CN112360902A - Full-disc brake and floating disc force transmission mechanism thereof - Google Patents
Full-disc brake and floating disc force transmission mechanism thereof Download PDFInfo
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- CN112360902A CN112360902A CN202011182352.5A CN202011182352A CN112360902A CN 112360902 A CN112360902 A CN 112360902A CN 202011182352 A CN202011182352 A CN 202011182352A CN 112360902 A CN112360902 A CN 112360902A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 130
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 241001417523 Plesiopidae Species 0.000 claims description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/128—Discs; Drums for disc brakes characterised by means for cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/1332—Structure external ribs, e.g. for cooling or reinforcement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a full-disc brake and a floating disc force transmission mechanism thereof, which comprise a brake disc and a transmission ring used for connecting the brake disc to a hub; the conveying ring comprises a flange connecting ring used for being connected with the hub and a plurality of conveying columns which extend outwards from one side end face of the flange connecting ring and are distributed at intervals; the inner ring structure of the brake disc is a force transmission part, the force transmission part is provided with a plurality of force transmission holes distributed at intervals, and the shape of each force transmission hole is the same as that of the transmission column; wherein, each biography power hole of brake disc is installed on each transmission post of transfer ring, and the length of transmission post is greater than the thickness of brake disc to make the brake disc keep synchronous rotation and the brake disc can be at the axial slip on the transfer ring with the transmission ring. The floating disc force transmission mechanism of the full disc brake adopts the transmission ring to be connected with the brake disc, a special hub is not used, and a general hub of a common floating caliper type brake can be used, so that the universality and interchangeability of the full disc brake are greatly enhanced, and the use scene of the brake with the floating disc structure is enlarged.
Description
Technical Field
The invention relates to the field of vehicle brakes, in particular to a full-disc brake and a floating disc force transmission mechanism thereof.
Background
The rotating element in a friction pair of a disc brake is a metal disc working with end faces, called a brake disc. The friction elements grip the brake disc from both sides to produce braking. The fixing elements have various structural forms, and can generally divide the disc brake into a caliper disc type and a full disc type.
The disc brake may be classified into a floating disc brake and a floating caliper brake, in which the brake disc slides with respect to the hub and the caliper body slides.
In general, the caliper body of a floating caliper brake can move axially, but the brake disc is fixed to the hub and cannot slide in the direction of the axle relative to the hub. The floating caliper type brake generally adopts a hub which is commonly used in the industry, as shown in fig. 7, one side of a brake disc is directly fixedly connected through a bolt, and the connection mode has many defects, for example, the single-side stress of the brake disc is too large, and the phenomenon of early cracking of the outer side is easy to occur.
In general, a caliper body of a floating disc brake is fixed, and a brake disc slides in an axle direction with respect to a hub through a guide structure (guide groove), but rotates together with the hub in a circumferential direction, thereby transmitting a braking force. In general, a hub of a floating disc brake requires a special design, and as shown in fig. 8, a guide groove for sliding a brake disc is designed on the hub. The brake disc is direct to be connected with wheel hub, directly leads to wheel hub temperature to rise fast easily, and wheel hub bearing seals oil leak and bearing damage etc.. Greatly reducing the safety and the service life of the hub.
Most of the disc brakes in the prior art are floating caliper type brakes, and floating disc type structure brakes are generally used for full disc type brakes. Since the market share of the floating disc type structure brake (full disc type brake) is small, the floating disc type structure in the prior art needs to use a special hub. For example, some special hubs adopting a floating disc type structure have guide grooves on the side surface, so that the design of the floating disc hub and the floating caliper type hub cannot be commonly used. The universality of the floating disc type structure is not strong due to the special hub, and the hubs can not be interchanged, so that the application scenes of the brake with the floating disc type structure are fewer.
Disclosure of Invention
In view of the above, embodiments of the present invention provide an all-disc brake and a floating disc force transmission mechanism thereof, so as to obviate or mitigate one or more of the disadvantages of the prior art.
