CN215896139U

CN215896139U - SF6 partial discharge-free test transformer

Info

Publication number: CN215896139U
Application number: CN202121693372.9U
Authority: CN
Inventors: 李家桌; 郭天庆; 李亚龙; 孙胜武; 赵长俊
Original assignee: Wuhan Goldhome Hipot Electric Co ltd
Current assignee: Wuhan Goldhome Hipot Electric Co ltd
Priority date: 2021-07-25
Filing date: 2021-07-25
Publication date: 2022-02-22
Anticipated expiration: 2031-07-25

Abstract

The utility model discloses an SF6 partial discharge-free test transformer which comprises a base, wherein a shell is fixedly connected to the outer wall of the top of the base, a top plate is fixedly connected to the outer wall of the top of the shell, an insulator is fixedly connected to the outer wall of the top plate, a wire holder mechanism is fixedly connected to the outer wall of the top of the insulator, the wire holder mechanism comprises a wire holder, round openings distributed at equal intervals are formed in the outer wall of the top of the wire holder, a wire holder mechanism is connected to the inner walls of the three round openings in a sliding mode, the wire holder mechanism comprises an insulating base and an installation disc, a conductive column is fixedly connected to the outer wall of the top of the insulating base, a round groove is formed in the outer wall of the bottom of the installation disc, and round openings are formed in two sides of the inner wall of the round groove. According to the utility model, the wiring seat mechanism is arranged on the top plate, and the wiring terminal mechanism on the wiring seat mechanism is convenient for express installation and connection of a connecting wire end, so that the problems of low efficiency and easy damage of the traditional nut connection mode are avoided.

Description

SF6 partial discharge-free test transformer

Technical Field

The utility model relates to the technical field of a non-partial discharge test transformer, in particular to an SF6 non-partial discharge test transformer.

Background

The partial discharge-free test transformer is a test transformer without partial discharge, but the partial discharge-free test transformer in the current stage is very small in partial discharge and does not influence the partial discharge of the electrical equipment observed by the partial discharge instrument. The inflatable partial discharge-free test transformer is reliable high-voltage partial discharge-free equipment. The partial discharge-free test transformer is divided into two types, one type is an inflatable partial discharge-free test transformer, the other type is an epoxy barrel oil-immersed partial discharge-free test transformer, and other test transformers are difficult to be made into partial discharge-free transformers.

The connecting wire on the connecting terminal is frequently dismantled and assembled to no partial discharge test transformer needs in the testing process, and the current connecting terminal is mostly connected through a nut and a bolt, so that the efficiency is relatively low in the process of dismantling the connecting wire.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an SF6 partial discharge-free test transformer.

In order to achieve the purpose, the utility model adopts the following technical scheme:

SF6 partial discharge-free test transformer, which comprises a base, wherein the outer wall of the top of the base is fixedly connected with a shell, the outer wall of the top of the shell is fixedly connected with a top plate, the outer wall of the top plate is fixedly connected with an insulator, the outer wall of the top of the insulator is fixedly connected with a wire holder mechanism, the wire holder mechanism comprises a wire holder, the outer wall of the top of the wire holder is provided with round openings distributed equidistantly, the inner walls of the three round openings are slidably connected with a wire holder mechanism, the wire holder mechanism comprises an insulating base and an installation disc, the outer wall of the top of the insulating base is fixedly connected with a conductive column, the outer wall of the bottom of the installation disc is provided with round grooves, the two sides of the inner wall of each round groove are provided with round openings, the inner walls of the two round openings are slidably connected with T-shaped pins, the outer walls of the two T-shaped pins are sleeved with second springs, the two sides of the conductive column outer walls are provided with grooves matched with the T-shaped pins, the outside of the top of the wire holder is fixedly connected with a separation plate.

Preferably, the outer wall of the top of the mounting disc is fixedly connected with a pull rod, and the two sides of the outer wall of the bottom of the base are fixedly connected with rollers.

