CN202494449U - Standard centring device and engine test trolley - Google Patents
Standard centring device and engine test trolley Download PDFInfo
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- CN202494449U CN202494449U CN 201220101667 CN201220101667U CN202494449U CN 202494449 U CN202494449 U CN 202494449U CN 201220101667 CN201220101667 CN 201220101667 CN 201220101667 U CN201220101667 U CN 201220101667U CN 202494449 U CN202494449 U CN 202494449U
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- centralising device
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000004088 simulation Methods 0.000 claims description 65
- 238000011161 development Methods 0.000 description 4
- 238000011981 development test Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model provides a standard centring device and an engine test trolley. The standard centring device comprises a first simulated dynamometer machine, a second simulated dynamometer machine, a positioning retainer, a positioning connection plate and a positioning bottom plate, wherein the first simulated dynamometer machine is fixed on the standard centring device through a positioning pin and a bolt and defines a reference height; the second simulated dynamometer machine is connected with a bottom plate positioning pin of the standard centring device through the positioning pin, and the second simulated dynamometer machine can be disassembled from the standard centring device; a laser centring instrument is arranged between the first simulated dynamometer machine and the second simulated dynamometer machine; and the positioning connection plate is connected with the second simulated dynamometer machine and the positioning bottom plate.
Description
Technical field
The utility model relates to the engine development test, relates in particular to the right alignment of the axle system between engine and the dynamometer machine.
Background technology
The general automobile factory of current China, agricultural machinery factory, engine research engine rig test chamber type varied.In engine early development bench test, believe that a lot of auto vendors and engine producer all can run into various kinematic train problems, analyze its reason, most right alignmenies with kinematic train have relation.That is, the right alignment installation accuracy between engine and the dynamometer machine is not high, and engine pedestal consistance and interchangeability are relatively poor; And all be to carry out rotating shaft centering with ruler or dial gauge; Therefore, precision is generally lower, arrives this magnitude of 0.4mils (1/100mm) at 4mils (1/10mm) basically.This has all influenced the accuracy rate and the test efficiency of case study in the engine development process of the test greatly and has brought some other problems; For example; The fault of project completion in time, engine and measurement of power arbor system (for example takes place frequently; Damage of bearings, drive shafts fracture), high test cost, or the like.
The utility model content
For the problems such as (mainly showing as damage of bearings and drive shafts fracture) that solves that accuracy of alignment is low in the engine development test, test efficiency is poor and the fault of engine and measurement of power arbor system takes place frequently; It is a kind of in the engine development test that the utility model provides; Technical scheme to the accurate location of test-bed drive shaft system centering and engine test dolly; And obtained the checking of test, solved the difficult problem in the engine development test and promoted quality and the efficient of development experiments process greatly.
In one embodiment, the utility model provides a kind of standard centralising device, it is characterized in that, said standard centralising device comprises:
The first simulation dynamometer machine, the said first simulation dynamometer machine is through register pin and be bolted on the said standard centralising device and the definition datum height;
The second simulation dynamometer machine; The said second simulation dynamometer machine is connected with the base plate register pin of said standard centralising device through register pin; The said second simulation dynamometer machine can be from said centralising device dismounting, between said first simulation dynamometer machine and the said second simulation dynamometer machine laser alignment instrument is installed;
The location retainer, said location retainer connects said plate and the positioning plate of being located by connecting;
The plate that is located by connecting connects said second simulation dynamometer machine and the positioning plate; And
Said positioning plate.
Further, the said second simulation dynamometer machine is moved to breadboard at least one dynamometer machine place after simulating dynamometer machine centering through said laser alignment instrument and said first, is used for the centering benchmark as said at least one dynamometer machine.The said first simulation dynamometer machine is used for the centering benchmark as the engine test dolly.
In one embodiment; The utility model provides a kind of engine test dolly; It is characterized in that said engine test dolly bottom has the dowel hole of four band taper guiding, is positioned on the positioning plate of foregoing standard centralising device through four register pins; A scalable engine angle up and down also is housed, to be used to accomplish engine centering demand on the said engine test dolly.Wherein, said engine test dolly remains within the 0.1mm through the error of the right alignment of the simulation dynamometer machine of first in the foregoing standard centralising device and the second simulation dynamometer machine and breadboard at least one dynamometer machine.
According to the technical scheme of the utility model, the accuracy of alignment grade has risen to 0.004 (1/1000mm) from 0.4mils (1/10mm).In addition, engine test dolly of the utility model and standard centralising device have promoted the installation effectiveness of test, and simultaneously, the engine dolly can accurately be located, and between the different tests stand, can exchange and can keep high accuracy of alignment simultaneously.
