CN219874775U

CN219874775U - Environment-friendly gas-insulated metal-enclosed high-voltage switchgear

Info

Publication number: CN219874775U
Application number: CN202321087458.6U
Authority: CN
Inventors: 刘建平; 刘子豪; 刘灿; 王泽华
Original assignee: Hebei Weike Energy Saving Technology Co ltd
Current assignee: Hebei Weike Energy Saving Technology Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-10-20
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses environment-friendly gas-insulated metal-enclosed high-voltage switch equipment which comprises a gas tank and an aluminum plate, wherein a three-station switch and a solid-sealed pole are respectively arranged in the gas tank, and the three-station switch comprises a grounding conductor, a middle conductor, an isolation conductor, a movable conductor and an insulation lead screw. According to the environment-friendly gas-insulated metal-enclosed high-voltage switch device, the aluminum plate, the positioning frame, the limiting groove, the sliding groove, the positioning block, the reset spring, the vertical groove, the sliding rod, the sliding block, the mounting hole, the solid sealing pole and the three-station switch are matched for use, the aluminum plate can be rapidly and accurately positioned through the clamping connection of the positioning frame and the mounting hole, frequent adjustment of the mounting position of the aluminum plate is avoided, meanwhile, after the positioning frame and the mounting hole are completely overlapped and clamped, the positioning frame is automatically fixed in the mounting hole, so that the position of the aluminum plate is not required to be limited in the process of fixing the aluminum plate later, and the mounting work becomes easier.

Description

Environment-friendly gas-insulated metal-enclosed high-voltage switchgear

Technical Field

The utility model relates to the technical field of high-voltage switchgear, in particular to environment-friendly gas-insulated metal-enclosed high-voltage switchgear.

Background

The gas-insulated metal-enclosed high-voltage switch equipment is one of the most widely used electrical equipment in a power system, and is widely applied to industrial and civil power generation and distribution systems and power supply terminals. In order to meet different application requirements, various high-voltage switch cabinets exist on the market, and the high-voltage switch cabinets comprise two different air chambers of a single air chamber and a double air chamber, wherein insulating mediums comprise SF6 gas insulation, solid insulation, air insulation, mixed gas insulation and other modes, and the components forming the high-voltage switch equipment mainly comprise a high-voltage vacuum circuit breaker, a three-station switch, an inner cone sleeve, an outer cone sleeve, a bus and the like. The high-voltage vacuum circuit breaker consists of a solid-sealed polar pole and a spring operating mechanism, and the three-position switch consists of a grounding conductor, a middle conductor, an isolating conductor and a moving conductor.

The high-voltage switch equipment with the environment-friendly gas-insulated metal-enclosed structure is disclosed in China patent publication No. CN216564255U, and comprises a gas tank, wherein a three-station switch and a solid-sealed polar pole are arranged in the gas tank; the three-position switch comprises a grounding conductor, a middle conductor and an isolating conductor; the grounding conductor and the solid-sealed polar pole are fixed on the aluminum plate. The three-station switch and the solid-sealed polar pole are integrated, the concentricity of the grounding conductor, the middle conductor, the isolation conductor and the movable conductor can be adjusted on the operation table, and the integrated switch is pushed into the gas tank after being adjusted, and then is fixedly installed, so that the gas tank is time-saving and labor-saving.

Aiming at the related technology, the equipment has a plurality of defects, in the actual use process, the adjusted grounding conductor, the middle conductor, the isolation conductor and the movable conductor are integrally pushed into the air box through the mounting hole on one side of the air box to be fixedly mounted, and in the pushing process, the whole equipment has a certain weight, and particularly needs frequent adjustment in the positioning of the outer sides of the mounting holes of the aluminum plate and the air box, so that the equipment is inconvenient for people to install, and therefore, the technical problem is solved by the need of providing the environment-friendly gas-insulated metal-enclosed high-voltage switch equipment.

