Armored movable switch cabinet
By employing a design of fixing plates, connecting blocks, slides, and screws in the armored withdrawable switchgear, the base plate can be easily disassembled, solving the problem of cumbersome disassembly of the cover plate in the prior art, improving maintenance efficiency and equipment stability, and ensuring a clean internal environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI WESTINGHOUSE WHOLE SET EQUIP
- Filing Date
- 2025-05-19
- Publication Date
- 2026-05-26
AI Technical Summary
When it is necessary to maintain or repair the cables and components under or inside the base plate of the existing armored withdrawable switchgear, the cover plate must be removed first, which makes the disassembly process cumbersome and increases maintenance time and labor costs.
The design incorporates a fixed plate, connecting block, sliding groove, and screws, allowing for convenient installation and removal of the base plate by sliding the movable piece and unscrewing the screws. Combined with a ventilation mechanism, including the design of the mounting plate, dustproof net, and top cover, it ensures internal air circulation and dust prevention.
It enables convenient disassembly of the base plate, shortens maintenance time, improves maintenance efficiency, reduces equipment downtime, ensures a clean internal environment, and extends the life of electrical components.
Smart Images

Figure CN224288912U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power equipment technology, and in particular to armored withdrawable switchgear. Background Technology
[0002] With rapid economic development and the acceleration of industrialization and urbanization, the demand for electricity in various fields is constantly rising. Power plants need to efficiently transmit and distribute large amounts of electricity to different user terminals. As a key node in power transmission and distribution, substations need more reliable and flexible equipment to realize the functions of receiving, distributing and controlling power. Therefore, armored withdrawable switchgear is required.
[0003] A search revealed Chinese patent publication number CN104638535B, which describes a withdrawable switchgear applied in the field of metal-clad withdrawable high-voltage switchgear. The switchgear's left and right base plate supports are both U-shaped in cross-section. The bottoms of the left and right base plate supports are connected to the base plate, respectively. A secondary wiring cover is mounted on each of the left and right base plate supports. The secondary wiring cover has an L-shaped cross-section. The bent portion of one secondary wiring cover connects to the outer side of the left base plate support, and the other secondary wiring cover connects to the outer side of the right base plate support. The switch cabinet of this invention has a simple structure. The bottom plate components and secondary wiring device of the switch cabinet are optimized to reduce the complexity of design, production, assembly and debugging, reduce the labor intensity of assembly, and effectively reduce production costs. However, the secondary wiring cover of the bottom plate is connected to the left and right bottom plate brackets. When it is necessary to maintain and repair the cables and components under or inside the bottom plate, the cover needs to be removed first, which makes the disassembly process relatively cumbersome and increases the maintenance time and labor costs. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides an armored removable switch cabinet, which aims to improve the problem in the prior art that when it is necessary to maintain and repair the cables and components under or inside the base plate, it is necessary to first remove the cover plate, which makes the cover plate removal process relatively cumbersome and increases the maintenance time and labor costs.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: an armored withdrawable switch cabinet, including a central cabinet. The bottom left and right sides of the inner wall of the central cabinet are fixedly connected to fixed plates. Multiple fixed pieces are fixedly connected to the bottom of each of the two fixed plates. Connecting blocks are fixedly connected to the left and right ends of the rear side of the bottom of the inner wall of the central cabinet. A base plate is provided on the top of each of the two fixed plates. Connecting posts are fixedly connected to the left and right ends of the rear side of the bottom of each base plate. The outer walls of the two connecting posts engage with the inner walls of the two connecting blocks. Slide grooves are provided on the left and right ends of the front side of the bottom of the inner wall of the central cabinet. Moving pieces are slidably connected to the inner walls of the two slide grooves. Screws are threadedly connected to the tops of the two moving pieces. The bottom ends of the two screws are threadedly connected to the front tops of the two fixed plates. A ventilation mechanism is provided on the top of the outer wall of the central cabinet.