Description of drawings
Fig. 1 illustrates the kinematic train in the engine rig test;
Fig. 2 illustrates the standard centralising device according to an embodiment of the utility model;
Fig. 3 is the centering benchmark that utilizes the standard centralising device of the utility model to be provided carries out centering to dynamometer machine a synoptic diagram;
Fig. 4 illustrates engine and on the test dolly, adjusts through the standard centralising device and the center of simulation dynamometer machine;
Fig. 5 is the centering benchmark that utilizes the standard centralising device of the utility model to be provided carries out centering to engine a synoptic diagram;
Fig. 6 A, Fig. 6 B, Fig. 6 C are respectively vertical view, front elevation and the right view according to the simulation dynamometer machine of an embodiment of the utility model;
Fig. 7 A and Fig. 7 B are the centering report of two test-bed engines of the technical scheme of employing the utility model; And
Fig. 8, Fig. 9, Figure 10 illustrate vertical view, front elevation and the right view of the coordinated scheme of little car bottom plate of engine test and stand base plate respectively.
Description of reference numerals
1 bent axle belt pulley
2 engines
3 double mass flywheels
4 clutch shaft bearing body assemblies
5 universal joints
6 second bearing body assemblies
7 dynamometer machines
21 first simulation dynamometer machines
22 second simulation dynamometer machines
23 location retainers
24 plates that are located by connecting
25 positioning plates
10 locating devices
20 dolly woollen goods base angles
The part of 30 engine dollies
40 stand base plates
50 locking devices
Embodiment
Engine early development bench test is very important.Fig. 1 shows the kinematic train in the engine rig test.This kinematic train comprises bent axle belt pulley 1, engine 2, double mass flywheel 3, clutch shaft bearing body assembly 4, universal joint 5, the second bearing body assembly 6, dynamometer machine 7 successively.What the utility model was related is the right alignment of the axle system between engine 2 and the dynamometer machine 7.The technical scheme of the utility model can be applicable to kinematic train shown in Figure 1.
Fig. 2 illustrates the standard centralising device according to an embodiment of the utility model.This standard centralising device is used to provide the centering standard of engine dolly and dynamometer machine.In one embodiment, this standard centralising device is a standard laser centering station.This standard centralising device comprises that the first simulation dynamometer machine 21, second is simulated dynamometer machine 22, location retainer 23, plate 24 and positioning plate 25 are located by connecting.
Wherein, the second simulation dynamometer machine 22, location retainer 23, be located by connecting plate 24 and positioning plate 25 connect mutually, form integral body.The plate 24 that is located by connecting connects the second simulation dynamometer machine 22 and positioning plate 25.Location retainer 23 is used to support and the localization criteria centralising device make it to become one can the whole integral body that moves, and make do not have relative displacement between each assembly of standard centralising device.Standard centralising device bottom is a massive plate, and this first simulation dynamometer machine 21 and the second simulation dynamometer machine 22 are installed on this flat board.The first simulation dynamometer machine 21 is through register pin and be bolted on the standard centralising device and the definition datum height.The second simulation dynamometer machine 22 is connected with the base plate register pin through register pin.Between the first simulation dynamometer machine 21 and the second simulation dynamometer machine 22, the laser alignment instrument that can be installed in the line following pattern is calibrated both centers.After calibration, can make register pin and remove the second simulation dynamometer machine 22, location retainer 23 and the plate 24 that is located by connecting.In one embodiment; The first simulation dynamometer machine 21 and second simulates that dynamometer machine 22 is highly in full accord can be exchanged; Error can be dismantled a plurality of dynamometer machine 1-n place of testing laboratory at any time at 0.001mm, is used for the change in location that dynamometer machine causes owing to reasons such as maintenance upgradings.In one embodiment, the output shaft of the first simulation dynamometer machine and the second simulation dynamometer machine can freely rotate, and two ends are furnished with bearing.
Fig. 3 is the centering benchmark that utilizes the standard centralising device of the utility model to be provided carries out centering to dynamometer machine a synoptic diagram.At first, the second simulation dynamometer machine 2 shown in Figure 3 has been accomplished the calibrate with the first simulation dynamometer machine 21 through standard centralising device shown in Figure 2.Then, the second simulation dynamometer machine 22 is used to calibrate dynamometer machine 1-n, makes these dynamometer machines and standard analog dynamometer machine 21 set up the position relation.Particularly, the second simulation dynamometer machine 22 is movable to testing laboratory, and at least one dynamometer machine on the breadboard test-bed, for example dynamometer machine 1, carries out calibrate and location.Equally, the second simulation dynamometer machine 22 also can carry out calibrate and location (for example, the dynamometer machine among Fig. 32 is to dynamometer machine n) to the dynamometer machine on other test-bed.Thus, the relation between standard centralising device and the stand is set up, makes the engine dolly between all stands, can exchange and guarantee the high-precision coaxial degree.
