CN202182133U - Air disc brake - Google Patents
Air disc brake Download PDFInfo
- Publication number
- CN202182133U CN202182133U CN2011202487733U CN201120248773U CN202182133U CN 202182133 U CN202182133 U CN 202182133U CN 2011202487733 U CN2011202487733 U CN 2011202487733U CN 201120248773 U CN201120248773 U CN 201120248773U CN 202182133 U CN202182133 U CN 202182133U
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- Prior art keywords
- regulating mechanism
- assembly
- air
- gear
- disc brake
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- Expired - Lifetime
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Abstract
The utility model discloses an air disc brake, which comprises an upper pincer body, a lower pincer body, a power increasing gap adjusting assembly, a brake support and a friction plate assembly arranged in the brake support. The power increasing gap adjusting assembly is embedded in the upper pincer body through a retainer wrapped on the periphery of the power increasing gap adjusting assembly. The air disc brake adopts the retainer to wrap the whole power increasing gap adjusting assembly, an inner construction member of the power increasing gap adjusting assembly can be externally assembled and then totally put in the upper pincer body, and the air disc brake is convenient to assemble and maintain.
Description
Technical field
The utility model relates to automotive brake, especially a kind of air-pressure disc brake that is applicable on commerial vehicle, the off-road truck.
Background technique
Automotive brake mainly is divided into two kinds of drum-type and disc types, and the drum brake cost is low, and is dustproof; Be convenient to simultaneously as Parking Brake, but that its Braking efficiency and thermal diffusivity will differ from is many braking force poor stability of drum brake; Braking force alters a great deal on different road surfaces; Be not easy to control, and, in braking process, can assemble great amount of heat because heat dispersion is poor; Brake slipper and wheel hub are prone to very complicated distortion takes place under temperatures involved, are easy to generate fading of brake and flutter phenomenon, cause that retardation efficiency descends.
Disk type braker braking force under the fluid power power-assisted is big and stable, and good braking performance is all arranged on various road surfaces, and its Braking efficiency is far above drum brake, and air is directly through the disc type brake dish, so the thermal diffusivity of disk type braker is fine.But disk type braker structure more complicated with respect to drum brake requires also higherly to brake calipers, pipe-line system, and cost is higher than drum brake.
Air-pressure disc brake has been widely used in car; But many producers are in order to reduce cost, except being used on some exotic performance cars whole wheels, mostly only as front wheel brake; And cooperate the directional stability when higher braking being arranged in the hope of automobile with the drum brake of trailing wheel.Though air-pressure disc brake also has application at heavy-duty car, also has suitable distance from popularizing.
China national Patent Office discloses the patent No. in 2008-2-27 and has been " 200620099779.8 ", and name is called the patent of " floating tong type bipushing rod pneumatic disk brake ", has improved the braking moment of break, makes it more stable; Improved the synchronized movement property of two push rods, thereby the overall performance of air-pressure disc brake is further promoted.And for example China national Patent Office discloses the patent No. for " 200920200994.6 " name is called the patent of " air-pressure disc brake " in 2010-8-11, has solved that the brake braking force square is less than normal in the existing technology, brake structural is complicated, the shortcoming of assembling difficulty.But in practical set or using process, still there is following deficiency: have size difference between one, with type component; Can not guarantee that assemble used part all is same size at every turn, adopts traditional assembly structure in practical operation, to bring great difficulty to the workman; Two, brake inside driving mechanism, the position structure of rocker compensating gear is unreasonable, has destabilizing factor, and braking process is prone to produce noise.
Summary of the invention
The utility model problem to be solved just provides a kind of air-pressure disc brake; Adopt rational assembly structure to make air-pressure disc brake be easier to assembling; Adopt stability simple, when reasonably each mechanism of position structure raising brake inside works; Reduce production costs with this, increase the application of air-pressure disc brake.