The technical scheme of the invention is as follows:
a floating disc force transfer mechanism of an all-disc brake, the floating disc force transfer mechanism comprising a brake disc and a transfer ring for connecting the brake disc to a wheel hub; the transmission ring comprises a flange connecting ring used for being connected with the hub and a plurality of transmission columns which extend outwards from one side end face of the flange connecting ring and are distributed at intervals. The inner ring structure of the brake disc is a force transmission part, the force transmission part is provided with a plurality of force transmission holes distributed at intervals, and the shape of each force transmission hole is the same as that of the transmission column; the transmission holes of the brake disc are arranged on the transmission columns of the transmission ring, and the length of each transmission column is larger than the thickness of the brake disc, so that the brake disc and the transmission ring rotate synchronously and the brake disc can axially slide on the transmission ring.
In some embodiments, the inner circumferential surface of the flange connecting ring is provided with a spigot for connecting with a hub, the flange portion of the flange connecting ring is provided with a connecting hole for connecting with the hub, and the spigot and the connecting hole of the flange connecting ring are designed to be matched with the connecting structure of the universal hub.
In some embodiments, the transfer posts are connected to the flange connection ring at locations having root ribs connecting the inner peripheral surfaces of the transfer posts, and the transfer posts are connected to the flange connection ring at top locations remote from the flange connection ring at top ribs connecting the inner peripheral surfaces of the transfer posts.
In some embodiments, the transfer ring has a vent between the root bead and the top bead.
In some embodiments, the respective connection holes of the flange connection ring of the transfer ring are arranged coaxially with the respective transfer studs, each of the transfer studs also having a lightening hole communicating with the connection hole.
In some embodiments, the flange connection ring is integrally formed with the transfer column, and the transfer column has a partial cross-sectional shape of a rectangle, a triangle, an involute profile, or a circular arc with more than half of a circumference.
In some embodiments, the brake disc comprises a pair of discs, the outer end faces of the discs are friction working faces, and the force transmission part is formed by annular web structures extending inwards of the two discs.
In some embodiments, the annular web has air inlets with openings in the radial direction of the disk on the inner circumferential surface at the non-force-transmission hole position, and the annular web has air inlets with openings in the axial direction of the disk on the end surface at the non-force-transmission hole position.
In some embodiments, the position where the force transmission hole of the brake disc is connected with the two annular webs is provided with a reinforcing rib which extends the force transmission hole into a continuous arc inner circumferential surface.
In some embodiments, a support column is clamped between the inner side end faces of the two disks of the brake disk; the support columns comprise at least one ring of first support columns arranged along the circumferential direction, each first support column obliquely extends along the non-radial direction of the disc, and the inclination angles are kept consistent, so that the first support columns serve as fan blade structures to drive air inside the brake disc to flow outwards under the condition that the brake disc rotates.
In some embodiments, the support post further comprises at least one ring of a plurality of second support posts arranged circumferentially; the first supporting columns are close to the outer ring position of the disc, the second supporting columns are close to the inner ring position of the disc, and the first supporting columns and the second supporting columns of different rings are arranged in a staggered mode.
In some embodiments, the cross-sectional shape of the first support column is a rectangular structure with a predetermined length, a rounded rectangular structure, or an arc-shaped segment structure with rounded ends.
In some embodiments, the cross-sectional shape of the second support column is circular, square, or diamond.
The invention also provides an all-disc brake, which comprises the floating disc force transmission mechanism.
According to the floating disc force transmission mechanism of the full-disc brake, the beneficial effects at least comprising the following steps are obtained:
the invention provides a floating disc force transmission mechanism of a full disc brake, which adopts a transmission ring to be connected with a brake disc, does not use a special hub, and can use a general hub of a common floating caliper type brake, so that the universality and interchangeability of the full disc brake are greatly enhanced, and the use scene of the brake with a floating disc structure is enlarged.
The transmission column of the transmission ring of the embodiment of the invention is simultaneously connected with the two discs of the brake disc, when the brake works, the two sides of the brake disc are stressed the same, and the support column in the middle of the brake disc only bears the pressure of the clamp and does not bear the shearing force. The stress born by the brake disc is greatly reduced, the thermal fatigue resistance is increased, the condition that the brake disc is subjected to double stress of the middle supporting structure due to single-side stress can not occur, the phenomenon that discs on two sides crack early can not occur, and the service life of the brake disc is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the specific details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the detailed description that follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For purposes of illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary apparatus actually manufactured according to the present invention. In the drawings:
fig. 1 is a schematic perspective view of a floating plate force transmission mechanism and a hub according to an embodiment of the present invention.
