Grinding machine for steel rail welding seam of high-speed railway

A technology for high-speed railways and rails, used in grinding machines, machine tools suitable for grinding workpiece planes, grinding/polishing equipment, etc., can solve the problems of uneven height, low efficiency, uneven welds, etc. The effect of efficiency

Inactive Publication Date: 2012-07-04
GUIYANG XIANFENG MACHINE TOOL WORKS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the grinding of the weld seam of the rail waist in China is done manually with a hand-held grinder.

Method used

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  • Grinding machine for steel rail welding seam of high-speed railway
  • Grinding machine for steel rail welding seam of high-speed railway
  • Grinding machine for steel rail welding seam of high-speed railway

Examples

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Embodiment Construction

[0019] As shown in Figures 1-4, the high-speed railway rail weld seam grinder of the present invention includes a bed 1, a longitudinally moving carriage 2, a transverse feed carriage 3, a clamping device 4, a trimming device 5, a grinding head, and a bed 1 installed in

[0020] On the basis of the profile rail 6, the longitudinal moving carriage 2 is installed on the V-flat guide rail of the bed 1, and the longitudinal moving carriage 2 is equipped with a cross-feed carriage 3 and three sets of grinding heads, which are respectively on both sides of the rail. The rail waist curve grinding head 7, the rail foot 1:9 slope grinding head 8 and the rail foot side grinding head 9; the dressing device 5 is installed on the column of the 1:9 slope grinding head 8, and has the same shape as the rail waist curve Forming and dressing grinding wheel with diamond roller, the outer circle of the forming grinding wheel is used to grind the weld seam of the rail, so that the curve shape of t...

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Abstract

The invention discloses a grinding machine for a steel rail welding seam of a high-speed railway, which comprises a machine body (1), a longitudinal moving carriage (2), a transverse feeding carriage (3), a clamping device (4), trimming devices (5) and grinding heads, wherein the machine body (1) is arranged on the foundation of a travelling rail (6); the longitudinal moving carriage (2) is arranged on a V-flat guide rail of the machine body (1); the longitudinal moving carriage (2) is provided with the transverse feeding carriage (3) and the three groups of grinding heads; the three groups of grinding heads are respectively rail waist curve grinding heads (7) arranged at the two sides of a steel rail, rail foot 1: 9 inclined plane grinding heads (8) and rail foot side grinding heads (9); and the trimming devices (5) are respectively arranged on stand columns of the 1: 9 inclined plane grinding heads (8). After being ground by the grinding machine, the steel rail welding seam of the high-speed railway is flat and smooth in surface and has a shape being coincided with that of a base body; and the corresponding grinding heads which are arranged at the two sides of the steel rail are used for grinding at the same time, so that the grinding efficiency is improved.

Description

technical field [0001] The invention relates to a grinder, in particular to a special grinder for high-speed railway rail weld seam numerical control automatic forming grinding. Background technique [0002] With the rapid development of the national economy, all provinces in the country have accelerated the construction of high-speed railways. The track of the high-speed railway is made up of seamless steel rails. The length of the steel rails produced by the steel factory is 100 meters, so it is necessary to weld multiple pieces of steel rails into a long steel rail of 500-600 meters. The rails are welded by high-frequency butt welding on the welding production line. After welding, a weld seam about 2mm in height and 20mm in width will be left. For the purpose of smooth train operation, reducing welding stress, positioning, and flaw detection, the weld seam must be ground. At present, the grinding of the weld seam of the rail waist in China is done manually with a hand-he...

Claims

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Application Information

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IPC IPC(8): B24B7/14
Inventor 朱绍军林开湖何川刘浩波秦东付恒勋黄惠生吕昌权牛道安杨雄赵必忠詹文华尹杰汤黎华
Owner GUIYANG XIANFENG MACHINE TOOL WORKS
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