CN104565143A - Automatic adjustment brake caliper - Google Patents
Automatic adjustment brake caliper Download PDFInfo
- Publication number
- CN104565143A CN104565143A CN201510015128.XA CN201510015128A CN104565143A CN 104565143 A CN104565143 A CN 104565143A CN 201510015128 A CN201510015128 A CN 201510015128A CN 104565143 A CN104565143 A CN 104565143A
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- Prior art keywords
- friction plate
- piston
- caliper
- sawtooth
- spring
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Abstract
The invention discloses an automatic adjustment brake caliper. The automatic adjustment brake caliper comprises a support and a caliper body, wherein a first friction plate and a second friction plate are installed in the support, a piston cavity is formed in the caliper body, a piston is installed in the piston cavity, a return bolt is arranged on the caliper body, a compensation adjustment device is arranged on the caliper body, the compensation adjustment device comprises an adjustment rod, a saw tooth locking plate, an adjustment spring and a spring top block, a concave hole is formed in the outer side of the bottom of the piston, the head of the adjustment rod is stretched into the concave hole, a hole-shaped check ring is arranged on the concave hole, a saw tooth is arranged at the tail of the adjustment rod, the saw tooth locking plate is meshed with the saw tooth in matching mode, the spring top block is fixed on the outer side of the saw tooth locking plate, and the spring top block is pressed against the saw tooth locking plate through the adjustment spring. The automatic adjustment brake caliper is ingenious in structure, can automatically perform automatic adjustment according to changes of states of the friction plates, overcomes the problem that a braking distance is increased, and guarantees effective braking.
Description
Technical field
The present invention relates to agricultural machinery technology, be specially a kind of brake calipers be installed on agricultural harvesting machinery and other power equipment.
Background technique
Agricultural machinery is provided with brake calipers to brake.The structure of traditional braking pincers is primarily of compositions such as caliper, support, piston, friction plate, return assemblies.When needing braking, compress braking pedal, high pressure oil proceeds to promote piston movement in caliper cylinder holes, and piston actuated friction plate realizes braking to brake disc laminating.The releasing of brake pedal when needs terminate braking, high pressure oil gets back to master cylinder, and the active force that high pressure oil is applied on piston stops, and now friction plate drives piston return under the effect of return assembly.
In working procedure, the wearing and tearing of friction plate can increase gradually, the less thick of friction plate, and the original state after return and the gap between brake disc can increase gradually.Which results in the growth along with the time, the braking formation of brake calipers can become long, cannot effective brake.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of pincers of adjustable brake automatically, it can regulate the initial position of friction plate to carry out the wear extent of friction compensation sheet automatically, ensures that braking effectively.
The present invention is achieved by the following technical solutions:
A kind of pincers of adjustable brake automatically, comprise support and be fixed on the caliper on support by guide pillar, first friction plate parallel to each other and the second friction plate are installed in support, caliper is provided with piston cavity in the outside of the first friction plate, the piston that can promote the first friction plate and move to the second friction plate is installed in piston cavity, caliper is provided with and is placed on a return spring and the return bolt be fixedly connected with the first friction plate through caliper outer wall, described caliper is provided with compensation adjustment device, described compensation adjustment device comprises adjustable lever, sawtooth locking plate, Regulation spring and spring jacking block, the outside of piston base is provided with shrinkage pool, its head extend in shrinkage pool through a duct be located on caliper by adjustable lever, shrinkage pool is provided with the pass back-up ring of restriction adjustable lever head and piston relative motion within the specific limits, the afterbody of adjustable lever is provided with the sawtooth reverse with adjustable lever head, sawtooth locking plate mates with sawtooth and engages, spring jacking block is fixed on the outside of sawtooth locking plate, by Regulation spring and sawtooth locking plate apical grafting.
As preferred embodiment, between described adjustable lever and duct, be provided with some O RunddichtringOs.
As preferred embodiment, between the sidewall of described piston and piston cavity, be provided with rectangular seal.
As preferred embodiment, sawtooth is distributed in the relative both sides of adjustable lever head, sawtooth locking plate, spring jacking block and Regulation spring have two respectively, two sawtooth locking plates respectively with the engagement of both sides, two spring jacking blocks are located at the outside of two sawtooth locking plates respectively, respectively by Regulation spring and corresponding sawtooth locking plate apical grafting.
As preferred embodiment, the periphery of described guide pillar is provided with guide pillar guard shield.
As preferred embodiment, described caliper is provided with two groups of return bolts, is connected respectively with the two ends of the first friction plate.
