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Heavy-load base plate for rail

A backing plate and rail technology, which is applied in the field of backing plates for rails, can solve the problems that the backing plate cannot suddenly rise when the stiffness reaches a certain value, and the backing plate is easy to climb out from under the rail, so as to achieve small friction and small contact area Effect

Inactive Publication Date: 2012-05-02
GEM YEAR IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] What the present invention aims to solve is the problem that the backing plate used for the existing rail cannot suddenly rise when its rigidity reaches a certain value and the backing plate is easy to climb out from under the rail as the train passes.

Method used

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  • Heavy-load base plate for rail
  • Heavy-load base plate for rail
  • Heavy-load base plate for rail

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] As shown in the figure, the present invention includes a board body 1, the board body 1 includes an upper elastic body 5 and a lower elastic body 4, the upper elastic body 5 is arranged on the upper side of the board body 1, and the lower elastic body 4 is arranged on the board body 1, the surface of the upper elastic body 5 is distributed with an upper concave cavity 6. The upper cavity 6 is a semicircular cavity.

[0015] A lower concave cavity 9 is distributed on the surface of the lower elastic body 4, and the lower concave cavity 9 is a semicircular concave cavity. On the back of the upper elastic body 5, there are upper embedded columns 10, and on the back of the lower elastic body 4, there are lower embedded columns 12; the upper concave cavity 6 of the upper elastic body 5 is provided with an upper embedded hole 11, and the lower concave...

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Abstract

The invention discloses a heavy-load base plate for a rail, which comprise a plate body. The plate body comprises an upper elastic member and a lower elastic member, the upper elastic member is arranged at the upper side of the plate body, the lower elastic member is arranged at the lower side of the plate body, and upper concave cavities are formed on the surface of the upper elastic member. As the two elastic members with different hardness are used in the plate body, the plate body has a first rigidity value and a second rigidity; moreover, the base plate disclosed by the invention is difficult to shift from the rail.

Description

technical field [0001] The invention relates to a backing plate for rails, in particular to a heavy-duty backing plate for rails. Background technique [0002] The backing plate under the ordinary railroad track will have a corresponding stiffness value when the load is added to a certain value. If the load continues to be loaded, the stiffness value of the backing plate will also rise slowly in a curve, and it will not appear for a while. Steep rise (qualitative change). However, a special technical requirement for the backing plate of the existing rail is that when the vertical load reaches a certain value, and then increases the load, the stiffness value of the backing plate needs to have a steep rise (sharp increase), that is, the stiffness value increases with the load. The increased curve slope (ascent rate) is at least twice, and the existing backing plate cannot meet this technical requirement. In addition, the existing pads are also easy to climb out of the rails ...

Claims

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Application Information

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IPC IPC(8): E01B9/68
Inventor 周子雄
Owner GEM YEAR IND
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