[0006] The above technical solution involves a centrally mounted armored withdrawable switchgear cabinet with fixed plates on the bottom left and right sides of its inner wall. The bottom of the fixed plates has multiple fixing pieces for stabilization. The connecting blocks on the rear left and right ends of the bottom of the inner wall engage with the connecting posts on the rear left and right ends of the bottom of the base plate to position the rear of the base plate. Sliding grooves are opened on the front left and right ends of the bottom of the inner wall, and the movable pieces in the sliding grooves can slide. The screws threaded on the top of the movable pieces are threaded on the top front of the fixed plate. By sliding the movable pieces and fixing or loosening them with screws, the base plate can be easily installed and disassembled.
[0007] As a further description of the above technical solution:
[0008] The ventilation mechanism includes a mounting plate, the bottom of which is fixedly connected to the top of the central cabinet. Connecting columns are fixedly connected to all four sides of the top of the mounting plate. Fixing columns are fixedly connected to all four sides of the bottom of the inner wall of the mounting plate. A dustproof net is provided on the inner wall of the mounting plate. The outer walls of the multiple fixing columns engage with the inner wall of the dustproof net. A top cover is provided on the top of the outer wall of the mounting plate. Connecting holes are provided on all four sides of the bottom of the top cover. The inner walls of the multiple connecting holes engage with the multiple outer walls.
[0009] The above technical solution involves fixing posts connected to the bottom four sides of the mounting plate, which engage with the inner wall of the dustproof net to securely fix the dustproof net to the inner wall of the mounting plate. When outside air enters the central cabinet, it passes through the dustproof net, effectively filtering out dust and impurities and ensuring a clean environment inside the central cabinet. Meanwhile, the connecting posts connected to the top four sides of the mounting plate engage tightly with the connecting holes on the bottom four sides of the top cover, achieving a stable installation of the top cover on the top of the outer wall of the mounting plate. The top cover provides protection, preventing foreign objects from falling directly into the ventilation mechanism and avoiding affecting the ventilation effect and the normal operation of the dustproof net.
[0010] As a further description of the above technical solution:
[0011] The outer wall of the top cover has a groove, and the inner wall of the groove is provided with a warning sticker.
[0012] The above technical solution prevents the warning sticker from being easily scratched, worn, or detached by external forces in the daily environment, ensuring the integrity and visibility of the warning sticker. The warning sticker, with its eye-catching color, text, or pattern, conveys information to operators and maintenance personnel.
[0013] As a further description of the above technical solution:
[0014] The top front side of the central cabinet is provided with a rotating door, and multiple hinges are fixed to the front side of the central cabinet. The upper and lower ends of the left side of the rotating door are rotatably connected to the front side of the central cabinet through the hinges.
[0015] The above technical solution involves a central switch cabinet with armored removable switchgear. A rotating door is located on the top front side of the central switchgear cabinet. The upper and lower ends of the left side of the rotating door are connected by a hinge with threads. Operators can easily open or close the rotating door using the rotation function of the hinge to carry out operation, inspection and maintenance work inside the central switchgear cabinet.
[0016] As a further description of the above technical solution:
[0017] The bottom front side of the central cabinet is provided with a second rotating door. The upper and lower ends of the left side of the outer wall of the second rotating door are rotatably connected to the front side of the central cabinet through a second hinge.
[0018] Through the above technical solution: the center cabinet of the armored withdrawable switch cabinet has a rotating door 2 at the bottom front side. The upper and lower ends of the left side of the outer wall of the rotating door 2 are connected to the hinge 2 by threads. Relying on the hinge 2 as the rotating shaft, the rotating door 2 can rotate flexibly, which facilitates the operator to operate and maintain the bottom area of the center cabinet.
[0019] As a further description of the above technical solution:
[0020] The front right side of the rotating door 2 is provided with a mounting groove 1, and a handle is fixedly connected to the inner wall of the mounting groove 1.
