CN102352903B - Hydraulic brake caliper - Google Patents
Hydraulic brake caliper Download PDFInfo
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- CN102352903B CN102352903B CN 201110269124 CN201110269124A CN102352903B CN 102352903 B CN102352903 B CN 102352903B CN 201110269124 CN201110269124 CN 201110269124 CN 201110269124 A CN201110269124 A CN 201110269124A CN 102352903 B CN102352903 B CN 102352903B
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Abstract
The invention discloses a hydraulic brake caliper, which comprises a caliper body, wherein the caliper body is provided with a master brake plate and a slave brake plate, a hydraulic cylinder is arranged at one side of the master brake plate on the caliper body, and a piston is arranged in the hydraulic cylinder; one end of the hydraulic cylinder is provided with an oil inlet, the piston and one end provided with the oil inlet in the hydraulic cylinder are sealed through a leather ring, and the other end of the piston and the hydraulic cylinder are sealed through a dustproof cover; a return spring is arranged on the caliper body, and one end of the return spring is connected with the master brake plate; and an adjusting screw is arranged between the master brake plate and the piston, one end of the adjusting screw is in threaded connection with the piston, and the other end of the adjusting screw is connected with the master brake plate. The hydraulic brake caliper can solve the problems of brake lag and abrasion of the brake plates, and ensure the running safety of a vehicle.
Description
Technical field
The present invention relates to the agri-vehicle brake field, be specifically related to a kind of hydraulic brake caliper.
Background technique
The suspended hydraulic braking pincers, comprise caliper, be provided with the main brake sheet that is positioned at the brake disc both sides and from braking plate at caliper, a side that is positioned at the main brake sheet at caliper is provided with oil hydraulic cylinder, is provided with piston in oil hydraulic cylinder inside, and piston is pushed the main brake sheet to brake disc under action of hydraulic force, meanwhile, the reverse hydraulic coupling that acts on the caliper promotes from the close brake disc of braking plate, and the main brake sheet reaches and clamps brake disc from braking plate under action of hydraulic force, reaches the purpose of car brakeing.
At present, be applied to the suspended hydraulic braking pincers in the farm machinery, mainly contain two kinds, a kind of is main brake sheet and the rectangular loop control that seals when being located between piston and the oil hydraulic cylinder from the braking of braking plate and return-stroke; And because braking and the return-stroke of rectangular loop are too little, simultaneously because the complexity of agricultural mechanical operation road conditions, the two ends end face run-out of brake disc self is large, brake disc continues to produce rubbing action with the main brake sheet and from braking plate like this, thereby so that the temperature of friction plate sharply rises, and even rubescent on fire; Another kind is by force piston to be retracted by External Force Acting, and piston all is pulled back to same home position at every turn, and along with the wearing and tearing of braking plate, the distance between braking plate and brake disc increases, and brake clearance will increase.
There is following problem in the brake calipers of these two kinds of structures: on the one hand, the main brake sheet reaches from braking plate can cause self wearing and tearing under rubbing action, cause main brake sheet and reducing from braking plate thickness, thus main brake sheet and increasing from the brake clearance between braking plate and the brake disc; And under original action of hydraulic force, main brake sheet and certain from the braking distance of braking plate when the brake clearance of agricultural vehicle increases, will produce the problem of braking retardation, because road conditions are complicated during agricultural working machine, braking retardation will bring adverse influence to job stabilization and Security; On the other hand, the friction plate temperature sharply rises, and the Security that impact machinery uses causes fire easily such as operation in the farmland of dry weather.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can solve the problem that brake lags behind and the brake block frictional heating is brought, guarantee the hydraulic brake caliper of agricultural vehicle operational security.
To achieve these goals, the technical solution used in the present invention is:
Described hydraulic brake caliper comprises caliper, is provided with the main brake sheet at described caliper and reaches from braking plate, and a side that is positioned at the main brake sheet at described caliper is provided with oil hydraulic cylinder, is provided with piston in described oil hydraulic cylinder inside; Be provided with oil inlet hole at described oil hydraulic cylinder one end, the end that described piston and described oil hydraulic cylinder are provided with oil inlet hole seals by apron, and the other end and the oil hydraulic cylinder of described piston seal by dust-proof cover; Be provided with return spring at described caliper, an end of described return spring is connected with described main brake sheet; Be provided with adjusting screw between described main brake sheet and described piston, described adjusting screw one end is connected with described piston thread, and the described adjusting screw the other end is connected with described main brake sheet.
