Combined walkway plate supporting device for tunnel construction

Abstract

The utility model discloses a combined type walkway plate supporting device for tunnel construction. The combined type walkway plate supporting device comprises a supporting rod and a fixing plate. The four supporting rods are longitudinally distributed, sleeves are installed on the outer arc surfaces of the supporting rods through first bolts, aisle supporting plates are arranged on the outer arc surfaces of the sleeves, and inclined supporting plates are arranged between the lower surfaces of the aisle supporting plates and the outer arc surfaces of the sleeves; the fixed plate is located on the left side of the walkway supporting plate, supporting plates are arranged on the front surface of the fixed plate, the supporting plates correspond to the walkway supporting plates in a one-to-one mode, and the supporting plates are attached to the lower surfaces of the walkway supporting plates. The supporting device can be detached into small parts, the occupied space of the walkway plate supporting device in the transportation process is reduced, and the walkway plate supporting device can be conveniently transferred into a narrow tunnel space.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a combined walkway plate supporting device used for tunnel construction. Background Art

[0002] Tunnel construction refers to the construction of tunnels underground, underwater or in mountains for the passage of motor vehicles. Tunnel construction usually includes multiple stages, such as planning, surveying, design, construction, etc. According to the location and purpose of the tunnel, it can be divided into three categories: mountain tunnels, underwater tunnels and urban tunnels. The tunnel construction process includes methods and processes such as excavation, support, and lining, and it is necessary to strictly abide by relevant specifications and safety regulations. During the construction process, in order to facilitate the movement of construction personnel inside the tunnel, it is often necessary to lay walkway boards inside the tunnel to provide temporary roads and platforms for the movement of construction personnel; in the prior art, when laying the walkway board, it is first necessary to complete the installation of the walkway board support device, fix the support device inside the tunnel through bolts and other connecting parts, and then lay the walkway board on the surface of the support device to ensure normal passage in the construction area, but some walkway board support devices occupy a large space. Even if some support devices can be disassembled, the space occupied by some parts is still large, which makes it inconvenient for the walkway board support device to enter the tunnel. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a combined walkway plate support device for tunnel construction. The walkway plate support device is installed in a combined manner, and the support device can be disassembled into smaller parts, thereby reducing the space occupied by the walkway plate support device during transportation, making it convenient to transport the walkway plate support device to a narrow tunnel space, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined walkway plate support device for tunnel construction, comprising a support rod and a fixing plate;

[0005] Support rods: There are four of them and they are distributed longitudinally. The outer arc surfaces of the support rods are all installed with sleeves through bolts. The outer arc surfaces of the sleeves are all provided with walkway support plates. The lower surface of the walkway support plates and the outer arc surfaces of the sleeves are all provided with diagonal support plates.

[0006] Fixed plate: It is located on the left side of the walkway support plate. A support plate is provided on the front surface of the fixed plate. The support plate corresponds to the walkway support plate one by one. The support plate fits the lower surface of the walkway support plate. The walkway plate support device is installed in a combined manner. The support device can be disassembled into smaller parts to reduce the space occupied by the walkway plate support device during transportation, making it convenient to transport the walkway plate support device to a narrow tunnel space.

[0007] Furthermore, a tee pipe is installed on the upper end of the support rod through bolt 2, and a guardrail pipe is inserted between two adjacent tee pipes to provide protection for the right side of the walkway board.

[0008] Furthermore, the lower ends of the support rods are all installed with upper rings through bolts three, the outer arc surfaces of the upper rings are respectively provided with support plates, and lower rings are provided between the lower ends of the support plates located on the same upper ring, so that the placement of the support rods is more stable.

[0009] Furthermore, the inner arc surface of the lower circular ring is respectively provided with a mounting plate to fix the position of the lower circular ring.

[0010] Furthermore, the upper ends of the support rods are provided with limiting grooves 1, and the ends of the guardrail pipes are provided with limiting grooves 2, so that the support rods are used to limit the guardrail pipes from leaving the interior of the tee pipe.

[0011] Furthermore, positioning rings are respectively provided at the lower ends of the outer arc surfaces of the support rods. The upper positioning ring is installed in cooperation with the sleeve, and the lower positioning ring is installed in cooperation with the upper circular ring, so as to facilitate determination of the installation positions of the sleeve and the upper circular ring.

