CN105020305A - Air disc brake and automatic friction-plate returning method thereof - Google Patents
Air disc brake and automatic friction-plate returning method thereof Download PDFInfo
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- CN105020305A CN105020305A CN201510437414.5A CN201510437414A CN105020305A CN 105020305 A CN105020305 A CN 105020305A CN 201510437414 A CN201510437414 A CN 201510437414A CN 105020305 A CN105020305 A CN 105020305A
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- friction plate
- disc brake
- air
- returnning spring
- pressure disc
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Abstract
The invention discloses an air disc brake and an automatic friction-plate returning method thereof. The air disc brake comprises a first friction plate, a second friction plate, a caliper body and a friction-plate pressing rod arranged on the caliper body. Friction-plate returning mechanisms connected with the first friction plate and the second friction plate in an inserted mode are arranged on the friction-plate pressing rod. According to the automatic friction-plate returning method of the air disc brake, the friction plates automatically return by means of the air disc brake. By means of return force provided by the friction-plate returning mechanisms, the first friction plate and the second friction plate are automatically separated from a brake disc. The dragging torque is reduced, abrasion to the friction plates and the brake disc is reduced, noise is lowered, the utilization rate of fuel oil of a vehicle is increased, and the service life of the friction plates is prolonged.
Description
Technical field
The present invention relates to break in large and medium-sized commercial car, be specifically related to air-pressure disc brake and friction plate initiatively return method thereof.
Background technique
Air-pressure disc brake has the advantages that travelling comfort is strong, Braking efficiency is stablized, thermal diffusivity is good.Therefore air-pressure disc brake is more and more applied in large and medium-sized commercial car.
On market, existing air-pressure disc brake does not have friction plate initiatively return mechanism substantially, and when release brake pedal, during air-pressure disc brake brake off, friction plate can not initiatively return; Cause vehicle travel resistance to increase, drag moment large, noise is large, increases vehicle oil consumption, accelerates the wearing and tearing of friction plate, brake disc, reduces friction plate working life.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide reduction to drag moment, reduce the wearing and tearing of friction plate and brake disc, reduce noise, improve vehicle fuel utilization ratio and the air-pressure disc brake in friction plate life-span and friction plate thereof initiatively return method.
To achieve these goals, the technical solution used in the present invention is:
Air-pressure disc brake, the friction plate depression bar comprising the first friction plate, the second friction plate, caliper and be located on described caliper, described friction plate depression bar is provided with the friction plate return mechanism with described first friction plate, the second friction plate grafting.
Described friction plate return mechanism is Returnning spring, is sleeved on described friction plate depression bar in the middle part of described Returnning spring, and the end, two ends of described Returnning spring is inserted in the friction plate backboard of described first friction plate and the second friction plate respectively.
Described Returnning spring is v-shaped structure, for being sleeved on the spring coil on described friction plate depression bar in the middle part of described Returnning spring; Described Returnning spring two ends are elasticity spring base; End, described Returnning spring two ends is provided with the inserted link in the friction plate backboard inserting described first friction plate and the second friction plate.
Described spring coil is located on the v-shaped structure dot location of Returnning spring, described elasticity spring base with the spring coil of Returnning spring for symmetric points are symmetrical arranged.
Described inserted link and described Returnning spring v-shaped structure top end place plane parallel.
Described inserted link is made up of the end bending of described Returnning spring two ends.
Described Returnning spring is two, is set on described friction plate depression bar in the middle part of two Returnning springs; The end, two ends of two Returnning springs is inserted in the friction plate backboard of the first friction plate and the second friction plate respectively.
The friction plate backboard top of described first friction plate and the second friction plate is provided with the mounting groove inserted for described inserted link.Described mounting groove is waist type groove.
The friction plate initiatively return method of air-pressure disc brake, utilize above-mentioned air-pressure disc brake to realize, during air-pressure disc brake braking, the first friction plate and the second friction plate move until compress brake disc, and Returnning spring is stressed is in impaction state; During air-pressure disc brake brake release, Returnning spring return, drives the first friction plate and the second friction plate to be separated return rapidly from brake disc.
The invention has the advantages that: air-pressure disc brake and friction plate thereof initiatively return method, air-pressure disc brake is provided with friction plate return mechanism, after brake off, the restoring force that the first friction plate, the second friction plate are provided by friction plate return mechanism, initiatively departs from brake disc; Reduce and drag moment, reduce the wearing and tearing of friction plate and brake disc, reduce noise, improve vehicle fuel utilization ratio and friction plate life-span.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of specification of the present invention below and figure is briefly described:
Fig. 1 is the structural representation of air-pressure disc brake of the present invention.
