Maintenance platform for routine test of transformer substation

Abstract

The utility model relates to the technical field of maintenance platforms, and particularly discloses a maintenance platform for a transformer substation routine test, a bidirectional screw rod is rotatably connected in a tool box placing table, two rectangular slide blocks are slidably connected in the tool box placing table, a worker carries a tool box body into a platform top plate, and the tool box body is placed in the platform top plate. At the moment, the tool box body is placed on the surface of the upper end of a slidable tool box placing table, a bidirectional lead screw is held and screwed, the bidirectional lead screw is in threaded connection with two rectangular sliding blocks, and the two rectangular sliding blocks are driven to slide oppositely by screwing the bidirectional lead screw; the two rectangular sliding blocks sliding oppositely drive the four cambered surface clamping blocks to be attached to the periphery of the tool box body so as to complete clamping and fixing, a worker needs to move on the platform top plate in the overhauling process, the worker can hold the tool box containing table with the pull rod to drive the tool box body to slide before moving, stable containing management is guaranteed, and meanwhile the working efficiency is improved. The device has high flexibility and can move along with workers.

Description

Technical Field

[0001] This utility model relates to the field of maintenance platform technology, and in particular to a maintenance platform for routine testing in substations. Background Technology

[0002] Disconnect switches, as crucial equipment in power systems, primarily function to create a clear disconnect point during equipment maintenance, isolating the equipment under maintenance from operating equipment. Currently, in 110kV substations, disconnect switches play a vital role in grid operation. Substations require regular routine testing and inspection of disconnect switches, including grounding resistance testing, insulation resistance testing of the switch body, disconnectors, and bushings, voltage transformer insulation resistance, disconnect switch inspection and maintenance, and disconnect switch replacement and installation. When replacing or installing disconnect switches, a testing platform is needed. Substation routine testing and maintenance platforms primarily provide a liftable operating platform for routine testing and maintenance work, enabling maintenance personnel to safely and efficiently reach equipment at different heights for testing, maintenance, and repair of various electrical equipment. In routine testing and maintenance scenarios for large equipment in substations, such as transformers and high-voltage switchgear, the maintenance platform plays a crucial role, ensuring that maintenance personnel can easily access all parts of the equipment and guaranteeing the stable operation of the power system. Currently, substation routine testing and maintenance platforms typically require the following technologies in practical applications:

[0003] 1. Stable and reliable lifting drive technology can accurately control the lifting height of the platform to meet the maintenance height requirements of different equipment;

[0004] 2. Robust and durable structural materials to withstand the weight of maintenance personnel, tools and equipment, and to adapt to the complex working environment inside the substation;

[0005] 3. Flexible mobility technology facilitates the movement of the platform between different areas within the substation;

[0006] 4. Effective safety protection technology ensures the personal safety of maintenance personnel when working on the platform.

[0007] Currently, various equipment and methods are used to realize the functions of routine testing and maintenance platforms in substations. Some maintenance platforms adopt scissor lift structures, raising and lowering the platform by extending and retracting the scissor arms; this method is relatively simple to operate and has low cost. Other platforms use hydraulic lifting systems, utilizing hydraulic oil pressure to drive the platform up and down, providing greater load-bearing capacity. In addition, some platforms are equipped with rail-mounted moving devices, allowing them to move along pre-set tracks within the substation, ensuring precise movement.

[0008] However, the above method has a prominent hardware structure problem. When carrying out maintenance work, workers need to use power tools, electrical testing tools and manual tools to maintain the equipment in the substation. However, the existing device usually only places the toolbox on the maintenance platform. It lacks a placement function that can flexibly follow the workers and can be stably clamped. When workers maintain equipment at different positions on the platform, they have to go back and forth between the toolbox and the work point every time they need to retrieve a tool, which wastes a lot of time. Moreover, the flexible placement of the toolbox increases the management difficulty. Utility Model Content

[0009] To address the shortcomings of existing technologies, this utility model provides a maintenance platform for routine testing in substations. This solves the problem that when performing maintenance work, workers need to use power tools, electrical testing tools, and manual tools to maintain equipment in substations. However, existing devices typically only place the toolbox on the maintenance platform, lacking a flexible placement function that can follow workers and be stably clamped. When workers maintain equipment at different locations on the platform, they have to travel back and forth between the toolbox and the work point each time they need to retrieve tools, which wastes a lot of time. Furthermore, the flexible placement of the toolbox increases the technical difficulty of management.

