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Anti-collision structure at the front end of a rail vehicle underframe

A rail vehicle and underframe technology, which is applied in the field of rail vehicle underframe structure design, can solve problems such as poor vertical load capacity and threats to passenger safety, and achieve the effects of weight reduction, ingenious force transmission, and compact structural design

Active Publication Date: 2021-04-16
CRRC NANJING PUZHEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vertical load capacity of this structure is poor, and once the car climbs, the vertical force is transmitted to the underframe through the end beam, threatening the safety of passengers

Method used

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  • Anti-collision structure at the front end of a rail vehicle underframe
  • Anti-collision structure at the front end of a rail vehicle underframe
  • Anti-collision structure at the front end of a rail vehicle underframe

Examples

Experimental program
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Effect test

Embodiment Construction

[0017] Embodiments of the present invention will be explained below in conjunction with the accompanying drawings.

[0018] Such as Figure 1 to Figure 5 As shown, the anti-collision structure at the front end of the rail vehicle underframe in this embodiment includes an end beam 1, a side beam 3, a buffer beam 2 and a coupler installation beam 4, and two inclined beams 5 are welded between the end beam 1 and the coupler installation beam 4, An 80° angle with the opening forward is formed between the two slanting beams 5 (the range of the angle is 60°-90°), and the longitudinal impact force is transmitted through the two slanting beams. A front variable section beam 6 is welded between the middle part of the installation beam 4 and the middle part of the end beam 1 , and a rear variable section beam 7 is welded between the coupler installation beam 4 and the buffer beam 2 . The inclined beam 5 and the rear variable cross-section beam 7 are provided with lightening holes, and ...

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Abstract

The invention relates to an anti-collision structure at the front end of a rail vehicle underframe, including an end beam, a side beam, a buffer beam and a coupler installation beam. There is a mounting hole for the guide pipe of the anti-climbing device to pass through, and bolt holes are arranged around the mounting hole. The area around the mounting hole of the mounting beam is thickened, and the inside of the end beam has a guide cylinder and bolts arranged on the mounting beam and the back plate. The front end of the guide tube is docked with the installation hole, the front end of the bolt installation pipe is docked with the bolt hole, the inside of the end beam is also provided with an oblique rib, the outer end of the installation beam, the outer end of the upper cover plate and the lower cover plate Side beam welding. The present invention has compact structure design, ingenious force transmission mode, and lightweight design such as adding weight-reducing holes in the internal ribs, which reduces the weight of the installation structure (end beam) of the anti-climber, and can effectively carry 400KN longitudinal force and 200KN vertical force Never give up.

Description

technical field [0001] The invention relates to a front end structure of a rail vehicle underframe and belongs to the technical field of rail vehicle underframe structure design. Background technique [0002] With the development of rail vehicle technology, the requirements for vehicles are getting higher and higher. Not only the car body structure is required to be easy to assemble, the installation interface of the equipment is reasonable, but also it is required to be able to withstand large longitudinal forces. [0003] In the actual vehicle-to-vehicle collision conditions, the most important thing is the anti-climbing function of the vehicle. Once "climbing" occurs, the energy-absorbing area at the end of the vehicle cannot play a deformation buffer role, and the vehicle will be seriously damaged, threatening the safety of passengers. The design of the vertical strength of the anti-climbing device installation structure at the front end of the chassis is particularly i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B61F1/08B61F1/10B61F19/04
CPCB61F1/08B61F1/10B61F19/04
Inventor 高健飞徐涛董静胡基贵刘英博鲍伟兵
Owner CRRC NANJING PUZHEN CO LTD
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