A system that facilitates rapid detection of hob wear

Abstract

The present invention discloses a system for the rapid detection of the wearing degree of a hobbing cutter. The system comprises a disk type hobbing cutter, oxygen-nitrogen system green fluorescent powders arranged in the cutter ring of the disk type hobbing cutter, a purple light chip arranged in a soil warehouse, and a cutterhead hobbing cutter monitoring system. The disk type hobbing cutter comprises a cutter shaft, a bearing, a cutter body and a cutter ring, wherein the bearing, the cutter body and the cutter ring are arranged on the cutter shaft. According to the technical scheme of the invention, BaSiON:Eu green fluorescent powders are applied to the disk type hobbing cutter. Based on the photoluminescence principle of the fluorescent powders, the fluorescent powders are combined with the purple light chip matched with the fluorescent powders, and the wearing degree and the wearing manner of the hobbing cutter can be simply and accurately determined with the assistance of a real-time monitoring system. Meanwhile, the location of the hobbing cutter can be determined. The manual inspection risk problem caused by a shield entering a chamber under the pressure and the TBM unfavorable geological condition in the prior art can be solved. Moreover, the system is strong in practicability and can greatly reduce the potential safety hazard of the cutter inspection personnel. Therefore, the system is good in application prospect.

Description

technical field [0001] The invention relates to the technical field of hob wear detection during shield tunneling and TBM construction, in particular to a system for quickly detecting hob wear. Background technique [0002] In the process of shield tunneling and TBM excavation, the wear of the disc hob is a very common problem, and it is also a problem that must be solved as soon as possible during construction, otherwise it will lead to the risk of downtime and the delay of the construction period. Therefore, in the tunnel construction process, the rapid detection and timely replacement of the disc hob is related to whether the excavation can be carried out normally. [0003] At present, in the process of shield tunneling and TBM excavation, many methods have been formed for the wear detection of disc hobs. For example, in terms of shield tunneling, Herrenknecht has formed the shield normal pressure tool change technology led by Herrenknecht, and the saturated pressure too...

AI Technical Summary

Problems solved by technology

[0004] However, during the tool detection and tool change process of the shield machine, it is easy to be limited by the pressure under the chamber, which affects the tool change operation

At the same time, due to the limitation of the working environment of the tool changing operators, the time for detection and tool changing under the warehouse should not be too long, which seriously affects the speed of tool changing in shield tunneling

In the process of TBM excavation, very complicated geological conditions are often encountered. At this time, the tool maintenance personnel must also enter the cutter head to check and replace the tool, which greatly increases the safety hazards of the staff.

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