[0010] To achieve the above objectives, this utility model provides the following technical solution:

[0011] A routine testing and maintenance platform for a substation includes a platform top plate. A support mechanism for moving a toolbox is installed inside the platform top plate. The support mechanism includes a toolbox placement platform slidably connected to the inner surface of the platform top plate. A clamping mechanism for holding and fixing the toolbox is installed inside the toolbox placement platform. The clamping mechanism includes a bidirectional lead screw, two rectangular sliders, and four arc-shaped clamping blocks. The bidirectional lead screw is rotatably connected inside the toolbox placement platform. Both rectangular sliders are slidably connected inside the toolbox placement platform and threadedly connected to the outer surface of the bidirectional lead screw. The four arc-shaped clamping blocks are respectively fixedly connected to the outer surfaces of the two rectangular sliders. Two T-shaped limiting rods are installed inside the toolbox placement platform.

[0012] Preferably, the top plate of the platform has a set of rectangular through slots inside, and both T-shaped limiting rods are set inside the set of rectangular through slots.

[0013] Preferably, the toolbox body is provided at the upper end of the toolbox placement platform, and the four curved clamping blocks are all in contact with the outer surface of the toolbox body.

[0014] Preferably, the toolbox body is rotatably connected to a lid, and two magnet blocks are fixedly connected inside the lid.

[0015] Preferably, a spherical slide rod is fixedly connected to the lower end of the toolbox placement platform, and the spherical slide rod is slidably connected inside the top plate of the platform.

[0016] Preferably, the toolbox placement platform has a sliding groove inside, and the inner surface of the platform top plate is fixedly connected with a slide rail.

[0017] Preferably, the chute is slidably connected to the outer surface of the slide rail, and an inclined step is fixedly connected inside the top plate of the platform.

[0018] Preferably, the lower end of the platform top plate is provided with a scissor lift device body, and a set of casters is fixedly connected to the lower end of the scissor lift device body.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The worker carries the toolbox body into the top plate of the platform. At this time, the toolbox body is placed on the upper surface of the sliding toolbox placement platform. The worker holds and screws the two-way lead screw, which is threadedly connected to two rectangular sliders. By screwing the two-way lead screw, the two rectangular sliders slide in opposite directions. The two opposing rectangular sliders drive the four arc-shaped clamps to fit against the four sides of the toolbox body, thereby completing the clamping and fixing. During the maintenance process, if the worker needs to move on the top plate of the platform, he can hold the toolbox placement platform with the pull rod to slide the toolbox body before moving it. This ensures stable placement and management while providing strong flexibility, allowing it to move with the worker.

[0021] 2. The toolbox body is connected to a rotating lid inside. Two magnetic blocks are fixedly connected inside the lid. During maintenance operations, the magnetic blocks can be used to place metal tools. The magnetic blocks attract metal tools, making it convenient for workers to take them out. Sometimes workers need to operate with one hand while using the other hand to support the equipment or perform other auxiliary actions. The way the magnetic blocks fix the metal tools allows workers to easily take out the tools with one hand, enhancing operational flexibility. Attached Figure Description

[0022] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a connection structure diagram of the toolbox placement platform of this utility model;

[0025] Figure 3 This is a diagram showing the connection structure of the toolbox body of this utility model;

[0026] Figure 4 This is an exploded view of the rectangular slider connection of this utility model.

