Adjustable transportation equipment for small-diameter tunnel

By designing adjustable transportation equipment, including flexible adjustment transportation mounts and a telescopic adjustment structure with enhanced stability, the flexibility and stability problems of existing small-diameter tunnel transportation equipment are solved, and the multifunctional adaptability and efficient mobility efficiency of the equipment are achieved.

CN119982054APending Publication Date: 2025-05-13HENAN WATER CONSERVANCY CONSTR ENG
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Patent Information

Application Number
CN202510380468.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

The existing small-diameter tunnel transportation equipment lacks flexibility and adaptability, and is difficult to be suitable for tunnels of different sizes. It has poor stability and high friction resistance, which increases the cost of replacing equipment and the physical burden of the operators.

Method used

An adjustable transport device including a tunnel body, a transport tray, an anti-tilt sliding device and a sliding mechanism is designed. The transportation tray achieves flexible adjustment of length and width through the combination of fixing frame, horizontal pipe, storage pipe, adjustment pipe and longitudinal pipe. It is equipped with a telescopic adjustment structure and a sliding mechanism to ensure stable movement and efficient transportation of the equipment under different environments.

Benefits of technology

It realizes the multifunctional adaptability of the equipment, reduces the cost and time of replacing the equipment due to differences in tunnel size, improves the stability and mobility efficiency of the equipment in different environments, reduces the power demand driven by manpower, and reduces the physical burden of operators.

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Abstract

The invention relates to the technical field of tunnel transportation, and discloses small-diameter tunnel adjustable transportation equipment which comprises a tunnel body, a transportation rack, an anti-inclination sliding device and a sliding mechanism, the transportation rack is located in the tunnel body and moves, the transportation rack comprises a fixed frame, a transverse pipe, a storage pipe, an adjusting pipe and a longitudinal pipe, the fixed frame is of a frame-shaped structure, and the transverse pipe is connected with the storage pipe. The transverse pipe is connected to the middle of the front end and the rear end of the fixing frame, the longitudinal pipe is connected to the middle of the two side ends of the fixing frame, the storage pipes are fixedly arranged at the front end and the rear end of the fixing frame respectively, the adjusting pipe is connected between the storage pipes, and the sliding mechanism is installed at the bottom corner of the fixing frame. The anti-inclination sliding device is installed at the corner of the top of the fixing frame. The outer ends of the anti-inclination sliding devices and the sliding mechanisms comprise sliding structures, and the sliding structures are connected to the inner side wall of the tunnel body in a sliding mode. The length and width of the transportation rack can be flexibly adjusted, the transportation rack is suitable for tunnel bodies with different diameters, and the application range of equipment is greatly widened.
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Description

Technical Field

[0001] The invention relates to the technical field of tunnel transportation, in particular to adjustable transportation equipment for a small-diameter tunnel. Background Art

[0002] Tunnel grouting mainly includes backfill grouting and surrounding rock consolidation grouting within 90° of the top arch of the concrete lining reinforcement section in the force transmission tunnel, coal tunnel, exploration tunnel, grouting flat tunnel, water diversion tunnel, etc. Tunnel backfill grouting and consolidation grouting are generally carried out after the lining concrete construction is completed. The diameter of such tunnels is relatively small.

[0003] In the design of transportation equipment for small-diameter tunnels, there is a lack of flexibility and adaptability, which means that the equipment can only be used in tunnels of a specific size. The replacement of equipment is costly and time-consuming. At the same time, in terms of equipment stability, the existing technology fails to provide an effective telescopic adjustment structure, making it difficult to ensure the horizontal and stable movement of the equipment in different environments, which poses a safety hazard. In addition, the existing equipment has a large friction resistance and requires a large amount of manpower to push it, which increases the physical burden on the operators. Therefore, it is necessary to design a corresponding technical solution to solve this problem. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the deficiencies of the prior art, the present invention provides an adjustable transportation device for a small-diameter tunnel, which solves the technical problems thereof.

