Mobile power distribution cabinet for long tunnel construction
By introducing adjustable roller positions and elastic shock-absorbing structures into the mobile distribution cabinet, the problems of the distribution cabinet easily tipping over on rough roads and exposed wheels are solved, achieving stable movement and aesthetically pleasing storage, and improving practicality and safety.
Patent Information
- Application Number
- CN202520899934.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-08
AI Technical Summary
Existing mobile distribution cabinets are prone to tipping over on rough roads, and their components become loose. Furthermore, the exposed wheels when not in use affect aesthetics and maintenance, making them impractical.
A mobile power distribution cabinet for long tunnel construction was designed, which adopts adjustable roller position and elastic shock absorption structure. The roller position can be adjusted through plug-in components and drive structure. Combined with magnetic connection and fastener, it ensures stable movement and aesthetic storage.
It effectively prevents the distribution cabinet from tipping over, enhances support, reduces vibration, maintains a neat appearance, facilitates maintenance, and improves the practicality and safety of mobile distribution cabinets.
Smart Images

Figure CN223957148U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tunnel construction equipment technical field, concretely relates to a long tunnel construction movable power distribution cabinet. BACKGROUND
[0002] In the long tunnel construction process, the working face continuously extends forward, and the power distribution cabinet needs to move with the construction progress to ensure that the power transmission distance is always within a reasonable range, avoiding voltage attenuation caused by long lines, and the movable power distribution cabinet needs to be flexibly deployed in the risk-avoiding hole or the temporary area to directly power the drilling, ventilation, drainage and other equipment, reducing the cable laying length.
[0003] In the prior art, the power distribution cabinet with the moving function is provided with four walking wheels at the bottom of the cabinet body, and the walking wheels can only provide simple moving function, but the road surface of the construction site is rugged, and there will be bumping during the moving process, and the circuit breaker, bus and other components may be loose, displaced or even cause short circuit risk, and the position of the walking wheel at the bottom of the existing power distribution cabinet is mostly not adjustable, and the power distribution cabinet is prone to falling when moving on rugged road surface, causing damage to the cabinet body and internal elements, and the walking wheel in the prior art is exposed when not in use, which is not only not beautiful but also affects the debugging and maintenance around the power distribution cabinet, and the practicability is poor. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the above problems and provides a long tunnel construction movable power distribution cabinet, which is described in detail below.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] The utility model provides a long tunnel construction movable power distribution cabinet, which comprises a power distribution cabinet body, both sides of the power distribution cabinet body are rotatably connected with leg plates, the bottom surface of the power distribution cabinet body is fixedly connected with supporting legs at the four corners, the end portions of the two leg plates are fixedly connected with hollow cross bars, the inside of the hollow cross bar is slidably connected with movable rods on both sides, and the two ends of the hollow cross bar are provided with plug-in assemblies for fixing the moving positions of the movable rods, the end portions of the two movable rods are detachably installed with rollers, the two side walls of the power distribution cabinet body are provided with movable blocks, the bottom surface of the power distribution cabinet body is provided with driving structures for driving the movable blocks to adjust up and down on both sides, and the movable blocks and the leg plates are detachably installed with elastic shock absorbers, and the two sides of the power distribution cabinet body are provided with connecting fixing pieces for fixing the hollow cross bars.
[0007] As preferred, the plug-in assembly comprises a plug hole opened at the end of the hollow crossbar, a plug is plugged into the plug hole, a plurality of positioning holes are opened on the movable rod and plugged with the plug, the hollow crossbar and the movable rod are both square in design and gap fit, and the end of the movable rod is detachably connected with the roller through the butt joint sleeve fixing member.
[0008] As preferred, the end of the plug is fixedly connected with a magnetic plate one, and the magnetic plate one is magnetically connected with the hollow crossbar made of iron.
[0009] As preferred, the butt joint sleeve fixing member comprises a square seat, the roller is rotatably connected at the end of the square sleeve, and the square sleeve is sleeved with the square seat and gap fit.
[0010] As preferred, a spring hole is opened on the side wall of the square seat, a locking rod is sleeved in the spring hole, a spring one is connected between the locking rod and the inner bottom of the spring hole, and a lock hole is opened on the square sleeve and plugged with the locking rod.
