Supporting device for shield underneath crossing railway construction

Abstract

The utility model provides a supporting device for construction of a shield under a railway, belongs to the technical field of tunnel construction, and aims at solving the problems that an existing tunnel supporting frame is tedious to mount and dismount, too many supporting rods exist, and construction is inconvenient. Comprising an outer support ring; the rotation control mechanism is rotationally installed on the inner side of the outer supporting ring. The power connecting assembly is installed on the inner side of the outer supporting ring and connected with the rotation control mechanism. The sliding supporting mechanism is connected with the outer supporting ring. The supporting control mechanism is connected with the rotation control mechanism and the sliding supporting mechanism. The inner top plate contracts and is convenient to move, and the top plate extends and is convenient to carry out auxiliary supporting on a tunnel hole; the multiple sets of top plates can slide, dismounting and mounting of the device are rapidly completed, dismounting and mounting are easy and convenient, the number of supporting rods is small, and construction is convenient.

Description

Technical Field

[0001] This utility model belongs to the field of tunnel construction technology, and more specifically, it relates to a support device for shield tunneling under railway construction. Background Technology

[0002] The shield tunneling method has been widely used globally, especially in urban subway, railway, and highway tunnel projects. It is an advanced, efficient, and safe tunnel construction method with broad application prospects. During tunnel construction, in order to prevent tunnel collapse, support frames are needed to support the tunnel. Existing tunnel support frames are all supported on the tunnel by support rods. This method is labor-intensive, inefficient, and cumbersome to install and dismantle. Too many support rods also make construction inconvenient. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a support device for shield tunneling under railway construction, which solves the problems mentioned in the background art that existing tunnel support frames are supported on the tunnel by support rods. This method is labor-intensive, inefficient, cumbersome to install and dismantle, and has too many support rods, making construction inconvenient.

[0004] This utility model discloses a support device for tunnel boring machine (TBM) construction under railway lines, achieved through the following specific technical means:

[0005] A support device for tunnel boring machine (TBM) construction under railway includes: an outer support ring, a rotation control mechanism, a power connection assembly, a sliding support mechanism, and a lifting control mechanism. The outer support ring is generally circular, with a circular groove on its inner side. The rotation control mechanism is rotatably mounted on the inner side of the outer support ring. The power connection assembly is mounted on the inner side of the outer support ring and connected to the rotation control mechanism. The sliding support mechanism is connected to the outer support ring. The lifting control mechanism is connected to the rotation control mechanism and the sliding support mechanism. The sliding support mechanism includes: a rotating rod and a threaded push rod. A threaded hole is provided in the middle of the rotating rod, and the rotating rod is rotatably connected to the outer support ring. A gear is fixedly mounted on the surface of the rotating rod. One end of the threaded push rod is rotatably inserted into the threaded hole of the rotating rod, and the rotation of the rotating rod controls the sliding of the threaded push rod.

[0006] In at least some embodiments, the rotation control mechanism includes: a rotating support ring, a support ring, and a toothed ring; the rotating support ring is rotatably installed inside the outer support ring groove; the support ring is fixedly connected to the rotating support ring, and the support ring is rotatably connected to the outer support ring through the rotating support ring; the toothed ring is fixedly installed on the surface of the support ring.

[0007] In at least some embodiments, the power connection assembly includes: a support plate A and a drive rod A; one side of the support plate A is fixedly connected to an outer support ring; a square groove is provided on one side of the drive rod A, and a gear fixedly disposed on the surface of the drive rod A meshes with a gear ring.

[0008] In at least some embodiments, the sliding support mechanism further includes: a limiting rod and a top plate; one end of the limiting rod slides through the outer support ring; the top plate has an arc-shaped structure, and the inner side of the top plate is fixedly connected to the limiting rod and the threaded push rod. The limiting rod can be expected to help limit the rotational offset of the top plate, and the top plate can play an auxiliary support role.

[0009] In at least some embodiments, the support control mechanism includes: an outer support box, an inner rotating rod, a bevel gear assembly, a drive rod B, and a support plate B; the outer support box is a hollow cuboid structure, fixedly installed inside the outer support ring, and the rotating rod is rotatably connected to the outer support box; the inner rotating rod has a gear on its surface, is rotatably installed inside the outer support box, and the gear on the inner rotating rod meshes with the gear on the rotating rod; the bevel gear assembly is connected to the inner rotating rod; the drive rod B has a gear on its surface, meshes with a gear ring, and the drive rod B is rotatably inserted into the outer support box and rotatably connected to the inner rotating rod through the bevel gear assembly; one side of the support plate B is fixedly connected to the outer support ring, and the support plate B is rotatably connected to the drive rod B.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] This utility model is equipped with a sliding support mechanism, which is set to multiple sets. These multiple sets of sliding support mechanisms are evenly arranged on the surface of the outer support ring. When the top plate retracts, it facilitates the movement of the entire device. When the top plate extends, it contacts the tunnel wall, which facilitates auxiliary support for the tunnel. The device is also equipped with a rotation control mechanism, which can control the simultaneous sliding of multiple sets of top plates, so as to quickly complete the assembly and disassembly of the device. The assembly and disassembly are simple and convenient, efficient, and require fewer support rods, which is convenient for construction. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main body axial side view of this utility model.

