Supporting structure for tunnel segment

By designing a support structure for tunnel segments, and utilizing a combination of a main support and an arc-shaped support, along with a hydraulic telescopic assembly, the problem of misalignment during tunnel segment installation was solved, achieving stable support for multiple segments and improving installation accuracy and safety.

CN223881189UActive Publication Date: 2026-02-06SICHUAN JIUSHENG CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520414571.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-06
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Tunnel segments are prone to misalignment during installation, resulting in excessive gaps between segments, which affects the mechanical properties of the tunnel structure and engineering safety.

Method used

A support structure is adopted, including a main support part, an arc-shaped support part and a hydraulic telescopic assembly, forming a semi-circular ring support. Stable support is provided by hydraulic telescopic columns and support legs to ensure the simultaneous and stable installation of multiple tunnel segments.

Benefits of technology

This method achieves stable support for multiple tunnel segments simultaneously, reduces installation misalignment, and improves the installation accuracy and safety of the tunnel structure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223881189U_ABST
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Abstract

The utility model relates to the technical field of tunnel construction auxiliary equipment, in particular to a supporting structure for a tunnel segment, which comprises a main supporting part, a triangular supporting part is arranged at the top of the main supporting part, the triangular supporting part is provided with a first arc-shaped supporting part, and second arc-shaped supporting parts are connected to two sides of the main supporting part. The second arc-shaped supporting part is hinged to the first arc-shaped supporting part, the first hydraulic telescopic column is hinged to the first arc-shaped supporting part and the second arc-shaped supporting part, the second arc-shaped supporting part is hinged to a third arc-shaped supporting part, the third arc-shaped supporting part is provided with a mounting plate, and first hydraulic supporting legs are arranged on the mounting plate. The first arc-shaped supporting part, the second arc-shaped supporting part and the third arc-shaped supporting part which are symmetrically arranged form a semi-annular support used for supporting the tunnel segment, and the problems that in the installation process of the tunnel segment, a single tunnel segment is usually supported, so that installation deviation is likely to happen in the installation process of the tunnel segment, and the tunnel segment is prone to being damaged are solved. And the problem that the gap between the tunnel segments is too large is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel construction auxiliary equipment technical field, concretely relates to a kind of support structure for tunnel segment. BACKGROUND

[0002] Shield method is used shield machine to dig underground, and excavation and lining operation are carried out under the protection of shield shell, so as to construct tunnel construction method. The lining of shield tunnel is assembled by a plurality of prefabricated reinforced concrete segments by bolt connection, and the segment and joint jointly constitute tunnel lining structure, therefore, the assembly quality and efficiency of segment will directly affect the mechanical properties of structure, the safe use of engineering and cost.

[0003] When installing tunnel segment, tunnel segment needs to be supported, so that tunnel segment is in stable state during installation. During installation, single tunnel segment is often supported, which leads to installation deviation of tunnel segment during installation, and leads to excessive gap between connected tunnel segments. SUMMARY

[0004] The utility model discloses a kind of support structure for tunnel segment, solve the problem that tunnel segment installation process is often single tunnel segment is supported, which leads to installation deviation of tunnel segment during installation, and leads to excessive gap between connected tunnel segments.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A support structure for tunnel segment, including the main support part of door frame shape and the support assembly of the lower end of the main support part, the top of the main support part is equipped with triangular support part, the top of the triangular support part is equipped with two symmetrical first arc-shaped support parts, the two sides of the main support part are connected with second arc-shaped support part by first hydraulic telescopic assembly, the upper end of the second arc-shaped support part and the lower end of the first arc-shaped support part are hinged, and the hinge is equipped with first opening, a plurality of first hydraulic telescopic columns are arranged in the first opening, the two ends of the first hydraulic telescopic column are hinged with the first arc-shaped support part and the second arc-shaped support part respectively, the lower end of the second arc-shaped support part is hinged with third arc-shaped support part, and the hinge of the second arc-shaped support part and third arc-shaped support part is equipped with second opening, a plurality of second hydraulic columns are arranged in the second opening, the two ends of the second hydraulic column are hinged with the third arc-shaped support part and the second arc-shaped support part respectively, the third arc-shaped support part is equipped with mounting plate along its length direction, the mounting plate is equipped with a plurality of first hydraulic support legs, the first arc-shaped support part, the second arc-shaped support part and the third arc-shaped support part are symmetrically arranged to form semicircular ring-shaped support for supporting tunnel segment.

