CN103216553A - Gap automatically adjusting mechanism applied to air disc brake - Google Patents
Gap automatically adjusting mechanism applied to air disc brake Download PDFInfo
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- CN103216553A CN103216553A CN201310136089XA CN201310136089A CN103216553A CN 103216553 A CN103216553 A CN 103216553A CN 201310136089X A CN201310136089X A CN 201310136089XA CN 201310136089 A CN201310136089 A CN 201310136089A CN 103216553 A CN103216553 A CN 103216553A
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- rotating shaft
- shifting block
- adjusting mechanism
- disc brake
- air
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Abstract
The invention discloses a gap automatically adjusting mechanism applied to an air disc brake. The gap automatically adjusting mechanism applied to the air disc brake comprises a main adjusting mandrel, an automatically adjusting rotating shaft and a shifting block cover, wherein the automatically adjusting rotating shaft is arranged on the main adjusting mandrel, and an arranger which is of a piece-shaped structure and tightly and mutually pressed is arranged between the automatically adjusting rotating shaft and the shifting block cover. The arranger is composed of spacing gaskets and a rotating gasket, a rotating shaft cover is embedded outside the automatically adjusting rotating shaft, and the spacing gaskets and the rotating gasket are arranged inside the rotating shaft cover. The gap automatically adjusting mechanism applied to the air disc brake greatly improves prevention of end face abrasion and stability of transmitted torque. According to the technical scheme, aspects of assembly technology, quality control and product reliability are greatly improved. Meanwhile, the gap automatically adjusting mechanism applied to the air disc brake is simple in structure, ensures automatic compensation of a brake clearance after brake abrasion and suitable torque born by braking parts, therefore, protects the braking parts of a brake, and stably adjusts brake clearance amount.
Description
Technical field
The invention belongs to motor vehicle braking systems manufacturing technology field, specifically, relate to a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake.
Background technique
At present, in motor vehicle braking systems manufacturing technology field, the application of air-pressure disc brake is very extensive, and air-pressure disc brake is as the safety component of Motor Vehicle, and its effect is particularly important.
Existing motor vehicle braking systems air-pressure disc brake generally comprises pressure arm, supporting base, push-rod assembly, brake pad, braking clamp body etc.The braking process of existing pneumatic-typed disk type braker is as follows: drive supporting base by pressure arm and produce axial displacement, drive caliper and float and realize braking thereby advance brake pad to press brake disc by the push-rod assembly that is mated;
Be provided with clearance automatic compensation mechanism mostly on the existing gas disk type braker.The push rod of air-pressure disc brake and the gap width of brake slipper are called the working clearance, the gap of working clearance by pressure arm shift fork and regulator moving tooth preestablishes, the working clearance value for when braking pressure arm from the initial position to the shift fork, begin to mesh and drive and adjust the displacement that push rod advances with supporting base in the pipe rotation process by regulator with the regulator moving tooth; After brake pad and the brake disc wear, the gap of push rod and brake pad was worth greater than the working clearance, and need adjust the position of push rod this moment forward.
In the prior art, at above-mentioned technical problem, realize, but there are following many technical problems in gap automatic regulating device of the prior art by the gap automatic adjusting mechanism of air-pressure disc brake:
1, in the automatic adjusting mechanism of the gap of prior art air-pressure disc brake, the self-regulated rotating shaft drives the rotation of shifting block cover with passing through steel ball or ball, realizes self-regulating;
In the Motor Vehicle braking process, the pressure arm shift fork of break contacts engagement and drives regulator and rotates with the regulator moving tooth, regulator drives the self-regulated rotating shaft by unilateral bearing and rotates, the self-regulated rotating shaft drives the shifting block cover by ball and rotates, the shifting block cover rotates and drives the push rod rotation, if this moment, push rod did not contact with brake slipper, the shifting block cover will drive push rod and rotate relative to supporting base, the push rod position is moved forward, realize the wear compensation of brake slipper, if push rod contacts with brake slipper and certain pressure is arranged, cause the moment of rotating push-rod excessive, the steel ball between shifting block cover and the self-regulated rotating shaft skids and the interrupt delivery moment of torsion.
