CN209282710U - The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly - Google Patents

The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly Download PDF

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Publication number
CN209282710U
CN209282710U CN201920040313.8U CN201920040313U CN209282710U CN 209282710 U CN209282710 U CN 209282710U CN 201920040313 U CN201920040313 U CN 201920040313U CN 209282710 U CN209282710 U CN 209282710U
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China
Prior art keywords
isolation
contact
insulating
insulation
gas
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龚晨
兰桂刚
左春光
侯孝
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GUANGDONG AERPAI ELECTRIC POWER TECHNOLOGY CO LTD
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GUANGDONG AERPAI ELECTRIC POWER TECHNOLOGY CO LTD
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Abstract

The utility model relates to a kind of gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly, including stainless steel welded seal case and it is mounted on the intracorporal switch component of stainless steel welded seal box, cavity inside the stainless steel welded seal case forms the gas tank for being full of insulating gas, isolated bus is accessed on the top of the stainless steel welded seal case, cable connection plug is accessed in lower part, the switch component is mounted in stainless steel welded seal case by ground frame, the switch knob and opening button of control switch component are installed in the outside of the stainless steel welded seal case.The utility model has the advantages that: (1) insulation performance meet the requirement of power frequency withstanding voltage and impulse withstand voltage.(2) content of the air of insulating gas and dry decontamination ratio, oxygen reduces half, can improve the thermal capacity of mixed gas and reduce the oxygen corrosion of equipment part.

Description

The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly
Technical field
The utility model relates to a kind of gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly.
Background technique
Disconnecting switch is that one kind is used to connect, be isolated, converting the device contacted between electrical body and electrical appliance in circuit. Lower contact and grounding static contact setting is isolated on same insulator in the isolation upper contact head of existing disconnecting switch, is easy to produce and climbs Electricity and insulation degradation, insulating reliability are poor.Claim that false fracture phenomenon is isolated in industry, and the utility model efficiently solves isolation False fracture phenomenon.Furthermore the fixed installation for rotating knife plate is on the rotating shaft, can not float, and matching requirements are stringent, production requirement Height, and structure is complicated, considerably increases production cost.
Traditional totally-enclosed all insulation looped network switch apparatus is using SF6 gas as insulation and arc-extinguishing medium.SF6 normality Under be best one of the substance of chemical stability, there is very strong electric strength, be about that the resistance to electricity of air is strong in more uniform electric field 2.5 times of degree, while there is good physicochemical property, since 1940, it is widely used as insulation and arc-extinguishing medium In high-voltage circuitbreaker, transformer, in the power system devices such as high-voltage mutual inductor.Annual about more than 8500 tons of the production in the whole world now SF6 gas, more than half is used for power equipment.High-tension switch gear accounts for about 80% of gas consumption or more.
SF6 gas be it is artificial synthesized in the lab for the first time in 1900 by french chemist, in Kyoto Protocol Frame under, be identified as strong greenhouse gases.More precisely 23900 times of CO2Greenhouse effects.So limit System reduces use of the SF6 gas in high-tension switch gear, has become such as ABB, Siemens, and Schneider etc. is internationally famous The main trend of switchgear manufacturing enterprise.The promise that Chinese Government makes environmental emission reduction according to " Jingdone district protocol ", is widelyd popularize Environmentally friendly gas-insulated ring network switchgear.In April, 2017, (2017) No. 324 files of national grid section, " State Grid Corporation of China's weight Point spreads the new technique catalogue (2017 editions) " notice, 2019~2021 years, in newly-built and transformation project, environmentally friendly gas-insulated gold Belong to sealing switch equipment application amount is not less than newly-increased total amount 90%.It is big-and-middle at city's load core space, properly increase application percentage.
Currently, developing the gas-insulating and fully-enclosed loop-network switch cabinet of environmental protection both at home and abroad, majority uses pure nitrogen gas or dry decontamination Compressed air.It is well known that the molecular weight very little of nitrogen, adsorption charge are indifferent.And the thermal capacity of nitrogen compares it Its gas is all smaller, and temperature rise in totally-enclosed gas tank is easily caused quickly to increase.In addition, comparative test is shown, the sky of dry decontamination The electric strength of gas is better than the electric strength of pure nitrogen gas.
Utility model content
To overcome the shortcomings of existing technologies, the utility model provides a kind of gas-insulating and fully-enclosed all insulation ring of novel environment friendly Net switchgear, the technical solution of the utility model are:
The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly, including stainless steel welded seal case and peace Cavity formation inside the intracorporal switch component of stainless steel welded seal box, the stainless steel welded seal case is full of Isolated bus is accessed on the gas tank of insulating gas, the top of the stainless steel welded seal case, and cable connection plug, institute are accessed in lower part The switch component stated is mounted in stainless steel welded seal case by ground frame, in the stainless steel welded seal box The outside of body is equipped with the switch knob and opening button of control switch component.
The ground frame includes rear bearing sheet, front end panel, side insulating barrier and ground connection crossbeam, the rear support Plate is parallel to each other with front end panel, and forms spacing, and side insulating barrier is equipped on the left of rear bearing sheet and front end panel, Ground connection crossbeam is installed on the right side of the rear bearing sheet and front end panel, is all provided on the rear bearing sheet and front end panel It is equipped with axis hole, a flange is installed at each axis hole.
The switch component includes insulate upper main shaft, isolation movable knife rack and double end isolation moving knife plate, and described is exhausted On the flange at the upper gland for being mounted on rear bearing sheet and front end panel that the both ends of main shaft are rotated by bearing on edge, edge The length direction of main shaft is equipped with several isolation movable knife racks in insulation, and double end isolation moving knife is equipped on each isolation movable knife rack The angle of plate, two knife plates of the double end isolation moving knife plate is 120 °;Upper insulating contact is installed on the ground frame Seat, is equipped with several isolation upper contact heads along the length direction of upper insulating contact seat, the upper isolation in each isolation upper contact head side Conducting copper on one is mounted on contact base, conducting copper is connect with one end of top outlet insulator on this, and the ejection line is exhausted The other end of edge passes through the isolated bus;It is quiet that isolation is installed in the stainless steel welded seal box intracorporal side Contact base is equipped with isolation static contact on the isolation fixed contact pedestal;In the stainless of double end isolation moving knife plate lower part Isolation lower contact base is installed in steel welded seal cabinet, contact under isolation is installed on contact base under the isolation, it is described Lower contact is isolated and grounding static contact is distributed uniformly and circumferentially in isolation upper contact head, and with the double of upper main axis of insulating The dynamic cooperation of two knife plates of head isolation moving knife plate;Contact under the isolation be isolated under isolation is installed between contact base under touch Head copper busbar, the other end of contact copper busbar accesses arc extinguishing structure under the isolation.
Main shaft, main shaft connecting lever and insulation push away under the arc extinguishing structure includes arc-chutes bracket, vacuum interrupter, insulate Bar, the both ends of main shaft are mounted at the lower axle bore of rear bearing sheet and front end panel by what bearing rotated under the insulation Flange on, one end of main shaft is extend out to outside stainless steel welded seal case under the insulation, is driven by spring operating mechanism; Several main shaft connecting levers are fixedly installed with along the length direction for insulating lower main shaft, the lower end of the insulation push rod is hinged on described Main shaft connecting lever on, upper end and one end of moving contact connecting lever are hinged, and the other end of the moving contact connecting lever and the arc-chutes are drawn The upper end of bar is hinged, is hinged on the arc-chutes bracket in the middle part of the moving contact connecting lever, arc-chutes branch Vacuum interrupter is installed on frame, switch soft company is installed between the lower end of the arc-chutes pull rod and the moving contact of vacuum interrupter It connects, which is flexible coupling links together with being isolated to descend contact copper busbar.
Side outlet insulator is also equipped on the upper conducting copper.
The arc-chutes bracket includes epoxy resin support portion and the aluminium conjunction for being mounted on epoxy resin support portion side Golden upper contact head bracket and lower bracket form the sky of installation vacuum interrupter between the aluminium alloy upper contact head bracket and lower bracket Between, the lower conducting copper connecting with the static contact of vacuum interrupter lower end is installed on the lower bracket.