For solving the problems of the technologies described above; The utility model adopts following technological scheme: a kind of air-pressure disc brake; Comprise upper clamp, lower clamp, reinforcement accent crack assembly, brake holder and be located at the friction plate assembly in the brake holder, it is characterized in that: said reinforcement transfers the crack assembly to be inlaid in the upper clamp through being wrapped in its peripheral retainer.
Further, said retainer comprises body frame body and cover plate, and said body frame body both sides are provided with fin, and flap end portion is provided with hook and is used to articulate cover plate, and said cover plate and upper clamp are tightly connected.
Further, said body frame body is the elasticity support body, makes things convenient for the assembling of internals.
Further; Said reinforcement transfers the crack assembly to comprise energizing driver structure and rocker compensating gear; Said energizing driver structure comprises pressure arm and roller bearing; Said pressure arm one end is provided with the needle bearing pair and is rotationally connected with roller bearing, makes pressure arm when roller bearing rotates, produce thrust through the secondary effect of needle bearing and is used to drive the rocker compensating gear action.
Further, the said needle bearing pair cylindrical needle bearing and the interior round needle bearing that comprise the bearing skeleton that is connected with pressure arm, be located in the bearing skeleton and install with eccentric structure.
Further, the position, stage casing of said roller bearing is provided with and the spacing equipped rectangular indentation of body frame body.Through the position-limiting action of rectangular indentation, make reinforcement transfer crack assembly internals to move steadily, do not shake, have no abnormal sound in the driving.
Further, said rocker compensating gear comprises supporting base, is located at active regulating mechanism and driven regulating mechanism on the supporting base, is provided with Returnning spring between said supporting base and the cover plate; Pass through the gear assembly transmission between said active regulating mechanism and the driven regulating mechanism; Said pressure arm drives initiatively regulating mechanism action through the driving lever that is located at pressure arm one side when rotating, the transmission through gear assembly makes driven regulating mechanism and regulating mechanism run-in synchronism initiatively promote friction plate assembly and accomplishes the gap compensation.
Further, said gear assembly comprises the driving gear be located on the regulating mechanism initiatively, is located at driven gear on the driven regulating mechanism, is located at the driving gear that connects driving gear and driven gear on the supporting base.The synchronism of three gear engagement structures ultra product of the same type far away.
Further, said friction plate assembly comprises outside friction disc and the interior friction plate that is located at the brake holder both sides, and a side of said interior friction plate is provided with by active regulating mechanism and the synchronously driven push pedal of driven regulating mechanism.
Further, said brake holder and upper clamp are slidingly connected through the first pin assembly, and said brake holder and lower clamp are slidingly connected through the second pin assembly, and the said first pin assembly constitutes by two consistent pins of length with the second pin assembly.Adopt four pins to be slidingly connected and distinguish about the back product has, avoided similar break, also solved the problem that the break assembling is interfered because of the problem of left and right sides misloading appears in pin length difference; The existence of four pins is arranged simultaneously, and in the process of braking, break can be more steady, reduces wear extent, reduces noise, makes product environmental protection more.
The beneficial effect of the utility model:
1, the inner reinforcement of upper clamp transfers the crack assembly generally to be comprised of multiple members, and needs manual work that member is put into upper clamp inside one by one according to existing fit, and working efficiency is on the low side, and assembling does not reach requirement; The utility model adopts retainer to wrap up whole reinforcement and transfers the crack assembly, and the whole again upper clamp of putting into after reinforcement transfers the internals of crack assembly externally to assemble is convenient to the assembling maintenance;
2, design the limit structure that reinforcement is transferred energizing driver structure in the assembly of crack again, make full use of the roller bearing self structure, do not need to increase again other any parts and just can realize the limit mounting with retainer, simple in structure, easy to assembly;
3, brake holder and upper clamp, brake holder and lower clamp adopt four pins to be slidingly connected to distinguish about the back product has, and have avoided similar break because of the problem of left and right sides misloading appears in pin length difference, have also solved the problem that the break assembling is interfered; The existence of four pins is arranged simultaneously, and in the process of braking, break can be more steady, reduces wear extent, reduces noise, makes product environmental protection more;
4, through above-mentioned improvement, the utility model is applicable on commerial vehicle, the off-road truck, relates in particular on the off-road truck of belt wheel side reducer to use, and the brake heat stability is good, fordability and high speed good braking effect, and maintenance cost is low.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further explanation:
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the internal structure schematic representation of the utility model;
Fig. 3 transfers the perspective view of crack assembly for reinforcement;
Fig. 4 transfers the internal structure schematic representation of crack assembly for reinforcement;
Fig. 5 is the A-A sectional view of Fig. 4;
Fig. 6 is the structural representation of roller bearing;
Fig. 7 is the structure of cover plate schematic representation;
Fig. 8 is the structural representation of supporting base.