Fig. 4 illustrates engine calibration location through the standard centralising device and the first simulation dynamometer machine on the test dolly.Particularly, engine test dolly bottom has 4 circular dowel holes that have the taper guiding, accurately is positioned on the base plate through these 4 register pins.A throttleable motor angle up and down is housed, to be used to accomplish engine centering demand on the engine test dolly.Engine on the test dolly through laser alignment instrument up and down free adjustment realize the center adjustment with the first simulation dynamometer machine.
Fig. 5 is the centering benchmark that utilizes the standard centralising device of the utility model to be provided carries out centering to engine a synoptic diagram.After the engine dolly and the first simulation dynamometer machine calibration center; The engine dolly moves in the testing laboratory; Make an experiment with the dynamometer machine 1-n in the testing laboratory, wherein, these dynamometer machines 1-n can be the dynamometer machine 1-n after utilizing the scheme of Fig. 2 and Fig. 3 of the utility model to calibrate.The engine test dolly can arbitrarily switch to standard centralising device and any testing laboratory, and keeps the in full accord and error of right alignment within 0.1mm.
Through above-mentioned described mode, the standard centralising device of utilization makes engine dolly and all test-beds set up consistent centering relation, needs only complete accurate centering on the standard centralising device; The result is equally applicable to other any test-beds and between all test-beds; The engine test dolly can be realized exchanging, and need not centering again, thereby has not only improved accuracy of alignment; And improved test efficiency greatly, reduced the rate of breakdown of engine and measurement of power arbor system.
Fig. 6 A, Fig. 6 B, Fig. 6 C are vertical view, front elevation and the right view according to the simulation dynamometer machine of an embodiment of the utility model.Wherein, in the cylinder two bearing guards, fitted bearing is installed coaxial, and axle is no more than 0.1mm with the parallelism error of axis, bottom surface.In a preferred embodiment, the material of simulation dynamometer machine is a carbon steel, takes to imitate and handles.The first simulation dynamometer machine 21 and the second simulation dynamometer machine 22 all can adopt illustrated scenario.
Fig. 7 A and Fig. 7 B are the centering report of two test-bed engines of the technical scheme of employing the utility model.Can find out that from Fig. 7 A and Fig. 7 B engine is still very outstanding in entering test-bed result after standard centralising device centering, in time is the effect that the engine resiliency supported also can reach pure rigid support.
Fig. 8, Fig. 9, Figure 10 illustrate the coordinated scheme of little car bottom plate of engine test and stand base plate.Among the above-mentioned figure, conical surface guiding can accurately located and be with to the locating device 10 between engine and dolly and the stand base plate.The setting height(from bottom) at engine dolly woollen goods base angle 20 is between the part 30 and stand base plate 40 of engine dolly.When dolly is parked in dolly dismounting group, guarantee that the part 30 of engine dolly does not contact with ground, when engine gets into test-bed, can soar and not contact with ground in engine dolly woollen goods base angle 20.The part 30 of engine dolly has accurate dowel hole for the never corrosion resistant plate of distortion through special thermal treatment.Stand base plate 40 has accurate dowel plate for the never corrosion resistant plate of distortion that is installed in the process special thermal treatment on the test-bed.Reference numeral 50 among Fig. 9 is the locking devices after the engine dolly gets into stand.Certainly, above-mentioned design is merely a preferred embodiment of the utility model, and the utility model also only is not limited thereto embodiment.
In one embodiment, the utility model also provides the standard centering method of a kind of engine and dynamometer machine, comprising: the first simulation dynamometer machine and the second simulation dynamometer machine are provided; Said first simulation dynamometer machine and the said second simulation dynamometer machine are carried out calibrate; Utilize the simulation of second after centering dynamometer machine that at least one dynamometer machine is carried out calibrate and location; And utilize the said first simulation dynamometer machine after the centering that the engine test dolly is carried out calibrate and location.
Further; The calibrate step of the first simulation dynamometer machine and the second simulation dynamometer machine is carried out in the standard centralising device; After the calibrate of the first simulation dynamometer machine and the second simulation dynamometer machine; The second simulation dynamometer machine device is disassembled at least one the dynamometer machine place that moves in the laboratory, to be used for that at least one dynamometer machine is carried out calibrate and location.The centrally aligned step of the engine test dolly and the first simulation dynamometer machine is carried out in the standard centralising device.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.
