Shield tunnel reinforcing and supporting device

Abstract

The utility model discloses a shield tunnel reinforcing and supporting device, and relates to the technical field of tunnel reinforcing. The device comprises a plurality of lining plates, an arc-shaped plate is clamped and matched between every two adjacent lining plates, a guide column is fixedly matched with the inner side wall of each arc-shaped plate, a guide rod is elastically and slidably matched with one end of each guide column, and two balls are movably matched with one end of each guide column. Positioning columns are fixedly matched with the outer side walls of the balls, a threaded rod is in threaded fit between every two adjacent positioning columns, and the directions of threads on the two sides of each threaded rod are opposite. Through the arrangement of the guide columns, the guide columns can conveniently drive the arc-shaped plate to slide towards the lining plate under the action of the threaded rods, and the lining plate is positioned on the inner side wall of a tunnel through one side of the arc-shaped plate, so that tunnels of different sizes are supported through the lining plate; and the tunnel supporting process is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of tunnel reinforcement, concretely relates to a shield tunnel reinforcement support device. BACKGROUND

[0002] When there are more shield tunnel process wells in the shield construction process, or when the shield tunnel is constructed first and the foundation pit is constructed last, how to economically and reasonably support and reinforce the shield segment tunnel to ensure the safety and stability of the foundation pit excavation process is particularly important.

[0003] The patent application with the publication number CN217107027U discloses a shield tunnel reinforcement support device, and the specification paragraph 0072 discloses that the reinforcement support device is arranged in the shield tunnel and cooperates with the shield lining to support and reinforce the shield tunnel. The reinforcement support device comprises a horizontal support structure and a vertical support structure. The horizontal support structure is horizontally connected to the shield lining to achieve horizontal reinforcement and support of the shield tunnel. The vertical support structure is vertically connected to the shield lining to achieve vertical reinforcement and support of the shield tunnel.

[0004] However, in actual use, the shield lining plate needs to be supported by the vertical support structure and the horizontal support structure. The length of the vertical support structure and the horizontal support structure cannot be adjusted, and the length of the vertical support structure and the horizontal support structure is adjusted according to the size of the shield tunnel, which reduces the practicability of the vertical support structure and the horizontal support structure in use.

[0005] Therefore, a shield tunnel reinforcement support device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a shield tunnel reinforcement support device.

[0007] To solve the above technical problems, the basic idea of the technical solution of the utility model is as follows:

[0008] A shield tunnel reinforcement support device comprises a plurality of lining plates, an arc-shaped plate is connected between adjacent two lining plates, an inner side wall of the arc-shaped plate is fixedly connected with a guide column, one end of the guide column is elastically and slidingly connected with a guide rod, one end of the guide column is movably connected with two spheres, an outer side wall of the sphere is fixedly connected with a positioning column, a threaded rod is threadedly connected between adjacent two positioning columns, and the threaded rods on both sides have opposite screw directions.

[0009] A fixed plate is located inside the arc-shaped plate, and one end of the guide rod is fixedly connected to one side of the fixed plate.

[0010] Optionally, the inner side wall of both ends of the lining plate is provided with a placing groove, and one end of the arc-shaped plate is located in the interior of the placing groove.

[0011] Optionally, one end of the guide column is provided with a guide hole, and one end of the guide rod is located in the interior of the guide hole.

[0012] Optionally, a spring is fixedly connected between one end of the guide column and one side of the fixed plate, and the spring is sleeved on the circumferential side of the guide rod.

[0013] Optionally, two fixed blocks are fixedly connected to one end of the guide column, and the side of the fixed block is provided with a groove, and the ball is located in the interior of the groove.

[0014] Optionally, one end of the positioning column is provided with a threaded hole, and one end of the threaded rod is threadedly connected in the interior of the threaded hole.

[0015] Optionally, a rubber pad is fixedly connected to the middle circumferential side of the threaded rod.

[0016] Optionally, a plurality of rubber protrusions are fixedly connected to the outer side wall of the guide column.

[0017] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art. Of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:

[0018] The guide column is arranged, which facilitates the guide column to drive the arc-shaped plate to slide towards the lining plate under the action of the threaded rod, and positions the lining plate on the inner side wall of the tunnel through one side of the arc-shaped plate, so as to support the tunnel of different sizes through the lining plate, and makes the tunnel supporting process more convenient.

[0019] The guide hole is arranged, which facilitates the guide column to slide on the circumferential side of the guide rod through the guide hole, and guides the sliding direction of the guide column through the guide hole, reduces the problem of inclination of the guide column when sliding, and improves the stability of the guide column when sliding.

[0020] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings. In the drawings,

[0022] In the drawings:

[0023] Figure 1 The three-dimensional structure of an embodiment of the present application is shownFigure 1 ;

[0024] Figure 2 For the three-dimensional structure of an embodiment of the present utility model Figure 2 ;

[0025] Figure 3 For the arc-shaped plate structure diagram of an embodiment of the present utility model

[0026] Figure 4 For the guide column structure diagram of an embodiment of the present utility model.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] Lining plate 100, placement groove 101, arc-shaped plate 200, guide column 201, guide hole 202, guide rod 203, spring 204, fixed block 205, recess 206, ball 207, fixed plate 208, positioning column 209, threaded hole 210, threaded rod 211, rubber pad 212.

[0029] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0030] The present utility model will now be further described in detail in conjunction with the drawings.