[0021] The above technical solution involves an installation groove on the right side of the front end of the rotating door 2 at the bottom front side of the central switch cabinet. The handle is fixedly connected to the inner wall of the installation groove 1. By holding the handle, the operator can easily apply force to open the rotating door 2 using its leverage, which facilitates operation of the bottom area of the central switch cabinet.
[0022] As a further description of the above technical solution:
[0023] A display is fixedly connected to the left end of the front side of the outer wall of the revolving door, and two display tables are fixedly connected to the right end of the front side of the outer wall of the revolving door.
[0024] The above technical solution involves a display screen fixedly connected to the left side of the front wall of the rotating door at the top front of the armored retractable switch cabinet, and two display meters fixedly connected to the right side of the front wall. Operators can visually obtain equipment operating data and working parameters from outside the rotating door through these devices, so as to understand the equipment operating status and make decisions in a timely manner.
[0025] As a further description of the above technical solution:
[0026] The top of the central cabinet is provided with a second mounting groove, and the inner wall of the second mounting groove is fixedly connected to the bottom of the mounting plate.
[0027] The above technical solution involves a central cabinet of an armored withdrawable switchgear, with a second mounting groove on its top. The bottom of the mounting plate is fixedly connected to the inner wall of the second mounting groove. The second mounting groove provides positioning and stable installation for the mounting plate, ensuring the stability of the ventilation mechanism and related structures on the top of the central cabinet, and ensuring the normal operation of related functions.
[0028] This utility model has the following beneficial effects:
[0029] 1. In this utility model, by unscrewing the screws and sliding the movable piece, the fixation on the front side of the base plate can be released, and then the rear connecting column can be disassembled from the connecting block, so that the base plate can be easily disassembled and the maintenance channel can be quickly opened. This convenient disassembly method shortens the maintenance time, improves the maintenance efficiency, and reduces the downtime of the equipment, thereby reducing the negative impact of equipment failure on production activities and effectively ensuring the continuity and stability of production.
[0030] 2. In this utility model, the ventilation function can ensure the effective circulation of air inside the switch cabinet, and promptly remove the heat generated during equipment operation, avoiding the overheating of electrical components due to heat accumulation, thereby greatly extending the service life of electrical components. The dustproof net can block dust and impurities from the outside, preventing these pollutants from adhering to the surface of electrical components and avoiding short circuits caused by dust accumulation. Attached Figure Description
[0031] Figure 1 This is a perspective view of the armored withdrawable switch cabinet proposed in this utility model;
[0032] Figure 2 This is a front view of the armored withdrawable switch cabinet proposed in this utility model;
[0033] Figure 3 This is an exploded view of the ventilation mechanism of the armored withdrawable switchgear proposed in this utility model;
[0034] Figure 4 This is a partial structural schematic diagram of the armored withdrawable switchgear proposed in this utility model;
[0035] Figure 5 This is a partial structural diagram of the armored removable switchgear proposed in this utility model.
[0036] Legend:
[0037] 1. Central cabinet; 2. Ventilation mechanism; 201. Mounting plate; 202. Connecting column two; 203. Fixed column; 204. Dustproof net; 205. Top cover; 206. Connecting hole; 3. Fixed plate; 4. Connecting block; 5. Base plate; 6. Connecting column one; 7. Slide groove; 8. Moving piece; 9. Screw; 10. Groove; 11. Warning sticker; 12. Rotating door one; 13. Hinge one; 14. Rotating door two; 15. Hinge two; 16. Mounting groove one; 17. Handle; 18. Monitor; 19. Display; 20. Mounting groove two; 21. Fixed piece. Detailed Implementation
[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0039] Reference Figure 1 , Figure 4 and Figure 5 An embodiment of this utility model provides: an armored withdrawable switch cabinet, including a central cabinet 1. Fixing plates 3 are fixedly connected to the bottom left and right sides of the inner wall of the central cabinet 1. Multiple fixing pieces 21 are fixedly connected to the bottom of each of the two fixing plates 3. Connecting blocks 4 are fixedly connected to the rear left and right ends of the bottom of the inner wall of the central cabinet 1. A base plate 5 is provided on the top of each of the two fixing plates 3. Connecting posts 6 are fixedly connected to the rear left and right ends of the bottom of the base plate 5. The outer walls of the two connecting posts 6 engage with the inner walls of the two connecting blocks 4. Slide grooves 7 are provided on the front left and right ends of the bottom of the inner wall of the central cabinet 1. Moving pieces 8 are slidably connected to the inner walls of the two slide grooves 7. Screws 9 are threadedly connected to the tops of the two moving pieces 8. The bottom ends of the two screws 9 are threadedly connected to the front tops of the two fixing plates 3. A ventilation mechanism 2 is provided on the top of the outer wall of the central cabinet 1.