Described adjusting screw is connected by locating stud with described main brake sheet, is provided with the blind hole with internal thread at described piston middle part, and described adjusting screw is connected with the blind hole at described piston middle part.
End outer surface near described main brake sheet on described piston is provided with the lace adjusting strip, and described lace adjusting strip is sleeved on the described piston, and the outward edge of described lace adjusting strip is the tooth-shape structure that cooperates with the adjusting spanner.
Described lace adjusting strip and described piston are structure as a whole.
The return spring that is connected with described main brake sheet is three, namely increases a return spring newly, and return spring increases to three by two, and three return springs take the piston center as the symmetry center symmetry is connected in described main brake sheet on.
Described main brake sheet reaches the friction plate that is connected with steel disc by steel disc and consists of, and described return spring is connected with described steel disc, stretches out a boss along described steel disc one side, and this boss is used for connecting newly-increased return spring.
Described apron is sleeved on the described piston, is provided with circular groove at described apron.
The invention has the advantages that: the technological scheme that described hydraulic brake caliper adopts, with respect to prior art, by between main brake sheet and piston adjusting screw being set, adjusting screw is connected with piston thread; When braking plate weares and teares, by adjusting the link position between adjusting screw and the piston, change the total length of piston and adjusting screw, so that main brake sheet and reduce from the distance between the braking plate, and then can be so that the main brake sheet reaches constant from the braking between braking plate and brake disc and return gap; Can effectively solve like this brake hysteresis problem; By the link position between adjusting screw and the piston, can leave suitable brake clearance between braking plate and brake disc so that the main brake sheet reaches simultaneously, the impaired problem of the friction between braking plate and brake disc can be resolved; The present invention can solve brake hysteresis problem, can guarantee again the impaired problem of friction between braking plate and brake disc, can guarantee agricultural vehicle job stabilization and Security.
Description of drawings
The below makes brief description to the content of each width of cloth accompanying drawing expression of specification of the present invention and the mark among the figure:
Fig. 1 is the structural representation of hydraulic brake caliper of the present invention;
Fig. 2 is piston and the adjusting screw scheme of installation of hydraulic brake caliper of the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the left view of Fig. 1 hydraulic brake caliper;
Fig. 5 is the structural representation of steel disc of the main brake sheet of hydraulic brake caliper of the present invention;
Mark among the above-mentioned figure is:
1, caliper, 2, the main brake sheet, 3, from braking plate, 4, oil hydraulic cylinder, 5, piston, 6, apron, 7, return spring, 8, dust-proof cover, 9, adjusting screw, 10, the lace adjusting strip, 11, locating stud.
Embodiment
The below contrasts accompanying drawing, and the description by to optimum embodiment is described in further detail the specific embodiment of the present invention.
To shown in Figure 5, described hydraulic brake caliper comprises caliper 1 such as Fig. 1, is provided with main brake sheet 2 at caliper 1 and reaches from braking plate 3, and a side that is positioned at main brake sheet 2 at caliper 1 is provided with oil hydraulic cylinder 4, is provided with piston 5 in oil hydraulic cylinder 4 inside; Be provided with oil inlet hole at oil hydraulic cylinder 4 one ends, piston 5 seals by apron 6 with the end that oil hydraulic cylinder 4 is provided with oil inlet hole, and the other end of piston 5 and oil hydraulic cylinder 4 are by dust-proof cover 8 sealings; Be provided with return spring 7 at caliper 1, an end of return spring 7 is connected with main brake sheet 2; Be provided with adjusting screw 9 between main brake sheet 2 and piston 5, adjusting screw 9 one ends are threaded with piston 5, and adjusting screw 9 the other ends are connected with main brake sheet 2.
