Tunnel construction supporting device

Abstract

The utility model discloses a tunnel construction supporting device, which belongs to the technical field of tunnel construction and comprises a supporting frame body, an upper supporting component is arranged on the top surface of the supporting frame body, and side supporting components are arranged on the left side and the right side of the supporting frame body. The supporting frame body comprises two supporting assemblies which are arranged front and back in parallel, a top connecting beam and a middle connecting beam are arranged between the two supporting assemblies, the upper supporting assembly is arranged on the top face of the top connecting beam, and the side supporting assembly is arranged on one side of the middle connecting beam. By arranging the telescopic beam, the width of the supporting frame body can be conveniently adjusted according to the width of a tunnel arch; and by arranging the supporting leg assemblies, the height of the supporting frame body can be conveniently adjusted according to the height of the tunnel arch, the tunnel supporting frame can be suitable for tunnels of various sizes, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a tunnel construction support device. Background Art

[0002] A tunnel is an engineering structure buried in the ground and is a form of human utilization of underground space. During the construction of a tunnel, it is necessary to erect a casting formwork inside the tunnel and support the formwork with a supporting device to prevent the formwork from deforming. This creates a cavity between the tunnel formwork and the tunnel soil layer, and then pour concrete. After the concrete pouring is completed, the tunnel support is dismantled and removed.

[0003] The existing supporting device is an integrated structure, the internal combination length of which cannot be adjusted and cannot be adjusted according to the size of the arch, and has the characteristics of poor applicability. Utility Model Content

[0004] The purpose of the utility model is to provide a tunnel construction support device to solve the problem that the existing support device is an integrated structure, the internal combination length cannot be adjusted, and it cannot be adjusted according to the size of the tunnel arch, resulting in poor applicability.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The utility model discloses a tunnel construction support device, comprising a support frame body, wherein an upper support assembly is provided on the top surface of the support frame body, and side support assemblies are provided on the left and right sides of the support frame body; the support frame body comprises two support assemblies arranged in parallel front and back, a top connecting beam and a middle connecting beam are provided between the two support assemblies, the upper support assembly is provided on the top surface of the top connecting beam, and the side support assembly is provided on one side of the middle connecting beam.

[0007] Furthermore, the support assembly includes two corner beams arranged side by side on the left and right, a telescopic beam is provided between the two corner beams, a leg assembly is provided below the corner beam, and the top connecting beam is provided between the two corresponding front and rear corner beams.

[0008] Furthermore, the telescopic beam includes a first-level beam, the right end of which is connected to the corner beam located on the right side, a second-level beam is provided on the left side of the first-level beam, the left end of the second-level beam is connected to the corner beam located on the left side, a first hydraulic cylinder is provided on the top surface of the first-level beam, and the piston rod of the first hydraulic cylinder is connected to the second-level beam.

[0009] Furthermore, the leg assembly includes an external leg, the top of the external leg is connected to the corner beam, an internal leg is provided below the external leg, a second hydraulic cylinder is provided inside the external leg, the piston rod of the second hydraulic cylinder is connected to the internal leg, and a moving wheel is provided below the internal leg.

[0010] Furthermore, both ends of the middle connecting beam are respectively connected to the two corresponding front and rear external legs.

[0011] Furthermore, the upper support assembly includes a support column, the support column is connected to the top surface of the top connecting beam, and the top surface of the support column is provided with an upper support plate.

[0012] Furthermore, the side support assembly includes a support rod, which is arranged on the outside of the middle connecting beam, and a side support plate is provided on the piston rod of the support rod.

