CN211599367U

CN211599367U - Steel backing and dovetail assembly of bullet train brake pad

Info

Publication number: CN211599367U
Application number: CN201922465073.9U
Authority: CN
Inventors: 许翔
Original assignee: Yuhuan Shuangxiang Machinery Co ltd
Current assignee: Yuhuan Shuangxiang Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-29
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a motor car brake block steel backing and forked tail subassembly, including the steel backing, the sign is laid to the brake block, brake block rivet hole, first dovetail, second dovetail, the forked tail limit, the forked tail board preformed hole, forked tail rivet, the steel backing front side openly is equipped with a plurality of brake blocks and lays the sign, the sign centre of a circle department is laid to the brake block is equipped with brake block rivet hole, steel backing rear side back fixed mounting has first dovetail, both sides all are equipped with first dovetail about the first dovetail, first dovetail rear side back fixed mounting has second dovetail, both sides all are equipped with the second dovetail about the second dovetail, first dovetail all are equipped with the forked tail limit with the upper and lower both ends of second dovetail. The utility model discloses in overlap through preformed hole and riveting hole, be convenient for installation and inspection restrain through two kinds of dovetail plates and warp the improvement life-span.

Description

Steel backing and dovetail assembly of bullet train brake pad

Technical Field

The utility model relates to a traffic braking technical field especially relates to a motor car brake block steel backing and forked tail subassembly.

Background

The train braking device is used for realizing the deceleration or stop operation of a train and ensuring the driving safety, the working principle of the braking mainly comes from friction, the kinetic energy of the advancing vehicle is converted into the heat energy after the friction by utilizing the friction between a brake pad and a brake disc, and the vehicle is stopped; and the deformation is easily caused by high temperature caused by overlong use time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a steel backing and a dovetail component of a brake block of a bullet train.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bullet train brake block steel backing and forked tail subassembly, includes that steel backing, brake block lay sign, brake block rivet hole, first forked tail board, first dovetail, second forked tail board, second dovetail, forked tail limit, forked tail board preformed hole, forked tail rivet, steel backing front side openly is equipped with a plurality of brake blocks and lays the sign, the brake block is laid sign centre of a circle department and is equipped with brake block rivet hole, steel backing back side back fixed mounting has first forked tail board, both sides all are equipped with first dovetail about the first forked tail board, first forked tail board back side fixed mounting has second forked tail board, both sides all are equipped with the second dovetail about the second forked tail board, the upper and lower both ends of first forked tail board and second forked tail board all are equipped with the forked tail limit, be equipped with a plurality of one-to-one rivet holes on steel backing, first forked tail board and the second forked tail board respectively, and a dovetail rivet is embedded in the dovetail rivet hole.

As a further description of the above technical solution: dovetail rivet holes which are arranged on the steel backing, the first dovetail plate and the second dovetail plate in a one-to-one correspondence mode are arranged on the same central axis.

As a further description of the above technical solution: the first dovetail groove and the second dovetail groove are on the same horizontal line.

As a further description of the above technical solution: and the size of the second dovetail groove is matched with that of the first dovetail groove.

As a further description of the above technical solution: the dovetail plate preformed hole penetrates through the first dovetail plate and the second dovetail plate and is in one-to-one correspondence with the brake pad rivet holes, and the dovetail plate preformed hole and the corresponding brake pad rivet holes are on the same central axis.

As a further description of the above technical solution: the forked tail rivet hole is equipped with three groups, and every group is respectively on a horizontal line.

Has the advantages that:

1. the utility model discloses in, overlap mutually through the brake subassembly riveting hole on the preformed hole on the forked tail subassembly and the steel backing, the installation and the riveting of the brake subassembly of not only being convenient for, still the direct observation riveting condition, the riveting quality is conveniently confirmed.

2. Secondly, through the difference of the heat absorption capacity of the two dovetail plates, after the dovetail plate in the inner interlayer is heated after being used for a long time, the outer dovetail plate can inhibit the dovetail plate in the interlayer from deforming at high temperature, and the service life of the dovetail assembly is further prolonged.

Drawings

Fig. 1 is a schematic view of a front view structure of the present invention;

FIG. 2 is a schematic diagram of the cross-sectional side view of the present invention;

fig. 3 is a schematic view of the back-view structure of the present invention.

Illustration of the drawings:

a steel backing 1; a brake pad placing mark 2; a brake pad rivet hole 3; a first dovetail plate 4; a first dovetail groove 5; a second dovetail plate 6; a second dovetail groove 7; dovetail edge 8; a dovetail plate reserved hole 9; a dovetail rivet hole 10; a dovetail rivet 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a steel backing and dovetail assembly of a bullet train brake pad comprises a steel backing 1, a brake pad placing mark 2, a brake pad rivet hole 3, a first dovetail plate 4, a first dovetail groove 5, a second dovetail plate 6, a second dovetail groove 7, dovetail edges 8, dovetail plate preformed holes 9, dovetail rivet holes 10 and dovetail rivets 11, wherein the front side of the steel backing 1 is provided with a plurality of brake pad placing marks 2, the circle center of the brake pad placing mark 2 is provided with the brake pad rivet hole 3, the back side of the rear side of the steel backing 1 is fixedly provided with the first dovetail plate 4, the upper side and the lower side of the first dovetail plate 4 are respectively provided with the first dovetail groove 5, the back side of the rear side of the first dovetail plate 4 is fixedly provided with the second dovetail plate 6, the upper side and the lower side of the second dovetail plate 6 are respectively provided with the second dovetail grooves 7, the upper dovetail edges and the lower ends of the first dovetail plate 4 and the second dovetail plate 6 are respectively provided with the dovetail holes 10 corresponding to each other, the dovetail rivet 11 is embedded in the dovetail rivet hole 10.

