A high-voltage switchgear cabinet that is easy to disassemble and maintain

Abstract

The present invention discloses a high-voltage switchgear that is easy to disassemble and maintain, and relates to the technical field of high-voltage switchgear. The switchgear comprises a cabinet and a base, wherein support legs are vertically provided at the four corners of the bottom end surface of the base, a mounting seat is provided at the center position of the upper end of the base, the cabinet is arranged on the upper end surface of the base, and the side walls around the inner bottom end of the cabinet are seamlessly engaged with the side walls around the mounting seat, a positioning mechanism for positioning the cabinet is provided on the mounting seat, a heat conduction hole for heat conduction is provided on the base, and a plurality of mounting threaded holes that are evenly distributed in a rectangular shape and are interconnected with the inside of the heat conduction hole are provided on the mounting seat. The present invention is a high-voltage switchgear that is easy to disassemble and maintain, and is easy to install and disassemble, thereby facilitating daily rapid disassembly and maintenance operations. In addition, in the event of heavy rain, the interior of the cabinet is relatively sealed to prevent rainwater from seeping into the cabinet and damaging electrical appliances. Even when an electrical appliance inside the cabinet fails and is repaired at night, the danger can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of high-voltage switch cabinets, in particular to a high-voltage switch cabinet that is easy to disassemble and maintain. Background Art

[0002] High-voltage switchgear is used for switching, controlling or protecting the power generation, transmission, distribution, conversion and consumption of power systems. The switchgear has functions such as overhead incoming and outgoing lines, cable incoming and outgoing lines, and busbar connection. It is mainly suitable for various places such as power plants, substations, petrochemicals, metallurgy and steel rolling, light industry and textiles, factories and mines, residential areas, high-rise buildings, etc. Existing high-voltage switchgear fixed outdoors is affected by the external weather when in use, and will be exposed to direct sunlight or heavy rain. If heavy rain causes water to accumulate and cannot be drained away, it will eventually enter the high-voltage switchgear. Leakage will occur inside the high-voltage switchgear, endangering pedestrian safety. If water accumulates inside the high-voltage switchgear and cannot be quickly handled, excessive water accumulation will damage electrical appliances. When electrical appliances inside the high-voltage switchgear fail, there is a great risk during night-time emergency repairs. Therefore, a high-voltage switchgear that is easy to disassemble and maintain is designed to solve the above problems. Summary of the Invention

[0003] The object of the present invention is to provide a high-voltage switchgear that is easy to disassemble and maintain, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-voltage switchgear cabinet that is easy to disassemble and maintain, comprising a cabinet body and a base, wherein supporting legs are vertically provided at the four corners of the bottom end surface of the base, a mounting seat is provided at the center position of the upper end of the base, the interior of the cabinet body is a hollow structure, and there is no bottom cover at the bottom end, the cabinet body is arranged on the upper end surface of the base, and the side walls around the inner bottom end of the cabinet body are seamlessly engaged with the side walls around the mounting seat, a positioning mechanism for positioning the cabinet body is provided on the mounting seat, and the positioning mechanism is used to facilitate the cabinet body to be arranged on the upper end surface of the base, and the side walls around the inner bottom end of the cabinet body are seamlessly engaged with the side walls around the mounting seat, which is convenient for installation and disassembly, thereby facilitating daily rapid disassembly and maintenance operations, and in addition, in the event of heavy rain, it is convenient to ensure that the interior of the cabinet body is relatively sealed to prevent rainwater from seeping into the cabinet body and damaging electrical appliances, and even when emergency repairs are carried out at night if an electrical appliance inside the cabinet fails, the danger can be reduced;

[0005] The base is provided with a heat conduction hole for heat conduction, and the mounting seat is provided with a plurality of mounting threaded holes evenly distributed in a rectangular shape, all of which are interconnected with the interior of the heat conduction hole. By providing the mounting threaded holes that are interconnected with the interior of the heat conduction hole, effective heat dissipation operation is facilitated during daily use, protecting electrical appliances. At the same time, the mounting threaded holes can also be used for mounting electrical appliances.

[0006] In a further embodiment, the upper end surface of the base is provided with a rectangular rubber sealing gasket that is engaged with the outer wall of the mounting seat and fits with the side wall of the bottom opening of the cabinet. By providing the rectangular rubber sealing gasket, the sealing between the cabinet and the base is improved.

