A busbar plug-in box maintenance lifting work platform
By designing a busbar connector box maintenance lifting platform with a two-wheeled frame, a liftable seat, and an L-shaped support frame, the problems of inconvenient movement and stability in narrow spaces were solved. This resulted in a high-level maintenance platform that is flexible in movement and safe in lifting, improving the efficiency and safety of electrical maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIGUNA TECH (GUANGZHOU) CO LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-05-26
Smart Images

Figure CN224279696U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to auxiliary equipment for electrical maintenance work, and more particularly to a lifting work platform for the maintenance of busbar junction boxes. Background Technology
[0002] Electrical connection equipment is typically housed in server racks within a computer room, and multiple racks may be arranged side-by-side or even in multiple rows. To maximize rack utilization, the height of most racks exceeds human height. Maintenance personnel must frequently move ladders or erect scaffolding to maintain this high-positioned electrical equipment, requiring them to navigate through densely packed racks, making operation difficult and inefficient. Ladders or scaffolding are also difficult to use stably in confined spaces, posing safety hazards, especially when working at heights, as they are prone to tilting or slipping, demonstrating poor stability.
[0003] In addition, while fixed lifting platforms can provide a certain height for auxiliary work, they are large in size and require advance setup, making them difficult to move flexibly in narrow passages between electrical cabinets and unsuitable for rapid maintenance needs. Fixed platforms are also inconvenient to move and occupy a lot of space, making them unsuitable for temporary maintenance needs in small and medium-sized power distribution sites. Small electric lifting platforms, while movable, cannot provide adequate fixed support and lack stability during lifting. Summary of the Invention
[0004] In view of the shortcomings of the existing technology, the technical problem to be solved by this utility model is to provide a busbar plug-in box maintenance lifting work platform that can be flexibly and quickly moved into narrow passages, provide stable support, and safely raise to a certain height so that operators can climb to the height of the distribution cabinet / busbar plug-in box for maintenance.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a busbar plug-in box maintenance lifting platform, which includes a two-wheeled frame with a front fork, a rear fork and a handlebar, a front wheel mounted on the front fork, a rear wheel mounted on the rear fork, a liftable seat mounted on the top side of the middle of the frame, and two L-shaped support frames respectively hinged to the front fork and the rear fork. The support frame includes a U-shaped and open pressure beam that exceeds the wheel opening, and a support rod with one end fixedly connected to the end of the pressure beam and the other end hinged to the front fork or the rear fork of the frame.
[0006] As an improvement to the technical solution of the busbar plug-in box maintenance lifting platform of this utility model, at least one of the support frames is provided with rollers located at the end of the pressure-bearing beam.
[0007] As an improvement to the technical solution of the busbar plug-in box maintenance lifting platform of this utility model, the support frame is provided with a connecting rod at both ends, which is fixedly connected to the middle part of the support rod and the middle part of the pressure beam; the tail section of the pressure beam is raised.
[0008] As an improvement to the technical solution of the busbar plug box maintenance lifting platform of this utility model, the lower end spacing of the support rod is wider to form a figure-eight shaped diagonal brace; the left side of the frame is provided with a diagonal support and a single-sided foot support that can be lifted.
[0009] As an improvement to the technical solution of the busbar plug-in box maintenance lifting work platform of this utility model, the liftable seat includes a lifting frame and a seat fixedly installed on the lifting frame. The seat includes a base and a face seat hinged to the front end of the base. The face seat can be flipped up to form an extended platform with the base. The plane of the extended platform is provided with anti-slip texture.
[0010] As an improvement to the technical solution of the busbar plug-in box maintenance lifting work platform of this utility model, the liftable seat includes a lifting frame and a seat fixedly installed on the lifting frame. The seat includes a seat frame body, a face seat hinged to the front end of the seat frame body, and a backrest hinged to the rear end of the seat frame body and capable of stable tilting. The face seat can be flipped forward, and the backrest can be folded forward to the position where the face seat is flipped up to form an extended platform. The surface of the extended platform is provided with anti-slip texture.