Preferably, the steel backing 1, dovetail rivet holes 10 which are arranged on the first dovetail plate 4 and the second dovetail plate 6 in a one-to-one correspondence mode are arranged on the same central axis, the first dovetail plate 4 and the second dovetail plate 6 are fixed on the steel backing 1 through the dovetail rivets 11 conveniently, the first dovetail groove 5 and the second dovetail groove 7 are arranged on the same horizontal line and are beneficial to the laminating installation of the two dovetail plates, the size of the second dovetail groove 7 is matched with the size of the first dovetail groove 5 and is beneficial to the laminating installation of the two dovetail plates, dovetail plate reserved holes 9 penetrate through the first dovetail plate 4 and the second dovetail plate 6 and are in one-to-one correspondence with the brake rivet holes 3, the dovetail plate reserved holes 9 and the corresponding brake pad rivet holes 3 are arranged on the same central axis, the riveting and back observation of a brake assembly are convenient, three groups of the rivet holes 10 are arranged, and are respectively arranged on one horizontal line, and the first dovetail plate 4 and the second dovetail plate 6 are more stable on the steel backing 1.

When the riveting device is used, the brake assembly is aligned to the brake pad placing mark 2, the brake assembly is riveted and installed on the steel backing 1 through the brake pad rivet hole 3 and the dovetail plate reserved hole 9, the brake pad rivet hole 3 and the dovetail plate reserved hole 9 are on the same central axis, the brake assembly is convenient to install, the riveting condition can be directly observed through the first dovetail groove 5, the second dovetail groove 7 and the dovetail plate reserved hole 9, and the riveting quality is convenient to confirm;

when carrying out the braking brake, brake assembly's heat transfer is for behind the steel backing 1, first dovetail plate 4 also can receive the influence with second dovetail plate 6, through first dovetail 5, second dovetail 7 makes the circulation of air, 8 increases of dovetail limit and air area of contact, improve the heat dissipation rate, second dovetail plate 6 closely laminates on first dovetail plate 4, because the heat that first dovetail plate 4 absorbs is higher than second dovetail plate 6, first dovetail plate 4 is in the high temperature state, when braking under the high temperature state, first dovetail plate 4 of second dovetail plate 6 fastening can prevent that first dovetail plate 4 from warping.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bullet train brake block steel backing and forked tail subassembly comprises a steel backing (1), a brake block placing mark (2), a brake block rivet hole (3), a first forked tail plate (4), a first dovetail groove (5), a second forked tail plate (6), a second dovetail groove (7), a forked tail edge (8), a forked tail plate preformed hole (9), a forked tail rivet hole (10) and a forked tail rivet (11), and is characterized in that the front side of the steel backing (1) is provided with a plurality of brake block placing marks (2), the circle center of the brake block placing mark (2) is provided with the brake block rivet hole (3), the back of the rear side of the steel backing (1) is fixedly provided with the first forked tail plate (4), the upper side and the lower side of the first forked tail plate (4) are provided with the first dovetail grooves (5), the back of the rear side of the first forked tail plate (4) is fixedly provided with the second forked tail plate (6), the upper side and the lower side of the second forked tail plate (6) are provided with the second dovetail grooves (7), first dovetail board (4) all are equipped with dovetail limit (8) with the upper and lower both ends of second dovetail board (6), be equipped with forked tail rivet hole (10) of a plurality of one-to-one on steel backing (1), first dovetail board (4) and second dovetail board (6) respectively, forked tail rivet (11) are installed to the downthehole embedding of forked tail rivet hole (10).

2. The steel backing and dovetail assembly of the bullet train brake block of claim 1, characterized in that the dovetail rivet holes (10) of the steel backing (1), the first dovetail plate (4) and the second dovetail plate (6) are arranged on the same central axis.

3. The bullet train brake pad steel backing and dovetail assembly of claim 1, wherein said first dovetail groove (5) and second dovetail groove (7) are on the same horizontal line.

4. A bullet train brake disc steel backing and dovetail assembly according to claim 1, characterized in that the second dovetail groove (7) is dimensioned to fit the first dovetail groove (5).

5. The steel backing and dovetail assembly of the bullet train brake block of claim 1, characterized in that the dovetail plate preformed hole (9) penetrates the first dovetail plate (4) and the second dovetail plate (6) and is in one-to-one correspondence with the brake block rivet hole (3), and the dovetail plate preformed hole (9) and the corresponding brake block rivet hole (3) are on the same central axis.

6. The steel backing and dovetail assembly of a bullet train brake pad according to claim 1, wherein said dovetail rivet holes (10) are provided in three groups, each group being on a horizontal line.