Fig. 2 is an exploded view of the floating plate force transmission mechanism and the hub according to an embodiment of the present invention.
Fig. 3 is a schematic perspective view of a brake disc of the floating disc force transmission mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic half-sectional view of a brake disk of the floating disk force transmission mechanism according to an embodiment of the present invention.
Fig. 5 is a perspective view of a transmission ring of the floating plate force transmission mechanism according to an embodiment of the present invention.
Fig. 6 is a perspective view of another perspective view of the transmission ring of the floating plate force transmission mechanism according to an embodiment of the present invention.
Fig. 7 is a schematic perspective view of a brake disc of a conventional floating caliper brake in the prior art.
Fig. 8 is a schematic perspective view of a special hub and floating plate structure with a guide groove in the prior art.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.
It is also noted herein that the term "coupled," if not specifically stated, may refer herein to not only a direct connection, but also an indirect connection in which an intermediate is present.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.
As shown in fig. 1 and 2, the present invention provides a floating disc force transmission mechanism of a full disc brake, so as to change the inconvenience of the existing floating disc structure that a special hub is required, reduce the internal stress of a brake disc, and improve the service life of the brake.
In one embodiment, the floating disc force transmission mechanism of the full disc brake of the present invention includes a brake disc 100 and a transfer ring 200, and the transfer ring 200 is used to connect the brake disc 100 to a hub 300.
The transfer ring 200 of the embodiment of the present invention includes a flange connection ring 210 and a plurality of transfer posts 220, wherein the flange connection ring 210 is used for connecting with the hub 300, the transfer posts 220 extend outwards from one side end surface of the flange connection ring 210 far away from the hub, and the transfer posts 220 are evenly distributed on the side surface of the flange connection ring 210 in the circumferential direction.
In an embodiment, the inner circumferential surface of the flange connection ring 210 of the transfer ring 200 is provided with a spigot 211 for connection with the hub 300 for centering and support. The flange portion of the flange connection ring 210 is provided with connection holes 212 for connection with the hub, the connection holes 212 may be threaded holes or straight holes, and are connected with the connection holes 301 of the hub 300 through connection members 310, and correspondingly, the connection members 310 may be bolts or screws. The hub 300 is provided with bolt holes 302 for connection to a rim. Preferably, the spigot 211, the connecting hole 212 of the flange connecting ring 210 of the transfer ring 200 and the connecting structure of the universal hub are designed to match each other in size. In other words, the interface size of the transfer ring 200 meets the universal hub interface requirements and can be bolted to the hub.
Since the market share of the floating disc type structure brake (full disc type brake) is small, the floating disc type structure in the prior art needs to use a special hub. For example, some special hubs adopting a floating disc type structure have guide grooves on the side surface, so that the design of the floating disc hub and the floating caliper type hub cannot be commonly used. The universality of the floating disc type structure is not strong due to the special hub, and the hubs can not be interchanged, so that the application scenes of the brake with the floating disc type structure are fewer.
The transfer ring provided by the embodiment of the invention is provided with the spigot and the connecting hole, and is connected with the universal hub through the spigot, the interface mode is completely the same as the connection mode of a brake disc and the hub of a common disc brake, and the transfer ring can be directly connected with the universal hub, so that the use scene of the floating disc type structure brake is greatly expanded, and the problem of the universal hub of the floating disc type structure brake is solved.