[0013] Compared with the prior art, the beneficial technical effects of the present invention are:

[0014] The utility model provides a telescopic beam to facilitate the adjustment of the width of the support frame, so that it can be adjusted according to the width of the tunnel arch; by providing a leg assembly, it is convenient to adjust the height of the support frame, so that it can be adjusted according to the height of the tunnel arch, which is suitable for tunnels of various sizes and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 This is a front view of the tunnel construction support device of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the support frame of the utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the leg assembly of the utility model; (partial structure omitted)

[0019] Explanation of the accompanying drawings: 1. Leg assembly; 1-1. External leg; 1-2. Internal leg; 1-3. Second hydraulic cylinder; 1-4. Moving wheel; 2. Corner beam; 3. Telescopic beam; 3-1. Primary beam; 3-2. Secondary beam; 3-3. First hydraulic cylinder; 4. Top connecting beam; 5. Middle connecting beam; 6. Upper support assembly; 6-1. Support column; 6-2. Upper support plate; 7. Side support assembly; 7-1. Support rod; 7-2. Side support plate; 8. Mounting seat; 9. Threaded rod. DETAILED DESCRIPTION

[0020] like Figure 1-3As shown, a tunnel construction support device includes a support frame, two upper support assemblies 6 are installed on the top surface of the support frame, and the two upper support assemblies 6 are symmetrically arranged. Side support assemblies 7 are installed on the left and right sides of the support frame.

[0021] like Figure 2 As shown, the support frame includes two support assemblies arranged in parallel front and back, and the top connecting beam 4 and the middle connecting beam 5 are connected between the two support assemblies. The upper support assembly 6 is installed on the top surface of the top connecting beam 4, and the side support assembly 7 is installed on one side of the middle connecting beam 5.

[0022] The support assembly includes two corner beams 2 arranged side by side on the left and right, a telescopic beam 3 is installed between the two corner beams 2, a leg assembly 1 is installed below the corner beam 2, and the top connecting beam 4 is connected between the two corresponding front and rear corner beams 2; the structure of the support assembly is set to a door shape to facilitate construction operations.

[0023] The telescopic beam 3 includes a primary beam 3-1, the right end of which is connected to the corner beam 2 on the right side, a secondary beam 3-2 is provided on the left side of the primary beam 3-1, the left end of the secondary beam 3-2 is connected to the corner beam 2 on the left side, the right end of the secondary beam 3-2 is inserted into the primary beam 3-1, and a first hydraulic cylinder 3-3 is installed on the top surface of the primary beam 3-1 through a support, and the piston rod of the first hydraulic cylinder 3-3 is connected to the support on the top surface of the secondary beam 3-2.

[0024] When in use, the piston rod of the first hydraulic cylinder 3-3 extends to drive the secondary beam 3-2 to extend from the primary beam 3-1, so that the overall length of the telescopic beam 3 increases and the width of the support frame increases.

[0025] like Figure 3 As shown, the leg assembly 1 includes an external leg 1-1, the top end of the external leg 1-1 is connected to the corner beam 2, an internal leg 1-2 is arranged below the external leg 1-1, the top end of the internal leg 1-2 is inserted into the interior of the external leg 1-1, a second hydraulic cylinder 1-3 is installed inside the external leg 1-1, the piston rod of the second hydraulic cylinder 1-3 is connected to the bottom plate of the internal leg 1-2, and a moving wheel 1-4 is installed below the internal leg 1-2. By setting the moving wheel 1-4, the device can be easily moved and transported.

[0026] When in use, the piston rod of the second hydraulic cylinder 1-3 extends, driving the inner leg 1-2 to extend from the outer leg 1-1, thereby increasing the overall height of the leg assembly 1 and further increasing the height of the support frame.

[0027] Both ends of the middle connecting beam 5 are respectively connected to the two corresponding front and rear outer legs 1 - 1 .

[0028] The upper support assembly 6 includes a support column 6-1, which is connected to the top surface of the top connecting beam 4. The top surface of the support column 6-1 is connected to an upper support plate 6-2, and the upper support plate 6-2 is configured to be arc-shaped; in another embodiment, the support column 6-1 can also use a hydraulic cylinder, which can be used to fine-tune the height of the support column 6-1 and adjust the fit to avoid the occurrence of support hanging points, thereby improving the safety of tunnel construction and making it more flexible to use; the top surface of the upper support plate 6-2 is connected to a wear-resistant layer, which can increase friction and help improve the stability of the upper support plate support.