The invention has the beneficial effects as follows: when pass back-up ring set-up mode of the present invention makes piston movable within the specific limits, adjustable lever action can not be driven, braking distance required when this scope is not worn and torn with friction plate is corresponding, namely when friction plate does not wear and tear, piston only understands own activity, and adjustable lever is inoperative; When friction plate generation wear-thickness is thinning, the stroke that piston actuated friction plate realizes braking increases, beyond the scope that pass back-up ring limits, piston can drive adjustable lever action in the later stage of braking distance, adjustable lever is once can not rollback under the position-limiting action of sawtooth after mobile, therefore this braking complete after adjustable lever just can move to new position, piston is conditioned masthead after end of braking, make friction plate when initial position more near brake disc, thus offset the braking distance increase problem produced because of friction disc wear.Structure of the present invention is ingenious, automatically can automatically adjust according to the change of friction plate state, overcome the problem that braking distance increases, and ensures that braking effectively.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present invention.
Description of reference numerals: 1-support, 2-caliper, 3-first friction plate, 4-second friction plate, 5-piston, 6-return spring, 7-return bolt, 8-guide pillar, 9-guide pillar guard shield, 10-piston cavity, 11-adjustable lever, 12-sawtooth locking plate, 13-Regulation spring, 14-spring jacking block, 15-shrinkage pool, 16-duct, 17-pass back-up ring, 18-O RunddichtringO, 19-rectangular seal.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to Fig. 1, brake calipers of the present invention forms primarily of support 1, caliper 2, first friction plate 3, second friction plate 4, piston 5, return spring 6, return bolt 7 and compensation adjustment device.
Support 1 and caliper 2 are fixed by guide pillar 8, and the outside of guide pillar 8 is preferably provided with guide pillar guard shield 9, to protect reliably guide pillar.
First friction plate 3 and the second friction plate 4 are installed in support 1, and both are opposing parallel.During assembling, the first friction plate 3 and the second friction plate 4 are placed in the both sides of brake disc respectively.Usually, the first friction plate 3 is active friction plate, and the second friction plate 4 is slave mode friction plate, i.e. first friction plate 3 action by external force drives, and the second friction plate 4 then follows the first friction plate 3 action.
Caliper 2 is provided with piston cavity 10 in the outside of the first friction plate 3, and piston 5 is installed in piston cavity 10.Piston 5 can promote the first friction plate 3 and move to the second friction plate 4 when high pressure oil enters, to realize braking.Return spring 6 is placed on return bolt 7, and return bolt 7 is fixedly connected with the first friction plate 3 of inside through after caliper outer wall.This return bolt 7 is preferably provided with two groups, fixes respectively with the two ends of the first friction plate 3, thus plays better return driving effect.
Improvement of the present invention is to be provided with compensation adjustment device on caliper.As shown in the figure, compensation adjustment device specifically comprises adjustable lever 11, sawtooth locking plate 12, Regulation spring 13 and spring jacking block 14.Outside bottom piston 5 is provided with shrinkage pool 15, and its head extend in shrinkage pool 15 through a duct 16 be located on caliper 2 by adjustable lever 11, and shrinkage pool 15 is provided with the pass back-up ring 17 of restriction adjustable lever 11 head and piston 5 relative motion within the specific limits.For the ease of limiting, the head of adjustable lever 11 is generally provided with nib.The afterbody of adjustable lever 11 is provided with the sawtooth reverse with adjustable lever 11 head, and sawtooth locking plate 12 mates with sawtooth and engages, and spring jacking block 14 is fixed on the outside of sawtooth locking plate 12, by Regulation spring 13 and sawtooth locking plate 12 apical grafting.Preferably, sawtooth is distributed in the relative both sides of adjustable lever 11 head, sawtooth locking plate 12, spring jacking block 14 and Regulation spring 13 have two respectively, two sawtooth locking plates 12 respectively with the engagement of both sides, two spring jacking blocks 14 are located at the outside of two sawtooth locking plates 12 respectively, respectively by Regulation spring 13 and corresponding sawtooth locking plate 12 apical grafting.
In order to increase overall sealing, being provided with some O RunddichtringOs 18 between adjustable lever 11 and duct 16, between the sidewall of piston 5 and piston cavity 10, being provided with rectangular seal 19.
