A tbm cutter head hob cutter seat replacement positioning detection device

Abstract

The invention belongs to the technical field of remanufacturing of a tunnel boring machine (TBM), and relates to a positioning and detecting device for replacement of a cutter bed of a hobbing cutteron a cutter head of the tunnel boring machine. The provided positioning and detecting device for replacement of the cutter bed of the hobbing cutter on the cutter head of the tunnel boring machine hasa rotating shaft arranged at the center of the cutter head; a horizontal rule is connected to the rotating shaft; a vertical scale line for the standard cutter space of the hobbing cutter on the cutter head of the tunnel boring machine, and a horizontal scale line are marked on the horizontal rule; the positioning and detecting device is also provided with a fake cutter tool for being placed in asquare hole of a cutter box on the cutter head; the two ends of a fake cutter shaft of the fake cutter tool are respectively supported on a left base and a right base; a perforated faceplate is welded on the fake cutter shaft; the lower end of the perforated faceplate is welded at the middle part of the upper end surface of a cutter shaft; a slot is formed in the left lower end of the upper end surface of the perforated faceplate; an ejection lead screw parallel to the left base is welded in the slot; and an L-shaped through hole is formed in the perforated faceplate. The positioning and detecting device ensures the installation accuracy, improves the replacement efficiency of a new cutter bed, and reduces the remanufacturing cost of the cutter head of the TBM.

Description

technical field [0001] The present invention relates to the technical field of full-face rock tunnel boring machine (TBM) remanufacturing, and relates to a TBM cutterhead hob cutter seat replacement positioning detection device, in particular to a TBM cutter head 19" single-edged hob cutter seat replacement positioning detection device. Background technique [0002] The cutter head of a full-face rock tunnel boring machine (TBM) is equipped with central hobs, front hobs and side hobs. The center hob is generally 17 inches, and the front hob and side hobs are generally 19 inches. During the long-term long-distance (at least 5-10km) single-head excavation construction process, the hob on the cutterhead bears a large load and the load-bearing environment is harsh. The tight block and the connecting bolt are fixed on the positioning surface of the tool seat) and the phenomenon of wear of the positioning surface or cracks in the hardened layer is also prone to occur. After the ...

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Problems solved by technology

[0002] The cutter head of a full-face rock tunnel boring machine (TBM) is equipped with central hobs, front hobs and side hobs. The center hob is generally 17 inches, and the front hob and side hobs are generally 19 inches. During the long-term long-distance (at least 5-10km) single-head excavation construction process, the hob on the cutterhead bears a large load and the load-bearing environment is harsh. The tight block and the connecting bolt are fixed on the positioning surface of the tool seat) and it is also prone to wear of the positioning surface or cracks in the hardened layer

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