CN102562884B - Air disc brake - Google Patents
Air disc brake Download PDFInfo
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- CN102562884B CN102562884B CN 201210048515 CN201210048515A CN102562884B CN 102562884 B CN102562884 B CN 102562884B CN 201210048515 CN201210048515 CN 201210048515 CN 201210048515 A CN201210048515 A CN 201210048515A CN 102562884 B CN102562884 B CN 102562884B
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- caliper
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- driven
- regulating mechanism
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Abstract
The invention discloses an air disc brake, which is provided with two driven adjusting mechanisms respectively located on two sides of a drive adjusting mechanism. Each of the driven adjusting mechanisms is provided with a driven gear, the drive adjusting mechanism is provided with a drive gear, the two driven gears mesh with the drive gear, and the two driven adjusting mechanisms are connected with a push disc. The push disc is pushed by the two driven adjusting mechanisms, and thrust of the two driven adjusting mechanism is transmitted to the push disc by the aid of the same drive adjusting mechanism in the same transmission manner and is uniform, so that the push disc can be driven to move stably, a brake block can be stressed uniformly, eccentric wear of the brake block can be avoided effectively, and the brake has higher stability and reliability in braking.
Description
Technical field
The present invention relates to a kind of air-pressure disc brake.
Background technique
Recent years, disk type braker with its compact structure, braking steadily, thermal diffusivity is good etc., and advantage begins to set foot in the Light-duty Vehicle high-end field, because spatial constraints, heavy truck can't simply be used for Light-duty Vehicle through reduced volume with disk type braker, Light-duty Vehicle is adapted to 17.5 〞 wheel rims with air-pressure disc brake more at present, this wheel rim and tire cost are higher, and 16 〞 that domestic general user cost is lower have inner tube of a tyre wheel rim; And regulating mechanism adopts single selection structure, and brake slipper is stressed bigger, quick abrasion, and also it is inhomogeneous to wear and tear, and braking is unstable, and reduce the working life of brake slipper and brake disc.And disk type braker is the critical component that is related to vehicle safety, and it is extremely urgent with insensitivity, reliability and the life-span of disk type braker how to improve Light-duty Vehicle.
Existing double-push-disc formula break, be to comprise initiatively a regulating mechanism and a driven regulating mechanism, push-plate is promoted by active regulating mechanism and driven regulating mechanism, because the thrust of driven regulating mechanism is obtained by the gear train transmission by the active regulating mechanism, can cause active regulating mechanism and driven regulating mechanism inhomogeneous to the thrust of push-plate, insensitivity is poor.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of insensitivity good air-pressure disc brake.
In order to solve the problems of the technologies described above, the present invention includes bearing system, reinforcement adjust system and friction pair, the reinforcement adjust system comprises lever system and adjust system, adjust system comprises initiatively regulating mechanism, driven regulating mechanism, fixed plate and push-plate, fixed plate is by being bolted on the caliper, initiatively regulating mechanism and driven regulating mechanism are arranged on the fixed plate, described driven regulating mechanism has two, two driven regulating mechanisms are positioned at the initiatively both sides of regulating mechanism, respectively be provided with a driven gear on the two driven regulating mechanisms, initiatively regulating mechanism is provided with driving gear, and two driven gears all mesh with driving gear, and two driven regulating mechanisms are connected with push-plate.
Described bearing system comprises and is used to carry the carriage of friction pair and is used to carry the caliper of reinforcement adjust system, carriage is connected by pin slide with caliper, lever system comprises lever, first quarter moon bearing and straight pin, the first quarter moon bearing is arranged on the lever, straight pin connects lever and driven regulating mechanism, caliper is the integrated type caliper, and caliper self has first quarter moon loading ability of bearing structure and lever limit structure.Because the special construction of caliper can save parts such as bearing support, lever limit stoper, effectively reduces the volume of break, being highly suitable for domestic 16 general 〞 has inner tube of a tyre wheel rim.
