CN201387836Y - Three-column flip horizontal outdoor three-phase high-voltage AC isolating switch - Google Patents
Three-column flip horizontal outdoor three-phase high-voltage AC isolating switch Download PDFInfo
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- CN201387836Y CN201387836Y CN200920020978U CN200920020978U CN201387836Y CN 201387836 Y CN201387836 Y CN 201387836Y CN 200920020978 U CN200920020978 U CN 200920020978U CN 200920020978 U CN200920020978 U CN 200920020978U CN 201387836 Y CN201387836 Y CN 201387836Y
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- ground connection
- switch blade
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Abstract
The utility model relates to a GW7F three-column flip horizontal outdoor three-phase high-voltage AC isolating switch, comprising three monopoles, a main switch blade horizontal drive rod and a ground switch blade horizontal drive rod, wherein each monopole comprises a main switch blade static contact, a main switch blade moving contact, a post insulator, a grounding mechanism, a main switch blade drive mechanism and a main switch blade operation mechanism, and the grounding mechanism is in a two-step action structure, and comprises ground switch blades, a ground switch blade drive device and a ground static contact, wherein the ground switch blades are arranged on the two sides of a base and is connected with a ground switch blade rotating shaft, the ground switch blade rotating shaft is connected with the ground switch blade drive device, and the ground switch blade drive device is connected with a ground switch blade operation mechanism. The utility model has the advantages of stable switching action, reliable performance, weak switching impact, little contact point, strong through-flow, 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 GW7F type three-post horizontally turning 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 earthing mechanism of the outdoor three-phase high-voltage AC isolation switch of present GW7F type three-post horizontally turning type exists the deficiency in the design, be generally the single step action as the ground connection plug-in strip, the ground connection plug-in strip of this structure dynamic and static contact when closing a floodgate impacts big, action stability is poor, useful life is short, brings difficulty to operation.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of GW7F type three-post horizontally turning type outdoor three-phase high-voltage AC isolation switch, and 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.
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 three-post horizontally turning type, comprise three one poles, the horizontal drive link of operator and the horizontal drive link of ground cutter, each one pole includes operator fixed contact, operator moving contact, post insulator, earthing mechanism, operator transmission mechanism and operator operating mechanism; Three column insulators are installed in the base top respectively, post insulator top in the middle of the operator moving contact is connected by transmission case, the operator fixed contact is installed on the top of the post insulator of both sides respectively, the operator operating mechanism is connected with the post insulator of centre by the operator transmission mechanism, the upper end of this post insulator is connected with and can drives the transmission case that the operator moving contact rotates, described earthing mechanism is the two-step action type structure, comprise the ground connection plug-in strip, ground cutter transmission device and ground connection fixed contact, the ground connection fixed contact is arranged on the post insulator top of base both sides, the below of operator fixed contact, the ground connection plug-in strip is installed in the both sides of base by grip block, and be connected with ground swivel axle on being arranged on base, the ground connection plug-in strip is vertical with ground swivel axle, ground swivel axle is connected with ground cutter transmission device, and described ground cutter transmission device is connected with ground cutter operating mechanism with ground cutter vertical links by joint; Described ground connection plug-in strip comprises ground connection moving contact, contact tube, connecting lever and clamps, the ground connection moving contact is arranged on the end of contact tube, the other end of contact tube is connected with connecting lever by clamping, connecting lever is made up of active connecting lever and passive connecting lever, and main, passive connecting lever is installed on the base by grip block; The fingertip of described ground connection fixed contact is the helical spring fingertip, is connected by the zinc-plated soft conductive strips of copper between contact tube and the base.
The described transmission case that is connected with the operator moving contact is inner to be pinion unit
The fingertip that described operator fixed contact is is the external-compression type fingertip.
