CN102242786A - Air pressure plate type brake - Google Patents
Air pressure plate type brake Download PDFInfo
- Publication number
- CN102242786A CN102242786A CN2011101957473A CN201110195747A CN102242786A CN 102242786 A CN102242786 A CN 102242786A CN 2011101957473 A CN2011101957473 A CN 2011101957473A CN 201110195747 A CN201110195747 A CN 201110195747A CN 102242786 A CN102242786 A CN 102242786A
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Abstract
The invention discloses an air pressure plate type brake, which comprises an upper pliers body, a lower pliers body, a boosting clearance adjusting assembly, a brake bracket and a friction plate assembly arranged in the brake bracket, wherein the boosting clearance adjusting assembly is embedded into the upper pliers body through a retainer wrapped on the periphery of the boosting clearance adjusting assembly. The retainer is used for wrapping the whole boosting clearance adjusting assembly, and the internal members of the boosting clearance adjusting assembly can be assembled at the exterior and then integrally put into the upper pliers body, so the brake is convenient for assembly and maintenance.
Description
Technical field
The present invention 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, the drum brake cost is low, 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 a large amount of heats because heat dispersion is poor; Very complicated distortion easily takes place in brake slipper and wheel hub under temperatures involved, be easy to generate fading of brake and the phenomenon that flutters, and causes 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 by 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 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 prior art, 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 to bring great difficulty to the workman in practical operation; Two, brake inside driving mechanism, the position structure of rocker compensating gear is unreasonable, has destabilizing factor, and braking process easily produces noise.
Summary of the invention
Problem to be solved by this invention 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 present invention 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 interior friction plate assembly of brake holder, it is characterized in that: described reinforcement transfers the crack assembly to be inlaid in the upper clamp by being wrapped in its peripheral retainer.
Further, described retainer comprises body frame body and cover plate, and described 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 described cover plate and upper clamp are tightly connected.
Further, described body frame body is the elasticity support body, makes things convenient for the assembling of internals.
Further, described reinforcement transfers the crack assembly to comprise energizing driver structure and rocker compensating gear, described energizing driver structure comprises pressure arm and roller bearing, described pressure arm one end is provided with that needle bearing is secondary to be rotationally connected with roller bearing, and the effect by the needle bearing pair makes pressure arm produce thrust when roller bearing rotates to be used to drive rocker compensating gear and to move.
Further, the described 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 described roller bearing is provided with and the spacing equipped rectangular indentation of body frame body.By 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, described 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 described supporting base and the cover plate; Pass through the gear assembly transmission between described active regulating mechanism and the driven regulating mechanism, described pressure arm drives initiatively regulating mechanism action by the driving lever that is located at pressure arm one side when rotating, the transmission by gear assembly makes driven regulating mechanism and regulating mechanism run-in synchronism initiatively promote friction plate assembly and finishes the gap compensation.
Further, described 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 super product of the same type far away.
Further, described 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 described interior friction plate is provided with by active regulating mechanism and the synchronously driven push pedal of driven regulating mechanism.
Further, described brake holder and upper clamp are slidingly connected by the first pin assembly, and described brake holder and lower clamp are slidingly connected by the second pin assembly, and the described first pin assembly and the second pin assembly constitute by two consistent pins of length.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.
Beneficial effect of the present invention:
1, the reinforcement of upper clamp inside transfers the crack assembly generally to be comprised of multiple members, and needs manually member to be 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 present invention 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, the redesign reinforcement is transferred the limit structure of energizing driver structure in the assembly of crack, makes full use of the roller bearing self structure, does not need to increase other any parts again and just can realize limit mounting with retainer, and is 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, by above-mentioned improvement, the present invention 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
The present invention is described further below in conjunction with accompanying drawing:
Fig. 1 is a perspective view of the present invention;
This present invention's of Fig. 2 internal structure schematic representation figure;
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 present invention, comprise that upper clamp 1, lower clamp 2, reinforcement transfer crack assembly, brake holder 3 and be located at friction plate assembly in the brake holder 3, described reinforcement transfers the crack assembly to be inlaid in the upper clamp 1 by being wrapped in its peripheral retainer.Retainer comprises body frame body 6 and cover plate 60, and described 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 described 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, described pressure arm 41 1 ends are provided with that needle bearing is secondary to be rotationally connected with roller bearing 42, and the effect by the needle bearing pair makes pressure arm 41 produce thrust when roller bearing 42 rotates to be used to drive rocker compensating gear 5 actions.
