CN201972738U - Star-spin rotating device with double sun wheels, engine and fluid machinery - Google Patents
Star-spin rotating device with double sun wheels, engine and fluid machinery Download PDFInfo
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- CN201972738U CN201972738U CN2011200720146U CN201120072014U CN201972738U CN 201972738 U CN201972738 U CN 201972738U CN 2011200720146 U CN2011200720146 U CN 2011200720146U CN 201120072014 U CN201120072014 U CN 201120072014U CN 201972738 U CN201972738 U CN 201972738U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
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Abstract
The utility model discloses a star-spin rotating device with double sun wheels, an engine and fluid machinery. The middle part of a main sun wheel is provided with a spin valve sheet sun wheel. When a spin valve sheet is in an expanding position, all or part of pressure is pressed on the spin valve sheet sun wheel. As the spin valve sheet sun wheel can be independent of the main sun wheel to rotate, the rotation of the main sun wheel is absorbed by a bearing between the spin valve sheet sun wheel and the main sun wheel, and therefore the spin valve sheet and the outer cylinder surface of the main sun wheel can not generate violent friction due to relative motion. The service life of the star-spin rotating device is prolonged, and the efficiency is increased.
Description
Technical field
The utility model relates to field such as motor and fluid machinery in the mechanical industry, relates in particular to a kind of star rotary slewing gear, motor and fluid machinery that has two sun gears.
Background technique
For engine art, mainly contain reciprocating piston type four stroke engine, rotary polygonal piston engine, gas turbine etc.In the compressor in fluid machinery and the traditional field of pump, mainly contain mechanical structures such as plunger type, blade type, gear type, screw type and eddy type.People constantly improve and innovate when using these mechanical structures.
Patent application (the number of patent application of being submitted on June 10th, 2010 the application's claimant: 201010196950.8), disclose a kind of star rotary fluid motor or motor and compressor and pump.Now be example, the basic structure of above-mentioned patent application star rotary slewing gear is described as prior art of the present utility model with the fluid motor.Fig. 1 is the schematic representation of the utility model prior art fluid motor texture edge section.As shown in Figure 1, star rotary fluid motor comprises: cylinder 1 that contains cylinder cavity and the main shaft 3 that is supported by the cylinder seal end cap 2 of cylinder both sides, prevent escape of liquid by seal ring 4 sealings between the cylinder seal end cap of cylinder and both sides, be provided with the planet wheel slewing gear that drives the main shaft rotation around main shaft, the cylinder surface is the circular surface around main shaft, be axially arranged with groove 5 on the cylinder surface along cylinder, stopcock sheet 6 is installed in the groove, stopcock sheet afterbody end is fixed on the cylinder seal end cap 2 of both sides by stopcock sheet support mandrel 7, can certainly be fixed on the cylinder 1, stopcock sheet support mandrel and cylinder longitudinal center line be arranged in parallel, stopcock sheet head end is an arc surface, the stopcock sheet is that the fan shape swing is done at the center along a vertical side of groove with stopcock sheet support mandrel 7, the contacts side surfaces of stopcock sheet arc surface and groove in the process of swing, groove floor is provided with through hole as power source inlet opening 1-1 to the cylinder outer surface, and the cylinder of stopcock sheet support mandrel one side is provided with through hole from the cylinder surface to the cylinder outer surface as power source exhaust port 1-2; The planet wheel slewing gear comprises: planet piston wheel 8, planet piston wheel fastening flange 9 and center sun gear cylinder 10; Planet piston wheel is cylinder roller (being called for short roller planet piston wheel in the utility model), roller planet piston wheel rotational fixation is on roller planet piston wheel fastening flange, roller planet piston wheel rolls by bearing 11 and is enclosed within on the supporting axle 12 among the embodiment, supporting axle 12 two ends and roller planet piston wheel fastening flange are connected and fixed, seal by seal ring 13 between roller planet piston wheel fastening flange and the cylinder, roller planet piston wheel fastening flange is connected and fixed by key 18 and main shaft, because roller planet piston wheel rotates drive planet piston wheel fastening flange and rotates, roller planet piston wheel fastening flange rotates the drive main shaft and rotates; Center sun gear cylinder entangles main shaft and is arranged between roller planet piston wheel and the main shaft, takes turns the annular piston space 19 of rotating at center sun gear outer cylinder face to forming roller planet piston between the inner cylinder face of cylinder like this.Main shaft bearing 14 is installed on the cylinder end covers at two sides 2, bearing protecgulum 15 and bearing bonnet 16 are sealed end covers at two sides, be inlaid with the motion O-ring seal 17 of an anti-escape of liquid on bearing protecgulum 15 endoporus that main shaft 3 runs through, cylinder end covers at two sides 2 is fastened on the cylinder 1 with screw.
Fluid motor for Fig. 1, its working procedure is as follows: one has the gas of pressure or liquid to inject the cylinder groove from the power source inlet opening of cylinder, it is that the fan shape swing is done at the center downwards along a side of groove with stopcock sheet support mandrel that gas or liquid promote the stopcock sheet, the head of stopcock sheet promotes planet piston wheel and rotates forward, there are the gas or the liquid of pressure to pour annular piston space continuation promotion planet piston wheel to forward position annular piston spatial rotation thereupon, rotating planet piston wheel extruding gas or liquid forward discharges from the power source exhaust port, and form gas or fluid pressure differential swinging to the adjacent pistons space that separates behind the sun gear cylinder of center downwards by the stopcock sheet, planet piston wheel in rotating process forward compressing stopcock sheet upwards swing reset and enter next oscillation cycle.
