CN202468778U - Air disc brake - Google Patents
Air disc brake Download PDFInfo
- Publication number
- CN202468778U CN202468778U CN2012200695384U CN201220069538U CN202468778U CN 202468778 U CN202468778 U CN 202468778U CN 2012200695384 U CN2012200695384 U CN 2012200695384U CN 201220069538 U CN201220069538 U CN 201220069538U CN 202468778 U CN202468778 U CN 202468778U
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- caliper
- limit
- regulating mechanism
- driven
- fixed plate
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Abstract
The utility model discloses an air disc brake which is provided with two driven regulating mechanisms, wherein the two driven regulating mechanisms are arranged on two sides of a drive regulating mechanism and are respectively provided with a driven gear, a drive gear is arranged on the drive regulating mechanism, the two driven gears are meshed with the drive gear, and the two driven regulating mechanisms are connected with a push disc. According to the utility model, the two driven regulating mechanisms are used for pushing the push disc, pushing forces of the two driven regulating mechanisms are transmitted by the drive regulating mechanism in the same transmitting mode and are balanced, so that the push disc moves stably, and a brake block is uniformly stressed, thus the eccentric wear of the brake block can be effectively avoided. The air disc brake has higher brake stability and reliability.
Description
Technical field
The utility model 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 limitation, heavy truck can't simply be used for Light-duty Vehicle through reduced volume with disk type braker, and 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, the reduction in 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 through 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 that the utility model will solve is: provide a kind of insensitivity good air-pressure disc brake.
In order to solve the problems of the technologies described above, the utility model comprises bearing system, reinforcement adjust system and friction pair, and the reinforcement adjust system comprises lever system and adjust system; Adjust system comprises initiatively regulating mechanism, driven regulating mechanism, fixed plate and push-plate, and fixed plate is through being bolted on the caliper, and 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 are provided with a driven gear on the two driven regulating mechanisms, and 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 through pin slide with caliper; Lever system comprises lever, first quarter moon bearing and straight pin, and the first quarter moon bearing is arranged on the lever, and 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 said lever system, the axial limiting structure of straight pin comprises catch and rivet or bolt, and catch is through 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 the limit dais A that is arranged on the caliper and is arranged on the limit dais B on the fixed plate; Two limit dais B in two groups of limit structures between two limit dais A, when not having relative movement trend between fixed plate and the caliper, between the limit dais A of every group of limit structure and the limit dais B apart from certain interval is arranged.
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.
The utility model beneficial effect: the utility model promotes push-plate through two driven regulating mechanisms; The thrust of two driven regulating mechanisms all is to be delivered to through identical transfer mode by same active regulating mechanism; Two driven regulating mechanism thrusts are balanced, make the push-plate motion steadily, and brake slipper is stressed evenly; Can avoid the brake slipper eccentric wear effectively, have higher insensitivity and reliability.
Description of drawings
The perspective view of Fig. 1 the utility model;
Fig. 2 is the internal structure schematic representation of the utility model;
Fig. 3 is the schematic perspective view of the utility model reinforcement regulating mechanism;
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
Like 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, and adjust system 9 comprises initiatively regulating mechanism 13, driven regulating mechanism 10, fixed plate 11, push-plate 12 and manual adjustment mechanism 4, and fixed plate 11 is fixed on the caliper 1 through bolt 19; Initiatively 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, and driven regulating mechanism 10 has two, is 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, and 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 through 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 is slidingly connected through bearing pin 2 with caliper 1; 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 through 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 through bolt 19, is provided with limit structure between fixed plate 11 and the caliper 1, and limit structure comprises the limit dais A18 that is arranged on the caliper 1 and is arranged on the limit dais B17 on the fixed plate 11; Like Fig. 5 and shown in Figure 6; It is the fluted column face that limit dais A18 goes up the face adjacent with limit dais B17, and like Fig. 5 and shown in Figure 7, limit dais B17 goes up the face protruding cylinder surface adjacent with limit dais A18; When having relative movement trend between fixed plate 11 and the caliper 1, (do not receive on fixed plate 11 or the caliper 1 when ordering about the power that fixed plate 11 and caliper 1 relatively rotate); 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 through the lever system amplification; Initiatively regulating mechanism 13 passes to two driven regulating mechanisms 10 through 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 receive and order 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 relatively rotates with fixed plate 11, and 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, improve the stress of bolt 19 to a great extent, avoid bolt 19 to twist causing loosening or come off.
Claims (6)
1. air-pressure disc brake; Comprise bearing system, reinforcement adjust system and friction pair, the reinforcement adjust system comprises lever system and adjust system, and adjust system comprises initiatively regulating mechanism, driven regulating mechanism, fixed plate and push-plate; Fixed plate is through being bolted on the caliper; Initiatively regulating mechanism and driven regulating mechanism are arranged on the fixed plate, and it is characterized in that: described driven regulating mechanism has two, and 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.
2. air-pressure disc brake according to claim 1; It is characterized in that: described bearing system comprises and is used to carry the carriage of friction pair and be used to carry the caliper of reinforcement adjust system that carriage is connected through pin slide with caliper, and 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, and caliper is the integrated type caliper, and caliper self has first quarter moon loading ability of bearing structure and lever limit structure.
3. air-pressure disc brake according to claim 2; It is characterized in that: the axial limiting structure that is provided with straight pin in the said lever system; The axial limiting structure of straight pin comprises catch and rivet or bolt; Catch is through rivet or be bolted to the end of lever, and the catch retaining is in the outside of straight pin.
4. according to claim 1 or 2 or 3 described air-pressure disc brakes; It is characterized in that: be provided with two groups of limit structures between described fixed plate and the caliper; Limit structure comprises the limit dais A that is arranged on the caliper and is arranged on the limit dais B on the fixed plate; Two limit dais B in two groups of limit structures between two limit dais A, when not having relative movement trend between fixed plate and the caliper, between the limit dais A of every group of limit structure and the limit dais B apart from certain interval is arranged.
5. air-pressure disc brake according to claim 4; 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, the parallel axes of this straight line and bolt.
6. air-pressure disc brake according to claim 5 is characterized in that: described bolt has a plurality of, and the axis of a plurality of bolts parallels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200695384U CN202468778U (en) | 2012-02-29 | 2012-02-29 | Air disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200695384U CN202468778U (en) | 2012-02-29 | 2012-02-29 | Air disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468778U true CN202468778U (en) | 2012-10-03 |
Family
ID=46916937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200695384U Withdrawn - After Issue CN202468778U (en) | 2012-02-29 | 2012-02-29 | Air disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562884A (en) * | 2012-02-29 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Air disc brake |
-
2012
- 2012-02-29 CN CN2012200695384U patent/CN202468778U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562884A (en) * | 2012-02-29 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Air disc brake |
| CN102562884B (en) * | 2012-02-29 | 2013-07-31 | 中国重汽集团济南动力有限公司 | Air disc brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20130731 |
|
| RGAV | Abandon patent right to avoid regrant |