CN214661639U

CN214661639U - C type powder metallurgy brake lining structure

Info

Publication number: CN214661639U
Application number: CN202120503626.XU
Authority: CN
Inventors: 任方禄
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-09
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a C type powder metallurgy brake lining structure, including the clutch block, the backplate is installed to the clutch block below, the steel backing is installed to the backplate below, the backplate upper surface is equipped with the fluting, circular groove of stepping down is installed to steel backing upper surface one side, first riveting hole is installed to circular groove of stepping down internally, second riveting hole is installed to first riveting hole internally, product model mark piece is installed at steel backing upper surface middle part, product sequence mark piece is installed to product model mark piece one side; this C type powder metallurgy brake lining structure can reach and effectively improve braking effect through setting up clutch blocks, backplate, steel backing, fluting, elastic washer, regulation pole, step rivet, riveting strip, first circular rivet, the circular rivet of second, locating hole, has increased the life of brake lining, conveniently dismantles, has increased the laminating degree of friction surface with the brake disc.

Description

C type powder metallurgy brake lining structure

Technical Field

The utility model relates to a high-speed train braking technical field specifically is a C type powder metallurgy brake lining structure.

Background

The brake pad is a key part and a quick-wear part of a high-speed train braking system, the braking load of a train is greatly increased along with the continuous improvement of the running speed of a high-speed motor train unit, and the brake pad converts the huge kinetic energy generated during the running of the train into heat energy through friction during braking, so that the brake pad is required to have higher mechanical strength, good heat resistance and heat conductivity, stable friction performance, lower abrasion and reduction of the abrasion to wheels.

The prior art has the following defects or problems:

1. the existing brake pad is unreasonable in structural design, so that the brake pad is easy to bend and deform due to uneven heating under the action of alternating stress and high thermal load in high-speed braking of a train, the friction areas of the brake pad absorb different energy to cause eccentric wear, the steel back of the brake pad is bonded firmly to cause falling off, the brake pad rotates to cause abrasive dust collection, the generation of the phenomena can influence the braking efficiency, the service life of the brake pad is shortened, and meanwhile, the loading and unloading are difficult;

2. in the prior art, the friction block on the steel backing has a certain height difference within a tolerance range, and the friction surface of the friction block cannot be completely attached to the brake disc, so that the brake pad is easily subjected to local stress, and the braking effect is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a C type powder metallurgy brake lining structure to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a C type powder metallurgy brake lining structure, includes the clutch blocks, the backplate is installed to the clutch blocks below, the steel backing is installed to the backplate below, the backplate upper surface is equipped with the fluting, circular groove of stepping down is installed to steel backing upper surface one side, circular groove internally mounted that steps down has first riveting hole, first riveting hole internally mounted has the second riveting hole, steel backing upper surface mid-mounting has product model mark piece, product sequence mark piece is installed to product model mark piece one side.

As the utility model discloses an it is preferred technical scheme, be equipped with the friction clearance between clutch blocks and the steel backing, the elasticity packing ring is installed to the backplate below, the elasticity packing ring is equipped with a plurality of groups, the clutch blocks closely meets with the elasticity packing ring through the backplate, the clutch blocks is equipped with a plurality of groups on the backplate.

As the utility model discloses an optimal technical scheme, the regulation pole is installed to elastic washer below one side, elastic washer below mid-mounting has the step rivet, it distributes in elastic washer below both sides to adjust the pole.

As the utility model discloses a preferred technical scheme, the strip of riveting is installed to step rivet one side, rivet a circular rivet is installed to strip outer wall one end.

As the utility model discloses a preferred technical scheme, the circular rivet of second is installed to riveting strip outer wall opposite side, the locating hole is installed to step rivet below.

As the utility model discloses a preferred technical scheme, locating hole externally mounted has the constant head tank, rivet the strip through first circular rivet and the circular fix with rivet of second in the constant head tank.

As the utility model discloses an optimized technical scheme, circular groove of stepping down is equipped with a plurality of groups on the steel backing, first riveting hole and second riveting hole are equipped with a plurality of groups on the steel backing.