[0005] (II) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: an adjustable transport device for a small-diameter tunnel, comprising a tunnel body, a transport platform, an anti-tilt sliding device and a sliding mechanism, wherein the transport platform is located inside the tunnel body and moves, and the transport platform comprises a fixed frame, a transverse tube, a storage tube, an adjustment tube and a longitudinal tube, wherein the fixed frame is a frame-shaped structure, and the transverse tube is connected to the middle of the front and rear ends of the fixed frame, and the longitudinal tube is connected to the middle of the two side ends of the fixed frame, and the storage tube is respectively fixed at the front and rear ends between the fixed frames, and the adjustment tube is connected between the storage tubes, and bolt holes are arranged inside the fixed frame, the transverse tube, the storage tube, the adjustment tube and the longitudinal tube; The sliding mechanism is installed at the bottom corner of the fixed frame; The anti-tilt sliding device is installed at the top corner of the fixed frame; The outer ends of the anti-tilt sliding device and the sliding mechanism both include a sliding structure, and the sliding structure is slidably connected to the inner side wall of the tunnel body.

[0006] Preferably, the sliding structure includes a parent-child hinge, a movable wheel, a bracket and an end plate, the parent-child hinge is installed on one side of the inner end of the end plate, and the parent-child hinge is installed on the outside of the fixed frame, the bracket is fixedly arranged at the outer end of the end plate, both ends of the bracket are connected with a shaft cylinder three, the shaft cylinder three are rotatably connected with an axle rod three, and the movable wheel is fixedly arranged in the middle of the axle rod three; the parent-child hinge is used to support the flipping adjustment of the sliding structure, the end plate and the bracket are used to support the shaft cylinder three, the shaft cylinder three is used to flexibly adjust the axle rod three, and the axle rod three is used to support the stable movement of the movable wheel.

[0007] Preferably, the anti-tilt sliding device also includes a telescopic adjustment structure, which is composed of a fixed cylinder, an extension rod, an axle frame, a support plate, a mounting plate and an axle rod. The extension rod is connected to the upper and lower ends of the fixed cylinder, and the upper and lower ends of the side of the fixed cylinder are penetrated and connected with locking bolts. The axle frame is fixedly arranged at the end of the extension rod, and axle cylinders are penetrated at both ends of the axle frame. The axle rod is rotatably connected to the inside of the axle cylinder, the support plate is fixedly arranged in the middle of the axle rod, and the mounting plate is fixedly arranged at the outer end of the support plate, and the mounting plate is divided into It is specially installed between the sliding structure and the upper end of the fixed frame; the anti-tilt sliding device effectively prevents the transport platform from tipping over or tilting due to external force or uneven ground during movement, especially when transporting heavy materials or equipment. The precise adjustment of the telescopic adjustment structure can ensure that the equipment can maintain the best balance at any angle to reduce the risk of accidents; the fixed cylinder is used to telescopically adjust the length of the extension rod up and down, the shaft frame is used to flexibly adjust the support plate, the mounting plate is used to be fixed to the outer end of the shaft frame, and the mounting plate is used to be installed between the sliding structure and the upper end of the fixed frame.

[0008] Preferably, the sliding mechanism also includes a forward and reverse buckle adjustment and fastening structure, which consists of a forward and reverse buckle screw, a slide cylinder 1, a support rod 1, a positioning plate, a slide cylinder 2, a support rod 2 and a pad 2. A spacer ring is fixedly provided in the middle of the forward and reverse buckle screw, and the upper and lower end thread grooves of the forward and reverse buckle screw are opposite structures; the upper and lower end thread grooves are opposite structures for adjusting slide cylinder 1 and slide cylinder 1 up and down through threads, and the spacer ring is used to separate the middle of the forward and reverse buckle screw.

[0009] Preferably, an extension plate 1 is fixedly provided at both ends of the slide cylinder 1, and the slide cylinder 1 and the extension plate 1 are both slidably connected to the outer upper ends of the forward and reverse screws, the support rod 1 is installed at both ends of the extension plate 1, and the positioning plate is installed at the upper end of the support rod 1, and a shaft cylinder 2 is fixedly provided inside the positioning plate, and a shaft rod 2 is rotatably connected inside the shaft cylinder 2, and a support plate 2 is fixedly provided at the outer end of the shaft rod 2, and a pad plate 1 is fixedly provided at the outer end of the support plate 2; the extension plate 1 is used to install the support rod 1 upward, the support rod 1 is used to fix the positioning plate upward, the positioning plate is used to penetrate and fix the shaft cylinder 2, the shaft cylinder 2 is used to movably support the support plate 2 and the pad plate 1, and the support plate 2 and the pad plate 1 are used to be movably installed to the fixed frame.