Pass back-up ring set-up mode of the present invention can not drive adjustable lever action when making piston movable within the specific limits, and braking distance required when this scope is not worn and torn with friction plate is corresponding, and when namely friction plate does not wear and tear, piston only understands own activity, and adjustable lever is inoperative.When friction plate generation wear-thickness is thinning, the stroke that piston actuated friction plate realizes braking increases, beyond the scope that pass back-up ring limits, piston can drive adjustable lever action (for moving down in Fig. 1) in the later stage of braking distance, adjustable lever is once can not rollback under the position-limiting action of sawtooth after mobile, therefore this braking complete after adjustable lever just can move to new position, piston is conditioned masthead after end of braking, make friction plate when initial position more near brake disc, thus offset the braking distance increase problem produced because of friction disc wear.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. automatic adjustable brake pincers, comprise support and be fixed on the caliper on support by guide pillar, first friction plate parallel to each other and the second friction plate are installed in support, caliper is provided with piston cavity in the outside of the first friction plate, the piston that can promote the first friction plate and move to the second friction plate is installed in piston cavity, caliper is provided with and is placed on a return spring and the return bolt be fixedly connected with the first friction plate through caliper outer wall, it is characterized in that: described caliper is provided with compensation adjustment device, described compensation adjustment device comprises adjustable lever, sawtooth locking plate, Regulation spring and spring jacking block, the outside of piston base is provided with shrinkage pool, its head extend in shrinkage pool through a duct be located on caliper by adjustable lever, shrinkage pool is provided with the pass back-up ring of restriction adjustable lever head and piston relative motion within the specific limits, the afterbody of adjustable lever is provided with the sawtooth reverse with adjustable lever head, sawtooth locking plate mates with sawtooth and engages, spring jacking block is fixed on the outside of sawtooth locking plate, by Regulation spring and sawtooth locking plate apical grafting.
2. the automatic adjustable brake pincers of one according to claim 1, is characterized in that: be provided with some O RunddichtringOs between described adjustable lever and duct.
3. the automatic adjustable brake pincers of one according to claim 1, is characterized in that: be provided with rectangular seal between the sidewall of described piston and piston cavity.
4. the automatic adjustable brake pincers of one according to claim 1, it is characterized in that: sawtooth is distributed in the relative both sides of adjustable lever head, sawtooth locking plate, spring jacking block and Regulation spring have two respectively, two sawtooth locking plates respectively with the engagement of both sides, two spring jacking blocks are located at the outside of two sawtooth locking plates respectively, respectively by Regulation spring and corresponding sawtooth locking plate apical grafting.
5. the automatic adjustable brake pincers of one according to claim 1, is characterized in that: the periphery of described guide pillar is provided with guide pillar guard shield.
6. the automatic adjustable brake pincers of one according to claim 1, is characterized in that: described caliper is provided with two groups of return bolts, is connected respectively with the two ends of the first friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015128.XA CN104565143B (en) | 2015-01-12 | 2015-01-12 | One is automatically adjusted caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015128.XA CN104565143B (en) | 2015-01-12 | 2015-01-12 | One is automatically adjusted caliper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104565143A true CN104565143A (en) | 2015-04-29 |
| CN104565143B CN104565143B (en) | 2016-12-28 |
Family
ID=53081949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510015128.XA Expired - Fee Related CN104565143B (en) | 2015-01-12 | 2015-01-12 | One is automatically adjusted caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104565143B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2142829B1 (en) * | 1971-06-25 | 1973-05-25 | Pont A Mousson Fond | |
| GB1354631A (en) * | 1972-01-24 | 1974-06-05 | Automotive Prod Co Ltd | Disc brakes |
| DE19521634A1 (en) * | 1995-06-14 | 1996-12-19 | Teves Gmbh Alfred | Disc brake with automatic adjustment device |
| JP5368528B2 (en) * | 2011-10-17 | 2013-12-18 | 日信工業株式会社 | Mechanical disc brake for stationary |
| CN102518718B (en) * | 2011-12-09 | 2013-12-04 | 浙江大学台州研究院 | Automobile electromechanical brake |
| CN202468802U (en) * | 2011-12-14 | 2012-10-03 | 惠军涛 | State self-locking remaining brake |
| TWI485336B (en) * | 2012-10-29 | 2015-05-21 | Lioho Machine Works Ltd | Disc Brake Brake |
| CN103711820B (en) * | 2013-09-13 | 2016-09-14 | 重庆昌德成电子有限公司 | One compensates mechanical disc-type brake automatically |
| CN103912610B (en) * | 2014-03-28 | 2017-02-08 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hydraulically driven service brake |
| CN204372003U (en) * | 2015-01-12 | 2015-06-03 | 安徽嘉瑞达汽车部件制造有限公司 | A kind of pincers of adjustable brake automatically |
-
2015
- 2015-01-12 CN CN201510015128.XA patent/CN104565143B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104565143B (en) | 2016-12-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |