CN220671500U

CN220671500U - Portable overvoltage protection test device

Info

Publication number: CN220671500U
Application number: CN202322289416.7U
Authority: CN
Inventors: 贡维; 晏宸憬; 王长荣; 夏中国
Original assignee: Nanjing Jinghao Electric Power Technology Co ltd
Current assignee: Nanjing Jinghao Electric Power Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-26
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a portable overvoltage protection test device which comprises a storage box, a lifting table, a lifting driving motor and a product fixing seat. According to the utility model, the storage box with the built-in lifting table is arranged, the lightning generating contact for generating lightning is fixed on the lifting top plate, and a user can adapt to overvoltage protectors with different sizes by adjusting the height of the top plate. The lifting table can be driven by one threaded rod to lift, so that the lifting table can be lowered and stored in the storage box, and can be lifted to perform relevant test operation when a test is required.

Description

Portable overvoltage protection test device

Technical Field

The utility model belongs to the technical field of overvoltage protector tests, and particularly relates to a portable overvoltage protection test device.

Background

The overvoltage protector is an advanced protection electric appliance for limiting lightning overvoltage and operating overvoltage, and is mainly used for protecting the insulation of electric equipment such as a generator, a transformer, a vacuum switch, a bus, a motor and the like from overvoltage, lightning stroke tests are required to be carried out on the overvoltage protector before the overvoltage protector leaves a factory to be used, the production quality of the overvoltage protector is guaranteed, poor products leave the factory and serious accidents are avoided, the existing distribution line overvoltage protector test device is mainly composed of an L-shaped plate, a counter, a lightning simulator, an electric telescopic rod, a fixed pipe with a conical bottom end and the like, a worker places the overvoltage protector in the fixed pipe with the conical bottom end, and the lightning simulator emits lightning to shock the overvoltage protector.

Please refer to patent document of application number 202222107455.6, it discloses an overvoltage protector test device, the on-line screen storage device comprises a base, the top fixed mounting of base has installation pole, electric telescopic handle, thunder and lightning simulator, the top fixed mounting of electric telescopic handle has the insulating piece, the top fixed mounting of installation pole has the conducting rod, fixed mounting has the wire between the electric power generation contact and the thunder and lightning simulator in the bottom fixed mounting of conducting rod, the mounting groove has been seted up at the top of insulating piece, equal fixed mounting has the plastics dead lever on the both sides inner wall of mounting groove, one side of two plastics dead levers is equal fixed mounting has plastics slide bar and plastics installation piece.

Although the overvoltage protector disclosed some necessary parts for carrying out the test of the overvoltage protector, the whole structure is exposed, so that the overvoltage protector is inconvenient to store and carry, is unfavorable for expanding the application range, and is inconvenient to popularize.

Disclosure of Invention

The utility model aims to provide a portable overvoltage protection test device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a portable overvoltage protection test device, comprising:

the top of the storage box is open and is covered with a box cover;

the lifting table is movably arranged in the storage box; the top of the lifting platform is fixedly provided with a first sleeve pipe extending upwards; a second sleeve is movably sleeved on the outer side of the first sleeve; a top plate is fixed at the upper end of the second sleeve; a lightning generating contact is arranged on the bottom surface of the top plate;

the lifting driving motor is fixed at the bottom of the storage box and is positioned below the lifting platform, and the output end of the lifting driving motor is fixed with an upward extending threaded rod which penetrates through the lifting platform and penetrates into the first sleeve; the threaded rod is in threaded connection with the lifting table, the lifting driving motor drives the threaded rod to rotate, and the threaded rod can drive the lifting table to move in a lifting manner when rotating;

the product fixing seat is arranged on the top surface of the lifting platform and is positioned below the lightning generating contact; the product fixing seat is used for fixedly mounting the overvoltage protector to be tested.

Preferably, one side edge of the box cover is hinged with the side wall of the storage box, and the top surface of the box cover is fixed with a lifting handle with an L-shaped structure;

a pull rod is hinged to the outer surface of the side wall of the storage box;

the lifting handle is provided with a clamping groove matched with the end part of the pull rod.

Preferably, two storage bins positioned at two sides of the lifting driving motor are fixed at the bottom of the inner side of the storage box;

the side wall of the storage box is provided with openings which are respectively communicated with the two storage bins; and a bin gate for closing the opening is fixed at the opening.

Preferably, a plurality of universal wheels which are distributed in a matrix form and used for supporting the storage box are fixed at the bottom of the storage box.

Preferably, a storage table for placing an overvoltage protector is fixed at the top of the product fixing seat; two clamping plates which are arranged oppositely are movably connected to the object placing table.

