CN201402771Y - Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector - Google Patents
Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector Download PDFInfo
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- CN201402771Y CN201402771Y CN2009200206738U CN200920020673U CN201402771Y CN 201402771 Y CN201402771 Y CN 201402771Y CN 2009200206738 U CN2009200206738 U CN 2009200206738U CN 200920020673 U CN200920020673 U CN 200920020673U CN 201402771 Y CN201402771 Y CN 201402771Y
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Abstract
The utility model relates to a disconnector, in particular to a GW4-252III double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector used in a power supply system. The disconnector mainly comprises three monopoles, a main switch-operating unit, a grounding switch, grounding static contacts and the like, the grounding static contacts are arranged on the upper ends of post insulators, the grounding switch is arranged on one side of a base, a grounding switch-driving unit and a main switch-driving unit are arranged on the lower side of the base, the grounding switch-driving unit is connected with a manual grounding switch-operating mechanism, the main switch-driving unit is connected with an electric main switch-operating mechanism, the grounding switch is of a two-step action type driving structure, the contact fingers of the grounding static contacts are spiral spring contact fingers, and flexible conductive bands are connected between conductive tubes and the base. The utility model is characterized by stable and reliable action, low closing impact, strong surge absorption capability, good anti-corrosion property, easy operation, long service life and the like.
Description
Technical field
The utility model relates to the isolating switch in a kind of electric power system, the outdoor three-phase high-voltage AC isolation switch of the GW4-252III type double-column horizontal rotation type that uses in specifically a kind of power supply system.
Background technology
In the last few years, along with China's rapid development of economy, infrastructure construction was advanced by leaps and bounds especially, and the operational reliability of the various high-voltage electrical equipments of electric power system is had higher requirement; And isolating switch is in the various device of electric power system, and its operational environment is worst, is exposed to fully in the atmospheric environment, is bearing the erosion of acid rain, salt fog, dust storm.Exist deficiency in the design at the grounded part of the outdoor three-phase high-voltage AC isolation switch of GW4-252III type double-column horizontal rotation type, usually the ground connection plug-in strip is the ground connection plug-in strip of single step structure, it is big that this structure causes dynamic/static contact to impact when closing a floodgate, action stability is relatively poor, brings difficulty to operation; Anticorrosive property is relatively poor, and useful life is short.For this reason, relevant department has proposed isolating switch is carried out the requirement that improvement is transformed, and makes it have good antiseptic power and conduction reliability, and the impact of closing a floodgate is little, and action is stable, processing ease, long service life.
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, and it is reliable that it has stable action, closing a floodgate, it is little to impact, and through-current capability is strong, and Corrosion Protection is good, processing ease, the characteristics of 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 GW4-252III type double-column horizontal rotation type, comprise three one poles, operator powder operation device and base, each one pole comprises the post insulator of two pillars, post insulator is arranged on the base top, the ground connection fixed contact is arranged on the post insulator top, the ground connection plug-in strip is arranged on a side of base, ground cutter transmission device is connected with base with the operator transmission device, ground cutter transmission device is connected with ground cutter man-operating mechanism, operator transmission device top is connected with the operator powder operation device by propping up insulator, and its underpart is connected with the operator motor drive mechanism.Described ground connection plug-in strip is the two-step action type structure, it comprise ground cutter moving contact, contact tube, swivel axle, connecting lever, clamp, connecting lever is made up of active connecting lever and passive connecting lever, ground cutter 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 connected with ground swivel axle, and ground swivel axle is installed on the base by grip block, and ground swivel axle is connected with ground cutter man-operating mechanism by ground cutter transmission device again; The fingertip of described ground connection fixed contact is the helical spring fingertip, also is provided with soft conductive strips between contact tube and the base and is connected.
Described soft conductive strips are the zinc-plated soft conductive strips of copper.
The contact tube of described ground connection plug-in strip is the square aluminum compo pipe.
The utility model ground connection plug-in strip is set to the two-step action type structure, promptly rotate by the connecting lever that ground cutter transmission device drives on the base by ground cutter man-operating mechanism, connecting lever drives contact tube and rotates up 90 ° of ground connection plug-in strip Cheng Jianzhi shapes that make the 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 upward, and with in the ground cutter moving contact insertion ground connection fixed contact, contact with ground connection fixed contact fingertip, realize closing a floodgate.Otherwise reverse operating just can be realized separating brake.The ground connection plug-in strip is the two-step structure, and action is stable, and the impact of closing a floodgate is little, processing ease, 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, 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.