Adopt the form of steel ball when braking torque is excessive, to play overload protective function in the prior art between self-regulated rotating shaft and the shifting block cover; But also have technological deficiency, when adjustment process, steel ball structure is easy to cause steel ball climbing phenomenon and inclined-plane return action, causes excessive adjustment, makes brake clearance too small, drags moment and increases, and the car load fuel consumption increases.
2, in the prior art, the gap automatic adjusting mechanism of air-pressure disc type brake also adopts outer directly by self-regulated rotating shaft and shifting block cover end face or conical surface linkage structure, but these structures all have some shortcomings: adopt self-regulated rotating shaft and shifting block cover end face or conical surface friction structure, after oil enters surface of contact, friction factor diminishes, the adjustment moment of torsion is less than normal, when causing bigger than normal and shifting block cover end face of brake clearance or conical surface serious wear, spring pressure diminishes, frictional force diminishes thereupon, can't realize from conditioning function, causes the break can't proper functioning.
Summary of the invention
Technical problem to be solved by this invention is, in the gap automatic adjusting mechanism of prior art air-pressure disc brake, adopt the mode of steel ball or ball to be connected between self-regulated rotating shaft and the shifting block cover, when adjustment process, steel ball structure is easy to cause steel ball climbing phenomenon and inclined-plane return action, causes excessive adjustment, makes brake clearance too small, drag moment and increase, the car load fuel consumption increases; Available technology adopting self-regulated rotating shaft and shifting block cover end face or conical surface friction structure, after oil enters surface of contact,, friction factor diminishes, the adjustment moment of torsion is less than normal, when causing bigger than normal and shifting block cover end face of brake clearance or conical surface serious wear, spring pressure diminishes, and frictional force diminishes thereupon, can't realize from conditioning function, perhaps cause the break can't proper functioning,, and provide a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake etc. technical problem.
Technical conceive of the present invention is, in the automatic adjusting mechanism of existing air-pressure disc brake, in order to solve steel ball or roll structure between self-regulated rotating shaft and the shifting block cover, steel ball climbing phenomenon and inclined-plane return action, thereby cause excessive adjustment, make brake clearance too small, drag moment and increase, the car load fuel consumption is increased; Or the self-regulated rotating shaft is connected with shifting block cover end face or conical surface friction, when causing shifting block cover end face or conical surface serious wear, the gap is bigger than normal, perhaps can't realize from conditioning function, etc. technical problem, and provide a kind of new technical conceive, the present invention's design is on the basis of existing gap automatic adjusting mechanism, be covered with at self-regulated rotating shaft and shifting block and put the multidisc structure and be connected, specifically, mutual friction plate body structure is set, inside and outside described body structure, airtight oil pocket is set simultaneously and lubricates, can transmit stable moment of torsion, thereby solve the problems of the technologies described above.
Technological scheme provided by the present invention is, a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake, comprise that homophony puts in order mandrel, self-regulated rotating shaft and shifting block cover, described self-regulated rotating shaft is arranged on the whole mandrel of described homophony, is provided with the transmission device of the sheet structure that compresses mutually between described self-regulated rotating shaft and the described shifting block cover.
Described transmission device is made of spacing pad and rotation pad, and described self-regulated rotating shaft is embedded with the rotating shaft cover outward, and described spacing pad and rotation pad are arranged in the described rotating shaft cover.
Be provided with oil storage hole in the described spacing pad, described spacing pad and rotation pad peripheral hardware have protective housing, and described rotation pad passes between whole mandrel of homophony and the described spacing pad by the friction pair transmitting torque.
Described gap automatic adjusting mechanism also comprises positioning plate assembly, unilateral bearing, unilateral bearing stationary bushing, regulator, main shifting block, and the whole mandrel top of described homophony connects described positioning plate assembly by rubber pad and pressing plate.
Be provided with plain washer in the described positioning plate assembly, described positioning plate assembly is connected with described unilateral bearing stationary bushing end face contact.