Preferably, the bottom of the clamping plate is provided with an extension rod which downwards passes through the object placing table; a rack extending transversely is fixed on the extension rod; a sliding groove for the extension rod to slide is formed in the object placing table;

a clamping driving motor is arranged in the product fixing seat; the output end of the clamping driving motor is sleeved and fixed with a driving gear;

the two racks are respectively positioned at two sides of the driving gear and are both meshed with the driving gear.

The utility model has the technical effects and advantages that:

(1) According to the utility model, the storage box with the lifting table arranged inside is arranged, the lifting table is provided with the product fixing seat for fixing the overvoltage protector and the lightning generating contact for generating lightning, the lightning generating contact is fixed on the lifting top plate, and a user can adapt to the overvoltage protectors with different sizes by adjusting the height of the top plate. The lifting table can be driven by one threaded rod to lift, so that the lifting table can be lowered and stored in the storage box, and can be lifted to perform relevant test operation when a test is required.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a structure of a storage table according to the present utility model;

FIG. 3 is a top view of the splint of the present utility model;

fig. 4 is a schematic diagram of the matching relationship between the driving gear and the rack of the present utility model.

In the figure:

1. a storage box; 11. a case cover; 111. a lifting handle; 12. a storage bin; 13. a bin gate; 14. a universal wheel; 15. a pull rod; 2. a lifting table; 21. a first sleeve; 22. a second sleeve; 23. a top plate; 24. a lightning simulator; 25. lightning generating contacts; 3. a lifting driving motor; 31. a threaded rod; 4. a product fixing seat; 41. a storage table; 411. a chute; 42. a clamping plate; 421. an extension rod; 422. a rack; 423. an anti-slip pad; 43. clamping a driving motor; 431. and a drive gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a portable overvoltage protection test device as shown in fig. 1, which comprises a storage box 1, a lifting table 2, a lifting driving motor 3 and a product fixing seat 4.

The top of the storage box 1 is open and is covered with a box cover 11. The cover 11 is used to close the storage box 1 to provide protection for the equipment within the storage box 1.

Referring to fig. 1, further, a side edge of the case cover 11 is hinged to a side wall of the storage case 1, and a lifting handle 111 with an L-shaped structure is fixed to a top surface of the case cover 11. A pull rod 15 is hinged to the outer surface of the side wall of the storage box 1. The bottom of the storage box 1 is fixed with a plurality of universal wheels 14 which are distributed in a matrix and are used for supporting the storage box 1. The lifting handle 111 has a clamping groove matched with the end of the pull rod 15. The user can open the case cover 11 by holding the pull rod 15, and after the case cover 11 is opened, the case cover 11 can be supported by pulling up the pull rod 15 and clamping the end of the pull rod 15 into the clamping groove to abut against the pull rod 15, and at this time, the case cover 11 is in a horizontal state, and can be used for placing tools or other articles. The storage box 1 can move through the universal wheels 14, and a user can control the moving direction and the moving speed of the storage box 1 by holding the pull rod 15.

Referring to fig. 1, a lifting platform 2 is movably installed in a storage box 1; the top of the lifting platform 2 is fixed with a sleeve I21 extending upwards; a second sleeve 22 is movably sleeved on the outer side of the first sleeve 21; a top plate 23 is fixed at the upper end of the second sleeve 22; the bottom surface of the top plate 23 is provided with lightning generating contacts 25. The outer edge of the lifting platform 2 is contacted with the side wall of the storage box 1, and the side wall provides limit. The second sleeve 22 can perform lifting movement, and the top plate 23 is supported by the second sleeve 22. A lightning simulator 24 which is matched with the lightning generating contact 25 is fixed on the lifting platform 2, and the lightning simulator 24 is electrically connected with the lightning generating contact 25. The second sleeve 22 is provided with a locking bolt, the first sleeve 21 is provided with a plurality of locking holes which are distributed at intervals along the vertical direction and matched with the locking bolt, and a user can fix the second sleeve 22 through the locking bolt.

The lifting driving motor 3 is fixed at the bottom of the storage box 1 and is positioned below the lifting platform 2, a threaded rod 31 extending upwards is fixed at the output end of the lifting driving motor 3, and the threaded rod 31 penetrates through the lifting platform 2 and penetrates into the first sleeve 21; the threaded rod 31 is in threaded connection with the lifting table 2, the lifting driving motor 3 drives the threaded rod 31 to rotate, and the threaded rod 31 can drive the lifting table 2 to move up and down when rotating. The portion of the threaded rod 31 above the lifting platform 2 may be concealed within the sleeve one 21.

The product fixing seat 4 is arranged on the top surface of the lifting platform 2 and is positioned below the lightning generating contact 25; the product fixing seat 4 is used for fixedly mounting an overvoltage protector to be tested.

Referring to fig. 1, 2 and 3, specifically, a placement table 41 for placing an overvoltage protector is fixed on top of the product fixing base 4; two clamping plates 42 which are arranged oppositely are movably connected to the object placing table 41. The two clamping plates 42 are used for clamping and fixing the overvoltage protector, the clamping plates 42 are arc-shaped plates, and the concave surfaces of the clamping plates are fixed with anti-slip pads 423 made of rubber materials.

