CN216589707U

CN216589707U - Drum brake lining

Info

Publication number: CN216589707U
Application number: CN202122178603.9U
Authority: CN
Inventors: 张国华; 丁建德; 程善良; 王立; 徐超; 陈忠
Original assignee: HANGZHOU UNITED FRICTION MATERIAL CO LTD
Current assignee: HANGZHOU UNITED FRICTION MATERIAL CO LTD
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-05-24
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a drum brake lining, which comprises a lining back plate and a lining body, wherein an ash storage groove is formed in the surface of the lining back plate, first fixing grooves are formed in the two horizontal sides of the lining body, a first bolt is connected to the side wall of each first fixing groove in a threaded manner, the lining back plate and the lining body are fixedly connected through the first bolt, a second fixing groove and a plurality of heat dissipation grooves are formed in the front end of the lining body, and a second bolt is connected to the front end of the second fixing groove in a threaded manner. According to the utility model, by arranging the anti-deformation device, when the lining body acts on the brake disc, the structure in the lining body can be changed by strong pressure, the lining body can be prevented from deforming when in use due to the supporting effect of the steel balls and the connecting columns, the influence on normal use is avoided, the service life of the brake is prolonged, and the lining body has certain plasticity by arranging the friction layer and is better attached to the brake disc, so that the static friction coefficient is improved, and the braking effect is improved.

Description

Drum brake lining

Technical Field

The utility model relates to the technical field of linings, in particular to a drum brake lining.

Background

The brake is a device with the functions of decelerating, stopping or keeping a stopped state of a moving part (or a moving machine), and the like, is a mechanical part for stopping or decelerating the moving part in the machine, commonly called as a brake and a brake, mainly comprises a braking frame, a braking part, an operating device and the like, and some brakes are also provided with an automatic adjusting device for the clearance of the braking part.

However, the current drum brake lining is easy to deform after being used for a long time, so that the normal use of the brake is influenced, and the current lining material is brittle and hard, so that the lining and a brake disc cannot be tightly attached to influence the braking effect.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve the drawbacks of the prior art and to provide a drum brake lining.

In order to achieve the purpose, the utility model adopts the following technical scheme: the drum brake lining comprises a lining back plate and a lining body, wherein an ash storage groove is formed in the surface of the lining back plate, a first fixing groove is formed in each of two horizontal sides of the lining body, a first bolt is connected to the side wall of the first fixing groove in a threaded manner, the lining back plate and the lining body are fixedly connected through the first bolt, a second fixing groove and a plurality of heat dissipation grooves are formed in the front end of the lining body, a second bolt is connected to the front end of the second fixing groove in a threaded manner, an anti-deformation device is fixedly installed on the side wall of the second fixing groove, fixing devices are fixedly installed at two horizontal ends of the lining back plate, and two dust collection assemblies are formed in the front end of the lining back plate.

As a further description of the above technical solution:

the dust collection assembly comprises a dust collection groove, and two dust collection cottons are fixedly mounted on the inner side wall of the dust collection groove.

As a further description of the above technical solution:

the anti-deformation device comprises a support box, a connecting column is fixedly mounted on the inner side wall of the support box, and steel balls are fixedly sleeved on the outer surface of the connecting column.

As a further description of the above technical solution:

the gasket body comprises a steel structure layer, a reinforcing layer is fixedly mounted at the upper end of the steel structure layer, a friction layer is fixedly mounted at the upper end of the reinforcing layer, a plurality of anti-skidding grooves are formed in the upper surface of the friction layer, the lower end of the steel structure layer is fixedly connected with a connecting layer, and the lower end of the connecting layer is fixedly connected with a radiating assembly.

As a further description of the above technical solution:

the heat dissipation assembly comprises a heat dissipation layer, and a plurality of heat dissipation fins are fixedly mounted inside the heat dissipation layer.

