CN113819167A - Braking return device - Google Patents
Braking return device Download PDFInfo
- Publication number
- CN113819167A CN113819167A CN202010559728.3A CN202010559728A CN113819167A CN 113819167 A CN113819167 A CN 113819167A CN 202010559728 A CN202010559728 A CN 202010559728A CN 113819167 A CN113819167 A CN 113819167A
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- Prior art keywords
- piston
- return
- thrust
- brake
- rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 9
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
- F16D2121/06—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure for releasing a normally applied brake
Abstract
The invention provides a brake return device which comprises an active return mechanism, wherein the active return mechanism comprises a cylinder body and a piston thrust mechanism, the piston thrust mechanism comprises a piston and a thrust rod, the piston is arranged in the cylinder body in a sliding manner, one end of the thrust rod is connected to the piston, and the other end of the thrust rod is connected to a friction plate arranged on one side of a brake disc, so that the friction plate is far away from the brake disc under the action of the thrust rod when braking is finished; hydraulic pressure flows into the cylinder body and acts on piston thrust mechanism, promotes piston thrust mechanism and removes in order to drive the friction disc return, and the brake disc is kept away from under the effect of distance rod to the friction disc, realizes the purpose of friction disc initiative return, owing to adopt hydraulic mode to realize the friction disc return to can not produce the jet-propelled noise of high pressure, solved among the prior art disc brake and produced the problem of atmospheric pressure noise when the friction disc self return process, improved user's driving experience.
Description
Technical Field
The invention relates to the technical field of vehicle braking, in particular to a braking return device.
Background
With the development of vehicle braking technology, disc brakes are increasingly applied to large commercial vehicles, the disc brakes have good stability and performance, and the heat fading tendency of the brakes is greatly reduced, so that the distance required for parking is greatly shortened. However, the friction plate of the conventional disc brake cannot automatically return, which causes dragging and sticking between the friction plate and the brake disc, resulting in problems of friction plate abrasion, oil consumption increase and the like.
Chinese patent application publication No. CN107575512A discloses a friction plate return mechanism and an air disc brake having the same, so as to solve the problem that a friction plate of a conventional disc brake cannot be automatically returned. Wherein, friction disc return mechanism is by atmospheric pressure, but relative setting and relative movement's two friction discs, the brake disc that is located between two friction discs constitutes, be equipped with air passage on the friction disc, one side of air passage dorsad brake disc is the section of giving vent to anger, the trachea stretches into to air passage's the section of admitting air in by the outside of friction disc, be connected trachea and air supply, when the air supply air feed, gaseous air passage of blowing in from the trachea, and finally blow to the brake disc along air passage, the air current can only flow along the clearance between brake disc and the friction disc, because the brake disc is fixed, consequently the reaction force of air current can promote the friction disc and remove to the direction of keeping away from the brake disc, realize the function of friction disc return.
However, the friction plate return mechanism of the air pressure disc brake is realized by blowing air to the friction plate, the air flows out along the space between the brake disc and the friction plate to realize the active return of the friction plate, air pressure noise can be generated in the return process, and the driving experience of a user is reduced. In addition, the brake distribution valve controls the foundation brake and the friction plate return mechanism, and if the brake distribution valve fails, the foundation brake of the whole vehicle is affected. In addition, the above-described air disc brake system cannot achieve energy recovery.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the brake return device is provided for solving the problem that the disc brake in the prior art generates air pressure noise in the automatic return process of a friction plate.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a braking return means, includes initiative return mechanism, initiative return mechanism includes cylinder body and piston thrust mechanism, piston thrust mechanism includes piston and distance rod, the piston slides and sets up in the cylinder body, the one end of distance rod is connected on the piston, the other end of distance rod is connected on the friction disc that sets up brake disc one side to when making the braking end the friction disc is in keep away from under the effect of distance rod the brake disc.
Optionally, the thrust rod includes a piston rod and a thrust arm, one end of the piston rod is connected to the piston, the other end of the piston rod is connected to one end of the thrust arm, the other end of the thrust arm is connected to the friction plate, and the piston rod is perpendicular to the friction plate.
Optionally, one end of the thrust arm is provided with a sleeve, and the sleeve is sleeved at the other end of the piston rod.
Optionally, the cylinder is fixed to a caliper body bracket of the brake caliper.