Embodiment
With reference to Fig. 1,2; A kind of air-pressure disc brake of the utility model; Comprise upper clamp 1, lower clamp 2, reinforcement accent crack assembly, brake holder 3 and be located at the friction plate assembly in the brake holder 3, said reinforcement transfers the crack assembly to be inlaid in the upper clamp 1 through being wrapped in its peripheral retainer.Retainer comprises body frame body 6 and cover plate 60, and said body frame body 6 both sides are provided with fin 61, and fin 61 ends are provided with hook 62 and are used to articulate cover plate 60, and said cover plate 60 is tightly connected with upper clamp 1.Body frame body 6 adopts the elasticity support body, has certain stretchability, makes things convenient for the assembling of internals.
With reference to Fig. 3-8; Reinforcement transfers the crack assembly to comprise energizing driver structure 4 and rocker compensating gear 5; Energizing driver structure 4 comprises pressure arm 41 and roller bearing 42; Said pressure arm 41 1 ends are provided with the needle bearing pair and are rotationally connected with roller bearing 42, make pressure arm 41 generation thrust when roller bearing 42 rotates be used to drive rocker compensating gear 5 through the secondary effect of needle bearing and move.
The needle bearing pair comprises the bearing skeleton 43 that is connected with pressure arm 41, be located in the bearing skeleton 43 and install with eccentric structure cylindrical needle bearing 44 and interior round needle bearing 45.If pressure arm 41 is regarded a boosting lever as, 42 of roller bearings are the pivot points of this lever so, and the needle bearing pair then is equivalent to a cam mechanism, when roller bearing 42 rotates, produce thrust at pressure arm 41 and are used to drive rocker compensating gear 5 actions; Simultaneously roller bearing 42 also is used for energizing driver structure 4 spacing in upper clamp 1, and the position, stage casing of roller bearing 42 is provided with and body frame body 6 spacing equipped rectangular indentation 421.
Rocker compensating gear 5 comprises supporting base 50, is located at active regulating mechanism 51 and driven regulating mechanism 52 on the supporting base 50, is provided with Returnning spring 57 between the boss 501 of supporting base 50 and the depression position 601 of cover plate 60; Initiatively pass through the gear assembly transmission between regulating mechanism 51 and the driven regulating mechanism 52; Said pressure arm 41 drives initiatively regulating mechanisms 51 actions through the driving lever 46 that is located at pressure arm 41 1 sides when rotating, the transmission through gear assembly makes driven regulating mechanism 52 and regulating mechanism 51 run-in synchronisms initiatively promote friction plate assembly and accomplishes the gap compensation.Gear assembly comprises the driving gear 54 be located on the regulating mechanism 51 initiatively, be located at driven gear 55 on the driven regulating mechanism 52, be located at the driving gear 56 that connects driving gear and driven gear on the supporting base 50.
Friction plate assembly comprises the outside friction disc 71 and interior friction plate 72 that is located at brake holder 3 both sides; A side of friction plate 72 is provided with by active regulating mechanism 51 and driven regulating mechanism 52 synchronously driven push pedals 73 in said, and push pedal 73 can increase the initiatively area of contact of regulating mechanism 51, driven regulating mechanism 52 and interior friction plate 72.