[0040] Specifically, the fixing plates 3 are fixedly connected to the bottom left and right sides of the inner wall of the central switch cabinet 1, providing a foundation for component installation. The fixing pieces 21 at the bottom of the fixing plates 3 enhance the connection stability. The connecting block 4 at the bottom rear of the inner wall of the central switch cabinet 1 engages with the connecting post 6 at the bottom rear of the base plate 5, realizing the positioning and installation of the rear side of the base plate 5. The sliding groove 7 at the bottom front of the inner wall of the central switch cabinet 1 provides a sliding track for the moving piece 8. The moving piece 8 can slide in the sliding groove 7 as needed. The moving piece 8 is fixed to the fixing plate 3 by screws 9, completing the fixing of the front side of the base plate 5. This makes the base plate 5 stably installed in the central switch cabinet 1, making the installation process of the base plate 5 more flexible and accurate, and also facilitating operation, disassembly and maintenance, thus improving the overall performance and reliability of the switch cabinet.
[0041] Reference Figure 1 , Figure 2 and Figure 3 The ventilation mechanism 2 includes a mounting plate 201. The bottom of the mounting plate 201 is fixedly connected to the top of the central cabinet 1. Connecting columns 202 are fixedly connected to the top four sides of the mounting plate 201. Fixing columns 203 are fixedly connected to the bottom four sides of the inner wall of the mounting plate 201. A dustproof net 204 is provided on the inner wall of the mounting plate 201. The outer walls of the multiple fixing columns 203 are engaged with the inner walls of the dustproof net 204. A top cover 205 is provided on the top of the outer wall of the mounting plate 201. Connecting holes 206 are opened on the bottom four sides of the top cover 205. The inner walls of the multiple connecting holes 206 are engaged with the outer walls of the multiple connecting columns 202.
[0042] Specifically, the bottom of the mounting plate 201 is fixed to the top of the central cabinet 1, providing stable support for the entire ventilation mechanism 2. The connecting posts 202 around the top of the mounting plate 201 engage with the connecting holes 206 around the bottom of the top cover 205, realizing the installation and fixation of the top cover 205, protecting the ventilation mechanism 2 from external foreign objects, and facilitating maintenance and repair. The fixing posts 203 around the bottom of the inner wall of the mounting plate 201 engage with the inner wall of the dustproof net 204, stably installing the dustproof net 204 on the inner wall of the mounting plate 201. The dustproof net 204 can effectively filter the air entering the central cabinet 1, preventing dust from damaging the internal electrical components, making the connections between the various parts of the ventilation mechanism 2 tight and easy to operate, ensuring a good ventilation environment inside the central cabinet 1 and stable operation of the equipment.
[0043] Reference Figure 1 , Figure 2 and Figure 4The outer wall of the top cover 205 has a groove 10, and the inner wall of the groove 10 has a warning sticker 11; the top front side of the central cabinet 1 has a rotating door 12, and multiple hinges 13 are fixed to the front side of the central cabinet 1. The upper and lower ends of the left side of the rotating door 12 are rotatably connected to the front side of the central cabinet 1 through the hinges 13; the bottom front side of the central cabinet 1 has a rotating door 24, and the upper and lower ends of the left side of the rotating door 24 are rotatably connected to the front side of the central cabinet 1 through the hinges 25.
