CN214013683U

CN214013683U - Safety control device of high-voltage switch

Info

Publication number: CN214013683U
Application number: CN202022383304.4U
Authority: CN
Inventors: 牛洪军
Original assignee: Jinan Runze Weiye Economic And Trade Co ltd
Current assignee: Chengdu Yihang Xinya Electromechanical Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-08-20
Anticipated expiration: 2030-10-23

Abstract

The utility model provides a high tension switchgear's safety control device, including the fixed plate, standing groove and two draw-in grooves have been seted up respectively in the outside of spacing dish, and the inside of standing groove is provided with the rubber circle, and the lower surface symmetry fixed mounting of rubber circle has the fixture block that corresponds with the draw-in groove, and the solid hole of inserting has all been seted up to one side of every fixture block, and the inboard of every draw-in groove is all seted up flutedly, and the inboard fixed mounting of recess has the second spring, and the one end fixedly connected with of second spring and the solid pole of inserting that the solid hole corresponds, the outside fixed mounting of the solid pole of inserting has the operation piece. The inside of standing groove is arranged in to the rubber circle to adopt the elastic deformation ability of second spring, the one end that makes the solid pole of inserting injects the solid downthehole portion of inserting that the fixture block was seted up, thereby solved the fastness of rubber circle installation relatively poor, often remove the problem that breaks away from the outside of spacing dish easily after, and pulling operation piece, make the solid pole of inserting break away from the inside of inserting the solid hole, thereby conveniently change the rubber circle.

Description

Safety control device of high-voltage switch

Technical Field

The utility model relates to a cubical switchboard technical field especially relates to a high tension switchgear's safety control.

Background

The high-voltage charged elements of the totally-enclosed gas insulated switchgear (also known as switch cabinet, ring main unit, etc.) are all sealed in a metal-enclosed gas chamber filled with insulating gas such as sulfur hexafluoride gas, dry air, nitrogen, etc. when the gas chamber is in failure and an electric arc is generated, electric energy is rapidly converted into heat energy to cause the temperature of surrounding gas to rise, the pressure to increase and the surrounding gas to continuously and rapidly expand, thereby generating great impact force on the gas chamber and even the whole cabinet body, similar to explosion.

Chinese patent network application CN201922465165.7 discloses "a pressure control device for high-voltage switch cabinet", wherein a fixed plate is fixed at the top of a gas collecting tube, the bottom of the gas collecting tube is connected with a limiting tube, a limiting disc is arranged inside the gas collecting tube, and a rubber ring is sleeved on the outer wall of the limiting disc; the fixed orifices has been seted up to the outer wall of fixed plate, though this utility model is in, when insulating air chamber pressure is too big, can expand the volume of cubical switchboard insulating air chamber through the discharge, and then reduce the pressure of insulating gas to the cabinet body, thereby avoid the cabinet body phenomenon of exploding, when insulating air chamber pressure recovery is normal, under the effect of spring, guide pillar rebound can be followed to spacing dish, and then with the inside insulating gas of discharge push the cubical switchboard insulating air chamber again, thereby avoid the gas leakage in the insulating air chamber, so as to promote the stability when cubical switchboard uses. However, the rubber ring is poor in installation firmness and is easy to separate from the outer side of the limiting disc after being frequently moved; and when the guide pillar moves in the sleeve, friction is easily generated, so that abrasion is caused. Therefore, it is necessary to provide a safety control device for a high voltage switch to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safety control device of a high-voltage switch, which solves the problems that the firmness of the installation of a rubber ring is poor and the rubber ring is easy to separate from the outer side of a limiting disc after being frequently moved; and when the guide pillar moves in the sleeve, friction is easy to generate, so that the problem of abrasion is caused.

In order to solve the technical problems, the utility model provides a safety control device of a high-voltage switch, which comprises a fixed plate, wherein the bottom of the fixed plate is respectively and fixedly provided with a gas collecting pipe and a barometer, the bottom of the gas collecting pipe is fixedly provided with a limiting pipe, the inside of the limiting pipe is respectively provided with a bottom plate and a top plate, the opposite surfaces of the top plate and the bottom plate are respectively and fixedly provided with a snap ring, the insides of the two snap rings are respectively and fixedly provided with a first spring, the upper surface of the top plate is fixedly provided with a guide pillar penetrating through the gas collecting pipe, the upper end of the guide pillar is fixedly connected with a limiting disc, the outside of the limiting disc is respectively provided with a placing groove and two clamping grooves, the inside of the placing groove is provided with a rubber ring, the lower surface of the rubber ring is symmetrically and fixedly provided with clamping blocks corresponding to the clamping grooves, one side of each clamping block is provided with an inserting and fixing hole, and the inner side of each clamping groove is provided with a groove, the inner side of the groove is fixedly provided with a second spring, one end of the second spring is fixedly connected with an inserting and fixing rod corresponding to the inserting and fixing hole, and the outer side of the inserting and fixing rod is fixedly provided with an operation block.