Optionally, two piston thrust mechanisms are provided, each friction plate includes an inner friction plate and an outer friction plate, a thrust rod of one of the piston thrust mechanisms is connected to the inner friction plate, and a thrust rod of the other piston thrust mechanism is connected to the outer friction plate.
Optionally, the strokes of both said piston thrust mechanisms are the same.
Optionally, both ends of the cylinder body are respectively provided with a first through hole and a second through hole, the aperture of the first through hole is smaller than the outer diameter of the piston, the aperture of the second through hole is larger than the outer diameter of the piston, a position on the cylinder body, which is located outside the second through hole, is provided with a limiting groove, and a retaining ring is arranged in the limiting groove.
Optionally, the cylinder body further comprises an oil inlet cavity, an oil inlet and an oil outlet of the oil inlet cavity are formed in the oil port of the active return mechanism, and a radial oil passing channel communicated with the oil inlet cavity and the inner cavity of the cylinder body is formed in the cylinder body.
Optionally, two active return mechanisms are provided, one of the active return mechanisms is disposed on a first side of a caliper body support of the brake caliper along the front-rear direction of the vehicle, and the other active return mechanism is disposed on a second side of the caliper body support along the front-rear direction of the vehicle.
Optionally, the oil ports of the two active return mechanisms are communicated through a pipeline.
The invention provides a braking return device which comprises an active return mechanism, wherein the active return mechanism comprises a cylinder body and a piston thrust mechanism, the piston thrust mechanism comprises a piston and a thrust rod, the piston is arranged in the cylinder body in a sliding mode, one end of the thrust rod is connected to the piston, and the other end of the thrust rod is connected to a friction plate arranged on one side of a brake disc, so that the friction plate is far away from the brake disc under the action of the thrust rod when braking is finished; hydraulic pressure flows into the cylinder body and acts on piston thrust mechanism, promotes piston thrust mechanism and removes in order to drive the friction disc return, and the brake disc is kept away from under the effect of distance rod to the friction disc, realizes the purpose of friction disc initiative return, owing to adopt hydraulic mode to realize the friction disc return to can not produce the jet-propelled noise of high pressure, solved among the prior art disc brake and produced the problem of atmospheric pressure noise when the friction disc self return process, improved user's driving experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a brake return device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an active return mechanism of a brake return device according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-an active return mechanism; 11-a cylinder body; 111-a retainer ring; 112-oil port; 113-radial oil passage; 114 — a first via; 115-a second via; 116-an oil inlet chamber; 12-a piston thrust mechanism; 121-a piston; 122-a thrust rod; 1221-a piston rod; 1222-a thrust arm; 131-a first branch; 132-a second branch;
2-brake calipers; 21-a clamp body bracket;
3, a brake disc; 4-friction plate; 41-inner friction plate; 42-outer friction plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a brake return device according to an embodiment of the present invention will now be described. Braking return means, including initiative return mechanism 1, initiative return mechanism 1 includes cylinder body 11 and piston thrust mechanism 12, piston thrust mechanism 12 includes piston 121 and thrust rod 122, piston 121 slides and sets up in the cylinder body 11, the one end of thrust rod 122 is connected on the piston 121, the other end of thrust rod 122 is connected on the friction disc 4 that sets up in brake disc 3 one side, so that when the braking was finished friction disc 4 is in keep away from under the effect of thrust rod 122 brake disc 3.
When braking is finished, high-pressure liquid flows into the cylinder 11 of the active return mechanism 1, the piston 121 in the cylinder 11 moves in a direction away from the center of the cylinder 11 under the action of the high-pressure liquid, and drives the thrust rod 122 to move in a direction away from the brake disc 3, so that the friction plate 4 connected with the thrust rod 122 is far away from the brake disc 3, and the purpose of returning the friction plate 4 is achieved.
According to the brake return device provided by the embodiment of the invention, when braking is finished, hydraulic pressure flows into the cylinder body 11 and acts on the piston thrust mechanism 12 to push the piston thrust mechanism 12 to move so as to drive the friction plate 4 on one side of the brake disc 3 to return, the friction plate 4 is far away from the brake disc 3 under the action of the thrust rod 122, and the purpose of active return of the friction plate 4 is realized.