[0044] Specifically, the groove 10 on the outer wall of the top cover 205 is used to place the warning sticker 11. The groove 10 can protect the warning sticker 11 from external damage. The warning sticker 11 conveys key information to the operator and reminds them of safe operation. The rotating door 12 on the top front side of the central cabinet 1 is rotated by the hinge 13 connected by threads on the upper and lower ends of the outer wall. This allows the operator to easily open or close the rotating door 12, facilitating the maintenance of the internal equipment on the top of the central cabinet 1. The rotating door 14 on the bottom front side of the central cabinet 1 is rotated by the hinge 15 connected by threads on the upper and lower ends of the outer wall. The design of the rotating door 14 allows the operator to easily maintain the equipment at the bottom of the central cabinet 1, ensuring the safety of the equipment and improving the convenience of operation.
[0045] Reference Figure 1 , Figure 3 and Figure 5 A mounting groove 16 is provided on the right side of the front end of the rotating door 14, and a handle 17 is fixedly connected to the inner wall of the mounting groove 16; a display 18 is fixedly connected to the left side of the front wall of the rotating door 12, and two display meters 19 are fixedly connected to the right side of the front wall of the rotating door 12; a mounting groove 20 is provided on the top of the central cabinet 1, and the inner wall of the mounting groove 20 is fixedly connected to the bottom of the mounting plate 201.
[0046] Specifically, the mounting groove 16 on the right side of the front end of the rotating door 14 is used to fix the handle 17. The operator can easily open or close the rotating door 14 by holding the handle 17, which facilitates operation on the front bottom of the central cabinet 1. The display 18 on the left end and the two display tables 19 on the right end of the outer wall of the rotating door 12 provide the operator with intuitive equipment operation information display, making it easy to keep track of the operating status of the central cabinet 1 at any time. The mounting groove 20 opened on the top of the central cabinet 1 has its inner wall fixedly connected to the bottom of the mounting plate 201, so that the mounting plate 201 is accurately installed on the top of the central cabinet 1, providing stable support for the ventilation mechanism 2 components and ensuring the normal operation of the ventilation function.
[0047] Working principle: The central cabinet 1 is the main frame of the entire switch cabinet. The fixing plates 3 on the left and right sides of the bottom of the inner wall are stably connected to the central cabinet 1 through the fixing pieces 21 at the bottom, providing support for subsequent components. The base plate 5 serves as the load-bearing platform for the internal equipment. The connecting column 6 on the bottom rear side of the base plate 5 engages with the connecting block 4 on the bottom rear side of the inner wall of the central cabinet 1, realizing the initial positioning and installation of the rear side of the base plate 5. The sliding groove 7 on the bottom front side of the inner wall of the central cabinet 1 provides a sliding track for the moving piece 8. The operator slides the moving piece 8 and then fixes the moving piece 8 to the fixing plate 3 through the threaded screws 9, thereby completing the fixation of the front side of the base plate 5 and making the base plate 5 stably installed in the central cabinet 1. When maintenance is required inside the switch cabinet, the operator only needs to unscrew the screws 9, slide the moving piece 8 in the sliding groove 7 to release the fixation of the front side of the base plate 5, and then remove the connecting column 6 from the connecting block 4 to easily disassemble the base plate 5, thereby improving maintenance efficiency.
[0048] Furthermore, the ventilation mechanism 2 plays a role in ventilation and dust prevention during the operation of the armored withdrawable switchgear. The bottom of the mounting plate 201 is fixed to the top of the central switchgear 1, providing a stable foundation for the entire ventilation fan 2. During use, air entering the central switchgear 1 first passes through the mounting plate 201. At this time, the fixing posts 203 around the bottom of the inner wall of the mounting plate 201 engage with the inner wall of the dustproof net 204, making the dustproof net 204 securely in place. As the air passes through the dustproof net 204, the dust and impurities are effectively filtered, preventing them from entering the interior of the central switchgear 1 and damaging the electrical components. The connecting posts 202 around the top of the mounting plate 201 engage with the connecting holes 206 around the bottom of the top cover 205, securing the top cover 205 firmly to the top of the outer wall of the mounting plate 201. The top cover 205 provides protection, preventing foreign objects from directly entering the ventilation mechanism 2 and the interior of the central switchgear 1, ensuring the normal operating environment of the ventilation mechanism.