[0010] Preferably, two ends of the slide cylinder are fixed with extension plates, and the slide cylinder and extension plates are both slidably connected to the outer lower ends of the forward and reverse screws. The support rods are installed at both ends of the extension plates, and the outer ends of the support rods are fixed with pads. The extension plate is fixed to the lower end of the slide cylinder, and the support rods are installed to the lower end of the extension plates. The pads are used to fix the lower end of the support rods, and the pads are used to be installed above the sliding structure, which provides a support point for the equipment. Even on an uneven or inclined tunnel floor, the equipment can be ensured to be stable and not shifted, providing a safer working environment for the operators.

[0011] Preferably, the pad plate 1 and the pad plate 2 are respectively installed between the sliding structure and the lower end of the fixed frame; the pad plate 1 and the pad plate 2 are used for quick disassembly and assembly between the sliding structure and the lower end of the fixed frame.

[0012] Preferably, the transverse tube and the longitudinal tube are located inside the fixed frame with a telescopic adjustment range of 1.5m-2.4m; they are suitable for tunnel bodies of different diameters and have a large adjustable range.

[0013] (III) Beneficial effects Compared with the prior art, the invention has the following beneficial effects: through the designed fixing frame, horizontal tube, storage tube, adjustment tube and longitudinal tube, the transport platform can be flexibly adjusted in length and width, and is suitable for tunnel bodies of different diameters, which greatly broadens the application scope of the equipment and reduces the cost and time required to replace different equipment due to differences in tunnel sizes; The telescopic adjustment structure is set to enhance the stability of the equipment in different tunnel environments. Users can accurately adjust the height of the telescopic adjustment structure according to the actual size of the tunnel and transportation requirements to ensure that the equipment always remains horizontal and stable during movement, effectively preventing safety hazards caused by tilting; the sliding mechanism is set to achieve fine-tuning of the height of the equipment to ensure that the equipment can maintain stable movement in different tunnel bodies, further improving operating efficiency and safety. The sliding structure connected by parent-child hinges and the moving wheel design greatly reduce the friction resistance of the equipment when moving inside the tunnel, making the transportation process smoother and more efficient, reducing the force required for human propulsion, reducing the physical burden of operators, significantly improving the transportation speed of materials and equipment, and shortening the project cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall tunnel opening perspective of the present invention; Figure 2 It is a schematic diagram of the front end structure of the transport platform of the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at B in the middle; Figure 4 It is a schematic diagram of the top view of the structure of the transport platform of the present invention; Figure 5 For the present invention Figure 1 The enlarged structural diagram at A in the middle; Figure 6 It is a schematic diagram of the sliding structure of the present invention; Figure 7 It is a schematic diagram of the telescopic adjustment structure of the present invention; Figure 8 It is a schematic diagram of the end of the telescopic adjustment structure of the present invention; Fig. 9 It is a schematic diagram of the positive and negative buckle adjustment and fastening structure of the present invention; Fig.10 It is a schematic diagram of the upper end of the positive and negative buckle adjustment fastening structure of the present invention; Fig.11 It is a schematic diagram of the lower end of the positive and negative buckle adjustment fastening structure of the present invention.