Be provided with the axial limiting structure of straight pin in the described lever system, the axial limiting structure of straight pin comprises catch and rivet or bolt, and catch is by rivet or be bolted to the end of lever, and the catch retaining is in the outside of straight pin.Because lever system carries the straight pin limit structure, can save the lever limit stoper of lever system peripheral hardware, effectively reduces the volume of break.
In order to prevent to connect the fixed plate of regulating mechanism and the bolt looseness of caliper, be provided with two groups of limit structures between described fixed plate and the caliper, limit structure comprises limit dais A that is arranged on the caliper and the limit dais B that is arranged on the fixed plate, two limit dais B in two groups of limit structures are between two limit dais A, when not having relative movement trend between fixed plate and the caliper, distance has certain interval between the limit dais A of every group of limit structure and the limit dais B.
In order to open better position-limiting action, it is protruding cylinder surface and fluted column face that the limit dais A of every group of limit structure and limit dais B go up adjacent face, when not having relative movement trend between fixed plate and the caliper, the limit dais A and the cylndrical surface on the limit dais B of every group of limit structure are Spielpassung, the axis of two cylindrical surface on same straight line, the parallel axes of this straight line and bolt.
In order better to prevent bolt looseness, described bolt has a plurality of, and the axis of a plurality of bolts parallels.
Beneficial effect of the present invention: the present invention promotes push-plate by two driven regulating mechanisms, the thrust of two driven regulating mechanisms all is to be delivered to by identical transfer mode by same active regulating mechanism, the equilibrium of two driven regulating mechanism thrust, make the push-plate motion steadily, brake slipper is stressed evenly, can avoid the brake slipper eccentric wear effectively, have higher insensitivity and reliability.
Description of drawings
Fig. 1 perspective view of the present invention;
Fig. 2 is an internal structure schematic representation of the present invention;
Fig. 3 is the schematic perspective view of reinforcement regulating mechanism of the present invention;
Fig. 4 is the internal structure schematic representation of caliper;
Fig. 5 is the structural representation enlarged view of the attachment portion of caliper and adjust system;
Fig. 6 is the structural representation enlarged view of the part that is used to connect adjust system on the caliper;
Fig. 7 is the structural representation of the part that is used to connect caliper on the adjust system;
Fig. 8 is the limit structure schematic representation of lever system straight pin.
Among the figure: 1, caliper, 2, bearing pin, 3, carriage, 4, manual adjustment mechanism, 5, brake slipper, 6, brake disc, 7, lever, 8, the first quarter moon bearing, 9, adjust system, 10, driven regulating mechanism, 11, fixed plate, 12, push-plate, 13, regulating mechanism initiatively, 15, the lever limit structure, 16, first quarter moon loading ability of bearing structure, 17, limit dais B, 18, limit dais A, 19, bolt, 20, straight pin, 21, rivet or bolt, 22, catch.
Embodiment
As Fig. 1, Fig. 2 and a kind of specific embodiment shown in Figure 3, it comprises bearing system, reinforcement adjust system and friction pair.The reinforcement adjust system comprises lever system and adjust system 9, adjust system 9 comprises initiatively regulating mechanism 13, driven regulating mechanism 10, fixed plate 11, push-plate 12 and manual adjustment mechanism 4, fixed plate 11 is fixed on the caliper 1 by bolt 19, active regulating mechanism 13, driven regulating mechanism 10 and manual adjustment mechanism 4 are arranged on the fixed plate 11, fixed plate 11 is provided with two piston holders that are used to be provided with driven regulating mechanism 10, driven regulating mechanism 10 has two, be separately positioned in two piston holders, two driven regulating mechanisms 10 are positioned at the initiatively both sides of regulating mechanism 13, respectively be provided with a driven gear on the two driven regulating mechanisms 10, initiatively regulating mechanism 13 is provided with driving gear, two driven gears all mesh with driving gear, two driven regulating mechanisms 10 are connected with push-plate 12, and push-plate 12 is the integrated type push-plate.Manual adjustment mechanism 4 one ends are supported on the fixed plate 11, and the other end is supported on the caliper 1 by spring, manual adjustment mechanism 4 and driven regulating mechanism 10 gear transmissions.