Preferably, the outer side of the guide post is sleeved with a sleeve, and the upper end of the sleeve is fixedly connected with the gas collecting pipe.

Preferably, the sliding grooves are symmetrically formed in the outer side of the guide pillar, the accommodating grooves are symmetrically formed in two sides of the inner cavity of the sleeve, and each accommodating groove is internally provided with a ball matched with the sliding groove.

Preferably, the operation block and the inserting and fixing rod are connected to form an L-shaped structure, and the operation block and the inserting and fixing rod are of an integrally formed structure.

Preferably, the upper surface of the fixing plate is fixedly provided with a sealing ring, and the lower surface of the fixing plate is uniformly provided with a plurality of fixing holes.

Preferably, the bottom plate is connected with the limiting pipe through threads, and a convex block is fixedly installed on the lower surface of the bottom plate.

Compared with the prior art, the utility model provides a pair of high tension switchgear's safety control has following beneficial effect:

the utility model provides a high tension switchgear's safety control device, the inside of standing groove is arranged in to the rubber circle to adopt the elastic deformation ability of second spring, the one end that makes the solid pole of inserting injects the solid downthehole portion of inserting that the fixture block was seted up, thereby solved the fastness of rubber circle installation relatively poor, often remove the problem in the outside that breaks away from spacing dish easily after, and stimulate the operation piece, make the solid pole of inserting break away from the inside of inserting the solid hole, thereby conveniently change the rubber circle.

The utility model provides a high tension switchgear's safety control device adopts ball and spout swing joint between sleeve pipe and the guide pillar, adopts rolling friction to replace sliding friction to solved the guide pillar when sheathed tube inside removes, easily produced the friction, caused the problem of wearing and tearing.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a safety control device of a high-voltage switch according to the present invention;

fig. 2 is a top view of the fixing plate of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

fig. 4 is a partial enlarged view of part B of the present invention.

Reference numbers in the figures: 1. a bump; 2. a limiting pipe; 3. a gas collecting pipe; 4. a fixing plate; 5. a limiting disc; 6. a guide post; 7. a rubber ring; 8. a seal ring; 9. a barometer; 10. a top plate; 11. a snap ring; 12. a first spring; 13. a base plate; 14. a fixing hole; 15. a clamping block; 16. a card slot; 17. inserting and fixing holes; 18. inserting and fixing the rod; 19. an operation block; 20. a second spring; 21. a groove; 22. a sleeve; 23. a ball bearing; 24. a chute; 25. accommodating grooves; 26. and (6) placing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a safety control device of a high voltage switch according to the present invention; fig. 2 is a top view of the fixing plate of the present invention; FIG. 3 is an enlarged view of part A of the present invention; fig. 4 is a partial enlarged view of part B of the present invention. A safety control device of a high-voltage switch comprises a fixed plate 4, wherein the bottom of the fixed plate 4 is respectively and fixedly provided with a gas collecting pipe 3 and an air pressure gauge 9, the bottom of the gas collecting pipe 3 is fixedly provided with a limiting pipe 2, the inside of the limiting pipe 2 is respectively provided with a bottom plate 13 and a top plate 10, the opposite surfaces of the top plate 10 and the bottom plate 13 are respectively and fixedly provided with snap rings 11, the insides of the two snap rings 11 are jointly provided with a first spring 12, the upper surface of the top plate 10 is fixedly provided with a guide post 6 penetrating through the gas collecting pipe 3, the upper end of the guide post 6 is fixedly connected with a limiting disc 5, the outer side of the limiting disc 5 is respectively provided with a placing groove 26 and two clamping grooves 16, the inside of the placing groove 26 is provided with a rubber ring 7, the lower surface of the rubber ring 7 is symmetrically and fixedly provided with clamping blocks 15 corresponding to the clamping grooves 16, one side of each clamping block 15 is provided with an inserting and fixing hole 17, and the inner side of each clamping groove 16 is provided with a groove 21, the inboard fixed mounting of recess 21 has second spring 20, the one end fixedly connected with of second spring 20 with insert solid fixed rod 18 that hole 17 corresponds, the outside fixed mounting who inserts solid rod 18 has operation piece 19, the inside of standing groove 26 is arranged in to rubber ring 7, and adopt the elastic deformation ability of second spring 20, make the one end of inserting solid rod 18 inject inside inserting solid hole 17 that fixture block 15 seted up, thereby the fastness of having solved the installation of rubber ring 7 is relatively poor, break away from the problem in the outside of spacing dish 5 easily after often moving, and pulling operation piece 19, make insert solid rod 18 and break away from the inside of inserting solid hole 17, thereby conveniently change rubber ring 7.