[0011] As preferred, the driving structure comprises movable grooves opened on the two side walls of the power distribution cabinet body, two movable blocks are respectively located in the two movable grooves, a threaded rod is rotatably connected in each of the two movable grooves, a threaded hole is through-opened in each movable block and threadedly connected with the threaded rod, a motor for driving the threaded rod to rotate is fixedly installed on the bottom surface of the power distribution cabinet body, and the movable block is square in design and gap fit with the movable groove.
[0012] As preferred, the elastic damping member comprises a hollow tube, an inner rod is slidably connected in the hollow tube, a spring two is connected between the inner rod and the inner bottom of the hollow tube, and a damping structure for weakening vibration is arranged on the inner rod, the damping structure comprises a friction pad fixedly connected at the end of the inner rod, and the friction pad is in frictional contact with the inner wall of the hollow tube.
[0013] As preferred, the end of the hollow tube and the inner rod are both fixedly connected with a C-shaped tube clamp, the side wall of the movable block is fixedly connected with a U-shaped rod sleeved and clamped with the C-shaped tube clamp, a through slot is through-opened on the supporting leg plate, and a clamping rod is fixedly connected in the through slot and sleeved and clamped with the C-shaped tube clamp.
[0014] As preferred, the connecting fixing member comprises a magnetic plate two fixedly connected on the side wall of the power distribution cabinet body, and the magnetic plate two is magnetically connected with the hollow crossbar made of iron.
[0015] As preferred, the connecting fixing member further comprises a convex plate fixedly connected with the middle part of the hollow crossbar, and the U-shaped rod is sleeved and adapted with the convex plate.
[0016] Beneficial effects are that:
[0017] By clamping two C-shaped pipe clamps into the V-shaped rod and the clamping rod respectively, the movable block drives the supporting leg plate to overturn downward through the elastic damping member when moving downward, before the roller contacts the ground, the movable rod is lengthened to adjust the position of the roller, with the continuous downward movement of the movable block, the four rollers contact the ground and support the lower end of the power distribution cabinet body away from the ground, at this time, the power distribution cabinet body can be pushed to move, the position of the roller can be adjusted, so that the range of the chassis of the power distribution cabinet body is larger and has stronger supporting force, which can effectively prevent side turning, and in the moving process, the inner rod and the spring are squeezed to shrink, cooperating with the damping structure, the damping effect is achieved.
[0018] After moving, the four rollers and the two elastic damping members are taken down and put into the power distribution cabinet body, then the two supporting leg plates are turned up and fixed to the two sides of the power distribution cabinet body through the connecting and fixing members, and are stored, so that the rollers are not exposed, the outside of the power distribution cabinet body is more beautiful, and the debugging and maintenance around the power distribution cabinet body are not affected. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0020] Figure 1 is a perspective view of the present application;
[0021] Figure 2 is a perspective view of the supporting leg plate of the present application;
[0022] Figure 3 is a partial sectional perspective view of the movable rod of the present application;
[0023] Figure 4 is a sectional split perspective view of the elastic damping member of the present application;
[0024] Figure 5 is a fixed state perspective view of the present application;
[0025] Figure 6 is a perspective view of the second embodiment of the present application.
[0026] The following is an explanation of the reference signs:
[0027] 1, power distribution cabinet body; 2, leg plate; 3, hollow cross bar; 4, plug-in assembly; 401, latch hole; 402, latch; 403, positioning hole; 404, magnetic plate one; 5, butt joint sleeve fixing part; 501, square seat; 502, spring hole; 503, locking rod; 504, square sleeve; 505, lock hole; 506, spring one; 6, elastic damping part; 601, hollow tube; 602, inner rod; 603, spring two; 604, friction pad; 7, driving structure; 701, movable groove; 702, threaded rod; 703, threaded hole; 704, motor; 8, roller; 9, movable rod; 10, support leg; 11, magnetic plate two; 12, movable block; 13, U-shaped rod; 14, through slot; 15, clamping rod; 16, protruding plate; 17, C-shaped tube clamp. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model. EMBODIMENT
[0029] Referring to Figures 1-5 As shown in the figure, the utility model provides a long tunnel construction mobile power distribution cabinet, including power distribution cabinet body 1, both sides bottom of power distribution cabinet body 1 are rotatably connected with leg plate 2, the bottom surface four corners of power distribution cabinet body 1 are fixedly connected with support leg 10, the end of two leg plates 2 is fixedly connected with hollow cross bar 3, the inside both sides of hollow cross bar 3 are slidably connected with movable rod 9, and the both ends of hollow cross bar 3 are equipped with plug-in assembly 4 for fixing the movable position of movable rod 9, the end of two movable rods 9 is detachably installed with roller 8, both side walls of power distribution cabinet body 1 are equipped with movable block 12, the bottom surface both sides of power distribution cabinet body 1 are equipped with driving structure 7 for driving movable block 12 to adjust up and down, and detachably installed with elastic damping part 6 between movable block 12 and leg plate 2, both sides of power distribution cabinet body 1 are equipped with connecting fixing part for fixing hollow cross bar 3.