[0011] As an improvement to the technical solution of the busbar plug-in box maintenance lifting platform of this utility model, the lifting frame includes a base frame and a top frame, two support rods that are cross-hinged in the middle between the base frame and the top frame, and an electric cylinder that drives the bottom ends of the two support rods to retract, thereby lifting the top frame.
[0012] As an improvement to the technical solution of the busbar plug-in box maintenance lifting work platform of this utility model, the frame is equipped with a power supply, a controller electrically connected to the power supply, and a remote control or wired controller that is communicatively connected to the controller, and the electric cylinder is electrically connected to the controller.
[0013] As an improvement to the technical solution of the busbar plug-in box maintenance lifting work platform of this utility model, the seat is equipped with a telescopic rod, and the front side of the telescopic rod is provided with a hook.
[0014] As an improvement to the technical solution of the busbar connector box maintenance lifting platform of this utility model, a middle step is provided in the middle of the frame.
[0015] The beneficial effects of this utility model are as follows: The two-wheeled frame of the busbar junction box maintenance lifting platform is equipped with a front wheel mounted on the front fork and a rear wheel mounted on the rear fork, allowing it to move flexibly and quickly into narrow passages for use; in addition, the height-adjustable seat can be driven to raise to a certain height, allowing the operator to climb to higher positions of the distribution cabinet / busbar junction box for maintenance; at the same time, two L-shaped support frames are respectively hinged to the front and rear forks, and the support frames swing downwards to be positioned on both sides and below the front and rear wheels to support the frame; the U-shaped load-bearing beam opens and wide to form a large-span support range, and also provides a certain span support range in the length direction. The load-bearing beam supports the frame through the support rod, thereby providing stable support for the entire work platform, thus safely raising it to a certain height, and providing sufficient stable support after raising, making it convenient to stand on the work platform for operation. Attached Figure Description
[0016] Figure 1 This is a side structural schematic diagram of the first embodiment of the busbar plug-in box maintenance lifting work platform of this utility model.
[0017] Figure 2 for Figure 1 The diagram shows a lateral structure of the busbar connector box maintenance lifting platform, where the lifting frame is retracted and the rear support frame is flipped up.
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of a single support frame.
[0019] Figure 4 This is a side structural schematic diagram of the second embodiment of the busbar plug-in box maintenance lifting work platform of this utility model. Detailed Implementation
[0020] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings.
[0021] like Figure 1 , Figure 2 , Figure 3As shown, this utility model discloses a busbar connector box maintenance lifting platform, which includes a two-wheeled frame 11 with a front fork 12, a rear fork 13 and a handlebar 15, a front wheel 22 mounted on the front fork 12, a rear wheel 23 mounted on the rear fork 13, a liftable seat 51 mounted on the top side of the middle part of the frame 11, and two L-shaped support frames 31 respectively hinged to the front fork 12 and the rear fork 13. The support frame 31 includes a U-shaped and open pressure beam 32 that exceeds the wheel opening, and a support rod 33 with one end fixedly connected to the end of the pressure beam 32 and the other end hinged to the front fork 12 or the rear fork 13 of the frame. The two-wheeled frame 11 of the busbar junction box maintenance lifting platform is equipped with a front wheel 22 mounted on a front fork 12 and a rear wheel 23 mounted on a rear fork 13, allowing it to move flexibly and quickly into narrow passages for use. Additionally, the liftable seat 51 can be driven to a certain height, allowing the operator to access and maintain higher positions of the distribution cabinet / busbar junction box. Simultaneously, two L-shaped support frames 31 are hinged to the front fork 12 and rear fork 13 respectively, and the support frames 31 are swung downwards to position them on either side and below the front wheel 22 and rear wheel 23, providing support for the frame 11. The U-shaped load-bearing beam 32, with its wide opening, provides a support span of considerable width and length. The load-bearing beam supports the frame 11 via the support rod 33, thus supporting the entire work platform. The front and rear support frames 31, through the front fork 12 and rear fork 13, provide stable and balanced support to the frame 11, allowing the work platform to be safely raised to a certain height and providing sufficient stability for operation while standing on it. The front support frame 31 swings forward and upward, while the rear support frame 31 swings backward and upward, held taut by a spring 39 and equipped with a limit position stopping mechanism to ensure the support frames 31 remain in a stable state, without obstructing the movement of the busbar connector box maintenance lifting work platform. The handle 15 is fixedly connected to the upper end of the front fork 12 on the frame 11.
[0022] Among them, such as Figure 2 , Figure 3 As shown, at least one support frame 31 is equipped with rollers 36 located at the ends of the load-bearing beam 32. The support frame 31 without rollers 36 is first pushed down so that the end of its load-bearing beam 32 abuts the ground. Then, the frame is lifted by the support rod 33. Next, the support frame 31 with rollers 36 is pushed down. The rolling of the rollers 36 prevents sliding friction on the ground, ensuring that the frame 11 does not move during the pressing process, thus maintaining its position and preventing deviation from the stopping position that could hinder subsequent use. If both support frames 31 are equipped with rollers 36, there is no need to distinguish the order in which they are pressed down, and it provides better protection for the ground, preventing damage.
[0023] Furthermore, the support frame 31 is equipped with connecting rods 35 that are fixedly connected at both ends to the middle of the support rod 33 and the middle of the pressure beam 32, respectively, making the support frame 31 stronger and thus providing more stable, firm, and reliable support. The tail section of the pressure beam 32 is raised, making it easy to press down or lift by hand.
[0024] The wider spacing at the lower ends of the support rods 33 forms a V-shaped diagonal brace, allowing for a larger span in the width direction at the lower support point and reducing the risk of the frame tipping over when operating on the platform. The left side of the frame 11 is equipped with a diagonal support 16 that can be raised to avoid scraping the ground. When the frame 11, along with the entire maintenance lifting platform, moves to the target position, the single-sided support 16 can be flipped down to allow the frame 11 to stand in a basically vertical position. After stopping, the operation of the front and rear support frames 31 can continue, making the operation process stable and convenient.
[0025] Among them, such as Figure 1 , Figure 2 As shown, the height-adjustable seat 51 includes a lifting frame 62 and a seat 52 fixedly installed on the lifting frame 62. The seat 52 includes a base 53 and a seat 55 hinged to the front end of the base. The seat 55 can be flipped up to form an extended platform with the base 53. The surface of the extended platform is provided with anti-slip texture.
[0026] Among them, such as Figure 4 As shown, the height-adjustable seat 51 includes a lifting frame 62 and a seat 52a fixedly installed on the lifting frame 62. The seat 52a includes a seat frame body, a seat 58 hinged to the front end of the seat frame body, and a backrest 59 hinged to the rear end of the seat frame body and capable of stable tilting. The seat 58 can be flipped forward, and the backrest 59 can be folded forward to the open position where the seat 58 is flipped up, thereby forming an extended platform. The surface of the extended platform is provided with anti-slip texture.
[0027] Furthermore, such as Figure 1 , Figure 4As shown, the lifting frame 62 includes a base frame 65 and a top frame 66, two cross-hinged support rods 63 located between the base frame 65 and the top frame 66, and an electric cylinder 68 that drives the bottom ends of the two support rods 63 to retract, thereby lifting the top frame. When the bottom ends of the two cross-hinged support rods 63 are pulled together, the upper ends of the two support rods 63 are lifted upwards, thereby separating the top frame 66 from the base frame 65 and lifting the top frame 66 a distance, allowing the seat to be raised as a higher standing platform. To increase the lifting height of the lifting frame 62, two or more lifting frames 62 can be stacked vertically to form a combined lifting frame. Alternatively, two cross-hinged support rod groups can be arranged vertically, each group including two support rods 63 hinged to each other at the middle; the ends of the support rods in the two groups are hinged to each other at the middle and a hinge shaft is provided. An electric cylinder is provided at the shaft to change the distance between the two shafts at both ends, thereby controlling the lifting action of the lifting frame 62.
