CN201576603U - Dual-pole horizontal rotary type outdoor three-phase high-voltage alternating current isolating switch - Google Patents
Dual-pole horizontal rotary type outdoor three-phase high-voltage alternating current isolating switch Download PDFInfo
- Publication number
- CN201576603U CN201576603U CN2009202803540U CN200920280354U CN201576603U CN 201576603 U CN201576603 U CN 201576603U CN 2009202803540 U CN2009202803540 U CN 2009202803540U CN 200920280354 U CN200920280354 U CN 200920280354U CN 201576603 U CN201576603 U CN 201576603U
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- transmission device
- bearing
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- cutter
- drive link
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Abstract
The utility model relates to a GW4-252III type dual-pole central facture horizontal rotary outdoor three-phase high-voltage alternating current isolating switch, which comprises three single electrodes, a main blade horizontal driving rod and an earthing blade horizontal driving rod. Each single electrode comprises a main conducting device, a pillar insulator, an underframe device, a main blade driving device (9) and the like. The main blade driving devices (9), a left earthing blade driving device and a right earthing blade driving device are all arranged above bearing blocks (1) which are fully sealed, and an earthed switch (5) adopts a straight-wheeled outdoor high-voltage alternating current earthed switch. As transmission on the lower portion of the bearing block (1) is changed into transmission on the upper portion thereof, driving reliability and stability are strengthened greatly; and the full-sealed bearing blocks at two ends of the base have fine waterproof and dustproof actions. The isolating switch has the advantages of stable make-and-brake action, reliable performance, low make impaction, low cost, long service life and the like.
Description
Technical field
The utility model relates to a kind of isolating switch technical field, the outdoor three-phase high-voltage AC isolation switch of specifically a kind of GW4-252III type double-column horizontal rotation type.
Background technology
High voltage isolator is an important device for switching in power plant and the transformer station's electrical system, as its name suggests, is to play buffer action in circuit, so that the maintainer can carry out safety operation and safety inspection to power equipment.Because use amount is big, functional reliability is required than higher, all bigger to the influence of design, foundation and the safe operation of electric substation, power plant.Because of the main feature of disconnecting link is no arc extinguishing ability, so can only divide under the situation of load current, close circuit not having, this just has the higher requirement of ratio to the service behaviour of ground connection plug-in strip.The outdoor three-phase high-voltage AC isolation switch of present GW4-252III type double-column horizontal rotation type exists the deficiency in the design, under the big environment of rainy day, wind for a long time out of doors operation to be easy to generate the bearing pedestal rust dead, transmission failure, shortcoming such as transmission is unreliable
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of GW4-252III type double-column horizontal rotation type outdoor three-phase high-voltage AC isolation switch, it is steady that it has the divide-shut brake process action, dependable performance, the combined floodgate impulsive force is little, and contact point is many, through-current capability is strong, characteristics such as long service life, particularly the local long-play that cold weather and dust storm are big in Xinjiang, Inner Mongol etc. is reliable, has the effect of good waterproof and dustproof.
In order to achieve the above object, the technical solution adopted in the utility model is: the outdoor three-phase high-voltage AC isolation switch of a kind of twin columns center fracture horizontal rotation type, comprise three one poles, the horizontal drive link of operator and the horizontal drive link of ground cutter, each one pole include leading electric installation, post insulator, undercarriage arrangement, interlock, operator transmission device, cutter transmission device and master, the cutter operating mechanism; Undercarriage arrangement comprises the bearing pedestal and the middle tube connector that is connected at two ends, the lower end of post insulator is separately fixed on the bearing pedestal of underframe both sides, its upper end is connected with the contact side with the fingertip side of leading electric installation respectively, it is characterized in that: described operator transmission device and left ground connection ground cutter transmission device are fixed on the both sides of tube connector top by support A, right ground connection ground cutter transmission device then is fixed on the tube connector top by support B, two ground connection plug-in strips are separately fixed at the outside of bearing pedestal, the operator operating mechanism is connected with the operator transmission device by vertical drive link, the operator transmission device, operator kinematic link and left-hand axis bearing connect to form the space four-links structure, and the bearing pedestal at base two ends and interpolar drive link are connected to form the space four-links structure; Ground cutter operating mechanism is connected with left and right ground cutter transmission device respectively by the vertical drive link of ground cutter, and left and right ground cutter transmission device respectively is connected with the ground connection plug-in strip by ground cutter kinematic link; Interlock is connected with right ground connection ground cutter transmission device with the operator transmission device respectively; Described bearing pedestal comprises bearing holder (housing, cover), flange shaft, sealing ring, two bearings, locating part and seal washers, flange shaft is arranged on the bearing holder (housing, cover) top, locating part is arranged on the flange shaft, two bearings are separately positioned on upper/lower terminal in the bearing holder (housing, cover), sealing ring is arranged between the bearing and flange shaft of upper end, seal washer is arranged between the bearing of bearing holder (housing, cover) bottom and lower end, makes bearing pedestal form all-sealed structure.