[0030] As an optional embodiment, the plug-in assembly 4 comprises a plug hole 401 opened at the end of the hollow crossbar 3, a plug 402 is plugged into the plug hole 401, a plurality of positioning holes 403 are opened on the movable rod 9 and are plugged with the plug 402, the hollow crossbar 3 and the movable rod 9 are both square in design and are gap-fitted, the end of the movable rod 9 is detachably connected with the roller 8 through the butt joint sleeve fixing piece 5, the end of the plug 402 is fixedly connected with a magnetic plate one 404, the magnetic plate one 404 is magnetically connected with the hollow crossbar 3 made of iron, before the roller 8 contacts the ground, the movable rod 9 is pulled to a suitable position, the plug 402 is simultaneously plugged into the plug hole 401 and the positioning hole 403, the position of the movable rod 9 is fixed, the plug 402 is prevented from falling off under the magnetic force, the width of the roller 8 is adjusted by adjusting the position of the movable rod 9, so that the chassis of the power cabinet body 1 has stronger supporting force and can effectively prevent side turning.
[0031] Referring to Figure 3 The butt joint sleeve fixing piece 5 comprises a square seat 501, the roller 8 is rotatably connected at the end of the square sleeve 504, the square sleeve 504 is sleeved with the square seat 501 and is gap-fitted, a spring hole 502 is opened on the side wall of the square seat 501, a locking rod 503 is sleeved in the spring hole 502, a spring one 506 is connected between the locking rod 503 and the inner bottom of the spring hole 502, and a lock hole 505 is opened on the square sleeve 504 and is plugged with the locking rod 503, when the roller 8 is installed, the locking rod 503 is pressed to extrude the spring one 506 and retract into the spring hole 502, at this time, the square sleeve 504 can be smoothly sleeved on the square seat 501, with the continuous pushing of the square sleeve 504, until the lock hole 505 is aligned with the locking rod 503, the locking rod 503 is inserted into the lock hole 505 under the elastic force of the spring one 506, the installation of the roller 8 is completed, when it is removed, the roller 8 can be removed by pressing the locking rod 503.
[0032] Referring to Figure 5 The driving structure 7 comprises movable grooves 701 opened on the two side walls of the power cabinet body 1, two movable blocks 12 are respectively located in the two movable grooves 701, threaded rods 702 are rotatably connected in the two movable grooves 701, threaded holes 703 are opened in the movable blocks 12 and are threadedly connected with the threaded rods 702, a motor 704 is fixedly installed on the bottom surface of the power cabinet body 1 and is used to drive the threaded rods 702 to rotate, the movable blocks 12 are square in design and are gap-fitted with the movable grooves 701, the threaded rods 702 are controlled to rotate by the motor 704, the movable blocks 12 are threadedly connected with the threaded rods 702, the movable blocks 12 cannot rotate due to being limited by the movable grooves 701 and are thus moved downward, the four rollers 8 are brought into contact with the ground and the lower end supporting leg 10 of the power cabinet body 1 is lifted off the ground by adjusting the height of the movable blocks 12, at this time, the power cabinet body 1 can be pushed to move.
