Protection device for high-low voltage cabinet

Abstract

The utility model discloses a high-low voltage cabinet protection device, and relates to the technical field of high-low voltage cabinet protection devices. Comprising a cabinet body, a base is fixedly arranged at the bottom of the cabinet body, a worm is movably arranged in the base, a worm gear is movably arranged on the surface of the worm, a threaded rod is fixedly arranged in the worm gear, a nut seat is movably arranged outside the threaded rod, and a lifting plate is fixedly arranged on one side of the nut seat. Universal wheels are arranged on the periphery of the bottom of the lifting plate, a mounting seat is fixedly arranged at the top of the cabinet body, a mounting groove is formed in the mounting seat, a pull rod is movably arranged in the mounting groove, a spring sleeves the pull rod, a clamping block is fixedly arranged at one end of the pull rod, and a clamping groove is formed in the other end of the clamping block. The clamping block is movably connected with the connecting base, a supporting rod is fixedly arranged at the top of the connecting base, and a protection plate is fixedly arranged at one end of the supporting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of high and low voltage cabinet protection devices, in particular to a high and low voltage cabinet protection device. Background Art

[0002] High and low voltage cabinets are high and low voltage switch cabinets. As the name suggests, they are equipment for connecting high-voltage or low-voltage cables. Generally, power supply bureaus and substations use high-voltage cabinets, which are then stepped down by transformers and then to low-voltage cabinets. The low-voltage cabinets are then sent to the distribution boxes of various electricity users. They are nothing more than electrical equipment that assembles some protective devices such as switches and circuit breakers into one.

[0003] Chinese utility model patent CN220934683U discloses a conveniently assembled power distribution cabinet, comprising an upper cabinet, a middle cabinet and a lower cabinet, one side of the upper cabinet and the middle cabinet are provided with a snap-fit ​​groove, one side of the middle cabinet and the lower cabinet is provided with a snap-fit ​​protrusion, the snap-fit ​​protrusion is snapped into the snap-fit ​​groove, and one side of the upper cabinet is provided with a cabinet door; the cabinet door comprises a split plate corresponding to the position of the upper cabinet, the lower cabinet and the middle cabinet, and the position of the split plate is respectively connected to the upper cabinet, the lower cabinet and the middle cabinet through a mounting block and a connecting slot; one side of the mounting block is provided with a dovetail protrusion, and the shape of the connecting slot corresponds to the position of the dovetail protrusion; through the designed upper cabinet, the middle cabinet and the lower cabinet, when in use, the upper cabinet, the middle cabinet and the lower cabinet are assembled by snapping the snap-fit ​​protrusion and the snap-fit ​​groove, the cabinet door is limited to ensure stability during use, and the cabinet door is conveniently installed through the mounting block and the connecting slot.

[0004] However, although the above device is relatively easy to assemble, it does not have the protective function of the device. If debris falling from a high altitude causes damage to the high and low voltage cabinets, it will affect the service life of the high and low voltage cabinets and even cause internal circuit breakage, making it inconvenient for users to use. Utility Model Content

[0005] The utility model provides a protection device for high and low voltage cabinets to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protection device for high and low voltage cabinets, comprising a cabinet body, a base is fixedly provided at the bottom of the cabinet body, a worm is movably provided inside the base, one end of the worm passes through one side of the base and extends to the outside of the base, one end of the worm is fixedly provided with a rotating handle, a worm wheel is movably provided on the surface of the worm, a threaded rod is fixedly provided inside the worm wheel, a nut seat is movably provided outside the threaded rod, a lifting plate is fixedly provided on one side of the nut seat, universal wheels are provided around the bottom of the lifting plate, a mounting seat is fixedly provided on the top of the cabinet body, a mounting slot is provided inside the mounting seat, a pull rod is movably provided inside the mounting slot, a spring is sleeved on the outside of the pull rod, a clamping block is fixedly provided on one end of the pull rod, the clamping block is movably connected to the connecting seat, a support rod is fixedly provided on the top of the connecting seat, and a protective plate is fixedly provided on one end of the support rod.

[0007] Furthermore, a component rack is movably provided inside the cabinet, and mounting plates are fixedly provided on both sides of the component rack, and the mounting plates are movably connected to the inner wall of the cabinet through fixing bolts.

[0008] Furthermore, the connection relationship between the worm and the worm wheel is a meshing connection.

[0009] Furthermore, the connection relationship between the threaded rod and the nut seat is a threaded connection, and a threaded hole matching the threaded rod is provided inside the nut seat.

[0010] Furthermore, sliders are fixedly provided on both sides of the lifting plate, and sliding grooves adapted to the sliders are provided on both sides of the inner wall of the base, and the connection relationship between the sliders and the sliding grooves is a sliding connection.

[0011] Furthermore, both sides of the connection seat are provided with clamping grooves adapted to the clamping blocks, and the clamping blocks are clamped inside the clamping grooves.