[0015] In the figure, 1. the tunnel body; 2. Transport stand; 21. Fixed frame; 22. Horizontal tube; 24. Bolt hole; 25. Butterfly bolt; 26. Storage tube; 27. Adjustment tube; 28. Vertical tube; 3. Anti-tilt sliding device; 31. Telescopic adjustment structure; 311. Fixed cylinder; 312. Extension rod; 313. Shaft frame; 3131. Shaft cylinder 1; 314. Support plate 1; 315. Mounting plate; 316. Shaft rod 1; 317. Locking bolt; 4. Sliding mechanism; 41. Forward and reverse buckle adjustment and fastening structure; 411. Forward and reverse buckle screw; 4111. Spacer ring; 412. Sliding cylinder 1; 4121. Extension plate 1; 413. Support rod 1; 414. Positioning plate; 4141. Shaft cylinder 2; 4142. Shaft rod 2; 4143. Support plate 2; 4144. Pad 1; 415. Sliding cylinder 2; 4151. Extension plate 2; 416. Support rod 2; 417. Pad 2; 5. Sliding structure; 51. Hinge; 52. Moving wheel; 521. Axle rod three; 522. Axle tube three; 53. Bracket; 54. End plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 11 The embodiment of the present invention provides a technical solution: an adjustable transportation device for a small-diameter tunnel, comprising a tunnel body 1, a transportation platform 2, an anti-tilt sliding device 3 and a sliding mechanism 4, wherein the transportation platform 2 is located inside the tunnel body 1 and moves, and the transportation platform 2 comprises a fixed frame 21, a transverse tube 22, a receiving tube 26, an adjusting tube 27 and a longitudinal tube 28, wherein the fixed frame 21 is a frame-shaped structure, and the transverse tube 22 is connected to the middle of the front and rear ends of the fixed frame 21, and the longitudinal tube 28 is connected to the middle of the two side ends of the fixed frame 21, and the receiving tube 26 is respectively fixed at the front and rear ends between the fixed frame 21, and the adjusting tube 27 is connected between the receiving tubes 26, and bolt holes 24 are arranged inside the fixed frame 21, the transverse tube 22, the receiving tube 26, the adjusting tube 27 and the longitudinal tube 28, and the bolt holes 24 at the ends of the fixed frame 21 and the receiving tube 26 are threadedly penetrated and connected with butterfly bolts 25, and the telescopic adjustment transverse tube 22, the adjusting tube 27 and the longitudinal tube 28 are suitable for tunnel bodies 1 of different diameters; The sliding mechanism 4 is installed at the bottom corner of the fixed frame 21; The anti-tilt sliding device 3 is installed at the top corner of the fixed frame 21; The outer ends of the anti-tilt sliding device 3 and the sliding mechanism 4 both include a sliding structure 5, which is slidably connected to the inner wall of the tunnel body 1, thereby reducing the work intensity of the operators in the tunnel body 1 and greatly improving the transportation efficiency of materials and equipment in the tunnel body 1.

[0018] Further improved, the sliding structure 5 includes a hinge 51, a moving wheel 52, a bracket 53 and an end plate 54, the hinge 51 is installed on one side of the inner end of the end plate 54, and the hinge 51 is installed on the outside of the fixed frame 21, the bracket 53 is fixedly arranged on the outer end of the end plate 54, the two ends of the bracket 53 are connected with a shaft cylinder 3 522, the shaft cylinder 3 522 is rotatably connected with a shaft rod 3 521, and the moving wheel 52 is fixedly arranged in the middle of the shaft rod 3 521; The parent-child hinge 51 is used to support the sliding structure 5 for flipping adjustment, the end plate 54 and the bracket 53 are used to support the shaft cylinder three 522, the shaft cylinder three 522 is used for movably adjusting the shaft rod three 521, and the shaft rod three 521 is used to support the moving wheel 52 for stable movement.

[0019] Further improved, the anti-tilt sliding device 3 also includes a telescopic adjustment structure 31, which is composed of a fixed cylinder 311, an extension rod 312, an axle frame 313, a support plate 314, a mounting plate 315 and a shaft rod 316. The extension rod 312 is connected to the upper and lower ends of the fixed cylinder 311, and the upper and lower ends of the side of the fixed cylinder 311 are penetrated and connected with locking bolts 317. The axle frame 313 is fixedly arranged at the end of the extension rod 312, and the two ends of the axle frame 313 are penetrated with a shaft cylinder 3131, and the shaft rod 316 is rotatably connected to the inside of the shaft cylinder 3131. The support plate 314 is fixedly arranged in the middle of the shaft rod 316, and the mounting plate 315 is fixedly arranged at the outer end of the support plate 314, and the mounting plate 315 is respectively installed between the sliding structure 5 and the upper end of the fixed frame 21; The anti-tilt sliding device 3 effectively prevents the transport platform 2 from tipping over or tilting due to external force or uneven ground during movement, especially when transporting heavy materials or equipment. Through precise adjustment of the telescopic adjustment structure 31, it can ensure that the equipment can maintain the best balance at any angle to reduce the risk of accidents; the fixed cylinder 311 is used to telescopically adjust the length of the extension rod 312 up and down, the shaft frame 313 is used to movably adjust the support plate 314, the mounting plate 315 is used to be fixed to the outer end of the shaft frame 313, and the mounting plate 315 is used to be installed between the sliding structure 5 and the upper end of the fixed frame 21.