The utility model earthing mechanism is set to the two-step action type structure, promptly drive ground cutter transmission device by ground cutter operating mechanism by ground cutter vertical links and joint and rotate, side by side the cutter transmission device drives contact tube rotation 90 earlier on perpendicular of ground connection plug-in strip by ground swivel axle.Rotate, make the ground connection plug-in strip Cheng Jianzhi shape of previous level shape, moving contact on the contact tube just is positioned at the below of ground connection fixed contact, and then drive passive connecting lever by the active connecting lever and promote to clamp and drive contact tube and move straight up in inserting fixed contact, contact fully with the fingertip of ground connection fixed contact, realize closing a floodgate.Otherwise separating brake is reverse operating then.The ground connection plug-in strip is to rotate earlier 90 degree, the two-step structure of motion straight up again, and two-step action type ground cutter has special round trip motion, and action is stable, closes a floodgate that it is little to impact, and operating physical force is little, simple realization easily, long service life; The fingertip of ground connection fixed contact adopts the helical spring fingertip, can strengthen the contact area with ground cutter moving contact, for the electric power that is caused by short circuit current especially ability to bear is arranged, and through-current capability is strong; Contact tube adopts soft conductive strips to be connected with the electrical connection between the base, and contact is reliable; Transmission case in the utility model is a pinion unit, and a step action type transmission more originally is more stable.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the structural representation of the utility model earthing mechanism
Fig. 4 is the I portion enlarged drawing of Fig. 1
Embodiment
Now in conjunction with the accompanying drawings the utility model is further described, the utility model mainly comprises three one poles, the horizontal drive link 21 of operator and the horizontal drive link 22 of ground cutter etc.Each one pole includes operator fixed contact 1, operator moving contact 2, post insulator 3, earthing mechanism, operator transmission mechanism 4 and operator operating mechanism 5.Post insulator 3 is a three pillar type, and three column insulators 3 are installed in base 6 tops respectively, post insulator 3 tops in the middle of transmission case 7 is arranged on, and operator moving contact 2 is connected with transmission case 7, and can rotate under the drive of transmission case 7.Operator fixed contact 1 is installed on the top of the post insulator 3 of both sides respectively, and the fingertip of the operator fixed contact 1 in the present embodiment is the external-compression type fingertip.Operator operating mechanism 5 is connected with the post insulator 3 of centre and drives this post insulator 3 by the transmission mechanism 4 of operating and rotates, and this post insulator 3 drives 2 rotations of operator moving contact again by transmission case 7 simultaneously.Transmission case 7 inside in the present embodiment are pinion unit.
Described earthing mechanism is the two-step action type structure, comprise ground connection plug-in strip 8, cutter transmission device 9 and ground connection fixed contact 10 etc., ground connection fixed contact 10 is arranged on post insulator 3 tops of base 6 both sides, the below of operator fixed contact 1, and the fingertip of ground connection fixed contact 10 is the helical spring fingertip.Ground connection plug-in strip 8 is installed in the both sides of base 6 by grip block and is connected with ground swivel axle 11 on being arranged on base 6, ground connection plug-in strip 8 is vertical with ground swivel axle 11, ground swivel axle 11 other ends are connected with ground cutter transmission device 9, and ground cutter transmission device 9 is connected with ground cutter operating mechanism 13 with ground cutter vertical links 12 by joint.
Described ground connection plug-in strip 8 comprises ground connection moving contact 14, contact tube 15, connecting lever and clamps 16, ground connection moving contact 14 is a round bar shape, be arranged on the end of contact tube 15, the other end of contact tube 15 16 is connected with connecting lever by clamping, connecting lever is connected to form by active connecting lever 17 and passive connecting lever 18, and main, passive connecting lever is installed on the base 6 by grip block.Between contact tube 15 and base 6, also be connected by the zinc-plated soft conductive strips 19 of copper.