[0007] Further technical solutions are that the main support part comprises two plate bodies arranged symmetrically, two connecting plates are arranged at the upper and lower ends of the two plate bodies arranged adjacently on one side, and the two connecting plates arranged adjacently are penetrated by the same stud, and the stud is provided with a fixing nut at the end away from the two connecting plates.

[0008] Still further technical solutions are that the support assembly comprises a first support part and a second support part; the first support part comprises a plurality of second hydraulic support legs arranged at the lower end of the plate body, limit blocks are arranged at the two sides of the lower end of the plate body, the limit blocks are vertically provided with a sliding groove arranged in a penetrating manner, a sliding block is slidably arranged in the sliding groove, a first moving plate is arranged at the lower end of the sliding block, and a roller is arranged at the lower end of the first moving plate; the second support part comprises two second moving plates, a second hydraulic telescopic column is arranged at the upper end of each second moving plate, the top of each second hydraulic telescopic column is connected with the lower end of each plate body, the two second moving plates are connected through a connecting column, and an inclined column is arranged between the arc-shaped end of the lower end of the plate body and the second moving plate.

[0009] Still further technical solutions are that the first hydraulic telescopic assembly comprises a mounting frame arranged along the length direction of the inner side of the second arc-shaped support part, a third hydraulic telescopic column is hingedly arranged on the mounting frame, and the side, away from the mounting frame, of the third hydraulic telescopic column is connected with the plate body arranged adjacently.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The main support part is supported by the support assembly, the top of the main support part is provided with a triangular support part, the top of the triangular support part is provided with two first arc-shaped support parts arranged symmetrically, the two sides of the main support part are connected with second arc-shaped support parts through first hydraulic telescopic assemblies, and the first arc-shaped support part, the second arc-shaped support part and the third arc-shaped support part arranged symmetrically form a semicircular annular support for supporting the tunnel segment, so that the plurality of tunnel segments can be simultaneously and stably supported. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model for a support structure for a tunnel segment.

[0013] Figure 2 It is another structural schematic view of the utility model for a support structure for a tunnel segment.

[0014] Figure 3 It is Figure 2 It is a local enlarged schematic view of position A. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples.

[0016] Embodiment

[0017] Reference Figures 1 to 3 As shown in the figure, a kind of support structure for tunnel segment is disclosed, including the main support part being arranged in door frame shape and the support assembly being arranged in the lower end of the main support part, the top of the main support part is equipped with triangular support part 1, the top of the triangular support part 1 is equipped with two first arc-shaped support parts 2 being symmetrically arranged, the two sides of the main support part are connected with second arc-shaped support part 3 by first hydraulic telescopic component, the upper end of the second arc-shaped support part 3 and the lower end of the first arc-shaped support part 2 are hinged, and the hinge is equipped with first opening 4, a plurality of first hydraulic telescopic columns 5 are equipped in the first opening 4, the two ends of the first hydraulic telescopic column 5 are hinged with the first arc-shaped support part 2 and the second arc-shaped support part 3 respectively, the lower end of the second arc-shaped support part 3 is hinged with third arc-shaped support part 6, and the hinge of the second arc-shaped support part 3 and the third arc-shaped support part 6 is equipped with second opening 7, a plurality of second hydraulic columns 8 are equipped in the second opening 7, the two ends of the second hydraulic column 8 are hinged with the third arc-shaped support part 6 and the second arc-shaped support part 3 respectively, the third arc-shaped support part 6 is equipped with mounting plate 9 along its length direction, the mounting plate 9 is equipped with a plurality of first hydraulic support legs 10, the third arc-shaped support part 6 is provided with stable support by first hydraulic support leg 10, and the first arc-shaped support part 2, the second arc-shaped support part 3 and the third arc-shaped support part 6 being symmetrically arranged form semicircular ring-shaped support for supporting tunnel segment.