Preferably, the inner wall of the top of the wire holder is fixedly connected with slide bars, and the outer walls of the six slide bars are sleeved with first springs.

Preferably, the three wiring terminal mechanisms are respectively connected to the outer walls of the six sliding rods in a sliding mode, and the inner wall of the bottom of the wiring terminal is fixedly connected with a driving mechanism.

Preferably, the outer wall of the top of the driving mechanism is fixedly connected with a connecting plate, and the three wiring terminal mechanisms are all connected to the connecting plate.

Preferably, actuating mechanism includes the driving sleeve, and the inner wall sliding connection of driving sleeve has magnet, magnet top outer wall fixedly connected with spliced pole, driving sleeve bottom inner wall fixedly connected with electro-magnet.

Preferably, actuating mechanism includes the driving sleeve, the inner wall sliding connection of driving sleeve has the spliced pole, driving sleeve bottom inner wall fixedly connected with electric telescopic handle, and electric telescopic handle output shaft is on the spliced pole.

The utility model has the beneficial effects that:

1. according to the utility model, the wiring seat mechanism is arranged on the top plate, and the wiring terminal mechanism on the wiring seat mechanism is convenient for express installation and connection of a connecting wire end, so that the problems of low efficiency and easy damage of the traditional nut connection mode are avoided.

2. According to the utility model, the detachable mounting disc is arranged on the conductive column, so that some round-head connecting terminals can be conveniently connected and mounted, and the T-shaped pin is matched with the mounting disc, so that the quick mounting and dismounting are convenient.

3. According to the utility model, the matching between the sliding rod and the first spring is arranged in the wire holder, so that the conductive column is conveniently tensioned, the connecting terminal is tightly pressed, and the condition of poor contact of the connecting terminal is avoided.

Drawings

Fig. 1 is a schematic structural diagram of an SF6 partial discharge free test transformer according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a wire holder mechanism of an SF6 partial discharge-free test transformer according to the present invention;

fig. 3 is a schematic structural diagram of a terminal mechanism of an SF6 partial discharge free test transformer according to the present invention;

fig. 4 is a schematic structural diagram of a driving mechanism of an SF6 partial discharge free test transformer according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second driving mechanism of an SF6 partial discharge-free test transformer according to an embodiment of the present invention.

In the figure: 1. a base; 2. a roller; 3. a housing; 4. a top plate; 5. an insulator; 6. a wire holder mechanism; 7. a wire holder; 8. a terminal mechanism; 9. a separator plate; 10. a slide bar; 11. A first spring; 12. a drive mechanism; 13. a connecting plate; 14. an insulating base; 15. a conductive post; 16. mounting a disc; 17. a T-shaped pin; 18. a second spring; 19. a pull rod; 20. a drive sleeve; 21. a magnet; 22. connecting columns; 23. an electromagnet; 24. an electric telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-4, the SF6 partial discharge-free testing transformer comprises a base 1, wherein the outer wall of the top of the base 1 is fixedly connected with a shell 3, the outer wall of the top of the shell 3 is fixedly connected with a top plate 4, the outer wall of the top plate 4 is fixedly connected with an insulator 5, the outer wall of the top of the insulator 5 is fixedly connected with a wire holder mechanism 6, the wire holder mechanism 6 comprises a wire holder 7, the outer wall of the top of the wire holder 7 is provided with round openings distributed equidistantly, the inner walls of the three round openings are slidably connected with a wire terminal mechanism 8, the wire terminal mechanism 8 comprises an insulating base 14 and a mounting disc 16, the outer wall of the top of the insulating base 14 is fixedly connected with a conductive post 15, the outer wall of the bottom of the mounting disc 16 is provided with a round groove, the two sides of the inner wall of the round groove are provided with round openings, the inner walls of the two round openings are slidably connected with a T-shaped pin 17, the outer walls of the two T-shaped pins 17 are sleeved with a second spring 18, the two sides of the outer wall of the conductive post 15 are provided with grooves matched with the T-shaped pin 17, the outside equal fixedly connected with division board 9 in connection terminal 7 top, 16 top outer wall fixedly connected with pull rods 19 of mounting disc, the equal fixedly connected with gyro wheel 2 in both sides of 1 bottom outer wall of base, the equal fixedly connected with slide bar 10 of connection terminal 7 top inner wall, and the outer wall of six slide bars 10 has cup jointed first spring 11, three terminal mechanism 8 is sliding connection respectively on the outer wall of six slide bars 10, 7 bottom inner wall fixedly connected with actuating mechanism 12 of connection terminal, 12 top outer wall fixedly connected with connecting plate 13 of actuating mechanism, three terminal mechanism 8 all connects on connecting plate 13, actuating mechanism 12 includes driving sleeve 20, and the inner wall sliding connection of driving sleeve 20 has magnet 21, magnet 21 top outer wall fixedly connected with