Friction pair comprises brake disc 6 and two brake slipper 5.Bearing system comprises and is used to carry the carriage 3 of friction pair and be used to carry the caliper 1 of reinforcement adjust system, carriage 3 and caliper 1 are slidingly connected by bearing pin 2, lever system comprises lever 7, first quarter moon bearing 8, straight pin 20, rivet or bolt 21 and catch 22, first quarter moon bearing 8 is arranged on the lever 7, and straight pin 20 connects lever 7 and driven regulating mechanism 10.As shown in Figure 8, catch 22 is fixed on the end of lever 7 by rivet or bolt 21, and catch 22 retainings are in the outside of straight pin 20, with the axial motion of restriction straight pin 20.
As shown in Figure 3, caliper 1 is the integrated type caliper, and caliper 1 self has first quarter moon loading ability of bearing structure 16 and lever limit structure 15, and caliper 1 can pass through casting processing.
As shown in Figure 5, fixed plate 11 is fixed on the caliper 1 by bolt 19, be provided with limit structure between fixed plate 11 and the caliper 1, limit structure comprises limit dais A18 that is arranged on the caliper 1 and the limit dais B17 that is arranged on the fixed plate 11, as shown in Figure 5 and Figure 6, it is the fluted column face that limit dais A18 goes up the face adjacent with limit dais B17, as Fig. 5 and shown in Figure 7, limit dais B17 goes up the face protruding cylinder surface adjacent with limit dais A18, when not having relative movement trend between fixed plate 11 and the caliper 1 (when not being subjected to ordering about the power that fixed plate 11 and caliper 1 relatively rotate on fixed plate 11 or the caliper 1), cylndrical surface on limit dais A18 and the limit dais B17 is a Spielpassung, the axis of two cylindrical surface on same straight line, the parallel axes of this straight line and bolt 19.Limit structure has two groups, and two limit dais B17 are arranged on the outside of two-piston support, and described bolt 19 has a plurality of, and the axis of a plurality of bolts 19 parallels.Two limit dais B17 in two groups of limit structures between two limit dais A18, when not having relative movement trend between fixed plate and the caliper, between the limit dais A18 of every group of limit structure and the limit dais B17 apart from certain interval is arranged.
Working principle: when braking, braking force passes to initiatively regulating mechanism 13 by the lever system amplification, initiatively regulating mechanism 13 passes to two driven regulating mechanisms 10 by gear transmission with braking force, makes two driven regulating mechanisms 10 promote brake disc 6 extruding brake slipper 5 and realizes braking.
In braking process, caliper 1 and fixed plate 11 can be subjected to ordering about the external force that caliper 1 and fixed plate 11 relatively rotate, when this external force effect caliper 1 or fixed plate 11, caliper 1 and fixed plate 11 relatively rotate, caliper 1 with fixed plate 11 very small relative movement amount takes place just can make the two cylindrical surface on the limit structure contact, produce position-limiting action, can cushion bigger impact force, improved the stress of bolt 19 to a great extent, avoided bolt 19 to twist causing loosening or come off.