[0033] Referring to Figure 4 As shown, the elastic damping member 6 includes a hollow tube 601, and an inner rod 602 is slidingly connected in the hollow tube 601. The inner rod 602 is connected with a spring 603 between the inner bottom of the hollow tube 601. The inner rod 602 is provided with a damping structure for weakening the vibration. The damping structure includes a friction pad 604 fixedly connected to the end of the inner rod 602, and the friction pad 604 is in frictional contact with the inner wall of the hollow tube 601. When the power cabinet body 1 moves by relying on the rollers 8, the rugged road surface extrudes the supporting leg plate 2, and at the same time drives the inner rod 602 to slide in the hollow tube 601, extrudes the spring 603, and the spring 603 buffers the impact force vibration. At the same time that the inner rod 602 moves, the friction pad 604 and the inner wall of the hollow tube 601 rub to generate resistance, achieving the damping effect of weakening the vibration, so that the power cabinet body 1 extrudes the inner rod 602 and the spring 603 to shrink during the movement process, cooperating with the damping structure, achieving the damping effect.
[0034] Referring to Figure 4 As shown, the end of the hollow tube 601 and the inner rod 602 is fixedly connected with a C-shaped tube clamp 17, and the side wall of the movable block 12 is fixedly connected with a U-shaped rod 13 which is sleeved with the C-shaped tube clamp 17. The supporting leg plate 2 is provided with a through groove 14, and the through groove 14 is fixedly connected with a clamping rod 15 which is sleeved with the C-shaped tube clamp 17. By clamping the two C-shaped tube clamps 17 into the U-shaped rod 13 and the clamping rod 15 respectively, at this time the elastic damping member 6 is located between the movable block 12 and the supporting leg plate 2, providing the damping effect for the movement of the power cabinet body 1. The design of the C-shaped tube clamp 17 can realize the rotation of the end of the elastic damping member 6 with the U-shaped rod 13 as the shaft, and the clamping rod 15 is the same. Under the action of the downward pressure of the power cabinet body 1, the elastic damping member 6 is prevented from falling off, and at the same time it is convenient to take off from the U-shaped rod 13 for storage.
[0035] Referring to Figure 5 As shown, the connecting and fixing member includes a magnetic plate two 11 fixedly connected to the side wall of the power cabinet body 1. The magnetic plate two 11 is magnetically connected with the hollow horizontal rod 3 of iron. After moving, the four rollers 8 and the two elastic damping members 6 are taken down and put into the power cabinet body 1. Then the two supporting leg plates 2 are turned up and are magnetically adsorbed by the magnetic plate two 11, and are fixed to the two sides of the power cabinet body 1 for storage.
[0036] In use, the two side leg plates 2 are turned over, the hollow cross bar 3 is separated from the second magnetic plate 11, then the two C-shaped pipe clamps 17 are respectively clamped on the V-shaped rods 13 and the clamping rods 15, at this time the elastic shock absorbers 6 are located between the movable blocks 12 and the leg plates 2, the movable blocks 12 are moved downward by the threaded rods 702 controlled by the motor 704, the movable rods 9 are elongated to the appropriate position before the rollers 8 contact the ground and are fixed by the plug-in assembly 4, then the square sleeve 504 is sleeved and fixed on the square seat 501, the installation of the rollers 8 is completed, with the continuous downward movement of the movable blocks 12, the four rollers 8 contact the ground and support the lower end feet 10 of the power distribution cabinet body 1 away from the ground, at this time the power distribution cabinet body 1 can be pushed and moved, after the movement is completed, the four rollers 8 and the two elastic shock absorbers 6 are taken down and put into the power distribution cabinet body 1, then the two leg plates 2 are turned up and fixed on the two sides of the power distribution cabinet body 1 by the connecting and fixing pieces, and the storage is completed. Embodiment
[0037] Referring to Figure 6 As shown, the connecting and fixing pieces further include a protruding plate 16 fixedly connected to the middle part of the hollow cross bar 3, and the V-shaped rods 13 are sleeved and matched with the protruding plate 16, when the power distribution cabinet body 1 cannot use the second magnetic plate 11 and other magnetic field related devices, the protruding plate 16 can be designed, when the leg plates 2 are turned to the top, the movable blocks 12 and the V-shaped rods 13 are moved downward controlled by the motor 704, and are sleeved outside the protruding plate 16, the limiting and fixing of the leg plates 2 are completed.
