Shield machine with hobs with abrasion display function

Abstract

The invention discloses a shield machine with hobs with an abrasion display function. The shield machine comprises a cutter head equipped with a plurality of the hobs with an abrasion indication function, a front shield equipped with a main bearing, a rotating sealing cover, a rotating bearing ring and a fixed annular support, a rotating support for connecting the cutter head with the rotating bearing ring and a rotating sealing sleeve for connecting the cutter head with the rotating sealing cover, wherein each of the hobs with the abrasion indication function is provided with an inner cavitywhich extends from the end part of a cutter shaft to a cutting edge, the inner cavities are connected with oil passages respectively, the oil passages comprise the oil passage a connected with a pressure display integrated block and the oil passage b connected with a pressure signal transmission device, and a pressure gauge is arranged on the pressure display integrated block. The oil passage a and the oil passage b are connected with the pressure display integrated block and the pressure signal transmission device respectively, therefore the abrasion conditions of the corresponding cutting edges of the hobs can be monitored in real time and the advantages of accurate abrasion display and strong operability can be achieved.

Description

technical field [0001] The invention relates to a shield machine, in particular to a shield machine with a hob wear display function. Background technique [0002] At present, the shield machine has become the preferred equipment for underground traffic engineering and tunnel construction. In order to adapt to various types of soil, the shield machine can be divided into three types: soft soil shield machine, hard rock shield machine and mixed type The shield machine, the body of the shield machine is mainly composed of the cutter head for installing the tool, the main bearing, the sealing cover and the rotating bracket. Due to the different working conditions, the wear degree of the tool is also different during the working process, and it is often necessary to stop for maintenance and repair. To replace the worn tool, the existing shield machine does not have the tool wear display function, so it is impossible to monitor whether the tool is worn in real time during the wor...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a shield machine with a hob wear display function to solve the problem that the current shield machine does not have a hob display function, and it is impossible to monitor whether the hob is worn in real time during work, and there is no pertinence during maintenance. problems, has the advantages of accurate wear display and strong operability

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