Claims (4)
1. air-pressure disc brake, comprise bearing system, reinforcement adjust system and friction pair, the reinforcement adjust system comprises lever system and adjust system, adjust system comprises initiatively regulating mechanism, driven regulating mechanism, fixed plate and push-plate, fixed plate is by being bolted on the caliper, initiatively regulating mechanism and driven regulating mechanism are arranged on the fixed plate, it is characterized in that: described driven regulating mechanism has two, two driven regulating mechanisms are positioned at the initiatively both sides of regulating mechanism, respectively be provided with a driven gear on the two driven regulating mechanisms, initiatively regulating mechanism is provided with driving gear, two driven gears all mesh with driving gear, and two driven regulating mechanisms are connected with push-plate; Described bearing system comprises and is used to carry the carriage of friction pair and is used to carry the caliper of reinforcement adjust system, carriage is connected by pin slide with caliper, lever system comprises lever, first quarter moon bearing and straight pin, the first quarter moon bearing is arranged on the lever, straight pin connects lever and driven regulating mechanism, caliper is the integrated type caliper, and caliper self has first quarter moon loading ability of bearing structure and lever limit structure; Be provided with the axial limiting structure of straight pin in the described lever system, the axial limiting structure of straight pin comprises catch and rivet or bolt, and catch is by rivet or be bolted to the end of lever, and the catch retaining is in the outside of straight pin.
2. air-pressure disc brake according to claim 1, it is characterized in that: be provided with two groups of limit structures between described fixed plate and the caliper, limit structure comprises limit dais A that is arranged on the caliper and the limit dais B that is arranged on the fixed plate, two limit dais B in two groups of limit structures are between two limit dais A, when not having relative movement trend between fixed plate and the caliper, distance has certain interval between the limit dais A of every group of limit structure and the limit dais B.
3. air-pressure disc brake according to claim 2, it is characterized in that: it is fluted column face and protruding cylinder surface that the limit dais A of every group of limit structure and limit dais B go up adjacent face, when not having relative movement trend between fixed plate and the caliper, the limit dais A and the cylndrical surface on the limit dais B of every group of limit structure are Spielpassung, the axis of two cylindrical surface on same straight line, this straight line with fixed plate is fixed on the parallel axes of the bolt on the caliper.
4. air-pressure disc brake according to claim 3 is characterized in that: describedly fixed plate is fixed on bolt on the caliper has a plurality ofly, a plurality of axis that fixed plate is fixed on the bolt on the caliper parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210048515 CN102562884B (en) | 2012-02-29 | 2012-02-29 | Air disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210048515 CN102562884B (en) | 2012-02-29 | 2012-02-29 | Air disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562884A CN102562884A (en) | 2012-07-11 |
| CN102562884B true CN102562884B (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210048515 Active CN102562884B (en) | 2012-02-29 | 2012-02-29 | Air disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102562884B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335034B (en) * | 2013-07-03 | 2016-06-15 | 李应声 | A kind of air-pressure disc brake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326056A (en) * | 2000-05-31 | 2001-12-12 | 哈尔德克斯制动产品股份公司 | Brake mechanism and method for strengthening control force thereof |
| GB2442552A (en) * | 2006-08-25 | 2008-04-09 | Nisshin Spinning | Disc brake with biased automatic clearance adjustment mechanism |
| CN102242786A (en) * | 2011-07-13 | 2011-11-16 | 浙江万安科技股份有限公司 | Air pressure plate type brake |
| CN202468778U (en) * | 2012-02-29 | 2012-10-03 | 中国重汽集团济南动力有限公司 | Air disc brake |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9526019D0 (en) * | 1995-12-20 | 1996-02-21 | Lucas Ind Plc | Improvements relating to disc brake construction |
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2012
- 2012-02-29 CN CN 201210048515 patent/CN102562884B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326056A (en) * | 2000-05-31 | 2001-12-12 | 哈尔德克斯制动产品股份公司 | Brake mechanism and method for strengthening control force thereof |
| GB2442552A (en) * | 2006-08-25 | 2008-04-09 | Nisshin Spinning | Disc brake with biased automatic clearance adjustment mechanism |
| CN102242786A (en) * | 2011-07-13 | 2011-11-16 | 浙江万安科技股份有限公司 | Air pressure plate type brake |
| CN202468778U (en) * | 2012-02-29 | 2012-10-03 | 中国重汽集团济南动力有限公司 | Air disc brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102562884A (en) | 2012-07-11 |
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