Described unilateral bearing stationary bushing and described self-regulated rotating shaft interference fit.
Described self-regulated rotating shaft connects regulator by described unilateral bearing.
Be provided with the regulator spring of taper between described positioning plate assembly and the described regulator.
Whole mandrel one end of described homophony connects described main shifting block by connecting pin, and described connecting pin is arranged in the described main shifting block.
Described main shifting block is arranged in the described shifting block cover, and described main shifting block slides in described shifting block cover vertically, and and described shifting block cover between be provided with the shifting block spring.
Adopt technological scheme provided by the present invention, can effectively solve the present invention in the automatic adjusting mechanism of existing air-pressure disc brake, in order to solve steel ball or roll structure between self-regulated rotating shaft and the shifting block cover, steel ball climbing phenomenon and inclined-plane return action, thereby cause excessive adjustment, the car load fuel consumption is increased; Or the self-regulated rotating shaft is connected with shifting block cover end face or conical surface friction, causes shifting block cover end face or conical surface serious wear, and the gap is bigger than normal, perhaps can't realize from conditioning function, etc. technical problem; Technological scheme provided by the present invention, wherein rotate pad and pass between the whole mandrel of homophony and the spacing pad and pass through the friction pair transmitting torque, a plurality of oil storage holes are arranged in the spacing pad, protective housing is arranged outward, can store a large amount of lubricant oil, improve a lot preventing end wear and transmitting torque stability.The present invention adopts technique scheme, and very big raising is being arranged aspect assembly technology, quality control and the product reliability.Simultaneously, the present invention is simple in structure, has guaranteed that the automatic compensation and the brake member of brake clearance bears suitable moment of torsion after the brake wear, thereby has protected the break brake member and adjusted the brake clearance amount reposefully.
Description of drawings,
In conjunction with the accompanying drawings, the present invention is described further:
Fig. 1 is a structural representation of the present invention;
Wherein, 1 is the whole mandrel of homophony; 2 is rubber pad; 3 is pressing plate; 4 is positioning plate assembly; 5 is the regulator spring; 6 is regulator; 7 is unilateral bearing; 8 are the self-regulated rotating shaft; 9 are the rotating shaft cover; 10 is spacing pad; 11 are the rotation pad; 12 is the shifting block cover; 13 is the shifting block spring; 14 is main shifting block; 15 is connecting pin; 16 is plain washer; 17 is the unilateral bearing stationary bushing.
Embodiment
As shown in Figure 1, a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake provided by the present invention, comprise that homophony puts in order mandrel 1, self-regulated rotating shaft 8 and shifting block cover 12, described self-regulated rotating shaft 8 is arranged on the whole mandrel 1 of described homophony, is provided with the transmission device of the sheet structure that compresses mutually between described self-regulated rotating shaft 8 and the described shifting block cover 12.Described transmission device is made of spacing pad 10 and rotation pad 11, the described self-regulated rotating shaft 8 outer rotating shaft covers 9 that are embedded with, and described spacing pad 10 and rotation pad 11 are arranged in the described rotating shaft cover 9.
