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Grippers for TBMs and full-face rock boring machines

A technology for roadheaders and boots, which is applied in mining equipment, tunnels, earth-moving drilling, etc., can solve the problems of steel arches that cannot meet the requirements of different spacings, meet the stability requirements, speed up the construction process, and be flexible and convenient to install. Effect

Active Publication Date: 2019-01-22
CHINA RAILWAY CONSTR HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the conventional single, fixed-slotted spacer cannot meet the requirements of assembling steel arches with different spacing

Method used

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  • Grippers for TBMs and full-face rock boring machines
  • Grippers for TBMs and full-face rock boring machines
  • Grippers for TBMs and full-face rock boring machines

Examples

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Embodiment Construction

[0035] The present invention will be described in more detail below in conjunction with the accompanying drawings. It should be noted that the following directional terms such as "up", "down", "left", "right" and the like are described with respect to the drawings, and do not play any restrictive role.

[0036] figure 1 A boot 100 for a TBM according to the invention is shown. As shown in the figure, the boot 100 includes a boot body 1 , which is generally a frame-shaped structure welded by steel plates, and ribs are installed inside. The boot body seat 1 has an arc-shaped top surface 1-1, on which are provided with threaded holes 1-2 with different pitches, see figure 2 . Since the structure of the shoe body seat 1 is well known to those skilled in the art, its detailed introduction is omitted here.

[0037] In practical engineering applications, after the excavation of TBM excavation tunnels, it is necessary to promptly assemble steel arches, bolts, and shotcrete to pre...

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Abstract

The invention provides a supporting shoe for a full face rock tunnel boring machine. The supporting shoe comprises a supporting shoe body seat with an arc top face. The supporting shoe further comprises at least two fixed blocks and at least two movable blocks, wherein the fixed blocks are fixed to the top face of the supporting shoe body seat and spaced from one another, and the movable blocks are detachably installed on the top face of the supporting shoe body seat and arranged on the two sides of the fixed blocks separately.

Description

technical field [0001] The present invention relates to a tensioning device, and more particularly to a spreader shoe for a boring machine, especially a full-face rock boring machine (TBM). The invention also relates to a full-face rock boring machine comprising such a brace. Background technique [0002] Roadheader is a large construction machine commonly used in tunnel construction. Among them, the full-face rock boring machine (TBM) is a tunnel construction machine that uses rotary cutters to excavate, simultaneously breaks the surrounding rock in the tunnel and excavates to form the entire tunnel section. With the development of TBM tunneling technology, TBM has been widely used in various geological conditions of surrounding rock. In TBM, the supporting mechanism is an important part for TMB to realize continuous excavation. During the propulsion process, the support mechanism stretches out the support shoe to support the surrounding rock, and provides the supporting...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D9/10E21D9/11
CPCE21D9/10E21D9/1006E21D9/11
Inventor 刘飞香程永亮郑大桥何其平张社军罗建利蔡光辉孔鑫建
Owner CHINA RAILWAY CONSTR HEAVY IND
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