Traction center rubber pile for bogie

By designing a traction center rubber stack including a traction beam and a rubber stack mechanism, the problem of insufficient radial stiffness and vibration damping effects in the prior art is solved, and effective transmission and absorption of longitudinal, vertical and transverse forces are achieved. Improves the stability and comfort of the vehicle.

CN222360957UActive Publication Date: 2025-01-17LIYANG ZHENDA RAILWAY PROD CO LTD
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Patent Information

Application Number
CN202421277678.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-01-17
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

The existing traction center rubber piles are difficult to meet the requirements of single and grouped oriented stiffness, and provide sufficient vibration damping effect when transmitting longitudinal, vertical and lateral forces, especially when the vehicle body rolls, lateral movement and vertical movement. Inadequate shear and torsional tolerance.

Method used

A traction center rubber pile consisting of a traction beam and a rubber pile mechanism is designed. The rubber pile mechanism consists of a base plate, a rubber layer, a partition, a top plate, an upper joint ball, a shock absorber and a lower joint ball, and is connected by sliding and fixed connection. Achieve flexible transmission of longitudinal, vertical and transverse tension and pressure, and improve overall stiffness and vibration damping effect through vibration dampers.

Benefits of technology

It realizes effective transmission and absorption of longitudinal, vertical and transverse forces, improves the stability and durability of the frame, meets the requirements of radial stiffness, and enhances the comfort and vibration damping effect of the vehicle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a traction center rubber-metal pad for a bogie, which comprises a traction beam, a mounting groove is arranged on the front surface of the traction beam, a mounting plate is fixedly connected to the inner surface of the mounting groove, and a connecting hole and a rubber-metal pad mechanism are arranged on the front surface of the mounting plate. The rubber-metal pad mechanism comprises a bottom plate, a rubber layer, a partition plate, a top plate, an upper joint ball, a shock absorber and a lower joint ball, the rear surface of the bottom plate is fixedly connected with the rubber layer, the rear surface of the rubber layer is fixedly connected with the top plate, the partition plate is arranged in the middle of the rubber layer, and the inner surface of the bottom plate is slidably connected with the lower joint ball. The outer surface of the upper joint ball is fixedly connected with the shock absorber, through the arranged rubber pad mechanism, longitudinal, vertical and transverse tension and pressure can be transmitted in a flexible connection mode, the requirement for single or grouped rigidity in all directions can be met, comfort is improved, vibration can be absorbed and reduced, and the stability and durability of a frame can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bogies, in particular to a traction center rubber pile for bogies. Background Art

[0002] The traction center rubber pile is composed of a bottom plate, an upper plate, a partition, and rubber vulcanization. It connects the bogie frame and the car body traction pin. It is used to transmit longitudinal force and withstand the shear force and torsion caused by the car body rolling, lateral movement and vertical movement. It realizes flexible connection, provides appropriate anisotropic stiffness, improves vibration reduction and buffering effects, and improves comfort. However, in addition to meeting the anisotropic stiffness of a single traction center rubber pile, it is currently necessary to meet the overall anisotropic stiffness of a group of four, and the overall lateral and vertical displacements are large displacements. In order to meet this requirement, we need to develop a new structure of traction center rubber pile to solve this problem. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a traction center rubber pile for a bogie, which can realize flexible connection and transmission of longitudinal, vertical and lateral tension and pressure through the arranged rubber pile mechanism, and can also meet the individual and group directional stiffness, improve comfort, and can also absorb and reduce vibration, and improve the stability and durability of the frame.

[0004] The utility model also provides a traction center rubber pile for a bogie, comprising a traction beam, a front surface of the traction beam is provided with a mounting groove, an inner surface of the mounting groove is fixedly connected with a mounting plate, and a front surface of the mounting plate is provided with a connecting hole.

[0005] A rubber pile mechanism, the rubber pile mechanism includes a bottom plate, a rubber layer, a partition, a top plate, an upper joint ball, a shock absorber and a lower joint ball, the rear surface of the bottom plate is fixedly connected to the rubber layer, the rear surface of the rubber layer is fixedly connected to the top plate, the partition is arranged in the middle of the rubber layer, the inner surface of the bottom plate is slidably connected to the lower joint ball, the inner surface of the top plate is slidably connected to the upper joint ball, the outer surface of the upper joint ball is fixedly connected to the shock absorber, and the end of the shock absorber away from the upper joint ball is fixedly connected to the lower joint ball, the front surface of the bottom plate is provided with a first connecting piece, and the rear surface of the top plate is provided with a second connecting piece. The rubber pile mechanism can realize flexible connection to transmit longitudinal, vertical and lateral tension and pressure, and can also meet single and group isotropic stiffness, improve comfort, and can also absorb and reduce vibration, improve the stability and durability of the frame.

