Tunnel top maintenance equipment for tunnel construction

Abstract

The utility model discloses tunnel top maintenance equipment for tunnel construction, and relates to the technical field of tunnel construction.The tunnel top maintenance equipment for tunnel construction comprises two rectangular fixing frames, wheels are fixedly installed on the front sides and the rear sides of the bottom ends of the two rectangular fixing frames, and the two rectangular fixing frames are connected through a telescopic structure; the telescopic structure comprises four fixing sleeves, moving rods are slidably inserted into the left sides and the right sides of the interiors of the four fixing sleeves, the ends, away from the fixing sleeves, of the eight moving rods are correspondingly and fixedly installed at the four corners of the opposite faces of the two rectangular fixing frames, and supporting mechanisms are arranged on the opposite faces of the two connecting plates. And the rubber supporting blocks on the two sides are pressed on the two sides of the tunnel wall through contraction of the springs and the telescopic rods, so that a worker is more stable during maintenance, the worker can walk on the moving plate and the rectangular sleeve, and then multiple positions of the top of the tunnel can be maintained.

Description

Technical Field

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

[0002] Tunnel construction is a new engineering construction method that adopts shotcrete technology, monitoring and measurement, and forms a system with rock mechanics theory.

[0003] However, when using the existing tunnel top maintenance equipment, it is inconvenient to adjust the length of the maintenance platform according to the tunnel width, resulting in a small range of use. The staff can only maintain the tunnel top in a small range, and the stability is poor. It is easy to shake during maintenance, which poses a great hidden danger to the safety of the maintenance personnel and has low practicality. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a tunnel top maintenance device for tunnel construction, which can solve the problem that the existing tunnel top maintenance device is inconvenient to adjust the length of the maintenance platform according to the tunnel width during use, resulting in a small range of use. The staff can only maintain the tunnel top within a small range, and the stability is poor. It is easy to shake during maintenance, which brings great hidden dangers to the safety of the maintenance personnel and has low practicality.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel top maintenance device for tunnel construction, comprising two rectangular fixed frames, wheels are fixedly installed on both the front and rear sides of the bottom ends of the two rectangular fixed frames, the two rectangular fixed frames are connected by a telescopic structure, the telescopic structure comprises four fixed sleeves, the left and right sides of the four fixed sleeves are slidably plugged with moving rods, and the ends of the eight moving rods away from the fixed sleeves are fixedly installed at the four corners of the opposite surfaces of the two rectangular fixed frames;

[0008] Among them, support columns are fixedly installed on both sides of the top of the two rectangular fixing frames, and each of the four support columns is a group of two. The tops of the two support columns are fixedly installed with connecting plates, and the opposite surfaces of the two connecting plates are provided with supporting mechanisms;

[0009] Wherein, fixing devices are arranged at four corners of the surfaces away from each other of the two rectangular fixing frames.

[0010] Preferably, a plurality of limiting holes are provided on both sides of the top of the outer surface of the fixed sleeve, and limiting grooves are provided at the positions corresponding to the limiting holes on the opposite ends of the two moving rods, and the fixed sleeve is connected to the corresponding two moving rods through the limiting rod plug-in.

[0011] Preferably, ladders are fixedly mounted on the inner sides of the two rectangular fixing frames.

[0012] Preferably, movable plates are fixedly mounted on the tops of the opposite surfaces of the two rectangular fixing frames, rectangular sleeves are slidably sleeved on the opposite ends of the two movable plates, and the front and rear sides of the rectangular sleeves are fixedly connected to the outer sides of the corresponding two fixed sleeves.

[0013] Preferably, the support mechanism includes four protection rods, which are respectively fixedly welded to the front and rear sides of the opposite surfaces of the two connecting plates, and sleeves are slidably sleeved on the opposite ends of the two corresponding left and right protection rods.

[0014] Preferably, the fixing device includes a telescopic rod, which is fixedly welded to the outer surface of the rectangular fixing frame, a rubber support block is fixedly installed on the telescopic end of the telescopic rod, an anti-slip groove is provided on the side of the rubber support block away from the telescopic rod, a spring is fixedly installed on the side of the rubber support block close to the telescopic rod, one end of the spring away from the rubber support block is fixedly installed on the outer surface of the rectangular fixing frame, and the spring is sleeved on the outer side of the corresponding telescopic rod.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The tunnel top maintenance equipment for tunnel construction is provided with wheels at the bottom end of the device, and telescopic rods, rubber support blocks and anti-skid grooves are provided on both sides of two rectangular fixed frames. The rubber support blocks on both sides are pressed against the two sides of the tunnel wall by the contraction of the spring and the telescopic rod, so that the workers can be more stable during maintenance. The workers can walk on the movable plate and the rectangular sleeve, so that they can maintain multiple positions on the tunnel top. When the maintenance position needs to be changed, the distance between the two rectangular fixed frames is shortened, and the two rectangular fixed frames are pushed forward or backward to maintain other positions on the tunnel top, thereby improving the practicality of the device.

