High-voltage switch cabinet convenient to maintain
By designing an upward-opening and sliding cabinet door and a sliding rail limit assembly, the problems of space occupation and inconvenience in component maintenance of high-voltage switchgear have been solved, achieving efficient maintenance operations and improved safety.
Patent Information
- Application Number
- CN202520526133.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Traditional high-voltage switchgear requires a large amount of space to open during maintenance, making it inconvenient to inspect internal components, increasing maintenance difficulty and cost, and easily leading to secondary faults.
A high-voltage switch cabinet with a hinged, sliding, and retractable door was designed. By combining a slide rail and a flexible limiting component, the space of the cabinet door is optimized and the mounting plate is easily disassembled. The cabinet door is stably stored through a limiting shaft and hook structure, and the sliding connection between the slide rail and the mounting plate facilitates the exposure of components.
The upward sliding design of the cabinet door saves space, reduces maintenance time and costs, improves maintenance efficiency, and reduces the possibility of secondary failures.
Smart Images

Figure CN223957126U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high voltage switchgear technical field, more exactly relates to a high voltage switchgear convenient to maintain. BACKGROUND
[0002] As the key equipment in the power system, high voltage switchgears are widely used in power plants, transformer substations and various industrial and mining enterprises, playing an important role in distributing, controlling and protecting high voltage electric energy. During the long-term operation, the switchgears need to be regularly maintained to ensure their stable and reliable performance and guarantee the continuity and safety of power supply.
[0003] The internal electrical components of the high voltage switchgear are arranged compactly. When the switchgear needs to be maintained, such as the maintenance of circuit breakers, transformers and bus connection points, the maintenance personnel face many inconveniences. On the one hand, the cabinet door has a single opening mode, mostly being a whole side opening or a double door opening. After being opened, it occupies a large amount of surrounding space. In a narrow distribution room, the operation space of the maintenance personnel is narrow, and the tools are easy to collide with obstacles, increasing the maintenance difficulty and time cost. On the other hand, the internal electrical components are fixedly installed, arranged compactly and lack flexibility. When the components in the deep part of the cabinet are maintained, many shielding components or even lines need to be removed. After the maintenance, the debugging is complicated and is easy to cause secondary faults. SUMMARY
[0004] The utility model aims at providing a high voltage switchgear convenient to maintain, solving the problems of large space occupation and inconvenient internal component maintenance of the traditional high voltage switchgear during maintenance, improving the maintenance efficiency, reducing the cost and guaranteeing the operation safety.
[0005] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0006] A high voltage switchgear convenient to maintain, comprising a cabinet body, a plurality of partition plates are fixedly arranged horizontally in the cabinet body, the inside of the cabinet body is divided into a plurality of installation rooms by the partition plates, a cabinet door is arranged on the front side of the installation room, a limiting shaft is fixedly arranged on the top of the front end of the two side walls of the installation room in a horizontal and symmetrical manner, an L-shaped hook corresponding to the limiting shaft is fixedly installed on the top of the rear side of the cabinet door, a push-pull handle is arranged on the bottom of the front side of the cabinet door, a slide rail is fixedly arranged on the upper surface of the partition plate in a symmetrical manner on both sides, an installation plate is arranged between the two slide rails, a strip-shaped through groove is formed on the side of the slide rail close to the installation plate, a strip-shaped protrusion matched with the strip-shaped through groove is fixedly arranged on the side wall of the installation plate, the strip-shaped protrusion and the strip-shaped through groove are in sliding connection, a first limiting side plate is arranged on the two rear ends of the installation plate, the first limiting side plate is located above the slide rail, and an elastic limiting assembly is arranged on the upper surface of the slide rail close to the front end opposite to the first limiting side plate.
[0007] Further, the upper surface of the slide rail is provided with a mounting groove near the front end; the elastic limiting component comprises a limiting baffle slidingly arranged in the mounting groove, and a spring is connected between the limiting baffle and the bottom of the mounting groove.
[0008] Further, a limiting groove is formed in the side wall of the mounting groove, and a limiting block is slidingly connected in the limiting groove and fixedly connected to the side wall of the limiting baffle.
[0009] Further, the two side front ends of the mounting plate are provided with second limiting side plates opposite to the first limiting side plates.
[0010] Further, the bottom of the cabinet door is provided with a door lock, and the upper surface of the partition plate and the upper surface of the inner bottom of the cabinet body are provided with clamping grooves corresponding to the door lock.
[0011] Further, the cabinet door is provided with an observation window.