[0013] Figure 2 This is the utility model Figure 1 A partial enlarged structural diagram of A.

[0014] Figure 3 This is a schematic diagram of the cross-sectional structure of the outer support ring of this utility model.

[0015] Figure 4 This is a bottom view schematic diagram of the sliding support mechanism of this utility model.

[0016] Figure 5This is a cross-sectional structural diagram of the support control mechanism of this utility model.

[0017] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0018] 1. Outer support ring; 2. Rotation control mechanism; 201. Rotating support ring; 202. Support ring; 203. Gear ring; 3. Power connection assembly; 301. Support plate A; 302. Drive rod A; 4. Sliding support mechanism; 401. Rotating rod; 402. Threaded push rod; 403. Limiting support rod; 404. Top plate; 5. Support control mechanism; 501. Outer support box; 502. Inner rotating rod; 503. Bevel gear assembly; 504. Drive rod B; 505. Support plate B. Detailed Implementation

[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0020] Example 1:

[0021] As attached Figure 1 To be continued Figure 5 As shown:

[0022] This utility model provides a support device for shield tunneling under railway construction, including: an outer support ring 1, a rotation control mechanism 2, a power connection assembly 3, a sliding support mechanism 4, and a lifting control mechanism 5; the outer support ring 1 is generally circular in shape, and a circular groove is opened on the inner side of the outer support ring 1; the rotation control mechanism 2 is rotatably installed on the inner side of the outer support ring 1; the power connection assembly 3 is installed on the inner side of the outer support ring 1 and connected to the rotation control mechanism 2; the sliding support mechanism 4 is connected to the outer support ring 1; the lifting control mechanism 5 is connected to the rotation control mechanism 2 and the sliding support mechanism 4; the sliding support mechanism 4 includes: a rotating rod 401 and a threaded push rod 402; the rotating rod 401 has a threaded hole in the middle, and the rotating rod 401 is rotatably connected to the outer support ring 1, and a gear is fixedly installed on the surface of the rotating rod 401; one end of the threaded push rod 402 is rotatably inserted into the threaded hole of the rotating rod 401, and the rotation of the rotating rod 401 can control the sliding of the threaded push rod 402.

[0023] like Figure 3 As shown, the rotation control mechanism 2 includes: a rotating support ring 201, a support ring 202, and a toothed ring 203; the rotating support ring 201 is rotatably installed inside the slide groove of the outer support ring 1; the support ring 202 is fixedly connected to the rotating support ring 201, and the support ring 202 is rotatably connected to the outer support ring 1 through the rotating support ring 201; the toothed ring 203 is fixedly installed on the surface of the support ring 202.

[0024] like Figure 2As shown, the power connection assembly 3 includes: a support plate A301 and a drive rod A302; one side of the support plate A301 is fixedly connected to the outer support ring 1; a square groove is provided on one side of the drive rod A302, and a gear fixedly provided on the surface of the drive rod A302 meshes with the gear ring 203.

[0025] like Figure 4 As shown, the sliding support mechanism 4 also includes: a limiting support rod 403 and a top plate 404; one end of the limiting support rod 403 slides through the outer support ring 1; the top plate 404 has an arc-shaped structure, and the inner side of the top plate 404 is fixedly connected to the limiting support rod 403 and the threaded push rod 402. The limiting support rod 403 can help limit the rotational offset of the top plate 404, and the top plate 404 can play an auxiliary support role.

[0026] like Figure 5 As shown, the support control mechanism 5 includes: an outer support box 501, an inner rotating rod 502, a bevel gear assembly 503, a drive rod B504, and a support plate B505; the outer support box 501 is a hollow cuboid structure, and is fixedly installed inside the outer support ring 1, with the rotating rod 401 rotatably connected to the outer support box 501; the inner rotating rod 502 has gears on its surface, and is rotatably installed inside the outer support box 501, with the gears on the surface of the inner rotating rod 502 meshing with the gears on the surface of the rotating rod 401; the bevel gear assembly 503 is connected to the inner rotating rod 502; the drive rod B504 has gears on its surface, and the gears on the surface of the drive rod B504 mesh with the gear ring 203, and the drive rod B504 is rotatably inserted into the outer support box 501 and rotatably connected to the inner rotating rod 502 through the bevel gear assembly 503; the outer support ring 1 is fixedly connected to one side of the support plate B505, and the support plate B505 is rotatably connected to the drive rod B504.