In the groove of the isolation movable knife rack insertion double end isolation moving knife plate, and moving knife plate is isolated with double end by screw rod It links together, which is equipped with nut after passing through double end isolation moving knife plate and isolation movable knife rack, the head of the screw rod and double Butterfly spring is mounted between head isolation moving knife plate and between nut double end isolation moving knife plate.
Lower contact is arranged symmetrically along be isolated for the isolation upper contact head and grounding static contact, the isolation upper contact head with connect Ground static contact is integrally in splayed setting;What a wherein knife plate for the double end isolation moving knife plate was swung switches on the isolation Between upper contact head and contact under the isolation, another knife plate of the double end isolation moving knife plate, which is swung, switches on the isolation Between lower contact and the grounding static contact.
Contact is symmetrical arranged with grounding static contact along upper contact head is isolated under the isolation, and the isolation upper contact head is downward Side is arranged along the vertical direction, and contact and grounding static contact are integrally in the shape of the letter V setting under the isolation;Moving knife is isolated in the double end A wherein knife plate for plate, which is swung, to be switched between isolation upper contact head and the contact under the isolation, and the double end isolation is dynamic Another knife plate of knife plate, which is swung, to be switched between the isolation upper contact head and the grounding static contact.
For the isolation movable knife rack and the upper main shaft that insulate by relocation mechanism clearance fit, which includes that insulation is fixed Position sleeve and elasticity steel pin, in the insulation on main shaft, the insulation that is set with along the axis upward sliding for the upper main shaft that insulate is determined Position sleeve, for Elastic Steel pin connection between insulating positioning sleeve cylinder and the upper main shaft that insulate, the isolation movable knife rack is mounted on insulation On abutment sleeve.
The utility model has the advantages that:
(1) insulation performance meets the requirement of power frequency withstanding voltage and impulse withstand voltage.
(2) content of the air of insulating gas and dry decontamination ratio, oxygen reduces half, can improve the thermal capacitance of mixed gas Amount, and the oxygen corrosion of equipment part can be reduced.The content for increasing CO2 gas simultaneously is mentioned by macromolecular structure adsorption charge High electric strength.The insulation performance of the mixed gas insulate better than pure nitrogen gas.The use cost of mixed gas is net lower than air Change drying cost.Consider that the preparation of all gas is the air separating method of physics from environmental consciousness.Once switchgear needs Repair and maintenance, the mix insulation gas can will not generate any pollution with discharging directly into atmosphere.
(3) installation of vacuum interrupter described in the utility model is different from other similar environmentally friendly gas-insulated ring network switches The mounting means of the vacuum interrupter of cabinet, gas tank interior insulation ambient stable is reliable, the naked dew of vacuum interrupter is installed, terminals Open upper aluminium alloy upper contact head bracket is designed, the heat transfer of heater element is increased.It is set around the insulating ceramics bubble of vacuum interrupter The airflow channel of convection current up and down is counted, component heat dissipation is further improved.
(4) contact and grounding static contact are arranged on corresponding insulating contact seat under upper contact head is isolated, is isolated, and pass through Gas medium is kept apart, and gas-insulated fracture, complete gas gap isolation, without being mounted in same insulator are formed On, it prevents to climb electricity and insulation degradation, prevented the false fracture phenomenon claimed in industry, the insulation for strengthening environmentally friendly gas is reliable Property, optimize the insulation system of environmentally friendly gas looped network switch apparatus.Furthermore double end isolation moving knife plate is floating by isolation movable knife rack It is dynamic to be mounted on insulation spindle, be easy installation, interference phenomenon caused by installation error can be eliminated, can moderately amplify double end every From moving knife plate with upper contact head is isolated, be isolated between lower contact and grounding static contact three cooperation precision, and it is smart to reduce processing Degree.And structure is more simple, achievees the purpose that reduce production cost.
Detailed description of the invention
Fig. 1 is the agent structure schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram in Fig. 1 inside stainless steel welded seal case.