In the technological scheme of above-mentioned patent application, owing to adopted ring hydraulic pressure (air pressure) cylinder, utilized machine excircle space to greatest extent, not only the radius torque of exerting oneself greatly is big, and flow is big, and it is constant to exert oneself.In addition,,, improved sealing reliability, reduced energy consumption from having reduced the wearing and tearing of piston and cylinder in essence because main components and parts piston has adopted means of rolling.
In realizing process of the present utility model, the claimant recognizes that there is following technical problem in technique scheme: the star rotary slewing gear in the course of the work, the stopcock sheet will tightly be attached on the main sun gear when deployed position, because the relative movement between stopcock sheet and the main sun gear is very big, cause the friction between stopcock sheet and the main sun gear outer cylinder face very serious, not only cause the wearing and tearing of stopcock sheet and main sun gear, and have a strong impact on the efficient of star rotary slewing gear.
The model utility content
(1) technical problem that will solve
For addressing the aforementioned drawbacks, the utility model provides a kind of star rotary slewing gear, motor and fluid machinery that has two sun gears, to alleviate the wearing and tearing of stopcock sheet and main sun gear, improves the efficient of star rotary slewing gear.
(2) technological scheme
According to an aspect of the present utility model, provide a kind of star rotary slewing gear that has two sun gears.This star rotary slewing gear comprises: contain the cylinder of cylinder cavity and by the main shaft of the cylinder seal endcap support of cylinder both sides, there is the main sun gear of medial recess to be sheathed on the main shaft, stopcock sheet sun gear is sheathed on the medial recess place of main sun gear, main sun gear and stopcock sheet sun gear are coaxial, can relatively rotate between the two; The inner cylinder face looping piston space of the outer cylinder face of the outer cylinder face of main sun gear, stopcock sheet sun gear and cylinder, roller planet piston wheel places in the annular piston space with means of rolling; Annular piston space internal surface is provided with by first through hole and the extraneous groove that is connected, and annular piston space internal surface also is provided with and extraneous second through hole that is connected; Be provided with the stopcock sheet in the groove, the stopcock sheet is swung between operating position and deployed position by the stopcock sheet mandrel parallel with annular piston space longitudinal center line, when the stopcock sheet was in deployed position, the middle part on stopcock sheet top was pressed on the outer cylinder face of stopcock sheet sun gear.
Preferably, in the technical program star rotary slewing gear, the outer cylinder face of stopcock sheet sun gear is lower than the outer cylinder face of main sun gear.
Preferably, in the technical program star rotary slewing gear, when the stopcock sheet was positioned at deployed position, the both sides on stopcock sheet top did not contact with main sun gear, and the friction boundary face of the both sides on stopcock sheet top and main sun gear keeps the gap.
Preferably, in the technical program star rotary slewing gear, when the stopcock sheet was positioned at deployed position, the both sides on stopcock sheet top and the gap of main sun gear were between 0.02mm and 0.05mm.
Preferably, in the technical program star rotary slewing gear, the axial length of stopcock sheet sun gear accounts for 3/10 to 8/10 of main sun gear axial length.
Preferably, in the technical program star rotary slewing gear, the axial length of stopcock sheet sun gear accounts for 7/10 of main sun gear axial length.
Preferably, in the technical program star rotary slewing gear, when roller planet piston wheel rolled in the annular piston space, roller planet piston wheel both sides contacted with main sun gear; Roller planet piston wheel middle part does not contact with stopcock sheet sun gear, and the friction boundary face of roller planet piston wheel middle part and stopcock sheet sun gear keeps the gap.
Preferably, in the technical program star rotary slewing gear, stopcock sheet sun gear is located at the medial recess place of main sun gear by 2 stopcock sheet sun wheel shaft bearing sleeves.
According to another aspect of the present utility model, also provide a kind of star rotary motor.This star rotary motor comprises star rotary slewing gear above, and first through hole links to each other with the firing chamber of star rotary motor; Second through hole is connected with the exhaust port of star rotary motor; The stopcock sheet is taken turns the two ends that constitute a relative confined space with corresponding roller planet piston, and the pressure that the inflammable gas expansion is produced in the firing chamber promotes roller planet piston wheel and rolls in the annular piston passage, and roller planet piston is taken turns and driven the main shaft rotation.
According to another aspect of the present utility model, also provide a kind of star rotary fluid machinery.This star rotary fluid machinery comprises star rotary slewing gear above, and second through hole links to each other with the fluid input of star rotary fluid machinery; First through hole is connected with the fluid output of star rotary fluid machinery; The stopcock sheet is taken turns the two ends that constitute a relative confined space with corresponding roller planet piston, main shaft drives roller planet piston wheel rolls in the annular piston passage, suck fluid from second through hole, produce pressure at relative confined space convection cell it is discharged by first through hole and the extraneous groove that is connected.
(3) beneficial effect
The utility model has in star rotary slewing gear, motor and the fluid machinery of two sun gears, and stopcock sheet sun gear is set at the middle part of main sun gear, and when the stopcock sheet was positioned at deployed position, the stopcock sheet was pressed in part or all of pressure on the stopcock sheet sun gear.Because stopcock sheet sun gear can be independent of main sun gear rotation, the bearing that the rotation of main sun gear is set between stopcock sheet sun gear and the main sun gear absorbs, thereby avoided between stopcock sheet and the main sun gear outer cylinder face because the violent friction of caused by relative motion, improved the efficient of star rotary slewing gear.
Description of drawings
Fig. 1 is the schematic representation of the utility model prior art fluid motor texture edge section;
Fig. 2 has the structural representation of the star rotary slewing gear of two sun gears for the utility model embodiment;
Fig. 3 is the sectional drawing of star rotary slewing gear shown in Figure 2 at the A-A place;
Fig. 4 is the schematic representation of the relative position of stopcock sheet and stopcock sheet sun gear in the utility model embodiment star rotary slewing gear, main sun gear;
Fig. 5 is the schematic representation of roller planet piston wheel and the relative position of stopcock sheet sun gear, main sun gear in the utility model embodiment star rotary slewing gear;
Fig. 6 is the schematic representation of the utility model prior art star rotary slewing gear stopcock sheet resetting-mechanism;
Fig. 7 is the schematic representation of stopcock sheet location resetting-mechanism embodiment one in the utility model star rotary slewing gear;
Fig. 8 is the schematic representation of stopcock sheet location resetting-mechanism embodiment two in the utility model star rotary slewing gear.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer,, and, the utility model is further described with reference to accompanying drawing below in conjunction with specific embodiment.For clearly describing the utility model, understand for convenient, at first related primary component in the present specification is numbered explanation, as follows:
The 1-cylinder; 1-1 first through hole;
1-2 second through hole; 2-cylinder seal end cap;
The 3-main shaft; The 4-seal ring
The 5-groove; The vertical side of 5-1-
6-stopcock sheet; The last stopcock sheet of 6a-;
6b-backspin valve block; The 6-1-arc surface
7-stopcock sheet mandrel; 8-roller planet piston wheel;
8-1-roller planet piston is taken turns the rod of exerting oneself; 8-2-roller planet piston wheel fender pile;
9-roller planet piston wheel fastening flange; 10-center sun gear cylinder;
The 11-bearing; The 12-supporting axle;
The 13-seal ring; The 14-main shaft bearing;
15-bearing protecgulum endoporus; 16-bearing bonnet;
The 17-O-ring seal; The 18-key;
19-annular piston space; The 20-seal ring;
The 13-1-extension spring; The 13-2-crank;
19-annular piston space; 201-master's sun gear;
201 '-lock main sun gear; 202-stopcock sheet sun gear;
203-master's sun gear bearing; 204-stopcock sheet sun gear bearing;
The 701-fixing pin; The 702-Returnning spring;
The 703-bearing pin; The 704-crank;
The 706-positioning block; The 705-shock testing machine;
707-locatees buffer part; The 801-bent axle;
The 802-Returnning spring; 803-locatees buffer part;
804-engine assembly supporting plate.
Working principle about this star rotary slewing gear can be with reference to above-mentioned patent application document (number of patent application: 201010196950.8), the full content of above-mentioned patent application document is included present patent application in as a reference, and the difference that hereinafter is primarily aimed between the two describes.
In an exemplary embodiment of the present utility model, provide a kind of star rotary slewing gear that has two sun gears.Fig. 2 has the structural representation of the star rotary slewing gear of two sun gears for the utility model embodiment.Fig. 3 is the sectional drawing of star rotary slewing gear shown in Figure 2 at the A-A place.Compare with the star rotary slewing gear in Fig. 1 fluid motor, the similar of Fig. 2 and star rotary slewing gear shown in Figure 3, its difference is to be provided with stopcock sheet sun gear, and has revised the design of stopcock sheet.
As shown in Figures 2 and 3, the star rotary slewing gear comprises the cylinder 1 that contains cylinder cavity and the main shaft 3 that is supported by the cylinder seal end cap 2 of cylinder both sides.Have the main sun gear 201 of medial recess to be sheathed on the main shaft 3, stopcock sheet sun gear 202 is sheathed on the medial recess place of main sun gear 201, and main sun gear 201 and stopcock sheet sun gear 202 are coaxial, can rotate relatively freely between the two.The inner cylinder face looping piston space 19 of the outer cylinder face of the outer cylinder face of main sun gear 201, stopcock sheet sun gear 202 and cylinder 1, roller planet piston wheel 8 place in the annular piston space 19 with means of rolling.Annular piston space 19 internal surfaces are provided with by the first through hole 1-1 and the extraneous groove 5 that is connected, and annular piston space internal surface is provided with and the extraneous second through hole 1-2 that is connected.Be provided with stopcock sheet 6 in the groove, stopcock sheet 6 is swung between operating position and deployed position by the stopcock sheet mandrel 7 parallel with annular piston space longitudinal center line.When stopcock sheet 6 was positioned at deployed position, the middle part on stopcock sheet 6 tops was pressed on the outer cylinder face of stopcock sheet sun gear 202.For make main sun gear 201 can with respect to main shaft 3 (relative to) freely rotate, main sun gear 201 is sheathed on the main shaft 3 by 2 main sun gear bearings 203,2 main sun gear bearings 203 are separated by the depression on the main sun gear 201; For make stopcock sheet sun gear 202 can with respect to main sun gear 201 (relative to) freely rotate, stopcock sheet sun gear 202 is sheathed on the medial recess place of main sun gear 201 by 2 stopcock sheet sun gear bearings 204, and two stopcock sheet sun gear bearings lattice retaining by between the two separately; On the other end 001 of main sun gear 201, be fixed with the main sun gear 201 ' of locking with methods such as screw thread screw thread and pins, so that the inner ring of stopcock sheet sun gear bearing 204 is locked, and fixing stopcock sheet sun gear 202.Those of ordinary skill in the art is to be understood that: the part that to lock main sun gear 201 ' be main sun gear 201 in fact.Main sun gear 201 is divided into two-part, helps the assembling of stopcock sheet sun gear 202.
