CN102352903A - Hydraulic brake caliper - Google Patents
Hydraulic brake caliper Download PDFInfo
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- CN102352903A CN102352903A CN2011102691246A CN201110269124A CN102352903A CN 102352903 A CN102352903 A CN 102352903A CN 2011102691246 A CN2011102691246 A CN 2011102691246A CN 201110269124 A CN201110269124 A CN 201110269124A CN 102352903 A CN102352903 A CN 102352903A
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- piston
- main brake
- brake sheet
- hydraulic cylinder
- adjusting screw
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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 braking pincers.
Background technique
The suspended hydraulic braking pincers; Comprise caliper; On caliper, be provided with the main brake sheet that is positioned at the brake disc both sides and from braking plate; A side that on caliper, is positioned at the main brake sheet 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 under action of hydraulic force, clamps brake disc from braking plate, 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 the 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 big; Brake disc continues to produce rubbing action with the main brake sheet and from braking plate like this; Thereby it is make the temperature of friction plate sharply rise, and even rubescent on fire; Another kind is that outer power effect retracts piston by force, 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 influence machinery uses causes fire easily like operation in the farmland of dry weather.
Summary of the invention
The objective of the invention is to overcome the deficiency of 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 braking pincers of agricultural vehicle operational security.
To achieve these goals, the technological scheme of the present invention's employing is:
Said hydraulic braking pincers comprise caliper, on said caliper, are provided with the main brake sheet and reach from braking plate, and a side that on said caliper, is positioned at the main brake sheet is provided with oil hydraulic cylinder, is provided with piston in said oil hydraulic cylinder inside; Be provided with oil inlet hole at said oil hydraulic cylinder one end, said piston and said oil hydraulic cylinder are provided with an end of oil inlet hole through the apron sealing, and the other end of said piston and oil hydraulic cylinder are through the dust-proof cover sealing; On said caliper, be provided with return spring, an end of said return spring is connected with said main brake sheet; Between said main brake sheet and said piston, be provided with adjusting screw, said adjusting screw one end is connected with said piston thread, and the said adjusting screw the other end is connected with said main brake sheet.
Said adjusting screw is connected through locating stud with said main brake sheet, is provided with the blind hole that has internal thread at said piston middle part, and said adjusting screw is connected with the blind hole at said piston middle part.
End outer surface near said main brake sheet on said piston is provided with the lace adjusting strip, and said lace adjusting strip is sleeved on the said piston, and the outward edge of said lace adjusting strip is and regulates the tooth-shape structure that spanner cooperates.
Said lace adjusting strip and said piston are structure as a whole.
The return spring that is connected with said main brake sheet is three, promptly increases a return spring newly, and return spring increases to three by two, and three return springs are connected on the said main brake sheet for the symmetry center symmetry with the centre.
Said main brake sheet reaches the friction plate that is connected with steel disc by steel disc and constitutes, and said return spring is connected with said steel disc, stretches out a boss along said steel disc one side, and this boss is used to connect newly-increased return spring.
Said apron is sleeved on the said piston, on said apron, is provided with circular groove.
The invention has the advantages that: the technological scheme that said hydraulic braking pincers adopt, with respect to prior art, through between main brake sheet and piston, adjusting screw being set, adjusting screw is connected with piston thread; When braking plate weares and teares; Through the link position between adjustment adjusting screw and the piston; Change the total length of piston and adjusting screw, make main brake sheet and reduce, and then it is constant from braking between braking plate and brake disc and return gap to make that the main brake sheet reaches from the distance between the braking plate; Can effectively solve the brake delay problem like this; Through the link position between adjusting screw and the piston, can make the main brake sheet reach and leave suitable brake clearance that the impaired problem of the friction between braking plate and brake disc can be resolved simultaneously between braking plate and brake disc; The present invention can solve the brake delay problem, can guarantee the impaired problem of friction between braking plate and brake disc again, can guarantee agricultural vehicle job stabilization and Security.
Description of drawings
Face the content of each width of cloth accompanying drawing expression of specification of the present invention and the mark among the figure down and make brief description:
Fig. 1 is the structural representation of hydraulic braking pincers of the present invention;
Fig. 2 is the piston and the adjusting screw scheme of installation of hydraulic braking pincers of the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the left view of Fig. 1 hydraulic braking pincers;
Fig. 5 is the structural representation of the steel disc of the main brake sheet of hydraulic braking pincers 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
Contrast accompanying drawing below, through the description to optimum embodiment, specific embodiments of the invention is done further detailed explanation.
To shown in Figure 5, said hydraulic braking pincers comprise caliper 1 like Fig. 1, on caliper 1, are provided with main brake sheet 2 and reach from braking plate 3, and a side that on caliper 1, is positioned at main brake sheet 2 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 through 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 through dust-proof cover 8 sealings; On caliper 1, be provided with return spring 7, an end of return spring 7 is connected with main brake sheet 2; Between main brake sheet 2 and piston 5, be provided with adjusting screw 9, adjusting screw 9 one ends are threaded with piston 5, and adjusting screw 9 the other ends are connected with main brake sheet 2.
When said hydraulic braking pincers worker was done, hydraulic oil got 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; Through 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; Through the link position between adjustment adjusting screw 9 and the piston 5, change the total length of piston 5 and adjusting screw 9, promote main brake sheet 2 and outwards move, and then make 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 the brake delay problem; Through the link position between adjusting screw 9 and the piston 5, can make main brake sheet 2 reach and leave suitable brake clearance that the impaired problem of the friction between braking plate and brake disc can be resolved simultaneously between braking plate 3 and brake disc.