[0012] Compared with the prior art, the utility model provides a protection device for high and low voltage cabinets, which has the following beneficial effects:

[0013] The high and low voltage cabinet protection device can prevent debris falling from heights from causing damage to the high and low voltage cabinets by arranging a protective plate, and can protect the high and low voltage cabinets. When the protective plate needs to be replaced, the pull rod is pulled to both sides to compress the spring, so that one end of the pull rod drives the clamping block to move to the inside of the installation groove, so that the clamping state of the clamping block and the connecting seat can be released, the protective plate can be disassembled, and the replacement of the protective plate is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 This is a front view structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the enlarged structure of part A of the utility model.

[0018] In the figure: 1. cabinet; 2. component rack; 201. mounting plate; 202. fixing bolt; 3. base; 301. worm; 302. rotating handle; 303. worm wheel; 304. threaded rod; 305. nut seat; 306. lifting plate; 307. universal wheel; 308. slider; 309. slide groove; 4. mounting seat; 401. mounting groove; 402. pull rod; 403. spring; 404. clamping block; 5. connecting seat; 501. support rod; 502. protective plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model discloses a protection device for high and low voltage cabinets, including a cabinet body 1, a base 3 is fixedly provided at the bottom of the cabinet body 1, a worm 301 is movably provided inside the base 3, one end of the worm 301 passes through one side of the base 3 and extends to the outside of the base 3, a rotating handle 302 is fixedly provided at one end of the worm 301, a worm wheel 303 is movably provided on the surface of the worm 301, a threaded rod 304 is fixedly provided inside the worm wheel 303, a nut seat 305 is movably provided outside the threaded rod 304, and one side of the nut seat 305 is fixedly provided A lifting plate 306 is provided, and universal wheels 307 are provided around the bottom of the lifting plate 306. A mounting seat 4 is fixedly provided on the top of the cabinet 1, and a mounting groove 401 is opened inside the mounting seat 4. A pull rod 402 is movably provided inside the mounting groove 401, and a spring 403 is sleeved on the outside of the pull rod 402. A clamping block 404 is fixedly provided at one end of the pull rod 402, and the clamping block 404 is movably connected to the connecting seat 5. A support rod 501 is fixedly provided on the top of the connecting seat 5, and a protective plate 502 is fixedly provided at one end of the support rod 501.

[0021] Specifically, a component rack 2 is movably disposed inside the cabinet 1 , and mounting plates 201 are fixedly disposed on both sides of the component rack 2 . The mounting plates 201 are movably connected to the inner wall of the cabinet 1 via fixing bolts 202 .

[0022] In this embodiment, by providing a component rack 2, a mounting plate 201 and fixing bolts 202, the component rack 2 can classify and organize the wires inside the high and low voltage cabinets to prevent the wires from being entangled and causing a circuit breaker. The connection between the mounting plate 201 and the inner wall of the cabinet 1 can be released by rotating the fixing bolts 202, and the component rack 2 can be disassembled. It is very practical and convenient for users to use.

[0023] Specifically, the connection relationship between the worm 301 and the worm wheel 303 is a meshing connection.

[0024] In this embodiment, by setting up a worm 301 and a worm wheel 303, utilizing the meshing connection relationship between the worm 301 and the worm wheel 303, the worm 301 is driven to rotate by rotating the rotating handle 302, so that the worm 301 drives the worm wheel 303 to rotate, and then the worm wheel 303 drives the threaded rod 304 to rotate, thereby achieving the purpose of driving the threaded rod 304 to rotate. The steps are simple, the operation is convenient, and it has a strong simplicity.

[0025] Specifically, the connection relationship between the threaded rod 304 and the nut seat 305 is a threaded connection, and a threaded hole matched with the threaded rod 304 is opened inside the nut seat 305 .

[0026] In this embodiment, by setting a threaded rod 304 and a nut seat 305, utilizing the threaded connection relationship between the threaded rod 304 and the nut seat 305, by driving the threaded rod 304 to rotate, the nut seat 305 is made to perform vertical lifting movement along the outside of the threaded rod 304, and then the nut seat 305 drives the lifting plate 306 and the universal wheel 307 to perform vertical lifting movement, and the universal wheel 307 can be extended and retracted. When the high and low voltage cabinets need to be moved, the universal wheel 307 is extended and the high and low voltage cabinets are lifted up, which can drive the high and low voltage cabinets to move, thereby improving the convenience of the device.

[0027] Specifically, sliders 308 are fixedly provided on both sides of the lifting plate 306, and sliding grooves 309 adapted to the sliders 308 are provided on both sides of the inner wall of the base 3, and the connection relationship between the sliders 308 and the sliding grooves 309 is a sliding connection.

[0028] In this embodiment, by providing a slider 308 and a slide groove 309, and utilizing the sliding connection relationship between the slider 308 and the slide groove 309, when the nut seat 305 drives the lifting plate 306 to perform vertical lifting movement, the slider 308 also slides synchronously inside the slide groove 309, which can improve the stability of the movement of the lifting plate 306, and further improve the stability of the entire telescopic mechanism of the universal wheel 307.

