Durable side bearing assembly of railway wagon

Abstract

The utility model discloses a durable side bearing assembly of a railway wagon, and relates to the technical field of train side bearings. Comprising a first base plate, a side bearing seat is connected to the upper end of the first base plate, an open groove is formed in the side bearing seat, a first limiting column is connected to the middle of the inner bottom face of the open groove, a second base plate is movably inserted in the first limiting column, and a side bearing body can be placed in the open groove and located at the upper end of the second base plate. A pair of second limiting columns is arranged on the upper wall face of the side bearing body, a side bearing wear-resisting plate is movably installed on the pair of second limiting columns in an inserted mode, and a groove is formed in one side of the upper wall face of the side bearing seat. The structure capable of improving abrasion resistance and impact resistance is designed, the device is improved in material, the friction coefficient is effectively reduced, abrasion is reduced, the service life is prolonged, the elastic element effectively buffers impact loads, the impact resistance of the assembly is improved, and the stability and safety of vehicle operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to train side bearing technical field, concretely is a durable side bearing assembly of railway freight car. BACKGROUND

[0002] The side bearing assembly of railway freight car is the key component of connecting the car body and the bogie, mainly bears the lateral roll and the head torque of the car body, and is important to the running stability and safety of the vehicle. The side bearing assembly bears the vertical load (such as the weight of goods) transmitted by the car body and evenly distributes it to the bogie and the wheel set, avoids local overload. Under the action of the curve track or the crosswind of the vehicle, the side bearing assembly transmits the lateral force and the centrifugal force between the car body and the bogie, ensures the stability of the vehicle.

[0003] The inventor finds that the prior art has the following problems in the process of realizing the utility model: serious wear of friction pair: the traditional side bearing adopts metal-metal or metal-nonmetal friction pair, which is easy to wear under long-term alternating load, leading to increased clearance and affecting the running quality of the vehicle. Poor impact resistance: the traditional side bearing structure is simple, and the impact resistance is limited, which is easy to be damaged under harsh working conditions. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the utility model provides a durable side bearing assembly of railway freight car, which solves the problems of the prior art, such as serious wear of friction pair: the traditional side bearing adopts metal-metal or metal-nonmetal friction pair, which is easy to wear under long-term alternating load, leading to increased clearance and affecting the running quality of the vehicle. Poor impact resistance: the traditional side bearing structure is simple, and the impact resistance is limited, which is easy to be damaged under harsh working conditions.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a durable side bearing assembly of railway freight car, including first backing plate, the upper end of first backing plate is connected with side bearing seat, the inside of side bearing seat is equipped with slot, the middle part of the bottom surface in slot is connected with first limit post, the first limit post is movably inserted with second backing plate, the upper end of second backing plate in slot can be placed with side bearing body, the upper wall surface of side bearing body is equipped with a pair of second limit post, a pair of second limit post is movably inserted with side bearing wear plate, the upper wall surface of side bearing seat is equipped with recess on one side, the both sides of recess are rotatably connected with rotating shaft, the rotating shaft is equipped with roller.

[0006] Preferably, the first backing plate and the second backing plate are made of high-strength rubber material.

[0007] Preferably, the side bearing seat is made of high-strength forged steel 42CrMo.

[0008] Preferably, the side bearing wear plate is made of high-strength fiber reinforced polymer matrix composite material.

[0009] Preferably, the first pad plate and the side bearing are connected to the bogie by high-strength bolts.

[0010] Advantages

[0011] The utility model provides a durable side bearing assembly of railway freight car, the utility model discloses a structure that can improve wear resistance and impact resistance, the device adopts high -strength bolt and makes it fixed on the bogie of railway freight car, and the first pad plate and second pad plate have elasticity, can improve the impact resistance of this device, adopts high -strength fiber reinforced polymer matrix composite material, has self -lubricating, wear -resisting, corrosion -resistant etc. Advantage. The device is improved on material, effectively reduces the friction coefficient, reduces abrasion, prolongs the life, and elastic element effectively buffers impact load, improves the impact resistance of component, is favorable to improve the vehicle operation stability and security. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0013] Fig. 2 It is the overhead structure schematic diagram of the utility model.