Described tube connector and interpolar drive link all adopt the square tube type structure.
Described ground connection plug-in strip is a straight-wheel outdoor high voltage AC earthing switch with single columns vertical.
The utility model has effectively strengthened the reliability and stability of transmission by the top transmission that is improved in the transmission of the bottom of bearing pedestal by bearing pedestal; Bearing pedestal is arranged to all-sealed structure, and the inner sealing ring that increases has excellent waterproof, dustproof effect; Tube connector and interpolar drive link all adopt the square tube type structure, novel structure, and good looking appearance, more easy for installation than the form of traditional channel-section steel welding, price is low; That the ground connection plug-in strip is that straight-wheel outdoor high voltage AC earthing switch with single columns vertical possesses is simple and reasonable, divide-shut brake impact little, stable action reliable, the characteristics of excellent electrical properties, easy to operate, safety durable.
Description of drawings
Fig. 1 is a undercarriage arrangement structural representation of the present utility model
Fig. 2 is a bearing block structure schematic diagram of the present utility model
Embodiment
The technical solution adopted in the utility model is: the outdoor three-phase high-voltage AC isolation switch of a kind of twin columns center fracture horizontal rotation type, comprise three one poles, the horizontal drive link of operator and the horizontal drive link of ground cutter, each one pole include leading electric installation, post insulator, undercarriage arrangement, interlock 8, operator transmission device 9, cutter transmission device and master, the cutter operating mechanism.Ground cutter transmission device comprises left ground connection ground cutter transmission device 3 and right ground connection ground cutter transmission device 6.Undercarriage arrangement comprises the bearing pedestal 1 and the middle tube connector 2 that is connected at two ends.The lower end of post insulator is separately fixed on the bearing pedestal 1 of underframe both sides, and its upper end is connected with the contact side with the fingertip side of leading electric installation respectively.Described operator transmission device 9 and left ground connection ground cutter transmission device 3 are fixed on the both sides of tube connector 2 tops by support A4,6 of right ground connection ground cutter transmission devices are fixed on tube connector 2 tops by support B7, and two ground connection plug-in strips 5 are separately fixed at the outside of bearing pedestal 1.The operator operating mechanism is connected with operator transmission device 9 by vertical drive link, and operator transmission device 9, operator kinematic link 10 and left-hand axis bearing 1 are formed the space four-links structure; The bearing pedestal 1 and the interpolar drive link 11 at base two ends are connected to form the space four-links structure.Ground cutter operating mechanism is connected with left and right ground cutter transmission device respectively by the vertical drive link of ground cutter, and left and right ground cutter transmission device respectively is connected with ground connection plug-in strip 5 by ground cutter kinematic link 12.Interlock 8 is connected with right ground connection ground cutter transmission device 6 with operator transmission device 9 respectively.See Fig. 1.
Described bearing pedestal 1 comprises bearing holder (housing, cover) 18, flange shaft 13, sealing ring 14, two bearings 15, locating part 16 and seal washers 17, flange shaft 13 is arranged on bearing holder (housing, cover) 18 tops, locating part 16 is arranged on the flange shaft 13, and two bearings 15 are separately positioned on upper/lower terminal in the bearing holder (housing, cover) 18.Sealing ring 14 is arranged between the bearing 15 and flange shaft 13 of upper end, and seal washer 17 is arranged between the bearing 15 of bearing holder (housing, cover) 18 bottoms and lower end, makes bearing pedestal 1 form all-sealed structure.See Fig. 2.Bearing pedestal 1 of the present utility model is arranged to all-sealed structure, the bearing 15 of tumbler is completely enclosed within one independently in the space, the upper end has been installed sealing ring 14 and has been had anti-dust storm, waterproof action, the seal washer 17 of lower end has also played same effect, the bearing 15 at two ends rotates in an airtight space simultaneously so up and down, prevent switch under rugged environment because of the dust storm bearing 15 in or cause the transmission failure of bearing 15 after corroding.Tube connector 2 of the present utility model can adopt the square tube type structure with interpolar drive link 11, novel structure, and good looking appearance, more easy for installation than the form of traditional channel-section steel welding, price is low; Ground connection plug-in strip 5 of the present utility model can adopt straight-wheel outdoor high voltage AC earthing switch with single columns vertical.