Disclosure of Invention

The utility model aims to provide an environment-friendly gas-insulated metal-enclosed high-voltage switch device, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an environmental protection gas-insulated metal-enclosed's high tension switchgear, includes gas tank and aluminum plate, three station switch and solid sealed utmost point post are installed respectively to the inside of gas tank, three station switch includes ground connection conductor, middle conductor, keeps apart the conductor, moves conductor and insulating lead screw, the ground connection conductor and solid one side fixed connection of sealed utmost point post and aluminum plate, middle conductor installs on the movable end wire holder of solid sealed utmost point post, keep apart the conductor and install the tail end at solid sealed utmost point post, aluminum plate and gas tank pass through bolt fixed connection, the tail end fixed mounting who seals utmost point post has the branch busbar of branch tail end admittedly, be provided with the backup pad on the branch busbar of solid sealed utmost point post tail end, keep apart the conductor and fix on the branch busbar of solid sealed utmost point post tail end through supporting insulator and backup pad, the opposite side of aluminum plate is provided with spring operating mechanism and three station switch brake mechanism respectively, the mounting hole has been seted up to one side fixed mounting of gas tank has the mounting hole, aluminum plate and mounting hole looks mounting hole have, the top has the slider has the side of standing groove, the slider has the top to set up, the slider has the top is fixed slot, the top has the slider has the top.

As a further scheme of the utility model: the utility model discloses a buffer device for the gas tank, including the gas tank, the barrel that all fixed mounting has symmetrical distribution in both sides of gas tank bottom, the bottom slip grafting of barrel has the buffer column, the bottom fixed mounting of buffer column has the universal wheel, fixed mounting has a plurality of buffer spring between the top of buffer column and the barrel inner wall top.

As still further aspects of the utility model: positioning grooves are formed in two sides of the inner wall of the cylinder body, and limiting blocks are slidably arranged on the two positioning grooves.

As still further aspects of the utility model: the other side of the inner wall of the chute is provided with a through groove, and one side of the positioning block is fixedly provided with an operating rod.

As still further aspects of the utility model: the opposite surfaces of the two positioning blocks are inclined.

As still further aspects of the utility model: the top of the sliding block is provided with a sliding hole matched with the sliding rod, and the sliding block is in sliding connection with the sliding rod through the sliding hole formed in the top of the sliding block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the matched use of the aluminum plate, the positioning frame, the limiting groove, the sliding groove, the positioning block, the reset spring, the vertical groove, the sliding rod, the sliding block, the mounting hole, the solid sealing pole and the three-station switch, the aluminum plate can be rapidly and accurately positioned through the clamping connection of the positioning frame and the mounting hole, so that the mounting position of the aluminum plate is prevented from being frequently adjusted, and meanwhile, after the positioning frame and the mounting hole are completely overlapped and clamped, the positioning frame is automatically fixed in the mounting hole, so that the position of the aluminum plate is not required to be limited in the follow-up process of fixing the aluminum plate, the mounting work is easier, and the development of the mounting work of people is facilitated.

2. According to the utility model, through the cooperation of the universal wheels, the buffer columns, the limiting blocks, the positioning grooves, the cylinder body and the buffer springs, the universal wheels arranged at the bottom of the air box are in rolling contact with the ground, so that the air box can be directly moved through the rolling contact of the universal wheels and the ground when being carried on site, multiple persons are not required to carry the air box, the installation efficiency of the air box is improved, meanwhile, in the moving process of the air box, when the air box is in rolling contact with the ground, the uneven ground is met, the elastic deformation of the buffer springs can play a good role in buffering the uneven ground, the stability of the air box in the carrying process is improved, and the fault probability of electrical elements in the air box caused by vibration is reduced.

Drawings

FIG. 1 is a schematic diagram of an environmentally friendly gas insulated metal-enclosed high voltage switchgear;

FIG. 2 is a schematic view of the structure of an aluminum plate and a positioning frame in an environment-friendly gas-insulated metal-enclosed high-voltage switchgear;

FIG. 3 is an enlarged schematic view of the structure of the environment-friendly gas-insulated metal-enclosed high-voltage switchgear shown at A in FIG. 1;

fig. 4 is an enlarged schematic view of the structure of the environment-friendly gas-insulated metal-enclosed high-voltage switchgear shown at B in fig. 1.

In the figure: 1. an air box; 2. a grounded conductor; 3. an intermediate conductor; 4. isolating the electrical conductor; 5. a movable conductor; 6. insulating screw rod; 7. a spring operating mechanism; 8. a three-station switch braking mechanism; 9. an aluminum plate; 10. branching busbar; 11. a support plate; 12. a support insulator; 13. a universal wheel; 14. a positioning frame; 15. a limit groove; 16. a chute; 17. an operation lever; 18. a positioning block; 19. a return spring; 20. a vertical groove; 21. a slide bar; 22. a slide block; 23. a mounting hole; 24. a buffer column; 25. a limiting block; 26. a positioning groove; 27. a cylinder; 28. a buffer spring; 29. sealing the polar post; 30. a three-station switch; 31. and (5) through grooves.

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.

Referring to fig. 1-4, in the embodiment of the utility model, an environment-friendly gas-insulated metal-enclosed high-voltage switch device comprises a gas tank 1 and an aluminum plate 9, wherein a three-position switch 30 and a solid-sealed electrode column 29 are respectively installed in the gas tank 1, the three-position switch 30 comprises a grounding conductor 2, a middle conductor 3, an isolating conductor 4, a movable conductor 5 and an insulated screw 6, the grounding conductor 2 and the solid-sealed electrode column 29 are fixedly connected with one side of the aluminum plate 9, the middle conductor 3 is installed on a movable end outlet seat of the solid-sealed electrode column 29, the isolating conductor 4 is installed at the tail end of the solid-sealed electrode column 29, the aluminum plate 9 is fixedly connected with the gas tank 1 through bolts, a branch busbar 10 is fixedly installed at the tail end of the solid-sealed electrode column 29, a support plate 11 is arranged on the branch busbar 10 at the tail end of the solid-sealed electrode column 29, a support insulator 12 is arranged on the support plate 11, the isolated conductor 4 is fixed on the branch busbar 10 at the tail end of the fixed sealing pole 29 through the supporting insulator 12 and the supporting plate 11, the other side of the aluminum plate 9 is respectively provided with the spring operating mechanism 7 and the three-station switch braking mechanism 8, one side of the air box 1 is provided with the mounting hole 23, one side of the aluminum plate 9 is fixedly provided with the positioning frame 14 which is matched with the mounting hole 23, the positioning frame 14 is clamped with the mounting hole 23, the top and the bottom of the positioning frame 14 are both provided with the limit groove 15, the top and the bottom of the mounting hole 23 are both provided with the sliding groove 16, one side of the inner wall of the sliding groove 16 is provided with the vertical groove 20, the inside of the vertical groove 20 is fixedly provided with the sliding rod 21, the outer wall of the sliding rod 21 is sleeved with the sliding block 22, the outer wall of the sliding rod 21 is sleeved with the reset spring 19 above the top of the sliding block 22, one side of the sliding block 22 is fixedly provided with the positioning block 18, and the positioning block 18 is positioned inside the sliding groove 16 and is in sliding connection with the sliding groove 16, the positioning block 18 is clamped with the corresponding limiting groove 15.

Referring to fig. 1 and 4, in the utility model, symmetrically distributed cylinders 27 are fixedly arranged at two sides of the bottom of an air tank 1, a buffer column 24 is slidably inserted at the bottom end of the cylinder 27, a universal wheel 13 is fixedly arranged at the bottom end of the buffer column 24, a plurality of buffer springs 28 are fixedly arranged between the top end of the buffer column 24 and the top of the inner wall of the cylinder 27, and the universal wheel 13 has a locking function, so that the stability of the air tank 1 in the later stage during fixed-point installation and use is ensured.