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, produce thrust at pressure arm 41 when roller bearing 42 rotates 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, described pressure arm 41 drives initiatively regulating mechanisms 51 actions by the driving lever 46 that is located at pressure arm 41 1 sides when rotating, the transmission by gear assembly makes driven regulating mechanism 52 and regulating mechanism 51 run-in synchronisms initiatively promote friction plate assembly and finishes 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 described, 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, pressure arm 41 increases the back with thrust and promotes rocker compensating gear 5 displacements, drive push pedal 73 by active regulating mechanism on the supporting base 50 51 and driven regulating mechanism 52 and promote interior friction plate 72 toward the motion of brake disc direction, thereby promoting outside friction disc 71 by 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, finishes 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, by rocker compensating gear 5 compensate this wearing and tearing after the gap, when promptly braking: pressure arm 41 is when rotating, driving lever 46 by the one side drives initiatively regulating mechanism 51 actions, transmission by gear assembly makes driven regulating mechanism 52 and initiatively regulating mechanism 51 run-in synchronisms, promotes push pedal 73 successively, interior friction plate 72 is finished gap synchroballistic.
Except that above preferred embodiment, the present invention also has other mode of execution, and those skilled in the art can make various changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
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 interior friction plate assembly of brake holder (3), it is characterized in that: described reinforcement transfers the crack assembly to be inlaid in the upper clamp (1) by being wrapped in its peripheral retainer.
2. a kind of air-pressure disc brake according to claim 1, it is characterized in that: described retainer comprises body frame body (6) and cover plate (60), described 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 described 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: described 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: described reinforcement transfers the crack assembly to comprise energizing driver structure (4) and rocker compensating gear (5), described energizing driver structure (4) comprises pressure arm (41) and roller bearing (42), described pressure arm (41) one ends are provided with that needle bearing is secondary to be rotationally connected with roller bearing (42), and the effect by the needle bearing pair makes pressure arm (41) produce thrust when roller bearing (42) rotates to be used to drive rocker compensating gear (5) and to move.
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 described 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 described 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: described 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 described supporting base (50) and the cover plate (60); Pass through the gear assembly transmission between described active regulating mechanism (51) and the driven regulating mechanism (52), described pressure arm (41) drives initiatively regulating mechanism (51) action by the driving lever that is located at pressure arm (41) one sides when rotating, the transmission by gear assembly makes driven regulating mechanism (52) and regulating mechanism (51) run-in synchronism initiatively promote friction plate assembly and finishes the gap compensation.
8. a kind of air-pressure disc brake according to claim 7 is characterized in that: described 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: described 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 described 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: described brake holder (3) is slidingly connected by the first pin assembly (31) with upper clamp (1), described brake holder (3) and lower clamp (2) are slidingly connected by the second pin assembly (32), and the described first pin assembly (31) and the second pin assembly (32) are by two pin formations that length is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101957473A CN102242786A (en) | 2011-07-13 | 2011-07-13 | Air pressure plate type brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101957473A CN102242786A (en) | 2011-07-13 | 2011-07-13 | Air pressure plate type brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102242786A true CN102242786A (en) | 2011-11-16 |
