CN116565750B - Environment-friendly insulating gas medium-voltage switchgear - Google Patents

Environment-friendly insulating gas medium-voltage switchgear Download PDF

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Publication number
CN116565750B
CN116565750B CN202310831842.0A CN202310831842A CN116565750B CN 116565750 B CN116565750 B CN 116565750B CN 202310831842 A CN202310831842 A CN 202310831842A CN 116565750 B CN116565750 B CN 116565750B
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CN
China
Prior art keywords
sliding sleeve
fixedly connected
sealing
shell
connecting plate
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CN202310831842.0A
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Chinese (zh)
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CN116565750A (en
Inventor
李冬冬
王丽梅
李海燕
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Hebei Deruite Electric Appliance Co ltd
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Hebei Deruite Electric Appliance Co ltd
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Priority to CN202310831842.0A priority Critical patent/CN116565750B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/055Features relating to the gas
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/045Details of casing, e.g. gas tightness

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The application provides environment-friendly insulating gas medium-voltage switchgear, which belongs to the technical field of switchgear and aims to solve the problems that the existing medium-voltage switchgear cannot change insulating gas in a device in a sealed state, and the insulating gas cannot be changed alternately left and right in the process of changing the insulating gas. The application can replace the insulating gas in a sealed state, and can perform alternating type gas efficient replacement work.

Description

Environment-friendly insulating gas medium-voltage switchgear
Technical Field
The application relates to the technical field of medium-voltage switchgear, in particular to environment-friendly insulating gas medium-voltage switchgear.
Background
The medium-voltage switch equipment is equipment for a control and protection circuit in a medium-voltage power system, and is common in places such as power substations, industrial and mining enterprises, city construction projects and the like. The medium-voltage switch equipment mainly comprises a circuit breaker, a load switch, a disconnecting switch and the like. The power system has the function of rapidly cutting off a fault circuit when the circuit is in fault, and guaranteeing the safe and stable operation of the power system. The existing medium-voltage switch equipment has some defects when in use.
For example, an environment-friendly gas-insulated ring main unit disclosed in publication No. CN105244798A is characterized in that dry air or nitrogen is adopted in a gas tank for insulation, and sulfur hexafluoride gas (SF 6) is not contained, so that the environment-friendly gas-insulated ring main unit is environment-friendly and safe. The double-fracture design is adopted, and the pressure equalizing design is adopted at the bolt connection part, so that the insulating capability of the product is improved. The observation window is designed, so that the state of the grounding knife and the humidity in the air box can be synchronously observed, accurate judgment can be conveniently made by operators, and the safety of equipment and personnel is ensured. The device can improve the insulating effect, but when in use, the insulating gas in the device cannot be replaced in a sealed state, the left-right alternating replacement work cannot be performed in the process of replacing the insulating gas, and the gas quantity of single replacement cannot be adjusted.
Disclosure of Invention
The present application has been made in view of the problems occurring in the existing medium voltage switchgear.
In order to solve the technical problems, the application provides the following technical scheme: the utility model provides an environmental protection insulating gas medium voltage switchgear, includes the shell, the below fixed mounting of shell inside has the hydraulic stem, the top fixedly connected with roof of hydraulic stem, the outside fixedly connected with first sealed pad of roof, the switchgear body is installed to the front end of shell, first lift subassembly is installed to the left half of shell, and the second lift subassembly is installed to the right half of shell, the top fixedly connected with mount of shell, be connected with the rubber rack between first lift subassembly and the second lift subassembly, the gaseous subassembly of changing is all installed to the below of first lift subassembly and second lift subassembly, the middle meshing of rubber rack is connected with the gear, the middle fixed mounting of gear has the tooth post, the last fixedly connected with connecting rod of gear of rearmost side, the rear side fixedly connected with carousel of connecting rod, the through-hole has been seted up on the surface of carousel, the front and back both sides of through-hole inner wall all fixedly connected with first connecting pad, the rear side fixedly connected with second of through-hole inner wall is connected with second connection pad, the rear side fixedly connected with second connecting pad of shell, the second connecting pad is installed to the rear side fixedly connected with second connecting plate of second lift subassembly, the rear fixedly connected with second connecting plate of rear side is provided with sealed take over.
As a preferred embodiment of the present application, the rear plate and the second gasket are fixedly installed with a second connection pipe, and a central axis of the second connection pipe is collinear with a central axis of the first connection pipe.