[0012] Furthermore, retaining rings are provided at both the front and rear ends of the outer arc surface of the guardrail pipe to determine the depth of the guardrail pipe inserted into the interior of the tee pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the combined walkway plate support device for tunnel construction has the following advantages:

[0014] During the tunnel construction process, the fixing plate is fixed to the tunnel side wall by screws, the support plate is used to provide support for the left end of the walkway support plate, the mounting plate is fixed to the tunnel bottom wall by screws, the upper ring is connected to the support rod by bolt three, and the support rod is kept in a stable vertical state under the support of the upper ring, the support plate and the lower ring, the casing is connected to the support rod by bolt one to provide support for the right end of the walkway support plate, and the longitudinally distributed walkway support plates provide support for the laying of the walkway plate, and then the end of the guardrail pipe is inserted into the horizontal pipe body of the tee pipe, the upper end of the support rod is inserted into the vertical pipe of the tee pipe, the tee pipe is connected to the support rod by bolt two, and the cooperation of the guardrail pipe and the support rod is used to provide protection for the right side of the walkway support plate. The walkway plate support device is installed in a combined manner, and the support device can be disassembled into smaller parts to reduce the space occupied by the walkway plate support device during transportation, so as to facilitate the transportation of the walkway plate support device to a narrow tunnel space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2It is a schematic diagram of the structure of a partial explosion of the overall device of the utility model;

[0017] Figure 3 This is an enlarged structural diagram of the utility model at A;

[0018] Figure 4 It is a schematic diagram of the enlarged structure of point B of the utility model.

[0019] In the figure: 1 support rod, 2 sleeve, 3 walkway support plate, 4 diagonal support plate, 5 fixed plate, 6 support plate, 7 tee pipe, 8 guardrail pipe, 9 positioning ring, 10 upper ring, 11 support plate, 12 lower ring, 13 mounting plate, 14 limit groove one, 15 limit groove two, 16 retaining ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 ,This embodiment provides a technical solution: a combined walkway plate support device for tunnel construction, comprising a support rod 1 and a fixing plate 5;

[0022] The support rods 1 are four in number and are longitudinally distributed. The outer arc surfaces of the support rods 1 are all installed with sleeves 2 through bolts 1. The outer arc surfaces of the sleeves 2 are all provided with walkway support plates 3. The walkway support plates 3 distributed longitudinally provide support for the laying of the walkway plates. An inclined support plate 4 is provided between the lower surface of the walkway support plate 3 and the outer arc surface of the sleeve 2 to improve the supporting strength of the walkway support plate 3. The upper ends of the support rods 1 are all installed with three-way pipes 7 through bolts 2. A guardrail pipe 8 is inserted between two adjacent three-way pipes 7. The cooperation of the guardrail pipe 8 and the support rods 1 provides protection for the right side of the walkway support plate 3. The lower ends of the support rods 1 are all installed with upper circular rings 10 through bolts 3. The outer arc surfaces of the upper circular rings 10 are respectively provided with support plates 11. Lower circular rings 12 are provided between the lower ends of the support plates 11 located on the same upper circular ring 10. Under the cooperative support of the upper circular ring 10, the support plate 11 and the lower circular ring 12, the overall device is increased in contact with the ground. The contact area makes the support rod 1 maintain a stable vertical state. The inner arc surface of the lower circular ring 12 is respectively provided with a mounting plate 13 to fix the position of the lower circular ring 12. The upper end of the support rod 1 is provided with a limiting groove 14, and the end of the guardrail tube 8 is provided with a limiting groove 2 15. When the guardrail tube 8 and the support rod 1 are inserted into the interior of the tee tube 7, the end of the guardrail tube 8 is located inside the limiting groove 14, and the end of the support rod 1 is located inside the limiting groove 2 15, which limits the guardrail tube 8 from leaving the interior of the tee tube 7. The lower end of the outer arc surface of the support rod 1 is respectively provided with a positioning ring 9, the upper positioning ring 9 is installed in cooperation with the sleeve 2, and the lower positioning ring 9 is installed in cooperation with the upper circular ring 10, which is convenient for determining the positions of the sleeve 2 and the upper circular ring 10 on the outer arc surface of the support rod 1, speeding up the assembly speed, and the outer arc surface of the guardrail tube 8 is provided with a retaining ring 16 at both ends to determine the depth of the guardrail tube 8 inserted into the interior of the tee tube 7;

[0023] Fixed plate 5: It is located on the left side of the walkway support plate 3. The front surface of the fixed plate 5 is provided with a support plate 6. The support plate 6 corresponds to the walkway support plate 3 one by one. The support plate 6 is fitted with the lower surface of the walkway support plate 3. The fixed plate 5 is fixed to the side wall of the tunnel by screws, and the support plate 6 is used to provide support for the left end of the walkway support plate 3.