In one embodiment, the thrust rod 122 includes a piston rod 1221 and a thrust arm 1222, one end of the piston rod 1221 is connected to the piston 121, the other end of the piston rod 1221 is connected to one end of the thrust arm 1222, the other end of the thrust arm 1222 is connected to the friction plate 4, and the piston rod 1221 is perpendicular to the friction plate 4.
When braking is finished, high-pressure liquid flows into the cylinder 11 of the active return mechanism 1, the piston 121 in the cylinder 11 moves in a direction away from the center of the cylinder 11 under the action of the high-pressure liquid, and drives the piston rod 1221 to move in a direction away from the center of the cylinder 11, and because the piston rod 1221 is perpendicular to the friction plate 4, the movement direction of the piston rod 1221 is the displacement direction of the friction plate 4, therefore, the piston rod 1221 moves in a direction away from the center of the cylinder 11 and drives the thrust arm 1222 connected with the piston rod 1221 and the friction plate 4 on the thrust arm 1222 to move in a direction away from the brake disc 3, so that the friction plate 4 is away from the brake disc 3, and the purpose of returning the friction plate 4 is achieved.
In one embodiment, the thrust rod 122 including the piston rod 1221 and the thrust arm 1222 is merely exemplary, and in other embodiments, the thrust rod 122 may have other structures, such as being directly connected to the friction plate 4 via the piston rod 1221.
In one embodiment, a sleeve is disposed at one end of the thrust arm 1222, and the sleeve is sleeved on the other end of the piston rod 1221. Be connected thrust arm 1222 and piston rod 1221 through the sleeve, carry on spacingly to thrust arm 1222 and piston rod 1221, conveniently dismantle and play the guard action to piston rod 1221, improve the security, the compactness of distance rod 122.
The sleeve connection of thrust arm 1222 and piston rod 1221 is only an exemplary connection. In other embodiments, the connection between the thrust arm 1222 and the piston rod 1221 may be other connections, for example, the thrust arm 1222 and the piston rod 1221 may be welded, hinged, etc.
In one embodiment, referring to fig. 1 and 2, the cylinder 11 is fixed to a caliper body bracket 21 of the brake caliper 2. Fix cylinder body 11 on the pincers body support 21 of brake caliper 2, can simplify arresting gear's structure for braking return means is comparatively firm at the motion process, and pincers body support 21 is in brake disc 3 tops in addition, and the easy overall arrangement is with low costs, and the cylinder body 11 restriction of the mechanism of initiatively returning 1 has improved the security and the stability of the mechanism of initiatively returning 1 on the pincers body support 21 of brake caliper 2.
In an embodiment, referring to fig. 1 to 2, two piston thrust mechanisms 12 are provided, and the friction plates 4 include an inner friction plate 41 and an outer friction plate 42, wherein the thrust rod 122 of one of the piston thrust mechanisms 12 is connected to the inner friction plate 41, and the thrust rod 122 of the other piston thrust mechanism 12 is connected to the outer friction plate 42. When braking is finished, after high-pressure liquid flows into the cylinder body 11 of the active return mechanism 1, the two piston thrust mechanisms 12 can synchronously move towards the direction far away from the center of the cylinder body 11 under the action of the high-pressure liquid, and further the inner friction plate 41 and the outer friction plate 42 are synchronously far away from the brake disc 3. In other embodiments, one piston thrust mechanism 12 may also be used, and the two friction plates 4 are driven simultaneously by other auxiliary returning devices to return the friction plates 4, which is not described herein again.
In one embodiment, the strokes of the two piston thrust mechanisms 12 are the same. The two piston thrust mechanisms 12 have the same stroke and completely symmetrical structures, so that the inner friction plate 41 and the outer friction plate 42 can be synchronously returned by the same hydraulic pressure, and other stroke synchronization devices are not needed.
In an embodiment, referring to fig. 1 and fig. 2, a first through hole 114 and a first through hole 115 are respectively disposed at two ends of the cylinder 11, a hole diameter of the first through hole 114 is smaller than an outer diameter of the piston 121, a hole diameter of the first through hole 115 is larger than the outer diameter of the piston 121, a position of the cylinder 11 outside the first through hole 115 is disposed with a limiting groove, and a retaining ring 111 is disposed in the limiting groove. Two ends of the cylinder body 11 are respectively provided with a first through hole 114 and a first through hole 115, the aperture of the first through hole 114 is smaller than the outer diameter of the piston 121, the aperture of the first through hole 115 is larger than the outer diameter of the piston 121, the piston 121 is conveniently installed in the cylinder body 11 from the first through hole 114, a position on the cylinder body 11, which is located outside the first through hole 115, is provided with a limiting groove, the limiting groove is internally provided with a retainer ring 111, the piston 121 is limited, the moving stroke of the piston 121 is ensured, the piston 121 is prevented from falling off, and the tightness of the cylinder body 11 is improved.
