CN215267385U

CN215267385U - Gas supplementing mechanism for GIS gas chamber

Info

Publication number: CN215267385U
Application number: CN202121529211.6U
Authority: CN
Inventors: 张艳杰; 李宏伟; 荆辉; 王仕韬; 路广; 王俊超; 刘朝阳; 刘海客; 贾涛; 宋志明; 赵笑笑; 王璐璐; 刘书阁; 任玉保; 潘志远; 李经纬; 刘梅铃; 郑鑫; 徐英杰
Original assignee: State Grid Corp of China SGCC; State Grid of China Technology College; Shandong Electric Power College
Current assignee: State Grid Corp of China SGCC; State Grid of China Technology College; Shandong Electric Power College
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-21
Anticipated expiration: 2031-07-05

Abstract

The utility model provides an air supply mechanism for a GIS air chamber, which comprises a cut-off valve, pipe joints are welded on both ends of the cut-off valve, and a detachable connecting pipe is installed at one end of the pipe joint away from the cut-off valve. One end of the pipe joint close to the connecting pipe is sleeved with a first sleeve that is fixedly connected to the pipe joint, and the outer surface of one end of the connecting pipe close to the pipe joint is sleeved with a second sleeve that is in sealing contact with the connecting pipe. The sleeve is fixedly connected with the second sleeve through bolts, and the first sleeve is sealed with the second sleeve. The outer surface of the first sleeve is mounted with a transparent sleeve that communicates with the first sleeve, and the transparent sleeve is away from the first sleeve. One end of a sleeve is closed, a rubber plug is slidably installed in the transparent cylinder, and a return spring is provided on the side of the rubber plug away from the first sleeve. Compared with the prior art, the present invention has the following features: Beneficial effects: prevent random leakage of sulfur hexafluoride gas, and realize the reminder of sulfur hexafluoride gas leakage.

Description

Gas supplementing mechanism for GIS gas chamber

Technical Field

The utility model relates to a GIS is tonifying qi mechanism for air chamber belongs to GIS air chamber technical field.

Background

The pure sulfur hexafluoride gas is a colorless, tasteless, odorless, nontoxic and noncombustible inert gas, has stable chemical properties, has good insulating property, and can be widely applied to electric power equipment to play roles of insulating media and extinguishing arcs. When the GIS air chamber is detected, sulfur hexafluoride gas in the gas cylinder and the gas chamber can be reduced, the pressure of the gas chamber can be reduced to be lower than the rated pressure, and the GIS air chamber needs to be supplemented with gas regularly.

Generally, a gas replacement and supply interface with a stop valve is installed in a GIS gas chamber, the stop valve is installed on a gas path pipeline in a bolt connection mode, and sulfur hexafluoride gas is easy to leak and difficult to find after the stop valve and the gas path pipeline are connected due to sealing failure.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a GIS is tonifying qi mechanism for air chamber to propose among the above-mentioned background art stop valve and gas circuit pipe connection position because of sealed inefficacy back, the problem that the sulfur hexafluoride gas is revealed easily and is difficult to by the discovery, the utility model discloses prevent that the sulfur hexafluoride gas is revealed at will, realize revealing reminding the sulfur hexafluoride gas.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a GIS is tonifying qi mechanism for air chamber, includes the stop valve, the union has all been welded at the both ends of stop valve, the union coupling is kept away from the one end of stop valve and is installed the detachable connecting pipe, the pot head that the union coupling is close to the connecting pipe is equipped with the first barrel casing with union coupling fixed connection, the pot head that the connecting pipe is close to the union coupling is equipped with the second barrel casing with the sealed contact of connecting pipe, first barrel casing passes through bolt and second barrel casing fixed connection and first barrel casing and second barrel casing sealing connection, first barrel casing surface mounting have with the communicating transparent cylinder of first barrel casing, the one end that the transparent cylinder deviates from first barrel casing is the closed form, slidable mounting has the rubber buffer in the transparent cylinder, one side that the rubber buffer deviates from first barrel casing is equipped with reset spring.

Further, a first flange is installed at the end, deviating from the stop valve, of the pipe joint, a second flange matched with the first flange is fixedly connected to the end, close to the pipe joint, of the connecting pipe, and the first flange is fixedly connected with the second flange through bolts and is in sealing connection with the second valve.

