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Sensors and devices for tool wear detection of shield machines, and tool systems

A technology of shield machine tool and detection device, which is applied in electromagnetic measuring device, electromagnetic/magnetic thickness measurement, mining equipment, etc., can solve problems such as tool wear amount error

Active Publication Date: 2018-07-06
CHINA RAILWAY CONSTR HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of the installation method, there is a large error in the amount of tool wear detected by the existing online detection method

Method used

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  • Sensors and devices for tool wear detection of shield machines, and tool systems
  • Sensors and devices for tool wear detection of shield machines, and tool systems
  • Sensors and devices for tool wear detection of shield machines, and tool systems

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Embodiment Construction

[0047] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0048] Also, in the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without the specific details or in the particular manner described.

[0049] In order to overcome the problems existing i...

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Abstract

The invention discloses a sensor for wear detection on a shield machine cutter, a device and a cutter system. The sensor comprises a ladder-shaped capacitor network. The ladder-shaped capacitor network comprises a plurality of first capacitors and a plurality of second capacitors, wherein the plurality of first capacitors are serially connected to form a first capacitor network and the first end of the first capacitor network forms a first external port of the ladder-shaped capacitor network; two ends of the first capacitor network and the intersection point of adjacent first capacitors in the first capacitor network are connected with the first end of each second capacitor, and the second end of each second capacitor is connected through a wire and forms a second external port of the ladder-shaped capacitor network. The sensor has a simple structure, realization is easy, and the wear amount of the shield machine cutter can be reflected more accurately.

Description

technical field [0001] The invention relates to the technical field of shield machine cutters, in particular to a sensor for detecting shield machine cutter wear, a shield machine cutter wear detection device, and a shield machine cutter system. Background technique [0002] Shield tunneling machine (referred to as shield machine) is a large-scale equipment used for tunnel and subway construction. In the construction of the shield machine, the cutter is one of the most important tools in the excavation process. Before the cutter reaches the wear limit, the cutter must be replaced, otherwise it may cause disastrous engineering accidents. Therefore, the ability to accurately check the tool wear of the shield machine is directly related to whether the tunnel construction can be carried out normally. [0003] At present, the detection methods for the tool wear of the shield machine mainly include: shutdown inspection method, threshold detection method, tunneling parameter estim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/06E21D9/08
CPCE21D9/003E21D9/08G01B7/08
Inventor 程永亮暨智勇夏毅敏兰浩薛静李建芳
Owner CHINA RAILWAY CONSTR HEAVY IND