Fig. 3 is the structural schematic diagram of ground frame in Fig. 1.
Fig. 4 is the installation relation schematic diagram of ground frame and switch component in Fig. 1.
Fig. 5 is the side view of Fig. 2.
Fig. 6 is the structural schematic diagram of arc-chutes bracket in Fig. 5.
Fig. 7 is the connection relationship diagram for going up main shaft and being isolated between movable knife rack that insulate in Fig. 1.
Fig. 8 is the side view of Fig. 7.
Specific embodiment
Further describe the utility model combined with specific embodiments below, the advantages of the utility model and feature will be with Description and it is apparent.But examples are merely exemplary for these, does not constitute any restrictions to the scope of the utility model. It will be understood by those skilled in the art that can be to the utility model skill under the spirit and scope without departing from the utility model The details and form of art scheme are modified or are replaced, but these modifications and replacement each fall within the protection scope of the utility model It is interior.
Referring to Fig. 1 to Fig. 8, the utility model relates to a kind of gas-insulating and fully-enclosed all insulation loop networks switches of novel environment friendly to set Standby, including stainless steel welded seal case 1 and the switch component being mounted in stainless steel welded seal case 1, this is not Cavity inside rust steel welded seal cabinet 1 forms the gas tank for being full of insulating gas, the top of the stainless steel welded seal case Isolated bus 2 is accessed, the cable connection plug 3 connecting with switch component is accessed in lower part, and the switch component is logical It crosses ground frame to be mounted in stainless steel welded seal case 1, control is installed in the outside of the stainless steel welded seal case 1 The switch knob and opening button of switch component processed.
The ground frame includes rear bearing sheet 7, front end panel 8, side insulating barrier 10 and is grounded crossbeam 9, described Rear bearing sheet 7 is parallel to each other with front end panel 8, and forms spacing, is equipped in the left side of rear bearing sheet 7 and front end panel 8 The right side of side insulating barrier 10, the rear bearing sheet 7 and front end panel 8 is equipped with ground connection crossbeam 9, in the rear bearing sheet 7 And axis hole is provided on front end panel 8, and a flange is installed at each axis hole, flange not only plays support fixation, Also act as the sealing function of axis transmission.
The switch component includes that moving knife plate 2-1 is isolated in the upper main shaft 1-1 of insulation, isolation movable knife rack 3-1 and double end, The both ends of main shaft 1-1 are mounted at the upper gland of rear bearing sheet and front end panel by what bearing rotated in the insulation Flange on, several isolation movable knife rack 3-1 are installed along the length direction for the upper main shaft 1-1 that insulate, on each isolation movable knife rack 3-1 One double end isolation moving knife plate 2-1 is installed, the angle of two knife plates of the double end isolation moving knife plate 2-1 is 120 °;Described Insulating contact seat 42 is installed on ground frame, several isolation upper contact heads are installed along the length direction of upper insulating contact seat 42 4, conducting copper 41 on one are mounted on the upper insulating contact seat 42 of each isolation 4 side of upper contact head, conducting copper on this 41 connect with one end of top outlet insulator, and the other end of the top outlet insulator passes through the isolated bus 2;Described Side in stainless steel welded seal case 1 is equipped with isolation fixed contact pedestal, be equipped on the isolation fixed contact pedestal every From static contact 7;Contact base under isolation is installed in the stainless steel welded seal case of the double end isolation lower part moving knife plate 2-1 61, contact 6 under isolation is installed under the isolation, lower contact 6 and ground connection is isolated in the isolation upper contact head 4 on contact base 61 Static contact 7 is distributed uniformly and circumferentially, and two knife plates of moving knife plate 2-1 are isolated with the double end with upper main shaft 1-1 rotation of insulating Dynamic cooperation;Contact 6 under the isolation be isolated under contact copper busbar 62 under isolation is installed between contact base 61, should be every The other end from lower contact copper busbar 62 accesses arc extinguishing structure.
