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Stuck machine extricating method for tunnel boring machine (TBM) during construction

A technology for roadheaders and tunnels, which is applied in tunnels, earth-moving drilling, mining equipment, etc., can solve problems such as affecting the construction period of tunnels, and achieve the effect of reducing engineering costs.

Active Publication Date: 2016-07-20
YELLOW RIVER ENG CONSULTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It generally takes 2 to 5 months, or even up to 1 year, to deal with the above-mentioned machine jamming accidents. Compared with the rapid construction of tunnel boring machines, it seriously affects the construction period of the tunnel.

Method used

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  • Stuck machine extricating method for tunnel boring machine (TBM) during construction
  • Stuck machine extricating method for tunnel boring machine (TBM) during construction
  • Stuck machine extricating method for tunnel boring machine (TBM) during construction

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Embodiment Construction

[0020] like Figure 1-6 As shown, the method for getting rid of the stuck machine during the construction of the tunnel boring machine of the present invention is carried out according to the following steps:

[0021] The first step is to set the cutter head of the tunnel boring machine to be composed of a central circular panel 1 and a side panel 2 welded along the outer edge of the central circular panel 1; the diameter of the side panel 2 is equal to the tunnel excavation diameter, and the central circular panel 1 The diameter is smaller than the tunnel design diameter;

[0022] In the second step, the shield of the tunnel boring machine adopts an inner and outer two-layer structure arranged along the radial direction. The boot shield 5 and the inner tail shield 6 are composed; the outer boot shield 3 and the inner boot shield 5, the outer tail shield 4 and the inner tail shield 6 are respectively connected by bolts 7; the outer shield The diameter is smaller than the exc...

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Abstract

The invention discloses a stuck machine extricating method for a tunnel boring machine (TBM) during construction. 1, a cutter disk of the TBM is arranged to be composed of a center round panel and a side edge panel welded around the outer edge of the center round panel. 2, an inner layer structure and an outer layer structure which are arranged in the radial direction are adopted for a protection shield of the TBM, the inner layer protection shield body and the outer layer protection shield body are connected through bolts, and the inner layer protection shield body is connected with a needle beam of the TBM through a hydraulic telescopic oil cylinder. 3, when stuck, the cutter disk of the TBM is cut, the side edge panel is abandoned, the outer layer protection shield body is detached, and the inner layer protection shield body is retracted through the hydraulic telescopic oil cylinder; the complete TBM is pulled out of a tunnel by a trailer, a new side edge panel is transported into the tunnel, and then the complete TBM is transported into the tunnel again; and in the tunnel, the cutter disk is welded, the inner layer protection shield body and the outer layer protection shield body are connected and installed, and then boring can be conducted again. The stuck machine extricating method has the advantage that the problem that the TBM is stuck in a soft ground is effectively solved, and the advantage of fast boring of the TBM is fully achieved.

Description

technical field [0001] The invention relates to a tunnel boring machine for hard rock, in particular to a method for getting rid of a stuck machine during construction of the tunnel boring machine. Background technique [0002] According to the relevant practice data of TBM (abbreviation of Tunnel Boring Machine in English; Tunnel Boring Machine) tunneling construction at home and abroad when passing through unfavorable geological tunnel sections, it is shown that when the tunnel boring machine has a jamming accident, the tunneling has to be stopped, and then advanced treatment measures (advance reinforcement) have to be taken. Grouting, advanced pilot hole, side hole, etc.) to complete the cleaning of loose bodies near the cutter head of the tunnel boring machine, and replace the cutter when necessary to ensure the successful start of the tunnel boring machine. It usually takes 2 to 5 months, even up to 1 year, to deal with the above-mentioned machine jamming accidents. Com...

Claims

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Application Information

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IPC IPC(8): E21D9/08
CPCE21D9/08
Inventor 张金良刘宗仁翟建杨晓箐
Owner YELLOW RIVER ENG CONSULTING
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