[0018] In the utility model, the main support part is supported by support assembly, triangular support part 1 is arranged on the top of the main support part, the top of the triangular support part 1 is equipped with two first arc-shaped support parts 2 being symmetrically arranged, the two sides of the main support part are connected with second arc-shaped support part 3 by first hydraulic telescopic component, and the first arc-shaped support part 2, the second arc-shaped support part 3 and the third arc-shaped support part 6 being symmetrically arranged form semicircular ring-shaped support for supporting tunnel segment, so that multiple tunnel segments can be simultaneously and stably supported.

[0019] The upper end of the second arc-shaped support part 3 and the lower end of the first arc-shaped support part 2 are hinged, and the hinge is equipped with first opening 4, a plurality of first hydraulic telescopic columns 5 are equipped in the first opening 4, and the first hydraulic telescopic column 5 is used to provide stable support for the connection between the second arc-shaped support part 3 and the first arc-shaped support part 2.

[0020] The first hydraulic telescopic column 5 is hingedly connected with the first arc-shaped support part 2 and the second arc-shaped support part 3 respectively, the lower end of the second arc-shaped support part 3 is hingedly connected with the third arc-shaped support part 6, and the second arc-shaped support part 3 and the third arc-shaped support part 6 are provided with a second opening 7 at the hinged position, a plurality of second hydraulic columns 8 are arranged in the second opening 7, and the two ends of the second hydraulic column 8 are hingedly connected with the third arc-shaped support part 6 and the second arc-shaped support part 3 respectively, so that the second hydraulic column 8 can provide stable support for the connecting position of the third arc-shaped support part 6 and the second arc-shaped support part 3.

[0021] The main support part comprises two plate bodies 11 arranged symmetrically, and a connecting plate 12 is arranged at the upper and lower ends of each plate body 11 arranged adjacent to each other, and the two connecting plates 12 arranged adjacent to each other are penetrated by the same stud, and the stud is provided with a fixing nut at the end away from the two connecting plates 12, so that the two plate bodies 11 arranged symmetrically are connected by the stud, thereby facilitating the installation or disassembly of the plate body 11.

[0022] The support assembly comprises a first support part and a second support part; the first support part comprises a plurality of second hydraulic support legs 13 arranged at the lower end of the plate body 11, limit blocks 14 are arranged at the two sides of the lower end of the plate body 11, the limit blocks 14 are vertically provided with a through sliding groove 15, a sliding block 16 is slidably arranged in the sliding groove 15, a first moving plate 17 is arranged at the lower end of the sliding block 16, and a roller 18 is arranged at the lower end of the first moving plate 17; the second support part comprises two second moving plates 19, each second moving plate 19 is provided with a second hydraulic telescopic column 20, the top ends of the two second hydraulic telescopic columns 20 are connected with the lower ends of the two plate bodies 11 respectively, the two second moving plates 19 are connected by a connecting column 21, and an inclined column 22 is arranged between the arc-shaped end of the lower end of the plate body 11 and the second moving plate 19.

[0023] The second hydraulic support leg 13 can support the entire plate body 11, that is, by increasing the height of the plate body 11, the height of the entire device is increased, the semicircular ring-shaped support is brought into contact with the tunnel segment, and stable support is provided for the installation and fixation of the tunnel segment.

[0024] When the second hydraulic support leg 13 is retracted, the limit block 14 slides downward along the sliding block 16, and the sliding block 16 and the first moving plate 17 are in contact, so that the entire device can be moved.