As a preferential scheme of the application, the first lifting assembly comprises a first sealing sleeve fixedly arranged at the left side of the top of the shell, a first sliding sleeve is adhered to the inside of the first sealing sleeve, a first connecting plate is fixedly connected between the first sliding sleeve and an adjacent first sliding sleeve, a second sealing sleeve is fixedly connected to the inner wall of the first connecting plate, a first inner rod is adhered to the inside of the second sealing sleeve, a first connecting plate is fixedly connected to the bottom of the first inner rod, sliding connection is arranged between the first sliding sleeve and the shell, the first inner rod penetrates through the inside of the first sliding sleeve, and the first inner rod is fixedly connected with the fixing frame.
As a preferential scheme of the application, the second lifting assembly comprises a third sealing sleeve fixedly arranged on the right side of the top of the shell, a second sliding sleeve is attached to the inside of the third sealing sleeve, a second connecting plate is fixedly connected between the second sliding sleeve and an adjacent second sliding sleeve, a fourth sealing sleeve is fixedly connected to the inner wall of the second sliding sleeve, a second inner rod is attached to the inside of the fourth sealing sleeve, and a second connecting plate is fixedly connected to the bottom of the second inner rod.
As a preferential scheme of the application, the second connecting plate is connected with the fixed frame through a spring, the second inner rod is fixedly connected with the fixed frame, the second inner rod penetrates through the second sliding sleeve, the right end of the rubber rack is connected with the second sliding sleeve, and the left end of the rubber rack is connected with the first sliding sleeve.
As a preferential scheme of the application, the top of the fixing frame is fixedly provided with the electric push rod, the bottom of the electric push rod is connected with the first connecting plate, and the first sliding sleeve forms a lifting structure with the second sliding sleeve through the rubber rack and the gear.
As a preferential scheme of the application, the gas replacement assembly comprises a gas storage cylinder fixedly arranged below a first sliding sleeve and a second sliding sleeve, openings are formed in the left side and the right side of the lower half part of the gas storage cylinder, a third sealing gasket is fixedly connected to the inner wall of the opening, a fixed shaft is fixedly arranged in the middle of the opening, an outer lining is rotationally connected to the outer side of the fixed shaft, the outer lining is connected with the fixed shaft through a torsion spring, a baffle is fixedly connected to the surface of the outer lining, a fourth sealing gasket is attached to the outer side of the gas storage cylinder, a baffle is fixedly connected to the outer side of the fourth sealing gasket, and the baffle is fixedly connected with a shell.
As a preferential scheme of the application, the air cylinder forms a telescopic structure through the second inner rod and the second connecting plate, and the inner wall of the air cylinder is mutually attached to the outer walls of the first connecting plate and the second connecting plate.
As a preferential scheme of the application, the outer wall of the baffle plate is mutually attached with the inner wall of the opening, and the baffle plate forms a rotating structure with the fixed shaft through the fourth sealing gasket and the outer bushing.
As a preferential scheme of the application, the central axes of the tooth column and the gear are collinear, the gear is distributed on the tooth column at equal intervals, a motor is fixedly arranged in the middle of the top of the shell, an output shaft of the motor is connected with the tooth column, a bracket is rotatably arranged on the outer side of the tooth column, and the bracket is fixedly connected with the shell.
Compared with the prior art, the application has the beneficial effects that:
1. through the first lifting assembly and the second lifting assembly that set up for the device can be through extension electric putter, make first sliding sleeve downwardly moving, thereby drive the gaseous subassembly downwardly moving of changing of the left half of device, in order to realize the function of taking a breath, and the device can also be through baffle, fourth sealed pad and gaseous baffle and the torsional spring on changing the subassembly when using, make the device can keep sealed at the in-process of taking a breath, the defect that current medium voltage switchgear can not change the insulating gas in the device under sealed state when using has been solved, the device has the advantage that the functionality is stronger.
2. Through first interior pole, first connecting plate, second interior pole and the second connecting plate on the device for left first sliding sleeve can be automatically from the air that the first half of shell was sent into of suction of lower moving in-process and store to the inside of gas receiver, send gas to in the space between baffle and the roof, the rethread torsional spring is opened the baffle is automatic, thereby realize the function of taking a breath, and at the in-process of taking a breath, still can upwards move through first sliding sleeve, make produce relative motion between first sliding sleeve and the first connecting plate, the indirect gas that waits to change that makes in the first sliding sleeve of first connecting plate is released, make the device more high-efficient when changing gas. The device changes the gas mode to mix new gas into original gas, then take out partial gas again, thereby realize the gas change function.
