Wedge brake with brake shoe quick-release structure

Abstract

The utility model discloses a wedge brake with a brake shoe quick-release structure, which comprises a brake component, the brake component comprises a wedge self-regulator, a quick-release brake shoe assembly and a brake bottom plate, the wedge self-regulator is fixed at one end of the brake bottom plate, the quick-release brake shoe assembly is movably connected onto the brake bottom plate, and the wedge self-regulator is fixed at the other end of the brake bottom plate. The two ends are positioned on two sides of the wedge-type self-adjusting device; the quick-release brake shoe assembly comprises a brake shoe and mounting holes, and the mounting holes are formed in the two sides of the lower end of the brake shoe. The convenient assembly comprises a mounting plate, an arc-shaped block and a rotating shaft; the mounting plates are fixed to the two sides of the lower end of the brake shoe and located on the sides of the mounting holes, the rotating shafts are rotationally connected to the sides of the mounting plates and located on the sides below the mounting holes, and the arc-shaped blocks are fixed to the middle sections of the rotating shafts. The utility model relates to a brake shoe quick-release structure, and aims to solve the problems that when an existing brake shoe quick-release structure is disassembled, a return spring of a quick-release brake shoe needs to be pulled out of installation with effort, labor is wasted, and fingers of maintenance personnel are easily injured.

Description

TECHNICAL FIELD

[0001] The utility model relates to wedge brake technology field especially is related to a wedge brake of brake shoe quick release structure. BACKGROUND

[0002] As one of the core components of the commercial vehicle brake system, the wedge brake has the advantages of lightweight, high braking efficiency, safety and reliability. However, the friction plate of the wedge brake is a consumable part, and must be replaced after the commercial vehicle runs a certain mileage. The existing structure can separately disassemble and replace the brake shoe and the friction plate, avoiding the time-consuming and laborious whole brake disassembly, and the long replacement cycle.

[0003] The existing brake shoe quick release structure needs to pull the quick release brake brake shoe return spring when disassembled, which is relatively laborious and easy to injure the fingers of the maintenance personnel, so a wedge brake with brake shoe quick release structure is needed to solve the above problems. SUMMARY

[0004] The utility model discloses a wedge brake with brake shoe quick release structure to solve the problem of the existing brake shoe quick release structure in the background art, which needs to pull the quick release brake brake shoe return spring when disassembled, which is relatively laborious and easy to injure the fingers of the maintenance personnel.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme: a wedge brake with brake shoe quick release structure, comprising:

[0006] The brake assembly comprises a wedge self-adjuster, a quick release brake shoe assembly and a brake bottom plate. The wedge self-adjuster is fixed at one end of the brake bottom plate, and the quick release brake shoe assembly is movably connected to the brake bottom plate and located on both sides of the wedge self-adjuster.

[0007] The quick release brake shoe assembly comprises a brake shoe and mounting holes, and the mounting holes are arranged on both sides of the lower end of the brake shoe.

[0008] The convenient assembly comprises a mounting plate, an arc block and a shaft. The mounting plate is fixed on both sides of the lower end of the brake shoe and located on the side of the mounting hole. The shaft is rotatably connected to the side of the mounting plate and located below the mounting hole on one side. The arc block is fixed on the middle section of the shaft.

[0009] The wedge brake of the quick-release structure of the brake shoe further comprises a convenient assembly, a protection cover, a brake shoe return tension spring and a quick-release brake brake shoe return spring, the protection cover is clamped on the side edge of the brake base plate, the brake shoe return tension spring is clamped between the upper end of the brake shoe and the wedge self-adjuster, and the quick-release brake brake shoe return spring is clamped on the mounting holes of the two groups of brake shoes.

[0010] The wedge brake of the quick-release structure of the brake shoe further comprises a convenient assembly, a protection cover, a brake shoe return tension spring and a quick-release brake brake shoe return spring, the protection cover is clamped on the side edge of the brake base plate, the brake shoe return tension spring is clamped between the upper end of the brake shoe and the wedge self-adjuster, and the quick-release brake brake shoe return spring is clamped on the mounting holes of the two groups of brake shoes.