A kind of multidisc regulating mechanism that is applied to air-pressure disc brake of the present invention comprises that homophony puts in order mandrel 1, rubber pad 2, pressing plate 3, positioning plate assembly 4, regulator spring 5, regulator 6, unilateral bearing 7, self-regulated rotating shaft 8, rotating shaft cover 9, spacing pad 10, rotation pad 11, shifting block cover 12, shifting block spring 13, main shifting block 14, connecting pin 15, plain washer 16, unilateral bearing stationary bushing 17; Wherein whole mandrel 1 top of homophony connects positioning plate assembly 4 by rubber pad 2 and pressing plate 3, be provided with plain washer 16 in the positioning plate assembly 4 and contact with unilateral bearing stationary bushing 17 end faces, unilateral bearing stationary bushing 17 and self-regulated rotating shaft 8 interference fit are with 7 axial motions of restriction unilateral bearing, self-regulated rotating shaft 8 connects regulator 6 by unilateral bearing 7, be provided with the regulator spring 5 of taper between positioning plate assembly 4 and the regulator 6, whole mandrel 1 the other end of homophony connects main shifting block 14 connecting pins 15 by connecting pin 15 and places in the main shifting block 14, main shifting block 14 places in the shifting block cover 12 and can slide vertically, and and shifting block cover 12 between be provided with shifting block spring 13, self-regulated rotating shaft 8 outer embedding rotating shaft covers 9, spacing pad 10 places in the rotating shaft cover 9; Rotation pad 11 passes between the whole mandrel 1 of homophony and the spacing pad 10 by the friction pair transmitting torque, and this multidisc regulating mechanism mainly pressure arm of the parts of tooth by regulator 6 and break meshes and finishes the gap and adjust function automatically; Self-regulated rotating shaft 8 outer embedding rotating shaft covers 9, spacing pad 10 places in the rotating shaft cover 9; Rotation pad 11 passes between whole mandrel 1 of homophony and the spacing pad 10 by the friction pair transmitting torque; A plurality of oil storage holes are arranged in the spacing shim 10, protective housing is arranged outward, can store a large amount of lubricant oil, improve a lot preventing end wear and carry-over moment stability.The present invention adopts technique scheme, and very big raising is being arranged aspect assembly technology, quality control and the product reliability.Simultaneously, the present invention is simple in structure, has guaranteed that the automatic compensation and the brake member of brake clearance bears suitable moment of torsion after the brake wear, thereby has protected the break brake member and adjusted the brake clearance amount reposefully.
Claims (10)
1. gap automatic adjusting mechanism that is applied to air-pressure disc brake, comprise that homophony puts in order mandrel (1), self-regulated rotating shaft (8) and shifting block cover (12), described self-regulated rotating shaft (8) is arranged on the whole mandrel (1) of described homophony, it is characterized in that, be provided with the transmission device of the sheet structure that compresses mutually between described self-regulated rotating shaft (8) and the described shifting block cover (12).
2. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 1, it is characterized in that, described transmission device is made of spacing pad (10) and rotation pad (11), the outer rotating shaft cover (9) that is embedded with of described self-regulated rotating shaft (8), described spacing pad (10) and rotation pad (11) are arranged in the described rotating shaft cover (9).
3. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 1 and 2, it is characterized in that, be provided with oil storage hole in the described spacing pad (10), the outer protective housing that is provided with of described spacing pad (10) and described rotation pad (11), described rotation pad (11) passes between whole mandrel (1) of homophony and the described spacing pad (10) by the friction pair transmitting torque.
4. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 3, it is characterized in that, described gap automatic adjusting mechanism also comprises positioning plate assembly (4), unilateral bearing (7), unilateral bearing stationary bushing (17), regulator (6), main shifting block (14), and described homophony is put in order mandrel (1) top and connected described positioning plate assembly (4) by rubber pad (2) and pressing plate (3).
5. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 4, it is characterized in that, be provided with plain washer (16) in the described positioning plate assembly (4), described positioning plate assembly (4) is connected with the contact of described unilateral bearing stationary bushing (17) end face.
6. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 5 is characterized in that, described unilateral bearing stationary bushing (17) and described self-regulated rotating shaft (8) interference fit.
7. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 6 is characterized in that, described self-regulated rotating shaft (8) connects regulator (6) by described unilateral bearing (7).
8. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 7 is characterized in that, is provided with the regulator spring (5) of taper between described positioning plate assembly (4) and the described regulator (6).
9. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 8, it is characterized in that, whole mandrel (1) one end of described homophony connects described main shifting block (14) by connecting pin (15), and described connecting pin (15) is arranged in the described main shifting block (14).