3. Through spring, gear and the rubber rack on the device for the first sliding sleeve on left side is when the downwardly moving, and the second sliding sleeve on device right side is at the effect of spring upward movement, and the first sliding sleeve on device left side is when the upwardly moving, and the second sliding sleeve on device right side just moves down to cooperation first connecting plate and second connecting plate and the relative motion of first sliding sleeve and second sliding sleeve realize the function of alternative change gas, promoted the result of use of device, solved the defect that current middling pressure switchgear can not control alternative change work, can drive the carousel rotation in step at the rubber rack and rotate, make the carousel intermittent type nature pass through between first connecting pipe and the second connecting pipe, make the gas in the device obtain intermittent type nature change.
4. Through hydraulic stem, roof and the first sealed pad that sets up for the device is at the high of the in-process accessible lifting roof of work, and then realizes adjusting the space size between shell, roof and the baffle, thereby makes the device can change single gaseous inflow, has promoted the adjustable degree of device, has solved current medium voltage switchgear and can not carry out the defect of adjusting to the gaseous volume of single change when using.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person of ordinary skill in the art. Wherein:
FIG. 1 is a schematic diagram of the overall structure of an environment-friendly insulating gas medium-voltage switchgear;
FIG. 2 is a schematic view of the connection structure of the first lifting assembly and the housing of the present application;
FIG. 3 is a schematic view of the structure of FIG. 2 at A;
FIG. 4 is a schematic view of the connection structure of the back plate and the second gasket of the present application;
FIG. 5 is a schematic view of the connection structure of the rear plate and the second connecting pipe of the present application;
FIG. 6 is a schematic view of the connection structure of the turntable and the first connection pad according to the present application;
FIG. 7 is a schematic view of the overall structure of the first connecting pad of the present application.
Reference numerals: 1. a housing; 2. a hydraulic rod; 3. a top plate; 4. a first gasket; 5. a rear plate; 6. a second gasket; 7. a switching device body; 8. a first lifting assembly; 801. a first gland; 802. a first sliding sleeve; 803. a first connector plate; 804. a second gland; 805. a first inner rod; 806. a first connection plate; 9. a second lifting assembly; 901. a third gland; 902. the second sliding sleeve; 903. a second connector plate; 904. a fourth gland; 905. a second inner rod; 906. a second connecting plate; 907. a spring; 10. a fixing frame; 11. a rubber rack; 12. a gear; 13. a gas exchange assembly; 1301. an air cylinder; 1302. an opening; 1303. a third gasket; 1304. a fixed shaft; 1305. a torsion spring; 1306. a baffle; 1307. an outer liner; 14. a partition plate; 15. a fourth gasket; 16. a first connection pipe; 17. a motor; 18. tooth columns; 19. a bracket; 20. a connecting rod; 21. a turntable; 22. a through hole; 23. a first connection pad; 24. a second connection pad; 25. an electric push rod; 26. and a second connection pipe.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Examples
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, an environment-friendly insulating gas medium voltage switchgear comprises a housing 1, a hydraulic rod 2 is fixedly installed below the inside of the housing 1, a top plate 3 is fixedly connected above the hydraulic rod 2, the device can adjust the height of the top plate 3 through the hydraulic rod 2, thereby realizing the adjustment of the space size of a gas replacement area, the device can change the single gas replacement amount, a first sealing gasket 4 is fixedly connected outside the top plate 3, a switchgear body 7 is installed at the front end of the housing 1, a first lifting assembly 8 is installed at the left half part of the housing 1, a second lifting assembly 9 is installed at the right half part of the housing 1, a fixing frame 10 is fixedly connected at the top of the housing 1, a rubber rack 11 is connected between the first lifting assembly 8 and the second lifting assembly 9, a gas replacement assembly 13 is installed below the first lifting assembly 8 and the second lifting assembly 9, the middle of the rubber rack 11 is connected with a gear 12 in a meshed manner, when one of the first lifting component 8 and the second lifting component 9 is lifted, the other lifting component can descend under the action of the gear 12 and the rubber rack 11, so that the device can drive the first lifting component 8 and the second lifting component 9 to alternately move up and down, the alternating gas replacement function is realized under the action of the relative motion between the first lifting component 8 and the second lifting component 9 and the gas replacement component 13, in the process of alternately replacing the gas, the gear 12 is fixedly provided with a toothed column 18 in the middle, the gear 12 at the rearmost side is fixedly connected with a connecting rod 20, the rear side of the connecting rod 20 is fixedly connected with a turntable 21, the surface of the turntable 21 is provided with a through hole 22, the front side and the rear side of the inner wall of the through hole 22 are fixedly connected with a first connecting pad 23, the second connecting pad 24 is fixedly connected to the rear side of the inner wall of the through hole 22, the second connecting pad 24 is fixedly connected to the rear side of the shell 1, the rear plate 5 is fixedly connected to the rear side of the second connecting pad 24, the second sealing pad 6 is fixedly arranged on the surface of the rear plate 5, the first connecting pipe 16 is fixedly arranged in the shell 1, when the rotary table 21 is in the state in fig. 5 through the rear plate 5 and the second sealing pad 6, the rear side of the first connecting pipe 16 on the device is kept sealed, and the safety of the device in use is improved.