[0007] In a further embodiment, an inverted T-shaped slide groove is provided on both sides of the upper end surface of the mounting seat, and the positioning mechanism includes a positioning support plate, an inverted T-shaped slider and a guide rod. The inverted T-shaped slider is fixedly arranged at the middle position of the bottom end of the positioning support plate, and the inverted T-shaped slider is slidably engaged in the corresponding inverted T-shaped slide groove, and the guide rod slides through the corresponding inverted T-shaped slider, and the axial ends of the guide rod are fixedly plugged into the inner side walls of the inverted T-shaped slide groove.

[0008] In a further embodiment, a section of the outer walls of the two guide rods that are away from each other are slidably sleeved with springs, and the two springs are respectively located on the outside of the two inverted T-shaped sliders, the cabinet body is set on the upper end surface of the base, and the side walls around the inner bottom end of the cabinet body are seamlessly engaged with the side walls around the mounting seat, and then the inner wall of the cabinet body is pressed against the positioning plate, so that the cabinet body can be positioned.

[0009] In a further embodiment, the side walls on which the two positioning plates are away from each other are provided with limiting teeth, and the side walls on which the limiting teeth are away from the positioning plates are provided with an inclined surface inclined 45° toward the bottom of the positioning plates. The inner side walls of the cabinet are provided with vertically distributed rectangular slots, and the limiting teeth are matched and engaged with the corresponding inner parts of the rectangular slots. The limiting teeth of the positioning plates can be matched and engaged with the corresponding inner parts of the rectangular slots to prevent the fixed cabinet from shaking or detaching from the base. In addition, the limiting teeth are matched and engaged with the corresponding rectangular slots. As the limiting teeth continue to be stuck deep into the rectangular slots, the 45° inclined surface of the limiting teeth will gradually press down the rectangular slots, so that the cabinet can be further pressed down, further enhancing the sealing of the cabinet and the base during installation, and preventing rainwater from seeping into the cabinet and damaging electrical appliances.

[0010] In a further embodiment, two adjusting mechanisms are provided in the cabinet, and the adjusting mechanism includes a threaded adjusting rod, a crossbeam and a pressure block, and guide slots are provided on both side walls inside the cabinet, and the axial ends of the crossbeam are respectively slidably engaged in the two guide slots, and the pressure block is fixedly arranged at the middle section of the bottom end of the crossbeam, and the crossbeam and the middle section of the pressure block are provided with threaded holes that are connected to each other, and the threaded adjusting rod slides through the top of the cabinet and then rotates through the threaded hole of the crossbeam and extends to the inside of the threaded hole of the pressure block, and the side wall of the pressure block is provided with a downward pressing inclined surface for pressing down the positioning plate, and the threaded adjusting rod is rotated by hand through the external thread and the threaded hole of the crossbeam and the threaded hole of the pressure block, so that the crossbeam follows the pressure block to adjust up and down along the inside of the two guide slots;

[0011] When the crossbeam follows the pressure block and adjusts downward along the two guide slots, the downward pressing slope of the pressure block presses down along the side wall of the positioning plate, and the two positioning plates can be slid and adjusted to the side away from each other along the inverted T-shaped slide slot through the inverted T-shaped slider, so that the spring can be compressed, and the limiting teeth of the positioning plate can be matched and engaged with the corresponding rectangular slots, so that the cabinet can be fixed and installed to prevent shaking or separation from the base;

[0012] When the crossbeam follows the pressure block and adjusts upward along the two guide slots, the spring resets, allowing the inverted T-shaped slider of the positioning plate to slide along the inverted T-shaped slots toward the side closer to each other, so that the limiting teeth of the positioning plate can be disengaged from the corresponding rectangular slots, so that the cabinet can be taken away by hand for quick disassembly, facilitating daily disassembly and maintenance operations.

[0013] In a further embodiment, a sealing mechanism for sealing the bottom opening of the thermal hole is provided inside the thermal hole. The sealing mechanism is used to seal the bottom opening of the thermal hole to ensure the sealing inside the cabinet and prevent rainwater from seeping into the cabinet and damaging electrical appliances.