The transfer post 220 of the transfer ring 200 of the embodiment of the present invention is mainly used to mount the brake disc 100, and the transfer post 220 has a length greater than the thickness of the brake disc 200, so that the transfer post 220 can be simultaneously coupled with both discs of the brake disc 200. When the brake works, the two sides of the brake disc are stressed the same, and the support column in the middle of the brake disc only bears the pressure of the clamp and does not bear the shearing force. Compared with a common floating caliper type brake disc in the prior art, the brake disc in the embodiment of the invention has the advantages that the stress borne by the brake disc is greatly reduced, the thermal fatigue resistance is increased, the condition that the middle supporting structure is subjected to double stress due to single-side stress of the brake disc is avoided, the phenomenon of early cracking of discs on two sides is avoided, and the service life of the brake disc is prolonged.
On the other hand, the floating disc brake disc in the prior art adopts a special hub, generally, a guide groove for connecting the brake disc is integrally formed in the side surface of the hub, the temperature of the brake disc is very high during braking, and if the brake disc directly slides on the guide groove of the hub, heat on the brake disc will quickly cause the hub to generate heat, thus causing sealing oil leakage of a hub bearing, damage to the bearing and the like. Greatly reducing the safety and the service life of the hub. The brake disc slides on the transmission ring, so that the problem of temperature rise of the hub caused by the fact that the brake disc of the conventional full-disc brake directly slides on the hub is solved, and the heat dissipation structures of the brake disc and the transmission ring are innovatively designed, so that the heat dissipation effect is greatly enhanced.
As shown in fig. 4 and 5, the transfer columns 220 of the transfer ring 200 are connected to the flange connection ring 210 at positions having root ribs 231 connecting the inner circumferential surfaces of the respective transfer columns 220; the transfer columns 220 have top ribs 232 at positions away from the top of the flange connection ring 210 to connect the inner circumferential surfaces of the transfer columns 220.
In this embodiment, the transmission columns 220 of the transmission ring 200 are connected with the brake disc 100 to transmit the braking force to the wheel hub 300, and reinforcing ribs are arranged at the root and the top of the transmission columns 220 to reinforce the connection of all the transmission columns 220 and enhance the stress strength and stability thereof.
As shown in fig. 4 and 5, the transfer ring 220 has a vent 233 between the root bead 231 and the top bead 232. The ventilation openings 233 of the conveying ring 200 also correspond to the air inlets 122 of the brake disc 100, so that air can enter the interior of the brake disc, and the heat dissipation effect of the brake disc is enhanced. The ventilation openings in the transfer ring promote air circulation during rotation and also increase air flow over the surface of the brake disc, both the interior and the surface of the brake disc having a cooling air flow.
As shown in fig. 4 and 5, the respective connection holes 212 of the flange connection ring of the transfer ring 220 are arranged coaxially with the respective transfer posts 220, and the respective transfer posts 220 also have lightening holes 221 communicating with the connection holes 212.
As shown in fig. 4 and 5, in some embodiments, the flange connection ring 210 is integrally formed with the transmission column 220, and a partial cross-sectional shape of the transmission column 220 is a rectangle, a triangle, an involute tooth profile, or a circular arc with more than half of a circumference. Preferably, the cross section of the portion of each transfer post 220 near the outer periphery of the flange connection ring 210 is a circular arc with a half or more circumference; the inner circumference of each transfer column 220 near the flange connection ring 210 is configured as a support seat structure connected to the root reinforcing rib 231 and the top reinforcing rib 232, and the support seat structure is arc-shaped at the bottom of the arc above half circumference and expanded to enhance the bearing capacity. Each transfer column 220 and adjacent vent 233 also have a transitional stiffening rib structure to enhance the strength and stability of the transfer column.
In other embodiments, as shown in fig. 3 and 4, the brake disc 100 of the present invention includes a pair of discs 110, the outer side end surfaces of the discs 110 are friction surfaces, brake calipers are provided on both sides of the brake disc, the brake disc 100 slides in the axle direction relative to a hub through a transfer ring 200, the brake disc 100 rotates together with the hub in the circumferential direction, and the braking force is transmitted through the transfer ring 200. In one embodiment, the disc 110 may be a metal disc.