Compared with the prior art, the utility model provides a C type powder metallurgy brake lining structure possesses following beneficial effect:

1. the C-shaped powder metallurgy brake pad structure is characterized in that friction blocks, a back plate, a steel backing, a slot, a circular abdicating groove, a first riveting hole, a second riveting hole, a step rivet, a first circular rivet, a second circular rivet, a product model marking block and a product sequence marking block are arranged, wherein a plurality of groups of friction blocks are placed on the back plate and are positioned and fixed through friction material fixing holes, then the combined plate blocks are placed on the steel backing to be combined, the fixing holes at the bottom ends of the friction blocks are in butt joint with the circular abdicating groove on the surface of the steel backing and are fixed through the first riveting hole and the second riveting hole, in addition, the product model marking block and the product sequence marking block are arranged on the steel backing surface to facilitate product identification, wherein the friction blocks can be fixed through the first riveting hole and the second riveting hole to prevent the friction blocks from falling off, in addition, the step rivet penetrates through an elastic gasket, thereby, the elastic washer can be fixedly connected with the back plate and the steel back, the friction clearance is reduced, and the braking effect is improved;

2. the C-shaped powder metallurgy brake pad structure comprises a friction gap, an elastic gasket, an adjusting rod, a step rivet, a riveting strip, a positioning hole, a positioning groove, a friction block, a back plate and a steel back, wherein the back plate is tightly attached to the elastic gasket on the steel back, the friction gap is reduced to the maximum extent, the step rivet penetrates through the elastic gasket, so that the elastic gasket can be fixed between the back plate and the steel back, the elastic gasket can be compressed through the elastic gasket when the friction block is stressed and extruded downwards, in addition, deformation with different compression degrees can be carried out through arranging a plurality of elastic gaskets, a certain pressing cavity is reserved by arranging the adjusting rod on two sides below the elastic gasket, when the elastic gasket is stressed and extruded downwards by the friction block, enough space is provided for relative height adjustment, and under the condition that the friction block is not stressed, can support the clutch blocks and prevent its mode drunkenness, drive the elastic washer by adjusting the pole and upwards function, support in the backplate bottom to can prevent that the clutch blocks from carrying out the drunkenness phenomenon, and set up the constant head tank and fix a position fixedly bottom the steel backing, thereby can reduce the clutch blocks on the steel backing and have certain difference in height in the tolerance range, thereby can make friction surface and brake disc closely laminate.

Drawings

FIG. 1 is a schematic structural view of a C-shaped brake pad body of the present invention;

FIG. 2 is a schematic structural view of a C-shaped brake pad steel backing of the present invention;

FIG. 3 is a schematic top view of the C-shaped brake pad of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the C-shaped brake pad of the present invention.

In the figure: 1. a friction block; 2. a back plate; 3. a steel backing; 4. grooving; 5. a circular abdicating groove; 6. a first riveting hole; 7. a second riveting hole; 8. a product model number marking block; 9. product sequence label block; 10. a friction gap; 11. an elastic washer; 12. adjusting a rod; 13. step rivets; 14. riveting the strips; 15. a first circular rivet; 16. a second circular rivet; 17. positioning holes; 18. and (6) positioning a groove.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a C type powder metallurgy brake lining structure, including clutch block 1, backplate 2 is installed to 1 below of clutch block, the steel backing 3 is installed to 2 below of backplate, 2 upper surfaces of backplate are equipped with fluting 4, circular groove 5 of stepping down is installed to 3 upper surface one sides of the steel backing, circular groove 5 internally mounted that steps down has first riveting

hole

6, 6 internally mounted in first riveting hole have second riveting

hole

7, 3 upper surface mid-mounting in the steel backing have product model mark piece 8, product sequence mark piece 9 is installed to 8 one sides of product model mark piece.

In the embodiment, a friction gap 10 is arranged between a friction block 1 and a steel back 3, an elastic washer 11 is arranged below the back plate 2, the elastic washer 11 is provided with a plurality of groups, the friction block 1 is closely connected with the elastic washer 11 through the back plate 2, the friction block 1 is provided with a plurality of groups on the back plate 2, wherein the friction block 1 plays a role of friction stress pressing, the back of the steel back 3 plays a role of back support, the elastic washer 11 and the steel back 3 form an annular cavity, so that when the friction block 1 is pressed down under stress to compress the elastic washer 11, the relative height can be conveniently adjusted, an adjusting rod 12 is arranged on one side below the elastic washer 11, a step rivet 13 is arranged in the middle part below the elastic washer 11, the adjusting rod 12 is distributed on two sides below the elastic washer 11, wherein the adjusting rod 12 is convenient for adjusting the stress height, the step rivet 13 is used for main body fixation, and a riveting strip 14 is arranged on one side of the step rivet 13, a first round rivet 15 is arranged at one end of the outer wall of the rivet strip 14, wherein the rivet strip 14 plays a role of reducing pressure at two sides, the first round rivet 15 can fix one end of the rivet strip 14, the second round rivet 16 is arranged on the other side of the outer wall of the rivet strip 14, the positioning hole 17 is arranged below the step rivet 13, wherein the second round rivet 16 can fix the other end of the rivet strip 14, the positioning hole 17 plays a role of positioning and fixing, a positioning groove 18 is arranged outside the positioning hole 17, the rivet strip 14 is fixed in the positioning groove 18 through the first round rivet 15 and the second round rivet 16, wherein the positioning groove 18 is convenient for positioning and fixing, the round abdicating groove 5 is provided with a plurality of groups on the steel backing 3, the first riveting hole 6 and the second riveting hole 7 are provided with a plurality of groups on the steel backing 3, wherein set up a plurality of circular groove 5 of stepping down and conveniently assemble clutch blocks 1 on the steel backing 3, and can fix the structure about the steel backing 3 through first riveting hole 6 and second riveting hole 7.