The arc extinguishing structure includes arc-chutes bracket 12, vacuum interrupter 13, the lower main shaft that insulate, main shaft connecting lever 17 and absolutely Edge push rod 16, the lower part for being mounted on rear bearing sheet and front end panel that the both ends of main shaft are rotated by bearing under the insulation On flange at axis hole, one end of main shaft is extend out to outside stainless steel welded seal case under the insulation, passes through operating machine of the spring Structure (prior art) driving;Several main shaft connecting levers 17, the insulation are fixedly installed with along the length direction for insulating lower main shaft The lower end of push rod 16 is hinged on the main shaft connecting lever 17, and upper end and one end of moving contact connecting lever 15 are hinged, which turns The other end of arm 15 and the upper end of the arc-chutes pull rod 14 are hinged, and the middle part of the moving contact connecting lever 15 is hinged on institute On the arc-chutes bracket 12 stated, arc-chutes bracket 12 on vacuum interrupter 13 is installed, under the arc-chutes pull rod 14 Switch is installed between end and the moving contact of vacuum interrupter 13 and is flexible coupling 11, the switch be flexible coupling 11 with time contact wiring is isolated Copper bar 62 links together.
Side outlet insulator 44 is also equipped on the upper conducting copper 41.
The arc-chutes bracket 12 is including epoxy resin support portion 18 and is mounted on 18 side of epoxy resin support portion Aluminium alloy upper contact head bracket 19 and lower bracket, between the aluminium alloy upper contact head bracket 19 and lower bracket formed installation vacuum The space of arc-chutes is equipped with the lower conducting copper connecting with the static contact of vacuum interrupter lower end on the lower bracket. (the first lower conducting copper 21 and the second lower conducting copper 22 are connect with cable connection plug 3).
In the groove of the isolation movable knife rack 3-1 insertion double end isolation moving knife plate 2-1, and pass through screw rod 4-1 and double end Isolation moving knife plate 2-1 links together, and screw rod 4-1 is equipped with after passing through double end isolation moving knife plate 2-1 and isolation movable knife rack 3-1 Nut 6-1, the head of screw rod 4-1 be isolated between moving knife plate 2-1 with double end and nut 6-1 double end isolation moving knife plate 2-1 it Between be mounted on butterfly spring 5-1, for providing contact pressing force.
Embodiment 1: the isolation upper contact head is symmetrical arranged with grounding static contact along lower contact is isolated, in the isolation Contact and grounding static contact are integrally in splayed setting;What a wherein knife plate for the double end isolation moving knife plate was swung switches on institute Between isolation upper contact head and the contact under the isolation stated, another knife plate swing of the double end isolation moving knife plate switches on institute Under the isolation stated between contact and the grounding static contact.When double end isolation moving knife plate rotates clockwise 60 °, moving knife is isolated in double end A wherein knife plate for plate is contacted with lower contact, another knife plate is isolated with isolation upper contact head, realizes closing position.Current location Under, counterclockwise rotation 60 °, double end isolation moving knife plate a wherein knife plate be isolated under contact, another knife plate and ground connection it is quiet Contact is grounded position.It as closes a floodgate, be isolated, ground connection tri-station isolating switch.
Embodiment 2: contact is symmetrical arranged with grounding static contact along upper contact head is isolated under the isolation, in the isolation Contact is arranged along the vertical direction downward, and contact and grounding static contact are integrally in the shape of the letter V setting under the isolation;The double end A wherein knife plate for isolation moving knife plate, which is swung, to be switched between isolation upper contact head and the contact under the isolation, described double Another knife plate of head isolation moving knife plate, which is swung, to be switched between the isolation upper contact head and the grounding static contact.
By relocation mechanism clearance fit, which includes the isolation movable knife rack 3-1 and the upper main shaft 1-1 that insulate Insulating positioning sleeve cylinder and elastic steel pin, in the insulation on main shaft 1-1, the axis upward sliding of the upper main shaft 1-1 of edge insulation It is set with insulating positioning sleeve cylinder, Elastic Steel pin connection is between insulating positioning sleeve cylinder and the upper main shaft that insulate, the isolation moving knife Frame is mounted on insulating positioning sleeve cylinder.
