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Track vertical reciprocating loading simulation experiment device

A technology that simulates experimental devices and loading devices, and is used in the testing of measuring devices, instruments, and mechanical components to reduce friction and experimental errors.

Pending Publication Date: 2018-08-28
CENT SOUTH UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, at present, there is no device in China that can conveniently and fully automatically measure the longitudinal resistance performance of rail fasteners under multiple working conditions.

Method used

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  • Track vertical reciprocating loading simulation experiment device
  • Track vertical reciprocating loading simulation experiment device
  • Track vertical reciprocating loading simulation experiment device

Examples

Experimental program
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Effect test

Embodiment Construction

[0046] A rail longitudinal reciprocating loading simulation experiment device is characterized in that it includes a force applying assembly for applying a longitudinal reciprocating force to a rail on the rail, a vertical load loading device for providing vertical load conditions, and a A displacement measuring assembly for measuring the longitudinal displacement of the rail and the backing plate of the fastener; the object of the experimental device is the rail 14 buckled on the sleeper 2 by using the fastener 13;

[0047] The force application assembly has two sets of identical devices arranged on both sides of the rail 4, including a hydraulic jack 8 installed on the sleeper 2; 16 Connect the tension sensor 17 with the clamp 15, the clamp 15 is installed at both ends of the rail 14; the tension sensor 17 is connected with the electro-hydraulic servo control system 19 through a wire 23, and the hydraulic jack 8 is connected with the environment control box 20 through the oil p...

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Abstract

The present invention relates to the technical field of engineering measurement, especially to a track vertical reciprocating loading simulation experiment device. The device comprises a force applying module configured to apply a vertical force to a steel rail of a track in a condition without load and a displacement measurement module configured to measure vertical displacement of the steel railand a fastener base plate. Compared to the prior art, the track vertical reciprocating loading simulation experiment device is simple in structure and can comprehensively measure the vertical resistance performance of the steel rail fastener in multiple conditions so as to fill up the blank that there is no a device used for multifunctional measurement of the vertical resistance performances of the steel rail fastener in domestic at present, when the device is used, after it is determined whether the vertical load is applied or not, the force applying module is employed to apply the verticalforce to the steel rail of the track and measure the size of the applied force, the displacement measurement module is employed to measure the vertical displacement of the steel rail and the fastenerbase plate, the resistance and the displacement value are collected through data collection software to directly form a graph of relation therebetween, and a relation of the vertical resistance and the displacement in multiple work conditions can be obtained through later data processing.

Description

technical field [0001] The invention relates to the technical field of engineering measurement, in particular to a simulation experiment device for rail longitudinal reciprocating loading. Background technique [0002] The rail fastener is a connecting part that prevents the longitudinal displacement of the rail relative to the sleeper (track slab), and the fastener resistance is an important indicator for evaluating the performance of the rail fastener. As the speed of passenger railways continues to increase and the volume of freight railways continues to increase, the technical performance requirements for the resistance of rail fasteners are also continuously increasing. Accurately measuring the resistance of rail fasteners and its variation rules under multiple working conditions is the key to determining the performance of rail fasteners. It is an urgent need to maintain track geometry, optimize design methods, carry out normal maintenance, and ensure driving safety. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 曾志平黄志斌黄相东吴志鹏饶惠明谢宏曾浩元林志华申石文梁程斌王卫东王俊东周合珍
Owner CENT SOUTH UNIV
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