Crimping type brake pad for railway vehicle

Abstract

The utility model relates to the technical field of brake pads, in particular to a compression joint type brake pad for a railway vehicle, which comprises a mounting seat, two groups of corresponding hexagonal friction blocks are arranged on the front surface of the mounting seat, and hexagonal connecting columns are fixedly arranged on the back surfaces of the hexagonal friction blocks. A hexagonal counter bore matched with the hexagonal friction block is formed in the front face of the mounting base, and a hexagonal inserting groove matched with the hexagonal connecting column is formed in the inner bottom wall of the hexagonal counter bore. According to the brake pad, the first locking assembly is arranged, when the brake pad is actually installed, the hexagonal connecting column can be rapidly and effectively locked, the hexagonal friction block can be rapidly installed and locked, the arc-shaped plate and the friction block only need to be pulled out at a time when the brake pad is disassembled, and the brake pad is convenient to disassemble. Therefore, when the brake pad is actually replaced, the defect that in the prior art, a friction block cannot be rapidly disassembled and assembled is effectively overcome.

Description

Technical Field

[0001] The utility model belongs to the technical field of brake pads, in particular to a crimping type brake pad for rail vehicles. Background Art

[0002] When a high-speed train brakes urgently, the brake pads and brake discs are required to rub against each other, consuming the huge kinetic energy of the train in a short period of time to brake the train.

[0003] In the prior art, a rail transit vehicle brake pad with publication number CN215567522U adopts the scheme of "including a steel back, a shock-absorbing and sound-absorbing plate and a friction mechanism, the shock-absorbing and sound-absorbing plate is cooperatively connected to the upper surface of the steel back, the friction mechanism is detachably connected to the upper surface of the shock-absorbing and sound-absorbing plate, the friction mechanism is composed of a friction block, a reinforcement connecting rod a and a reinforcement connecting rod b, the reinforcement connecting rod a is fixedly connected to the upper end of the inner wall of the friction block, and there are multiple friction blocks, and the reinforcement connecting rod b is fixedly connected to the lower end of the inner wall of the friction block". The friction mechanism of this scheme has high structural strength, can disperse the transmitted torsional force when in use, avoid breakage at the connection of the friction mechanism, improve the use effect, and can effectively prevent corrosion, will not be damaged after long-term use, and has a long service life.

[0004] However, the above scheme still has some shortcomings. For example, during the actual installation of the friction blocks on the brake pad, each single friction block is fixed on the steel back by two bolts. The installation process is relatively cumbersome, and when the friction block needs to be replaced, the disassembly is also very cumbersome. That is, the technical solution proposed by the above patent technology has the defect that the friction block cannot be quickly disassembled and installed. Utility Model Content

[0005] The utility model aims to provide a crimping type rail vehicle brake pad, which at least solves at least one problem in the background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A crimped rail vehicle brake pad comprises a mounting seat, the front of the mounting seat is provided with two groups of corresponding hexagonal friction blocks, the back of the hexagonal friction blocks is fixedly provided with a hexagonal connecting column, and the front of the mounting seat is provided with a hexagonal countersunk hole adapted to the hexagonal friction block, the inner bottom wall of the hexagonal countersunk hole is provided with a hexagonal plug-in groove adapted to the hexagonal connecting column, the friction block can be a component with friction function such as a rubber layer, a rubber pad, etc., and the friction block can be set in a manner of being sleeved on the hexagonal connecting column or pasted on the end of the hexagonal connecting column;

[0008] A first locking assembly for locking the hexagonal friction block is arranged inside the mounting seat, and the first locking assembly includes an arc-shaped groove formed on the upper surface of the mounting seat, and an arc-shaped plate plugged and fixed to the inner wall of the arc-shaped groove, the inner arc of the arc-shaped plate is provided with a plurality of rectangular locking columns equidistantly fixed in a circular array, the inner wall of the arc-shaped groove is provided with a rectangular plug-in groove extending into the two hexagonal plug-in grooves, and the surface of the hexagonal connecting column is provided with a rectangular locking groove matching the rectangular locking column.