Described ground cutter transmission device 9 is the space four-links structure, comprise ground cutter transmission crank arm, oscillating bearing, double threaded screw and ground cutter output revolving shaft, described ground cutter transmission crank arm one end is connected with ground swivel axle 11, the other end is connected with ground cutter output revolving shaft with double threaded screw by oscillating bearing, and ground cutter output revolving shaft is fixed on the base 6 and with the joint that is arranged on base 6 belows by support and is connected.
Operator operating mechanism 5 rotates by the post insulator 3 that operator transmission mechanism 4 drives connected centre, this post insulator 3 drives 70 ° of operator moving contact 2 rotations by the transmission case 7 on top, operator moving contact 2 is inserted in the operator fixed contact 1, after operator moving contact 2 is blocked by operator fixed contact 1, the contact tube 15 of operator moving contact 2 under the drive of transmission case 7 around about 45 ° of self rotational, the movable contact plate of operator moving contact 2 becomes erectility, the static contact finger of compression operator fixed contact 1, form contact pressure, the movable contact plate is reliably contacted with static contact finger, finish the operator "on" position of isolating switch, this moment is locked because of interlock, the ground cutter can not close a floodgate, and promptly ground connection plug-in strip 8 can not close a floodgate.Make reverse motions when operator moving contact 2, the moving contact 2 of operating disconnects when not contacting with operator fixed contact 1 and is the operator gate-dividing state, and the part that the ground cutter is interlocked is in separated position, makes the ground cutter can carry out the divide-shut brake motion.
When the ground cutter closes a floodgate, drive ground cutter output revolving shaft half-twist in the ground cutter transmission device 9 by ground cutter operating mechanism 13 by ground cutter vertical links 12 and joint, side by side the cutter output revolving shaft drives connected oscillating bearing and double threaded screw action, make the ground cutter transmission crank arm in the ground cutter transmission device 9 drive 11 rotations of ground swivel axle, because the contact tube 15 in the ground connection plug-in strip 8 16 is connected with ground swivel axle 11 with connecting lever by clamping, old place swivel axle 11 drives contact tube 15 half-twist on vertical plane earlier, ground connection moving contact 14 on the contact tube 15 just is positioned at the below of ground connection fixed contact 10, and then by the passive connecting lever 18 of active connecting lever 17 drives, promotion clamp 16 control contact tubes 15 move upward, ground connection moving contact 14 is inserted in the ground connection fixed contact 10, contact with the fingertip of ground connection fixed contact 10, realize the closing position of ground cutter.Otherwise cutter separating brake position, ground is operated in anti-phase then.The action of ground connection plug-in strip 8 of the present utility model can be done the half-twist motion earlier and do rectilinear motion upwards again, and the isolating switch action of this two-step action type structure is stable, and combined floodgate impacts little, long service life; Ground connection moving contact 14 adopts round bar shape, is inserted into the engagement system of round screw thread spring touch finger, and dynamic and static contact closing position contact point is many, for the electric power that causes by short circuit current especially ability to bear is arranged, through-current capability is strong, and the divide-shut brake process action is steadily reliable, impacts little; Be connected by soft conductive strips 19 between contact tube 15 and the base 6, contact is reliable.
It is little to the utlity model has the impact of closing a floodgate, stable action, and dependable performance, through-current capability is strong, behaviour Make easily the characteristics such as long service life.