[0014] In a further embodiment, the sealing mechanism includes a servo motor, a transmission rod and a plurality of sealing plates, the axial ends of the plurality of sealing plates are hinged between the inner side walls of the heat conduction hole by pins, the servo motor is embedded in the inner upper end side wall of the heat conduction hole, the servo motor is connected to one end of the transmission rod through a power shaft, and the other end of the transmission rod is rotatably plugged into the side wall of the heat conduction hole away from the servo motor. The transmission rod is located directly above the plurality of sealing plates, and the radial side wall of the transmission rod is radially provided with a plurality of levers for driving the sealing plates to rotate. When the electrical appliances inside the cabinet are working, the servo motor can be used to Driving the transmission rod to rotate can drive the lever to rotate, which can be used to move the sealing plate, causing the sealing plate to rotate around the pin shaft. The torsion spring generates torsional potential energy, thereby connecting the inside of the cabinet with the outside world, which is helpful for the heat dissipation operation of the electrical appliances. Conversely, the servo motor drives the transmission rod to rotate in the opposite direction, the tip of the lever is away from the sealing plate, the torsion spring is reset, and drives the sealing plate to reverse around the pin shaft. This ensures that the sealing plate is in a horizontal state in the natural state, thereby isolating the heat conduction hole from the outside, preventing rainwater from seeping into the cabinet and damaging the electrical appliances. Even when an electrical appliance inside the cabinet fails and emergency repairs are carried out at night, the danger can be reduced.

[0015] In a further embodiment, a torsion spring is provided at the hinge between the sealing plate and the pin shaft for ensuring that the sealing plate is in a horizontal state in a natural state. By providing the torsion spring, the sealing plate is in a horizontal state in a natural state.

[0016] In a further embodiment, the opposite side walls of two adjacent sealing plates are provided with rubber sealing gaskets for sealing fit. By providing rubber sealing gaskets for sealing fit on the opposite side walls of two adjacent sealing plates, the sealing inside the cabinet is further ensured.

[0017] In a further embodiment, two handles are symmetrically provided on the outer wall of the cabinet, and the handles are provided to facilitate taking, disassembling and installing the cabinet.

[0018] In a further embodiment, the heat conducting hole is a rectangular cavity structure or a cylindrical cavity structure.

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

[0020] The present invention provides a high-voltage switch cabinet that is easy to disassemble and maintain. It is easy to install and disassemble, thereby facilitating daily rapid disassembly and maintenance operations. In addition, in the event of heavy rain, the interior of the cabinet can be relatively sealed to prevent rainwater from seeping into the cabinet and damaging electrical appliances. Even when an electrical appliance inside the cabinet fails and emergency repairs are required at night, the danger can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an exploded view of the main structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 A magnified view of the structure at center A;

[0023] Figure 3 This is a side structural sectional view of the cabinet of the present invention;

[0024] Figure 4 It is a cross-sectional view of a compact of the present invention;

[0025] Figure 5 It is a cross-sectional view of the base of the present invention.

[0026] In the figure: 1. Base; 11. Support leg; 12. Rectangular rubber sealing pad; 13. Mounting seat; 14. Mounting threaded hole; 15. Inverted T-shaped slide; 16. Heat conduction hole; 2. Positioning mechanism; 21. Positioning support plate; 22. Limiting tooth; 23. Inverted T-shaped slider; 24. Guide rod; 25. Spring; 3. Cabinet; 31. Handle; 32. Guide slide; 4. Adjustment mechanism; 41. Crossbeam; 42. Pressure block; 43. Threaded adjustment rod; 5. Sealing mechanism; 51. Servo motor; 52. Transmission rod; 53. Drive rod; 54. Pin; 55. Sealing plate; 56. Torsion spring. DETAILED DESCRIPTION

[0027] The embodiments of the present application solve the problems raised in the prior art by providing a high-voltage switchgear that is easy to disassemble and maintain. The following will be clearly and completely described in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example 1

[0029] See also Figure 1-5 The present embodiment provides a high-voltage switchgear that is easy to disassemble and maintain, including a cabinet 3 and a base 1. Support legs 11 are vertically provided at the four corners of the bottom end surface of the base 1. A mounting seat 13 is provided at the center position of the upper end of the base 1. The interior of the cabinet 3 is a hollow structure and has no bottom cover at the bottom. The cabinet 3 is arranged on the upper end surface of the base 1, and the side walls around the inner bottom end of the cabinet 3 are seamlessly engaged with the side walls around the mounting seat 13. A positioning mechanism 2 for positioning the cabinet 3 is provided on the mounting seat 13. The positioning mechanism 2 is used to facilitate the cabinet 3 to be set on the upper end surface of the base 1, and the side walls around the inner bottom end of the cabinet 3 are seamlessly engaged with the side walls around the mounting seat 13, which is easy to install and disassemble, thereby facilitating daily rapid disassembly and maintenance operations. In addition, it is convenient to ensure that the interior of the cabinet 3 is relatively sealed in the event of heavy rain, so as to prevent rainwater from seeping into the cabinet 3 and damaging electrical appliances. Even if an electrical appliance inside the cabinet 3 fails and is repaired at night, the danger can be reduced.