[0009] Furthermore, a magnetic block is embedded in the inner arc surface of the arc-shaped plate, and a magnetic strip that is magnetically attracted to the magnetic block is embedded in the inner wall of the arc-shaped groove, and a handle is fixed on the outer arc surface of the arc-shaped plate.

[0010] Furthermore, a second locking assembly for locking a plurality of rectangular locking columns is provided on the front side of the mounting seat.

[0011] Furthermore, the second locking assembly includes an arc-shaped bar arranged on the front side of the mounting seat, and a plurality of plug posts fixed on the back side of the arc-shaped bar and corresponding to the plurality of rectangular locking posts, and two symmetrical pull blocks are fixed on the surface of the arc-shaped bar for facilitating pulling of the arc-shaped bar.

[0012] Furthermore, a cylindrical cavity corresponding to a plurality of rectangular locking columns is opened inside the mounting seat, and a sliding disk is slidably provided on the inner wall of the cylindrical cavity. One end of the plug column away from the arc strip extends into the interior of the cylindrical cavity and is fixedly connected to the surface of the sliding disk.

[0013] Furthermore, a spring is sleeved on the outer surface of the plug column, and the two ends of the spring are fixedly connected to the inner wall of the cylindrical cavity and the surface of the sliding disk respectively, and a sliding hole extending into the interior of the cylindrical cavity and slidingly connected to the outer surface of the plug column is opened on the front side of the mounting seat.

[0014] Furthermore, a positioning column is fixedly provided on the surface of the sliding disk, a through hole extending into the rectangular plug-in slot for sliding of the positioning column is provided on the inner wall of the cylindrical cavity, and a positioning hole matching the positioning column is provided on the surface of the rectangular locking column.

[0015] Compared with the prior art, the crimped rail vehicle brake pad described in the utility model has the following beneficial effects:

[0016] (1) The crimping type rail vehicle brake pad described in the utility model can realize the rapid and effective locking of the hexagonal connecting column and the rapid installation and locking of the hexagonal friction block by providing the first locking assembly during the actual installation of the brake pad. Moreover, when disassembling, it is only necessary to pull out the arc plate and the friction block at one time, thereby effectively solving the defect of the existing technology that the friction block cannot be quickly disassembled and installed when the brake pad is actually replaced;

[0017] (2) The utility model discloses a crimp-type rail vehicle brake pad. By providing a second locking assembly, the positioning column can be inserted inwardly into the positioning hole on the rectangular locking column under the action of a spring, thereby achieving effective locking and positioning of the rectangular locking column, thereby effectively improving the firmness and stability of the hexagonal friction block after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0021] Figure 3 This is a schematic diagram of the front section structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the side section structure of the utility model;

[0023] Figure 5 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0024] Description of reference numerals:

[0025] 1. Mounting seat; 2. Hexagonal friction block; 3. Hexagonal connecting column; 4. Hexagonal countersunk hole; 5. Hexagonal plug-in slot; 6. First locking assembly; 601. Arc plate; 602. Rectangular locking column; 603. Rectangular plug-in slot; 604. Rectangular locking slot; 605. Magnetic block; 606. Magnetic strip; 7. Second locking assembly; 701. Arc strip; 702. Plug column; 703. Sliding plate; 704. Spring; 705. Positioning column; 706. Positioning hole; 707. Pull block. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] According to the attached Figure 1-5As shown, the embodiment of the utility model provides a crimping type rail vehicle brake pad, including a mounting seat 1, two groups of corresponding hexagonal friction blocks 2 are arranged on the front of the mounting seat 1, and a hexagonal connecting column 3 is fixed on the back of the hexagonal friction block 2, wherein the hexagonal arrangement of the hexagonal friction block 2 and the hexagonal connecting column 3 effectively increases the contact area between them and the mounting seat 1, so that the connection between the hexagonal friction block 2 and the hexagonal connecting column 3 and the mounting seat 1 is more stable, and the front of the mounting seat 1 is provided with a hexagonal countersunk hole 4 adapted to the hexagonal friction block 2, and the inner bottom wall of the hexagonal countersunk hole 4 is provided with a hexagonal plug-in groove 5 adapted to the hexagonal connecting column 3;