When the operator operating mechanism is spent by 9 rotations 135 of vertical drive link drive operator transmission device, be connected to form the space four-links structure by the space four-links structure formed by operator transmission device 9, operator kinematic link 10 and left-hand axis bearing 1 and by the bearing pedestal 1 and the interpolar drive link 11 at base two ends, the bearing pedestal 1 that drives the base two ends revolves simultaneously and turn 90 degrees, and realizes the branch of operator, the motion of closing a floodgate.Ground cutter operating mechanism drives left and right ground cutter transmission device by the vertical drive link of ground cutter and moves, left and right ground cutter transmission device then revolves on vertical plane by ground cutter kinematic link 12 drive ground connection plug-in strips 5 and turn 90 degrees, thereby reach ground cutter closing position, otherwise ground cutter separating brake.Main, drive connected interlock the action of cutter transmission device the time and move, realize that the ground cutter can not close a floodgate when operator was closed a floodgate, the effect that operator can not be closed a floodgate during the cutter "on" position.
The utlity model has divide-shut brake stable action, dependable performance, the combined floodgate impulsive force is little, at the bottom of the cost, and the good characteristics such as rainproof, windproof.
Claims (3)
1. the outdoor three-phase high-voltage AC isolation switch of a double-column horizontal rotation type, comprise three one poles, the horizontal drive link of operator and the horizontal drive link of ground cutter, each one pole include leading electric installation, post insulator, undercarriage arrangement, interlock, operator transmission device (9), cutter transmission device and master, the cutter operating mechanism; Undercarriage arrangement comprises the bearing pedestal (1) and the middle tube connector (2) that is connected at two ends, the lower end of post insulator is separately fixed on the bearing pedestal (1) of underframe both sides, its upper end is connected with the contact side with the fingertip side of leading electric installation respectively, it is characterized in that: described operator transmission device (9) and left ground connection ground cutter transmission device (3) are fixed on the both sides of tube connector (2) top by support A (4), right ground connection ground cutter transmission device (6) then is fixed on tube connector (2) top by support B (7), two ground connection plug-in strips (5) are separately fixed at the outside of bearing pedestal (1), the operator operating mechanism is connected with operator transmission device (9) by vertical drive link, operator transmission device (9), operator kinematic link (10) and left-hand axis bearing (1) connect to form the space four-links structure, and bearing pedestal at base two ends (1) and interpolar drive link (11) are connected to form the space four-links structure; Ground cutter operating mechanism is connected with left and right ground cutter transmission device respectively by the vertical drive link of ground cutter, and left and right ground cutter transmission device respectively is connected with ground connection plug-in strip (5) by ground cutter kinematic link (12); Interlock is connected with right ground connection ground cutter transmission device with operator transmission device (9) respectively; Described bearing pedestal (1) comprises bearing holder (housing, cover) (18), flange shaft (13), sealing ring (14), two bearings (15), locating part (16) and seal washer (17), flange shaft (13) is arranged on bearing holder (housing, cover) (18) top, locating part (16) is arranged on the flange shaft (13), on two bearings (15) are separately positioned in the bearing holder (housing, cover) (18), following two ends, sealing ring (14) is arranged between the bearing (15) and flange shaft (13) of upper end, seal washer (17) is arranged between the bearing (15) of bearing holder (housing, cover) (18) bottom and lower end, makes bearing pedestal (1) form all-sealed structure.
2. the outdoor three-phase high-voltage AC isolation switch of double-column horizontal rotation type according to claim 1, it is characterized in that: described tube connector (2) all adopts the square tube type structure with interpolar drive link (11).
3. the outdoor three-phase high-voltage AC isolation switch of double-column horizontal rotation type according to claim 1, it is characterized in that: described ground connection plug-in strip (5) is a straight-wheel outdoor high voltage AC earthing switch with single columns vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202803540U CN201576603U (en) | 2009-12-14 | 2009-12-14 | Dual-pole horizontal rotary type outdoor three-phase high-voltage alternating current isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202803540U CN201576603U (en) | 2009-12-14 | 2009-12-14 | Dual-pole horizontal rotary type outdoor three-phase high-voltage alternating current isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576603U true CN201576603U (en) | 2010-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202803540U Expired - Fee Related CN201576603U (en) | 2009-12-14 | 2009-12-14 | Dual-pole horizontal rotary type outdoor three-phase high-voltage alternating current isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
| WO2020124299A1 (en) * | 2018-12-17 | 2020-06-25 | 江苏省如高高压电器有限公司 | Three-phase linkage isolating switch |
-
2009
- 2009-12-14 CN CN2009202803540U patent/CN201576603U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
| WO2020124299A1 (en) * | 2018-12-17 | 2020-06-25 | 江苏省如高高压电器有限公司 | Three-phase linkage isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20131214 |