[0030] Two handles 31 are symmetrically provided on the outer wall of the cabinet body 3. The handles 31 make it easy to take off, disassemble and install the cabinet body 3. The base 1 is provided with a heat conduction hole 16 for heat conduction. The mounting seat 13 is provided with a number of mounting threaded holes 14 evenly distributed in a rectangular shape, which are all interconnected with the inside of the heat conduction hole 16. By providing the mounting threaded holes 14 that are interconnected with the inside of the heat conduction hole 16, effective heat dissipation operation is facilitated during daily use to protect electrical appliances.

[0031] In order to solve the problem of how to ensure the sealing between the cabinet body 3 and the base 1, the upper end surface of the base 1 is provided with a rectangular rubber sealing gasket 12 that is engaged with the outer wall of the mounting seat 13 and is in contact with the side wall of the bottom opening of the cabinet body 3. By providing the rectangular rubber sealing gasket 12, the sealing between the cabinet body 3 and the base 1 is improved.

[0032] In order to solve the problem of how to position the cabinet 3 on the base 1, an inverted T-shaped slide 15 is provided on both sides of the upper end surface of the mounting seat 13. The positioning mechanism 2 includes a positioning support plate 21, an inverted T-shaped slider 23 and a guide rod 24. The inverted T-shaped slider 23 is fixedly arranged at the middle position of the bottom end of the positioning support plate 21, and the inverted T-shaped slider 23 is slidably engaged with the corresponding inverted T-shaped slide 15. The guide rod 24 slides through the corresponding inverted T-shaped slider 23, and the axial ends of the guide rod 24 are fixedly plugged into the inner end side walls of the inverted T-shaped slide 15. The outer walls of the two guide rods 24 are slidably sleeved with springs 25 at a section away from each other, and the two springs 25 are respectively located on the outer sides of the two inverted T-shaped sliders 23. The cabinet 3 is set on the upper end surface of the base 1, and the side walls around the inner bottom end of the cabinet 3 are seamlessly engaged with the side walls around the mounting seat 13. Then, the positioning support plate 21 is pressed against the inner wall of the cabinet 3, so that the cabinet 3 can be positioned.

[0033] In order to further solve the problem of how to position the cabinet 3 on the base 1, a side wall on which the two positioning plates 21 are away from each other is provided with a limiting tooth 22, and the side wall on which the limiting tooth 22 is away from the positioning plate 21 is provided with a slope inclined 45° toward the bottom of the positioning plate 21. The inner side wall of the cabinet 3 is provided with a vertically distributed rectangular slot, and the limiting teeth 22 are matched and engaged with the corresponding inner part of the rectangular slot. The limiting teeth 22 of the positioning plate 21 can be matched and engaged with the corresponding inner part of the rectangular slot to prevent the fixed cabinet 3 from shaking or detaching from the base 1. In addition, the limiting teeth 22 are matched and engaged with the corresponding rectangular slot. As the limiting teeth 22 continue to be stuck deep into the rectangular slot, the 45° slope of the limiting teeth 22 will gradually press down the rectangular slot, so that the cabinet 3 can be further pressed down, further enhancing the sealing of the cabinet 3 and the base 1 during installation, and preventing rainwater from seeping into the cabinet 3 and damaging electrical appliances.

[0034] The cam 42 is fixed to the bottom of the frame 3 and is fixed to the frame 3 so that the cam 42 can be adjusted upward and downward along the two guide grooves 32.

[0035] When the crossbeam 41 follows the pressing block 42 and is adjusted downward along the two guide slots 32, the downward pressing inclined surface of the pressing block 42 presses down along the side wall of the positioning support plate 21, and the two positioning support plates 21 can be slid and adjusted to the side away from each other along the inverted T-shaped slide 15 through the inverted T-shaped slider 23, so that the spring 25 can be compressed, and the limiting teeth 22 of the positioning support plate 21 can be matched and engaged with the corresponding rectangular slots, so that the cabinet body 3 can be fixed and installed to prevent shaking or separation from the base 1;

[0036] When the crossbeam 41 follows the pressure block 42 and is adjusted upward along the two guide slots 32, the spring 25 is reset, and the inverted T-shaped slider 23 of the positioning plate 21 can be slid and adjusted along the inverted T-shaped slot 15 toward the side close to each other, so that the limiting teeth 22 of the positioning plate 21 can be disengaged from the corresponding rectangular slot, so that the cabinet body 3 can be taken away by hand and quickly disassembled, so as to facilitate daily disassembly and maintenance operations.