The inner ring structure of the brake disc 100 is a force transmission part 120, the force transmission part 120 is provided with a plurality of force transmission holes 121 distributed at intervals, and the shape of each force transmission hole 12 is the same as that of the transmission column 220. In some embodiments, the force transfer portion 121 is formed by two annular web structures extending inwardly from the circular discs 110. In other words, the annular web of the force transfer portion 120 may be integrally formed with the disc 110, and the force transfer portion 120 may be recessed inwardly with respect to the disc 110. The brake disc 100 can be connected to the transmission post 220 of the transmission ring through the force transmission hole 121, and correspondingly, the shape of the partial section of the force transmission hole 121 is the same as that of the transmission post 220, and may be rectangular, triangular, involute tooth form, circular arc with more than half circumference, or the like, but not limited thereto, as long as the force transmission hole 121 can be matched with the transmission post 220.
The inner peripheral surface of the annular web of the brake disc 100 at the position of the non-force transmission hole is provided with an air inlet 122 with an opening direction along the radial direction of the disc 120, and the air inlet 122 on the inner peripheral surface also corresponds to the position of the ventilation opening 233 of the transmission ring 100, so that the outside air can conveniently enter the inside of the brake disc, the phenomenon of air flow obstruction can be avoided, and the air cooling effect can be enhanced. The annular webs on both sides of the brake disc 100 have air inlet holes 123 with opening directions along the axial direction of the disc on the end surfaces at the positions of the non-force transmission holes. The air inlet 122 and the air inlet holes 123 both play a role in reducing weight and increasing air inlet.
In some embodiments, the force transmission hole 121 of the brake disc 100 is provided with a rib 124 extending the force transmission hole 121 into a continuous arc on the inner circumference surface at the position where the force transmission hole meets the two annular webs, so as to increase the contact area with the transmission column of the transmission ring. In other words, the inner circumferential surfaces of the two annular webs of the brake disc 100 are open at the positions of the non-force transmission holes, and the force transmission holes are closed, so that the requirements of weight reduction, ventilation and force transmission structure enhancement are met.
Preferably, the force transfer holes 121 are chamfered at both ends to facilitate the mounting of the transfer posts of the transfer ring.
The invention not only carries out innovative design on the force transmission structure of the brake disc, but also carries out optimized design on the internal structure of the brake disc in other embodiments in order to further enhance the braking effect of the brake disc, thereby further enhancing the air cooling effect.
As shown in fig. 3 and 4, a support column is sandwiched between the inner end surfaces of the two disks 110 of the brake disc 100.
The support columns include at least one ring of first support columns 101 arranged along the circumferential direction, each first support column 101 extends obliquely along the non-radial direction of the disc, and the inclination angles are kept consistent, so that under the condition that the brake disc 100 rotates, the first support columns 101 serve as fan blade structures to urge air inside the brake disc to flow outwards.
Further preferably, to enhance the supporting strength, the supporting column further comprises at least one ring of a plurality of second supporting columns 102 arranged along the circumferential direction. The first supporting columns 101 are close to the outer ring of the disc 110, the second supporting columns 102 are close to the inner ring of the disc 110, and the first supporting columns 101 and the second supporting columns 102 of different rings are arranged in a staggered mode, so that air ducts in the brake disc are prevented from being blocked.
In one embodiment, the first support column 101 has one ring and the second support column 102 has two rings. The second support columns 102 of each ring are staggered, and the second support columns 102 are also staggered with the first support columns 101. The first supporting column 101 and the second supporting column 102 may be solid structures, or hollow structures on the premise of satisfying strength.
When the brake disc is rotatory, first support column 101 is equivalent to the flabellum, forces the inside air of brake disc to flow outward to increase the air volume in the wind channel in the brake disc, increase inboard radiating effect.
In the embodiment, the brake disc slides on the transmission ring, so that the problem of temperature rise of the hub caused by the fact that the brake disc of the conventional full-disc brake directly slides on the hub is solved. And, this brake disc has add the first support column that is equivalent to the flabellum, and the inside air of forced brake disc is toward outer flow, and first support column is simple structure, but its air-cooled effect is splendid. The special ventilation design of brake disc makes the thermal diffusivity of whole brake disc strong, and the life of brake disc is longer.
