Supporting device for tunnel maintenance

Abstract

The utility model relates to the technical field of supporting devices, and provides a supporting device for tunnel maintenance, which comprises a bottom plate and a lifting platform, the top end of the bottom plate is connected with a fixing seat and a fixing plate, the top end of the fixing seat is connected with a first hydraulic cylinder, the top end of the first hydraulic cylinder is connected with a mounting block, and the top end of the mounting block is connected with a first supporting rod. Second supporting rods are rotatably connected to the two ends of the mounting block, a first limiting sleeve slidably connected with the first supporting rod is connected to one end of the fixing plate, a through groove is formed in the fixing plate, two auxiliary plates are connected to one end of the fixing plate, and a two-way threaded rod is rotatably connected between the two auxiliary plates; the two-way threaded rod is in threaded connection with two matched threaded parts, one end of each threaded part penetrates through the corresponding through groove to be rotationally connected with a second limiting sleeve, and the second limiting sleeves are slidably connected with the second supporting rods, so that the angle adjusting range between the supporting rods is widened, and the purpose of improving the universality of equipment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of support devices, and specifically, to a support device for tunnel maintenance. Background Art

[0002] During the maintenance of a tunnel, it is necessary to use a support device to support its inner wall to avoid collapse during the maintenance process. Tunnel maintenance supported by a support device is relatively safe and can reduce the occurrence of accidents.

[0003] After retrieval, a support device for tunnel maintenance with a patent publication number of CN212454477U was published on February 2, 2021. It is generally described as including a frame, a hydraulic cylinder I, side guard plates, a support device, a lifting device, a fixing device, a lead screw, a motor, and a hydraulic cylinder II. The first support rod can slide up and down by adjusting the hydraulic cylinder II, changing the angle between the second support rods. After adjusting the angle, extend the hydraulic cylinder III so that the support plate contacts the edge of the tunnel. Since the support plate is rotatably connected to the hydraulic cylinder III, when the angle of the tunnel edge is different, the support plate will rotate according to the angle of the tunnel edge, making the protective pad on the support plate contact the inner wall of the tunnel more fully, playing a better support role. At the same time, a lifting device is provided on the frame, and the lifting device can be moved up and down by driving the motor to facilitate personnel to maintain the tunnel.

[0004] Although the above prior art solution can adjust the angle between the support rods through the steering block, since the position of the steering block cannot be moved, the angle adjustment range between the support rods is small, reducing the universality of the device. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a support device for tunnel maintenance to solve the problem that due to the immovable position of the steering block, the angle adjustment range between the support rods is small, reducing the universality of the device as proposed in the background art.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: A support device for tunnel maintenance, including a bottom plate, including a lifting platform, the lifting platform is fixedly connected to the top end of the bottom plate, a fixed seat and a fixed plate are fixedly connected to the top end of the bottom plate, a first hydraulic cylinder is fixedly connected to the top end of the fixed seat, the top end of the first hydraulic cylinder is fixedly connected to a mounting block, the top end of the mounting block is fixedly connected to a first support rod, both ends of the mounting block are rotatably connected to second support rods, the top ends of the first support rod and the second support rods are rotatably connected to a support plate, one end of the fixed plate is fixedly connected to a first limiting sleeve slidably connected to the first support rod, a through groove is formed in the fixed plate, two auxiliary plates are fixedly connected to one end of the fixed plate, a bidirectional threaded rod is rotatably connected between the two auxiliary plates, two matching threaded members are threadedly connected to the bidirectional threaded rod, one end of each of the two threaded members passes through the through groove and is rotatably connected to a second limiting sleeve, and the second limiting sleeve is slidably connected to the second support rod.