[0020] Further improved, the sliding mechanism 4 also includes a positive and negative buckle adjustment fastening structure 41, which is composed of a positive and negative buckle screw 411, a slide cylinder 412, a support rod 413, a positioning plate 414, a slide cylinder 415, a support rod 416 and a backing plate 417. A spacer ring 4111 is fixed in the middle of the positive and negative buckle screw 411, and the upper and lower end thread grooves of the positive and negative buckle screw 411 are opposite structures; The upper and lower thread grooves are of opposite structures and are used to adjust the slide 412 and the slide 412 up and down through the threads. The spacer ring 4111 is used to separate the middle of the forward and reverse screw 411.

[0021] Further improved, an extension plate 4121 is fixedly provided at both ends of the slide cylinder 412, and both the slide cylinder 412 and the extension plate 4121 are slidably connected to the outer upper end of the forward and reverse screw 411, a support rod 413 is installed at both ends of the extension plate 4121, a positioning plate 414 is installed at the upper end of the support rod 413, a shaft cylinder 4141 is fixedly provided inside the positioning plate 414, a shaft rod 4142 is rotatably connected inside the shaft cylinder 4141, a support plate 4143 is fixedly provided at the outer end of the shaft rod 4142, and a pad plate 4144 is fixedly provided at the outer end of the support plate 4143; Extension plate 1 4121 is used to install support rod 1 413 upwards, support rod 1 413 is used to fix the support positioning plate 414 upwards, positioning plate 414 is used to penetrate and fix shaft cylinder 2 4141, shaft cylinder 2 4141 is used to movably support support plate 2 4143 and pad 1 4144, support plate 2 4143 and pad 1 4144 are used to be movably installed to fixed frame 21.

[0022] Further improved, two ends of the slide cylinder 415 are fixedly provided with extension plates 4151, the slide cylinder 415 and the extension plates 4151 are both slidably connected to the outer lower ends of the positive and negative screws 411, the support rod 416 is installed at both ends of the extension plates 4151, and the outer ends of the support rod 416 are fixedly provided with pads 417; Extension plate 2 4151 is fixed to the lower end of slide tube 2 415, support rod 2 416 is installed to the lower end of extension plate 2 4151, pad 2 417 is used to fix the lower end of support rod 2 416, pad 2 417 is used to be installed above the sliding structure 5, providing a support point for the equipment, ensuring that the equipment is stable and does not shift even on an uneven or inclined tunnel floor, providing a safer working environment for operators.

[0023] As a further improvement, the pad 1 4144 and the pad 2 417 are respectively installed between the sliding structure 5 and the lower end of the fixed frame 21; The backing plate 1 4144 and the backing plate 2 417 are used to be quickly disassembled and assembled between the sliding structure 5 and the lower end of the fixed frame 21 .

[0024] Specifically, the horizontal tube 22 and the vertical tube 28 are located inside the fixed frame 21 and have a telescopic adjustment range of 1.5m-2.4m; they are suitable for tunnel bodies 1 of different diameters and have a large adjustable range.

[0025] Working principle: Loosen the locking bolt 317 to operate the horizontal tube 22 and the vertical tube 28 to adjust the overall size of the fixed frame 21, then tighten the locking bolt 317 and simultaneously extend and retract the adjustment tube 27; The hinge 51 at the sliding mechanism 4 is turned over to adjust the sliding structure 5, so that the moving wheel 52 of the sliding structure 5 contacts the inner wall of the tunnel body 1 and moves stably, and at the same time, the slide cylinder 1 412 and the slide cylinder 2 415 of the positive and negative buckle adjustment fastening structure 41 are rotated to be located outside the positive and negative buckle screw 411 to rotate and adjust the height of the support of the positive and negative buckle adjustment fastening structure 41, and the sliding mechanism 4 is adjusted to a suitable angle through the movable adjustment of the shaft cylinder 2 4141 and the shaft rod 2 4142, and is installed under the fixed frame 21, so that it moves stably on the inner wall of the tunnel body 1; The hinge 51 at the anti-tilt sliding device 3 is flipped to adjust the sliding structure 5, so that the moving wheel 52 of the sliding structure 5 contacts the inner wall of the tunnel body 1 and moves stably, and cooperates with the sliding mechanism 4 to effectively prevent the transport platform 2 from moving and tilting. At the same time, the locking bolt 317 of the telescopic adjustment structure 31 is loosened and tightened, and the extension rod 312 is telescopically adjusted in length. The shaft frame 313 and the shaft rod 316 are adjusted movably, so that the anti-tilt sliding device 3 is adjusted to a suitable angle and installed above the fixed frame 21, and stably moves on the inner wall of the tunnel body 1.