In some embodiments, the cross-sectional shape of the first support column 101 is a rectangular structure with a predetermined length, a rounded rectangular structure, or an arc-shaped segment structure with rounded ends at both ends; the cross-sectional shape of the second support column 102 is circular, square or diamond. Preferably, the cross-sectional shape of the first support column 101 is an arc segment structure with round heads at both ends, and the cross-sectional shape of the second support column 102 is a circle.
As shown in fig. 4, the inclination angle θ of the first support column 101 is 45 ° to 70 °, and preferably 50 ° to 60 °. The first support column 101 is inclined in a direction designed to match the direction of rotation of the brake disc 100, i.e. the brake disc is exhausting outwards in the direction of the main rotation, e.g. when the vehicle is moving forward.
The floating disc force transmission mechanism of the full disc brake can adopt the brake caliper body in the prior art and can also adopt other brake caliper bodies.
The invention also provides an all-disc brake, which comprises the floating disc force transmission mechanism.
According to the full-disc brake and the floating disc force transmission mechanism thereof, the beneficial effects at least comprising:
(1) the invention provides a floating disc force transmission mechanism of a full disc brake, which adopts a transmission ring to be connected with a brake disc, does not use a special hub, and can use a general hub of a common floating caliper type brake, so that the universality and interchangeability of the full disc brake are greatly enhanced, and the use scene of the brake with a floating disc structure is enlarged.
(2) The transmission column of the transmission ring of the embodiment of the invention is simultaneously connected with the two discs of the brake disc, when the brake works, the two sides of the brake disc are stressed the same, and the support column in the middle of the brake disc only bears the pressure of the clamp and does not bear the shearing force. The stress born by the brake disc is greatly reduced, the thermal fatigue resistance is increased, the condition that the brake disc is subjected to double stress of the middle supporting structure due to single-side stress can not occur, the phenomenon that discs on two sides crack early can not occur, and the service life of the brake disc is prolonged.
(3) The brake disc slides on the transmission ring, the problem that the temperature of the hub is increased due to the fact that the brake disc of the existing full-disc brake directly slides on the hub is solved, the heat dissipation structure of the brake disc and the transmission ring is innovatively designed, and the heat dissipation effect is greatly enhanced.
(4) The ventilation opening of the conveying ring corresponds to the air inlet of the brake disc, so that air can conveniently enter the brake disc, and the heat dissipation effect of the brake disc is enhanced. The ventilation openings in the transfer ring promote air circulation during rotation and also increase air flow over the surface of the brake disc, both the interior and the surface of the brake disc having a cooling air flow.
(5) The brake disc of the embodiment of the invention is additionally provided with the first support column which is equivalent to the fan blade, air in the brake disc is forced to flow outwards, and the air cooling effect of the first support column is excellent although the structure is simple. The special ventilation design of brake disc makes the thermal diffusivity of whole brake disc strong, and the life of brake disc is longer.
(6) The inner ring structure of the brake disc is a force transmission part, can slide on the transmission ring and can ensure synchronous rotation with the transmission ring; the force transmission part is also provided with an air inlet hole, the design of an air duct is optimized, and the weight reduction effect is achieved.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments in the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A floating disc force transmission mechanism of an all-disc brake is characterized by comprising a brake disc and a transmission ring for connecting the brake disc to a wheel hub;
the conveying ring comprises a flange connecting ring used for being connected with a hub and a plurality of conveying columns which extend outwards from one side end face of the flange connecting ring and are distributed at intervals;
the inner ring structure of the brake disc is a force transmission part, the force transmission part is provided with a plurality of force transmission holes distributed at intervals, and the shape of each force transmission hole is the same as that of the transmission column;
the transmission holes of the brake disc are arranged on the transmission columns of the transmission ring, and the length of each transmission column is larger than the thickness of the brake disc, so that the brake disc and the transmission ring rotate synchronously and the brake disc can axially slide on the transmission ring.
2. The floating disc force transmission mechanism of the full disc brake according to claim 1, wherein the inner circumferential surface of the flange connecting ring is provided with a spigot for connecting with a hub, the flange part of the flange connecting ring is provided with a connecting hole for connecting with the hub, and the spigot and the connecting hole of the flange connecting ring are designed to be matched with the connecting structure of the universal hub.