[0009] By adopting the above technical solutions, the lifting platform is used to carry personnel to a high place, so as to facilitate the maintenance of the tunnel. Start the first hydraulic cylinder to drive the mounting block to move, the mounting block drives the first support rod and the second support rod to move, the first support rod moves along the first limiting sleeve, and the second support rod rotates while moving along the second limiting sleeve, so as to achieve the purpose of adjusting the angle between the two second support rods, so as to be applicable to tunnels in different situations. When the angle between the two second support rods is not applicable to the current tunnel, rotate the bidirectional threaded rod to drive the two threaded members to move, and the threaded members drive the second limiting sleeve to move, so that the second limiting sleeve further adjusts the angle of the second support rod, so as to increase the angle adjustment range between the support rods, so as to achieve the purpose of improving the universality of the equipment.

[0010] Optionally, anti-slip pads are provided at the top ends of the three support plates.

[0011] By adopting the above technical solutions, the anti-slip pads are used to increase the friction between the support plates and the inner wall of the tunnel, so as to achieve the purpose of improving the stability of the equipment.

[0012] Optionally, a fence is provided at the top end of the lifting platform.

[0013] By adopting the above technical solutions, the fence is used to protect the staff and reduce the probability of the staff falling from the lifting platform, so as to achieve the purpose of improving the safety of the equipment.

[0014] Optionally, second hydraulic cylinders are installed on both sides of the fixed seat, and pressing blocks are fixedly connected to the output ends of the second hydraulic cylinders.

[0015] By adopting the above technical solution, two second hydraulic cylinders are started to drive the pressing blocks to move, so that the two pressing blocks press on the inner walls on both sides of the tunnel, thereby preventing the equipment from shaking and achieving the purpose of improving the stability of the equipment.

[0016] Optionally, threaded holes are provided at the four corners of the bottom end of the bottom plate. Threaded support rods are threadedly connected inside the threaded holes. Grounding blocks are provided at the bottom ends of the threaded support rods. Universal wheels are provided at the four corners of the bottom end of the bottom plate, and the universal wheels are close to the grounding blocks.

[0017] By adopting the above technical solution, the universal wheels are used to facilitate the movement of the equipment and improve the flexibility of the equipment. When the equipment moves to the designated position, the threaded support rod is rotated to drive the grounding block to move, so that the grounding block contacts the ground, thereby positioning the equipment and reducing the probability of the equipment moving during operation.

[0018] (III) Beneficial effects

[0019] In summary, the present utility model includes at least one of the following beneficial technical effects:

[0020] 1. For the support device for tunnel maintenance, the lifting platform is used to carry personnel to a high place, so as to facilitate the maintenance of the tunnel. The first hydraulic cylinder is started to drive the mounting block to move, and the mounting block drives the first support rod and the second support rod to move. The first support rod moves along the first limiting sleeve, and the second support rod rotates while moving along the second limiting sleeve, so as to achieve the purpose of adjusting the angle between the two second support rods, so as to be applicable to tunnels in different situations. When the angle between the two second support rods is not applicable to the current tunnel, the bidirectional threaded rod is rotated to drive the two threaded parts to move, and the threaded parts drive the second limiting sleeve to move, so that the second limiting sleeve further adjusts the angle of the second support rod, so as to increase the angle adjustment range between the support rods and achieve the purpose of improving the universality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the first side view structural schematic diagram of the present utility model;

[0022] Figure 2 is the second side view structural schematic diagram of the present utility model;

[0023] Figure 3 is the present utility model Figure 2 partial enlarged structural schematic diagram at A in;

[0024] Figure 4 is the third side view structural schematic diagram of the present utility model.

[0025] In the figure: 1, bottom plate; 2, lifting platform; 3, fixed seat; 4, fixed plate; 5, first hydraulic cylinder; 6, mounting block; 7, first support rod; 8, second support rod; 9, support plate; 10, first limit sleeve; 11, auxiliary plate; 12, bidirectional threaded rod; 13, threaded part; 14, second limit sleeve; 15, anti-slip pad; 16, fence; 17, second hydraulic cylinder; 18, pressing block; 19, threaded support rod; 20, grounding block; 21, universal wheel. Detailed implementation manner

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0027] The present invention will be further described in detail below with reference to the accompanying drawings of the specification.