[0011] The wedge brake of the quick-release structure of the brake shoe further comprises a convenient assembly, a protection cover, a brake shoe return tension spring and a quick-release brake brake shoe return spring, the protection cover is clamped on the side edge of the brake base plate, the brake shoe return tension spring is clamped between the upper end of the brake shoe and the wedge self-adjuster, and the quick-release brake brake shoe return spring is clamped on the mounting holes of the two groups of brake shoes.

[0012] The wedge brake of the quick-release structure of the brake shoe further comprises a convenient assembly, a protection cover, a brake shoe return tension spring and a quick-release brake brake shoe return spring, the protection cover is clamped on the side edge of the brake base plate, the brake shoe return tension spring is clamped between the upper end of the brake shoe and the wedge self-adjuster, and the quick-release brake brake shoe return spring is clamped on the mounting holes of the two groups of brake shoes.

[0013] The wedge brake of the quick-release structure of the brake shoe further comprises a convenient assembly, a protection cover, a brake shoe return tension spring and a quick-release brake brake shoe return spring, the protection cover is clamped on the side edge of the brake base plate, the brake shoe return tension spring is clamped between the upper end of the brake shoe and the wedge self-adjuster, and the quick-release brake brake shoe return spring is clamped on the mounting holes of the two groups of brake shoes.

[0014] The wedge brake of the quick-release structure of the brake shoe further comprises a convenient assembly, a protection cover, a brake shoe return tension spring and a quick-release brake brake shoe return spring, the protection cover is clamped on the side edge of the brake base plate, the brake shoe return tension spring is clamped between the upper end of the brake shoe and the wedge self-adjuster, and the quick-release brake brake shoe return spring is clamped on the mounting holes of the two groups of brake shoes.

[0015] One, the utility model discloses a convenient assembly is set up, when needing to disassemble the lower end of brake shoe, press down the block in the through -hole, drive the block to move to the installation slot, and the extrusion spring is compressed, and the arc -shaped block of the inside of the installation plate is rotated, drives the rotation of the pivot, makes the quick-release brake brake shoe return spring hook position that is hinged on the arc -shaped block overturns upwards, until the quick-release brake brake shoe return spring hook removes the mounting hole, this setting, without needing to use external tools, is convenient for disassembling the quick-release brake brake shoe return spring, and the harm to the maintenance personnel is reduced simultaneously.

[0016] Two, the utility model discloses an adjusting assembly is set up, when needing to disassemble the quick-release brake brake shoe return spring, removes the block from the through -hole, and the arc -shaped block is pulled along the first recess and the second recess, until the arc -shaped block moves below the mounting hole, and the hook of quick-release brake brake shoe return spring is removed from the mounting hole by rotating the arc -shaped block, this setting is convenient for tightening the quick-release brake brake shoe return spring, and the stability after its connection is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure front view of the utility model;

[0018] Figure 2 It is the quick release brake shoe assembly schematic diagram of the utility model;

[0019] Figure 3 It is the convenient component structure schematic diagram of the utility model;

[0020] Figure 4 It is the arc block and the card block connection schematic diagram of the utility model.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, protective cover;2, wedge self-adjuster;3, brake shoe return tension spring;4, quick release brake shoe assembly;401, brake shoe;402, friction plate;403, first roller groove;404, second roller groove;405, mounting hole;5, brake base plate;6, quick release brake brake shoe return spring;701, mounting plate;702, arc block;703, rotating shaft;704, through hole;705, mounting groove;706, extrusion spring;707, card block;801, first recess;802, second recess. DETAILED DESCRIPTION

[0023] The utility model will be described in detail below in combination with the drawings and specific embodiments.

