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Joggle-joint smart shield segment

A technology of tenon-joining shield pipes and shield segments, which is applied in wellbore lining, tunnel lining, underground chambers, etc., can solve the difficulty in collecting segment status information for shield segment operation and maintenance, and the large amount of shield segments used. and other problems, to achieve the effect of speeding up the construction process of the shield, making the occlusion firm, and improving the splicing efficiency.

Pending Publication Date: 2019-05-07
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the construction of subways, tunnels, roadways, culverts, and comprehensive utility corridors, shield segments are used in large quantities. Due to the small space of shield tunnels, the fastening of bolts between segments needs to be done manually. It is an important factor affecting the construction process. In addition, there are great difficulties in the operation and maintenance of shield segments and the collection of segment status information during the operation of subways, tunnels, roadways, culverts, and comprehensive utility corridors.

Method used

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  • Joggle-joint smart shield segment
  • Joggle-joint smart shield segment
  • Joggle-joint smart shield segment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 As shown, a mortise-joint shield segment includes a sheet body 1, and one end of the sheet body 1 having a ring upward has a first bump 2, and the other end of the sheet body 1 ring upward has a first bump 2 that coincides with the first bump 2. A card slot 4, a first pin hole 3 is formed on each longitudinal end surface of the first protruding block 2. Such as image 3 As shown, the first pin hole 3 has a first pin 8, the first pin 8 is covered with a spring 9, the front end of the first pin 8 has a stopper 10, and the two ends of the spring 9 are respectively against the first pin hole 3 bottom and first pin hole 3 front. The two longitudinal inner walls of the first slot 4 each have a second pin hole 5 that is matched with the first pin 8. When the first protrusion 2 is snapped into the first slot 4 on another shield segment, The first pins 8 respectively spring into the second pin holes 5 on another shield segment. There are two first protrusion...

Embodiment 2

[0035] Such as figure 2 As shown, a mortise-joint shield segment includes a sheet body 1 , a first lug 2 is provided at one end of the sheet body 1 , and a first groove 4 is provided at the other end of the sheet body 1 . A first pin hole 3 is respectively arranged on the longitudinal end surface of the first protrusion 2 , and a first spring pin is arranged in the first pin hole 3 .

[0036] Such as image 3 As shown, the spring pin is covered with a spring 9, and the front end of the pin 8 has a catch 10, and the two ends of the spring 9 are against the bottom of the pin hole and the front end of the pin hole respectively.

[0037]The two longitudinal inner walls of the first slot 4 each have a second pin hole 5 that is matched with the first pin 8. When the first protrusion 2 is snapped into the first slot 4 on another shield segment, The first spring pins respectively spring into the second pin holes 5 on another shield segment. There are two first protrusions 2 and tw...

Embodiment 3

[0043] Such as Figure 5 and Figure 6 As shown, a shield segment with tenon joints includes a sheet body 1 , a circumferential screw groove 19 , a longitudinal screw groove 20 , and a sealing strip 23 . One end of the sheet body 1 has two tenons 22, and the other end has two tenon grooves 21. Both the tenon heads 22 and the tenon grooves 21 are arc-shaped grooves, and the curvature of the tenon heads 22 and the tenon grooves 21 is the same as that of the sheet body 1. When the shield segment is installed, the tenon 22 is inserted into the tenon groove 21. Since the curvature of the tenon 22 and the tenon groove 21 is the same as that of the intelligent sheet body 1, the arc-shaped circumferential screw grooves 19 at both ends of the two pieces 1 With automatic alignment, the arc-shaped bolts can pass through the circumferential screw groove 19 smoothly, which greatly reduces the difficulty of aligning the circumferential screw groove 19, improves the connection efficiency of...

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Abstract

The invention provides a joggle-joint smart shield segment. The two ends and two sides of a segment body of the joggle-joint smart shield segment are provided with tenons and mortises, and the two ends and two sides of the joggle-joint smart shield segment are provided with rapid clamping structures; a segment ring formed by two adjacent joggle-joint shield segments and a segment ring formed by one abutting shield segment are alternatively distributed in the longitudinal direction so that the adjacent joggle-joint shield segments can be rapidly fixed; the adjacent joggle-joint shield segmentsare in inserted connection through tenon joints, so that meshing between the adjacent joggle-joint shield segments is firmer, the segment rings do not easily deform, construction is convenient and efficient, the splicing efficiency of the shield segments is greatly improved, and the shield construction process is speeded up; besides, the tenons and the mortises are provided with rock bolt holes. When the shield segments are mounted, the tenons are inserted into the mortises, and rock bolts penetrate through the rock bolt holes to fix the tenons. By adopting the smart segment body, the problemsof monitoring, operating and maintaining the joggle-joint smart shield segment during operation of subways, tunnels, roadways, culverts and utility tunnels are solved, unmanned monitoring is achieved, and the informatization and intelligent degrees of underground lane-and-cave lines are improved.

Description

technical field [0001] The invention relates to shield technology, in particular to a mortise-jointed intelligent shield segment. Background technique [0002] The construction of subways, tunnels, roadways, culverts, and comprehensive pipe corridors often uses shield construction. The shield segment is the main assembly component of shield construction, and it is the innermost barrier along the shield roadway, which is responsible for resisting soil pressure, Groundwater pressure and the effect of some special loads. The shield segment is the permanent lining structure of the shield tunnel. The quality of the shield segment is directly related to the overall quality and safety of the tunnel, and affects the waterproof performance and durability of the tunnel. Existing shield segments generally adopt arc-shaped sheet structures, and are sealed and waterproof by sealing strips. The sheet ring has arc-shaped screw grooves upward, and straight screw grooves in the longitudinal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/08E21D9/06E21F17/18
Inventor 马占国苏阳龚鹏鞠杨靳苏平汪明志牛凯张金炉赵慧波倪亮闫小军杨小军陈永珩徐磊孙彦景张亮王宇赵东升何良张爱军韩月强
Owner CHINA UNIV OF MINING & TECH
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