Furthermore, a first valve connected with air exhaust equipment is installed on the outer surface of the second sleeve, and a second valve used for air intake is installed on one side, far away from the first valve, of the outer surface of the second sleeve.

Furthermore, the outer surface of one end, close to the second sleeve, of the first sleeve is fixedly connected with a first ring edge, the outer surface of one end, close to the first sleeve, of the second sleeve is fixedly connected with a second ring edge, and the first ring edge is fixedly connected with the second ring edge through a bolt.

Furthermore, a sealing sleeve is adhered to one side, close to the second sleeve, in the first sleeve, the sealing sleeve is sleeved on the supporting cylinder, and one end of the supporting cylinder is fixed to the inner surface of the second sleeve.

Furthermore, a first barrel ring is fixedly connected to the middle of one side of the first barrel sleeve, which is far away from the first barrel sleeve, and the first barrel ring is sleeved on the pipe joint and is fixedly connected with the pipe joint.

Further, first section of thick bamboo circle and first cover are integrated into one piece structure, first section of thick bamboo circle and first cover are the component that a plastics material made.

Furthermore, the second cylinder sleeve is fixedly connected with a second cylinder ring in the middle of the side, deviating from the first cylinder sleeve, of the second cylinder sleeve, and the second cylinder ring is sleeved on the connecting pipe and is in sealing contact with the connecting pipe.

Further, the second cylinder ring and the second cylinder sleeve are of an integrally formed structure, and the second cylinder ring and the second cylinder sleeve are both members made of a plastic material.

Further, one side that the rubber buffer deviates from first barrel casing is equipped with the spacing ring, the spacing ring cover is established on reset spring and is fixed middle part position in transparent cylinder.

The utility model has the advantages that: after the pipe joint and the connecting pipe are connected by using the bolt, the position of the second barrel sleeve on the connecting pipe is adjusted, the first barrel sleeve is attached to the second barrel sleeve and connected with the first barrel sleeve and the second barrel sleeve by using the bolt, and then the connecting part of the pipe joint and the connecting pipe is hidden in a closed space formed by the first barrel sleeve and the second barrel sleeve, so that the function of preventing gas leaked from the connecting part of the pipe joint and the connecting pipe from diffusing at will is achieved, meanwhile, the pressure is increased due to the increase of the gas in the space formed by the first barrel sleeve and the second barrel sleeve, and further, under the action of pressure difference, the rubber plug moves in the transparent barrel and extrudes the reset spring, whether the connecting part of the connecting pipe and the pipe joint leaks gas or not can be judged by observing the position of the rubber plug in the transparent barrel, and the reminding of gas leakage is realized.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a gas-replenishing mechanism for a GIS gas chamber of the present invention;

FIG. 2 is an enlarged view of the position A of the gas supplementing mechanism for the GIS gas chamber;

FIG. 3 is an enlarged view of the position B of the gas supplementing mechanism for a GIS gas chamber;

in the figure: 1-stop valve, 2-pipe joint, 3-first flange, 4-first barrel ring, 5-first barrel sleeve, 6-first valve, 7-second barrel sleeve, 8-second barrel ring, 9-connecting pipe, 10-second flange, 11-second valve, 12-rubber plug, 13-transparent barrel, 14-spacing ring, 15-reset spring, 16-sealing sleeve, 17-supporting barrel, 18-first ring edge and 19-second ring edge.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a GIS is tonifying qi mechanism for air chamber, includes stop valve 1, and union joint 2 has all been welded at stop valve 1's both ends, and union joint 2 keeps away from stop valve 1's one end and installs detachable connecting pipe 9, welds union joint 2 at 1 both ends of stop valve to weld the one end of two connecting pipes 9 respectively at gas holder and GIS air chamber, be favorable to reducing the gas leakage point.

First flange 3 is installed to the one end that coupling 2 deviates from stop valve 1, and connecting pipe 9 is close to coupling 2's one end fixedly connected with and first flange 3 matched with second flange 10, and first flange 3 utilizes bolted connection first flange 3 and second flange 10, the dismouting of coupling 2 and connecting pipe 9 of being convenient for through bolt and second flange 10 fixed connection and first flange 3 and second valve 11 sealing connection, first flange 3 of second flange 10.