Further, a sleeve 22 is sleeved on the outer side of the guide post 6, and the upper end of the sleeve 22 is fixedly connected with the gas collecting pipe 3.

Further, spout 24 has been seted up to guide pillar 6's outside symmetry, and holding tank 25 has been seted up to the equal symmetry in sleeve 22's inner chamber both sides, and the inside of every holding tank 25 all is provided with ball 23 with spout 24 matching, avoids producing the friction between sleeve 22 and guide pillar 6.

Furthermore, the operation block 19 and the insertion rod 18 are connected to form an "L" shaped structure, and the operation block 19 and the insertion rod 18 are integrally formed, so that the operation block 19 and the insertion rod 18 are firmly connected.

Further, the upper surface of the fixing plate 4 is fixedly provided with a sealing ring 8, and the lower surface of the fixing plate 4 is uniformly provided with a plurality of fixing holes 14, so that the fixing device is convenient.

Further, the bottom plate 13 is connected with the limiting pipe 2 through threads, and the bump 1 is fixedly mounted on the lower surface of the bottom plate 13.

The utility model provides a pair of safety control device of high tension switchgear's theory of operation as follows:

during the use, handheld lug 1 rotates bottom plate 13, and bottom plate 13 rebound drives the spacing dish 5 of connecting through snap ring 11, first spring 12 and guide pillar 6 and removes, and then required pressure when changing spacing dish 5 and pushing down to hoisting device's adaptability. After the bottom plate 13 is separated from the limiting pipe 2, the first spring 12 can be replaced quickly, so that the service life of the device is prolonged. When the rubber ring 7 needs to be detached, the operating block 19 is pulled to enable the insertion fixing rod 18 to compress the second spring 20, and one end of the insertion fixing rod 18 is separated from the inside of the insertion fixing hole 17, so that the rubber ring 7 is conveniently detached from the inside of the placing groove 26, and replacement is facilitated.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A safety control device for a high-voltage switch, comprising a fixed plate (4), characterized in that: the gas collecting tube (3) and the barometer (9) are respectively and fixedly installed at the bottom of the fixing plate (4), the limiting tube (2) is fixedly installed at the bottom of the gas collecting tube (3), a bottom plate (13) and a top plate (10) are respectively arranged inside the limiting tube (2), snap rings (11) are respectively and fixedly installed on opposite surfaces of the top plate (10) and the bottom plate (13), a first spring (12) is jointly arranged inside the two snap rings (11), a guide pillar (6) penetrating through the gas collecting tube (3) is fixedly installed on the upper surface of the top plate (10), a limiting disc (5) is fixedly connected to the upper end of the guide pillar (6), a placing groove (26) and two clamping grooves (16) are respectively formed in the outer side of the limiting disc (5), a rubber ring (7) is arranged inside the placing groove (26), and clamping blocks (15) corresponding to the clamping grooves (16) are symmetrically and fixedly installed on the lower surface of the rubber ring (7), inserting and fixing holes (17) are formed in one side of each clamping block (15), grooves (21) are formed in the inner sides of the clamping grooves (16), second springs (20) are fixedly mounted on the inner sides of the grooves (21), inserting and fixing rods (18) corresponding to the inserting and fixing holes (17) are fixedly connected to one ends of the second springs (20), and operation blocks (19) are fixedly mounted on the outer sides of the inserting and fixing rods (18).

2. The safety control device of a high-voltage switch according to claim 1, characterized in that a sleeve (22) is sleeved on the outer side of the guide post (6), and the upper end of the sleeve (22) is fixedly connected with the gas collecting pipe (3).

3. The safety control device of a high-voltage switch according to claim 2, characterized in that the outside of the guide post (6) is symmetrically provided with sliding grooves (24), the two sides of the inner cavity of the sleeve (22) are symmetrically provided with accommodating grooves (25), and each accommodating groove (25) is internally provided with a ball (23) matched with the sliding groove (24).

4. The safety control device of a high-voltage switch according to claim 1, characterized in that the connection between the operating block (19) and the insertion rod (18) forms an "L" shaped structure, and the operating block (19) and the insertion rod (18) are an integrated structure.

5. The safety control device of a high-voltage switch according to claim 1, wherein the upper surface of the fixing plate (4) is fixedly provided with a sealing ring (8), and the lower surface of the fixing plate (4) is uniformly provided with a plurality of fixing holes (14).

6. The safety control device of a high-voltage switch according to claim 1, wherein the bottom plate (13) is connected with the limit pipe (2) through threads, and the lower surface of the bottom plate (13) is fixedly provided with the convex block (1).