[0006] According to the traction center rubber pile for a bogie, the front surface of the partition is fixedly connected to the rubber layer, and the rear surface of the partition is fixedly connected to the rubber layer, thereby increasing the shear force and torsion generated by the vehicle body rolling, lateral movement and vertical movement that the rubber pile can withstand.

[0007] According to the traction center rubber pile for a bogie, the front surface of the bottom plate is provided with mounting holes, and the number of the mounting holes is four and arranged in a rectangular array, so as to facilitate the connection of the rubber pile with other components.

[0008] According to the traction center rubber pile for a bogie, a first ball groove is provided on the rear surface of the base plate, and the outer surface of the lower joint ball is slidably connected to the first ball groove, so that the flexible rotation of the joint ball on the base plate drives the flexible movement of the shock absorber.

[0009] According to the traction center rubber stack for a bogie, a second ball groove is provided on the front surface of the top plate, and the outer surface of the upper joint ball is slidably connected to the second ball groove, so that the flexible rotation of the joint ball on the top plate drives the flexible movement of the shock absorber.

[0010] According to the traction center rubber pile for a bogie, the outer surface of the top plate is slidably connected to the mounting groove, and the outer surface of the second connecting member is slidably connected to the connecting hole, which facilitates the connection between the rubber pile and the traction beam.

[0011] According to the traction center rubber pile for a bogie, the rear surface of the top plate is fixedly connected to the mounting plate, and the number of the mounting plates is two and they are distributed left and right.

[0012] According to the traction center rubber pile for a bogie, the traction center rubber pile is formed by vulcanizing a bottom plate, an upper plate, a partition plate, and rubber.

[0013] According to the traction center rubber pile for a bogie, a center pin hole is provided on the upper surface of the traction beam, and the number of the shock absorbers is two and they are released on the left and right sides, so as to make the vibration reduction effect of the rubber pile more uniform.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structural diagram of a traction center rubber pile for a bogie of the utility model;

[0017] Figure 2This is an exploded structural diagram of a traction center rubber pile for a bogie of the utility model;

[0018] Figure 3 This is a partial structural diagram of a traction center rubber pile for a bogie of the utility model;

[0019] Figure 4 The utility model is a partial structural cross-sectional view of a traction center rubber pile for a bogie.

[0020] Legend:

[0021] 1. Traction beam; 2. Mounting groove; 3. Mounting plate; 4. Connection hole; 5. Bottom plate; 6. Rubber layer; 7. Partition plate; 8. Top plate; 9. Upper joint ball; 10. Shock absorber; 11. Lower joint ball; 12. First connecting piece; 13. Second connecting piece; 14. Mounting hole; 15. First ball groove; 16. Second ball groove; 17. Center pin hole. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a traction center rubber pile for a bogie, comprising: a traction beam 1, the upper surface of the traction beam 1 is provided with a center pin hole 17, the front surface of the traction beam 1 is provided with a mounting groove 2, the inner surface of the mounting groove 2 is fixedly connected with a mounting plate 3, and the front surface of the mounting plate 3 is provided with a connecting hole 4.