Referring to fig. 4, in the utility model, positioning grooves 26 are formed on both sides of the inner wall of a cylinder 27, limiting blocks 25 are slidably mounted on both positioning grooves 26, and the limiting blocks 25 are fixedly connected with the upper side of the outer wall of a buffer column 24 to limit the vertical movement position of the buffer column 24, so that the buffer column 24 is prevented from moving out of the cylinder 27, and the stability of the buffer column 24 in the use process is improved.

Referring to fig. 3, in the present utility model, a through groove 31 is formed on the other side of the inner wall of the chute 16, an operation lever 17 is fixedly mounted on one side of the positioning block 18, and one end of the operation lever 17 extends into the air box 1 through the inside of the through groove 31, when the aluminum plate 9 is detached, the positioning block 18 can be separated from the inside of the limit groove 15 by directly operating the operation lever 17 in the air box 1, so that the aluminum plate can be detached quickly.

Referring to the figures, in the utility model, the opposite surfaces of the two positioning blocks 18 are inclined, the positioning blocks 18 are matched with the limit grooves 15, and the positioning blocks 18 do not need to be actively operated in the installation process, so that the three-position switch 30, the solid-sealed polar pole 29 and the aluminum plate 9 can be conveniently and rapidly installed.

Referring to fig. 3, in the present utility model, a sliding hole adapted to the sliding rod 21 is formed at the top of the sliding block 22, and the sliding block 22 is slidably connected with the sliding rod 21 through the sliding hole formed at the top of the sliding block 22.

The working principle of the utility model is as follows:

referring to fig. 1 to 4, when the device is used, the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the three-position switch 30 and the solid sealing pole 29 are integrated, the concentricity of the grounding conductor 2, the middle conductor 3, the isolating conductor 4 and the movable conductor 5 can be adjusted on an operation table, the integrated device is pushed into the gas box after the adjustment, when the aluminum plate 9 is closely attached to the side surface of the gas box 1 in the pushing process, the positioning frame 14 is aligned with the mounting hole 23 and is blocked into the mounting hole 23, when the positioning frame 14 enters the mounting hole 23, the positioning frame 14 contacts with the inclined surface of the positioning block 18, the two positioning blocks 18 are pushed to move oppositely, the positioning block 18 moves towards the inside of the chute 16, the movement of the positioning block 18 drives the sliding block 22 to slide on the outer wall of the sliding rod 21 and extrudes the reset spring 19, when the positioning block 18 completely enters the inside of the sliding groove 16 until the positioning frame 14 and the mounting hole 23 are completely clamped in place, at this moment, the positioning block 18 is opposite to the position of the limiting groove 15, the positioning block 18 is driven by the sliding block 22 to be directly clamped into the inside of the limiting groove 15 under the elastic action of the sliding rod 21, so that the positioning frame 14 is firmly clamped in the inside of the mounting hole 23, the aluminum plate 9 is stably attached to the side surface of the air box 1 under the unfixed condition, then a worker only needs to fix the aluminum plate 9 and the side surface of the air box 1 through bolts, when the whole three-position switch 30 and the solid-sealed polar pole 29 are mounted through the aluminum plate 9, the aluminum plate 9 can be rapidly and accurately positioned through the clamping of the positioning frame 14 and the mounting hole 23, frequent adjustment of the mounting position of the aluminum plate 9 is avoided, and after the positioning frame 14 and the mounting hole 23 are completely overlapped and clamped, the locating frame 14 is automatically fixed in the installation hole 23, so that the position of the aluminum plate 9 is not required to be limited when the aluminum plate 9 is fixed later, the installation work becomes easier, and the installation work of people is facilitated.

