Self-adaptive sealing shield segment

Abstract

The self-adaptive sealing shield segment comprises a segment body, a cavity is formed in the front side of the segment body, an insertion mechanism is arranged in the cavity and comprises a moving rod, an insertion block, an insertion rod and a compression spring, the top of the moving rod penetrates through the cavity and extends to the top of the segment body, and the insertion block is arranged in the cavity. The bottom of the moving rod penetrates into the cavity, the top of the inserting block is fixedly connected to the bottom of the moving rod, the right side of the inserting rod is fixedly connected to the left side of the inserting block, the right side of the compression spring is fixedly connected to the left side of the inserting rod, and the left side of the compression spring is fixedly connected to the inner side of the cavity. When the segment bodies are inserted through the inserting mechanisms, the moving rods drive the inserting blocks to move, the inserting blocks are inserted into the inserting grooves, the connecting stability between the segment bodies is improved, gaps between the segment bodies are reduced, and the inserting blocks move according to the moving tracks provided by the sliding grooves by arranging the sliding grooves.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of self-adapting sealing shield segment, belong to shield segment technical field. BACKGROUND

[0002] Shield segment is the main assembly component of shield construction, is the innermost layer barrier of tunnel, resists the action of soil layer pressure, underground water pressure and some special load.

[0003] However, shield segment is used in tunnel at present, quantity is usually huge, shield segment is fixed by fixed bolt, since it is only fixed by bolt, bolt connection is loose when soil is loose, to reduce the sealing property between shield segment.

[0004] Therefore, a kind of self-adapting sealing shield segment is presented. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a kind of self-adapting sealing shield segment to solve or alleviate the technical problems in the prior art, at least provide a kind of beneficial choice.

[0006] The technical scheme of the utility model is realized as follows: a kind of self-adapting sealing shield segment, including segment body, the front side of the segment body is equipped with cavity, the inside of the cavity is provided with plug-in mechanism, the plug-in mechanism includes moving rod, plug block, plug rod and compression spring, the top of the moving rod extends to the top of segment body through cavity, the bottom of the moving rod is penetrated to the inside of cavity, the top of the plug block is fixedly connected to the bottom of moving rod, the right side of the plug rod is fixedly connected to the left side of plug block, the right side of the compression spring is fixedly connected to the left side of plug rod, the left side of the compression spring is fixedly connected to the inside of cavity, the inside of the plug block is penetrated to the outside of cavity.

[0007] Further preferably, the bottom of the cavity is equipped with limiting slot, the bottom of the plug block is movably connected to the inside of limiting slot.

[0008] Further preferably, the rear side of the segment body is fixedly connected with plug-in block, the inside of the plug-in block is equipped with plug-in slot.

[0009] Further preferably, the diameter of the plug block is equal to the diameter of the plug-in slot, the inside of the plug-in block is movably connected to the inside of the plug-in slot.

[0010] Further preferably, the plug-in mechanism is provided with two, two The plug-in mechanism is respectively arranged on the left and right sides of the front side of segment body.

[0011] The utility model embodiment has the following advantages because of adopting the above technical scheme:

[0012] The utility model discloses a plug -in mechanism is moved to the inside of the plug -in groove through the plug -in mechanism, and the moving rod drives the plug -in block to move when the segment body is plugged in, the connection stability between the segment body and the segment body is increased, the gap between the segment body is reduced, the plug -in block is moved according to the moving track provided by the sliding groove through the setting sliding groove.

[0013] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, embodiments and features of the application will be apparent from a consideration of the drawings and following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is a schematic diagram of the three-dimensional front view structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the segment body cross-sectional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the segment body structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the segment body view structure of the utility model.