When guaranteeing that link position between adjusting screw 9 and the piston 5 changes, no relative position moves between piston 5 and the adjusting screw 9, further guarantees the braking effect of brake calipers; Adjusting screw 9 is connected through locating stud 11 with main brake sheet 2, is provided with the blind hole that has 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 and regulates the tooth-shape structure that spanner cooperates; When there is retardation phenomenon in brake, only need to get final product like this with after regulating spanner and the tooth-shape structure of lace adjusting strip 10 cooperating piston being rotated to correct position; 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 said hydraulic braking pincers; Better solve the brake delay problem; A newly-increased return spring 7; Return spring 7 increases to three by two like this; The return spring 7 that promptly is connected with main brake sheet 2 is three, and three return springs 7 with the centre for the symmetry center symmetry is connected on the main brake sheet 2, when guaranteeing piston 5 returns; 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 constitutes, and return spring 7 is connected with steel disc, stretches out a boss along steel disc one side, and this boss is used to connect 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, on apron 6, is provided with circular groove; Hydraulic oil pressure was in 6 last times of apron like this, and circular groove makes apron 6 tightly be attached on oil hydraulic cylinder 4 internal surfaces in tensioning under the oil pressure effect, made 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 connective stability between adjusting screw 9 and the piston 5 can further be guaranteed.
Above the present invention has been carried out exemplary description; Obviously the concrete realization 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 design of the present invention and technological scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (7)
1. hydraulic braking pincers comprise caliper (1), on said caliper (1), are provided with main brake sheet (2) and reach from braking plate (3), and a side that on said caliper (1), is positioned at main brake sheet (2) is provided with oil hydraulic cylinder (4), is provided with piston (5) in said oil hydraulic cylinder (4) inside; Be provided with oil inlet hole at said oil hydraulic cylinder (4) one ends, said piston (5) seals through apron (6) with the end that said oil hydraulic cylinder (4) is provided with oil inlet hole, and the other end of said piston (5) and oil hydraulic cylinder (4) are through dust-proof cover (8) sealing; On said caliper (1), be provided with return spring (7), an end of said return spring (7) is connected with said main brake sheet (2); It is characterized in that: between said main brake sheet (2) and said piston (5), be provided with adjusting screw (9), said adjusting screw (9) one ends are threaded with said piston (5), and said adjusting screw (9) the other end is connected with said main brake sheet (2).
2. according to the described hydraulic braking pincers of claim 1; It is characterized in that: said adjusting screw (9) is connected through locating stud (11) with said main brake sheet (2); Be provided with the blind hole that has internal thread at said piston (5) center, said adjusting screw (9) is connected with the blind hole at said piston (5) center.
3. according to claim 1 or 2 described hydraulic braking pincers; It is characterized in that: an end outer surface of going up near said main brake sheet (2) at said piston (5) is provided with lace adjusting strip (10); Said lace adjusting strip (10) is sleeved on the said piston (5), and the outward edge of said lace adjusting strip (10) is and regulates the tooth-shape structure that spanner cooperates.
4. according to the described hydraulic braking pincers of claim 3, it is characterized in that: said lace adjusting strip (10) is structure as a whole with said piston (5).
5. according to the described hydraulic braking pincers of claim 4, it is characterized in that: the return spring (7) that is connected with said main brake sheet (2) is three, and three return springs (7) are connected on the said main brake sheet (2) for the symmetry center symmetry with the centre.
6. according to the described hydraulic braking pincers of claim 5; It is characterized in that: said main brake sheet (2) reaches the friction plate that is connected with steel disc by steel disc and constitutes; Said return spring (7) is connected with said steel disc; Stretch out a boss along said steel disc one side, this boss is used to connect newly-increased return spring (7).
7. according to the described hydraulic braking pincers of claim 6, it is characterized in that: said apron (6) is sleeved on the said piston (5), on said apron (6), is provided with circular groove.
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 true CN102352903A (en) | 2012-02-15 |
| CN102352903B CN102352903B (en) | 2013-04-03 |
Family
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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 |
|---|---|
| CN (1) | CN102352903B (en) |
Cited By (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 |
| CN105003572A (en) * | 2015-07-16 | 2015-10-28 | 芜湖稳乐制动***有限公司 | Self-adjusting type hydraulic brake caliper assembly |
| CN105179525A (en) * | 2015-10-22 | 2015-12-23 | 王宪立 | Hydraulic brake device of combine harvester |
| CN106641026A (en) * | 2016-12-02 | 2017-05-10 | 山东交通学院 | Drum type brake with automatic and continuous adjustable gap |
| WO2022213436A1 (en) * | 2021-04-08 | 2022-10-13 | 玉环思安安全设备股份有限公司 | Brake clamp piston return device |
Citations (5)
| 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 |
| 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 |
-
2011
- 2011-09-13 CN CN 201110269124 patent/CN102352903B/en active Active
Patent Citations (5)
| 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 |
| 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 |
Cited By (6)
| 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 |
| CN105003572A (en) * | 2015-07-16 | 2015-10-28 | 芜湖稳乐制动***有限公司 | Self-adjusting type hydraulic brake caliper assembly |
| CN105179525A (en) * | 2015-10-22 | 2015-12-23 | 王宪立 | Hydraulic brake device of combine harvester |
| CN106641026A (en) * | 2016-12-02 | 2017-05-10 | 山东交通学院 | Drum type brake with automatic and continuous adjustable gap |
| CN106641026B (en) * | 2016-12-02 | 2018-11-06 | 山东交通学院 | A kind of automatic continuous adjustable drum brake in gap |
| WO2022213436A1 (en) * | 2021-04-08 | 2022-10-13 | 玉环思安安全设备股份有限公司 | Brake clamp piston return device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102352903B (en) | 2013-04-03 |
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