[0027] The specific usage and function of this embodiment are as follows:

[0028] In this invention, during use, the top plate 404 retracts and adheres to the surface of the outer support ring 1, facilitating the movement of the entire device to a suitable position in the tunnel. One end of the motor is inserted into the square groove of the drive rod A302, and the motor controls the drive rod A302. The gear on the surface of the drive rod A302 controls the rotation of the rotating support ring 201 and the support ring 202 through the gear ring 203. Since the gear ring 203 is meshed with the gears on the surfaces of multiple sets of drive rods B504, the drive rod B504 is rotated under force. The drive rod B504 controls the rotation of the inner rotating rod 502 through the bevel gear assembly 503 at one end. The gear on the surface of the inner rotating rod 502 is meshed with the rotating rod 401. The rotating rod 401 rotates and pushes the threaded push rod 402 and the top plate 404 to slide outward. The multiple sets of top plates 404 slide and contact the tunnel wall, forming auxiliary support.

[0029] The following points should be noted in this article:

[0030] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0031] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0032] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A support device for shield tunneling under a railway, comprising: The utility model provides an external support ring (1), rotation control mechanism (2), power connection assembly (3), sliding support mechanism (4) and prop up control mechanism (5), the whole external support ring (1) is annular structure, and the inside of external support ring (1) is provided with annular slide groove, characterized by, rotation control mechanism (2) is rotatably installed in the inside of external support ring (1), power connection assembly (3) is installed in the inside of external support ring (1) and is connected with rotation control mechanism (2), sliding support mechanism (4) is connected with external support ring (1), and prop up control mechanism (5) is connected with rotation control mechanism (2) and sliding support mechanism (4), sliding support mechanism (4) includes: rotary lever (401) and threaded push rod (402), rotary lever (401) is rotatably connected with external support ring (1), and the surface of rotary lever (401) is fixedly provided with gear, one end of threaded push rod (402) is rotatably inserted into the threaded hole inside rotary lever (401).

2. The supporting device for shield tunneling under railway according to claim 1, characterized in that: Rotation control mechanism (2) includes: rotating support ring (201), support ring (202) and gear ring (203), rotating support ring (201) is rotatably installed in the slide groove inside external support ring (1), support ring (202) is fixedly connected with rotating support ring (201), and support ring (202) is rotatably connected with external support ring (1) through rotating support ring (201), gear ring (203) is fixedly installed on the surface of support ring (202).

3. The supporting device for shield tunneling under railway according to claim 2, characterized in that: Power connection assembly (3) includes: support plate A (301) and driving lever A (302), one side of support plate A (301) is fixedly connected with external support ring (1), square recess is formed in one side of driving lever A (302), and the gear fixedly arranged on the surface of driving lever A (302) is meshedly connected with gear ring (203).

4. The supporting device for shield tunneling under railway according to claim 1, characterized in that: Sliding support mechanism (4) further includes: limiting support rod (403) and top plate (404), one end of limiting support rod (403) at the bottom is slidably inserted into external support ring (1), and the inside of top plate (404) is fixedly connected with limiting support rod (403) and threaded push rod (402).

5. The supporting device for shield tunneling under railway according to claim 2, characterized in that: Prop up control mechanism (5) includes: external support box (501), inner rotating lever (502), bevel gear assembly (503), driving lever B (504) and support plate B (505), external support box (501) is fixedly installed on the inside of external support ring (1), and rotary lever (401) is rotatably connected with external support box (501), gear is arranged on the surface of inner rotating lever (502), inner rotating lever (502) is rotatably installed in external support box (501), and the gear on the surface of inner rotating lever (502) is meshedly connected with the gear on the surface of rotary lever (401), bevel gear assembly (503) is connected with inner rotating lever (502), gear is arranged on the surface of driving lever B (504), the gear on the surface of driving lever B (504) is meshedly connected with gear ring (203), driving lever B (504) is rotatably inserted into external support box (501) and is rotatably connected with inner rotating lever (502) through bevel gear assembly (503), one side of support plate B (505) is fixedly connected with external support ring (1), and support plate B (505) is rotatably connected with driving lever B (504).

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