[0028] Furthermore, such as Figure 1 , Figure 2 , Figure 4 As shown, the frame 11 is equipped with a power supply 26, a controller (not shown) electrically connected to the power supply, and a remote control or wired controller 25 communicatively connected to the controller. The electric cylinder 68 is electrically connected to the controller. The lifting frame 62 can be controlled to raise and lower the work platform that converts the seat / seat into a working platform by operating the remote control or wired controller 25. The power supply 26 provides electrical energy, and the controller controls the delivery of electrical energy and controls whether the electric cylinder 68 outputs in the forward or reverse direction, thereby controlling the raising and lowering of the seat. The frame can also be equipped with an operation panel communicatively connected to the controller and fixed to the frame 11, and a headlight 27 electrically connected to the controller. The panel can be used to turn on the headlight 27 for illumination and to control the raising and lowering of the seat, facilitating use when multiple people are working.
[0029] Furthermore, a telescopic rod 82 is installed on the side or rear of the seat 52 / 52a, and a hook 83 is provided on the front side of the telescopic rod 82, which facilitates placing tools at a higher position for later use, thereby having an auxiliary tool hanging function, so that maintenance personnel do not need to carry additional tools, making operation convenient.
[0030] The frame 11 includes a central step 18 to assist maintenance personnel in climbing onto the work platform. The seat / work platform is typically about 70cm above the ground when lowered, making it difficult to climb onto in one step. The central step 18 allows for easy access to the work platform without the need for other tools.
[0031] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the scope of the present utility model application shall still fall within the scope of the present utility model.
Claims
1. A bus plug-in box maintenance lifting work platform, characterized in that: The bicycle includes a two-wheeled frame with a front fork, a rear fork, and handlebars; a front wheel mounted on the front fork; a rear wheel mounted on the rear fork; a height-adjustable seat mounted on the top side of the middle of the frame; and two L-shaped support frames respectively hinged to the front fork and the rear fork. Each support frame includes a U-shaped, open pressure beam that allows the wheel to open, and a support rod with one end fixedly connected to the end of the pressure beam and the other end hinged to the front fork or the rear fork of the frame.
2. The bus plug box maintenance lifting work platform according to claim 1, characterized in that: At least one of the support frames is provided with rollers located at the ends of the load-bearing beams.
3. The bus plug box maintenance lifting work platform according to claim 2, characterized in that: The support frame is provided with connecting rods at both ends that are fixedly connected to the middle of the support rod and the middle of the pressure beam; the tail section of the pressure beam is raised.
4. The bus plug box maintenance lifting work platform according to claim 1, characterized in that: The lower ends of the support rods are spaced further apart to form a figure-eight shaped diagonal brace; the left side of the frame is provided with a diagonal support and a single-sided foot support that can be lifted.
5. The bus plug box maintenance lifting platform according to claim 1, characterized in that: The height-adjustable seat includes a lifting frame and a seat fixedly installed on the lifting frame. The seat includes a base and a seat hinged to the front end of the base. The seat can be flipped up to form an extended platform with the base. The surface of the extended platform is provided with anti-slip texture.
6. The bus plug box maintenance lifting platform according to claim 1, characterized in that: The height-adjustable seat includes a lifting frame and a seat fixedly installed on the lifting frame. The seat includes a seat frame, a seat hinged to the front end of the seat frame, and a backrest hinged to the rear end of the seat frame and capable of stable tilting. The seat can be flipped forward, and the backrest can be folded forward to the position where the seat is flipped up, thus forming an extended platform. The surface of the extended platform is provided with anti-slip texture.
7. The busbar connector box maintenance lifting platform according to claim 5 or 6, characterized in that: The lifting frame includes a base frame and a top frame, two struts that are cross-hinged in the middle between the base frame and the top frame, and an electric cylinder that drives the bottom ends of the two struts to retract, thereby lifting the top frame.
8. The busbar plug-in box maintenance lifting platform according to claim 7, characterized in that: The frame is equipped with a power supply, a controller electrically connected to the power supply, and a remote control or wired controller that is communicatively connected to the controller. The electric cylinder is electrically connected to the controller.
9. The busbar plug-in box maintenance lifting platform according to claim 5 or 6, characterized in that: The seat is equipped with a telescopic rod, and a hook is provided on the front side of the telescopic rod.
10. The busbar plug-in box maintenance lifting platform according to claim 1, characterized in that: The frame has a central foot pedal.