[0026] The tunnel body 1 of the present invention, the transport platform 2, the fixing frame 21, the horizontal tube 22, the bolt hole 24, the butterfly bolt 25, the storage tube 26, the adjustment tube 27, the longitudinal tube 28, the anti-tilt sliding device 3, the telescopic adjustment structure 31, the fixing cylinder 311, the extension rod 312, the shaft frame 313, the shaft cylinder 1 3131, the support plate 1 314, the mounting plate 315, the shaft rod 1 316, the locking bolt 317, the sliding mechanism 4, the positive and negative buckle adjustment fastening structure 41, the positive and negative buckle screw 411, the spacer ring 4111, the slide cylinder 1 412, the extension plate 1 4121, the support rod 1 413, the positioning plate 414, the shaft cylinder 2 4141, the shaft rod 2 4142, the support plate 2 4143, the pad 1 41 44, slide cylinder 2 415, extension plate 2 4151, support rod 2 416, pad 2 417, sliding structure 5, hinge 51, moving wheel 52, shaft rod 3 521, shaft cylinder 3 522, bracket 53, end plate 54, all components are universal standard parts or components known to those skilled in the art, and their structures and principles can be known by the technicians in this field through technical manuals or through conventional experimental methods. The problem solved by the present invention is that the transportation equipment for small-diameter tunnels lacks flexibility and adaptability, resulting in the equipment often being only applicable to tunnels of a specific size, and the cost of replacing the equipment is high and time-consuming. In terms of equipment stability, the prior art fails to provide an effective telescopic adjustment structure, and it is difficult to ensure that the equipment is stable. In order to ensure the horizontal and stable movement of the equipment in different environments, there are safety hazards. The existing equipment has large friction resistance and requires a large amount of manpower to push, which increases the physical burden of the operators. The present invention realizes the flexible adjustment of the length and width of the transport platform 2 through the combination of the above-mentioned components, through the designed fixed frame 21, horizontal tube 22, storage tube 26, adjustment tube 27 and longitudinal tube 28, and is suitable for tunnel bodies 1 of different diameters, which greatly broadens the application range of the equipment and reduces the cost and time of replacing different equipment due to differences in tunnel sizes; the stability of the equipment in different tunnel environments is enhanced by the telescopic adjustment structure 31, and the user can adjust the length and width of the equipment according to the actual size of the tunnel. According to the size and transportation needs, the height of the telescopic adjustment structure 31 is accurately adjusted to ensure that the equipment always remains horizontal and stable during movement, effectively preventing safety hazards caused by tilting; the sliding mechanism 4 is set to achieve fine-tuning of the height of the equipment to ensure that the equipment can maintain stable movement in different tunnel bodies 1, further improving the working efficiency and safety. The sliding structure 5 connected by the parent-child hinge 51 is combined with the moving wheel 52 design, which greatly reduces the friction resistance of the equipment when moving inside the tunnel, making the transportation process smoother and more efficient, reducing the force required for human propulsion, reducing the physical burden of operators, significantly improving the transportation speed of materials and equipment, and shortening the project period.

[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An adjustable transport device for a small diameter tunnel, comprising a tunnel body (1), a transport platform (2), an anti-tilt sliding device (3) and a sliding mechanism (4), characterized in that: The transport platform (2) is located inside the tunnel body (1) and moves. The transport platform (2) comprises a fixed frame (21), a transverse tube (22), a receiving tube (26), an adjusting tube (27) and a longitudinal tube (28). The fixed frame (21) is a frame-shaped structure, and the transverse tube (22) is connected to the middle of the front and rear ends of the fixed frame (21). The longitudinal tube (28) is connected to the middle of both side ends of the fixed frame (21). The receiving tube (26) is respectively fixed at the front and rear ends between the fixed frame (21). The adjusting tube (27) is connected between the receiving tubes (26). Bolt holes (24) are arranged inside the fixed frame (21), the transverse tube (22), the receiving tube (26), the adjusting tube (27) and the longitudinal tube (28). Butterfly bolts (25) are threadedly penetrated and connected to the bolt holes (24) at the ends of the fixed frame (21) and the receiving tube (26). The sliding mechanism (4) is installed at the bottom corner of the fixed frame (21); The anti-tilt sliding device (3) is installed at the top corner of the fixed frame (21); The outer ends of the anti-tilt sliding device (3) and the sliding mechanism (4) both include a sliding structure (5), and the sliding structure (5) is slidably connected to the inner side wall of the tunnel body (1).

