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Heavy rail clamping device

A technology of clamping device and heavy rail, which is applied in the field of limit centering device for heavy rail, which can solve the problems of difficult detection equipment and wrong detection results, and achieve strong rail delivery ability, high control precision and stable operation of heavy rail Effect

Active Publication Date: 2017-02-01
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the uncertainty of the position of the heavy rail, it is difficult for the detection equipment to perform well, and even cause wrong detection results

Method used

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Examples

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Embodiment 1

[0032] A heavy rail clamping device. The heavy rail clamping device such as figure 1 and figure 2 As shown: It consists of four parts: the upper and lower limit mechanism of the heavy rail, the left and right limit mechanism of the heavy rail, the pneumatic system and the frame.

[0033] Such as figure 1 , figure 2 and image 3 As shown, the heavy rail upper and lower limit mechanism includes a rocker mechanism, a pressing roller protection device, a drive system, and a horizontal elevation adjustment device. The rocker mechanism includes a depressing cylinder piston rod 1101, a connecting rod 1102, and an output end frame 1104; the depressing roller protection device includes a fixed bracket 1105 and a rotating shaft 1115; the drive system includes a first drive Motor 1106, second driving motor 1112, shaft coupling 1111, first sprocket 1107, second sprocket 1109, chain 1108, pressing roller 1103, support roller 1110; Described horizontal elevation adjustment device com...

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PUM

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Abstract

The invention provides a heavy rail clamping device, which comprises a heavy rail up-down limiting mechanism, a heavy rail left-right limiting mechanism and a pneumatic system fixed on a rack and the rack, wherein the heavy rail up-down limiting mechanism comprises a rocker mechanism, a down pressing roller protection device, a driving system and a horizontal elevation adjustment device; the heavy rail left-right limiting mechanism comprises a left limiting roller and a right limiting roller; and the pneumatic system comprises a down pressing cylinder, a left pushing cylinder, a right pushing cylinder, electromagnetic valves and other necessary pneumatic components. The clamping device carries out forced limiting and centering on movement of the heavy rail on a roller table, swinging of the heavy rail in a horizontal plane and jumping in a vertical plane are limited in a detection requirement permission range, the heavy rail flatness detection precision is ensured, and the precision of other related detection equipment is improved.

Description

technical field [0001] The invention relates to the field of heavy rail detection, in particular to a position-limiting and centering device for heavy rails in the heavy rail detection process. Background technique [0002] Flatness is one of the core indicators to measure the quality of high-speed railway heavy rail. When the heavy rail runs stably on the center line of the equipment, the detection efficiency is high and the detection results are reliable. Therefore, when designing the heavy rail inspection center, a guiding device for forcefully limiting the heavy rail is designed, and a control standard for the operating range of the heavy rail is established. [0003] Such as: NDT company standard [0004] The detection length of the heavy rail is up to 100m and the shortest is 9m; the curvature of the heavy rail up and down is ≤1mm / m. Left and right bending ≤ 2mm / m; total length of heavy rail: up and down bending ≤ 0.5%, left and right bending ≤ 1%, torsional bending ...

Claims

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Application Information

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IPC IPC(8): G01B21/30G01D11/16
CPCG01B21/30G01D11/16
Inventor 王兴东杨柏刘源泂候宇曾镛刘钊徐福军
Owner WUHAN UNIV OF SCI & TECH
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