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Shield segment facilitating channel fixing

A technology of shield segments and fixed grooves, which is applied in tunnels, tunnel linings, earthwork drilling and mining, etc., to achieve the effects of preventing movement, facilitating maintenance and replacement, and improving stability and firmness

Pending Publication Date: 2021-06-18
广西安盾交通科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a shield segment that is convenient for fixing the channel, so as to solve the problems existing in the prior art when using lifting lugs to fix the channel

Method used

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  • Shield segment facilitating channel fixing
  • Shield segment facilitating channel fixing
  • Shield segment facilitating channel fixing

Examples

Experimental program
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Effect test

Embodiment

[0026] A shield segment for conveniently fixing slots, comprising:

[0027] A shield segment 100, the shield segment 100 is spliced ​​by a plurality of segment bodies 101, and adjacent segment bodies 101 are connected by segment connecting bolts (not shown in the drawings); the shield segment 100 Connecting sleeves 102 are pre-embedded in the upper half of the upper part; what needs to be explained here is that the segment connecting bolts are arc-shaped bolts; the corresponding segment body 101 is provided with arc-shaped through holes for the segment connecting bolts to pass through The through holes on the two adjacent segment bodies 101 are then locked with nuts, and then the two adjacent segment bodies 101 are connected together. This part is the prior art. In addition, it should be noted that the connecting sleeve 102 is a hollow cylindrical structure whose upper end seals the lower end and the lower opening. bit board.

[0028] The connecting seat 200, the upper surfa...

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Abstract

The invention relates to the technical field of tunnel shield segments, in particular to a shield segment facilitating channel fixing. The shield segment comprises a shield segment body, connecting seats, channels and pressing plates, wherein connecting sleeves are embedded in the upper half part of the shield segment body at intervals, connecting rods are integrally formed on the upper surfaces of the connecting seats, the connecting rods are in threaded connection with the interiors of the connecting sleeves, fixing grooves are concavely formed in the lower surfaces of the connecting seats, openings are formed in the lower walls of the channels, the channels are accommodated in the fixing grooves, the pressing plates are connected to the lower ends of the connecting seats, and the upper surfaces of the pressing plates abut against the channels. According to the shield segment, the connecting sleeves are pre-buried, the connecting seats and the pressing plates are designed, the channels can be fixed to the shield segment body conveniently, and meanwhile follow-up maintenance and replacement of the channels are facilitated; and in addition, limiting strips are designed on the pressing plates, the side walls of the channels can be tightly attached to the inner walls of the fixing grooves, the channels are prevented from moving, and the stability and firmness of channel fixing can be improved.

Description

technical field [0001] The invention relates to the technical field of tunnel shield segments, in particular to a shield segment for conveniently fixing channels. Background technique [0002] The shield segment is the permanent lining structure of the shield tunnel. It is the innermost barrier of the tunnel and bears the role of resisting soil pressure, groundwater pressure and some special loads. A circular shield segment is composed of 4-5 Arc-shaped shield segments are spliced ​​together, and adjacent arc-shaped shield segments are connected together by segment connecting bolts. During the construction of the tunnel, it is necessary to fix the channel on the shield segment. The channel is mostly a hot-rolled C-shaped channel with teeth, which is widely used in rail transit, high-speed rail and buildings. The T-bolts matched with the channel can realize the installation of various structures, so as to replace the building connection components of traditional anchor bolts...

Claims

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Application Information

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IPC IPC(8): E21D11/08
CPCE21D11/08
Inventor 户文亭蒋志顺户武亭
Owner 广西安盾交通科技有限公司
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