During described hydraulic brake caliper work, hydraulic oil enters in the oil hydraulic cylinder 4 from oil inlet hole, and piston 5 promotes main brake sheet 2 and is affixed to brake disc braking, return spring 7 stressed tensionings under the oil pressure effect; After the end of braking, hydraulic oil is return, and return spring 7 drives piston 5 and returns to original position, and braking and return gap are that the main brake sheet 2 of caliper 1 under free state reaches the width that deducts brake disc from the distance of 3 of braking plates; By between main brake sheet 2 and piston 5 adjusting screw 9 being set, adjusting screw 9 is threaded with piston 5; When braking plate weares and teares, main brake sheet 2 and increase from the distance between braking plate 3; By adjusting the link position between adjusting screw 9 and the piston 5, change the total length of piston 5 and adjusting screw 9, it is outwards mobile to promote main brake sheet 2, and then so that main brake sheet 2 and remain unchanged from the distance of 3 of braking plates, brake and the return gap constant; Under the same like this oil pressure effect, piston 5 promotes main brake sheet 2 and is affixed to the brake disc braking from braking plate 3 under the oil pressure effect, can solve brake hysteresis problem; By the link position between adjusting screw 9 and the piston 5, can leave suitable brake clearance between braking plate 3 and brake disc so that main brake sheet 2 reaches simultaneously, the impaired problem of the friction between braking plate and brake disc can be resolved.
When guaranteeing that link position between adjusting screw 9 and the piston 5 changes, move without relative position between piston 5 and the adjusting screw 9, further guarantee the braking effect of brake calipers; Adjusting screw 9 is connected by locating stud 11 with main brake sheet 2, is provided with the blind hole with internal thread at piston 5 middle parts, and adjusting screw 9 is connected with the blind hole at piston 5 middle parts.
When changing for the link position between assurance adjusting screw 9 and the piston 5, regulate quick and convenient, end outer surface near main brake sheet 2 on piston 5 is provided with lace adjusting strip 10, lace adjusting strip 10 is sleeved on the piston 5, and the outward edge of lace adjusting strip 10 is the tooth-shape structure that cooperates with the adjusting spanner; When there is retardation phenomenon in brake, only need to get final product after regulating spanner and the tooth-shape structure of lace adjusting strip 10 cooperating piston being rotated to correct position like this; Lace adjusting strip 10 can be one-body molded with piston 5, can reduce assembly cost like this, and lace adjusting strip 10 is structure as a whole with piston 5.
For further guaranteeing the braking effect of described hydraulic brake caliper, better solve brake hysteresis problem, a newly-increased return spring 7, return spring 7 increases to three by two like this, the return spring 7 that namely is connected with main brake sheet 2 is three, and three return springs 7 are connected on the main brake sheet 2 take the piston center as the symmetry center symmetry, when guaranteeing piston 5 return, the returning place force of return spring 7 acts on piston 5 central positions, guarantees that braking is smooth-going; Main brake sheet 2 reaches the friction plate that is connected with steel disc by steel disc and consists of, and return spring 7 is connected with steel disc, stretches out a boss along steel disc one side, and this boss is used for connecting newly-increased return spring 7, and the steel disc structure as shown in Figure 5.
For preventing that oil hydraulic cylinder 4 from leaking, need to guarantee the sealing of piston 5 and oil hydraulic cylinder 4, apron 6 is sleeved on the piston 5, is provided with circular groove at apron 6; When hydraulic oil pressure is on apron 6 like this, circular groove in tensioning under the oil pressure effect so that apron 6 tightly be attached on oil hydraulic cylinder 4 internal surfaces so that 4 good airproof performances of piston 5 and oil hydraulic cylinder; When the link position between adjusting screw 9 and the piston 5 changes simultaneously, when end of braking piston 5 is return, need overcome the frictional force between apron 6 and oil hydraulic cylinder 4 inwalls, the stable connection performance between adjusting screw 9 and the piston 5 is further guaranteed.