As shown in Figure 3, the star rotary slewing gear has two stopcock sheets, last stopcock sheet 6a and backspin valve block 6b.Roller planet piston wheel has three, is respectively 8a, 8b and 8c.Each roller planet piston wheel is except that main body, can also comprise exert oneself excellent 8-1 and fender pile 8-2, wherein, the rod of exerting oneself is used to increase the power that roller planet piston wheel backs down the stopcock sheet, and fender pile when being used to cushion the stopcock sheet and getting back to deployed position to the impact force of sun gear.
In the present embodiment, the meaning that the stopcock sheet is swung between operating position and deployed position is: the stopcock sheet can be positioned at the operating position of above-mentioned groove or be pressed in the deployed position of stopcock sheet sun gear, or the arbitrary position between operating position and the deployed position.And first (two) the above-mentioned through hole can be a through hole, also can be one group of (a plurality of) through hole, and its major function is common as carrying out the path that matter energy exchanges with the external world.
In the present embodiment, have need explanation at 2: 1) the outer cylinder face diameter of the outer cylinder face diameter of stopcock sheet sun gear and main sun gear should be roughly the same, and the outer cylinder face diameter of stopcock sheet sun gear should be slightly less than the outer cylinder face diameter of main sun gear, and the common formation of stopcock sheet sun gear and main sun gear one middle part has the cylndrical surface of depression slightly; 2) be positioned at deployed position when the stopcock sheet, when its top middle portion is pressed on the stopcock sheet sun gear, constitute relative airtight space between stopcock sheet and the roller planet piston wheel with other positions, annular piston space.For above-mentioned 2 points, in following preferred embodiment, also have illustrated.
Explanation according to the foregoing description, when the stopcock sheet is subjected to the pulling force of Returnning spring or is subjected under the situation of immense pressure, especially the inflammable gas of engine chamber does work or is subjected under the situation of high pressure fluid, when the stopcock sheet opens to deployed position, is pressed on the stopcock sheet sun gear.Under above-mentioned pressure, roller planet piston is taken turns along the annular piston spatial motion, its with main sun gear between the frictional force that contacts impel main sun gear high speed rotating.Because stopcock sheet sun gear is can be relative free-moving with main sun gear, the stopcock sheet is pressed in part (or all) pressure on the stopcock sheet sun gear that rotates freely, the high speed rotating of main sun gear is absorbed by the bearing between main sun gear and the stopcock sheet sun gear, therefore, stopcock sheet sun gear can't rotate with the high speed rotating of main sun gear, thereby has avoided the violent friction that relative movement produced between stopcock sheet and the main sun gear.
For achieving the above object, those of ordinary skill in the art should take all factors into consideration under concrete application, the stopcock sheet is taken turns formed relative confined space size with roller planet piston, is reduced factors such as roller planet piston wheel drag, the diameter Relationship of stopcock sheet sun gear and main sun gear rationally is set, and the shape of stopcock sheet.Preferably, can take as the structure in Fig. 4 star rotary slewing gear, the outer cylinder face of stopcock sheet sun gear is a little less than the outer cylinder face of main sun gear, and the middle part on stopcock sheet top is a little more than the both sides on stopcock sheet top.
Fig. 4 is the schematic representation of the relative position of stopcock sheet and stopcock sheet sun gear in the utility model embodiment star rotary slewing gear, main sun gear.As shown in Figure 4, in defined deployed position above, the both sides on stopcock sheet top do not contact with main sun gear, have clearance delta 1 between the two.Because the both sides on stopcock sheet top do not contact with main sun gear, so both not frictions, abrasion deformation do not had yet.Therefore, the precision of the both sides on stopcock sheet top and the assembling of main sun gear is set Δ 1 and is in a single day finished, and can think constant.That is to say that need consider the size of Δ 1 in the initial loading timing, the order of magnitude of the big or small measure of precision of Δ 1 need reach ± 0.001mm.
The value of Δ 1 need be considered following factor: guarantee that 1) frictional force between stopcock both sides, sheet top and the main sun gear is as far as possible little, 2) operation material or the energy minimum of assurance from revealing between stopcock sheet and the main sun gear; 3) help the assembling of star rotary slewing gear.In the utility model star rotary slewing gear, Δ 1 is got between 0.02mm～0.05mm.If Δ 1 less than 0.02mm, then owing to the assembly error or the wear error of stopcock sheet sun gear bearing, may cause the both sides and the mutual friction mutually of main sun gear on stopcock sheet top, thereby can not reach the effect that alleviates frictional force.And if Δ 1 then may cause the leakage of operation material greater than 0.05mm, influence the working efficiency of star rotary slewing gear.