In this example, the second connecting pipe 26 is fixedly installed in the rear plate 5 and the second sealing gasket 6, the central axis of the second connecting pipe 26 is collinear with the central axis of the first connecting pipe 16, the first connecting pipe 16 and the second connecting pipe 26 are guaranteed to be communicated with each other, then quick ventilation can be realized, and the second sealing gasket 6 guarantees that the device is ventilated to achieve a sealing effect.
In this example, the first lifting assembly 8 includes a first sealing sleeve 801 fixedly mounted on the left side of the top of the housing 1, a first sliding sleeve 802 is provided on the inner portion of the first sealing sleeve 801 in a fitting manner, a first connecting plate 803 is fixedly connected between the first sliding sleeve 802 and the adjacent first sliding sleeve 802, a second sealing sleeve 804 is fixedly connected on the inner wall of the first connecting plate 803, a first inner rod 805 is provided on the inner portion of the second sealing sleeve 804 in a fitting manner, a first connecting plate 806 is fixedly connected on the bottom of the first inner rod 805, sliding connection is provided between the first sliding sleeve 802 and the housing 1, the first inner rod 805 penetrates through the inner portion of the first sliding sleeve 802, the first inner rod 805 is fixedly connected with the fixing frame 10, and when the first sliding sleeve 802 moves downwards, the first sealing sleeve 801 and the second sealing sleeve 804 ensure an integral sealing effect, and the first connecting plate 806 enables air on the upper layer of the housing 1 to be pumped subsequently so as to perform gas replacement work on the left half portion of the device.
In this example, the second lifting assembly 9 includes a third sealing sleeve 901 fixedly mounted on the right side of the top of the casing 1, a second sliding sleeve 902 is provided on the inner portion of the third sealing sleeve 901 in a fitting manner, a second connecting plate 903 is fixedly connected between the second sliding sleeve 902 and the adjacent second sliding sleeve 902, a fourth sealing sleeve 904 is fixedly connected on the inner wall of the second sliding sleeve 902, a second inner rod 905 is provided on the inner portion of the fourth sealing sleeve 904 in a fitting manner, a second connecting plate 906 is fixedly connected on the bottom of the second inner rod 905, and when the second sliding sleeve 902 moves downwards, the third sealing sleeve 901 and the fourth sealing sleeve 904 ensure the sealing effect of the whole device, and meanwhile, the function of sucking gas and delivering the gas to the lower portion of the casing 1 can be realized by utilizing the relative movement between the second sliding sleeve 902 and the second connecting plate 906.
In this example, the second connection plate 903 is connected to the fixing frame 10 through a spring 907, the second inner rod 905 is fixedly connected to the fixing frame 10, the second inner rod 905 penetrates through the second sliding sleeve 902, the right end of the rubber rack 11 is connected to the second sliding sleeve 902, and the left end of the rubber rack 11 is connected to the first sliding sleeve 802, so that the moving directions of the first sliding sleeve 802 and the second sliding sleeve 902 on the left side of the device are always opposite, and therefore gas in cavities on the left side and the right side of the device can be replaced alternately, and the gas replacement efficiency of the device is improved.
In this example, an electric push rod 25 is fixedly installed at the top of the fixing frame 10, the bottom of the electric push rod 25 is connected with a first connecting plate 803, a lifting structure is formed between a first sliding sleeve 802 and a second sliding sleeve 902 through a rubber rack 11 and a gear 12, and the sliding sleeves on the left side and the right side of the device can alternately move through the rubber rack 11 and the gear 12 on the device and simultaneously drive the gear 12 to rotate, so that gas can be intermittently supplemented while alternating ventilation is performed.