[0029] A first locking assembly 6 for locking the hexagonal friction block 2 is arranged inside the mounting seat 1. The first locking assembly 6 includes an arc-shaped groove formed on the upper surface of the mounting seat 1, and an arc-shaped plate 601 plugged and fixed on the inner wall of the arc-shaped groove. The inner arc of the arc-shaped plate 601 is provided with a plurality of rectangular locking columns 602 equidistantly fixed in a circular array. The inner wall of the arc-shaped groove is provided with a rectangular plug-in groove 603 extending into the two hexagonal plug-in grooves 5. The surface of the hexagonal connecting column 3 is provided with a rectangular locking groove 604 matched with the rectangular locking column 602.

[0030] A magnetic block 605 is embedded in the inner arc surface of the arc plate 601 , and a magnetic strip 606 magnetically attracted to the magnetic block 605 is embedded in the inner wall of the arc groove. A handle is fixed on the outer arc surface of the arc plate 601 .

[0031] Among them, the utility model sets a first locking component 6, so that when the brake pad is actually installed, several hexagonal friction blocks 2 can be first inserted into the hexagonal countersunk hole 4, and the hexagonal connecting column 3 can be inserted into the hexagonal plug-in groove 5, and then the arc plate 601 is pressed downward to insert the rectangular locking column 602 into the rectangular plug-in groove 603 and into the rectangular locking groove 604 on the hexagonal connecting column 3, so as to achieve effective locking of the hexagonal connecting column 3. At the same time, the arc plate 601 can be fixed in the arc groove under the action of the magnetic block 605 and the magnetic strip 606, so as to achieve rapid installation and locking of the hexagonal friction block 2, and when disassembling, it is only necessary to pull out the arc plate 601 and the hexagonal friction block 2 in turn, so that the brake pad can effectively solve the defect of the existing technology that the friction block cannot be quickly disassembled and installed when the actual replacement is carried out.

[0032] A second locking assembly 7 for locking a plurality of rectangular locking columns 602 is disposed on the front side of the mounting base 1 .

[0033] The second locking assembly 7 includes an arc strip 701 arranged on the front side of the mounting base 1, and a plurality of plug posts 702 fixed on the back side of the arc strip 701 and corresponding to the plurality of rectangular locking posts 602, and two symmetrical pull blocks 707 are fixed on the surface of the arc strip 701 for facilitating pulling of the arc strip 701.

[0034] A cylindrical cavity corresponding to a plurality of rectangular locking columns 602 is provided inside the mounting base 1 , and a sliding plate 703 is slidably provided on the inner wall of the cylindrical cavity. One end of the plug column 702 away from the arc strip 701 extends into the interior of the cylindrical cavity and is fixedly connected to the surface of the sliding plate 703 .

[0035] A spring 704 is sleeved on the outer surface of the plug post 702, and the two ends of the spring 704 are fixedly connected to the inner wall of the cylindrical cavity and the surface of the sliding disk 703 respectively, and a sliding hole extending into the cylindrical cavity and slidably connected to the outer surface of the plug post 702 is opened on the front side of the mounting seat 1.

[0036] A positioning column 705 is fixedly provided on the surface of the sliding plate 703 , a through hole extending into the rectangular insertion slot 603 for the positioning column 705 to slide is opened on the inner wall of the cylindrical cavity, and a positioning hole 706 adapted to the positioning column 705 is opened on the surface of the rectangular locking column 602 .