[0019] Reference signs: 1, segment body; 2, cavity; 3, plug -in mechanism; 301, moving rod; 302, plug -in block; 303, plug -in rod; 304, compression spring; 4, limit groove; 5, plug -in block; 6, plug -in groove. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are simply described. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0021] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0022] Embodiment 1

[0023] AsFigures 1-4 The utility model discloses an adaptive sealing shield segment, including segment body 1, the front side of segment body 1 is provided with cavity 2, the inside of cavity 2 is provided with the plug -in mechanism 3, the plug -in mechanism 3 includes moving rod 301, plug -in block 302, plug -in rod 303 and compression spring 304, the top of moving rod 301 extends to the top of segment body 1 through cavity 2, the bottom of moving rod 301 is passed to the inside of cavity 2, the top of plug -in block 302 is fixedly connected to the bottom of moving rod 301, the right side of plug -in rod 303 is fixedly connected to the left side of plug -in block 302, the right side of compression spring 304 is fixedly connected to the left side of plug -in rod 303, the left side of compression spring 304 is fixedly connected the inside of cavity 2, the inside of plug -in block 302 is passed to the outside of cavity 2, the bottom of cavity 2 is provided with limiting slot 4, the bottom of plug -in block 302 is movably connected to the inside of limiting slot 4, the rear side of segment body 1 is fixedly connected with plug -in block 5, the inside of plug -in block 5 is provided with plug -in slot 6, the diameter of plug -in block 302 is equal to the diameter of plug -in slot 6, the inside of plug -in block 5 is movably connected to the inside of plug -in slot 6, the plug -in mechanism 3 is provided with two, and two plug -in mechanisms 3 are arranged respectively on the left and right sides of the front side of segment body 1.

[0024] Through the plug -in mechanism 3, when the segment body 1 is inserted, moving rod 301 drives plug -in block 302 to move, makes plug -in block 302 insert the inside of plug -in slot 6, increases the connecting stability between segment body 1 and segment body 1, reduces the gap between segment body 1, by setting sliding groove, makes plug -in block 302 move according to the moving track provided by sliding groove.

[0025] The utility model discloses when working: the moving rod 301 is pulled to the outside simultaneously, and the moving rod 301 drives plug -in block 302 to move to the outside according to the moving track provided by limiting slot 4 simultaneously, and plug -in block 302 is compressed to spring 304 while moving to the outside, so that plug -in block 302 moves to the inside of cavity 2, at this moment, segment body 1 can be assembled, and the moving rod 301 is released after splicing is finished, and the resilience of spring 304 makes plug -in block 302 insert the inside of plug -in slot 6, increases the connection sealing property between segment body 1.

[0026] The above-mentioned is only the specific implementation way of the utility model, but the protection scope of the utility model does not limit to this, and anyone skilled in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be accurate to the protection scope of the claim.

Claims

1. An adaptive sealing shield segment comprising a segment body (1), characterized in that: The front side of the pipe piece body (1) is provided with a cavity (2), the inside of the cavity (2) is provided with a plug-in mechanism (3), the plug-in mechanism (3) comprises a moving rod (301), an insertion block (302), an insertion rod (303) and a compression spring (304), the top of the moving rod (301) extends through the cavity (2) to the top of the pipe piece body (1), the bottom of the moving rod (301) penetrates to the inside of the cavity (2), the top of the insertion block (302) is fixedly connected to the bottom of the moving rod (301), the right side of the insertion rod (303) is fixedly connected to the left side of the insertion block (302), the right side of the compression spring (304) is fixedly connected to the left side of the insertion rod (303), the left side of the compression spring (304) is fixedly connected to the inside of the cavity (2), the inside of the insertion block (302) penetrates to the outside of the cavity (2).

2. A self-adapting sealing shield segment according to claim 1, characterized in that: The bottom of the cavity (2) is provided with a limiting groove (4), and the bottom of the insertion block (302) is movably connected to the inside of the limiting groove (4).

3. The self-adapting sealing shield segment according to claim 1, wherein: The rear side of the pipe piece body (1) is fixedly connected with a plug-in block (5), and the inside of the plug-in block (5) is provided with a plug-in groove (6).

4. A self-adapting sealing shield segment according to claim 3, characterized in that: The diameter of the insertion block (302) is equal to the diameter of the plug-in groove (6), and the inside of the plug-in block (5) is movably connected to the inside of the plug-in groove (6).

5. The self-adapting sealing shield segment according to claim 1, wherein: The plug-in mechanism (3) is provided with two, and the two plug-in mechanisms (3) are respectively arranged on the left and right sides of the front side of the pipe piece body (1).

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