Description of drawings
Fig. 1 is structural representation of the present utility model (an operator "on" position)
Fig. 2 is vertical view of the present utility model (an operator gate-dividing state)
Fig. 3 is the A-A view of Fig. 1
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 outdoor three-phase high-voltage AC isolation switch of GW4-252III type double-column horizontal rotation type of the present utility model, mainly comprise three one poles, operator powder operation device, ground connection fixed contact 3, ground connection plug-in strip 4, base 1 and support 32 etc., base 1 is installed on the support 32.Each one pole comprises that post insulator 2, two post insulators 2 of two pillars are arranged on base 1 top, and ground connection fixed contact 3 is arranged on the top of post insulator 2, sees Fig. 1, and the fingertip of ground connection fixed contact 3 is the helical spring fingertip.The operator powder operation device mainly comprises left fingertip 33 and right contact 34, left side fingertip 33 and right contact 34 are connected the top of two post insulators 2 respectively by junction block 31, junction block 31 is positioned at the top of ground connection fixed contact 3, junction block 31 of the present utility model is an open type junction block 31, perfect heat-dissipating.Ground connection plug-in strip 4 is arranged on a side of base 1, ground connection plug-in strip 4 of the present utility model can one-sidedly be coupled on the base 1, but also bilateral is coupled to base 1, and ground connection plug-in strip 4 connects for bilateral in the present embodiment, be the both sides that ground connection plug-in strip 4 is separately positioned on base 1, see Fig. 2, Fig. 3.
Ground cutter transmission device 5 is connected with base 1 with operator transmission device 6, ground cutter transmission device 5 mainly is made up of ground cutter vertical links, waling stripe etc., waling stripe is arranged on the base 1, waling stripe is connected with the ground cutter vertical links that is arranged on base 1 below, and ground cutter vertical links is connected with ground cutter man-operating mechanism 7.Operator transmission device 6 tops are connected with right contact 34 with left fingertip 33 respectively by post insulator 2, and operator transmission device 6 bottoms are connected with operator motor drive mechanism 8.
Described ground connection plug-in strip 4 is the two-step action type structure, it comprise ground cutter moving contact 11, contact tube 12, swivel axle 13, connecting lever, clamp 14, connecting lever is made up of active connecting lever 15 and passive connecting lever 16, sees Fig. 4.Ground cutter moving contact 11 is a clavate, is arranged on the end of contact tube 12, and contact tube 12 adopts aluminum alloy square tube to make, and weight is little, the intensity height, and area of dissipation is big, and anodized is adopted on the surface, and antiseptic property is good.The other end of contact tube 12 14 is connected with connecting lever by clamping, active connecting lever 15 in the connecting lever is connected with ground swivel axle 13, ground swivel axle 13 is installed on the base 1 by grip block, and ground swivel axle 13 is connected, also can rotates under the drive of waling stripe with waling stripe in the ground cutter transmission device 5.Also be connected by soft conductive strips 17 between contact tube 12 and the base 1, these soft conductive strips 17 are the zinc-plated soft conductive strips 17 of copper.Described ground cutter moving contact 11 is provided with silver coating with ground connection fixed contact 3 contacted zones, and the silver coating Corrosion Protection is good, can guarantee when the ground cutter closes a floodgate little to the impact of isolating switch; The fingertip of ground connection fixed contact 3 adopts the helical spring fingertip, can strengthen the contact area with ground cutter moving contact 11, and through-current capability is strong.