The above has carried out exemplary description to the present invention; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technological scheme carry out; or without improving design of the present invention and technological scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (4)
1. hydraulic brake caliper, comprise caliper (1), be provided with main brake sheet (2) at described caliper (1) and reach from braking plate (3), a side that is positioned at main brake sheet (2) at described caliper (1) is provided with oil hydraulic cylinder (4), is provided with piston (5) in described oil hydraulic cylinder (4) inside; Be provided with oil inlet hole at described oil hydraulic cylinder (4) one ends, described piston (5) seals by apron (6) with the end that described oil hydraulic cylinder (4) is provided with oil inlet hole, and the other end of described piston (5) and oil hydraulic cylinder (4) are by dust-proof cover (8) sealing; Be provided with return spring (7) at described caliper (1), an end of described return spring (7) is connected with described main brake sheet (2); It is characterized in that: between described main brake sheet (2) and described piston (5), be provided with adjusting screw (9), described adjusting screw (9) one ends are threaded with described piston (5), and described adjusting screw (9) the other end is connected with described main brake sheet (2);
Described adjusting screw (9) is connected by locating stud (11) with described main brake sheet (2), is provided with the blind hole with internal thread at described piston (5) center, and described adjusting screw (9) is connected with the blind hole at described piston (5) center;
Be provided with lace adjusting strip (10) at the upper end outer surface near described main brake sheet (2) of described piston (5), described lace adjusting strip (10) is sleeved on the described piston (5), and the outward edge of described lace adjusting strip (10) is the tooth-shape structure that cooperates with the adjusting spanner.
2. according to hydraulic brake caliper claimed in claim 1, it is characterized in that: described lace adjusting strip (10) is structure as a whole with described piston (5).
3. according to hydraulic brake caliper claimed in claim 2, it is characterized in that: the return spring (7) that is connected with described main brake sheet (2) is three, and three return springs (7) take the piston center as the symmetry center symmetry is connected in described main brake sheet (2) on.
4. according to hydraulic brake caliper claimed in claim 3, it is characterized in that: described apron (6) is sleeved on the described piston (5), is provided with circular groove at described apron (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110269124 CN102352903B (en) | 2011-09-13 | 2011-09-13 | Hydraulic brake caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110269124 CN102352903B (en) | 2011-09-13 | 2011-09-13 | Hydraulic brake caliper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102352903A CN102352903A (en) | 2012-02-15 |
| CN102352903B true CN102352903B (en) | 2013-04-03 |
Family
ID=45576532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110269124 Active CN102352903B (en) | 2011-09-13 | 2011-09-13 | Hydraulic brake caliper |
Country Status (1)
| Country | Link |
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| CN (1) | CN102352903B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632943A (en) * | 2013-11-07 | 2015-05-20 | 上海汇众汽车制造有限公司 | Disc brake |
| CN105003572B (en) * | 2015-07-16 | 2017-09-22 | 芜湖稳乐制动***有限公司 | A kind of self-adjustable hydraulic brake caliper assembly |
| CN105179525A (en) * | 2015-10-22 | 2015-12-23 | 王宪立 | Hydraulic brake device of combine harvester |
| CN106641026B (en) * | 2016-12-02 | 2018-11-06 | 山东交通学院 | A kind of automatic continuous adjustable drum brake in gap |
| CN113107998B (en) * | 2021-04-08 | 2022-07-05 | 玉环思安安全设备股份有限公司 | Brake caliper piston return device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4645038A (en) * | 1984-11-21 | 1987-02-24 | Bendix France | Disc brake |
| CN2764999Y (en) * | 2005-01-14 | 2006-03-15 | 万安集团有限公司 | Single-piston type mechanical floating brake |
| CN201916395U (en) * | 2010-11-24 | 2011-08-03 | 青岛华瑞汽车零部件有限公司 | Floating caliper disk brake |
| CN202280769U (en) * | 2011-09-13 | 2012-06-20 | 芜湖稳乐制动***有限公司 | Novel hydraulic brake caliper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53117168A (en) * | 1977-03-23 | 1978-10-13 | Akebono Brake Ind Co Ltd | Negative brake gap regulator |
-
2011
- 2011-09-13 CN CN 201110269124 patent/CN102352903B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4645038A (en) * | 1984-11-21 | 1987-02-24 | Bendix France | Disc brake |
| CN2764999Y (en) * | 2005-01-14 | 2006-03-15 | 万安集团有限公司 | Single-piston type mechanical floating brake |
| CN201916395U (en) * | 2010-11-24 | 2011-08-03 | 青岛华瑞汽车零部件有限公司 | Floating caliper disk brake |
| CN202280769U (en) * | 2011-09-13 | 2012-06-20 | 芜湖稳乐制动***有限公司 | Novel hydraulic brake caliper |
Non-Patent Citations (1)
| Title |
|---|
| JP昭53-117168A 1978.10.13 |
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| Publication number | Publication date |
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| CN102352903A (en) | 2012-02-15 |
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