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Forming milling cutter for online rail repair

A technology for forming milling cutters and rails, which is applied in the direction of milling cutters, milling machine equipment, metal processing equipment, etc., can solve the problems of line environmental pollution, small single-pass workload, etc., and achieve reduced workload, stable repair quality, and consistent molded lines sex high effect

Active Publication Date: 2019-04-12
四川天虎工具有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The multi-wheel enveloping grinding method adopted by the rail grinding vehicle eliminates the surface defects of the rail and repairs the profile of the rail. Due to the small amount of single-pass operation (the maximum is only 0.2mm), each operation needs about 7-8 round-trips according to the line conditions. operation, and the dust generated during the grinding process will cause great pollution to the line environment

Method used

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  • Forming milling cutter for online rail repair
  • Forming milling cutter for online rail repair
  • Forming milling cutter for online rail repair

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] Such as figure 1 , figure 2 , Figure 5 , Figure 6 , Figure 8 As shown, it consists of a cutter body 1, a blade, a blade pressing screw 4 and a side cutter seat 5, wherein the blade includes a circular arc blade 2 and a straight blade 3, and multiple rows of blades overlap each other in space to form a The blade overlaps the profile line 31 to form a complete cutting edge on the working surface of the rail. The cutter body 1 is fixed on the central axis and rotates with the central axis. The circumference of the cutter body 1 is provided with several radial positioning surfaces 23 and axial positioning surfaces 21 , each radial positioning surface 23 of the cutter body 1 has a threaded hole, and the circumference of the cutter body 1 is also provided with a cutt...

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Abstract

The invention discloses a steel rail online repairing and forming milling cutter comprising a cutter body (1), a blade, blade compressing screws (4) and a cutter holder. The blade comprises an arc blade body (2) and a straight-edge blade body (3). A plurality of radial locating faces (23) and axial locating faces (21) are arranged on the periphery of the cutter body. The cutter body is further provided with a cutter body key groove (18) with a locating function. The cutter holder comprises a side cutter holder (5) and an upper cutter holder (6). The side cutter holder (5) and the upper cutterholder (6) are fastened to the cutter body (1) through screw sets under limiting of the radial locating faces (23), the axial locating faces (21) and the cutter body key groove (18). The arc blade body (2) and the straight-edge blade body (3) are fastened in corresponding blade grooves (7) through the blade compressing screws (4). The steel rail online repairing and forming milling cutter has theadvantages that the rail top working face of a steel rail needing to be repaired is machined once, and quality and efficiency of repair of the steel rail are improved effectively.

Description

technical field [0001] The invention relates to the field of rail surface repair, in particular to a rail online repair forming milling cutter. Background technique [0002] Rail is one of the key factors to ensure the safety of urban rail transit operation. With the long-term continuous, frequent and complex interaction force between the wheel and rail, the surface of the rail will produce such as peeling, fish scale cracks, abrasions, fat edges, and wave wear Defects such as these will adversely affect the safety, stability and comfort of the train during operation. Therefore, it is an urgent need for the industry to perform regular maintenance on rails and improve the efficiency and quality of maintenance operations. In addition to regular maintenance operations, after the operation of each subway line, manual inspections will be carried out at night. Once defects on the surface of the rails are found to be dealt with, additional repair work will be arranged. [0003] A...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C5/02B23C5/20B23C5/12
CPCB23C5/02B23C5/12B23C5/20
Inventor 梁元杰赵彩云赵骏刘启秀李艳范霞龚健
Owner 四川天虎工具有限责任公司
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