Hereinafter, will carry out labor to the span of Δ 1.According to the relevant knowledge of friction, show certainly to constitute by pollution layer, adsorption layer, oxide layer and work hardening layer successively inwards through the workpiece surface of machining, general designation friction boundary face, the physical property difference of each layer, its thickness is also inequality.The reasonable size of Δ 1 should be, distance of main sun gear outer cylinder face must be left in the top of stopcock sheet, and promptly stopcock sheet top does not contact the friction boundary face of sun gear.Δ 1 is more little, the sealing of cylinder is just good more, the section on stopcock sheet top is poor (because the point of contact of stopcock sheet top and stopcock sheet sun gear is to the distance of stopcock sheet mandrel central point unsettled critical distance that arrives stopcock sheet mandrel central point greater than stopcock sheet top 04 and main sun gear in theory, formed low stepped in intermediate projections both sides on stopcock sheet top 04, the height difference Δ 1 of ladder, the section that is called ladder in processing site custom is poor) Δ 1 can do very little, even allow slight sliding friction until the natural running-in of engineering.
As everyone knows, engineering bound pair friction border Study of Interface is also among deeply carrying out.In general, at friction boundary face owing to there is contact pressure, just can produce sliding friction, wanting does not have sliding friction, the friction boundary face of just essential two relevant kinematic pairs keeps a rational distance, from the angle analysis of microcosmic, the solid part that this distance should guarantee the two is that surface oxide layer disengages and gets final product.But, because the degree of finish of body surface processing is different, the speed of relative motion of object and precision (vibration and flatness) are different, and even the lubricating condition of body surface, ambient temperature, material property structure etc. are different, and the design of this distance, delta 1 still is a more complicated.Gap between stopcock sheet and the main sun gear, directly be subjected to the influence of the radially runout of the rolling bearing of standard sun gear motion and main shaft bearing 14, Δ 1 is got between 0.02mm～0.05mm, and purpose will be eliminated this influence exactly, is that surface oxide layer disengages with the solid part that guarantees the two.
In the employing precision bearing of the first kind model designed, star rotary motor, Δ 1 is set gets 0.02mm than lower temperature low-load according to the utility model.Simulation test proves: this Δ 1 value can satisfy the needs of assembling; And guaranteed the relative sealing in annular piston space between stopcock sheet and the respective pistons wheel, do not had tangible operation material leakage phenomenon; With respect to the star rotary motor that does not adopt two sun gear designs, thoroughly eliminated sliding friction between stopcock sheet and the sun gear.At the employing precision bearing of the second kind model designed according to the utility model, have in the star rotary motor of general thermal distortion pressure load, Δ 1 is set gets 0.04mm.Simulation test proves: the expected design that this Δ 1 value can reach fully.Adopt precision bearing, have in the star rotary motor of higher thermal rock deformation pressure load in the third model designed, Δ 1 is set gets 0.05mm according to the utility model.Simulation test proves: this bigger Δ 1 value can reach expected design.
Fig. 5 is the schematic representation of roller planet piston wheel and the relative position of stopcock sheet sun gear, main sun gear in the utility model embodiment star rotary slewing gear.As shown in Figure 5, the cylndrical surface, both sides of roller planet piston wheel contacts with main sun gear, and the central part cylndrical surface does not contact with the outer cylinder face of stopcock sheet sun gear, and its gap is a Δ 2.Because roller planet piston wheel rolls with main sun gear and contacts, friction between the two is very little, does not have abrasion deformation substantially.Therefore, in a single day roller planet piston wheel is finished with the assembly precision of stopcock sheet sun gear, can think that Δ 2 is constant.The reasonable size of Δ 2 should be, the periphery of roller planet piston wheel must leave distance of stopcock sheet sun gear, only otherwise the friction boundary face of contact stopcock sheet sun gear gets final product.Δ 2 is more little, and the sealing of cylinder is just good more, in theory the semidiameter Δ 2 of two sun gears can do very little, but this is just to be determined when deciding Δ 1 on chip the setting of aforementioned stopcock.
From the description of the utility model the foregoing description as can be known, the middle part on stopcock sheet top (corresponding stopcock sheet sun gear) is the axial length of whole stopcock sheet with both sides (corresponding main sun gear is removed the part of stopcock sheet sun gear) axial length sum.Below will the axial length of stopcock sheet sun gear be described.As shown in Figure 5, in the present embodiment, the axial length (L1) of stopcock sheet sun gear accounts for 3/10 to 8/10 of the whole axial length of main sun gear (L1+2L2), that is to say that the axial length that is pressed in the stopcock sheet top middle portion on the stopcock sheet sun gear accounts for 3/10 to 8/10 of the axial length of whole stopcock sheet.
If the axial length of stopcock sheet sun gear accounts for the ratio of the whole axial length of main sun gear less than 3/10, then will reduce of the supporting effect of stopcock sheet sun gear greatly to the stopcock sheet; And if the axial length of stopcock sheet sun gear accounts for the ratio of the whole axial length of main sun gear greater than 8/10, then will have influence on the reliability of a whole set of star rotary slewing gear.Take all factors into consideration various factors, the requisite space installed of member particularly, it is rational setting that the axial length (L1) of stopcock sheet sun gear accounts for 3/10 to 8/10 of the whole axial length of main sun gear (L1+2L2).
In the star rotary motor of the first kind model designed according to the utility model, the ratio that the axial length that stopcock sheet sun gear is set accounts for the whole axial length of main sun gear is 3/10.Simulation test proves: this value can satisfy the needs of assembling; And guaranteed the relative sealing in annular piston space between stopcock sheet and the respective pistons wheel, do not had tangible operation material leakage phenomenon.In the star rotary motor of the second kind model designed according to the utility model, the ratio that the axial length that stopcock sheet sun gear is set accounts for the whole axial length of main sun gear is 7/10.Simulation test proves: this value reaches expected design fully.In the star rotary motor of the third model designed according to the utility model, the ratio that the axial length that stopcock sheet sun gear is set accounts for the whole axial length of main sun gear is 8/10.Simulation test proves: this value can reach expected design fully.