3. The floating plate force transmission mechanism of the all-disc brake according to claim 1, wherein the positions where the transmission columns are connected with the flange connection ring are provided with root reinforcing ribs for connecting the inner circumferential surfaces of the transmission columns, and the positions of the transmission columns, which are far away from the top of the flange connection ring, are provided with top reinforcing ribs for connecting the inner circumferential surfaces of the transmission columns.
4. The floating plate force transmission mechanism of an all-disc brake according to claim 3, wherein a vent is provided between the root rib and the top rib of the transfer ring.
5. The floating disc force transmission mechanism of an all-disc brake according to claim 1, wherein each connection hole of the flange connection ring of the transmission ring is arranged coaxially with each transmission post, each transmission post also having a lightening hole communicating with the connection hole.
6. The floating disc force transmission mechanism of the full disc brake according to claim 1, wherein the flange connection ring is integrally formed with the transmission column, and the transmission column has a partial cross-sectional shape of a rectangle, a triangle, an involute tooth profile or a circular arc with more than half of a circumference.
7. The floating disc force transmission mechanism of the all-disc brake according to claim 1, wherein the brake disc comprises a pair of discs, the outer end faces of the discs are friction working faces, and the force transmission part is formed by an annular web structure extending inwards from the two discs;
the inner circumferential surface of the annular web plate at the position of the non-force transmission hole is provided with an air inlet with an opening direction along the radial direction of the disc, and the end surface of the annular web plate at the position of the non-force transmission hole is provided with an air inlet hole with an opening direction along the axial direction of the disc;
and reinforcing ribs which extend the force transmission holes into a continuous arc inner peripheral surface are arranged at the joint positions of the force transmission holes of the brake disc and the two annular webs.
8. The floating disc force transmission mechanism of the full disc brake according to claim 7, wherein a support column is clamped between the inner side end faces of the two discs of the brake disc;
the supporting columns comprise at least one ring of first supporting columns arranged along the circumferential direction, each first supporting column obliquely extends along the non-radial direction of the disc, and the inclination angles are kept consistent, so that the first supporting columns serve as fan blade structures to drive air inside the brake disc to flow outwards under the condition that the brake disc rotates;
the supporting column also comprises a plurality of second supporting columns which are arranged in a circumferential direction in at least one ring;
the first supporting columns are close to the outer ring position of the disc, the second supporting columns are close to the inner ring position of the disc, and the first supporting columns and the second supporting columns of different rings are arranged in a staggered mode.
9. The floating disc force transmission mechanism of the full disc brake according to claim 8, wherein the cross-sectional shape of the first support column is a rectangular structure with a predetermined length, a round-corner rectangular structure or an arc-shaped segment structure with round heads at two ends;
the cross section of the second supporting column is circular, square or rhombic.
10. An all-disc brake including a floating disc force transmission mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182352.5A CN112360902A (en) | 2020-10-29 | 2020-10-29 | Full-disc brake and floating disc force transmission mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182352.5A CN112360902A (en) | 2020-10-29 | 2020-10-29 | Full-disc brake and floating disc force transmission mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN112360902A true CN112360902A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011182352.5A Pending CN112360902A (en) | 2020-10-29 | 2020-10-29 | Full-disc brake and floating disc force transmission mechanism thereof |
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| Country | Link |
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| CN (1) | CN112360902A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370470A (en) * | 2021-12-02 | 2022-04-19 | 河北艾斯特车桥有限公司 | Guiding force transmission structure of disc brake |
| CN115978114A (en) * | 2023-02-06 | 2023-04-18 | 山东艾克赛尔机械制造有限公司 | Hub plate unit and vehicle |
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| US20050205368A1 (en) * | 2002-09-10 | 2005-09-22 | Joakim Gripemark | Supported disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114370470A (en) * | 2021-12-02 | 2022-04-19 | 河北艾斯特车桥有限公司 | Guiding force transmission structure of disc brake |
| CN115978114A (en) * | 2023-02-06 | 2023-04-18 | 山东艾克赛尔机械制造有限公司 | Hub plate unit and vehicle |
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