Machining alignment and location method of cable tower segment

A machining and steel cable tower technology, applied in positioning devices, metal processing equipment, metal processing mechanical parts, etc., can solve the problems of low accuracy, scribing error, low efficiency, etc., and achieve alignment, positioning, and positioning accuracy. High, easy-to-use effect

Inactive Publication Date: 2006-11-29
CHINA RAILWAY BAOJI BRIDGE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method is not only low in efficiency, but also low in accuracy due to the marking error of the alignment datum (marked segment axis and end surface processing line) itself, and the measurement process is relatively complicated, which cannot meet the needs of machining alignment and positioning

Method used

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  • Machining alignment and location method of cable tower segment
  • Machining alignment and location method of cable tower segment
  • Machining alignment and location method of cable tower segment

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0013] Embodiment 1: with reference to attached figure 1 and 2 . Straightening and positioning methods of steel cable tower section end face machining, (1) end face rough machining and straightening: use CNC hydraulic positioning system to control force support for the segment, that is to say, to support the steel cable tower segment support point force There are certain requirements and controls. At the same time, based on the machining line of the end face of the segment, adjust the spatial posture of the segment to make it positioned at the correct machining position; (2) The first end face finishing alignment: 1. Set the uniform temperature Finally, the section to be processed is transported to the machine tool processing position, and the steel cable tower section is controlled and supported; 2. Use a three-dimensional tracking measuring instrument to measure the three laser station marks on the machine tool and the section wall plate, and use the measurement data The p...

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Abstract

A centering and locating method for machining the end face of the segment of steel cable tower includes such steps as using numeral controlled hydraulic locating system to support said segment and locate it to a machining position, centering the first end face by using 3D tracking measurer to measure machine and 3 laser markers for determining the position relation between machine and workpiece and regulating and locking the position of workpiece, centering the second end face by transporting the segment to machining position, creating the coordinate system of machine, measuring and processing the machined first end face, and checking its position in said coordinate system.

Description

Technical field: [0001] The invention relates to a method for aligning and positioning the end faces of steel cable tower segments by machining, and belongs to the field of steel cable tower segment manufacturing. Background technique: [0002] In the field of bridge steel tower segment manufacturing abroad, the traditional method of segment processing and alignment is to adjust the theodolite based on the machine tool, monitor the segment axis with the theodolite and the level at the same time, and adjust the segment space attitude until the segment axis is in line with the machine tool. The positional relationship of the machine tool meets the requirements. In order to be reliable, it is necessary to check the end surface processing line with the machine tool after the adjustment is in place. The traditional method is not only low in efficiency but also low in accuracy due to marking errors in the alignment datum (marked segment axis and end surface processing line) itself...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q17/22B23Q3/18
Inventor 李毅吉敏廷张忠虎姚小元钱叶祥
Owner CHINA RAILWAY BAOJI BRIDGE GRP
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