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Method for transforming shield tunneling system adapting to 36-degree pipe segments into shield tunneling system adapting to 22.5-degree pipe segments

A technology of propulsion system and segment, which is applied in earth-moving drilling, mining equipment, tunnels, etc., can solve the problem of inapplicable 22.5° segment assembly, etc., and achieve the effect of shortening the transformation time, saving cost and reducing the total quantity

Active Publication Date: 2015-08-12
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a method suitable for the transformation of the 36° segment shield propulsion system to adapt to the 22.5° segment, and solve the problem that the shield machine suitable for the 36° segment cannot be applied to the 22.5° segment The problem of pipe assembly

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  • Method for transforming shield tunneling system adapting to 36-degree pipe segments into shield tunneling system adapting to 22.5-degree pipe segments
  • Method for transforming shield tunneling system adapting to 36-degree pipe segments into shield tunneling system adapting to 22.5-degree pipe segments
  • Method for transforming shield tunneling system adapting to 36-degree pipe segments into shield tunneling system adapting to 22.5-degree pipe segments

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[0020] Combine below figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 The present invention is described further:

[0021] The present invention provides a method for transforming the shield propulsion system adapted to 36° segments to adapt to 22.5° segments, and the original 30 single and double oil cylinders distributed at intervals of 18° are used for propulsion cylinders adapted to 36° segments. The layout is divided into four quadrants according to the two axes, including the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant. The transformation of the first quadrant includes the following steps: welding the extension brace on the original No. 1 brace shoe 1 of the propulsion cylinder Boots 10 form the new No. 1 stretcher 6, and a new No. 1 boot plate 11 is installed on the new No. 1 stretcher 6, so that the pusher stretcher can satisfy the assembling of the capping block at a position of 22.5° above the deviat...

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Abstract

The invention discloses a method for transforming a shield tunneling system adapting to 36-degree pipe segments into a shield tunneling system adapting to 22.5-degree pipe segments. Original propulsion cylinder arrangement which adopts 30 odd-numbered and even-numbered cylinders distributed at an interval of 18 degrees and adapts to 36-degree pipe segments is divided into four quadrants according to two axes. First, second, third and fourth support shoes in the first quadrant of propulsion cylinders are transformed to form four new sets of support shoes, and transformation in the symmetrical positions of the other three quadrants is the same with transformation on the first quadrant, so that there is a cylinder corresponding to the position where a 22.5 pipe segment capping block appears in all 16 adjusting positions within 360 degrees of the circumference. The problem that a shield adapting to 36-degree pipe segments cannot adapt to assembling of 22.5-degree pipe segments is solved, the transformation time is shortened, the period in which shield equipment stops waiting due to project continuing interval is shortened, and the adaptability of equipment is enhanced.

Description

technical field [0001] The invention relates to the technical field of tunneling, in particular to a method for transforming a shield propulsion system adapted to a 36° segment to adapt to a 22.5° segment. Background technique [0002] At present, in the construction of domestic subway tunnel shield method, there are two specifications for the indexing of the longitudinal bolts of the preset segments used in tunnels with the same diameter. Among them, Guangzhou, Shenzhen, Xi’an, Nanchang, and Chengdu urban subways use an outer diameter of 6000 mm and an inner diameter of 6000 mm. 5400mm, the longitudinal bolt index is 36° prefabricated segment; Beijing, Zhengzhou, Wuhan, Shenyang urban subways use prefabricated segment with outer diameter 6000mm, inner diameter 5400mm, longitudinal bolt index is 22.5°. Each closed ring of these two segments is composed of 6 segments. In the sequence of assembling the 6 segments into a ring, the segment with beveled angles at both ends become...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/06
Inventor 叶蕾庞培彦马哲袁文征高文梁
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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