CN219317488U

CN219317488U - Wear-resistant brake drum

Info

Publication number: CN219317488U
Application number: CN202320933654.4U
Authority: CN
Inventors: 冯敬明; 李忠诚; 侯代科
Original assignee: Liangshan Shentong Casting Co ltd
Current assignee: Liangshan Shentong Casting Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-07-07
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the technical field of brake drums and discloses a wear-resistant brake drum which comprises a brake drum, wherein a plurality of mounting grooves are formed in the inner side wall of the brake drum, and the plurality of mounting grooves are distributed in an annular array with the axle center of the brake drum as the center; the brake drum only needs to be replaced after being worn for a long time, the wear-resistant seat is convenient and fast to install or disassemble, the structure of the whole device is simple, the working efficiency of workers is improved, the practicability of the device is improved, the wear-resistant seat can be more accurately and slidingly installed in the installation groove through the guide post, the installation surface and the brake drum can be fixedly installed on a vehicle through the installation hole matched with the bolt, the contact area of the brake shoe and the brake drum can be increased through the anti-slip protrusion, the braking effect of the brake drum is better, and the wear-resistant seat is more convenient to install or disassemble through the handle.

Description

Wear-resistant brake drum

Technical Field

The utility model relates to the technical field of brake drums, in particular to a wear-resistant brake drum.

Background

The brake drum is a friction partner of a drum brake, and should have a stable friction coefficient as high as possible, and appropriate wear resistance, heat dissipation, heat capacity, and the like, in addition to strength and rigidity required as members; the brake drum is an important component of a drum brake system, and when the brake is applied, the piston applies pressure to the two brake pads to enable the brake pads to be closely attached to the inner wall of a drum chamber, and the rotation of the wheel is stopped by friction force generated between the brake pads, so that the purpose of braking is achieved.

The present chinese patent with publication number CN201599351U discloses a brake drum, which comprises a brake drum body and a valve position groove arranged on the body, and is characterized in that: the valve position grooves are more than three and are uniformly distributed on the brake drum body so as to keep the balance of the brake drum; more than three heat dissipation ribs are further arranged on the brake drum body, and the heat dissipation ribs are uniformly distributed on the brake drum body so as to keep balance of the brake drum. The heat dissipation capacity of the brake drum is improved by about 10% due to the heat dissipation ribs; meanwhile, the strength of the brake drum is improved by about 20% due to the heat dissipation ribs; the number of the valve position grooves is increased, so that the installation is convenient, and meanwhile, the gap between the steel ring and the brake drum is increased, so that the heat dissipation efficiency of the brake drum is improved.

However, the brake drum described above has the following drawbacks: because the brake drum needs to be matched with the brake shoes to carry out braking operation during braking, the brake drum has poor wear resistance and high wear rate, the strength and the service life of the brake drum are affected after the brake drum is worn, the whole drum body needs to be replaced after the brake drum is worn for a long time, and the maintenance cost is high.

Accordingly, there is a need to provide a wear resistant brake drum that solves the above mentioned technical problems.

Disclosure of Invention

The utility model aims to provide a wear-resistant brake drum which has the effect of being convenient in the process of installing or detaching a wear-resistant seat.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a wear-resisting type brake drum, includes the brake drum, a plurality of mounting grooves have been seted up to the inside wall of brake drum, and is a plurality of the mounting groove uses the axle center of brake drum to be annular array distribution, be provided with the abrasion-resisting seat in the mounting groove, abrasion-resisting seat with mounting groove sliding fit has been seted up a plurality of draw-in grooves on the mounting groove, two spouts have been seted up to one side that the brake drum was kept away from to the abrasion-resisting seat, two equal slidable mounting has the slider in the spout, one side fixedly connected with telescopic link of slider, one end that the slider was kept away from to the telescopic link with the inner wall fixed connection of spout one side, the cover is equipped with the spring on the telescopic link, one end of spring with inner wall fixed connection of spout one side, the other end of spring with one side fixed connection of slider, the opposite side fixedly connected with two spliced poles of slider, the spliced pole runs through the inner wall of spout one side, just the spliced pole with the inner wall sliding connection of this side of spout, the spliced pole stretches into in the draw-in, one side that the slider was kept away from the abrasion-resisting seat.