[0027] Legend: 11. Platform top plate; 12. Toolbox placement table; 13. Two-way lead screw; 14. Rectangular slider; 15. Arc-shaped clamp; 16. T-shaped limit rod; 17. Rectangular through groove; 18. Toolbox body; 19. Box cover; 21. Magnet block; 22. Spherical slide bar; 23. Slide groove; 24. Slide rail; 25. Angled pedal; 26. Scissor lift device body; 27. Casters. Detailed Implementation

[0028] This application provides a maintenance platform for routine testing in substations, effectively solving the problem that workers need to use power tools, electrical testing tools, and manual tools to maintain equipment in substations. However, existing devices typically only place the toolbox on the maintenance platform, lacking a flexible and stable clamping function that can follow the worker. When workers maintain equipment at different locations on the platform, they have to travel back and forth between the toolbox and the work point each time they need to retrieve a tool, wasting a lot of time. Furthermore, the flexible placement of the toolbox increases management difficulty. The worker carries the toolbox into the top plate of the platform and places it on the upper surface of the sliding toolbox placement platform. They then hold and turn a two-way lead screw, which is threadedly connected to two rectangular sliders. Turning the two-way lead screw causes the two rectangular sliders to slide in opposite directions. The two opposing rectangular sliders cause four arc-shaped clamping blocks to fit around the toolbox, thus clamping and fixing it. During maintenance, if the worker needs to move on the top plate of the platform, they can hold the toolbox placement platform with a pull rod to slide the toolbox before moving it. This ensures stable placement and management while providing strong flexibility, allowing the toolbox to follow the worker's movements.

[0029] Example

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the technical solution in this application embodiment effectively solves the problem that workers need to use power tools, power testing tools, and manual tools to repair equipment in substations during maintenance work. However, existing devices typically only place the toolbox on the maintenance platform, lacking a flexible placement function that can follow the worker and be stably clamped. When workers repair equipment at different locations on the platform, they need to travel back and forth between the toolbox and the work point each time they need to retrieve tools, which wastes a lot of time. Furthermore, the flexible placement of the toolbox increases the management difficulty. The overall idea is as follows: A maintenance platform for routine testing in a substation includes a platform top plate 11. The platform top plate 11 is equipped with a support mechanism for moving the toolbox. The support mechanism includes a toolbox placement platform 12. The toolbox placement platform 12 is slidably connected to the inner surface of the platform top plate 11. The toolbox placement platform 12 is equipped with a clamping mechanism for holding and fixing the toolbox. The clamping mechanism includes a bidirectional lead screw 13, two rectangular sliders 14, and four arc-shaped clamping blocks 15. The bidirectional lead screw 13 is rotatably connected inside the toolbox placement platform 12. Both rectangular sliders 14 are slidably connected inside the toolbox placement platform 12 and threadedly connected to the outer surface of the bidirectional lead screw 13. The four arc-shaped clamping blocks 15 are respectively fixedly connected to the outer surfaces of the two rectangular sliders 14. The toolbox placement platform 12 is equipped with two T-shaped limiting rods 16. The platform top plate 11 has a set of rectangular through slots 17. The two T-shaped limiting rods 16 are both located within the rectangular through slots 17. Workers step onto the surface of the platform top plate 11, which can be raised and lowered to transport them to the routine testing and maintenance work height of the substation. Workers can use the tools stored in the toolbox body 18 to perform maintenance or inspection operations on various equipment in the substation. Workers need to place various required tools into the toolbox body 18 at the lower end of the platform top plate 11. Workers then carry the toolbox body 18 into the platform top plate 11 and place it on the upper surface of the sliding toolbox placement platform 12. They then grasp and turn the double-ended lead screw 13, which is threadedly connected to two rectangular sliders 14. Turning the double-ended lead screw 13 causes the two rectangular sliders 14 to slide in opposite directions, which in turn drives four curved surfaces. The clamping block 15 fits around the toolbox body 18 to complete the clamping and fixing. During the maintenance process, the staff needs to move on the platform top plate 11. Before moving, they can hold the toolbox placement table 12 with the pull rod to slide the toolbox body 18. It has strong flexibility and can follow the staff to move. The toolbox placement table 12 can be limited by pulling and rotating the T-shaped limiting rod 16 to ensure its stable placement. The widest outer diameter of the T-shaped limiting rod 16 is adapted to the size of the rectangular through groove 17. After aligning the T-shaped limiting rod 16 and inserting it into the rectangular through groove 17, it is turned 90 degrees to limit the toolbox placement table 12. The surface of the T-shaped limiting rod 16 is fitted with a rubber pad, which fits against the inner wall of the toolbox placement table 12 to increase the friction.