[0014] In the drawing: 1, first pad plate, 2, side bearing, 3, second pad plate, 4, first limiting post, 5, side bearing body, 6, side bearing wear plate, 7, second limiting post, 8, pivot, 9, roller, 10, recess. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0016] Please refer to Figs. 1-2The utility model provides a technical scheme: a durable side bearing assembly of railway freight car, including first backing plate 1, the upper end of first backing plate 1 is connected with side bearing seat 2, be equipped with slot in side bearing seat 2, the middle part of inner bottom surface of slot is connected with first limit post 4, the second backing plate 3 of first limit post 4 can be movably inserted, the upper end of second backing plate 3 in slot can be placed with side bearing body 5, the upper wall surface of side bearing body 5 is equipped with a pair of second limit post 7, a pair of second limit post 7 can be movably inserted with side bearing wear plate 6, the upper wall surface one side of side bearing seat 2 is equipped with recess 10, the both sides inner wall surface of recess 10 is rotatably connected with pivot 8, be equipped with roller 9 on pivot 8.

[0017] This embodiment is further provided with, first backing plate 1 and second backing plate 3 adopt high-strength rubber material.

[0018] This embodiment is further provided with, side bearing seat 2 adopts high-strength forged steel 42CrMo forging.

[0019] This embodiment is further provided with, side bearing wear plate 6 adopts high-strength fiber reinforced polymer matrix composite material.

[0020] This embodiment is further provided with, first backing plate 1 and side bearing seat 2 are connected on bogie with high-strength bolt.

[0021] Its detailed connecting means is the technology known in the art, and the following mainly introduces working principle and process, and the specific work is as follows.

[0022] Embodiment: the device adopts high-strength bolt and is fixed on the bogie of railway freight car, and the first backing plate 1 and second backing plate 3 have elasticity, can improve the impact resistance of the device, traditional metal friction pair is easy to wear, leads to clearance increase, influences guiding precision, and the side bearing wear plate 6 on the upper portion of the device adopts high-strength fiber reinforced polymer matrix composite material, has the advantages of self-lubricating, wear resistance, corrosion resistance etc., the device is improved in material, so that when the vehicle passes the curve, the side bearing assembly passes elastic deformation or friction damping, and the vehicle body is kept in horizontal state, avoids cargo partial load, wherein the components in the device can be flexibly installed, disassembled and maintained.

[0023] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.

Claims

1. A railway wagon long-life side bearing assembly comprising a first bolster plate (1), characterised in that, The upper end of the first pad plate (1) is connected with a side bearing seat (2), the side bearing seat (2) is provided with a slot, the middle of the bottom surface of the slot is connected with a first limiting column (4), the first limiting column (4) is movably inserted with a second pad plate (3), the slot and the upper end of the second pad plate (3) can be placed with a side bearing body (5), the upper wall surface of the side bearing body (5) is provided with a pair of second limiting columns (7), a pair of the second limiting columns (7) are movably inserted with a side bearing wear-resistant plate (6), the upper wall surface of the side bearing seat (2) is provided with a groove (10) on one side, the two inner wall surfaces of the groove (10) are rotatably connected with a rotating shaft (8), and the rotating shaft (8) is provided with a roller (9).

2. A long wearing journal assembly for a railway freight car as defined in claim 1 wherein, The first pad plate (1) and the second pad plate (3) adopt high-strength rubber materials.

3. A long wearing journal assembly for a railway car as defined in claim 1 wherein, The side bearing seat (2) adopts high-strength forged steel 42CrMo.

4. A long wearing journal assembly for a railway car as defined in claim 1 wherein, The side bearing wear-resistant plate (6) adopts high-strength fiber reinforced polymer matrix composite materials.

5. A long wearing journal assembly for a railway car as defined in claim 1 wherein, The first pad plate (1) and the side bearing seat (2) are connected with high-strength bolts on the bogie.

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