The utility model discloses a theory of operation and use flow: when the novel C-shaped powder metallurgy brake pad structure is used, a plurality of groups of friction blocks 1 are firstly placed on a back plate 2 and positioned and fixed through friction material fixing holes, then the combined plate blocks are placed on a steel backing 3 to be combined, the fixing holes at the bottom end of the friction blocks 1 are butted on a round abdicating groove 5 on the surface of the steel backing 3 and are fixed through a first riveting hole 6 and a second riveting hole 7, in addition, a product model marking block 8 and a product sequence marking block 9 are arranged on the surface of the steel backing 3 to facilitate product identification, then the back plate 2 is tightly attached to an elastic gasket 11 on the steel backing 3, the friction gap 10 is reduced to the maximum extent, in addition, a step rivet 13 penetrates through the elastic gasket 11, thereby the elastic gasket 11 is fixed between the back plate 2 and the steel backing 3, and a certain downward pressing cavity is reserved by arranging adjusting rods 12 at two sides below the elastic gasket 11, when the elastic washer 11 is downwards extruded by the friction block 1 under the stress, enough space is provided for adjusting the relative height, and under the condition that the friction block 1 is not stressed, the friction block 1 can be supported to prevent the mode from moving, the elastic washer 11 is driven by the adjusting rod 12 to upwards operate and is propped against the bottom of the back plate 2, so that the friction block 1 can be prevented from moving, and the positioning groove 18 is arranged at the bottom of the steel back 3 for positioning and fixing.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a C type powder metallurgy brake lining structure which characterized in that: including clutch block (1), backplate (2) are installed to clutch block (1) below, steel backing (3) are installed to backplate (2) below, backplate (2) upper surface is equipped with fluting (4), circular groove (5) of stepping down is installed to steel backing (3) upper surface one side, circular groove (5) internally mounted that steps down has first riveting hole (6), first riveting hole (6) internally mounted has second riveting hole (7), steel backing (3) upper surface mid-mounting has product model mark piece (8), product sequence mark piece (9) are installed to product model mark piece (8) one side.

2. The type C powder metallurgy brake pad structure of claim 1, wherein: be equipped with friction clearance (10) between clutch blocks (1) and steel backing (3), backplate (2) below is installed elasticity packing ring (11), elasticity packing ring (11) are equipped with a plurality of groups, clutch blocks (1) closely meet through backplate (2) and elasticity packing ring (11), clutch blocks (1) are equipped with a plurality of groups on backplate (2).

3. The type C powder metallurgy brake lining structure of claim 2, wherein: an adjusting rod (12) is installed on one side below the elastic washer (11), a step rivet (13) is installed in the middle of the lower portion of the elastic washer (11), and the adjusting rod (12) is distributed on two sides of the lower portion of the elastic washer (11).

4. A type C powder metallurgy brake lining structure according to claim 3, wherein: rivet strip (14) is installed to step rivet (13) one side, rivet strip (14) outer wall one end and install first circular rivet (15).

5. The type C powder metallurgy brake pad structure of claim 4, wherein: and a second round rivet (16) is arranged on the other side of the outer wall of the riveting strip (14), and a positioning hole (17) is arranged below the step rivet (13).

6. The type C powder metallurgy brake pad structure of claim 5, wherein: and a positioning groove (18) is arranged outside the positioning hole (17), and the riveting strip (14) is fixed in the positioning groove (18) through a first circular rivet (15) and a second circular rivet (16).

7. The type C powder metallurgy brake pad structure of claim 1, wherein: the round abdicating groove (5) is provided with a plurality of groups on the steel backing (3), and the first riveting hole (6) and the second riveting hole (7) are provided with a plurality of groups on the steel backing (3).