spliced pole

22, 20 bottom inner wall fixedly connected with electro-magnet 23 of driving sleeve.

The working principle is as follows: during connection, when needs are worked a telephone switchboard to terminal mechanism 8, earlier through 12 drive connecting plate 13 of actuating mechanism with 8 jack-ups of terminal mechanism, produce the magnetism the same with magnet 21 through switching on electromagnet 23 among the actuating mechanism 12 and drive spliced pole 22 and move up, thereby with 8 jack-ups of terminal mechanism, the direct card of connecting terminal of U-shaped is on leading electrical pillar 15 during connection terminal, earlier with mounting disc 16 when circular connecting terminal connects, dismantle, two T shape round pins 17 of direct pulling during the dismantlement, demolish mounting disc 16, overlap connecting terminal on leading electrical pillar 15, at the chucking of mounting disc 16, actuating mechanism 12 pull back connecting plate 13 at last compresses tightly connecting terminal.

Example two

Referring to fig. 1-3 and 5, the SF6 partial discharge-free testing transformer comprises a base 1, wherein the outer wall of the top of the base 1 is fixedly connected with a shell 3, the outer wall of the top of the shell 3 is fixedly connected with a top plate 4, the outer wall of the top plate 4 is fixedly connected with an insulator 5, the outer wall of the top of the insulator 5 is fixedly connected with a wire holder mechanism 6, the wire holder mechanism 6 comprises a wire holder 7, the outer wall of the top of the wire holder 7 is provided with round openings distributed equidistantly, the inner walls of the three round openings are slidably connected with a wiring terminal mechanism 8, the wiring terminal mechanism 8 comprises an insulating base 14 and a mounting disc 16, the outer wall of the top of the insulating base 14 is fixedly connected with a conductive column 15, the outer wall of the bottom of the mounting disc 16 is provided with round grooves, the two sides of the inner wall of the round groove are provided with round openings, the inner walls of the two round openings are slidably connected with a T-shaped pin 17, the outer walls of the two T-shaped pins 17 are sleeved with a second spring 18, the two sides of the outer wall of the conductive column 15 are provided with grooves matched with the T-shaped pin 17, the equal fixedly connected with division board 9 mounting disc 16 top outer wall fixedly connected with pull rod 19 in connection terminal 7 top outside, the equal fixedly connected with gyro wheel 2 in both sides of 1 bottom outer wall of base, the equal fixedly connected with slide bar 10 of connection terminal 7 top inner wall, and the outer wall of six slide bars 10 has cup jointed first spring 11, three terminal mechanism 8 is sliding connection respectively on the outer wall of six slide bars 10, connection terminal 7 bottom inner wall fixedly connected with actuating mechanism 12, actuating mechanism 12 top outer wall fixedly connected with connecting plate 13, three terminal mechanism 8 all connects on connecting plate 13, actuating mechanism 12 includes drive sleeve 20, the inner wall sliding connection of drive sleeve 20 has spliced pole 22, drive sleeve 20 bottom inner wall fixedly connected with electric telescopic handle 24, and electric telescopic handle 24 output shaft is on spliced pole 22.