[0018] (2) The tunnel top maintenance equipment used in tunnel construction is provided with a movable plate and a rectangular casing so that workers can stand on the upper surface of the rectangular casing to maintain the tunnel top. By providing a protective rod and a casing, safety protection is provided to the workers when they are maintaining the tunnel top to prevent them from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 This is a schematic diagram of the structure of a tunnel top maintenance device for tunnel construction according to the utility model;

[0021] Figure 2 For this utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0022] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 For this utility model Figure 3 Enlarged schematic diagram of point B in the middle.

[0024] Figure numerals: 1. rectangular fixed frame; 2. wheels; 3. fixed sleeve; 4. moving rod; 5. support column; 6. connecting plate; 7. limiting hole; 8. spring; 9. limiting rod; 10. ladder; 11. moving plate; 12. rectangular sleeve; 13. protective rod; 14. sleeve; 15. telescopic rod; 16. rubber support block; 17. anti-slip groove. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] See also Figure 1-4 The utility model provides a technical solution: a tunnel top maintenance device for tunnel construction, comprising two rectangular fixed frames 1, wheels 2 are fixedly installed on both the front and rear sides of the bottom ends of the two rectangular fixed frames 1, the two rectangular fixed frames 1 are connected by a telescopic structure, the telescopic structure comprises four fixed sleeves 3, the left and right sides of the four fixed sleeves 3 are slidably plugged with moving rods 4, and the ends of the eight moving rods 4 away from the fixed sleeves 3 are fixedly installed at the four corners of the opposite surfaces of the two rectangular fixed frames 1;

[0030] Among them, support columns 5 are fixedly installed on both sides of the top of the two rectangular fixing frames 1, and each of the four support columns 5 is a group of two. The tops of the two support columns 5 are fixedly installed with connecting plates 6, and the opposite surfaces of the two connecting plates 6 are provided with supporting mechanisms;

[0031] Among them, fixing devices are arranged at four corners of the two rectangular fixing frames 1 on the surfaces away from each other.

[0032] Furthermore, a plurality of limiting holes 7 are provided on both sides of the top of the outer surface of the fixed sleeve 3, and limiting grooves are provided at the positions corresponding to the limiting holes 7 on the opposite ends of the two moving rods 4, and the fixed sleeve 3 and the corresponding two moving rods 4 are plug-connected through the limiting rods 9.

[0033] Furthermore, ladders 10 are fixedly installed on the inner sides of the two rectangular fixing frames 1 .

[0034] Furthermore, movable plates 11 are fixedly installed on the top of the opposite surfaces of the two rectangular fixing frames 1, and rectangular sleeves 12 are slidably sleeved on the opposite ends of the two movable plates 11. The front and rear sides of the rectangular sleeves 12 are fixedly connected to the outer sides of the corresponding two fixed sleeves 3.

[0035] Furthermore, the supporting mechanism includes four protection rods 13, which are respectively fixedly welded to the front and rear sides of the opposite faces of the two connecting plates 6, and sleeves 14 are slidably sleeved on the opposite ends of the two corresponding left and right protection rods 13.

[0036] Furthermore, the fixing device includes a telescopic rod 15, which is fixedly welded to the outer surface of the rectangular fixing frame 1, and a rubber support block 16 is fixedly installed on the telescopic end of the telescopic rod 15. The side of the rubber support block 16 away from the telescopic rod 15 is provided with an anti-slip groove 17, and a spring 8 is fixedly installed on the side of the rubber support block 16 close to the telescopic rod 15. The end of the spring 8 away from the rubber support block 16 is fixedly installed on the outer surface of the rectangular fixing frame 1, and the spring 8 is sleeved on the outer side of the corresponding telescopic rod 15. When using this device, the device is pushed into the tunnel, and the staff can climb up the upper surface of the rectangular sleeve 12 from the ladders 10 on both sides, and pull the limiting rod 9 out from the corresponding limiting hole 7 and the limiting groove, so that the two rectangular fixing frames 1 move away from each other. The two rectangular fixing frames 1 move away from each other so that the rubber support blocks 16 on the left and right sides contact the walls on both sides of the tunnel, and continue to pull the two rectangular fixing frames 1 so that the four telescopic rods 15 on the left and right sides and the spring 8 are Contraction, at this time, the limiting rod 9 is inserted into the corresponding limiting hole 7 and the limiting groove, so that the moving rod 4 no longer moves, and when the two rectangular fixing frames 1 are away from each other, the two moving plates 11 are pulled out from the inside of the rectangular sleeve 12, and the two protective rods 13 are pulled out from the inside of the sleeve 14. By setting the moving plate 11 and the rectangular sleeve 12, the staff can stand on the upper surface of the rectangular sleeve 12 to maintain the top of the tunnel. By setting the protective rod 13 and the sleeve 14, when the staff maintains the top of the tunnel, safety protection is provided to the staff to prevent the staff from falling. By setting the spring 8, the telescopic rod 15 and the rubber support block 16, the walls on both sides of the tunnel squeeze the two rectangular fixing frames 1, making the device more stable when in use. When the maintenance position needs to be changed, the distance between the two rectangular fixing frames 1 is shortened, thereby pushing the two rectangular fixing frames 1 to move forward or backward, thereby maintaining other positions on the top of the tunnel, thereby improving the practicability of the device.