[0025] The second support part comprises two second moving plates 19, upper ends of the second moving plates 19 are provided with second hydraulic telescopic columns 20, top portions of the two second hydraulic telescopic columns 20 are connected with lower ends of the two plate bodies 11 respectively, the two second moving plates 19 are connected through a connecting column 21, an arc-shaped end of the lower end of the plate body 11 and the second moving plate 19 are provided with an inclined column 22, and the second hydraulic telescopic column 20 and the inclined column 22 are used simultaneously to facilitate providing stable support for the two bodies arranged in connection.

[0026] The first hydraulic telescopic assembly comprises a mounting frame 23 arranged along the length direction of the inner side of the second arc-shaped support part 3, a third hydraulic telescopic column 24 is hingedly arranged on the mounting frame 23, and one side of the third hydraulic telescopic column 24, which is away from the mounting frame 23, is connected with the plate body 11 arranged in adjacency, and the third hydraulic telescopic column 24 facilitates providing stable support for the second arc-shaped support part 3.

[0027] Although the utility model has been described herein with reference to a number of explanatory embodiments of the utility model, it should be understood that those skilled in the art can design many other modifications and embodiments, which will fall within the scope and spirit of the principles disclosed in the present application. More specifically, many variations and modifications of the component parts of the subject combination layout and / or the layout itself can be made within the scope of the application disclosure, drawings and claims. In addition to the variations and modifications of the component parts and / or the layout, other uses will also be apparent to those skilled in the art.

Claims

1. A support structure for a tunnel segment, characterized by: The utility model provides a tunnel pipe piece support device, including the main support part that is arranged in the door frame and the support component that sets up in the lower end of main support part, the top of main support part is equipped with triangle support part, the top of triangle support part is equipped with two symmetrical first arc support part, the both sides of main support part are connected with second arc support part through first hydraulic telescopic component, the upper end of second arc support part and the lower end of first arc support part are hinged, and first opening is equipped in the hinge, a plurality of first hydraulic telescopic column is equipped in first opening, and the both ends of first hydraulic telescopic column are hinged with first arc support part and second arc support part respectively, the lower end of second arc support part is hinged with third arc support part, and second opening is equipped in the hinge of second arc support part and third arc support part, a plurality of second hydraulic column is equipped in second opening, and the both ends of second hydraulic column are hinged with third arc support part and second arc support part respectively, mounting plate is equipped along the length direction of third arc support part, a plurality of first hydraulic support leg is equipped on mounting plate, and first arc support part, second arc support part and third arc support part form semicircular annular support for supporting tunnel pipe piece.

2. A support structure for a tunnel segment according to claim 1, characterised in that: The main support part includes two symmetrically arranged plate bodies, each of the upper and lower ends of the two plate bodies arranged adjacent to each other is provided with a connecting plate, and the two connecting plates arranged adjacent to each other are penetrated by a same stud, and a fixing nut is arranged on the stud and at the end of the two connecting plates away from each other.

3. A support structure for a tunnel segment according to claim 2, characterised in that: The support component includes a first support part and a second support part; the first support part includes a plurality of second hydraulic support legs arranged at the lower end of the plate body, the two sides of the lower end of the plate body are provided with limiting blocks, the limiting blocks are vertically provided with a sliding groove arranged in a penetrating manner, a sliding block is slidably arranged in the sliding groove, a first moving plate is arranged at the lower end of the sliding block, and a roller is arranged at the lower end of the first moving plate; the second support part includes two second moving plates, the upper end of each second moving plate is provided with a second hydraulic telescopic column, the top of each second hydraulic telescopic column is connected to the lower end of each plate body, and the two second moving plates are connected by a connecting column; an inclined column is arranged between the arc-shaped end of the lower end of the plate body and the second moving plate.

4. A support structure for a tunnel segment according to claim 3, wherein: The first hydraulic telescopic component includes a mounting frame arranged along the length direction of the inner side of the second arc-shaped support part, a third hydraulic telescopic column is hingedly arranged on the mounting frame, and the side of the third hydraulic telescopic column away from the mounting frame is connected to the plate body arranged adjacent to it.