[0031] The toolbox placement platform 12 has a toolbox body 18 at its upper end. Four curved clamping blocks 15 are all in contact with the outer surface of the toolbox body 18. A lid 19 is rotatably connected inside the toolbox body 18. Two magnet blocks 21 are fixedly connected inside the lid 19. A spherical slide rod 22 is fixedly connected to the lower end of the toolbox placement platform 12. The spherical slide rod 22 is slidably connected inside the platform top plate 11. A sliding groove 23 is opened inside the toolbox placement platform 12. A slide rail 24 is fixedly connected to the inner surface of the platform top plate 11. The sliding groove 23 is slidably connected to the outer surface of the slide rail 24. An inclined step 25 is fixedly connected inside the platform top plate 11. When the worker steps on the inclined step 25, he enters the platform top plate 11 and slides on the surface of the slide rail 24 through the slide groove 23. It slides in the platform top plate 11 in conjunction with the spherical slide rod 22 at the lower end of the tool box placement table 12, which increases the guiding of the sliding of the tool box placement table 12. The magnet block 21 installed in the box cover 19 can be used to place metal tools during maintenance operations. The magnet block 21 can attract metal tools. Note that tools such as multimeters should not be placed on the magnet block 21 to avoid interference with electronic components.

[0032] The platform top plate 11 is provided with a scissor lift device body 26 at the lower end. A set of casters 27 are fixedly connected to the lower end of the scissor lift device body 26. The platform top plate 11 is raised and lowered by the scissor lift device body 26. The scissor lift device body 26 includes a hydraulic push rod, a scissor arm and a base. The casters 27 installed at the lower end of the scissor lift device body 26 increase the flexibility of the overall movement of the device.

[0033] To address the problems existing in the prior art, this utility model provides a maintenance platform for routine testing in substations. Workers carry the toolbox body 18 into the platform's top plate 11, placing it on the upper surface of a sliding toolbox placement platform 12. They then grasp and screw on a bidirectional lead screw 13, which is threadedly connected to two rectangular sliders 14. Screwing the lead screw 13 causes the two rectangular sliders 14 to slide in opposite directions, which in turn causes four arc-shaped clamping blocks 15 to fit around the toolbox body 18, thus securing it. During maintenance, workers need to move on the platform's top plate 11. Before moving, they can grasp the toolbox placement platform 12 with its pull rod to slide the toolbox body 18, ensuring stable placement and management while providing high flexibility, allowing it to move with the workers.

[0034] Working principle:

[0035] The first step involves the scissor lift device body 26, which consists of a hydraulic push rod, a scissor arm, and a base. The hydraulic push rod controls the extension and retraction of the scissor arm through telescopic control, thereby adjusting the height of the platform top plate 11. When the platform needs to be raised, the hydraulic push rod extends, pushing the scissor arm to extend, and the platform top plate 11 rises accordingly. Conversely, the hydraulic push rod shortens, the scissor arm retracts, and the platform top plate 11 descends. The scissor arm is composed of multiple sets of cross-hinged connecting rods, resembling scissors. The intersection points of each set of connecting rods are connected by pins, allowing them to rotate relative to each other. The top of the scissor arm is connected to the platform top plate 11, and the bottom is connected to the base. As the hydraulic push rod extends and retracts, the angle of the scissor arm changes, thereby raising and lowering the platform top plate 11. The casters 27 installed at the lower end of the scissor lift device body 26 allow the entire maintenance platform to move flexibly on the ground. Workers can easily push the platform and change its position to adapt to the maintenance needs of equipment at different heights within the substation.

