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Variable diameter shield construction device and construction method thereof

A construction device and shield technology, which is applied in shaft equipment, earthwork drilling, wellbore lining, etc., can solve the problems of increased construction cost and difficulty in securing land for the project, so as to reduce construction cost, reduce engineering quantity, save construction cost and The effect of duration

Pending Publication Date: 2019-08-30
江苏格睿特管网工程有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to guarantee land for construction in cities, and the use of two shield machines and one working well will greatly increase the construction cost

Method used

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  • Variable diameter shield construction device and construction method thereof
  • Variable diameter shield construction device and construction method thereof
  • Variable diameter shield construction device and construction method thereof

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] Such as figure 1 As shown, a variable-diameter shield construction device includes a shield machine main body 1, an annular sleeve 2 is installed on the outer periphery of the shield machine main body 1, and a large-diameter shield machine is arranged on the annular sleeve 2. Propel the jack 3, the front end of the shield machine host 1 is provided with an inner ring cutter head 4, the front end of the annular sleeve 2 is provided with an outer ring cutter head 5, the inner ring cutter head 4 and the outer ring cutter The discs 5 are arranged concentrically on the same horizontal plane and are movably connected.

[00...

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Abstract

The invention discloses a variable diameter shield construction device. The variable diameter shield construction device includes a shield tunneling machine main machine (1), the external circumference of the shield tunneling machine main machine (1) is provided with a ring-shaped sleeve (2), the ring-shaped sleeve (2) is provided with a large diameter shield push jack (3), the front end of the shield tunneling machine main machine (1) is provided with an inner circle cutter (4), the front end of the ring-shaped sleeve (2) is provided with an external circle cutter (5), and the inner circle cutter (4) and the external circle cutter (5) are concentrically arranged on the same horizontal plane and movably connected. The invention further discloses a construction method of the variable diameter shield construction device, the variable diameter shield construction device is a shield tunneling machine which can change diameters in the process of construction, working wells do not need to bearranged, the construction cost can be greatly saved, and working periods can be greatly shortened.

Description

technical field [0001] The invention relates to a variable-diameter shield construction device and a construction method, belonging to the technical field of shield construction. Background technique [0002] In urban pipeline engineering, the diameter of the pipeline is often changed. At present, the conventional method of the shield tunneling method is to set up a working well at the place where the diameter of the pipeline is changed, and then use another specification of the shield machine to re-excavate. However, it is difficult to guarantee land for construction in cities, and the use of two shield machines and one working well will greatly increase the construction cost. The invention adopts a shield machine whose diameter can be changed in the construction process, and does not need to set up a working well, which can greatly save construction cost and construction period. Contents of the invention [0003] The object of the present invention is to address the abo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/06E21D9/08E21D11/10E21D11/08
CPCE21D9/06E21D9/0607E21D9/08E21D11/105E21D11/08
Inventor 杨旭明解萍
Owner 江苏格睿特管网工程有限公司
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