Referring to fig. 1, 2 and 4, further, the bottom of the clamping plate 42 has an extension rod 421 penetrating downward through the table 41; a rack 422 extending transversely is fixed on the extension rod 421; the object placing table 41 is provided with a chute 411 for sliding the extension rod 421. A clamping driving motor 43 is arranged in the product fixing seat 4; the output end of the clamping driving motor 43 is sleeved and fixed with a driving gear 431. The two racks 422 are located on both sides of the driving gear 431, respectively, and each engage the driving gear 431. The clamping plates 42 can slide on the object placing table 41 by means of the extension bars 421, so that the two clamping plates 42 can move towards each other or away from each other. The clamping driving motor 43 can drive the rack 422 to move in the opposite direction through the driving gear 431, and thus the clamping plate 42 is driven to move through the extension rod 421.

In addition, some tools and items are stored for convenience. Two storage bins 12 positioned on two sides of the lifting driving motor 3 are fixed at the bottom of the inner side of the storage box 1. The side wall of the storage box 1 is provided with openings which are respectively communicated with the two storage bins 12; and a bin gate 13 for closing the opening is fixed at the opening.

Working principle: the portable overvoltage protection test device of the utility model can lift the lifting table 2 for relevant test operation when the test is needed, and can drive the lifting table 2 to descend and be accommodated in the accommodating box 1 when the test is not needed. The clamping driving motor 43 can drive the rack 422 to move in opposite directions through the driving gear 431, so that the extension rod 421 drives the clamping plates 42 to move, the two clamping plates 42 moving in opposite directions can clamp and fix the overvoltage protector to be tested, and a user can adapt to the overvoltage protectors with different sizes by adjusting the height of the top plate 23.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Portable overvoltage protection test device, its characterized in that: comprising the following steps:

a storage box (1) with an open top and a box cover (11) covered;

a lifting table (2) movably installed in the storage box (1); the top of the lifting table (2) is fixedly provided with a sleeve I (21) extending upwards; a second sleeve (22) is movably sleeved on the outer side of the first sleeve (21); a top plate (23) is fixed at the upper end of the second sleeve (22); a lightning generating contact (25) is arranged on the bottom surface of the top plate (23);

the lifting driving motor (3) is fixed at the bottom of the storage box (1) and is positioned below the lifting platform (2), a threaded rod (31) extending upwards is fixed at the output end of the lifting driving motor (3), and the threaded rod (31) penetrates through the lifting platform (2) and penetrates into the first sleeve (21); the threaded rod (31) is in threaded connection with the lifting table (2), the lifting driving motor (3) drives the threaded rod (31) to rotate, and the threaded rod (31) can drive the lifting table (2) to lift when rotating;

a product fixing seat (4) which is arranged on the top surface of the lifting platform (2) and is positioned below the lightning generating contact (25); the product fixing seat (4) is used for fixedly mounting an overvoltage protector to be tested.

2. The portable overvoltage protection test device of claim 1, wherein: one side edge of the box cover (11) is hinged with the side wall of the storage box (1), and the top surface of the box cover (11) is fixed with a lifting handle (111) with an L-shaped structure;

a pull rod (15) is hinged to the outer surface of the side wall of the storage box (1);

wherein, the lifting handle (111) is provided with a clamping groove matched with the end part of the pull rod (15).

3. The portable overvoltage protection test device of claim 1, wherein: two storage bins (12) positioned at two sides of the lifting driving motor (3) are fixed at the bottom of the inner side of the storage box (1);

the side wall of the storage box (1) is provided with openings which are respectively communicated with the two storage bins (12); and a bin gate for closing the opening is fixed at the opening.

4. The portable overvoltage protection test device of claim 1, wherein: the bottom of the storage box (1) is fixedly provided with a plurality of universal wheels (14) which are distributed in a matrix and used for supporting the storage box (1).

5. The portable overvoltage protection test device of claim 1, wherein: a storage table (41) for placing an overvoltage protector is fixed at the top of the product fixing seat (4); two clamping plates (42) which are arranged oppositely are movably connected to the object placing table (41).

6. The portable overvoltage protection test device according to claim 5, wherein: an extension rod (421) which downwards passes through the object placing table (41) is arranged at the bottom of the clamping plate (42); a rack (422) extending transversely is fixed on the extension rod (421); a sliding groove (411) for the extension rod (421) to slide is formed in the object placing table (41);

a clamping driving motor (43) is arranged in the product fixing seat (4); the output end of the clamping driving motor (43) is sleeved and fixed with a driving gear (431);

two racks (422) are respectively located on both sides of the drive gear (431) and each engage the drive gear (431).