[0012] Compared with the prior art, the cabinet door of the utility model has the advantages of:
[0013] In the utility model, the cabinet door is upwardly flipped by means of the L-shaped hook at the rear top and the limiting shaft, and the flipped cabinet door can be further translated and accommodated in the cabinet body, so that the cabinet door does not occupy the space in front of the cabinet body at all, an open operation environment is provided for maintenance personnel, the maintenance personnel are free from the trouble of colliding with obstacles when moving tools, and the maintenance difficulty and time cost are greatly reduced; the slide rail is arranged on the partition plate, the mounting plate is slidingly connected with the strip-shaped through groove of the slide rail through the strip-shaped protrusion, the mounting plate can be easily translated out of the cabinet body, the electrical elements on the mounting plate are directly exposed, complex dismounting operation is not needed, the maintenance efficiency is greatly improved, and the possibility of secondary faults caused by resetting and debugging is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is Figure 1 It is an enlarged schematic view of A in the utility model;
[0016] Figure 3 It is a partial structural schematic view of the utility model;
[0017] Figure 4 It is a partial structural sectional view of the utility model Figure 1 ;
[0018] Figure 5 It is a partial structural sectional view of the utility model Figure 2 .
[0019] 1, cabinet body; 101, installation room; 2, partition; 3, cabinet door; 4, limiting shaft; 5, L-shaped hook; 6, push-pull handle; 7, slide rail; 701, strip-shaped through slot; 702, installation slot; 703, limiting slot; 8, mounting plate; 81, strip-shaped protrusion; 82, first limiting side plate; 83, second limiting side plate; 9, limiting baffle; 91, limiting block; 10, spring; 11, door lock; 12, observation window. DETAILED DESCRIPTION
[0020] As Figures 1 to 5 shown, a high-voltage switch cabinet convenient to maintain includes a cabinet body 1, a plurality of partitions 2 are fixedly arranged horizontally in the cabinet body 1, the inside of the cabinet body 1 is divided into a plurality of installation rooms 101 by the partitions 2, the front side of the installation room 101 is provided with a cabinet door 3, the top of the front end of the two side walls of the installation room 101 is fixedly arranged symmetrically and horizontally with a limiting shaft 4, the top of the rear side of the cabinet door 3 is fixedly installed with an L-shaped hook 5 corresponding to the limiting shaft 4, the bottom of the front side of the cabinet door 3 is provided with a push-pull handle 6, the upper surfaces of the two sides of the partition 2 are fixedly provided with slide rails 7 symmetrically, an installation plate 8 is arranged between the two slide rails 7, a strip-shaped through slot 701 is formed on the side of the slide rail 7 close to the installation plate 8, a strip-shaped protrusion 81 matched with the strip-shaped through slot 701 is fixedly arranged on the side wall of the installation plate 8, the strip-shaped protrusion 81 is in sliding connection with the strip-shaped through slot 701, the rear ends of the two sides of the installation plate 8 are provided with first limiting side plates 82, the first limiting side plates 82 are located above the slide rails 7, and the upper surface of the slide rail 7 close to the front end is provided with an elastic limiting assembly opposite to the first limiting side plate 82.
[0021] A installation slot 702 is formed on the upper surface of the slide rail 7 close to the front end; the elastic limiting assembly includes a limiting baffle 9 slidingly arranged in the installation slot 702, and a spring 10 connected between the limiting baffle 9 and the bottom of the installation slot 702.
[0022] A limiting slot 703 is formed on the side wall of the installation slot 702, a limiting block 91 is in sliding connection in the limiting slot 703, and the limiting block 91 is fixedly connected to the side wall of the limiting baffle 9.
[0023] Second limiting side plates 83 are arranged at the front ends of the two sides of the installation plate 8, and the second limiting side plates 83 are arranged opposite to the first limiting side plates 82.
[0024] A door lock 11 is arranged at the bottom of the cabinet door 3, and a clamping groove corresponding to the door lock 11 is formed on the upper surface of the partition 2 and the upper surface of the inside of the cabinet body 1.
[0025] An observation window 12 is arranged on the cabinet door 3.
[0026] Working principle:
[0027] Cabinet door operation: when opening the cabinet door 3, the maintenance personnel hold the push-pull handle 6 and lift it upward, the L-shaped hook 5 rotates around the limiting shaft 4 to realize upward turning, and after the cabinet door 3 is turned upward to the horizontal state, the cabinet door 3 can be pushed to be translated and stored in the cabinet body 1, and under the support of the limiting shaft 4 and the limiting of the top of the mounting chamber 101, the cabinet door 3 is stably stored in the cabinet body 1; when closing the cabinet door 3, reverse operation is performed, the cabinet door 3 is translated out of the cabinet body 1 and is laid down, and is locked through cooperation of the door lock 11 and the clamping groove.