[0028] Refer to Figure 1 and Figure 2, A support device for tunnel maintenance, including a bottom plate 1, including a lifting platform 2. The lifting platform 2 is fixedly connected to the top end of the bottom plate 1. The top end of the bottom plate 1 is fixedly connected with a fixed seat 3 and a fixed plate 4. The top end of the fixed seat 3 is fixedly connected with a first hydraulic cylinder 5. The top end of the first hydraulic cylinder 5 is fixedly connected with a mounting block 6. The top end of the mounting block 6 is fixedly connected with a first support rod 7. Both ends of the mounting block 6 are rotatably connected with second support rods 8. The top ends of the first support rod 7 and the second support rods 8 are rotatably connected with a support plate 9. One end of the fixed plate 4 is fixedly connected with a first limiting sleeve 10 that is slidably connected with the first support rod 7. A through groove is opened on the fixed plate 4. One end of the fixed plate 4 is fixedly connected with two auxiliary plates 11. A bidirectional threaded rod 12 is rotatably connected between the two auxiliary plates 11. Two matching threaded parts 13 are threadedly connected to the bidirectional threaded rod 12. One end of each of the two threaded parts 13 passes through the through groove and is rotatably connected with a second limiting sleeve 14. The second limiting sleeve 14 is slidably connected with the second support rod 8. The lifting platform 2 is used to carry personnel to a high place, so as to facilitate the maintenance of the tunnel. Start the first hydraulic cylinder 5 to drive the mounting block 6 to move. The mounting block 6 drives the first support rod 7 and the second support rods 8 to move. The first support rod 7 moves along the first limiting sleeve 10. While the second support rod 8 moves along the second limiting sleeve 14, it rotates, so as to achieve the purpose of adjusting the angle between the two second support rods 8, so as to be applicable to tunnels in different situations. When the angle between the two second support rods 8 is not suitable for the current tunnel, rotate the bidirectional threaded rod 12 to drive the two threaded parts 13 to move. The threaded parts 13 drive the second limiting sleeve 14 to move, so as to further adjust the angle of the second support rod 8 by the second limiting sleeve 14, so as to increase the angle adjustment range between the support rods, so as to achieve the purpose of improving the universality of the equipment.

[0029] Refer to Figure 2 and Figure 3 , Anti-slip pads 15 are provided at the top ends of the three support plates 9. The anti-slip pads 15 are used to increase the friction between the support plates 9 and the inner wall of the tunnel, so as to achieve the purpose of improving the stability of the equipment.

[0030] Refer to Figure 1 , A fence 16 is provided at the top end of the lifting platform 2. The fence 16 is used to protect the staff and reduce the probability of the staff falling from the lifting platform 2, so as to achieve the purpose of improving the safety of the equipment.

[0031] Refer to Figure 2 , Second hydraulic cylinders 17 are installed on both sides of the fixed seat 3. The output ends of the second hydraulic cylinders 17 are fixedly connected with pressing blocks 18. Start the two second hydraulic cylinders 17 to drive the pressing blocks 18 to move, so that the two pressing blocks 18 press on the inner walls on both sides of the tunnel, so as to prevent the equipment from shaking, so as to achieve the purpose of improving the stability of the equipment.

[0032] Refer toFigure 1 and Figure 4 At the four corners of the bottom end of the bottom plate 1, threaded holes are provided. Threaded support rods 19 are threadedly connected inside the threaded holes. A grounding block 20 is provided at the bottom end of the threaded support rod 19. Universal wheels 21 are provided at the four corners of the bottom end of the bottom plate 1. The universal wheels 21 are close to the grounding block 20. The universal wheels 21 are used to facilitate the movement of the device and improve the flexibility of the device. When the device moves to a specified position, rotate the threaded support rod 19 to drive the grounding block 20 to move, so that the grounding block 20 contacts the ground, thereby positioning the device and reducing the probability of the device moving during operation.

