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Shield construction system and shield construction method

A shield and component technology, which is applied in earth-moving drilling, wellbore lining, tunnel lining, etc., can solve the problems of not being able to perform at the same time and low construction efficiency.

Pending Publication Date: 2021-05-18
CHINA CREC RAILWAY ELECTRIFICATION BUREAU GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the field of large-scale tunnel construction, shield machines are mostly used for tunnel construction. In the process of shield machine construction, the traditional construction method is to first pump the slurry on the tunnel battery car to the trolley slurry storage tank, and then pump the tunnel The segments on the battery car are hoisted to the assembly area until all the segments on the tunnel battery car are hoisted, then the tunnel battery car is driven to the excavation opening, and then the shield machine is excavated, and the battery car is used for soil transportation. This construction method is shield tunneling. Machine tunneling and segment hoisting cannot be carried out at the same time, resulting in low construction efficiency

Method used

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  • Shield construction system and shield construction method
  • Shield construction system and shield construction method
  • Shield construction system and shield construction method

Examples

Experimental program
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Embodiment 1

[0033] Such as Figure 1-Figure 5 As shown, a shield construction system is provided in this embodiment, including a trolley 5 and a tunnel battery car 6. Two trolley tracks 16 and a tunnel battery car track 17 are installed in the tunnel 4, and the tunnel battery car track 17 is located on two platforms. Between the trolley tracks 16, the trolley 5 is arranged on two trolley tracks 16, and the tunnel battery car 6 is arranged on the tunnel battery car track 16. The front part of the trolley 5 is open, and the front side of the bottom wall of the trolley 5 has an opening. Including the first square wood unit, the first component unit and the top support unit, the first square wood unit is arranged on the flat plate 7 of the tunnel battery car 6, the first square wood unit includes two first square wood 2, two first square wood units A square of wood 2 is distributed along the front and back directions and can support the segment group. The supporting unit is arranged on the fl...

Embodiment 2

[0052] This embodiment is further limited on the basis of Embodiment 1. In this embodiment, the segment group includes two or more segments 1, and the two or more segments 1 are distributed longitudinally. The adjacent two segments Slice 1, two second square timbers 3 are placed on the lower segment 1, and the two second square timbers 3 support the upper segment 1. Specifically, the number of segment 1 contained in the segment group is set according to the actual situation. For example, for a shield machine with an outer diameter of 6.28m, the outer diameter of segment 1 is 6m, the inner diameter is 5.4m, and the width is 1.2m. During use, on the tunnel battery car 6, a flat plate 7, a first square wooden unit, a first component unit, a supporting unit and a segment group are two, the flat plate 7, the first square wooden unit, the first component unit, the top The support unit corresponds to the segment group one by one, and each segment group contains three segments 1. In t...

Embodiment 3

[0054] This embodiment is further limited on the basis of Embodiment 1. A shield construction method is provided in this embodiment, using a shield construction system, including the following steps:

[0055] A. Place the segment group on the first square wooden unit;

[0056] B. Use the tunnel battery car 6 to transport the segment group from the tunnel entrance to the trolley 5;

[0057] C. Start the supporting unit to lift up the segment group so that the segment group is separated from the first square wood 2;

[0058] D. Use the first member unit to support the segment group;

[0059] E. The top supporting unit descends, and the tunnel battery car moves from below the trolley 5 to the excavation opening.

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Abstract

The invention discloses a shield construction system and a shield construction method. The shield construction system comprises a trolley and a tunnel battery car, wherein two trolley tracks and a tunnel battery car track are mounted in a tunnel. The shield construction system further comprises a first square wood unit, a first component unit and a top supporting unit, wherein the first square wood unit comprises two first square woods, and the two first square woods are distributed in the front-back direction and can support a pipe piece group; the top supporting unit comprises a lifting device group and a second component, the second component is connected with the output end of the lifting device group, and the lifting device group can drive the second component to move up and down; and the first component unit comprises two first components, the two first components are detachably connected to the trolley, the two ends of the first components are located on the left side and the right side of an opening correspondingly, the two first components are distributed in the front-back direction, and the two first components can support the pipe piece group. By using the shield construction system, the efficiency of shield construction can be improved.

Description

technical field [0001] The invention relates to the technical field of tunnel construction engineering, in particular to a shield construction system and a shield construction method. Background technique [0002] At present, in the field of large-scale tunnel construction, shield machines are mostly used for tunnel construction. In the process of shield machine construction, the traditional construction method is to first pump the slurry on the tunnel battery car to the trolley slurry storage tank, and then pump the tunnel The segments on the battery car are hoisted to the assembly area until all the segments on the tunnel battery car are hoisted, then the tunnel battery car is driven to the excavation opening, and then the shield machine is excavated, and the battery car is used for soil transportation. This construction method is shield tunneling. Machine tunneling and segment hoisting cannot be carried out at the same time, and the construction efficiency is low. Conte...

Claims

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Application Information

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IPC IPC(8): E21D9/087E21D11/08E21D11/40
CPCE21D9/0873E21D11/08E21D11/40Y02T30/00
Inventor 幸智军李夏南秦川苏运涛李康康康前进张鹏杨睿喆黄雪林王楠韩亚旭熊必超廖正京王宁药世康王帅谢国良彭仁超李乐乐闻任飞
Owner CHINA CREC RAILWAY ELECTRIFICATION BUREAU GRP
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