[0028] Mounting plate operation: after opening the cabinet door 3, the limiting baffle 9 is pressed, the spring 10 is compressed, the limiting baffle 9 is retracted into the mounting groove 702, the second limiting side plate 83 is pushed, and the strip-shaped protrusion 81 slides in the strip-shaped through groove 701, at this time, the second limiting side plate 83 passes the limiting baffle 9 and the mounting groove 702, then the limiting baffle 9 is released, the spring 10 is restored, the limiting baffle 9 is located between the second limiting side plate 83 and the first limiting side plate 82, and the mounting plate 8 is translated out of the cabinet body 1, at this time, the limiting baffle 9 and the first limiting side plate 82 abut, under cooperation of the strip-shaped through groove 701 and the strip-shaped protrusion 81 and cooperation of the limiting baffle 9 and the first limiting side plate 82, the mounting plate 8 is supported and limited, so that the mounting plate 8 is prevented from falling after being translated out of the cabinet body 1; after maintenance is completed, reverse operation can be performed to store the mounting plate 8 in the cabinet body 1, at this time, the second limiting side plate 83 is located between the first limiting side plate 82 and the limiting baffle 9, and the limiting baffle 9 limits the second limiting side plate 83, so that the mounting plate 8 is prevented from sliding in the cabinet body 1; in addition, during maintenance, the limiting baffle 9 can be pressed, the first limiting side plate 82 passes the limiting baffle 9 and the mounting groove 702, and the mounting plate 8 is completely separated from the slide rail 7, so that certain maintenance and disassembly requirements are met.
[0029] The cabinet door 3 adopts the design of upward turning and translation storage, so that the space occupation problem is eliminated, the front side space of the cabinet body 1 is saved, a wide operation area is expanded for the maintenance personnel, the collision risk is reduced, and the maintenance time is reduced; through cooperation of the elastic limiting assembly, the first limiting side plate 82, the second limiting side plate 83, the strip-shaped protrusion 81 and the slide rail 7, the mounting plate 8 can be smoothly moved out of the cabinet body 1 to expose elements, maintenance is facilitated, the mounting plate 8 can be accurately limited in different states, falling or accidental sliding of the mounting plate 8 is prevented, and operation safety is ensured.
[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A high voltage switchgear for ease of maintenance, characterized in that: The utility model provides a cabinet, including cabinet (1), a plurality of baffle (2) are fixedly arranged in the cabinet (1) horizontally, the inside of cabinet (1) is divided into a plurality of installation room (101) by baffle (2), the front side of installation room (101) is equipped with cabinet door (3), the both side wall front end top of installation room (101) is fixedly arranged with limit shaft (4) in horizontal symmetry, the rear side top of cabinet door (3) is fixedly installed with the L type hook (5) corresponding with limit shaft (4), the front side bottom of cabinet door (3) is provided with push-pull handle (6), the upper surface both sides of baffle (2) are fixedly provided with slide rail (7) in symmetry, and the installation plate (8) is arranged between two slide rail (7), and the side of slide rail (7) close to installation plate (8) is opened with strip through groove (701), the side wall of installation plate (8) is fixedly provided with strip protruding (81) matched with strip through groove (701), strip protruding (81) is slidably connected with strip through groove (701), and the both side rear end of installation plate (8) is provided with first limit side plate (82), and first limit side plate (82) is located above slide rail (7), and the upper surface of slide rail (7) close to front end is provided with elastic limit component opposite first limit side plate (82).
2. The maintenance-friendly high voltage switchgear of claim 1, characterized in that: The upper surface of slide rail (7) close to front end is opened with installation groove (702), and the elastic limit component includes limit baffle (9) slidably arranged in installation groove (702), and spring (10) is connected between limit baffle (9) and the bottom of installation groove (702).
3. The maintenance-friendly high voltage switchgear of claim 2, wherein: The side wall of installation groove (702) is opened with limit groove (703), and limit block (91) is slidably connected in limit groove (703), and limit block (91) is fixedly connected on the side wall of limit baffle (9).
4. The maintenance-friendly high voltage switchgear of claim 2, wherein: The both side front end of installation plate (8) is provided with second limit side plate (83), and second limit side plate (83) is arranged opposite first limit side plate (82).
5. The maintenance-friendly high voltage switchgear of claim 1, wherein: The bottom of cabinet door (3) is provided with door lock (11), and the upper surface of baffle (2) and the inside bottom upper surface of cabinet (1) are opened with clamping groove corresponding with door lock (11).
6. The maintenance-friendly high voltage switchgear of claim 1, wherein: The cabinet door (3) is provided with observation window (12).