[0024] The rubber pile mechanism includes a bottom plate 5, a rubber layer 6, a partition plate 7, a top plate 8, an upper joint ball 9, a shock absorber 10 and a lower joint ball 11. The number of shock absorbers 10 is two and they are distributed on the left and right. The outer surface of the top plate 8 is slidably connected to the mounting groove 2. The rear surface of the top plate 8 is fixedly connected to the mounting plate 3. The number of mounting plates 3 is two and they are distributed on the left and right. The rear surface of the bottom plate 5 is provided with a first ball groove 15, and the front surface of the top plate 8 is provided with a second ball groove 16. The outer surface of the upper joint ball 9 is slidably connected to the second ball groove 16, and the outer surface of the lower joint ball 11 is slidably connected to the first ball groove 15. The front surface of the bottom plate 5 is provided with mounting holes 14. The number of mounting holes 14 is four and they are arranged in a rectangular array. The front surface of the partition 7 is fixedly connected to the rubber layer 6, the rear surface of the partition 7 is fixedly connected to the rubber layer 6, the rear surface of the bottom plate 5 is fixedly connected to the rubber layer 6, the rear surface of the rubber layer 6 is fixedly connected to the top plate 8, the partition 7 is arranged in the middle of the rubber layer 6, the inner surface of the bottom plate 5 is slidably connected to the lower joint ball 11, the inner surface of the top plate 8 is slidably connected to the upper joint ball 9, the outer surface of the upper joint ball 9 is fixedly connected to the shock absorber 10, and the end of the shock absorber 10 away from the upper joint ball 9 is fixedly connected to the lower joint ball 11, the front surface of the bottom plate 5 is provided with a first connecting piece 12, the rear surface of the top plate 8 is provided with a second connecting piece 13, and the outer surface of the second connecting piece 13 is slidably connected to the connecting hole 4.

[0025] Working principle: The rubber pile is vulcanized from a bottom plate 5, a top plate 8, a partition plate 7, and a rubber layer 6, and can withstand and transmit various forces generated when the vehicle is running, thereby ensuring the stability and comfort of the vehicle. The shock absorber 10 can increase the vibration reduction effect of the rubber pile and improve the stability and comfort of the vehicle. The upper joint ball 9 and the lower joint ball 11 on the top plate 8 and the bottom plate 5 can ensure that the shock absorber 10 can move flexibly in all directions, thereby ensuring that the shock absorber 10 can work normally when the vehicle is moving.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A traction center rubber pile for a bogie, characterized in that: include: A traction beam (1), wherein a mounting groove (2) is provided on the front surface of the traction beam (1), a mounting plate (3) is fixedly connected to the inner surface of the mounting groove (2), and a connecting hole (4) is provided on the front surface of the mounting plate (3); A rubber pile mechanism, comprising a bottom plate (5), a rubber layer (6), a partition plate (7), a top plate (8), an upper joint ball (9), a shock absorber (10) and a lower joint ball (11); the rear surface of the bottom plate (5) is fixedly connected to the rubber layer (6); the rear surface of the rubber layer (6) is fixedly connected to the top plate (8); the partition plate (7) is arranged in the middle of the rubber layer (6); the inner surface of the bottom plate (5) is slidably connected to the lower joint ball (11); the inner surface of the top plate (8) is slidably connected to the upper joint ball (9); the outer surface of the upper joint ball (9) is fixedly connected to the shock absorber (10); one end of the shock absorber (10) away from the upper joint ball (9) is fixedly connected to the lower joint ball (11); the front surface of the bottom plate (5) is provided with a first connecting member (12); the rear surface of the top plate (8) is provided with a second connecting member (13).

2. The traction center rubber pile for a bogie according to claim 1, characterized in that: The front surface of the partition plate (7) is fixedly connected to the rubber layer (6), and the rear surface of the partition plate (7) is fixedly connected to the rubber layer (6).

3. The traction center rubber pile for a bogie according to claim 1, characterized in that: The front surface of the bottom plate (5) is provided with mounting holes (14), and the number of the mounting holes (14) is four and they are arranged in a rectangular array.

4. The traction center rubber pile for a bogie according to claim 1, characterized in that: A first ball groove (15) is provided on the rear surface of the bottom plate (5), and the outer surface of the lower joint ball (11) is slidably connected to the first ball groove (15).

5. The traction center rubber pile for a bogie according to claim 1, characterized in that: The front surface of the top plate (8) is provided with a second ball groove (16), and the outer surface of the upper joint ball (9) is slidably connected to the second ball groove (16).

6. The traction center rubber pile for a bogie according to claim 1, characterized in that: The outer surface of the top plate (8) is slidably connected to the mounting groove (2), and the outer surface of the second connecting member (13) is slidably connected to the connecting hole (4).

7. The traction center rubber pile for a bogie according to claim 1, characterized in that: The rear surface of the top plate (8) is fixedly connected to the mounting plate (3), and the number of the mounting plates (3) is two and they are distributed on the left and right.

8. The traction center rubber pile for a bogie according to claim 1, characterized in that: The upper surface of the traction beam (1) is provided with a central pin hole (17), and the number of the shock absorbers (10) is two and they are distributed on the left and right.