Fig. 2 is the structural representation of the Returnning spring of air-pressure disc brake.
Fig. 3 is the structural representation of the first friction plate of air-pressure disc brake of the present invention and the friction plate backboard of the second friction plate.
Mark in above-mentioned figure is:
1, the first friction plate, the 2, second friction plate, 3, caliper, 4, friction plate depression bar, 5, mounting bracket, 6, friction plate backboard, 7, Returnning spring, 8, spring coil, 9, elasticity spring base, 10, inserted link, 11, mounting groove.
Embodiment
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, air-pressure disc brake, the friction plate depression bar 4 comprising the first friction plate 1, second friction plate 2, caliper 3 and be located on caliper 3, friction plate depression bar 4 is provided with the friction plate return mechanism with the first friction plate 1, second friction plate 2 grafting.Air-pressure disc brake is provided with friction plate return mechanism, after brake off, the restoring force that the first friction plate 1, second friction plate 2 is provided by friction plate return mechanism, initiatively departs from brake disc; Reduce and drag moment, reduce the wearing and tearing of friction plate and brake disc, reduce noise, improve vehicle fuel utilization ratio and friction plate life-span.
Friction plate return mechanism is Returnning spring 7, is sleeved on friction plate depression bar 4 in the middle part of Returnning spring 7, and the end, two ends of Returnning spring 7 is inserted in the friction plate backboard 6 of the first friction plate 1 and the second friction plate 2 respectively; During air-pressure disc brake braking, Returnning spring 7 forced compression; Air-pressure disc brake is after brake off, and Returnning spring 7 provides stable restoring force, makes the first friction plate 1, second friction plate 2 initiatively depart from brake disc; Returnning spring 7 not only travelling comfort is strong, and cost is low.
As shown in Figure 2, Returnning spring 7 is v-shaped structure, for being sleeved on the spring coil 8 on friction plate depression bar 4 in the middle part of Returnning spring 7; Returnning spring 7 two ends are elasticity spring base 9; End, Returnning spring 7 two ends is provided with the inserted link 10 in the friction plate backboard 6 of insertion first friction plate 1 and the second friction plate 2, and namely elasticity spring base 9 end is respectively equipped with the inserted link 10 in the friction plate backboard 6 of insertion first friction plate 1 and the second friction plate 2.Be inserted in friction plate depression bar 4 in the middle part of Returnning spring 7, the inserted link 10 at two ends inserts respectively in the friction plate backboard 6 of the first friction plate 1 and the second friction plate 2 and namely installs.
Spring coil 8 is located on the v-shaped structure dot location of Returnning spring 7, elasticity spring base 9 with the spring coil 8 of Returnning spring 7 for symmetric points are symmetrical arranged.Returnning spring 7 two ends are symmetrical arranged, and the restoring force size that Returnning spring 7 is supplied to the first friction plate 1 and the second friction plate 2 is even; Ensure that the first friction plate 1 and the second friction plate 2 obtain the returning place force of stable and uniform, and then make the first friction plate 1 and the reliable steadily return of the second friction plate 2.
Preferably, inserted link 10 is made up of the end bending of Returnning spring 7 two ends, and not only structural strength is good, and fabricating cost is low.
Inserted link 10 and place, Returnning spring 7V shape structure top end end plane parallel; Further guarantee inserted link 10 inserts after the first friction plate 1 and the second friction plate 2 install, Returnning spring 7 two ends are symmetrical arranged, there is provided the returning place force of stable and uniform can to the first friction plate 1 and the second friction plate 2, and then make the first friction plate 1 and the reliable steadily return of the second friction plate 2.
Returnning spring 7 is two, is set on friction plate depression bar 4 in the middle part of two Returnning springs 7; The end, two ends of two Returnning springs 7 is inserted in the friction plate backboard 6 of the first friction plate 1 and the second friction plate 2 respectively; Two Returnning springs 7 are resisted against on the two ends of the first friction plate 1 and the second friction plate 2 respectively, and ensureing provides sufficiently stable returning place force to the first friction plate 1 and the second friction plate 2 two ends, make the first friction plate 1 and the second friction plate 2 returning quickly.
As shown in Figure 3, friction plate backboard 6 top of the first friction plate 1 and the second friction plate 2 is provided with the mounting groove 11 inserted for inserted link 10; Inserted link 10 inserts in mounting groove 11, and in the first friction plate 1 and the second friction plate 2 moving process, mounting groove 11 provides enough mobile spaces for inserted link 10, makes Returnning spring 7 not depart from the friction plate backboard 6 of the first friction plate 1 and the second friction plate 2.
