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CN-224211064-U - Bottom plate bracket of railway car

CN224211064UCN 224211064 UCN224211064 UCN 224211064UCN-224211064-U

Abstract

Compared with the prior art, the chassis assembly and the bracket assembly are made of aluminum alloy materials, so that the self weight of a vehicle can be effectively reduced, the carrying efficiency and the energy conservation are improved, the wheel rail abrasion is reduced, the rigidity and the bending and torsion resistance of the bracket are obviously improved through the cross-shaped reinforcing rib structure, the deformation resistance is not easy when the dynamic load is born, the overall stability and the safety are enhanced, the impact force generated in the cargo loading and unloading process can be effectively absorbed and dispersed through the buffer assembly, the vibration damage to the vehicle body structure and the cargos is reduced, the transportation safety is improved, the hard collision between the cargos and the bracket and the external bearing surface is reduced, and the displacement or damage of the cargos due to sudden stress is avoided.

Inventors

  • SUN WEI
  • Sun Gangxin
  • WEI WENLEI
  • SONG SHUANG
  • ZHAO YANPENG

Assignees

  • 青岛凯思达科技有限公司

Dates

Publication Date
20260508
Application Date
20250729

Claims (8)

  1. 1. The rail car bottom plate bracket comprises a chassis assembly (1), and is characterized in that a buffer assembly (2) is arranged on the chassis assembly (1), and a bracket assembly (3) is arranged on the upper side of the chassis assembly (1) through the buffer assembly (2); The chassis assembly (1) comprises two vertical underframes (11), and transverse underframes (12) are fixedly connected to the left end and the right end of the inner side of each vertical underframe (11); The bracket assembly (3) comprises two vertical brackets (31) and two transverse brackets (33), wherein the two transverse brackets (33) are fixedly connected to the inner sides of the two vertical brackets (31), and fixing blocks (32) are fixedly connected to the lower sides of the left end and the right end of the vertical brackets (31).
  2. 2. A railway car floor bracket as claimed in claim 1, wherein cross-shaped reinforcing ribs (13) for improving bending and torsion resistance of the vertical underframe (11) and the transverse underframe (12) and the vertical bracket (31) and the transverse bracket (33) are fixedly connected inside the railway car floor bracket.
  3. 3. A rail car floor bracket as claimed in claim 2, wherein the vertical chassis (11) and the transverse chassis (12) and the vertical bracket (31) and the transverse bracket (33) are made of an aluminum alloy material with a lightweight structure.
  4. 4. A railway car floor bracket as claimed in claim 1, wherein the buffer assembly (2) comprises two buffer blocks (21), the buffer blocks (21) are made of spring steel with high elasticity and yield strength, the two buffer blocks (21) are fixedly connected to the upper side of the vertical underframe (11) through mounting blocks (22), and the mounting blocks (22) are fixedly connected with the vertical underframe (11) through screws.
  5. 5. A railway car bottom plate bracket according to claim 4, wherein the installation block (22) and the buffer block (21) are movably penetrated by a limit screw (24), and the lower end of the limit screw (24) is screwed into the vertical underframe (11) through threads.
  6. 6. A railway car floor bracket as claimed in claim 4, wherein the buffer assembly (2) further comprises a connecting block (25), and two ends of the connecting block (25) are respectively hinged with one ends of two buffer blocks (21).
  7. 7. A railway car floor bracket as claimed in claim 4, wherein the damping assembly (2) further comprises a damping shock absorber (26), the lower end of the damping shock absorber (26) being hinged to the inner side of the vertical chassis (11), and the upper end of the damping shock absorber (26) being hinged to the inner side of the vertical bracket (31).
  8. 8. A rail car floor bracket according to claim 4, wherein the number of the buffer assemblies (2) is two and is symmetrically distributed in front and rear.

Description

Bottom plate bracket of railway car Technical Field The utility model belongs to the field of rail cars, and particularly relates to a rail car bottom plate bracket. Background The railway car floor bracket is a key structural component for supporting and fixing a car plate at the bottom of a railway car, has the main functions of bearing the weight of the car body, transmitting load and ensuring stable connection of the car body, is usually made of metal materials, is fixed at the bottom of the car body through bolts or welding, has enough strength, rigidity and durability, is a non-lightweight railway car floor bracket mainly adopts a traditional heavy metal structure and is not subjected to material or design optimization, the defects are mainly reflected in the overlarge dead weight, the overlarge dead weight can obviously increase the mass of the whole vehicle, the traction energy consumption is increased, the power effect between wheel tracks can be directly aggravated by the increase of the weight, the contact stress between the wheel pair and the steel rail is increased, the power requirement of a traction motor is raised, the abrasion of the wheel tracks can be accelerated, and therefore, the design of the bottom plate bracket of the railway vehicle is hoped, and the problem is solved. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide a bottom plate bracket of a railway car, which solves the problems in the background art. The utility model is realized by the following technical scheme that the bottom plate bracket of the railway vehicle comprises a chassis assembly, wherein a buffer assembly is arranged on the chassis assembly, and a bracket assembly is arranged on the upper side of the chassis assembly through the buffer assembly; The chassis assembly comprises two vertical underframes, and the left end and the right end of the inner side of each vertical underframe are fixedly connected with transverse underframes; The bracket assembly comprises two vertical brackets and two transverse brackets, wherein the two transverse brackets are fixedly connected to the inner sides of the two vertical brackets, the fixed blocks are fixedly connected to the lower sides of the left end and the right end of the vertical brackets, the self weight of a vehicle can be effectively reduced by arranging the chassis assembly and the bracket assembly which are made of aluminum alloy materials, the carrying efficiency and the energy conservation are improved, and secondly, the cross reinforcing rib structure remarkably improves the rigidity and the bending and torsion resistance of the brackets, is not easy to deform when bearing dynamic load, and enhances the overall stability and the safety. As a preferred embodiment, the vertical underframe and the horizontal underframe and the vertical bracket and the inside of the horizontal bracket are fixedly connected with cross-shaped reinforcing ribs for improving the bending resistance and torsion resistance of the vertical underframe and the horizontal underframe. As a preferred embodiment, the vertical chassis and the horizontal chassis, and the vertical bracket and the horizontal bracket are made of an aluminum alloy material with a lightweight structure. As a preferred embodiment, the buffer assembly comprises two buffer blocks, the buffer blocks are made of spring steel with high elasticity and yield strength, the two buffer blocks are fixedly connected to the upper side of the vertical underframe through mounting blocks, the mounting blocks are fixedly connected with the vertical underframe through screws, and the buffer assembly is arranged, so that impact force generated in the cargo loading and unloading process can be effectively absorbed and dispersed during loading, vibration damage to a vehicle body structure and cargoes is reduced, transportation safety is improved, rigid collision between the cargoes, a bracket and an external bearing surface is reduced, and displacement or damage of the cargoes due to jolt or sudden stress is avoided. As a preferable implementation mode, the installation block and the buffer block are movably penetrated with limit screws, and the lower ends of the limit screws are screwed into the vertical underframe through threads. As a preferred embodiment, the buffer assembly further comprises a connection block, and two ends of the connection block are respectively hinged with one ends of the two buffer blocks. As a preferred embodiment, the buffering assembly further comprises a damping shock absorber, a lower end of the damping shock absorber is hinged to an inner side of the vertical chassis, and an upper end of the damping shock absorber is hinged to an inner side of the vertical bracket. As a preferred embodiment, the number of the buffer components is two, and the buffer components are symmetrically distributed in front and back. After the technical scheme is adopted, the utility