In an embodiment, referring to fig. 1 and fig. 2, the cylinder 11 further includes an oil inlet cavity 116, the oil port 112 of the active return mechanism 1 is an oil inlet/outlet port 112 of the oil inlet cavity 116, and the cylinder 11 is provided with a radial oil passage 113 that communicates the oil inlet cavity 116 with an inner cavity of the cylinder 11. When braking is finished, high-pressure liquid flows into the oil inlet cavity 116 through the oil port 112, then flows into the cylinder body 11 through the radial oil passing channel 113, when the hydraulic pressure in the cylinder body 11 reaches a certain degree, acts on the piston thrust mechanisms 12 to push the piston thrust mechanisms 12 to move, and due to the fact that the internal communication is achieved, the hydraulic pressure everywhere is the same, the two piston thrust mechanisms 12 can be synchronously pushed to move, and therefore the inner friction plate 41 and the outer friction plate 42 are synchronously far away from the brake disc 3.
The shape and size of the oil inlet cavity 116 can be changed according to the actual size, shape and other requirements, so as to synchronously drive the piston thrust mechanism 12 of the movable return mechanism, and further achieve the purpose of synchronously returning the inner friction plate 41 and the outer friction plate 42.
In one embodiment, two active return mechanisms 1 are provided, wherein one active return mechanism 1 is disposed on a first side of a caliper body support 21 of a brake caliper 2 in the front-rear direction of the vehicle, and the other active return mechanism 1 is disposed on a second side of the caliper body support 21 in the front-rear direction of the vehicle. The two active return mechanisms 1 are arranged, at least two-point connection with the friction plates 4 is guaranteed, when braking is finished, the two friction plates 4 can be synchronously pushed to be away from the brake disc 3, the problem that the friction plates 4 cannot be completely returned due to the fact that only a single point can push the friction plates 4 to be inclined when one active return mechanism 1 is used is avoided, and the return performance of the brake return device is improved.
In other embodiments, other numbers of active return mechanisms 1 may be provided by adjusting the position of the friction plate 4 while ensuring that the friction plate is not deflected.
In an embodiment, referring to fig. 1 and fig. 2, the oil ports 112 of the two active return mechanisms 1 are communicated through a pipeline. The oil port 112 of one of the active return mechanisms 1 is connected to a first branch 131 of the pipeline, and the oil port 112 of the other active return mechanism 1 is connected to a second branch 132 of the pipeline. The pipeline is connected with the two active return mechanisms 1 through the oil ports 112 connected with the two active return mechanisms 1, so that the two active return mechanisms 1 can supply oil synchronously, the friction plates 4 can synchronously return, and pipeline parts are reduced.
The working principle of the brake return device of the embodiment is as follows: when braking is finished, high-pressure liquid flows into the oil inlet cavity 116 of the active return mechanism 1, and then flows into the cylinder body 11 of the active return mechanism 1 through the radial oil passing channel 113, two pistons 121 in the cylinder body 11 synchronously move towards the direction far away from the center of the cylinder body 11 under the action of the high-pressure liquid, and further two thrust rods 1221 are driven to move towards the direction far away from the brake disc 3, so that the friction plates 4 connected with the thrust rods 1221 are synchronously far away from the brake disc 3, the purpose of returning the friction plates 4 on the side of the brake disc 3 is realized, because the return of the friction plates 4 is realized by adopting a hydraulic mode, compared with the prior art, high-pressure air injection noise can not be generated, the problem that in the prior art, air pressure noise is generated when the friction plates 4 are automatically returned is solved, and the driving experience of a user is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a braking return means, its characterized in that, includes initiative return mechanism, initiative return mechanism includes cylinder body and piston thrust mechanism, piston thrust mechanism includes piston and distance rod, the piston slides and sets up in the cylinder body, the one end of distance rod is connected on the piston, the other end of distance rod is connected on the friction disc that sets up brake disc one side to when making the braking end the friction disc is in keep away from under the effect of distance rod the brake disc.