According to another aspect of the present utility model, also the positioning means that resets of stopcock sheet in the star rotary slewing gear is improved.At patent application that background technique is mentioned (number of patent application: in the technological scheme 201010196950.8), disclose a kind of stopcock sheet resetting structure.Fig. 6 is the schematic representation of stopcock sheet resetting means in the utility model prior art star rotary slewing gear.This stopcock sheet resetting means is extension spring 13-1.Extension spring 13-1 one end is locked on the stopcock sheet support mandrel 7 by crank 13-2, and the other end of extension spring is fixed on the cylinder body.But this structure can be brought some problems.Because the tension of extension spring, the stopcock sheet tends to heavy beating on the sun gear outer cylinder face of center, thereby influences the reliability of a whole set of star rotary slewing gear when getting back to the position of close center sun gear outer cylinder face.In addition, the stopcock sheet is tightly pushed down sun gear outer cylinder face, also can cause the frictional force between stopcock sheet and the sun gear outer cylinder face to strengthen, and influences the efficient of a whole set of star rotary slewing gear.
Fig. 7 is the utility model star rotary slewing gear stopcock sheet location resetting-mechanism embodiment one a schematic representation.As shown in Figure 7, stopcock sheet location resetting-mechanism comprises: crank 704, Returnning spring 702 and location buffer part 707.Crank 704 is vertical with stopcock sheet mandrel, and crank middle part and stopcock label shaft extension go out the axial end portion locking outside the cylinder seal end cap in annular piston space, thereby the rotation of stopcock sheet in the annular piston space is passed to outside, annular piston space.One end of Returnning spring 702 is fixed in cylinder body by fixing pin 701, and the other end of Returnning spring 702 is connected with the bearing pin 703 of the bottom of crank, and this Returnning spring produces pulling force stopcock sheet that resets and is positioned at deployed position.Location buffer part 7 is fixed on the cylinder body, and the shock testing machine 707 on the positioning block 706 of one end is connected to the bent axle top of stopcock sheet correspondence when being positioned at deployed position.When being positioned at deployed position, this location buffer part 707 location stopcock sheets push down the transition point of center sun gear, buffering be used to the to reset pulling force of stopcock sheet.Buffer 709 is fixed on the crank positioning table by locking nut 8, has electronic position sensor above the buffer 709.This electronic position sensor sends the high-pressure oil gas injection signal when receiving that the stopcock sheet is positioned at relevant position.
Fig. 8 is the utility model star rotary slewing gear stopcock sheet location resetting-mechanism embodiment two a schematic representation.As shown in Figure 8, stopcock sheet location resetting-mechanism comprises: bent axle 801, Returnning spring 802 and location buffer part 803.Crank 801 is vertical with stopcock sheet mandrel, and one end and stopcock label shaft extension go out the axial end portion locking outside the cylinder seal end cap in annular piston space, and the rotation of stopcock sheet in the annular piston space is passed to outside, annular piston space; Returnning spring 802, the one end is fixed in cylinder body, and its other end links to each other with the middle part of crank, and this Returnning spring 802 produces pulling force stopcock sheet that resets and is positioned at deployed position; Location buffer part 803, be fixed on the engine assembly supporting plate 804, its positioning end is connected to the other end of stopcock sheet bent axle 801 of correspondence when being positioned at deployed position, when being positioned at deployed position, this location buffer part 803 location stopcock sheets push down the transition point of center sun gear, buffering be used to the to reset pulling force of stopcock sheet.Wherein, the top nut of location buffer part 803 can be regulated height, with the position of fine adjustment stopcock sheet.In addition, locating point is to the distance L 2 of the stopcock sheet fulcrum length greater than stopcock sheet itself, thereby can adjust the gap of stopcock sheet head and sun gear more accurately.
In each embodiment's of the utility model the star rotary slewing gear, annular piston space internal surface is provided with N groove and N second through hole that is connected with fluid output or fluid input; N groove is connected with fluid input or fluid output by first through hole respectively; Be provided with N+1 roller planet piston wheel in the circular cylinder; N is more than or equal to 2, between per two first through holes and the angle between per two second through holes be 360 °/N.Preferably, N=2.
In addition, among each embodiment of the utility model, the manufactured materials of star rotary slewing gear should be selected heat-resistance high-strength degree alloy such as alloy cast iron, nico, high tensile aluminium alloy, engineering ceramics etc. for use.Then adopt wear resistant alloy material and various bearing at the rotary part that friction is arranged, general place adopts common iron or die casting aluminium.Specifically, the inner cylinder face of the inner cylinder face of main sun gear and outer cylinder face, stopcock sheet sun gear and outer cylinder face preferably adopt the wear resistant alloy material preparation.
According to another aspect of the present utility model, also provide a kind of star rotary motor.This star rotary motor comprises star rotary slewing gear above.For this star rotary slewing gear, first through hole links to each other with the firing chamber of star rotary motor; Second through hole is connected with the exhaust port of star rotary motor.The stopcock sheet is taken turns the two ends that constitute a relative confined space with corresponding roller planet piston, and the pressure that the inflammable gas expansion is produced in the firing chamber promotes roller planet piston wheel and rolls in the annular piston passage, and roller planet piston is taken turns and driven the main shaft rotation.