In this example, the gas exchange assembly 13 includes a gas cylinder 1301 fixedly installed below the first sliding sleeve 802 and the second sliding sleeve 902, openings 1302 are formed on both left and right sides of the lower half portion of the gas cylinder 1301, third sealing gaskets 1303 are fixedly connected to the inner wall of the openings 1302, a fixing shaft 1304 is fixedly installed in the middle of the openings 1302, an outer liner 1307 is rotatably connected to the outer side of the fixing shaft 1304, the outer liner 1307 is connected to the fixing shaft 1304 through a torsion spring 1305, a baffle 1306 is fixedly connected to the surface of the outer liner 1307, a fourth sealing gasket 15 is fixedly connected to the outer side of the fourth sealing gasket 15, a partition 14 is fixedly connected to the partition 14 and the casing 1, and the baffle 1306 can be mutually attached to the third sealing gasket 1303 in the process of propping against the baffle 1306 through the torsion spring 1305 on the device, so that the device keeps stable in the process of upwards discharging and downwards conveying gas, and the functionality of the device is improved.
In this example, the air cylinder 1301 forms a telescopic structure between the second inner rod 905 and the second connecting plate 906, the inner wall of the air cylinder 1301 and the outer walls of the first connecting plate 806 and the second connecting plate 906 are all attached to each other, and the second connecting plate 906 is kept motionless in the process of being pushed and pulled up and down by the telescopic structure on the device, so that the air cylinder 1301 and the second connecting plate 906 generate relative motion, and an automatic gas sucking function is realized.
In this example, the outer wall of the baffle 1306 and the inner wall of the opening 1302 are attached to each other, the baffle 1306 forms a rotating structure with the fixed shaft 1304 through the fourth gasket 15 and the outer liner 1307, and the fourth gasket 15 is kept in a vertical state after being propped against the baffle 1306 through the rotating structure on the device, so that the overall stability of the device is improved.
In the example, the central axes of the tooth column 18 and the gear 12 are collinear, the gear 12 is distributed on the tooth column 18 at equal intervals, a motor 17 is fixedly arranged in the middle of the top of the shell 1, an output shaft of the motor 17 is connected with the tooth column 18, a bracket 19 is rotatably arranged on the outer side of the tooth column 18, the bracket 19 is fixedly connected with the shell 1, and the device can directly drive the gear 12 to rotate through the external motor 17 during operation, so that the driving mode is changed, and meanwhile, the device can drive the tooth column 18 to rotate through the gear 12, so that gas in the device is discharged and supplemented later.
It should be noted that, the present application is an environment-friendly insulating gas medium voltage switchgear, firstly, as shown in fig. 1, 2 and 4, the device is to mix new gas into original gas, then to draw out part of the gas, so as to realize a gas replacement function, the space formed by the top plate 3, the housing 1 and the partition plate 14 is kept in communication with the internal space of the switchgear body 7, the function of replacing gas in the switchgear body 7 is realized by replacing gas in the space formed by the top plate 3, the housing 1 and the partition plate 14, since the spaces on the upper and lower sides of the partition plate 14 are kept in a sealed state when the device is in the state of fig. 2, the device is enabled to perform ventilation on the upper side gas storage space of the partition plate 14 under the condition that the space formed by the top plate 3, the housing 1 and the partition plate 14 is not affected, the motor 17 is externally connected to the top of the housing 1, the gear column 18 and the connecting rod 20 are driven by the motor 17, and the turntable 21 are enabled to rotate, so that the turntable 21 intermittently passes between the first connecting tube 16 and the second connecting tube 26, so as to realize the function of replacing gas in the upper layer space of the partition plate 14, the rubber layer is kept in a sealed state when the gear 12 is driven by the gear rack 11, and the rubber layer is kept in a sealed state when the gear 12 is kept in the upper layer of the rubber layer, and the rubber layer is kept in a deformed state, so that the upper layer of the device is enabled to continuously to perform ventilation function by the rubber layer is kept in the lower layer. In order to avoid mixing outside air in the through hole 22 in the process of taking a breath, through the first connecting pad 23 of two sets of eight fan-shaped structures of two sets of each of bilateral symmetry distribution that set up for the through hole 22 on the device keeps sealedly after with first connecting pipe 16 and second connecting pipe 26 butt joint, and the second sealing pad 6 between rear panel 5 and carousel 21 and the second connecting pad 24 of shell 1 rear side can guarantee when taking a breath, and holistic sealed effect makes the device keep stable in the course of the work.