[0024] The working principle of the combined walkway plate support device for tunnel construction provided by the utility model is as follows: during the tunnel construction process, the fixing plate 5 is fixed to the tunnel side wall by screws, the support plate 6 is used to provide support for the left end of the walkway support plate 3, and then the mounting plate 13 is fixed to the tunnel bottom wall by screws, and the upper ring 10 is connected to the support rod 1 by bolt three. Under the support of the upper ring 10, the support plate 11 and the lower ring 12, the contact area between the overall device and the ground is increased, so that the support rod 1 maintains a stable vertical state, and the sleeve 2 is connected to the support rod 1 by bolt one to provide support for the right end of the walkway support plate 3. Support, provide support for the laying of the walkway board through the longitudinally distributed walkway support plate 3, then insert the end of the guardrail tube 8 into the horizontal tube body of the tee tube 7, use the retaining ring 16 to determine the insertion depth of the guardrail tube 8, and then insert the upper end of the support rod 1 into the vertical tube of the tee tube 7, the end of the guardrail tube 8 is located inside the limiting groove 14, and the end of the support rod 1 is located inside the limiting groove 2 15, limiting the guardrail tube 8 from leaving the tee tube 7, and then connect the tee tube 7 to the support rod 1 through bolt 2, use the cooperation of the guardrail tube 8 and the support rod 1 to provide protection for the right side of the walkway support plate 3, and complete the assembly of the walkway plate support device.

[0025] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A combined walkway slab support device for tunnel construction, characterized in that: It comprises a support rod (1) and a fixing plate (5); Support rods (1): There are four support rods (1) and they are distributed longitudinally. The outer arc surface of each support rod (1) is mounted with a sleeve (2) by means of a bolt. The outer arc surface of each sleeve (2) is provided with a walkway support plate (3). An inclined support plate (4) is provided between the lower surface of the walkway support plate (3) and the outer arc surface of the sleeve (2). Fixed plate (5): located on the left side of the walkway support plate (3), the front surface of the fixed plate (5) is provided with a support plate (6), the support plate (6) corresponds to the walkway support plate (3) one by one, and the support plate (6) is in contact with the lower surface of the walkway support plate (3).

2. The combined walkway slab support device for tunnel construction according to claim 1, characterized in that: The upper ends of the support rods (1) are each mounted with a three-way pipe (7) via two bolts, and a guardrail pipe (8) is inserted between two adjacent three-way pipes (7).

3. The combined walkway slab support device for tunnel construction according to claim 1, characterized in that: The lower ends of the support rods (1) are all mounted with upper circular rings (10) via three bolts, and the outer arc surfaces of the upper circular rings (10) are respectively provided with support plates (11), and lower circular rings (12) are respectively provided between the lower ends of the support plates (11) located on the same upper circular ring (10).

4. The combined walkway slab support device for tunnel construction according to claim 3, characterized in that: The inner arc surfaces of the lower circular rings (12) are respectively provided with mounting plates (13).

5. The combined walkway slab support device for tunnel construction according to claim 2, characterized in that: The upper ends of the support rods (1) are each provided with a first limiting groove (14), and the ends of the guardrail tubes (8) are each provided with a second limiting groove (15).

6. The combined walkway slab support device for tunnel construction according to claim 3, characterized in that: The lower ends of the outer arc surfaces of the support rods (1) are respectively provided with positioning rings (9); the upper positioning ring (9) is mounted in cooperation with the sleeve (2), and the lower positioning ring (9) is mounted in cooperation with the upper circular ring (10).

7. The combined walkway slab support device for tunnel construction according to claim 2, characterized in that: The guardrail tube (8) is provided with retaining rings (16) at both the front and rear ends of the outer arc surface.

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