2. The small diameter tunnel adjustable transportation equipment according to claim 1, characterized in that: The sliding structure (5) comprises a hinge (51), a moving wheel (52), a bracket (53) and an end plate (54); the hinge (51) is mounted on one side of the inner end of the end plate (54), and the hinge (51) is mounted on the outside of the fixed frame (21); the bracket (53) is fixedly arranged on the outer end of the end plate (54); two ends of the bracket (53) are connected to a shaft cylinder three (522); a shaft rod three (521) is rotatably connected between the shaft cylinder three (522); and the moving wheel (52) is fixedly arranged in the middle of the shaft rod three (521).

3. The small diameter tunnel adjustable transportation equipment according to claim 1, characterized in that: The anti-tilt sliding device (3) further comprises a telescopic adjustment structure (31), the telescopic adjustment structure (31) comprising a fixed cylinder (311), an extension rod (312), an axle frame (313), a support plate (314), a mounting plate (315) and an axle rod (316), the extension rod (312) being connected to the upper and lower ends of the fixed cylinder (311), the upper and lower ends of the side of the fixed cylinder (311) being penetrated and connected with locking bolts (317), the axle frame (313) The shaft frame (313) is fixedly arranged at the end of the extension rod (312), and the two ends of the shaft frame (313) are penetrated by a shaft cylinder (3131), and the shaft rod (316) is penetrated and rotatably connected to the interior of the shaft cylinder (3131). The support plate (314) is fixedly arranged at the middle of the shaft rod (316), and the mounting plate (315) is fixedly arranged at the outer end of the support plate (314), and the mounting plate (315) is respectively installed between the sliding structure (5) and the upper end of the fixed frame (21).

4. The small diameter tunnel adjustable transportation equipment according to claim 1, characterized in that: The sliding mechanism (4) further comprises a positive and negative buckle adjusting fastening structure (41), the positive and negative buckle adjusting fastening structure (41) comprising a positive and negative buckle screw (411), a slide cylinder (412), a support rod (413), a positioning plate (414), a slide cylinder (415), a support rod (416) and a backing plate (417), a spacer ring (4111) is fixedly provided at the middle of the positive and negative buckle screw (411), and the upper and lower end thread grooves of the positive and negative buckle screw (411) are of opposite structure.

5. The small diameter tunnel adjustable transportation equipment according to claim 4, characterized in that: An extension plate 1 (4121) is fixedly provided at both ends of the slide cylinder 1 (412), and the slide cylinder 1 (412) and the extension plate 1 (4121) are both slidably connected to the outer upper end of the forward and reverse screw rod (411), the support rod 1 (413) is installed at both ends of the extension plate 1 (4121), and the positioning plate (414) is installed at the upper end of the support rod 1 (413), and the interior of the positioning plate (414) is fixedly provided with a shaft cylinder 2 (4141), and the interior of the shaft cylinder 2 (4141) is rotatably connected with a shaft rod 2 (4142), and the outer end of the shaft rod 2 (4142) is fixedly provided with a support plate 2 (4143), and the outer end of the support plate 2 (4143) is fixedly provided with a pad plate 1 (4144).

6. The small diameter tunnel adjustable transportation equipment according to claim 5, characterized in that: Extension plates 2 (4151) are fixedly provided at both ends of the second slide cylinder (415), and both the second slide cylinder (415) and the second extension plate (4151) are slidably connected to the outer lower end of the forward and reverse screw rod (411). The second support rod (416) is installed at both ends of the second extension plate (4151), and the outer end of the second support rod (416) is fixedly provided with a pad plate 2 (417).

7. The small diameter tunnel adjustable transportation equipment according to claim 6, characterized in that: The pad 1 (4144) and the pad 2 (417) are respectively installed between the sliding structure (5) and the lower end of the fixed frame (21).

8. The small diameter tunnel adjustable transportation equipment according to claim 1, characterized in that: The transverse tube (22) and the longitudinal tube (28) are located inside the fixed frame (21) and have a telescopic adjustment range of 1.5 m to 2.4 m.