Claims (3)
1, the outdoor three-phase high-voltage AC isolation switch of a kind of three-post horizontally turning type, comprise three one poles, operate horizontal drive link and ground cutter horizontal drive link, each one pole includes the operator fixed contact, the operator moving contact, post insulator, earthing mechanism, operator transmission mechanism and operator operating mechanism, three column insulators are installed in the base top respectively, post insulator top in the middle of the operator moving contact is connected by transmission case, the operator fixed contact is installed on the top of the post insulator of both sides respectively, the operator operating mechanism is connected with the post insulator of centre by the operator transmission mechanism, the upper end of this post insulator is connected with and can drives the transmission case that the operator moving contact rotates, it is characterized in that: described earthing mechanism is the two-step action type structure, comprise the ground connection plug-in strip, ground cutter transmission device and ground connection fixed contact, the ground connection fixed contact is arranged on the post insulator top of base both sides, the below of operator fixed contact, the ground connection plug-in strip is installed in the both sides of base by grip block, and be connected with ground swivel axle on being arranged on base, the ground connection plug-in strip is vertical with ground swivel axle, ground swivel axle is connected with ground cutter transmission device, and described ground cutter transmission device is connected with ground cutter operating mechanism with ground cutter vertical links by joint; Described ground connection plug-in strip comprises ground connection moving contact, contact tube, connecting lever and clamps, the ground connection moving contact is arranged on the end of contact tube, the other end of contact tube is connected with connecting lever by clamping, connecting lever is made up of active connecting lever and passive connecting lever, and main, passive connecting lever is installed on the base by grip block; The fingertip of described ground connection fixed contact is the helical spring fingertip, is connected by the zinc-plated soft conductive strips of copper between contact tube and the base.
2, the outdoor three-phase high-voltage AC isolation switch of three-post horizontally turning type according to claim 1 is characterized in that: the described transmission case that is connected with the operator moving contact is inner to be pinion unit.
3, the outdoor three-phase high-voltage AC isolation switch of three-post horizontally turning type according to claim 1, it is characterized in that: the fingertip of described operator fixed contact is the external-compression type fingertip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920020978U CN201387836Y (en) | 2009-04-16 | 2009-04-16 | Three-column flip horizontal outdoor three-phase high-voltage AC isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920020978U CN201387836Y (en) | 2009-04-16 | 2009-04-16 | Three-column flip horizontal outdoor three-phase high-voltage AC isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201387836Y true CN201387836Y (en) | 2010-01-20 |
Family
ID=41580377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920020978U Expired - Fee Related CN201387836Y (en) | 2009-04-16 | 2009-04-16 | Three-column flip horizontal outdoor three-phase high-voltage AC isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201387836Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807485A (en) * | 2010-04-28 | 2010-08-18 | 山东泰开隔离开关有限公司 | Tipping gear used for flip horizontal type isolating switch |
| CN101866773A (en) * | 2010-05-24 | 2010-10-20 | 山东泰开隔离开关有限公司 | Three-post horizontally turning type extra-high voltage series compensation parallel-connection isolation switch |
| CN104332349A (en) * | 2014-11-18 | 2015-02-04 | 湖南省电力勘测设计院 | Operating mechanism case of intelligent double earthing high voltage isolator |
| CN107731613A (en) * | 2017-10-11 | 2018-02-23 | 江苏省如高高压电器有限公司 | A kind of compact Layout type ultra-high-voltage isolation switch |
-
2009
- 2009-04-16 CN CN200920020978U patent/CN201387836Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807485A (en) * | 2010-04-28 | 2010-08-18 | 山东泰开隔离开关有限公司 | Tipping gear used for flip horizontal type isolating switch |
| CN101807485B (en) * | 2010-04-28 | 2012-09-05 | 山东泰开隔离开关有限公司 | Tipping gear used for flip horizontal type isolating switch |
| CN101866773A (en) * | 2010-05-24 | 2010-10-20 | 山东泰开隔离开关有限公司 | Three-post horizontally turning type extra-high voltage series compensation parallel-connection isolation switch |
| CN104332349A (en) * | 2014-11-18 | 2015-02-04 | 湖南省电力勘测设计院 | Operating mechanism case of intelligent double earthing high voltage isolator |
| CN104332349B (en) * | 2014-11-18 | 2016-04-27 | 中国能源建设集团湖南省电力设计院有限公司 | Intelligent pair of ground connection high voltage isolating switch operating mechanism case |
| CN107731613A (en) * | 2017-10-11 | 2018-02-23 | 江苏省如高高压电器有限公司 | A kind of compact Layout type ultra-high-voltage isolation 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: 20100120 Termination date: 20100416 |