10. a kind of gap automatic adjusting mechanism that is applied to air-pressure disc brake according to claim 9, it is characterized in that, described main shifting block (14) is arranged in the described shifting block cover (12), described main shifting block (14) slides in described shifting block cover (12) vertically, and and described shifting block cover (12) between be provided with shifting block spring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136089.XA CN103216553B (en) | 2013-04-18 | 2013-04-18 | A kind of automatic adjustment mechanism for gap being applied to air-pressure disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136089.XA CN103216553B (en) | 2013-04-18 | 2013-04-18 | A kind of automatic adjustment mechanism for gap being applied to air-pressure disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216553A true CN103216553A (en) | 2013-07-24 |
| CN103216553B CN103216553B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310136089.XA Active CN103216553B (en) | 2013-04-18 | 2013-04-18 | A kind of automatic adjustment mechanism for gap being applied to air-pressure disc brake |
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| CN (1) | CN103216553B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485224A (en) * | 2016-01-14 | 2016-04-13 | 枣庄泰德机械有限公司 | Automatic brake clearance adjustment mechanism assembly |
| CN109073011A (en) * | 2016-03-24 | 2018-12-21 | Bpw 矿用轴公司 | For the transfer device and universal joint rolling bearing of vehicle disc brake and for this coupling ring |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5325949A (en) * | 1991-07-25 | 1994-07-05 | Ti Interlock Limited | Brake or clutch unit wear adjustment means |
| US5520267A (en) * | 1992-05-05 | 1996-05-28 | Lucas Industries Public Limited Company | Actuating device with automatic readjustment of disc brakes, especially for trucks and buses |
| CN2747408Y (en) * | 2004-05-26 | 2005-12-21 | 段昌金 | Automatic adjustment system |
| EP1820992B1 (en) * | 2006-02-20 | 2011-04-06 | BPW Bergische Achsen KG | Wheel brake and pressure plate for wheel brake |
| CN102384191A (en) * | 2011-07-06 | 2012-03-21 | 隆中控股集团有限公司 | Regulator of clearance self-regulating mechanism in automobile disc brake |
| CN202628896U (en) * | 2012-06-01 | 2012-12-26 | 芜湖伯特利汽车安全***有限公司 | Clearance self-adjustment and overload protection mechanism applied to air pressure disc brake |
| CN203257949U (en) * | 2013-04-18 | 2013-10-30 | 芜湖伯特利汽车安全***有限公司 | Automatic gap adjusting mechanism applied to air disc brake |
-
2013
- 2013-04-18 CN CN201310136089.XA patent/CN103216553B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5325949A (en) * | 1991-07-25 | 1994-07-05 | Ti Interlock Limited | Brake or clutch unit wear adjustment means |
| US5520267A (en) * | 1992-05-05 | 1996-05-28 | Lucas Industries Public Limited Company | Actuating device with automatic readjustment of disc brakes, especially for trucks and buses |
| CN2747408Y (en) * | 2004-05-26 | 2005-12-21 | 段昌金 | Automatic adjustment system |
| EP1820992B1 (en) * | 2006-02-20 | 2011-04-06 | BPW Bergische Achsen KG | Wheel brake and pressure plate for wheel brake |
| CN102384191A (en) * | 2011-07-06 | 2012-03-21 | 隆中控股集团有限公司 | Regulator of clearance self-regulating mechanism in automobile disc brake |
| CN202628896U (en) * | 2012-06-01 | 2012-12-26 | 芜湖伯特利汽车安全***有限公司 | Clearance self-adjustment and overload protection mechanism applied to air pressure disc brake |
| CN203257949U (en) * | 2013-04-18 | 2013-10-30 | 芜湖伯特利汽车安全***有限公司 | Automatic gap adjusting mechanism applied to air disc brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485224A (en) * | 2016-01-14 | 2016-04-13 | 枣庄泰德机械有限公司 | Automatic brake clearance adjustment mechanism assembly |
| CN109073011A (en) * | 2016-03-24 | 2018-12-21 | Bpw 矿用轴公司 | For the transfer device and universal joint rolling bearing of vehicle disc brake and for this coupling ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103216553B (en) | 2016-08-03 |
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Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Applicant before: Wuhu Bethel Automotive Secure Systems Ltd. |
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Effective date of registration: 20160906 Address after: 063500 economic and Technological Development Zone, West Ring Road, Luannan County, Hebei, Tangshan City Patentee after: Tangshan Bethel Automotive Safety System Co., Ltd. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee before: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. |