[0029] The side support assembly 7 includes a support rod 7-1, which is installed on the outside of the middle connecting beam 5. The piston rod of the support rod 7-1 is connected to a side support plate 7-2. In another embodiment, the support rod 7-1 can adopt a hydraulic cylinder, and the hydraulic cylinder is used to fine-tune the position of the side support plate 7-2 to adjust the fit and avoid the occurrence of support hanging points, thereby improving the safety of tunnel construction and making it more flexible to use; the side support plate 7-2 can adopt a flat plate or an arc-shaped plate, and the appropriate side support plate 7-2 can be rotated according to the shape of the tunnel; the outside of the side support plate 7-2 is connected with a wear-resistant layer, which can increase friction and help improve the stability of the side support plate support.

[0030] like Figure 3 As shown, mounting seats 8 are connected to the left and right outer walls of the external support legs 1-1, and threaded rods 9 are threadedly connected to the mounting seats 8. The threaded rods 9 are rotated to lower the threaded rods 9, and the bottom ends of the threaded rods 9 are inserted into the ground, thereby fixing the position of the support frame to avoid position deviation of the support frame during construction.

[0031] The working process of this utility model is as follows:

[0032] First, the device is moved into the tunnel arch via the moving wheels 1-4. Then, the piston rod of the first hydraulic cylinder 3-3 is extended to drive the secondary beam 3-2 to extend from the primary beam 3-1, thereby increasing the overall length of the telescopic beam 3 and adjusting the width of the support frame so that the side support plate 7-2 fits against the side wall of the tunnel arch to support the side wall. Finally, the piston rod of the second hydraulic cylinder 1-3 is extended to drive the inner support leg 1-2 to extend from the outer support leg 1-1, thereby increasing the overall height of the support leg assembly 1 and further increasing the height of the support frame so that the upper support plate 6-2 fits against the top wall of the tunnel arch to support the tunnel arch.

[0033] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A tunnel construction support device, characterized in that: The invention comprises a support frame body, wherein an upper support assembly (6) is provided on the top surface of the support frame body, and side support assemblies (7) are provided on the left and right sides of the support frame body; the support frame body comprises two support assemblies arranged in parallel in front and back, a top connecting beam (4) and a middle connecting beam (5) are provided between the two support assemblies, the top surface of the top connecting beam (4) is provided with the upper support assembly (6), and one side of the middle connecting beam (5) is provided with the side support assembly (7).

2. The tunnel construction support device according to claim 1, characterized in that: The support assembly comprises two corner beams (2) arranged side by side on the left and right, a telescopic beam (3) is provided between the two corner beams (2), a leg assembly (1) is provided below the corner beams (2), and the top connecting beam (4) is provided between the two corresponding corner beams (2) at the front and rear.

3. The tunnel construction support device according to claim 2, characterized in that: The telescopic beam (3) comprises a primary beam (3-1), the right end of the primary beam (3-1) is connected to the corner beam (2) located on the right side, a secondary beam (3-2) is provided on the left side of the primary beam (3-1), the left end of the secondary beam (3-2) is connected to the corner beam (2) located on the left side, a first hydraulic cylinder (3-3) is provided on the top surface of the primary beam (3-1), and a piston rod of the first hydraulic cylinder (3-3) is connected to the secondary beam (3-2).

4. The tunnel construction support device according to claim 2, characterized in that: The leg assembly (1) comprises an external leg (1-1), the top end of the external leg (1-1) is connected to the corner beam (2), an internal leg (1-2) is provided below the external leg (1-1), a second hydraulic cylinder (1-3) is provided inside the external leg (1-1), a piston rod of the second hydraulic cylinder (1-3) is connected to the internal leg (1-2), and a moving wheel (1-4) is provided below the internal leg (1-2).

5. The tunnel construction support device according to claim 4, characterized in that: Both ends of the middle connecting beam (5) are respectively connected to the two corresponding front and rear external legs (1-1).

6. The tunnel construction support device according to claim 1, characterized in that: The upper support assembly (6) comprises a support column (6-1), the support column (6-1) is connected to the top surface of the top connecting beam (4), and the top surface of the support column (6-1) is provided with an upper support plate (6-2).

7. The tunnel construction support device according to claim 1, characterized in that: The side support assembly (7) comprises a support rod (7-1), the support rod (7-1) is arranged on the outside of the middle connecting beam (5), and a side support plate (7-2) is arranged on the piston rod of the support rod (7-1).

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