[0037] In order to solve the problem of how to ensure the sealing of the interior of the cabinet 3, a sealing mechanism 5 for sealing the bottom opening of the thermal hole 16 is provided inside the thermal hole 16. The sealing mechanism 5 is used to seal the bottom opening of the thermal hole 16 to ensure the sealing of the interior of the cabinet 3 and prevent rainwater from seeping into the cabinet 3 and damaging electrical appliances.

[0038] In order to further solve the problem of how to ensure the sealing of the interior of the cabinet 3, the sealing mechanism 5 includes a servo motor 51, a transmission rod 52 and a plurality of sealing plates 55. The axial ends of the plurality of sealing plates 55 are hinged between the inner side walls of the heat conduction hole 16 by a pin shaft 54, and a torsion spring 56 is provided at the hinge to ensure that the sealing plate 55 is in a horizontal state in the natural state. The servo motor 51 is embedded in the inner upper end side wall of the heat conduction hole 16, and the servo motor 51 is connected to one end of the transmission rod 52 through a power shaft, and the other end of the transmission rod 52 is rotatably plugged into the side wall of the heat conduction hole 16 away from the servo motor 51. The transmission rod 52 is located directly above the plurality of sealing plates 55, and the radial side wall of the transmission rod 52 is radially provided with a plurality of levers 53 for driving the sealing plates 55 to rotate. When the electrical appliances inside the cabinet 3 are working, the servo motor 51 can be used to drive the transmission rod 52 to rotate, which can drive the lever 53 to rotate, so that the lever 53 can be used to move the sealing plate 55, so that the sealing plate 55 rotates around the pin 54, and the torsion spring 56 generates torsional potential energy, thereby connecting the inside of the cabinet 3 with the outside world, which is conducive to the heat dissipation operation of the electrical appliances. Conversely, the servo motor 51 drives the transmission rod 52 to rotate in the opposite direction, the tip of the lever 53 is away from the sealing plate 55, the torsion spring 56 is reset, and drives the sealing plate 55 to reverse around the pin 54. In this way, it is ensured that the sealing plate 55 is in a horizontal state in the natural state, thereby isolating the heat conduction hole 16 from the outside, preventing rainwater from seeping into the cabinet 3 and damaging the electrical appliances. Even when the electrical appliances inside the cabinet 3 fail and emergency repairs are carried out at night, the danger can be reduced.

[0039] In this embodiment, the heat conducting hole 16 is a cavity structure of a rectangular structure. There are four corners in the inner cavity of the rectangular structure. The four corners are close to the side walls. When the air circulates, the air circulation close to the side walls can be ensured to be smoother, and the corners are more convenient for air circulation. In addition, certain eddies will be generated at the corners, which increases the heat conduction effect of the air and can also accelerate the irregular flow of air, but it is easy to generate noise.

[0040] In a further embodiment, the heat conducting hole 16 may also be a cylindrical cavity structure. The cylindrical cavity structure has a larger inner surface area, which can increase the flow rate of the air and make the air flow smoother, thereby avoiding vortexes.

[0041] Example 2

[0042] See also Figure 5 , further improvements were made on the basis of Example 1:

[0043] In order to further ensure the sealing inside the cabinet 3, the opposite side walls of two adjacent sealing plates 55 are provided with rubber sealing gaskets for sealing. By providing rubber sealing gaskets for sealing on the opposite side walls of two adjacent sealing plates 55, the sealing inside the cabinet 3 is further ensured.