The insulating gas includes each component of following volumes ratio: vaporized liquid nitrogen 75%, carbon dioxide 15%, oxygen 10%.
Main shaft 1-1 is that epoxy glass fiber winds impregnation hexagon insulating bar, insulation performance and mechanical strength in insulation It is all satisfied the demand of switch operation.For this disconnecting switch main shaft, the support and positioning of double end isolation moving knife plate 2-1 are provided.Together When, the upper main shaft 1-1 of this insulation undertakes the transmitting of isolation movable knife rack rotation torque.
The moving contact that moving knife plate 2 is disconnecting switch is isolated in double end, and in closing position, carrying main circuit current is either connect The short-circuit impact electric current of earth-return.Double end isolation moving knife plate 2-1 is fixed on isolation movable knife rack 3-1.
The working principle of the utility model is: changing isolation upper contact head, lower contact and grounding static contact 8 and double end being isolated The initial isolated location of moving knife plate is isolated, so that it may change circuit earthing mode, complete upper incoming line ground connection.
As shown in figure 5, shown current location is isolated location, the moving knife plate of double end isolation at this time does not contact any static contact, For the middle position of suspension.Therefore, all current potentials are locked on static contact, can limit the extension of electric field well.As height The double-fracture isolation of reliability, seperating safety is better than (the existing hilted broadsword type isolation of existing hilted broadsword type disconnecting switch Switch, moving knife plate or be high potential, or be ground potential, always in electric field directly effect under).When the dynamic touching of insulation push rod traction Head connecting lever acts on arc-chutes pull rod using pin shaft in the middle part of moving contact connecting lever as fulcrum, and arc-chutes pull rod drives vacuum interrupter Moving contact is realized and is moved up and down, and breaking-closing operating is completed.

Claims (9)

1. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly, which is characterized in that including stainless steel welded sealing Cabinet and it is mounted on the intracorporal switch component of stainless steel welded seal box, the chamber inside the stainless steel welded seal case Body forms the gas tank for being full of insulating gas, and isolated bus is accessed on the top of the stainless steel welded seal case, and cable is accessed in lower part Connection plug, the switch component are mounted in stainless steel welded seal case by ground frame, described stainless The outside of steel welded seal cabinet is equipped with the switch knob and opening button of control switch component.
2. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 1, which is characterized in that The ground frame includes rear bearing sheet, front end panel, side insulating barrier and ground connection crossbeam, the rear bearing sheet and preceding branch Fagging is parallel to each other, and forms spacing, side insulating barrier is equipped on the left of rear bearing sheet and front end panel, the rear support Ground connection crossbeam is installed on the right side of plate and front end panel, is provided with axis on the rear bearing sheet and front end panel Hole is mounted on a flange at each axis hole.
3. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 1 or 2, feature exist In moving knife plate, master in the insulation is isolated including insulate upper main shaft, isolation movable knife rack and double end in the switch component On the flange at the upper gland for being mounted on rear bearing sheet and front end panel that the both ends of axis are rotated by bearing, in insulation The length direction of main shaft is equipped with several isolation movable knife racks, and double end isolation moving knife plate, institute are equipped on each isolation movable knife rack The angle for stating two knife plates of double end isolation moving knife plate is 120 °;Upper insulating contact seat, edge are installed on the ground frame The length direction of upper insulating contact seat is equipped with several isolation upper contact heads, the upper insulating contact seat in each isolation upper contact head side On be mounted on conducting copper on one, on this conducting copper with top outlet insulator one end connect, the top outlet insulator The other end passes through the isolated bus;Isolation static contact is installed in the stainless steel welded seal box intracorporal side Seat, is equipped with isolation static contact on the isolation fixed contact pedestal;Stainless steel weldering in double end isolation moving knife plate lower part It connects and isolation lower contact base is installed in seal case, contact under isolation, the isolation are installed on contact base under the isolation Lower contact is isolated and grounding static contact is distributed uniformly and circumferentially in upper contact head, and with the double end with the upper main axis that insulate every The dynamic cooperation of two knife plates from moving knife plate;Contact under the isolation be isolated under isolation is installed between contact base under contact connect Line copper bar, the other end of contact copper busbar accesses arc extinguishing structure under the isolation;One is also equipped on the upper conducting copper Side outlet insulator.
4. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 3, which is characterized in that The arc extinguishing structure includes arc-chutes bracket, vacuum interrupter, insulate lower main shaft, main shaft connecting lever and insulation push rod, described On the flange to insulate at the lower axle bore for being mounted on rear bearing sheet and front end panel that is rotated by bearing of both ends of lower main shaft, One end of main shaft is extend out to outside stainless steel welded seal case under the insulation, is driven by spring operating mechanism;Under insulation Several main shaft connecting levers are fixedly installed on the length direction of main shaft, the lower end of the insulation push rod is hinged on the main shaft and turns On arm, upper end and one end of moving contact connecting lever are hinged, the upper end of the other end of the moving contact connecting lever and the arc-chutes pull rod It is hinged, it is hinged in the middle part of the moving contact connecting lever on the arc-chutes bracket, is installed on the arc-chutes bracket There is vacuum interrupter, switch is installed between the lower end of the arc-chutes pull rod and the moving contact of vacuum interrupter and is flexible coupling, this is opened Pass is flexible coupling to link together with being isolated to descend contact copper busbar.
5. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 4, which is characterized in that The arc-chutes bracket includes epoxy resin support portion and the aluminium alloy upper contact head for being mounted on epoxy resin support portion side Bracket and lower bracket form the space of installation vacuum interrupter, in institute between the aluminium alloy upper contact head bracket and lower bracket The lower conducting copper connecting with the static contact of vacuum interrupter lower end is installed on the lower bracket stated.
6. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 3, which is characterized in that In the groove of the isolation movable knife rack insertion double end isolation moving knife plate, and moving knife plate is isolated with double end by screw rod and is connected to one It rises, which is equipped with nut after passing through double end isolation moving knife plate and isolation movable knife rack, and the head of the screw rod is isolated dynamic with double end Butterfly spring is mounted between knife plate and between nut double end isolation moving knife plate.
7. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 6, which is characterized in that The isolation upper contact head is symmetrical arranged with grounding static contact along lower contact is isolated, the isolation upper contact head and grounding static contact It is whole to be arranged in splayed;What a wherein knife plate for double end isolation moving knife plate was swung the switch on isolation upper contact head with Under the isolation between contact, another knife plate of double end isolation moving knife plate swing switch under the isolation contact with Between the grounding static contact.
8. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 6, which is characterized in that Contact is symmetrical arranged with grounding static contact along upper contact head is isolated under the isolation, and the isolation upper contact head is downward along vertical Direction setting, contact and grounding static contact are integrally in the shape of the letter V setting under the isolation;The double end isolation moving knife plate is wherein One knife plate, which is swung, to be switched between isolation upper contact head and the contact under the isolation, and the another of moving knife plate is isolated in the double end One knife plate, which is swung, to be switched between the isolation upper contact head and the grounding static contact.
9. the gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly according to claim 3, which is characterized in that The isolation movable knife rack and the upper main shaft that insulate by relocation mechanism clearance fit, the relocation mechanism include insulating positioning sleeve cylinder and Elastic steel pin, in the insulation on main shaft, the axis upward sliding of the upper main shaft of edge insulation is set with insulating positioning sleeve cylinder, bullet Property steel pin be connected to insulating positioning sleeve cylinder between the upper main shaft that insulate, the isolation movable knife rack is mounted on insulating positioning sleeve cylinder On.
CN201920040313.8U 2019-01-10 2019-01-10 The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly Active CN209282710U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109830911A (en) * 2019-01-10 2019-05-31 广东阿尔派电力科技股份有限公司 The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109830911A (en) * 2019-01-10 2019-05-31 广东阿尔派电力科技股份有限公司 The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly
CN109830911B (en) * 2019-01-10 2024-01-12 广东阿尔派电力科技股份有限公司 Environment-friendly gas-insulated totally-enclosed totally-insulated ring network switch equipment

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