As a further description of the above technical solution:

the fixing device comprises a fixing plate, a screw rod is connected to the side wall of the fixing plate in a threaded manner, a nut is fixedly mounted at the end of the screw rod, a baffle is fixedly connected to one end, away from the nut, of the screw rod, and a plurality of rubber latches are fixedly mounted on one side, away from the screw rod, of the baffle.

The utility model has the following beneficial effects:

1. compared with the prior art, this drum brake facing through setting up anti-deformation device, when the facing body acted on the brake disc, powerful pressure probably made this internal structure of facing change, because the supporting role of steel ball and spliced pole, can prevent that the facing body from taking place deformation when using, influences normal use, improves the life of stopper.

2. Compared with the prior art, this drum brake facing through setting up fixing device, lets the better fixing of stopper on the car, can the facing body have certain plasticity through setting up the frictional layer, with the better laminating of brake disc to improve coefficient of static friction, promote braking effect.

Drawings

Fig. 1 is a schematic view of the overall construction of a drum brake lining according to the present invention;

FIG. 2 is a schematic view of a deformation preventing device for a drum brake lining according to the present invention;

FIG. 3 is a sectional view of a lining body of a drum brake lining according to the present invention;

fig. 4 is a schematic view of a fixing device for a drum brake lining according to the present invention.

Illustration of the drawings:

1. a lining backing; 2. an anti-deformation device; 3. a lining body; 4. a fixing device; 5. a dust collection groove; 6. absorbing dust cotton; 7. a first fixing groove; 8. a first bolt; 9. an ash storage tank; 10. a second fixing groove; 11. a second bolt; 12. a heat sink; 21. a support box; 22. connecting columns; 23. steel balls; 31. a steel structural layer; 32. a reinforcing layer; 33. a friction layer; 34. a heat dissipation layer; 35. an anti-slip groove; 36. a heat sink; 37. a connecting layer; 41. a fixing plate; 42. a baffle plate; 43. rubber latch; 44. a screw; 45. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a drum brake lining: drum brake facing, including facing backplate 1 and facing body 3, facing backplate 1 surface has been seted up and has been deposited ash groove 9, fixed slot 7 has all been seted up to 3 horizontal both sides of facing body, No. 7 lateral wall threaded connection of fixed slot has a bolt 8, facing backplate 1 and facing body 3 are through a bolt 8 fixed connection, No. two fixed slots 10 and a plurality of radiating grooves 12 have been seted up to 3 front ends of facing body, No. two fixed slot 10 front end threaded connection have No. two bolts 11, No. two fixed slot 10 lateral wall fixed mounting have anti-deformation device 2, the equal fixed mounting in 1 horizontal both ends of facing backplate has fixing device 4, two dust absorption assemblies have been seted up to 1 front end of facing backplate.

Dust collection assembly includes suction tank 5, and suction tank 5 inside wall fixed mounting has two dust absorption cotton 6, and dust absorption cotton 6 mainly used adsorbs the particle and the dust that the friction produced.

The anti-deformation device 2 comprises a support box 21, a connecting column 22 is fixedly mounted on the inner side wall of the support box 21, a steel ball 23 is fixedly sleeved on the outer surface of the connecting column 22, and the support capacity of the support box 21 is enhanced by the steel ball 23.

The lining body 3 comprises a steel structure layer 31, a reinforcing layer 32 is fixedly mounted at the upper end of the steel structure layer 31, a friction layer 33 is fixedly mounted at the upper end of the reinforcing layer 32, a plurality of anti-slip grooves 35 are formed in the upper surface of the friction layer 33, a connecting layer 37 is fixedly connected to the lower end of the steel structure layer 31, a heat dissipation assembly is fixedly connected to the lower end of the connecting layer 37, the friction layer 33 is made of phenolic resin for friction materials, the characteristic that the phenolic resin for friction materials is brittle and hard is improved, the phenolic resin has certain plasticity, and the phenolic resin can be well attached to a dual surface, so that the static friction coefficient is improved.