[0044] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A high-voltage switch cabinet that is easy to disassemble and maintain, comprising a cabinet body (3) and a base (1), wherein support legs (11) are vertically provided at four corners of the bottom end surface of the base (1), characterized in that: A mounting seat (13) is provided at the center of the upper end of the base (1); the interior of the cabinet (3) is a hollow structure, and the bottom end has no bottom cover; the cabinet (3) is arranged on the upper end surface of the base (1), and the side walls around the bottom end of the cabinet (3) are seamlessly engaged with the side walls around the mounting seat (13); a positioning mechanism (2) for positioning the cabinet (3) is provided on the mounting seat (13); the base (1) is provided with a heat conduction hole (16) for heat conduction; the mounting seat (13) is provided with a plurality of mounting threaded holes (14) evenly distributed in a rectangular shape and interconnected with the inside of the heat conduction hole (16); The left and right sides of the upper end surface of the mounting seat (13) are both provided with an inverted T-shaped slide groove (15), and the positioning mechanism (2) includes a positioning support plate (21), an inverted T-shaped slider (23) and a guide rod (24), wherein the inverted T-shaped slider (23) is fixedly arranged at the middle position of the bottom end of the positioning support plate (21), and the inverted T-shaped slider (23) is slidably engaged with the inside of the corresponding inverted T-shaped slide groove (15), and the guide rod (24) slides through the corresponding inverted T-shaped slider (23), and the axial ends of the guide rod (24) are fixedly engaged with the inner side walls of the inverted T-shaped slide groove (15); A section of the outer wall of the two guide rods (24) away from each other is slidably sleeved with a spring (25), and the two springs (25) are respectively located outside the two inverted T-shaped sliders (23); A limiting tooth (22) is provided on the side wall of the two positioning plates (21) away from each other, and a side wall of the limiting tooth (22) away from the positioning plate (21) is provided with an inclined surface inclined 45° toward the bottom of the positioning plate (21), and the inner side wall of the cabinet (3) is provided with vertically distributed rectangular slots, and the limiting tooth (22) is matched and engaged with the inner side of the corresponding rectangular slot; Two adjustment mechanisms (4) are provided in the cabinet (3), and the adjustment mechanism (4) includes a threaded adjustment rod (43), a crossbeam (41) and a pressure block (42). Guide grooves (32) are provided on both side walls inside the cabinet (3), and the axial ends of the crossbeam (41) are respectively slidably engaged in the two guide grooves (32). The pressure block (42) is fixedly arranged at the middle position of the bottom end of the crossbeam (41), and threaded holes (44) that are connected to each other are provided at the middle positions of the crossbeam (41) and the pressure block (42). The threaded adjustment rod (43) slides through the top of the cabinet (3) and then rotates through the threaded hole (44) of the crossbeam (41), and extends to the inside of the threaded hole (44) of the pressure block (42). The side wall of the pressure block (42) is provided with a downward pressing inclined surface for pressing down the positioning support plate (21).

2. The high-voltage switchgear cabinet that is easy to disassemble and maintain according to claim 1 is characterized in that: The upper end surface of the base (1) is provided with a rectangular rubber sealing pad (12) which is engaged with the outer wall of the mounting seat (13) and is in contact with the side wall of the bottom opening of the cabinet (3).

3. The high-voltage switchgear cabinet that is easy to disassemble and maintain according to claim 1 is characterized in that: A sealing mechanism (5) for sealing the bottom opening of the heat conducting hole (16) is provided inside the heat conducting hole (16).

4. The high-voltage switchgear cabinet that is easy to disassemble and maintain according to claim 3 is characterized in that: The sealing mechanism (5) comprises a servo motor (51), a transmission rod (52) and a plurality of sealing plates (55), wherein both axial ends of the plurality of sealing plates (55) are hinged between the inner side walls of the heat conducting hole (16) through a pin shaft (54), the servo motor (51) is embedded in the inner upper end side wall of the heat conducting hole (16), the servo motor (51) is connected to one end of the transmission rod (52) through a power shaft, and the other end of the transmission rod (52) is rotatably plugged into the side wall of the heat conducting hole (16) away from the servo motor (51), the transmission rod (52) is located directly above the plurality of sealing plates (55), and a plurality of shifting rods (53) for shifting the sealing plates (55) are radially provided on the radial side wall of the transmission rod (52) 5. The high-voltage switchgear cabinet that is easy to disassemble and maintain according to claim 4 is characterized in that: A torsion spring (56) is provided at the hinged joint between the sealing plate (55) and the pin shaft (54) to ensure that the sealing plate (55) is in a horizontal state in a natural state.

6. The high-voltage switchgear cabinet that is easy to disassemble and maintain according to claim 4 is characterized in that: The opposite side walls of two adjacent sealing plates (55) are each provided with a rubber sealing pad for sealing.

7. The high-voltage switchgear cabinet that is easy to disassemble and maintain according to claim 1 is characterized in that: Two handles (31) are symmetrically provided on the outer wall of the cabinet (3).

8. The high-voltage switchgear cabinet that is easy to disassemble and maintain according to claim 3 is characterized in that: The heat conducting hole (16) is a rectangular parallelepiped cavity structure or a cylindrical cavity structure.

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