[0033] In summary, the working principle and process of the support device for tunnel maintenance are as follows. When in use, first, the lifting platform 2 is used to carry personnel to a high place to facilitate the maintenance of the tunnel. Start the first hydraulic cylinder 5 to drive the mounting block 6 to move. The mounting block 6 drives the first support rod 7 and the second support rod 8 to move. The first support rod 7 moves along the first limiting sleeve 10, and the second support rod 8 rotates while moving along the second limiting sleeve 14 to adjust the angle between the two second support rods 8, so as to be applicable to tunnels in different situations. When the angle between the two second support rods 8 is not applicable to the current tunnel, rotate the bidirectional threaded rod 12 to drive the two threaded members 13 to move. The threaded members 13 drive the second limiting sleeve 14 to move, so that the second limiting sleeve 14 further adjusts the angle of the second support rod 8, thereby increasing the angle adjustment range between the support rods and achieving the purpose of improving the universality of the device. The anti-slip pad 15 is used to increase the friction between the support plate 9 and the inner wall of the tunnel, thereby achieving the purpose of improving the stability of the device. The fence 16 is used to protect the staff and reduce the probability of the staff falling from the lifting platform 2, thereby achieving the purpose of improving the safety of the device. Start the two second hydraulic cylinders 17 to drive the pressing blocks 18 to move, so that the two pressing blocks 18 press on the inner walls on both sides of the tunnel to prevent the device from shaking, thereby achieving the purpose of improving the stability of the device. The universal wheels 21 are used to facilitate the movement of the device and improve the flexibility of the device. When the device moves to a specified position, rotate the threaded support rod 19 to drive the grounding block 20 to move, so that the grounding block 20 contacts the ground, thereby positioning the device and reducing the probability of the device moving during operation.

[0034] The above embodiments only represent the specific implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. A support device for tunnel maintenance, comprising a bottom plate (1), characterized in that: The invention comprises a lifting platform (2), wherein the lifting platform (2) is fixedly connected to the top of a base plate (1), the top of the base plate (1) is fixedly connected to a fixing seat (3) and a fixing plate (4), the top of the fixing seat (3) is fixedly connected to a first hydraulic cylinder (5), the top of the first hydraulic cylinder (5) is fixedly connected to a mounting block (6), the top of the mounting block (6) is fixedly connected to a first support rod (7), both ends of the mounting block (6) are rotatably connected to a second support rod (8), the tops of the first support rod (7) and the second support rod (8) are rotatably connected to a support plate (9), One end of the fixed plate (4) is fixedly connected to a first limiting sleeve (10) which is slidably connected to the first support rod (7); a through slot is provided on the fixed plate (4); one end of the fixed plate (4) is fixedly connected to two auxiliary plates (11); a bidirectional threaded rod (12) is rotatably connected between the two auxiliary plates (11); two matching threaded members (13) are threadedly connected to the bidirectional threaded rod (12); one end of the two threaded members (13) passes through the through slot and is rotatably connected to a second limiting sleeve (14); the second limiting sleeve (14) is slidably connected to the second support rod (8).

2. A tunnel maintenance support device according to claim 1, characterized in that: The top ends of the three support plates (9) are all provided with anti-slip pads (15).

3. A tunnel maintenance support device according to claim 1, characterized in that: A fence (16) is provided at the top of the lifting platform (2).

4. A tunnel maintenance support device according to claim 1, characterized in that: Second hydraulic cylinders (17) are installed on both sides of the fixing seat (3), and output ends of the second hydraulic cylinders (17) are fixedly connected to pressing blocks (18).

5. The support device for tunnel maintenance according to claim 1, characterized in that: The bottom of the base plate (1) is provided with threaded holes at the four corners, the internal threads of the threaded holes are connected to threaded support rods (19), the bottom of the threaded support rods (19) is provided with a grounding block (20), and the bottom of the base plate (1) is provided with universal wheels (21), which are close to the grounding block (20).

Images