Through adopting above-mentioned technical scheme, the brake drum only need change wear-resisting seat after long-time wearing and tearing can, also more convenient to the installation or the dismantlement in-process of wear-resisting seat, the simple of overall device's structure is comparative, has improved workman's work efficiency, also improves the practicality of device simultaneously.

The utility model is further provided with: two guide posts are fixedly connected to the side wall of the wear-resistant seat, two guide grooves are formed in the mounting groove, the guide grooves are matched with the guide posts, and the guide posts are in sliding fit with the guide grooves.

Through adopting above-mentioned technical scheme, the guide post can be so that wear-resisting seat slidable mounting is more accurate when in the mounting groove.

The utility model is further provided with: one side of the brake drum is fixedly connected with a mounting surface, a plurality of mounting holes are formed in the mounting surface, and the plurality of mounting holes are distributed in an annular array with the axle center of the mounting surface as the center.

Through adopting above-mentioned technical scheme, mounting surface and brake drum fixed mounting on the vehicle can be used to the mounting hole cooperation bolt.

The utility model is further provided with: the wear-resisting seat is provided with a plurality of anti-slip protrusions.

By adopting the technical scheme, the anti-slip protrusion can increase the contact area between the brake shoe and the brake drum, so that the braking effect of the brake drum is better.

The utility model is further provided with: one side of the wear-resisting seat is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, make the wearing seat more convenient when installation or dismantlement through the handle.

The utility model is further provided with: the brake drum is provided with a plurality of screws, the screws penetrate through the side wall of the brake drum, the screws are rotationally connected with the brake drum, and one ends of the screws are in threaded connection with the side wall of the wear-resisting seat.

Through adopting above-mentioned technical scheme, through screw and wear-resisting seat threaded connection, can fix the wear-resisting seat, can prevent that the brake drum from can appearing not hard up when rotatory wear-resisting seat.

In summary, the utility model has the following beneficial effects: the brake drum only needs to be replaced after long-time wearing and tearing can, the installation or dismantlement in-process to the wear-resisting seat is also more convenient, the structure of whole device is simpler, workman's work efficiency has been improved, simultaneously also improve the practicality of device, can make wear-resisting seat slidable mounting more accurate when in the mounting groove through the guide post, mounting hole cooperation bolt use can be with installation face and brake drum fixed mounting on the vehicle, the area of contact of brake shoe and brake drum can be increased to the non-skid mounting, make the braking effect of brake drum better, make the wear-resisting seat more convenient when installation or dismantlement through the handle, through screw and wear-resisting seat threaded connection, can fix the wear-resisting seat, can prevent that the brake drum can appear not hard up when rotatory.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional structure of the removed wear seat of the present utility model;

FIG. 3 is a schematic three-dimensional view of the wear seat of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3B according to the present utility model.

In the figure: 1. a brake drum; 2. a mounting surface; 3. a mounting hole; 4. a wear-resistant seat; 5. a slip preventing protrusion; 6. a connecting column; 7. a handle; 8. a guide post; 9. a grip; 10. a slide block; 11. a telescopic rod; 12. a spring; 13. a screw; 14. a guide groove; 15. a clamping groove; 16. and a mounting groove.

Detailed Description

The present utility model will be further described with reference to the drawings in the embodiments of the present utility model.