[0037] Among them, the utility model sets a second locking component 7. When positioning the hexagonal friction block 2, the arc strip 701 can be pulled upward by the pull block 707 to drive the positioning column 705 to move outward. After the hexagonal friction block 2 is positioned, the arc strip 701 can be loosened. At this time, the positioning column 705 can be inserted inward into the positioning hole 706 on the rectangular locking column 602 under the action of the spring 704, thereby realizing effective locking and positioning of the rectangular locking column 602, thereby effectively improving the firmness and stability of the hexagonal friction block 2 after installation.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crimped rail vehicle brake pad, comprising a mounting seat (1), characterized in that: The front side of the mounting seat (1) is provided with two groups of corresponding hexagonal friction blocks (2), the back side of the hexagonal friction blocks (2) is fixedly provided with a hexagonal connecting column (3), and the front side of the mounting seat (1) is provided with a hexagonal countersunk hole (4) matching the hexagonal friction block (2), and the inner bottom wall of the hexagonal countersunk hole (4) is provided with a hexagonal plug-in groove (5) matching the hexagonal connecting column (3); A first locking assembly (6) for locking the hexagonal friction block (2) is arranged inside the mounting seat (1), and the first locking assembly (6) comprises an arc-shaped groove formed on the upper surface of the mounting seat (1), and an arc-shaped plate (601) plugged and fixed to the inner wall of the arc-shaped groove, the inner arc of the arc-shaped plate (601) is provided with a plurality of rectangular locking columns (602) equidistantly fixed in a circular array, the inner wall of the arc-shaped groove is provided with a rectangular plug-in groove (603) extending into the inside of the two hexagonal plug-in grooves (5), and the surface of the hexagonal connecting column (3) is provided with a rectangular locking groove (604) adapted to the rectangular locking column (602).

2. A crimped rail vehicle brake pad according to claim 1, characterized in that: A magnetic block (605) is embedded in the inner arc surface of the arc-shaped plate (601), and a magnetic strip (606) magnetically attracted to the magnetic block (605) is embedded in the inner wall of the arc-shaped groove. A handle is fixedly provided on the outer arc surface of the arc-shaped plate (601).

3. The crimped rail vehicle brake pad according to claim 1, characterized in that: A second locking assembly (7) for locking a plurality of rectangular locking columns (602) is provided on the front side of the mounting seat (1).

4. A crimped rail vehicle brake pad according to claim 3, characterized in that: The second locking assembly (7) comprises an arc-shaped bar (701) arranged on the front side of the mounting seat (1), and a plurality of plug-in columns (702) fixedly arranged on the back side of the arc-shaped bar (701) and corresponding to the plurality of rectangular locking columns (602), and two symmetrical pulling blocks (707) are fixedly arranged on the surface of the arc-shaped bar (701) for facilitating pulling of the arc-shaped bar (701).

5. A crimped rail vehicle brake pad according to claim 4, characterized in that: The interior of the mounting seat (1) is provided with a columnar cavity corresponding to a plurality of rectangular locking columns (602), and a sliding disk (703) is slidably provided on the inner wall of the columnar cavity, and one end of the plug column (702) away from the arc strip (701) extends into the interior of the columnar cavity and is fixedly connected to the surface of the sliding disk (703).

6. A crimped rail vehicle brake pad according to claim 5, characterized in that: The outer surface of the plug post (702) is sleeved with a spring (704), and the two ends of the spring (704) are fixedly connected to the inner wall of the cylindrical cavity and the surface of the sliding disk (703) respectively, and the front side of the mounting seat (1) is provided with a sliding hole extending into the interior of the cylindrical cavity and slidably connected to the outer surface of the plug post (702).

7. A crimped rail vehicle brake pad according to claim 6, characterized in that: A positioning column (705) is fixedly arranged on the surface of the sliding plate (703), a through hole extending into the rectangular insertion groove (603) for the positioning column (705) to slide is opened on the inner wall of the columnar cavity, and a positioning hole (706) adapted to the positioning column (705) is opened on the surface of the rectangular locking column (602).

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