[0031] Please refer to Figures 1-4 It is shown that in the present embodiment, a shield tunnel reinforcing and supporting device is provided, comprising a plurality of lining plates 100, an arc-shaped plate 200 is clamped and matched between two adjacent lining plates 100, an inner side wall of the arc-shaped plate 200 is fixedly matched with a guide column 201, one end of the guide column 201 is elastically and slidingly matched with a guide rod 203, one end of the guide column 201 is movably matched with two balls 207, an outer side wall of the ball 207 is fixedly matched with a positioning column 209, a threaded rod 211 is threadedly matched between two adjacent positioning columns 209, and the threaded directions of the threaded rod 211 on both sides are opposite.

[0032] The fixed plate 208 is located inside the arc-shaped plate 200, and one end of the guide rod 203 is fixedly matched on one side of the fixed plate 208.

[0033] Working principle:

[0034] First, the lining plate 100 is placed on the inner side wall of the tunnel, and then the threaded rod 211 is rotated, the threaded rod 211 drives the two positioning columns 209 to slide, because the screw threads on both sides of the threaded rod 211 are opposite, so the two positioning columns 209 move away from each other, the positioning column 209 drives the guide column 201 to slide, the guide column 201 drives the arc-shaped plate 200 to slide towards the lining plate 100, and the arc-shaped plate 200 positions the lining plate 100 on the inner side wall of the tunnel.

[0035] The guide column 201 is provided, which facilitates the guide column 201 to drive the arc-shaped plate 200 to slide towards the lining plate 100 under the action of the threaded rod 211, and positions the lining plate 100 on the inner side wall of the tunnel through one side of the arc-shaped plate 200, so that different sizes of tunnels can be supported by the lining plate 100, and the tunnel supporting process is more convenient.

[0036] In order to make the guide column 201 of the embodiment slide more stably on one side of the guide rod 203, the following structure is used for improvement, as shown in the drawings, Figures 1-4 The two ends of the lining plate 100 are provided with a placing groove 101 on the inner side wall, one end of the arc-shaped plate 200 is located in the placing groove 101, one end of the guide column 201 is provided with a guide hole 202, one end of the guide rod 203 is located in the guide hole 202, the spring 204 is fixedly connected between one end of the guide column 201 and one side of the fixed plate 208, the spring 204 is sleeved on the circumferential side of the guide rod 203, the two fixed blocks 205 are fixedly connected to one end of the guide column 201, the recess 206 is formed in one side of the fixed block 205, the ball 207 is located in the recess 206, the threaded hole 210 is formed in one end of the positioning column 209, the threaded rod 211 is threadedly connected to one end of the threaded hole 210, the rubber pad 212 is fixedly connected to the middle circumferential side of the threaded rod 211, and the plurality of rubber protrusions are fixedly connected to the outer side wall of the guide column 201.

[0037] In use, first, the rubber pad 212 is rotated, the rubber pad 212 drives the threaded rod 211 to rotate, the threaded rod 211 drives the positioning column 209 to move through the threaded hole 210, the positioning column 209 drives the fixed block 205 to slide through the ball 207, the fixed block 205 drives the guide column 201 to slide, the guide column 201 drives the arc-shaped plate 200 to position the lining plate 100 on the inner side wall of the tunnel through the guide hole 202.

[0038] The guide hole 202 is provided, which facilitates the guide column 201 to slide on the circumferential side of the guide rod 203 through the guide hole 202, and guides the sliding direction of the guide column 201 through the guide hole 202, reduces the problem of inclination of the guide column 201 during sliding, and improves the stability of the guide column 201 during sliding.

[0039] The utility model is not limited to the above-mentioned embodiment, any person should know the structure change made under the enlightenment of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model. The utility model is not described in detail the technology, shape, structure part is the known technology.

Claims

1. A shield tunnel reinforcement support device, characterized by, Include: A plurality of lining plates (100), two adjacent lining plates (100) are clamped and matched with arc-shaped plates (200), the inner side wall of the arc-shaped plate (200) is fixedly matched with a guide column (201), one end of the guide column (201) is elastically and slidingly matched with a guide rod (203), one end of the guide column (201) is movably matched with two spheres (207), the outer side wall of the sphere (207) is fixedly matched with a positioning column (209), two adjacent positioning columns (209) are threadedly matched with a threaded rod (211), and the threaded rod (211) is opposite on both sides. The fixed plate (208) is located inside the arc-shaped plate (200), and one end of the guide rod (203) is fixedly matched on one side of the fixed plate (208).

2. The shield tunnel reinforcing and supporting device according to claim 1, characterized in that, The inner side wall of both ends of the lining plate (100) is provided with a placing groove (101), and one end of the arc-shaped plate (200) is located inside the placing groove (101).

3. The shield tunnel reinforcing and supporting device according to claim 1, characterized in that, One end of the guide column (201) is provided with a guide hole (202), and one end of the guide rod (203) is located inside the guide hole (202).

4. The shield tunnel reinforcing and supporting device according to claim 1, characterized in that, The spring (204) is fixedly matched between one end of the guide column (201) and one side of the fixed plate (208), and the spring (204) is sleeved on the side of the guide rod (203).

5. The shield tunnel reinforcing and supporting device according to claim 1, characterized in that, One end of the guide column (201) is fixedly matched with two fixed blocks (205), one side of the fixed block (205) is provided with a groove (206), and the sphere (207) is located inside the groove (206).

6. The shield tunnel reinforcing and supporting device according to claim 1, characterized in that, One end of the positioning column (209) is provided with a threaded hole (210), and one end of the threaded rod (211) is threadedly matched inside the threaded hole (210).

7. The shield tunnel reinforcing and supporting device according to claim 1, characterized in that, The rubber pad (212) is fixedly matched on the middle side of the threaded rod (211).

8. The shield tunnel reinforcing and supporting device according to claim 1, characterized in that, The outer side wall of the guide column (201) is fixedly matched with a plurality of rubber protrusions.

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