Shield machine cutter head and cutting tool wear measurement rotation ruler, measurement system and measurement method

Abstract

The invention provides a shield machine cutter head and cutting tool wear measurement rotation ruler and a measurement system based on a level. The rotation ruler is composed of a measurement cross ruler for reading and a telescopic vertical rod for adjusting a height, the relative height difference between different positions on the shield machine cutter head can be realized, the wear amount of the cutting tool and the wear amount of the cutter head can be measured, the structure is simple, the measurement is accurate, the operation is easy, the measurement efficiency is high, tool exchange for the shield can be guided, the overall tool height of the cutter head after tool exchange can be rechecked, and the tunneling efficiency of the shield machine can be accurately evaluated and mastered by engineers and technicians.

Description

technical field [0001] The invention relates to a shield machine cutter head and a tool wear measuring device thereon, in particular to a shield machine cutter head, a tool wear measuring rotary ruler, a measuring system and a measuring method. Background technique [0002] With the construction of the subway shield tunnel in full swing, the length of the subway tunnel section is getting larger and larger, and the frequency of tool change during the midway maintenance of the shield machine is also greatly increased. Especially in the sand and pebble strata in Beijing, the wear of the cutter and spokes on the cutter head is particularly serious. After the shield is advanced for a certain distance, the spokes and knives at different positions on the cutterhead will be worn out, and the cutterhead will also be deformed, resulting in a change in the relative height difference between the two positions on the cutterhead. The change in the relative height of the cutterhead on the c...

AI Technical Summary

Problems solved by technology

After the shield is advanced for a certain distance, the spokes and knives at different positions on the cutterhead will be worn out, and the cutterhead will also be deformed, resulting in a change in the relative height difference between the two positions on the cutterhead. The change in the relative height of the cutterhead on the cutterhead will affect the In order to better determine the height difference of different positions on the cutter head after wear, calculate the wear amount of the cutter and spokes and guide the tool change more economically, and review the overall cutter height of the cutter head after the tool change. High precision measurement has become particularly important, but the tools that can measure the tool height on the market have large errors and low measurement efficiency, so it is particularly necessary to design a measuring device that is simple in structure, easy to operate and effective

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