[0024] As Figures 1-4 Indicated, this embodiment is a kind of wedge brake of brake shoe quick release structure, including:

[0025] Brake assembly, brake assembly includes wedge self-adjuster 2, quick release brake shoe assembly 4 and brake base plate 5, wedge self-adjuster 2 is fixed in brake base plate 5 one end, quick release brake shoe assembly 4 is movably connected on brake base plate 5, and located at the both sides of wedge self-adjuster 2;

[0026] Quick release brake shoe assembly 4 includes brake shoe 401 and mounting hole 405, and mounting hole 405 is set up in the lower end both sides of brake shoe 401;

[0027] Brake assembly further includes protective cover 1, brake shoe return tension spring 3 and quick release brake brake shoe return spring 6, protective cover 1 is clamped in brake base plate 5 side, brake shoe return tension spring 3 is clamped between brake shoe 401 upper end and wedge self-adjuster 2, quick release brake brake shoe return spring 6 is clamped on the mounting hole 405 of two groups of brake shoe 401;

[0028] The quick-release brake shoe assembly 4 further comprises a friction plate 402, a first roller groove 403, and a second roller groove 404. The friction plate 402 is fixed to the outer side of the brake shoe 401. The first roller groove 403 is arranged in the middle lower end of the inner side of the brake shoe 401 and is located between the two mounting holes 405. The second roller groove 404 is arranged in the middle upper end of the inner side of the brake shoe 401.

[0029] The protective cover 1 plays a protective role. The wedge-type self-adjuster 2 can automatically adjust the brake clearance. The brake shoe return spring 3 is responsible for pulling the brake shoe 401 back to the original position, ensuring that the brake shoe 401 and the brake drum can be completely separated, and the brake function is released. The brake shoe 401 is the supporting structure of the friction plate 402. The friction plate 402 is attached to the outer surface of the brake shoe 401 and directly contacts the brake drum. The first roller groove 403 and the second roller groove 404 play a positioning role. The mounting hole 405 is used to install the quick-release brake shoe return spring 6. The brake base plate 5 plays a supporting role. The quick-release brake shoe return spring 6 is used to quickly disassemble or replace the brake shoe 401.

[0030] The convenient assembly comprises a mounting plate 701, an arc-shaped block 702, and a rotating shaft 703. The mounting plate 701 is fixed to the lower end of the brake shoe 401 on both sides and is located on the side of the mounting hole 405. The rotating shaft 703 is rotatably connected to the side of the mounting plate 701 and is located below one side of the mounting hole 405. The arc-shaped block 702 is fixed to the middle section of the rotating shaft 703.

[0031] The convenient assembly further comprises a through hole 704, a mounting groove 705, an extrusion spring 706, and a clamping block 707. The through hole 704 is arranged at the lower end of the mounting plate 701. The mounting groove 705 is arranged at the lower end of the arc-shaped block 702. One end of the extrusion spring 706 is fixed inside the mounting groove 705. One end of the clamping block 707 is fixed to the other end of the extrusion spring 706, and the clamping block 707 is movably connected inside the through hole 704 and the mounting groove 705.

[0032] The mounting plate 701 plays a supporting role. The arc-shaped block 702 plays a connecting role. The rotating shaft 703 facilitates the rotation of the arc-shaped block 702. The through hole 704 plays a limiting role. The mounting groove 705 facilitates the movement of the clamping block 707. The extrusion spring 706 has an extrusion effect. The clamping block 707 has a limiting effect.

[0033] Working principle:

[0034] When the lower end of the brake shoe 401 needs to be disassembled, the clamping block 707 in the through hole 704 is pressed down, driving the clamping block 707 to move into the mounting groove 705, compressing the extrusion spring 706, rotating the arc-shaped block 702 inside the mounting plate 701, driving the rotating shaft 703 to rotate, making the hooking position of the quick-release brake shoe return spring 6 on the arc-shaped block 702 flip upwards until the hooking position of the quick-release brake shoe return spring 6 moves out of the mounting hole 405.