According to another aspect of the present utility model, also provide a kind of star rotary fluid machinery.This star rotary fluid machinery comprises star rotary slewing gear above.Second through hole links to each other with the fluid input of star rotary fluid machinery; First through hole is connected with the fluid output of star rotary fluid machinery.The stopcock sheet is when this deployed position, and the stopcock sheet is pressed on the stopcock sheet sun gear.The stopcock sheet is taken turns the two ends that constitute a relative confined space with corresponding roller planet piston, main shaft drives roller planet piston wheel rolls in the annular piston passage, suck fluid from second through hole, produce pressure at relative confined space convection cell it is discharged by first through hole and the extraneous groove that is connected.This star rotary fluid machinery can be pump or compressor.
In sum, the utility model has in star rotary slewing gear, motor and the fluid machinery of two sun gears, and stopcock sheet sun gear is set at the middle part of main sun gear, when the stopcock sheet is positioned at deployed position, all or part of pressure is pressed on the stopcock sheet sun gear.Because stopcock sheet sun gear can be independent of main sun gear rotation, the bearing that the rotation of main sun gear is set between stopcock sheet sun gear and the main sun gear absorbs, avoided between stopcock sheet and the main sun gear outer cylinder face because the violent friction of caused by relative motion, thereby improved the working life and the efficient of star rotary slewing gear.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (18)
1. star rotary slewing gear that has two sun gears, it is characterized in that, this star rotary slewing gear comprises: contain the cylinder of cylinder cavity and by the main shaft of the cylinder seal endcap support of described cylinder both sides, there is the main sun gear of medial recess to be sheathed on the described main shaft, stopcock sheet sun gear is sheathed on the described medial recess place of described main sun gear, described main sun gear and described stopcock sheet sun gear are coaxial, can relatively rotate between the two;
The inner cylinder face looping piston space of the outer cylinder face of the outer cylinder face of described main sun gear, described stopcock sheet sun gear and described cylinder, roller planet piston wheel places in the described annular piston space with means of rolling;
Described annular piston space internal surface is provided with by first through hole and the extraneous groove that is connected, and described annular piston space internal surface also is provided with and extraneous second through hole that is connected;
Be provided with the stopcock sheet in the described groove, described stopcock sheet is swung between operating position and deployed position by the stopcock sheet mandrel parallel with described annular piston space longitudinal center line, when described stopcock sheet was in described deployed position, the middle part on described stopcock sheet top was pressed on the outer cylinder face of described stopcock sheet sun gear.
2. star rotary slewing gear according to claim 1 is characterized in that: the outer cylinder face of described stopcock sheet sun gear is lower than the outer cylinder face of described main sun gear.
3. star rotary slewing gear according to claim 2, it is characterized in that: when described stopcock sheet is positioned at deployed position, the both sides on described stopcock sheet top do not contact with described main sun gear, and the both sides on described stopcock sheet top and the friction boundary face of described main sun gear keep the gap.
4. star rotary slewing gear according to claim 3 is characterized in that: when described stopcock sheet was positioned at deployed position, the both sides on described stopcock sheet top and the gap of described main sun gear were between 0.02mm and 0.05mm.
5. star rotary slewing gear according to claim 1 is characterized in that: the axial length of described stopcock sheet sun gear accounts for 3/10 to 8/10 of described main sun gear axial length.
6. star rotary slewing gear according to claim 5 is characterized in that: the axial length of described stopcock sheet sun gear accounts for 7/10 of described main sun gear axial length.
7. star rotary slewing gear according to claim 1 is characterized in that: when described roller planet piston wheel rolled in described annular piston space, roller planet piston wheel both sides contacted with described main sun gear; Roller planet piston wheel middle part does not contact with described stopcock sheet sun gear, and the friction boundary face of described roller planet piston wheel middle part and described stopcock sheet sun gear keeps the gap.
8. star rotary slewing gear according to claim 7 is characterized in that: described roller planet piston wheel middle part and described stopcock sheet sun gear gap are between 0.03mm and 0.07mm.
9. according to each described star rotary slewing gear in the claim 1 to 8, it is characterized in that, this star rotary slewing gear also comprises first stopcock sheet location resetting-mechanism, and described first stopcock sheet location resetting-mechanism comprises: crank, reset portion and location buffer part;
Described crank is vertical with described stopcock sheet mandrel, and crank middle part and described stopcock label shaft extension go out the axial end portion locking outside the cylinder seal end cap in described annular piston space;
Reset portion is a Returnning spring, and the Returnning spring fixed end is fixed in described cylinder, and Returnning spring stretches to hold and links to each other with the bottom reset terminal of described crank;
The location buffer part is fixed on the described cylinder, and location buffer part positioning end is connected to the top positioning end of described stopcock sheet pairing described bent axle when being positioned at deployed position.
10. according to each described star rotary slewing gear in the claim 1 to 8, it is characterized in that, this star rotary slewing gear also comprises second stopcock sheet location resetting-mechanism, and described second stopcock sheet location resetting-mechanism comprises: bent axle, reset portion and location buffer part;
Described bent axle is vertical with described stopcock sheet mandrel, and bent axle locking end and described stopcock label shaft extension go out the axial end portion locking outside the cylinder seal end cap in described annular piston space;
Reset portion is a Returnning spring, and the Returnning spring fixed end is fixed in described cylinder, and Returnning spring stretches to hold and links to each other with the middle part reset terminal of described bent axle;
The location buffer part is fixed on the described cylinder, and location buffer part positioning end is connected to the positioning end of described stopcock sheet pairing described bent axle when being positioned at deployed position.