Referring to fig. 1 to 5, in the embodiment of the present utility model, a wear-resistant brake drum includes a brake drum 1, a plurality of mounting grooves 16 are provided on an inner side wall of the brake drum 1, the plurality of mounting grooves 16 are distributed in an annular array with an axis center of the brake drum 1 as a center, a wear-resistant seat 4 is provided in the mounting groove 16, the wear-resistant seat 4 is slidably matched with the mounting groove 16, a plurality of clamping grooves 15 are provided on the mounting groove 16, two sliding grooves are provided on one side of the wear-resistant seat 4 far from the brake drum 1, a sliding block 10 is slidably mounted in each of the two sliding grooves, one side of the sliding block 10 is fixedly connected with two telescopic rods 11, one end of each telescopic rod 11 far from the sliding block 10 is fixedly connected with an inner wall on one side of the sliding groove, a spring 12 is sleeved on the telescopic rod 11, one end of the spring 12 is fixedly connected with an inner wall on one side of the sliding groove, the other end of the spring 12 is fixedly connected with one side of the sliding groove 10, two connecting posts 6 are fixedly connected with the other side of the sliding block 10, one side of the connecting posts 6 penetrates through the inner wall 6, one side of the sliding posts 6 is fixedly connected with the sliding posts 6, and one side of the sliding posts 6 is fixedly connected with the sliding posts 6 far from the sliding posts 4, and one side of the sliding posts is fixedly connected with the sliding posts 6; when the anti-abrasion device is used, the sliding block 10 can be driven to move through the moving handle 9, the sliding block 10 moves to drive the connecting column 6 to move, the connecting column 6 is located in the sliding groove, meanwhile, the spring 12 is extruded, the abrasion-resistant seat 4 is installed in the installation groove 16, after the handle 9 is loosened, the sliding block 10 moves reversely and then drives the connecting column 6 to extend into the clamping groove 15 under the reaction force of the spring 12, so that the abrasion-resistant seat 4 is fixedly installed on the brake drum 1, when the abrasion-resistant seat 4 works for a long time and is seriously worn, the sliding block 10 is driven to move through the movement of the handle 9, the connecting column 6 is separated from the clamping groove 15, the abrasion-resistant seat 4 can be taken out for maintenance or replacement, in the process, the brake drum 1 only needs to replace the abrasion-resistant seat 4 after the abrasion-resistant seat 4 for a long time, and the installation or the disassembly process of the abrasion-resistant seat 4 is convenient, the structure of the whole device is simpler, the working efficiency of workers is improved, and the practicability of the device is improved.

In this embodiment, preferably, two guide posts 8 are fixedly connected to the side wall of the wear-resistant seat 4, two guide slots 14 are formed in the mounting slot 16, the guide slots 14 are adapted to the guide posts 8, and the guide posts 8 are slidably matched with the guide slots 14; the wear-resistant seat 4 can be more accurately slidably mounted in the mounting groove 16 through the guide post 8.

In this embodiment, preferably, one side of the brake drum 1 is fixedly connected with a mounting surface 2, a plurality of mounting holes 3 are formed in the mounting surface 2, and the plurality of mounting holes 3 are distributed in an annular array with the axle center of the mounting surface 2 as the center; the mounting holes 3 are used in combination with bolts to fixedly mount the mounting surface 2 and the brake drum 1 to the vehicle.

In this embodiment, preferably, the wear-resistant seat 4 is provided with a plurality of anti-slip protrusions 5; the anti-slip protrusions 5 can increase the contact area between the brake shoes and the brake drum 1, so that the braking effect of the brake drum 1 is better.

In this embodiment, preferably, a handle 7 is fixedly connected to one side of the wear-resistant seat 4; the wear-resistant seat 4 is more convenient to install or detach by the handle 7.

In this embodiment, preferably, the brake drum 1 is provided with a plurality of screws 13, the screws 13 penetrate through the side wall of the brake drum 1, the screws 13 are rotatably connected with the brake drum 1, and one end of each screw 13 is in threaded connection with the side wall of the wear-resistant seat 4; through screw 13 and wear-resisting seat 4 threaded connection, can fix wear-resisting seat 4, can prevent that wear-resisting seat 4 from appearing not hard up when brake drum 1 rotates.