Operator motor drive mechanism 8 drives two post insulators 2 by operator transmission device 6 and rotates, post insulator 2 drives left fingertip 33 and right contact 34 rotates simultaneously, when left fingertip 33 and right contact 34 contact is the operator "on" position of isolating switch, and this moment, the ground cutter can not close a floodgate; When disconnecting, left fingertip 33 and right contact 34 be the operator gate-dividing state when not contacting.When operator is in gate-dividing state and needs earthed switch, drive the waling stripe motion by ground cutter man-operating mechanism 7 by ground cutter vertical links, swivel axle 13 rotations of waling stripe pulling ground, ground swivel axle 13 drives active connecting lever 15 and passive connecting lever 16 again and rotates together, connecting lever just can drive contact tube 12 earlier and rotate up 90 ° like this, make 12 one-tenth hard straight shapes of contact tube of previous level shape, ground connection moving contact on the contact tube 12 just is positioned at the below of ground connection fixed contact 3, this moment, ground cutter vertical links continued to drive waling stripe and 13 motions of ground swivel axle, active this moment connecting lever 15 just can drive passive connecting lever 16 and move upward, make its promotion clamp 14 control contact tubes 12 move upward, ground cutter moving contact 11 is inserted in the ground connection fixed contact 3, contact with the fingertip of ground connection fixed contact 3, realize the combined floodgate of ground cutter.Otherwise, ground connection plug-in strip 4 reverse operatings, the separating brake position that just can realize the ground cutter.The action of ground connection plug-in strip 4 of the present utility model is the two-step that first half-twist moves upward again, and the isolating switch action of this structure is stable, and the impact of closing a floodgate is little, long service life.
It is reliable to the utlity model has stable action, and the impact of closing a floodgate is little, and through-current capability is strong, anticorrosive property Can be good, processing ease, the characteristics such as long service life.
Claims (3)
1, the outdoor three-phase high-voltage AC isolation switch of a kind of double-column horizontal rotation type, comprise three one poles, operator powder operation device and base (1), each one pole comprises the post insulator (2) of two pillars, post insulator (2) is arranged on base (1) top, ground connection fixed contact (3) is arranged on post insulator (2) top, ground connection plug-in strip (4) is arranged on a side of base (1), ground cutter transmission device (5) is connected with base (1) with operator transmission device (6), ground cutter transmission device (5) is connected with ground cutter man-operating mechanism (7), operator transmission device (6) top is connected with the operator powder operation device by propping up insulator, its underpart is connected with operator motor drive mechanism (8), it is characterized in that: described ground connection plug-in strip (4) is the two-step action type structure, it comprises ground cutter moving contact (11), contact tube (12), ground swivel axle (13), connecting lever, clamp (14), connecting lever is made up of active connecting lever (15) and passive connecting lever (16), ground cutter moving contact (11) is arranged on the end of contact tube (12), the other end of contact tube (12) is connected with connecting lever by clamp (14), connecting lever is connected with ground swivel axle (13), ground swivel axle (13) is installed on the base (1) by grip block, and ground swivel axle (13) is connected with ground cutter man-operating mechanism (7) by ground cutter transmission device (5) again; The fingertip of described ground connection fixed contact (3) is the helical spring fingertip, also is provided with soft conductive strips (17) between contact tube (12) and the base (1) and is connected.
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 soft conductive strips (17) are the zinc-plated soft conductive strips of copper (17).
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: the contact tube (12) of described ground connection plug-in strip (4) is the square aluminum compo pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200206738U CN201402771Y (en) | 2009-04-08 | 2009-04-08 | Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200206738U CN201402771Y (en) | 2009-04-08 | 2009-04-08 | Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201402771Y true CN201402771Y (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200206738U Expired - Fee Related CN201402771Y (en) | 2009-04-08 | 2009-04-08 | Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector |
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|---|---|
| CN (1) | CN201402771Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819901A (en) * | 2010-04-28 | 2010-09-01 | 山东泰开隔离开关有限公司 | Driving device for two-step action type ground switch |
| CN102034639A (en) * | 2011-01-20 | 2011-04-27 | 川铁电气（天津）集团有限公司 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
| CN112003182A (en) * | 2020-08-27 | 2020-11-27 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding system applied to high-voltage cable |
-
2009
- 2009-04-08 CN CN2009200206738U patent/CN201402771Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819901A (en) * | 2010-04-28 | 2010-09-01 | 山东泰开隔离开关有限公司 | Driving device for two-step action type ground switch |
| CN101819901B (en) * | 2010-04-28 | 2012-11-07 | 山东泰开隔离开关有限公司 | Driving device for two-step action type ground switch |
| CN102034639A (en) * | 2011-01-20 | 2011-04-27 | 川铁电气（天津）集团有限公司 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
| CN112003182A (en) * | 2020-08-27 | 2020-11-27 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding system applied to high-voltage cable |
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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: 20100210 Termination date: 20110408 |