As shown in fig. 1 to 4, the height of the top plate 3 is adjusted by the hydraulic rod 2, and the first gasket 4 maintains a sealed state of the upper and lower side spaces of the top plate 3 during the height adjustment of the top plate 3, and changes the single ventilation amount by adjusting the space between the top plate 3 and the partition 14. When the device is used for replacing gas, the electric push rod 25 above the fixing frame 10 stretches to drive the first connecting plate 803 and the first sliding sleeve 802 to move downwards, when the first sliding sleeve 802 moves downwards, the first sealing sleeve 801 and the second sealing sleeve 804 ensure the sealing effect in the shell 1, the left end of the rubber rack 11 moves downwards, the right end of the rubber rack 11 is changed from a tensioning state to a loosening state, under the action of the spring 907, the second connecting plate 903 and the second sliding sleeve 902 move upwards, the third sealing sleeve 901 and the fourth sealing sleeve 904 can keep sealing, so that the function of alternately moving the first sliding sleeve 802 and the second sliding sleeve 902 up and down is realized, relative displacement is generated between the first sliding sleeve 802 and the first connecting plate 806 below the first inner rod 805, and relative displacement is generated between the second sliding sleeve 902 and the second inner rod 905 and the second connecting plate 906, so that the device can exhaust when the first sliding sleeve 802 moves downwards, and the gas in the sealing state is replaced when the first sliding sleeve 802 moves upwards. After the first sliding sleeve 802 drives the air cylinder 1301 on the air replacing assembly 13 to move to the lower side, the function of opening the baffle 1306 in the opening 1302 can be realized through the torsion spring 1305 between the fixed shaft 1304 and the outer liner 1307, so that the air can be discharged, and when the air cylinder 1301 moves upwards, the fourth sealing gasket 15 on the partition 14 butts against the baffle 1306, so that the baffle 1306 is in a vertical state again, and the air intersection on the upper side and the lower side of the partition 14 is reduced as much as possible.
Although the application has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. An environment-friendly insulating gas medium voltage switchgear, comprising a housing (1), characterized in that: the utility model discloses a gas-phase switching device, including shell (1), sealing washer (4), connecting rod (20), connecting rod (21), carousel (22) and inner wall (23) are connected to the top fixedly connected with mount (10) of shell (1), be connected with rubber rack (11) between first lifting component (8) and second lifting component (9), gas change subassembly (13) are all installed to the below of first lifting component (8) and second lifting component (9), gear (12) are connected with in the middle of rubber rack (11), gear (18) are fixedly installed in the centre of gear (12), connecting rod (20) are connected with on gear (12) of last side, carousel (21) are connected with in the back side of connecting rod (20), carousel (22) are connected with through-hole (23) in the front of carousel (22) are all connected to the front side, the rear side of the inner wall of the through hole (22) is fixedly connected with a second connecting pad (24), the rear side of the shell (1) is fixedly connected with a second connecting pad (24), the rear side of the second connecting pad (24) is fixedly connected with a rear plate (5), the surface of the rear plate (5) is fixedly provided with a second sealing pad (6), and a first connecting pipe (16) is fixedly arranged in the shell (1);
a second connecting pipe (26) is fixedly arranged in the rear plate (5) and the second sealing gasket (6), and the central axis of the second connecting pipe (26) is collinear with the central axis of the first connecting pipe (16);
the first lifting assembly (8) comprises a first sealing sleeve (801) fixedly mounted on the left side of the top of the shell (1), a first sliding sleeve (802) is arranged in the first sealing sleeve (801) in a fit mode, a first connecting plate (803) is fixedly connected between the first sliding sleeve (802) and the adjacent first sliding sleeve (802), a second sealing sleeve (804) is fixedly connected to the inner wall of the first connecting plate (803), a first inner rod (805) is arranged in the second sealing sleeve (804) in a fit mode, a first connecting plate (806) is fixedly connected to the bottom of the first inner rod (805), sliding connection is arranged between the first sliding sleeve (802) and the shell (1), the first inner rod (805) penetrates through the inner portion of the first sliding sleeve (802), and the first inner rod (805) is fixedly connected with the fixing frame (10);