Referring to fig. 1 and 4, when in use, the existing air box 1 is installed, because the air box 1 has a certain volume, when in installation on site, the air box 1 is inconvenient to be integrally installed by multiple persons, the universal wheels 13 arranged at the bottom of the air box 1 are in rolling contact with the ground, thus when the air box 1 is in site transportation, the air box 1 can be directly moved by the rolling contact of the universal wheels 13 and the ground, the multiple persons are not required to be transported, the installation efficiency of the air box 1 is improved, meanwhile, in the moving process of the air box 1, the universal wheels 13 are in rolling contact with the ground, when the uneven ground is met, the ground gives a reaction force to the universal wheels 13, so that the universal wheels 13 drive the buffer columns 24 to move towards the inside of the cylinder 27 to cause elastic deformation of the buffer springs 28, and the elastic deformation of the buffer springs 28 can play a good role in buffering the uneven ground, so that the stability of the equipment in the transportation process can be improved, and the failure probability of the internal elements of the air box 1 caused by vibration can be reduced.

Although the present utility model has been described 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 and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an environmental protection gas-insulated metal-enclosed high tension switchgear, includes gas tank (1) and aluminum plate (9), its characterized in that: three-position switch (30) and solid utmost point post (29) are installed respectively to the inside of gas tank (1), three-position switch (30) are including ground connection conductor (2), middle conductor (3), isolation conductor (4), moving conductor (5) and insulating lead screw (6), one side fixed connection of ground connection conductor (2) and solid utmost point post (29) and aluminum plate (9), middle conductor (3) are installed on the moving end wire holder of solid utmost point post (29), isolation conductor (4) are installed at the tail end of solid utmost point post (29), aluminum plate (9) and gas tank (1) pass through bolt fixed connection, the tail end fixed mounting of solid utmost point post (29) has branch busbar (10), be provided with backup pad (11) on branch busbar (10) of solid utmost point post (29) tail end, be provided with support insulator (12) on backup pad (11), isolation conductor (4) pass through support insulator (12) and backup pad (11) and install on the movable end wire holder of solid utmost point post (29), three-position switch (8) are installed on branch busbar (7) of branch (9), one side fixed mounting of aluminum plate (9) has locating frame (14) with mounting hole (23) looks adaptation, spacing groove (15) have all been seted up to the top and the bottom of locating frame (14), spout (16) have all been seted up to the top and the bottom of mounting hole (23), perpendicular groove (20) have been seted up to one side of spout (16) inner wall, the inside fixed mounting of perpendicular groove (20) has slide bar (21), the cover is equipped with slider (22) on the outer wall of slide bar (21), reset spring (19) have been cup jointed on the outer wall of slide bar (21) in slider (22) top, one side fixed mounting of slider (22) has locating piece (18).

2. An environmentally friendly gas insulated metal enclosed high voltage switchgear as claimed in claim 1, wherein: the novel air tank is characterized in that symmetrically-distributed cylinder bodies (27) are fixedly arranged on two sides of the bottom of the air tank (1), buffer columns (24) are slidably inserted into the bottom ends of the cylinder bodies (27), universal wheels (13) are fixedly arranged at the bottom ends of the buffer columns (24), and a plurality of buffer springs (28) are fixedly arranged between the top ends of the buffer columns (24) and the top of the inner wall of the cylinder bodies (27).

3. An environmentally friendly gas insulated metal enclosed high voltage switchgear as claimed in claim 2, wherein: positioning grooves (26) are formed in two sides of the inner wall of the cylinder body (27), and limiting blocks (25) are slidably mounted on the two positioning grooves (26).

4. An environmentally friendly gas insulated metal enclosed high voltage switchgear as claimed in claim 1, wherein: a through groove (31) is formed in the other side of the inner wall of the sliding groove (16), and an operating rod (17) is fixedly arranged on one side of the positioning block (18).

5. An environmentally friendly gas insulated metal enclosed high voltage switchgear as claimed in claim 1, wherein: the opposite surfaces of the two positioning blocks (18) are inclined.

6. An environmentally friendly gas insulated metal enclosed high voltage switchgear as claimed in claim 1, wherein: the top of the sliding block (22) is provided with a sliding hole matched with the sliding rod (21), and the sliding block (22) is in sliding connection with the sliding rod (21) through the sliding hole formed in the top of the sliding block.