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A railway track grinding amount and profile detection device

A technology for railway tracks and detection devices, which is applied to measurement devices, grinding machines, and parts of grinding machine tools, etc., can solve the problems of single measurement data, inability to unify measurement benchmarks, and inability to eliminate the influence of rail bottom slopes, so as to improve detection efficiency, The limit is reliable and the effect of reducing the influence of human factors

Active Publication Date: 2020-11-24
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a railway track grinding amount and profile detection device to solve the problems that the existing contact rail surface profile detectors cannot unify the front and rear measurement references, the measurement data is single, and the influence of the rail bottom slope cannot be eliminated

Method used

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  • A railway track grinding amount and profile detection device
  • A railway track grinding amount and profile detection device
  • A railway track grinding amount and profile detection device

Examples

Experimental program
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Effect test

Embodiment 1

[0046] refer to figure 1 A railway track grinding amount and profile detection device includes: a mounting frame, a positioning clamping assembly and an adjustable detection assembly arranged on the mounting frame.

[0047] The mounting frame includes: an upper fixed plate 1, a lower reference seat 2, and a support column 3 arranged between the upper fixed plate 1 and the lower reference seat 2. The support column 3 is detachably connected to the lower reference seat 2. In this embodiment, The upper fixed plate 1 and the lower reference seat 2 are plate-like structures of isosceles trapezoid, and there are three support columns 3, which are arranged at the left and right ends and the upper end of the lower bottom of the isosceles trapezoid respectively. The upper end of the support column 3 is fixed on the upper fixed plate 1, and the lower end of the support column 3 is detachably clamped on the lower reference seat 2. The length of the support column 3 should be greater than...

Embodiment 2

[0054] refer to Figure 5 The difference between this embodiment and Embodiment 1 is that the shapes of the driving screw 61 and the light guide rod 62 in the automatic feeding guide rail device 6 are set in an arc shape protruding away from the lower reference plane 1, and the contact The detection probe of the type rail surface profile detector is always along the radial direction of the arc, so when the mounting base 63 moves on the light guide rod 62, the detection probe of the contact type rail surface profile detector can be aligned with the rail surface to be tested. It has a certain angle, so it can measure the data of different angles of the rail surface.

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Abstract

The invention discloses a railway track grinding amount and profile detection device, comprising: a mounting frame, a positioning clamping assembly and an adjustable detection assembly arranged on the mounting frame; the mounting frame includes: an upper fixing plate, a lower reference seat and a setting The support column between the upper fixed plate and the lower reference seat is detachably connected to the lower reference seat; the clamping assembly is arranged on the lower reference seat, and the clamping assembly includes: a vertical The fixed assembly and the horizontal fixed assembly are movable along the direction parallel to the lower reference seat; the adjustable detection assembly is arranged on the upper fixed plate, and the adjustable detection assembly includes an automatic feeding guide rail device and a contact rail profile detector. The detection probe of the contact-type rail surface profile detector is set between the upper fixing plate and the lower reference seat. This device solves the problem that the existing contact-type rail surface profile detector cannot unify the front and rear measurement references, the measurement data is single, and the rail cannot be eliminated. The problem of bottom slope effects.

Description

technical field [0001] The invention relates to the technical field of track profile detection, in particular to a railway track grinding amount and profile detection device. Background technique [0002] In recent years, with the rapid development of my country's high-speed railways, the number of high-speed and heavy-duty trains has continued to increase, the requirements for railway lines have become higher and higher, and the wear of rails has become more and more serious. The wear of the rail will cause the profile size of the rail itself to change, causing an improper wheel-rail contact relationship, resulting in accelerated wear of the wheel, increasing the running resistance of the vehicle, reducing the service life of the rail and the vehicle, and even endangering the safety of the vehicle. Therefore, it is very necessary to detect the rail profile. [0003] At the same time, with the development of rail wear and fatigue, the method of affecting the contact behavio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B49/04B24B19/00G01B21/08G01B21/20
CPCB24B19/004B24B49/045G01B21/08G01B21/20
Inventor 杜星温泽峰邓永权张兆珩梅桂明金学松
Owner SOUTHWEST JIAOTONG UNIV
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