the second lifting assembly (9) comprises a third sealing sleeve (901) fixedly mounted on the right side of the top of the shell (1), a second sliding sleeve (902) is arranged in the third sealing sleeve (901) in a fit mode, a second connecting plate (903) is fixedly connected between the second sliding sleeve (902) and the adjacent second sliding sleeve (902), a fourth sealing sleeve (904) is fixedly connected to the inner wall of the second sliding sleeve (902), a second inner rod (905) is arranged in the fourth sealing sleeve (904) in a fit mode, and a second connecting plate (906) is fixedly connected to the bottom of the second inner rod (905);
the gas replacement assembly (13) comprises a gas storage cylinder (1301) fixedly arranged below a first sliding sleeve (802) and a second sliding sleeve (902), openings (1302) are formed in the left side and the right side of the lower half part of the gas storage cylinder (1301), third sealing gaskets (1303) are fixedly connected to the inner wall of each opening (1302), a fixed shaft (1304) is fixedly arranged in the middle of each opening (1302), an outer lining (1307) is rotatably connected to the outer side of each fixed shaft (1304), the outer lining (1307) is connected with the corresponding fixed shaft (1304) through a torsion spring (1305), a baffle plate (1306) is fixedly connected to the surface of each outer lining (1307), a fourth sealing gasket (15) is attached to the outer side of each gas storage cylinder (1301), a partition plate (14) is fixedly connected to the outer side of each fourth sealing gasket (15), and the partition plate (14) is fixedly connected with the outer shell (1);
the outer wall of the baffle (1306) is mutually attached to the inner wall of the opening (1302), and the baffle (1306) forms a rotating structure with the fixed shaft (1304) through the fourth sealing gasket (15) and the outer lining (1307).
2. An environmentally friendly insulating gas medium voltage switchgear as claimed in claim 1, wherein: the second connecting plate (903) is connected with the fixing frame (10) through a spring (907), a second inner rod (905) is fixedly connected with the fixing frame (10), the second inner rod (905) penetrates through the second sliding sleeve (902), the right end of the rubber rack (11) is connected with the second sliding sleeve (902), and the left end of the rubber rack (11) is connected with the first sliding sleeve (802).
3. An environmentally friendly insulating gas medium voltage switchgear as claimed in claim 2, wherein: the top fixed mounting of mount (10) has electric putter (25), the bottom of electric putter (25) links to each other with first joint board (803), first sliding sleeve (802) constitute elevation structure through between rubber rack (11) and gear (12) and second sliding sleeve (902).
4. An environmentally friendly insulating gas medium voltage switchgear as claimed in claim 1, wherein: the air cylinder (1301) forms a telescopic structure between the second inner rod (905) and the second connecting plate (906), and the inner wall of the air cylinder (1301) is mutually attached to the outer walls of the first connecting plate (806) and the second connecting plate (906).
5. An environmentally friendly insulating gas medium voltage switchgear as claimed in claim 1, wherein: the gear is characterized in that the tooth column (18) and the gear (12) are in central axis alignment, the gears (12) are distributed on the tooth column (18) at equal intervals, a motor (17) is fixedly installed in the middle of the top of the shell (1), an output shaft of the motor (17) is connected with the tooth column (18), a support (19) is rotatably installed on the outer side of the tooth column (18), and the support (19) is fixedly connected with the shell (1).
CN202310831842.0A 2023-07-07 2023-07-07 Environment-friendly insulating gas medium-voltage switchgear Active CN116565750B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0584111U (en) * 1992-04-15 1993-11-12 日新電機株式会社 Adsorbent mounting device for gas insulated switchgear
CN111535923A (en) * 2020-04-01 2020-08-14 广州盛康动力设备有限公司 Novel silent generator set
CN116085907A (en) * 2023-02-20 2023-05-09 浙江海致建设有限公司 Building indoor air circulation and adjustment device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018232236A1 (en) * 2017-06-16 2018-12-20 Eaton Intelligent Power Limited Isolating gas-insulated bus arrangements for switchgear

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0584111U (en) * 1992-04-15 1993-11-12 日新電機株式会社 Adsorbent mounting device for gas insulated switchgear
CN111535923A (en) * 2020-04-01 2020-08-14 广州盛康动力设备有限公司 Novel silent generator set
CN116085907A (en) * 2023-02-20 2023-05-09 浙江海致建设有限公司 Building indoor air circulation and adjustment device

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