[0038] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A long tunnel construction mobile power distribution cabinet, characterized in that: The utility model provides a kind of power distribution cabinet, including power distribution cabinet body (1), the bottom of both sides of power distribution cabinet body (1) is rotatably connected with support leg plate (2), the bottom of power distribution cabinet body (1) is fixedly connected with support leg (10) in four corners, the end of two support leg plate (2) is fixedly connected with hollow cross bar (3), the inside of hollow cross bar (3) is slidably connected with movable rod (9), and hollow cross bar (3) is equipped with the plug-in assembly (4) for fixing movable rod (9) moving position in both ends, the end of two movable rod (9) is detachably installed with gyro wheel (8), the both sides of power distribution cabinet body (1) are equipped with movable block (12), the bottom of power distribution cabinet body (1) is equipped with the drive structure (7) for driving movable block (12) up and down adjustment on both sides, and movable block (12) and support leg plate (2) are detachably installed with elastic damping member (6), the both sides of power distribution cabinet body (1) are equipped with the connecting fixing piece for fixing hollow cross bar (3).
2. A mobile power distribution cabinet for long tunnel construction according to claim 1, characterized in that: The plug-in assembly (4) includes a pin hole (401) opened in the end of the hollow cross bar (3), the pin hole (401) is plugged with a pin (402), a plurality of positioning holes (403) are opened in the movable rod (9) and plugged with the pin (402), the hollow cross bar (3) and the movable rod (9) are both square in design and gap fit, the end of the movable rod (9) is detachably connected with the gyro wheel (8) through a butt joint sleeve fixing piece (5).
3. A mobile power distribution cabinet for long tunnel construction according to claim 2, characterized in that: The end of the pin (402) is fixedly connected with a magnetic plate (404), the magnetic plate (404) is magnetically connected with the hollow cross bar (3) made of iron.
4. The mobile power distribution cabinet for long tunnel construction of claim 2, wherein: The butt joint sleeve fixing piece (5) includes a square seat (501), the gyro wheel (8) is rotatably connected to the end of a square sleeve (504), and the square sleeve (504) is sleeved with the square seat (501) and gap fit.
5. A mobile power distribution cabinet for long tunnel construction according to claim 4, characterized in that: A spring hole (502) is opened in the sidewall of the square seat (501), a locking rod (503) is sleeved in the spring hole (502), a spring (506) is connected between the locking rod (503) and the inner bottom of the spring hole (502), and a lock hole (505) is opened in the square sleeve (504) and plugged with the locking rod (503).
6. The mobile power distribution cabinet for long tunnel construction of claim 1, wherein: The drive structure (7) includes a movable recess (701) opened in the both sidewalls of the power distribution cabinet body (1), and two movable blocks (12) are respectively located in the two movable recesses (701), a threaded rod (702) is rotatably connected in the two movable recesses (701), and a threaded hole (703) is opened in the movable block (12) and threadedly connected with the threaded rod (702), a motor (704) is fixedly installed on the bottom of the power distribution cabinet body (1) to drive the threaded rod (702) to rotate, and the movable block (12) is square in design and gap fit with the movable recess (701).
7. The mobile power distribution cabinet for long tunnel construction of claim 1, wherein: The elastic shock-absorbing piece (6) comprises a hollow tube (601), an inner rod (602) is slidably connected in the hollow tube (601), spring two (603) is connected between the inner rod (602) and the inner bottom of the hollow tube (601), damping structure for weakening vibration is arranged on the inner rod (602), the damping structure comprises a friction pad (604) fixedly connected to the end of the inner rod (602), and the friction pad (604) is in frictional contact with the inner wall of the hollow tube (601).
8. A mobile power distribution cabinet for long tunnel construction according to claim 7, characterized in that: The end of the hollow tube (601) and the inner rod (602) is fixedly connected with a C-shaped tube clamp (17), the side wall of the movable block (12) is fixedly connected with a U-shaped rod (13) sleeved with the C-shaped tube clamp (17), a through slot (14) is formed in the support leg plate (2), and a clamping rod (15) sleeved with the C-shaped tube clamp (17) is fixedly connected in the through slot (14).
9. A mobile power distribution cabinet for long tunnel construction according to claim 8, characterized in that: The connecting and fixing piece comprises a magnetic plate two (11) fixedly connected to the side wall of the power distribution cabinet body (1), and the magnetic plate two (11) is magnetically connected with the hollow horizontal rod (3) made of iron.
10. The mobile power distribution cabinet for long tunnel construction of claim 9, wherein: The connecting and fixing piece further comprises a convex plate (16) fixedly connected to the middle part of the hollow horizontal rod (3), and the U-shaped rod (13) is sleeved with the convex plate (16).