High-speed railway lateral turnout wing rail processing technique

A high-speed railway and processing technology, which is applied in the field of high-speed railway single-opening turnout wing rail processing technology, can solve problems such as inability to meet production needs, and achieve the effects of reducing the number of hoisting and transportation, saving processing costs, and improving production efficiency.

Active Publication Date: 2008-07-09
CHINA RAILWAY BAOJI BRIDGE GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wing rail used for the 60kg / m rail No. 18 single turnout of the 350km / h passenger dedicated line requires the entire root to be processed, so the existing processing methods can no longer meet the production needs.

Method used

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  • High-speed railway lateral turnout wing rail processing technique
  • High-speed railway lateral turnout wing rail processing technique
  • High-speed railway lateral turnout wing rail processing technique

Examples

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Embodiment Construction

[0032] A kind of embodiment of the present invention is described in conjunction with accompanying drawing 1,2,3,4,5,6,7,8. The processing technology of the wing rail used in the 60kg / m rail No. 18 single turnout of the 350km / h passenger dedicated line:

[0033] 1. Drilling for blanking: take a special cross-section rolling wing rail with a total length of 19660mm, straighten it, and drill holes on the rail waist according to the design requirements.

[0034] 2. Milling tip section and back section working side rail: process wing rail tip section (2) and rear section (3) inner working side rail (4) and rail arc (5) on the milling machine.

[0035] 3. Milling the working edge of the rear section rail head: process the inner rail head working edge (6) of the wing rail rear section (3) on the milling machine to meet the design requirements.

[0036] 4. Milling the rail waist on both sides of the front end: the thickness of the rail waist of the special section wing rail is 30mm,...

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Abstract

A processing technique of the wingrail of the lateral turnout of a high-speed railway includes ten steps: (1) cutting and boring; (2) the milling of a point-hiding section and the inner working edge rail limb of the rear section; (3) the milling of the inner railhead working edge of the rear section; (4) the milling from the front-end rail waist to the rail waist of a standard steel rail; (5) the skewing of the front end; (6) the milling of the front section of inner railhead working edge after the push bending of the front section; (7) the push bending of the rear section; (8) the milling of the point-hiding section; (9) shape-righting adjustment; (10) burnishing and derusting. The present invention is the processing technique method of a whole wingrail, the advantages of a numerically controlled miller are sufficiently exerted, the processing utilizes a moulded cutter, so the processing precision is high, the processing cost is low, as a result, the requirements of batch processing are satisfied, and the productivity effect is increased. The present invention is particularly suitable for the processing of wingrails used by the No. 18 lateral turnout of the 60 kg/m steel rail of the 350 km/h passenger-dedicated line.

Description

technical field [0001] The invention relates to a high-speed railway single turnout wing rail processing technology. Background technique [0002] The 60kg / m rail of the domestically-made 250km / h passenger dedicated line is welded by the front section of 60AT and the rear section of 60kg / m rail. Its processing technology is to process the front section 60AT first, after the front section is processed, it is welded with the rear section 60kg / m rail, and then the whole rail is fully processed. The advantage of this processing technology is that the rail parts are short, which is convenient for lifting and loading the workpiece, and all the processing of the rail parts can be completed in the workshop. However, the wing rail used in the 60kg / m rail No. 18 single turnout of the 350km / h passenger dedicated line requires the whole root to be processed, so the existing processing method can no longer meet the production demand. Contents of the invention [0003] The invention p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/20
Inventor 王全生冯金风燕飞报
Owner CHINA RAILWAY BAOJI BRIDGE GRP
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