[0037] Working principle: When using the device, push the device into the tunnel, and the staff can climb up the upper surface of the rectangular sleeve 12 from the ladders 10 on both sides, and pull the limit rod 9 out from the corresponding limit hole 7 and the limit groove, so that the two rectangular fixing frames 1 move away from each other, and the two rectangular fixing frames 1 move away from each other so that the rubber support blocks 16 on the left and right sides contact the walls on both sides of the tunnel, and continue to pull the two rectangular fixing frames 1, so that the four telescopic rods 15 and the spring 8 on the left and right sides are all contracted, and at this time, the limit rod 9 is inserted into the corresponding limit hole 7 and the limit groove, so that the moving rod 4 no longer moves, and while the two rectangular fixing frames 1 move away from each other, the two moving plates 11 are pulled out from the inside of the rectangular sleeve 12, and the two protective rods 13 is pulled out from the inside of the sleeve 14. By setting the movable plate 11 and the rectangular sleeve 12, the staff can stand on the upper surface of the rectangular sleeve 12 to maintain the tunnel top. By setting the protective rod 13 and the sleeve 14, the staff is provided with safety protection when maintaining the tunnel top to prevent the staff from falling. By setting the spring 8, the telescopic rod 15 and the rubber support block 16, the walls on both sides of the tunnel squeeze the two rectangular fixing frames 1, making the device more stable when in use. When the maintenance position needs to be changed, the distance between the two rectangular fixing frames 1 is shortened, thereby pushing the two rectangular fixing frames 1 to move forward or backward, thereby maintaining other positions on the tunnel top, thereby improving the practicability of the device.

[0038] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A tunnel top maintenance device for tunnel construction, comprising two rectangular fixing frames (1), wheels (2) being fixedly mounted on both the front and rear sides of the bottom ends of the two rectangular fixing frames (1), characterized in that: The two rectangular fixed frames (1) are connected via a telescopic structure, the telescopic structure comprising four fixed sleeves (3), the left and right sides of the four fixed sleeves (3) are slidably plugged with moving rods (4), and the ends of the eight moving rods (4) away from the fixed sleeves (3) are fixedly mounted at the four corners of the opposite surfaces of the two rectangular fixed frames (1); Wherein, support columns (5) are fixedly mounted on both sides of the top ends of the two rectangular fixing frames (1), two of the four support columns (5) form a group, and connecting plates (6) are fixedly mounted on the top ends of the two support columns (5), and supporting mechanisms are arranged on the opposite surfaces of the two connecting plates (6); Wherein, fixing devices are arranged at four corners of the surfaces of the two rectangular fixing frames (1) that are separated from each other.

2. The tunnel top maintenance equipment for tunnel construction according to claim 1, characterized in that: A plurality of limiting holes (7) are provided on both left and right sides of the top of the outer surface of the fixed sleeve (3), and limiting grooves are provided at positions corresponding to the limiting holes (7) on the opposite ends of the two moving rods (4), and the fixed sleeve (3) and the corresponding two moving rods (4) are plug-connected via limiting rods (9).

3. The tunnel top maintenance equipment for tunnel construction according to claim 2, characterized in that: A ladder (10) is fixedly mounted on the inner sides of the two rectangular fixing frames (1).

4. The tunnel top maintenance equipment for tunnel construction according to claim 3, characterized in that: A movable plate (11) is fixedly mounted on the top of the opposite surfaces of the two rectangular fixed frames (1), a rectangular sleeve (12) is slidably sleeved on the opposite ends of the two movable plates (11), and the front and rear sides of the rectangular sleeve (12) are fixedly connected to the outer sides of the corresponding two fixed sleeves (3).

5. The tunnel top maintenance equipment for tunnel construction according to claim 4, characterized in that: The support mechanism comprises four protection rods (13), which are respectively fixedly welded to the front and rear sides of the two connecting plates (6), and sleeves (14) are slidably sleeved on the opposite ends of the two corresponding left and right protection rods (13).

6. The tunnel top maintenance equipment for tunnel construction according to claim 5, characterized in that: The fixing device comprises a telescopic rod (15), the telescopic rod (15) is fixedly welded to the outer surface of a rectangular fixing frame (1), a rubber support block (16) is fixedly mounted on the telescopic end of the telescopic rod (15), a side of the rubber support block (16) away from the telescopic rod (15) is provided with an anti-slip groove (17), a side of the rubber support block (16) close to the telescopic rod (15) is fixedly mounted with a spring (8), one end of the spring (8) away from the rubber support block (16) is fixedly mounted on the outer surface of the rectangular fixing frame (1), and the spring (8) is sleeved on the outer side of the corresponding telescopic rod (15).

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