11. star rotary slewing gear according to claim 10 is characterized in that, the length of described bent axle greater than described stopcock sheet perpendicular to the axial length of described stopcock label.
12. star rotary slewing gear according to claim 10 is characterized in that, the orientation distance can regulate of described location buffer part positioning end.
13. according to each described star rotary slewing gear in the claim 1 to 8, it is characterized in that: described stopcock sheet sun gear is located at the described medial recess place of described main sun gear by 2 stopcock sheet sun wheel shaft bearing sleeves.
14., it is characterized in that according to each described star rotary slewing gear in the claim 1 to 8:
Described annular piston space internal surface is provided with N described groove and N described second through hole that is connected with fluid output or fluid input; A described N groove is connected with fluid input or fluid output by first through hole respectively;
Be provided with N+1 described roller planet piston wheel in the described circular cylinder;
Described N is greater than or equal to 2, between per two described first through holes and the angle between per two described second through holes be 360 °/N.
15. star rotary slewing gear according to claim 14 is characterized in that, N is 2.
16. a star rotary motor is characterized in that, this star rotary motor comprises each described star rotary slewing gear among the claim 1-15,
Described first through hole links to each other with the firing chamber of described star rotary motor; Described second through hole is connected with the exhaust port of described star rotary motor;
Described stopcock sheet is taken turns the two ends that constitute a relative confined space with corresponding roller planet piston, the pressure that the inflammable gas expansion is produced in the described firing chamber promotes described roller planet piston wheel and rolls in described annular piston passage, and described roller planet piston wheel drives described main shaft and rotates.
17. a star rotary fluid machinery is characterized in that, this star rotary fluid machinery comprises each described star rotary slewing gear among the claim 1-15,
Described second through hole links to each other with the fluid input of described star rotary fluid machinery; Described first through hole is connected with the fluid output of described star rotary fluid machinery;
Described stopcock sheet is taken turns the two ends that constitute a relative confined space with corresponding roller planet piston, the described roller planet of described main shaft drives piston wheel rolls in described annular piston passage, suck fluid from described second through hole, produce pressure at described relative confined space convection cell it is discharged with the extraneous groove that is connected by described first through hole.
18. star rotary fluid machinery according to claim 17 is characterized in that, this star rotary fluid machinery is pump or compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200720146U CN201972738U (en) | 2011-03-17 | 2011-03-17 | Star-spin rotating device with double sun wheels, engine and fluid machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200720146U CN201972738U (en) | 2011-03-17 | 2011-03-17 | Star-spin rotating device with double sun wheels, engine and fluid machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972738U true CN201972738U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200720146U Expired - Lifetime CN201972738U (en) | 2011-03-17 | 2011-03-17 | Star-spin rotating device with double sun wheels, engine and fluid machinery |
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| Country | Link |
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| CN (1) | CN201972738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678182A (en) * | 2011-03-17 | 2012-09-19 | 北京星旋世纪科技有限公司 | Star-spinning type rotation device with double sun wheels, engine and fluid machine |
| CN103422981A (en) * | 2012-05-21 | 2013-12-04 | 北京星旋世纪科技有限公司 | Star rotary type fluid machine and engine and fluid motor applied to same |
| CN104612963A (en) * | 2014-12-15 | 2015-05-13 | 姚镇 | Rotating device suitable for high pressure scene and mechanical device using rotating device |
-
2011
- 2011-03-17 CN CN2011200720146U patent/CN201972738U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678182A (en) * | 2011-03-17 | 2012-09-19 | 北京星旋世纪科技有限公司 | Star-spinning type rotation device with double sun wheels, engine and fluid machine |
| CN102678182B (en) * | 2011-03-17 | 2013-12-18 | 北京星旋世纪科技有限公司 | Star-spinning type rotation device with double sun wheels, engine and fluid machine |
| CN103422981A (en) * | 2012-05-21 | 2013-12-04 | 北京星旋世纪科技有限公司 | Star rotary type fluid machine and engine and fluid motor applied to same |
| CN103422981B (en) * | 2012-05-21 | 2016-03-23 | 北京星旋世纪科技有限公司 | The motor of star rotary fluid machinery and application thereof and fluid motor |
| CN104612963A (en) * | 2014-12-15 | 2015-05-13 | 姚镇 | Rotating device suitable for high pressure scene and mechanical device using rotating device |
| CN104612963B (en) * | 2014-12-15 | 2017-01-18 | 姚镇 | Rotating device suitable for high pressure scene and mechanical device using rotating device |
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Owner name: BEIJING XINGXUAN CENTURY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YAO ZHEN Effective date: 20120313 |
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Free format text: CORRECT: ADDRESS; FROM: 100176 DAXING, BEIJING TO: 100176 CHAOYANG, BEIJING |
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Effective date of registration: 20120313 Address after: The 100176 Beijing Economic Development Zone, Tongji Road No. 18 Hengye Jintian Industrial Park No. 3 workshop on the northeast side of the 1-2 layer Patentee after: Beijing Xingxuan Century Technology Co., Ltd. Address before: 100176, room 709, building A, Jizhong building, 16 Ronghua Road South, Beijing economic and Technological Development Zone, Beijing, Daxing District Patentee before: Yao Zhen |
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