[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An armored withdrawable switchgear, including a centrally located cabinet (1), characterized in that: The inner wall of the central cabinet (1) is fixedly connected to the left and right sides of the bottom of the inner wall with a fixed plate (3). The bottom of the two fixed plates (3) is fixedly connected to a plurality of fixed pieces (21). The left and right sides of the rear side of the inner wall of the central cabinet (1) are fixedly connected to a connecting block (4). The top of the two fixed plates (3) is provided with a base plate (5). The left and right sides of the rear side of the bottom of the base plate (5) are fixedly connected to a connecting column (6). The outer walls of the two connecting columns (6) are engaged with the inner walls of the two connecting blocks (4). The left and right sides of the front side of the inner wall of the central cabinet (1) are provided with a sliding groove (7). The inner walls of the two sliding grooves (7) are slidably connected to a moving piece (8). The top of the two moving pieces (8) are threadedly connected to a screw (9). The bottom of the two screws (9) are threadedly connected to the front side of the top of the two fixed plates (3). The top of the outer wall of the central cabinet (1) is provided with a ventilation mechanism (2).
2. The armored withdrawable switchgear according to claim 1, characterized in that: The ventilation mechanism (2) includes a mounting plate (201), the bottom of which is fixedly connected to the top of the central cabinet (1). Connecting columns (202) are fixedly connected to the top four sides of the mounting plate (201). Fixing columns (203) are fixedly connected to the bottom four sides of the inner wall of the mounting plate (201). A dustproof net (204) is provided on the inner wall of the mounting plate (201). The outer walls of the multiple fixing columns (203) are engaged with the inner walls of the dustproof net (204). A top cover (205) is provided on the top of the outer wall of the mounting plate (201). Connecting holes (206) are opened on the bottom four sides of the top cover (205). The inner walls of the multiple connecting holes (206) are engaged with the outer walls of the multiple connecting columns (202).
3. The armored withdrawable switchgear according to claim 2, characterized in that: The outer wall of the top cover (205) is provided with a groove (10), and the inner wall of the groove (10) is provided with a warning sticker (11).
4. The armored withdrawable switchgear according to claim 1, characterized in that: The top front side of the central cabinet (1) is provided with a rotating door (12), and multiple hinges (13) are fixed on the front side of the central cabinet (1). The upper and lower ends of the left side of the outer wall of the rotating door (12) are rotatably connected to the front side of the central cabinet (1) through the hinges (13).
5. The armored withdrawable switchgear according to claim 1, characterized in that: The bottom front side of the central cabinet (1) is provided with a rotating door (14), and the upper and lower ends of the left side of the outer wall of the rotating door (14) are rotatably connected to the front side of the central cabinet (1) through a hinge (15).
6. The armored withdrawable switchgear according to claim 5, characterized in that: The front right side of the rotating door 2 (14) is provided with a mounting groove 1 (16), and a handle (17) is fixedly connected to the inner wall of the mounting groove 1 (16).
7. The armored withdrawable switchgear according to claim 4, characterized in that: A display (18) is fixedly connected to the left end of the front side of the outer wall of the rotating door (12), and two display tables (19) are fixedly connected to the right end of the front side of the outer wall of the rotating door (12).
8. The armored withdrawable switchgear according to claim 2, characterized in that: The top of the central cabinet (1) is provided with a second mounting groove (20), and the inner wall of the second mounting groove (20) is fixedly connected to the bottom of the mounting plate (201).