Mounting groove 11 is waist type groove; During air-pressure disc brake braking, first friction plate 1 and the second friction plate 2 are close until compress brake disc to brake disc, Returnning spring 7 two ends space displacement is arc, namely Returnning spring 7 two ends have lateral displacement and length travel, waist type groove moves for Returnning spring 7 two ends and provides enough displacement spaces, Returnning spring 7 normally can be compressed and return, think that the first friction plate 1 and the second friction plate 2 provide reliable and stable returning place force.When waist type groove ensures that the first friction plate 1 and the second friction plate 2 may wear to limit position simultaneously, Returnning spring 7 does not depart from the friction plate backboard 6 of the first friction plate 1 and the second friction plate 2, under ensureing the first friction plate 1 and the second friction plate 2 abrasion condition, still can freely reset.
Friction plate depression bar 4 limit friction sheet, prevents friction plate from coming off; Friction plate depression bar 4 is double-rod structure, and two Returnning springs 7 are set on a bar of friction plate depression bar 4; Friction plate depression bar 4 is located at above the first friction plate 1 and the second friction plate 2, and friction plate depression bar 4 one end is inserted in positioning hole set by caliper 3, and the other end and the caliper 3 of friction plate depression bar 4 are bolted.Returnning spring 7 is arranged on friction plate depression bar 4, utilizes the structure of friction plate depression bar 4, does not need additionally to increase fixed structure again, can not only save cost, and is beneficial to space layout.
Caliper 3 is provided with mounting bracket, and mounting bracket facilitates the installation of air-pressure disc brake.
The friction plate initiatively return method of air-pressure disc brake, utilize above-mentioned air-pressure disc brake to realize, during air-pressure disc brake braking, the first friction plate 1 and the second friction plate 2 move until compress brake disc, and Returnning spring 7 is stressed is in impaction state; During air-pressure disc brake brake release, Returnning spring 7 return, drives the first friction plate 1 and the second friction plate 2 to be separated return rapidly from brake disc.
The friction plate initiatively return method of air-pressure disc brake, first friction plate 1 and the second friction plate 2 are after end of braking, by the restoring force that Returnning spring 7 provides, initiatively depart from brake disc, reduce and drag moment, reduce the wearing and tearing of friction plate and brake disc, reduce noise, improve vehicle fuel utilization ratio and friction plate life-span.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out, all within protection scope of the present invention.
Claims (10)
1. air-pressure disc brake, the friction plate depression bar comprising the first friction plate, the second friction plate, caliper and be located on described caliper, is characterized in that: described friction plate depression bar is provided with the friction plate return mechanism with described first friction plate, the second friction plate grafting.
2. air-pressure disc brake as claimed in claim 1, it is characterized in that: described friction plate return mechanism is Returnning spring, be enclosed within described friction plate depression bar in the middle part of described Returnning spring, the end, two ends of described Returnning spring is inserted in the friction plate backboard of described first friction plate and the second friction plate respectively.
3. air-pressure disc brake as claimed in claim 2, is characterized in that: described Returnning spring is v-shaped structure, for being sleeved on the spring coil on described friction plate depression bar in the middle part of described Returnning spring; Described Returnning spring two ends are elasticity spring base; End, described Returnning spring two ends is provided with the inserted link in the friction plate backboard inserting described first friction plate and the second friction plate.
4. air-pressure disc brake as claimed in claim 3, is characterized in that: described spring coil is located on the v-shaped structure dot location of Returnning spring, described elasticity spring base with the spring coil of Returnning spring for symmetric points are symmetrical arranged.
5. the air-pressure disc brake as described in claim 3 or 4, is characterized in that: described inserted link and described Returnning spring v-shaped structure top end place plane parallel.
6. the air-pressure disc brake as described in claim 3 or 4, is characterized in that: described inserted link is made up of the end bending of described Returnning spring two ends.
7. the air-pressure disc brake as described in any one of claim 2-4, is characterized in that: described Returnning spring is two, is set on described friction plate depression bar in the middle part of two Returnning springs; The end, two ends of two Returnning springs is inserted in the friction plate backboard of the first friction plate and the second friction plate respectively.
8. the air-pressure disc brake as described in claim 3 or 4, is characterized in that: the friction plate backboard top of described first friction plate and the second friction plate is provided with the mounting groove inserted for described inserted link.
9. air-pressure disc brake as claimed in claim 8, is characterized in that: described mounting groove is waist type groove.