[0036] The second step involves the worker carrying the toolbox body 18 into the platform top plate 11 and then placing it on the upper surface of the toolbox placement platform 12. The toolbox placement platform 12 can slide smoothly on the platform top plate 11. A clamping mechanism is used to fix the toolbox body 18. A bidirectional lead screw 13 is rotatably connected inside the toolbox placement platform 12. Two rectangular sliders 14 are threadedly connected to the outer surface of the bidirectional lead screw 13 and can slide inside the toolbox placement platform 12. When the worker holds and screws the bidirectional lead screw 13, due to the threaded transmission, the rotation of the bidirectional lead screw 13 will drive the two rectangular sliders 14 to slide in opposite directions along the bidirectional lead screw 13. The four arc-shaped clamping blocks 15 fixed to the outer surface of the two rectangular sliders 14 will move closer to the toolbox body 18 as the rectangular sliders 14 move, until they fit against the circumference of the toolbox body 18, thus completing the clamping and fixing of the toolbox body 18 and preventing it from moving or working on the platform. If the toolbox placement platform 12 shakes or shifts during operation, it is limited by pulling and rotating the T-shaped limiting rod 16 to ensure stable placement. The widest outer diameter of the T-shaped limiting rod 16 is adapted to the size of the rectangular through slot 17. First, the T-shaped limiting rod 16 is aligned and inserted into the rectangular through slot 17, and then turned 90 degrees. At this time, the T-shaped limiting rod 16 will limit the entire toolbox placement platform 12. The rubber pad on the surface of the T-shaped limiting rod 16 fits against the inner wall of the toolbox placement platform 12, increasing the friction and ensuring the stability of the position of the T-shaped limiting rod 16. The toolbox body 18 is rotatably connected to the lid 19. Two magnet blocks 21 are fixedly connected inside the lid 19. They can be used to place metal tools during maintenance operations. The magnet blocks 21 use magnetism to attract metal tools, making it convenient for workers to use. However, it should be noted that since magnets may interfere with electronic components, tools such as multimeters should not be placed on the magnet blocks 21.

[0037] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A maintenance platform for routine tests of a substation, comprising a platform top plate (11), wherein a supporting mechanism for moving a tool box is arranged inside the platform top plate (11), and the supporting mechanism comprises a tool box placing table (12) which is slidingly connected to the inner surface of the platform top plate (11), characterized in that, The toolbox placement platform (12) is equipped with a clamping mechanism for clamping and fixing the toolbox. The clamping mechanism includes a two-way lead screw (13), two rectangular sliders (14) and four arc-shaped clamping blocks (15). The two-way lead screw (13) is rotatably connected inside the toolbox placement platform (12). The two rectangular sliders (14) are slidably connected inside the toolbox placement platform (12). The two rectangular sliders (14) are threadedly connected to the outer surface of the two-way lead screw (13). The four arc-shaped clamping blocks (15) are respectively fixedly connected to the outer surface of the two rectangular sliders (14). The toolbox placement platform (12) is equipped with two T-shaped limiting rods (16).

2. A maintenance platform for routine testing of a substation according to claim 1, characterized in that A set of rectangular through slots (17) are provided inside the top plate (11) of the platform; Both of the T-shaped limiting rods (16) are set inside a set of rectangular through slots (17).

3. A maintenance platform for routine testing of a substation according to claim 2, characterized in that The toolbox body (18) is provided at the upper end of the toolbox placement platform (12); Among them, the four curved clamping blocks (15) are all in contact with the outer surface of the toolbox body (18).

4. A maintenance platform for routine testing of a substation as claimed in claim 3, characterised in that, The toolbox body (18) is rotatably connected to a lid (19); The box cover (19) has two magnet blocks (21) fixedly connected inside.

5. A maintenance platform for routine testing in a substation as described in claim 4, characterized in that, The lower end of the toolbox placement platform (12) is fixedly connected to a spherical slide rod (22); The spherical slide bar (22) is slidably connected inside the top plate (11) of the platform.

6. A maintenance platform for routine testing of a substation as claimed in claim 5, characterised in that, The toolbox placement table (12) has a sliding groove (23) inside; The inner surface of the platform top plate (11) is fixedly connected with a slide rail (24).

7. A maintenance platform for routine testing of a substation as claimed in claim 6, characterised in that, The groove (23) is slidably connected to the outer surface of the slide rail (24); The platform top plate (11) is fixedly connected to an inclined plate (25).

8. A maintenance platform for routine testing of a substation according to claim 7, characterized in that The platform top plate (11) is provided with a scissor lift device body (26) at the lower end; The lower end of the scissor lift device body (26) is fixedly connected to a set of casters (27).

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