The pot head that coupling 2 is close to connecting pipe 9 is equipped with the first barrel casing 5 with coupling 2 fixed connection, the pot head that connecting pipe 9 is close to coupling 2 is equipped with the second barrel casing 7 with connecting pipe 9 sealing contact, the first barrel casing 5 is close to the first round limit 18 of the one end external surface fixed connection of second barrel casing 7, the second barrel casing 7 is close to the one end external surface fixed connection of first barrel casing 5 and is connected with second circle limit 19, first circle limit 18 passes through bolt and second circle limit 19 fixed connection, utilize first circle limit 18 of bolted connection and second circle limit 19, thereby hide coupling part position of coupling 2 and connecting pipe 9 in the enclosure space that first barrel casing 5 and second barrel casing 7 formed.

One side of the first sleeve 5, which is close to the second sleeve 7, is adhered with a sealing sleeve 16, the sealing sleeve 16 is sleeved on a supporting cylinder 17, one end of the supporting cylinder 17 is fixed on the inner surface of the second sleeve 7, and when the first sleeve 5 and the second sleeve 7 are connected, the sealing sleeve 16 is sleeved on the supporting cylinder 17, so that the sealing between the first sleeve 5 and the second sleeve 7 is realized.

First barrel casing 5 deviates from first barrel casing 5's one side middle part position fixedly connected with integrated into one piece's first section of thick bamboo circle 4 of plastics material, first section of thick bamboo circle 4 cover is established on coupling 2 and with coupling 2 fixed connection, second barrel casing 7 deviates from first barrel casing 5's one side middle part position fixedly connected with integrated into one piece's second section of thick bamboo circle 8 of plastics material, second section of thick bamboo circle 8 cover is established on connecting pipe 9 and with connecting pipe 9 sealing contact, first section of thick bamboo circle 4 increases the contact range of first barrel casing 5 and coupling 2, second section of thick bamboo circle 8 increases the contact range of second barrel casing 7 and connecting pipe 9.

The outer surface of the first barrel sleeve 5 is provided with a transparent barrel 13 communicated with the first barrel sleeve 5, one end of the transparent barrel 13, which is far away from the first barrel sleeve 5, is in a closed shape, a rubber plug 12 is arranged in the transparent barrel 13 in a sliding manner, one side of the rubber plug 12, which is far away from the first barrel sleeve 5, is provided with a return spring 15, after the pipe joint 2 and the connecting pipe 9 are connected by using a bolt, the position of the second barrel sleeve 7 on the connecting pipe 9 is adjusted, so that the first barrel sleeve 5 and the second barrel sleeve 7 are attached to each other and connected by using the bolt, the connecting part of the pipe joint 2 and the connecting pipe 9 is hidden in a closed space formed by the first barrel sleeve 5 and the second barrel sleeve 7, the function of preventing the gas leaked from being randomly diffused at the connecting part of the pipe joint 2 and the connecting pipe 9 is achieved, meanwhile, the pressure is increased due to the increase of the gas in the space formed by the first barrel sleeve 5 and the second barrel sleeve 7, and under the action of pressure difference, the rubber plug 12 moves in the transparent cylinder 13 and extrudes the return spring 15, and whether the joint of the connecting pipe 9 and the pipe joint 2 leaks air can be judged by observing the position of the rubber plug 12 in the transparent cylinder 13, so that the air leakage reminding is realized.

The outer surface of the second sleeve 7 is provided with a first valve 6 connected with the air extraction equipment, one side of the outer surface of the second sleeve 7, which is far away from the first valve 6, is provided with a second valve 11 used for air inlet, and when leaked air exists in the first sleeve 5 and the second sleeve 7, the first valve 6 and the second valve 11 are opened after the air extraction equipment works, so that the air leaked in the first sleeve 5 and the second sleeve 7 is extracted by the air extraction equipment.