The heat dissipation assembly includes a heat dissipation layer 34, and a plurality of heat dissipation fins 36 are fixedly mounted inside the heat dissipation layer 34, and the heat dissipation fins 36 can increase the heat dissipation speed.

Fixing device 4 includes fixed plate 41, and fixed plate 41 lateral wall threaded connection has screw rod 44, and screw rod 44 tip fixed mounting has nut 45, and screw rod 44 keeps away from the one end fixedly connected with baffle 42 of nut 45, and one side fixed mounting that screw rod 44 was kept away from to baffle 42 has a plurality of rubber latch 43, and rubber latch 43 can increase frictional force, and better spacing carries on.

The working principle is as follows: the deformation of the lining body 3 can be prevented by arranging the anti-deformation device 2 when in use, the normal use is influenced, when the lining body 3 acts on a brake disc, the structure in the lining body 3 can be changed by strong pressure, the side wall of the lining body 3 is difficult to deform due to the supporting action of the steel balls 23 and the connecting columns 22, the lining back plate 1 is fixedly connected with the lining body 3 through the first bolt 8 and the second bolt 11, one part of powder generated by friction enters the dust storage groove 9, the other part of the powder enters the dust absorption groove 5, the powder and dust are absorbed by the plurality of dust absorption cottons 6, the erosion and the influence of the powder and the dust on surrounding parts are reduced, the whole device can be arranged on a brake by arranging the fixing device 4, when the fixing screw passes through the middle of the fixing plate 41, the nut 45 is rotated, so that the baffle 42 limits the fixing screw, the rubber latch 43 is arranged to play a role of skid resistance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A drum brake lining comprising a lining back plate (1) and a lining body (3), characterized in that: the dust storage groove (9) is formed in the surface of the lining back plate (1), a fixing groove (7) is formed in each of the two horizontal sides of the lining body (3), a bolt (8) is connected to the side wall of the fixing groove (7) in a threaded manner, the lining back plate (1) and the lining body (3) are fixedly connected through the bolt (8), a second fixing groove (10) and a plurality of heat dissipation grooves (12) are formed in the front end of the lining body (3), a second bolt (11) is connected to the front end of the second fixing groove (10) in a threaded manner, an anti-deformation device (2) is fixedly mounted on the side wall of the second fixing groove (10), a fixing device (4) is fixedly mounted at each of the two horizontal ends of the lining back plate (1), and two dust collection assemblies are formed in the front end of the lining back plate (1).

2. The drum brake lining of claim 1, wherein: the dust collection assembly comprises a dust collection groove (5), and two dust collection cottons (6) are fixedly mounted on the inner side wall of the dust collection groove (5).

3. The drum brake lining of claim 1, wherein: anti-deformation device (2) are including supporting box (21), supporting box (21) inside wall fixed mounting has spliced pole (22), the fixed cover of spliced pole (22) surface is equipped with steel ball (23).

4. The drum brake lining of claim 1, wherein: the gasket body (3) comprises a steel structure layer (31), a reinforcing layer (32) is fixedly mounted at the upper end of the steel structure layer (31), a friction layer (33) is fixedly mounted at the upper end of the reinforcing layer (32), a plurality of anti-skidding grooves (35) are formed in the upper surface of the friction layer (33), the lower end of the steel structure layer (31) is fixedly connected with a connecting layer (37), and a heat dissipation assembly is fixedly connected with the lower end of the connecting layer (37).

5. The drum brake lining of claim 4, wherein: the heat dissipation assembly comprises a heat dissipation layer (34), and a plurality of heat dissipation fins (36) are fixedly mounted inside the heat dissipation layer (34).

6. The drum brake lining of claim 1, wherein: fixing device (4) are including fixed plate (41), fixed plate (41) lateral wall threaded connection has screw rod (44), screw rod (44) tip fixed mounting has nut (45), one end fixedly connected with baffle (42) of nut (45) are kept away from in screw rod (44), one side fixed mounting that screw rod (44) were kept away from in baffle (42) has a plurality of rubber latch (43).