[0029] Specifically, both sides of the connection seat 5 are provided with engaging grooves adapted to the engaging blocks 404 , and the engaging blocks 404 are engaged with the inside of the engaging grooves.

[0030] In this embodiment, by setting a clamping block 404 and utilizing the clamping state of the clamping block 404 and the clamping grooves on both sides of the connecting seat 5, the pull rod 402 is pulled to both sides to compress the spring 403, so that one end of the pull rod 402 drives the clamping block 404 to move to the inside of the installation groove 401, thereby releasing the clamping state between the clamping block 404 and the connecting seat 5, realizing the disassembly of the protective plate 502, and facilitating the replacement of the protective plate 502.

[0031] When in use, the staff first rotates the rotating handle 302 to drive the worm 301 to rotate, so that the worm 301 drives the worm wheel 303 to rotate, and then the worm wheel 303 drives the threaded rod 304 to rotate, and by driving the threaded rod 304 to rotate, the nut seat 305 is made to perform vertical lifting movement along the outside of the threaded rod 304, and then the nut seat 305 drives the lifting plate 306 and the universal wheel 307 to perform vertical lifting movement, and the universal wheel 307 can be extended and retracted. When the high and low voltage cabinets need to be moved, the universal wheel 307 is extended and the high and low voltage cabinets are lifted up, driving the cabinet body 1 to move to the specified position, and then the universal wheel 307 is retracted to the inside of the base 3 to keep the cabinet The cabinet body 1 is stable, wherein the component rack 2 inside the cabinet body 1 can classify and organize the wires inside the high and low voltage cabinets to prevent the wires from being entangled and causing a circuit breaker. Finally, the protective plate 502 on the top of the cabinet body 1 can prevent debris falling from a height from causing damage to the high and low voltage cabinets, and can protect the high and low voltage cabinets. When the protective plate 502 needs to be replaced, the spring 403 is compressed by pulling the pull rod 402 to both sides, and then one end of the pull rod 402 drives the clamping block 404 to move to the inside of the installation groove 401, so that the clamping state of the clamping block 404 and the connecting seat 5 can be released, and the protective plate 502 can be disassembled, which is convenient for replacing the protective plate 502.

[0032] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protection device for high and low voltage cabinets, comprising a cabinet body (1), characterized in that: A base (3) is fixedly provided at the bottom of the cabinet (1); a worm (301) is movably provided inside the base (3); one end of the worm (301) passes through one side of the base (3) and extends to the outside of the base (3); a rotating handle (302) is fixedly provided at one end of the worm (301); a worm wheel (303) is movably provided on the surface of the worm (301); a threaded rod (304) is fixedly provided inside the worm wheel (303); a nut seat (305) is movably provided outside the threaded rod (304); a lifting plate (306) is fixedly provided on one side of the nut seat (305); and the lifting plate (306) is fixedly provided on one side of the nut seat (305). Universal wheels (307) are arranged around the bottom of the cabinet (306), a mounting seat (4) is fixedly arranged on the top of the cabinet (1), a mounting groove (401) is opened inside the mounting seat (4), a pull rod (402) is movably arranged inside the mounting groove (401), a spring (403) is sleeved on the outside of the pull rod (402), a clamping block (404) is fixedly arranged at one end of the pull rod (402), the clamping block (404) is movably connected to the connecting seat (5), a support rod (501) is fixedly arranged on the top of the connecting seat (5), and a protective plate (502) is fixedly arranged at one end of the support rod (501).

2. A protection device for high and low voltage cabinets according to claim 1, characterized in that: A component frame (2) is movably arranged inside the cabinet (1), and mounting plates (201) are fixedly arranged on both sides of the component frame (2), and the mounting plates (201) are movably connected to the inner wall of the cabinet (1) via fixing bolts (202).

3. The high and low voltage cabinet protection device according to claim 1 is characterized in that: The connection relationship between the worm (301) and the worm wheel (303) is a meshing connection.

4. The protection device for high and low voltage cabinets according to claim 1 is characterized in that: The connection relationship between the threaded rod (304) and the nut seat (305) is a threaded connection, and a threaded hole matching the threaded rod (304) is provided inside the nut seat (305).

5. The protection device for high and low voltage cabinets according to claim 1 is characterized in that: Slide blocks (308) are fixedly provided on both sides of the lifting plate (306), and slide grooves (309) adapted to the slide blocks (308) are provided on both sides of the inner wall of the base (3), and the connection relationship between the slide blocks (308) and the slide grooves (309) is a sliding connection.

6. The protection device for high and low voltage cabinets according to claim 1 is characterized in that: Both sides of the connection seat (5) are provided with clamping grooves adapted to the clamping blocks (404), and the clamping blocks (404) are clamped inside the clamping grooves.

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