Claims (6)
1. a standard centralising device is characterized in that, comprising:
The first simulation dynamometer machine, the said first simulation dynamometer machine is through register pin and be bolted on the said standard centralising device and the definition datum height;
The second simulation dynamometer machine; The said second simulation dynamometer machine is connected with the base plate register pin of said standard centralising device through register pin; The said second simulation dynamometer machine can be from said standard centralising device dismounting down, between said first simulation dynamometer machine and the said second simulation dynamometer machine laser alignment instrument is installed;
The location retainer, said location retainer connects said plate and the positioning plate of being located by connecting;
The plate that is located by connecting, the said plate that is located by connecting connect said second simulation dynamometer machine and the positioning plate; And
Said positioning plate.
2. standard centralising device as claimed in claim 1 is characterized in that, simulates the centering benchmark of dynamometer machine as said at least one dynamometer machine with said second after the said first simulation dynamometer machine centering.
3. standard centralising device as claimed in claim 1 is characterized in that, the said first simulation dynamometer machine is as the centering benchmark of engine test dolly.
4. standard centralising device as claimed in claim 1; It is characterized in that; The height error of said first simulation dynamometer machine and the said second simulation dynamometer machine is at 0.001mm, and is and interchangeable and detachable, and said first simulates the two ends that dynamometer machine and said second simulates dynamometer machine is furnished with bearing.
5. engine test dolly; It is characterized in that; Said engine test dolly bottom has the dowel hole of four band taper guiding; Be positioned on the positioning plate of standard centralising device as claimed in claim 1 through four register pins, a scalable engine angle up and down also is housed on the said engine test dolly.
6. engine test dolly as claimed in claim 5 is characterized in that the error of the right alignment of said engine test dolly and breadboard at least one dynamometer machine is within 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101667 CN202494449U (en) | 2012-03-16 | 2012-03-16 | Standard centring device and engine test trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101667 CN202494449U (en) | 2012-03-16 | 2012-03-16 | Standard centring device and engine test trolley |
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| Publication Number | Publication Date |
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| CN202494449U true CN202494449U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220101667 Expired - Lifetime CN202494449U (en) | 2012-03-16 | 2012-03-16 | Standard centring device and engine test trolley |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944425A (en) * | 2012-10-19 | 2013-02-27 | 凯迈(洛阳)机电有限公司 | Centering debug method of multiple racks and trays of engine test stand |
| CN103308036A (en) * | 2012-03-16 | 2013-09-18 | 上海大众汽车有限公司 | Standard centering device, engine test trolley and standard centering method |
| CN103925896A (en) * | 2014-05-02 | 2014-07-16 | 长安大学 | Skew bridge load test loading vehicle positioning system and method |
| CN106989927A (en) * | 2016-12-21 | 2017-07-28 | 中国燃气涡轮研究院 | A kind of engine based on suspension type ground test stand installs automatization process |
| CN111766071A (en) * | 2020-06-30 | 2020-10-13 | 东风商用车有限公司 | Pre-centering device and using method thereof |
-
2012
- 2012-03-16 CN CN 201220101667 patent/CN202494449U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308036A (en) * | 2012-03-16 | 2013-09-18 | 上海大众汽车有限公司 | Standard centering device, engine test trolley and standard centering method |
| CN103308036B (en) * | 2012-03-16 | 2015-06-17 | 上海大众汽车有限公司 | Standard centering device, engine test trolley and standard centering method |
| CN102944425A (en) * | 2012-10-19 | 2013-02-27 | 凯迈(洛阳)机电有限公司 | Centering debug method of multiple racks and trays of engine test stand |
| CN102944425B (en) * | 2012-10-19 | 2015-06-24 | 凯迈(洛阳)机电有限公司 | Centering debug method of multiple racks and trays of engine test stand |
| CN103925896A (en) * | 2014-05-02 | 2014-07-16 | 长安大学 | Skew bridge load test loading vehicle positioning system and method |
| CN103925896B (en) * | 2014-05-02 | 2017-01-04 | 长安大学 | Skew bridge loading test loads Vehicle positioning system and method |
| CN106989927A (en) * | 2016-12-21 | 2017-07-28 | 中国燃气涡轮研究院 | A kind of engine based on suspension type ground test stand installs automatization process |
| CN111766071A (en) * | 2020-06-30 | 2020-10-13 | 东风商用车有限公司 | Pre-centering device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20150617 |
|
| RGAV | Abandon patent right to avoid regrant |