Working principle: when the anti-abrasion device is used, the sliding block 10 can be driven to move through the moving handle 9, the sliding block 10 moves to drive the connecting column 6 to move, the connecting column 6 is located in the sliding groove, meanwhile, the spring 12 is extruded, the abrasion-resistant seat 4 is installed in the installation groove 16, after the handle 9 is loosened, the sliding block 10 moves reversely and then drives the connecting column 6 to extend into the clamping groove 15 under the reaction force of the spring 12, so that the abrasion-resistant seat 4 is fixedly installed on the brake drum 1, when the abrasion-resistant seat 4 works for a long time and is seriously worn, the sliding block 10 is driven to move through the movement of the handle 9, the connecting column 6 is separated from the clamping groove 15, the abrasion-resistant seat 4 can be taken out for maintenance or replacement, in the process, the brake drum 1 only needs to replace the abrasion-resistant seat 4 after the abrasion-resistant seat 4 for a long time, and the installation or the disassembly process of the abrasion-resistant seat 4 is convenient, the structure of the whole device is simpler, the working efficiency of workers is improved, and the practicability of the device is improved.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims

1. Wear-resistant brake drum, comprising a brake drum (1), characterized in that: the inner side wall of the brake drum (1) is provided with a plurality of mounting grooves (16), the mounting grooves (16) are distributed in an annular array by taking the axle center of the brake drum (1) as the center, a wear-resistant seat (4) is arranged in the mounting grooves (16), the wear-resistant seat (4) is in sliding fit with the mounting grooves (16), a plurality of clamping grooves (15) are formed in the mounting grooves (16), one side of the wear-resistant seat (4) far away from the brake drum (1) is provided with two sliding grooves, two sliding blocks (10) are slidably arranged in the sliding grooves, one side of each sliding block (10) is fixedly connected with two telescopic rods (11), one end of each telescopic rod (11) far away from each sliding block (10) is fixedly connected with one inner wall of one side of each sliding groove, a spring (12) is sleeved on each telescopic rod (11), one end of each spring (12) is fixedly connected with one side of the sliding grooves, the other is fixedly connected with one side of the sliding blocks (10), the other is fixedly connected with one side of the sliding blocks (6) of the sliding blocks (10), one side of the sliding blocks (6) is fixedly connected with one side of the sliding blocks (6), one side of the sliding blocks (6) penetrates through the sliding blocks (6), one side of the sliding block (10) far away from the wear-resistant seat (4) is fixedly connected with a handle (9).

2. A wear resistant brake drum in accordance with claim 1, wherein: two guide posts (8) are fixedly connected to the side wall of the wear-resisting seat (4), two guide grooves (14) are formed in the mounting groove (16), the guide grooves (14) are matched with the guide posts (8), and the guide posts (8) are in sliding fit with the guide grooves (14).

3. A wear resistant brake drum in accordance with claim 1, wherein: one side of the brake drum (1) is fixedly connected with a mounting surface (2), a plurality of mounting holes (3) are formed in the mounting surface (2), and the plurality of mounting holes (3) are distributed in an annular array with the axle center of the mounting surface (2) as the center.

4. A wear resistant brake drum in accordance with claim 1, wherein: the wear-resistant seat (4) is provided with a plurality of anti-slip protrusions (5).

5. A wear resistant brake drum in accordance with claim 1, wherein: one side of the wear-resisting seat (4) is fixedly connected with a handle (7).

6. A wear resistant brake drum in accordance with claim 1, wherein: be provided with a plurality of screws (13) on brake drum (1), screw (13) run through the lateral wall of brake drum (1), screw (13) with brake drum (1) rotation is connected, the one end of screw (13) with the lateral wall threaded connection of wear-resisting seat (4).