[0035] This step can facilitate the disassembly of the quick-release brake brake shoe return spring 6 without using external tools, while reducing the injury to the maintenance personnel.

[0036] Please refer to Figures 2-3 The embodiment is based on the above-mentioned embodiments, and further comprises:

[0037] The adjusting assembly comprises a first groove 801 and a second groove 802, the first groove 801 is arranged on the upper end of the mounting plate 701 and above the through hole 704, and the second groove 802 is arranged on the lower end of the inner side of the brake shoe 401 and near the mounting hole 405.

[0038] One end of the rotating shaft 703 is inserted into the first groove 801, and the other end is inserted into the second groove 802.

[0039] The first groove 801 and the second groove 802 have the functions of limiting and adjusting.

[0040] Working principle:

[0041] When the quick-release brake brake shoe return spring 6 needs to be disassembled, the clamping block 707 is moved out of the through hole 704, the arc-shaped block 702 is pulled along the first groove 801 and the second groove 802 until the arc-shaped block 702 moves below the mounting hole 405, the arc-shaped block 702 is rotated, and the hook of the quick-release brake brake shoe return spring 6 is moved out of the mounting hole 405.

[0042] This step facilitates the tightening of the quick-release brake brake shoe return spring 6 and increases the stability after connection.

[0043] Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled in the art within the scope of the present application should also be within the protection scope of the present application.

Claims

1. A wedge brake of a quick release structure of a brake shoe, characterized by, Include: Brake assembly, the brake assembly includes wedge self-adjuster, quick release brake shoe assembly and brake bottom plate, the wedge self-adjuster is fixed at one end of brake bottom plate, quick release brake shoe assembly is movably connected on brake bottom plate, and is located at both sides of wedge self-adjuster; The quick release brake shoe assembly includes brake shoe and mounting hole, the mounting hole is opened at both sides of the lower end of brake shoe; Convenient assembly, the convenient assembly includes mounting plate, arc block, pivot;The mounting plate is fixed at both sides of the lower end of brake shoe, and is located at the side of mounting hole, the pivot is rotatably connected at the side of mounting plate, and is located below one side of mounting hole, and the arc block is fixed in the middle section of pivot.

2. A wedge brake of the quick release structure of the brake shoe according to claim 1, characterized in that, The convenient assembly further includes through hole, mounting groove, extrusion spring and clamping block, the through hole is opened at the lower end of mounting plate, the mounting groove is opened at the lower end of arc block, one end of extrusion spring is fixed in the mounting groove, one end of clamping block is fixed in the other end of extrusion spring, and the clamping block is movably connected in the through hole and mounting groove.

3. A wedge brake with quick release of the brake shoe according to claim 1, characterized in that The brake assembly further includes protective cover, brake shoe return tension spring and quick release brake brake shoe return spring, the protective cover is clamped at the side of brake bottom plate, the brake shoe return tension spring is clamped between the upper end of brake shoe and wedge self-adjuster, and the quick release brake brake shoe return spring is clamped on the mounting hole of two groups of brake shoes.

4. The wedge brake according to claim 1, wherein The quick release brake shoe assembly further includes friction plate, first roller groove and second roller groove, the friction plate is fixed at the outer side of brake shoe, the first roller groove is opened at the lower end of the middle part of the inner side of brake shoe, and is located between two mounting holes, and the second roller groove is opened at the upper end of the middle part of the inner side of brake shoe.

5. The wedge brake according to claim 1, wherein Further include adjusting assembly, the adjusting assembly includes first recess and second recess, the first recess is opened at the upper end of mounting plate, and is located above the through hole, and the second recess is opened at the middle part of the lower end of the inner side of brake shoe, close to mounting hole.

6. A wedge brake of the quick release type according to claim 1, characterized in that One end of the pivot is inserted into the first recess, and the other end is inserted into the second recess.

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