Working principle:
When car brakeing; External force (brake chamber) promotes pressure arm 41, and pressure arm 41 promotes rocker compensating gear 5 displacements after thrust is increased, and drives push pedal 73 through active regulating mechanism on the supporting base 50 51 and driven regulating mechanism 52 and promotes interior friction plate 72 toward the motion of brake disc directions; Thereby promoting outside friction disc 71 through upper clamp 1 and lower clamp 2 translations simultaneously moves to brake disc; Finally, outside friction disc 71 clamps brake disc simultaneously with interior friction plate 72, accomplishes the car brakeing process.
When external force was cancelled, reinforcement was transferred crack assembly return under the effect of Returnning spring 57.The rotation generation centrifugal force of brake disc makes and remains on a stable gap band between outside friction disc 71, interior friction plate 72 and the brake disc.
But outside friction disc 71, interior friction plate 72 use the back to have wearing and tearing; Cause the gap between brake disc and outside friction disc 71, the interior friction plate 72 to surpass initial gap band; This just need be in braking process; Compensate the gap after these wearing and tearing through rocker compensating gear 5, when promptly braking: pressure arm 41 is when rotating, and the driving lever 46 through the one of which side drives initiatively regulating mechanisms 51 actions; Transmission through gear assembly makes driven regulating mechanism 52 and initiatively regulating mechanism 51 run-in synchronisms, promotes push pedal 73, interior friction plate 72 completion gap synchroballistics successively.
Except that above-mentioned preferred embodiment; The utility model also has other mode of execution; Those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from the spirit of the utility model, all should belong to the defined scope of the utility model accompanying claims.
Claims (10)
1. air-pressure disc brake; Comprise upper clamp (1), lower clamp (2), reinforcement accent crack assembly, brake holder (3) and be located at the friction plate assembly in the brake holder (3), it is characterized in that: said reinforcement transfers the crack assembly to be inlaid in the upper clamp (1) through being wrapped in its peripheral retainer.
2. a kind of air-pressure disc brake according to claim 1; It is characterized in that: said retainer comprises body frame body (6) and cover plate (60); Said body frame body (6) both sides are provided with fin (61); Fin (61) end is provided with hook (62) and is used to articulate cover plate (60), and said cover plate (60) is tightly connected with upper clamp (1).
3. a kind of air-pressure disc brake according to claim 2 is characterized in that: said body frame body (6) is the elasticity support body.
4. a kind of air-pressure disc brake according to claim 2; It is characterized in that: said reinforcement transfers the crack assembly to comprise energizing driver structure (4) and rocker compensating gear (5); Said energizing driver structure (4) comprises pressure arm (41) and roller bearing (42); Said pressure arm (41) one ends are provided with the needle bearing pair and are rotationally connected with roller bearing (42), make pressure arm (41) when roller bearing (42) rotates, produce thrust through the secondary effect of needle bearing and are used to drive rocker compensating gear (5) action.
5. a kind of air-pressure disc brake according to claim 4 is characterized in that: cylindrical needle bearing (44) and interior round needle bearing (45) that said needle bearing pair comprises the bearing skeleton (43) that is connected with pressure arm (41), be located in the bearing skeleton (43) and install with eccentric structure.
6. according to claim 4 or 5 described a kind of air-pressure disc brakes, it is characterized in that: the position, stage casing of said roller bearing (42) is provided with and the spacing equipped rectangular indentation of body frame body (6) (421).
7. a kind of air-pressure disc brake according to claim 4; It is characterized in that: said rocker compensating gear (5) comprises supporting base (50), is located at active regulating mechanism (51) and driven regulating mechanism (52) on the supporting base (50), is provided with Returnning spring (53) between said supporting base (50) and the cover plate (60); Pass through the gear assembly transmission between said active regulating mechanism (51) and the driven regulating mechanism (52); Said pressure arm (41) drives initiatively regulating mechanism (51) action through the driving lever that is located at pressure arm (41) one sides when rotating, the transmission through gear assembly makes driven regulating mechanism (52) and regulating mechanism (51) run-in synchronism initiatively promote friction plate assembly and accomplishes the gap compensation.