One side of the rubber stopper 12 deviating from the first barrel casing 5 is provided with a limiting ring 14, the limiting ring 14 is sleeved on the return spring 15 and fixed at the middle position in the transparent barrel 13, and the limiting ring 14 plays a role in limiting the sliding position of the rubber stopper 12 to prevent the return spring 15 from being excessively extruded.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A gas supply mechanism for a GIS air chamber, comprising a shut-off valve (1), characterized in that: both ends of the shut-off valve (1) are welded with pipe joints (2), and the pipe joints (2) are far away from One end of the stop valve (1) is provided with a detachable connecting pipe (9), and one end of the pipe joint (2) close to the connecting pipe (9) is sleeved with a first sleeve ( 5), the outer surface of one end of the connecting pipe (9) close to the pipe joint (2) is sleeved with a second sleeve (7) in sealing contact with the connecting pipe (9), and the first sleeve (5) passes through The bolt is fixedly connected with the second sleeve (7) and the first sleeve (5) is sealedly connected with the second sleeve (7). ) connected transparent cylinder (13), the end of the transparent cylinder (13) away from the first cylinder sleeve (5) is closed, and a rubber stopper (12) is slidably installed in the transparent cylinder (13), and the rubber A return spring (15) is provided on the side of the plug (12) facing away from the first sleeve (5).

2 . The air supply mechanism for a GIS gas chamber according to claim 1 , wherein the pipe joint ( 2 ) is provided with a first flange ( 3 ) at one end away from the stop valve ( 1 ). 3 . One end of the connecting pipe (9) close to the pipe joint (2) is fixedly connected with a second flange (10) matched with the first flange (3), and the first flange (3) is connected to the second flange (3) by means of bolts. The flange (10) is fixedly connected and the first flange (3) is sealingly connected with the second valve (11).

3. The air supply mechanism for a GIS air chamber according to claim 1, characterized in that: the outer surface of the second sleeve (7) is provided with the first valve (6) connected with the air extraction equipment, A second valve (11) for air intake is installed on the side of the outer surface of the second sleeve (7) away from the first valve (6).

4. The air supply mechanism for a GIS air chamber according to claim 1, characterized in that: the outer surface of one end of the first sleeve (5) close to the second sleeve (7) is fixedly connected with a first ring Side (18), the outer surface of one end of the second sleeve (7) close to the first sleeve (5) is fixedly connected with a second edge (19), and the first edge (18) is connected to the first edge (18) through bolts. The second ring side (19) is fixedly connected.

5. The air supply mechanism for a GIS gas chamber according to claim 1, wherein a sealing sleeve (16) is pasted on the side of the first sleeve (5) close to the second sleeve (7). ), the sealing sleeve (16) is sleeved on the support cylinder (17), and one end of the support cylinder (17) is fixed on the inner surface of the second sleeve (7).

6. The air supply mechanism for a GIS air chamber according to claim 1, characterized in that: the first sleeve (5) is fixedly connected with the first sleeve in the middle of a surface of the first sleeve (5) away from the first sleeve (5). A ring (4), the first cylindrical ring (4) is sleeved on the pipe joint (2) and is fixedly connected with the pipe joint (2).

7 . The air supply mechanism for a GIS air chamber according to claim 6 , wherein the first cylinder ring ( 4 ) and the first cylinder sleeve ( 5 ) are integrally formed, and the first cylinder Both the ring (4) and the first sleeve (5) are components made of a plastic material.

8. The air supply mechanism for a GIS gas chamber according to claim 1, characterized in that: a second cylinder is fixedly connected to the middle of a surface of the second sleeve (7) away from the first sleeve (5) A ring (8), the second cylindrical ring (8) is sleeved on the connecting pipe (9) and is in sealing contact with the connecting pipe (9).

9 . The air supply mechanism for a GIS air chamber according to claim 8 , wherein the second cylinder ring ( 8 ) and the second cylinder sleeve ( 7 ) are integrally formed, and the second cylinder Both the ring (8) and the second sleeve (7) are made of a plastic material.

10. The air supply mechanism for a GIS air chamber according to claim 1, characterized in that: a limit ring (14) is provided on the side of the rubber stopper (12) away from the first sleeve (5), so The limiting ring (14) is sleeved on the return spring (15) and fixed at the inner middle position of the transparent cylinder (13).