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ID=44960980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101957473A Pending CN102242786A (en) | 2011-07-13 | 2011-07-13 | Air pressure plate type brake |
Country Status (1)
| Country | Link |
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| CN (1) | CN102242786A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562884A (en) * | 2012-02-29 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Air disc brake |
| CN103264262A (en) * | 2013-05-24 | 2013-08-28 | 武汉群峰机械有限公司 | Machining technology of cam reinforcement lever mechanism |
| CN105317885A (en) * | 2015-12-08 | 2016-02-10 | 重庆元创汽车整线集成有限公司 | Disc brake with floating calipers |
| CN105612365A (en) * | 2013-10-11 | 2016-05-25 | 克诺尔商用车制动系统有限公司 | Brake caliper for a disk brake |
| EP3109499A1 (en) * | 2015-06-23 | 2016-12-28 | WABCO Europe BVBA | Disc brake, in particular for a commercial vehicle |
| CN108425968A (en) * | 2017-02-15 | 2018-08-21 | 现代自动车株式会社 | Brake caliper assemblies |
| CN108612789A (en) * | 2018-07-16 | 2018-10-02 | 浙江国昌机械有限公司 | The caliper of air-pressure disc brake |
| CN108626272A (en) * | 2018-07-16 | 2018-10-09 | 浙江国昌机械有限公司 | Air-pressure disc type brake clamps assembly |
| DE102017116112A1 (en) * | 2017-07-18 | 2019-01-24 | Bpw Bergische Achsen Kg | Disc brake with the application device arranged therein and support roller for the application device |
| CN110985568A (en) * | 2019-11-14 | 2020-04-10 | 浙江万安科技股份有限公司 | Clamp body, clamp body machining method and brake assembling method with clamp body |
| CN111501394A (en) * | 2020-04-21 | 2020-08-07 | 东莞市金田纸业有限公司 | Papermaking dryer mechanism |
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| CN202182133U (en) * | 2011-07-13 | 2012-04-04 | 浙江万安科技股份有限公司 | Air disc brake |
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| CN1326058A (en) * | 2000-05-31 | 2001-12-12 | 哈尔德克斯制动产品股份公司 | Modular braking mechanism |
| CN2818904Y (en) * | 2005-07-14 | 2006-09-20 | 浙江隆中机械制造有限公司 | Disk brake of vehicle |
| CN1948778A (en) * | 2006-11-06 | 2007-04-18 | 武汉元丰汽车零部件有限公司 | Floating tong type bipushing rod pneumatic disk brake based on rectangular torsional spring single dicrection clutch |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562884B (en) * | 2012-02-29 | 2013-07-31 | 中国重汽集团济南动力有限公司 | Air disc brake |
| CN102562884A (en) * | 2012-02-29 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Air disc brake |
| CN103264262A (en) * | 2013-05-24 | 2013-08-28 | 武汉群峰机械有限公司 | Machining technology of cam reinforcement lever mechanism |
| CN103264262B (en) * | 2013-05-24 | 2015-06-24 | 武汉群峰机械有限公司 | Machining technology of cam reinforcement lever mechanism |
| CN105612365A (en) * | 2013-10-11 | 2016-05-25 | 克诺尔商用车制动系统有限公司 | Brake caliper for a disk brake |
| CN105612365B (en) * | 2013-10-11 | 2017-12-01 | 克诺尔商用车制动系统有限公司 | Caliper for disk brake |
| US10047810B2 (en) | 2013-10-11 | 2018-08-14 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Brake caliper for a disc brake |
| US10634201B2 (en) | 2015-06-23 | 2020-04-28 | Wabco Europe Bvba | Disc brake, more particularly for commercial vehicles |
| EP3109499A1 (en) * | 2015-06-23 | 2016-12-28 | WABCO Europe BVBA | Disc brake, in particular for a commercial vehicle |
| WO2016206778A1 (en) * | 2015-06-23 | 2016-12-29 | Wabco Europe Bvba | Disc brake, more particularly for commercial vehicles |
| CN107532667A (en) * | 2015-06-23 | 2018-01-02 | 威伯科欧洲有限责任公司 | Disk brake, in particular for the disk brake of commercial car |
| CN105317885A (en) * | 2015-12-08 | 2016-02-10 | 重庆元创汽车整线集成有限公司 | Disc brake with floating calipers |
| CN108425968A (en) * | 2017-02-15 | 2018-08-21 | 现代自动车株式会社 | Brake caliper assemblies |
| DE102017116112A1 (en) * | 2017-07-18 | 2019-01-24 | Bpw Bergische Achsen Kg | Disc brake with the application device arranged therein and support roller for the application device |
| US11624414B2 (en) | 2017-07-18 | 2023-04-11 | Bpw Bergische Achsen Kg | Disc brake with a tensioning device arranged therein and supporting roller for the tensioning device |
| CN108612789A (en) * | 2018-07-16 | 2018-10-02 | 浙江国昌机械有限公司 | The caliper of air-pressure disc brake |
| CN108626272A (en) * | 2018-07-16 | 2018-10-09 | 浙江国昌机械有限公司 | Air-pressure disc type brake clamps assembly |
| CN110985568A (en) * | 2019-11-14 | 2020-04-10 | 浙江万安科技股份有限公司 | Clamp body, clamp body machining method and brake assembling method with clamp body |
| CN111501394A (en) * | 2020-04-21 | 2020-08-07 | 东莞市金田纸业有限公司 | Papermaking dryer mechanism |
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Application publication date: 20111116 |
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