10. the friction plate of air-pressure disc brake initiatively return method, utilize the air-pressure disc brake described in any one of claim 1-9 to realize, it is characterized in that: during air-pressure disc brake braking, first friction plate and the second friction plate move until compress brake disc, and Returnning spring is stressed is in impaction state; During air-pressure disc brake brake release, Returnning spring return, drives the first friction plate and the second friction plate to be separated return rapidly from brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437414.5A CN105020305A (en) | 2015-07-22 | 2015-07-22 | Air disc brake and automatic friction-plate returning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437414.5A CN105020305A (en) | 2015-07-22 | 2015-07-22 | Air disc brake and automatic friction-plate returning method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105020305A true CN105020305A (en) | 2015-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510437414.5A Pending CN105020305A (en) | 2015-07-22 | 2015-07-22 | Air disc brake and automatic friction-plate returning method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105020305A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178568A (en) * | 2017-07-12 | 2017-09-19 | 湖北航特科技有限责任公司 | Brake caliper assemblies and brake apparatus |
| CN107440155A (en) * | 2017-08-07 | 2017-12-08 | 湖北中烟卷烟材料厂 | A kind of fragrant pearl blanking device of filter stick for cigarettes former high speed |
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| EP0945636A2 (en) * | 1998-03-25 | 1999-09-29 | Shin Nippon Wheel Industries Co., Ltd., a corporation of Japan | Wet multi-plate clutch |
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| CN200961650Y (en) * | 2006-11-06 | 2007-10-17 | 武汉元丰汽车零部件有限公司 | Integral caliper type floating caliper type pneumatic brake |
| DE102007038155A1 (en) * | 2007-08-13 | 2009-02-19 | Magna Powertrain Ag & Co Kg | Multi-disk clutch for use with transfer gear-box, has multi-disks of multi-disk units pressed together for transmission of torque in one direction and are detached from each other for removal of torque transmission in other direction |
| CN203009666U (en) * | 2012-12-25 | 2013-06-19 | 重庆长安汽车股份有限公司 | Low-drag floating-type braking calibers |
| CN204186849U (en) * | 2014-11-10 | 2015-03-04 | 钟思平 | Air-pressure disc brake automatic resetting device |
| CN104482081A (en) * | 2014-12-31 | 2015-04-01 | 芜湖伯特利汽车安全系统有限公司 | Active return mechanism for vehicle brake pad |
| CN104747633A (en) * | 2014-07-24 | 2015-07-01 | 宋鲁江 | Separating device for brake pads and brake disc of automobile |
| CN204458934U (en) * | 2015-03-03 | 2015-07-08 | 钟思平 | A kind of hydraulic brake automatic resetting device |
| CN204942348U (en) * | 2015-07-22 | 2016-01-06 | 芜湖伯特利汽车安全系统股份有限公司 | Air-pressure disc brake |
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2015
- 2015-07-22 CN CN201510437414.5A patent/CN105020305A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207768U (en) * | 1986-10-14 | 1987-12-05 | 贵州省石油公司 | Fully floating pneumatic brake |
| EP0945636A2 (en) * | 1998-03-25 | 1999-09-29 | Shin Nippon Wheel Industries Co., Ltd., a corporation of Japan | Wet multi-plate clutch |
| CN200961649Y (en) * | 2006-10-20 | 2007-10-17 | 许艳 | Single-disc bi-directional drive mechanical type disc brake |
| CN200961650Y (en) * | 2006-11-06 | 2007-10-17 | 武汉元丰汽车零部件有限公司 | Integral caliper type floating caliper type pneumatic brake |
| DE102007038155A1 (en) * | 2007-08-13 | 2009-02-19 | Magna Powertrain Ag & Co Kg | Multi-disk clutch for use with transfer gear-box, has multi-disks of multi-disk units pressed together for transmission of torque in one direction and are detached from each other for removal of torque transmission in other direction |
| CN203009666U (en) * | 2012-12-25 | 2013-06-19 | 重庆长安汽车股份有限公司 | Low-drag floating-type braking calibers |
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| CN104482081A (en) * | 2014-12-31 | 2015-04-01 | 芜湖伯特利汽车安全系统有限公司 | Active return mechanism for vehicle brake pad |
| CN204458934U (en) * | 2015-03-03 | 2015-07-08 | 钟思平 | A kind of hydraulic brake automatic resetting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178568A (en) * | 2017-07-12 | 2017-09-19 | 湖北航特科技有限责任公司 | Brake caliper assemblies and brake apparatus |
| CN107178568B (en) * | 2017-07-12 | 2019-05-28 | 湖北航特科技有限责任公司 | Brake caliper assemblies and brake apparatus |
| CN107440155A (en) * | 2017-08-07 | 2017-12-08 | 湖北中烟卷烟材料厂 | A kind of fragrant pearl blanking device of filter stick for cigarettes former high speed |
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Application publication date: 20151104 |
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| RJ01 | Rejection of invention patent application after publication |