2. The brake return apparatus of claim 1, wherein the thrust rod includes a piston rod and a thrust arm, one end of the piston rod is connected to the piston, the other end of the piston rod is connected to one end of the thrust arm, the other end of the thrust arm is connected to the friction plate, and the piston rod is perpendicular to the friction plate.
3. The brake return device of claim 2, wherein a sleeve is provided at one end of the push arm, the sleeve being sleeved on the other end of the piston rod.
4. The brake return apparatus of claim 1, wherein the cylinder is secured to a caliper body bracket of a brake caliper.
5. The brake return apparatus of claim 1, wherein there are two of the piston thrusting mechanisms, and the friction plates include an inner friction plate and an outer friction plate, wherein the thrust rod of one of the piston thrusting mechanisms is connected to the inner friction plate, and the thrust rod of the other piston thrusting mechanism is connected to the outer friction plate.
6. The brake return apparatus of claim 5 wherein the strokes of the two piston thrust mechanisms are the same.
7. The brake return device according to any one of claims 1 to 6, wherein a first through hole and a second through hole are respectively formed at two ends of the cylinder body, the aperture of the first through hole is smaller than the outer diameter of the piston, the aperture of the second through hole is larger than the outer diameter of the piston, a limiting groove is formed in the cylinder body at a position outside the second through hole, and a retainer ring is arranged in the limiting groove.
8. The brake return device according to any one of claims 1 to 6, wherein the cylinder further includes an oil inlet chamber, the oil port of the active return mechanism is an oil inlet and an oil outlet of the oil inlet chamber, and the cylinder is provided with a radial oil passage communicating the oil inlet chamber with the internal cavity of the cylinder.
9. The brake return apparatus of any one of claims 1-6 wherein two active return mechanisms are provided, one of the active return mechanisms being disposed on a first side of a caliper body bracket of the brake caliper in the fore-and-aft direction of the vehicle, and the other of the active return mechanisms being disposed on a second side of the caliper body bracket in the fore-and-aft direction of the vehicle.
10. The brake return apparatus of claim 9, wherein the oil ports of the two active return mechanisms are communicated through a pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010559728.3A CN113819167A (en) | 2020-06-18 | 2020-06-18 | Braking return device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010559728.3A CN113819167A (en) | 2020-06-18 | 2020-06-18 | Braking return device |
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CN113819167A true CN113819167A (en) | 2021-12-21 |
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CN202010559728.3A Pending CN113819167A (en) | 2020-06-18 | 2020-06-18 | Braking return device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115263953A (en) * | 2022-08-15 | 2022-11-01 | 浙江博隆汽车零部件有限公司 | Hydraulic disc brake capable of automatically returning and using method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103935348A (en) * | 2014-04-15 | 2014-07-23 | 三一矿机有限公司 | Automatic restoration brake structure under hydraulic control and mining dump vehicle |
CN106969067A (en) * | 2017-04-20 | 2017-07-21 | 武汉理工大学 | It is low to drag automotive disc floating brake device and its braking method |
CN107575512A (en) * | 2017-08-10 | 2018-01-12 | 奇瑞汽车股份有限公司 | A kind of friction plate return mechanism and the air-pressure disc brake with the mechanism |
CN207246294U (en) * | 2017-09-05 | 2018-04-17 | 比亚迪股份有限公司 | Hydraulic brake caliper and automobile |
-
2020
- 2020-06-18 CN CN202010559728.3A patent/CN113819167A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103935348A (en) * | 2014-04-15 | 2014-07-23 | 三一矿机有限公司 | Automatic restoration brake structure under hydraulic control and mining dump vehicle |
CN106969067A (en) * | 2017-04-20 | 2017-07-21 | 武汉理工大学 | It is low to drag automotive disc floating brake device and its braking method |
CN107575512A (en) * | 2017-08-10 | 2018-01-12 | 奇瑞汽车股份有限公司 | A kind of friction plate return mechanism and the air-pressure disc brake with the mechanism |
CN207246294U (en) * | 2017-09-05 | 2018-04-17 | 比亚迪股份有限公司 | Hydraulic brake caliper and automobile |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115263953A (en) * | 2022-08-15 | 2022-11-01 | 浙江博隆汽车零部件有限公司 | Hydraulic disc brake capable of automatically returning and using method |
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Application publication date: 20211221 |