The working principle is as follows: during connection, when needs are worked a telephone switchboard to terminal mechanism 8, earlier through the 12 drive connecting plate 13 of actuating mechanism with 8 jack-ups of terminal mechanism, move up through electric telescopic handle 24 drive spliced pole 22 among the actuating mechanism 12, thereby with 8 jack-ups of terminal mechanism, the direct card of connecting terminal of U-shaped is on leading electrical pillar 15 during connection binding post, earlier with mounting disc 16 when circular connecting terminal connects, dismantle, directly stimulate two T shape round pins 17 during the dismantlement, demolish mounting disc 16, overlap connecting terminal on leading electrical pillar 15, at the chucking of mounting disc 16, actuating mechanism 12 pull-back connecting plate 13 compresses tightly connecting terminal at last.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

The SF6 test transformer without partial discharge comprises a base (1) and is characterized in that a shell (3) is fixedly connected to the outer wall of the top of the base (1), a top plate (4) is fixedly connected to the outer wall of the top of the shell (3), an insulator (5) is fixedly connected to the outer wall of the top plate (4), a wire connecting seat mechanism (6) is fixedly connected to the outer wall of the top of the insulator (5), the wire connecting seat mechanism (6) comprises a wire connecting seat (7), round openings distributed at equal intervals are formed in the outer wall of the top of the wire connecting seat (7), a wire connecting terminal mechanism (8) is slidably connected to the inner walls of the three round openings, the wire connecting terminal mechanism (8) comprises an insulating seat (14) and a mounting disc (16), a conductive column (15) is fixedly connected to the outer wall of the top of the insulating seat (14), a round groove is formed in the outer wall of the bottom of the mounting disc (16), and round openings are formed in both sides of the inner wall of the round groove, two equal sliding connection of inner wall of round mouth has T shape round pin (17), and the outer wall of two T shape round pins (17) has cup jointed second spring (18), lead the both sides of electrical pillar (15) outer wall all seted up with T shape round pin (17) assorted recess, the equal fixedly connected with division board (9) in connection terminal (7) top outside.
2. SF6 partial discharge-free test transformer as claimed in claim 1, wherein the top outer wall of the mounting plate (16) is fixedly connected with a pull rod (19), and both sides of the bottom outer wall of the base (1) are fixedly connected with rollers (2).
3. The SF6 partial discharge-free test transformer as claimed in claim 2, wherein the inner walls of the top of the wire holder (7) are all fixedly connected with sliding rods (10), and the outer walls of six sliding rods (10) are sleeved with first springs (11).
4. SF6 partial discharge-free test transformer according to claim 3, wherein three terminal mechanisms (8) are slidably connected to the outer walls of six sliding bars (10) respectively, and the inner wall of the bottom of the terminal base (7) is fixedly connected with a driving mechanism (12).
5. SF6 partial discharge-free test transformer as in claim 4, wherein the top outer wall of said driving mechanism (12) is fixedly connected with a connection board (13), and three said terminal mechanisms (8) are all connected on the connection board (13).
6. SF6 partial discharge free test transformer according to claim 5, wherein the driving mechanism (12) comprises a driving sleeve (20), and the inner wall of the driving sleeve (20) is connected with a magnet (21) in a sliding way, the outer wall of the top of the magnet (21) is fixedly connected with a connection column (22), and the inner wall of the bottom of the driving sleeve (20) is fixedly connected with an electromagnet (23).
7. SF6 partial discharge-free test transformer according to claim 5, wherein the driving mechanism (12) comprises a driving sleeve (20), the inner wall of the driving sleeve (20) is connected with a connection column (22) in a sliding manner, the inner wall of the bottom of the driving sleeve (20) is fixedly connected with an electric telescopic rod (24), and the output shaft of the electric telescopic rod (24) is connected to the connection column (22).