8. a kind of air-pressure disc brake according to claim 7 is characterized in that: said gear assembly comprises the driving gear (54) be located on the regulating mechanism (51) initiatively, be located at driven gear (55) on the driven regulating mechanism (52), be located at supporting base (50) goes up the driving gear (56) that connects driving gear (54) and driven gear (55).
9. according to claim 7 or 8 described a kind of air-pressure disc brakes; It is characterized in that: said friction plate assembly comprises the outside friction disc (71) and interior friction plate (72) that is located at brake holder (3) both sides, and a side of said interior friction plate (72) is provided with by active regulating mechanism (51) and the synchronously driven push pedal of driven regulating mechanism (52) (73).
10. a kind of air-pressure disc brake according to claim 1 and 2; It is characterized in that: said brake holder (3) is slidingly connected through the first pin assembly (31) with upper clamp (1); Said brake holder (3) is slidingly connected through the second pin assembly (32) with lower clamp (2), and the said first pin assembly (31) constitutes by two consistent pins of length with the second pin assembly (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202487733U CN202182133U (en) | 2011-07-13 | 2011-07-13 | Air disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202487733U CN202182133U (en) | 2011-07-13 | 2011-07-13 | Air disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202182133U true CN202182133U (en) | 2012-04-04 |
Family
ID=46175171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202487733U Expired - Lifetime CN202182133U (en) | 2011-07-13 | 2011-07-13 | Air disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202182133U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242786A (en) * | 2011-07-13 | 2011-11-16 | 浙江万安科技股份有限公司 | Air pressure plate type brake |
| CN104088935A (en) * | 2014-07-25 | 2014-10-08 | 武汉元丰汽车零部件有限公司 | Air pressure disc brake pressure arm with bearing limiting structure |
| CN104728312A (en) * | 2015-01-27 | 2015-06-24 | 武汉元丰汽车零部件有限公司 | Integrated clamp pneumatic disc brake of locating block rotation-prevention structure |
| CN111692252A (en) * | 2020-04-27 | 2020-09-22 | 张文波 | Air pressure disc brake |
| CN112682442A (en) * | 2019-10-18 | 2021-04-20 | 瀚德刹车片产品公司 | Disc brake and method for manufacturing disc brake |
-
2011
- 2011-07-13 CN CN2011202487733U patent/CN202182133U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242786A (en) * | 2011-07-13 | 2011-11-16 | 浙江万安科技股份有限公司 | Air pressure plate type brake |
| CN104088935A (en) * | 2014-07-25 | 2014-10-08 | 武汉元丰汽车零部件有限公司 | Air pressure disc brake pressure arm with bearing limiting structure |
| CN104088935B (en) * | 2014-07-25 | 2017-02-15 | 武汉元丰汽车零部件有限公司 | Air pressure disc brake pressure arm with bearing limiting structure |
| CN104728312A (en) * | 2015-01-27 | 2015-06-24 | 武汉元丰汽车零部件有限公司 | Integrated clamp pneumatic disc brake of locating block rotation-prevention structure |
| CN104728312B (en) * | 2015-01-27 | 2017-04-19 | 武汉元丰汽车零部件有限公司 | Integrated clamp pneumatic disc brake of locating block rotation-prevention structure |
| CN112682442A (en) * | 2019-10-18 | 2021-04-20 | 瀚德刹车片产品公司 | Disc brake and method for manufacturing disc brake |
| CN111692252A (en) * | 2020-04-27 | 2020-09-22 | 张文波 | Air pressure disc brake |
| CN111692252B (en) * | 2020-04-27 | 2021-03-30 | 张文波 | Air pressure disc brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pneumatic disc brake Effective date of registration: 20200730 Granted publication date: 20120404 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co., Ltd Pledgor: ZHEJIANG VIE SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2020330000528 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |