CN201387837Y - Dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch - Google Patents
Dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch Download PDFInfo
- Publication number
- CN201387837Y CN201387837Y CN200920024514U CN200920024514U CN201387837Y CN 201387837 Y CN201387837 Y CN 201387837Y CN 200920024514 U CN200920024514 U CN 200920024514U CN 200920024514 U CN200920024514 U CN 200920024514U CN 201387837 Y CN201387837 Y CN 201387837Y
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- pedestal
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Abstract
The utility model discloses a dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch, relating to an outdoor isolating switch used in power system. The isolating switch consists of three monopoles, each of which comprises a steel bracket (1), a movable side base (2), a stationary side base (26), a strut insulator (3), a rotary insulator (4), a pedestal (5), a grounded switch blade (6) and a main switch blade (7).The main switch blade (7) is connected with an electric operating mechanism through the rotary insulator (4) and a vertical transmission connecting rod (8); and the grounded switch blade (6) is connected with a manual operating mechanism (11) through a grounded blade transmission connecting rod (10). The three monopoles are connected through a horizontal transmission rod (25) to operate synchronously; a main blade movable contact (14) is an exterior-mounted tong type feeler structure; the root part of the feeler (20) is hinged with a movable contact seat; and the middle part of the feeler is hinged with a support piece II (25) through a tightening spring (21) and a support piece I (22) at the outer side of the feeler. The grounded switch blade (6) is a structure which is provided with a counterbalancing heavy hammer and can finish the operations at one step; and the grounded movable contact is a self-operated structure. The isolating switch is smooth and reliable in movement, small in switching-in impact, high in through-flow stability and long in service life, and can resist corrosion.
Description
Technical field
The utility model relates to the isolating switch in a kind of electric power system, the telescopic outdoor three-phase high-voltage AC isolation switch of specifically a kind of twin columns level.
Background technology
Isolating switch is one of capital equipment in the high-tension power transmission and transformation equipment, and at present outdoor high-voltage isolating switch is because on the assembly structure, when running into disadvantageous natural weather, and the circulation poor stability; Dynamic and static contact impacts bigger when closing a floodgate, and action stability is poor, brings difficulty to the operator, and the defective of dynamic/static contact contact structures causes the combined floodgate poor reliability simultaneously, has had a strong impact on the useful life of isolating switch.
Summary of the invention
It is reliable that the purpose of this utility model provides a kind of stable action, and the impact of closing a floodgate is little, and through-flow stability is high, the outdoor high-voltage alternating current isolating switch of long service life.
The telescopic outdoor three-phase high-voltage AC isolation switch of a kind of twin columns level, comprise three one poles, operator powder operation device and ground cutter powder operation device, each one pole comprises steel bracket, moving wing base, quiet wing base, post insulator, rotating insulated son, pedestal, ground connection plug-in strip, main switch cutter, post insulator, rotating insulated son are arranged on moving wing base top, the ground connection fixed contact is arranged on the pedestal side, the main switch cutter is arranged on the pedestal of post insulator top, connects with electric operating mechanism by rotating insulated son and vertical kinematic link; The ground connection plug-in strip is installed in moving wing base, quiet wing base side, moving wing base, quiet wing base below is provided with ground cutter kinematic link, the ground connection plug-in strip connects with manual operation mechanism by ground cutter kinematic link, three one poles connect by horizontal drive link, carry out simultaneous operation, the main switch cutter is collapsible single armed structure, comprise contact tube, following contact tube, the operator moving contact, following contact tube is by the pedestal axis, connecting rod connects with rotating insulated sub-axis, following contact tube inside is provided with ratch, balancing spring, and gear box, ratch one end is hinged on the pedestal, the other end is meshed with gear in the gear box, last contact tube connecting lever connects with following contact tube by the gear shaft in the gear box, the operator moving contact is outer assembling clamp type fingertip structure, and fingertip is a rectangle, and fingertip root and movable contact headstock are hinged, its middle part by the outside to step up spring and supporter I and supporter II hinged, the interior pull bar of supporter II and last contact tube is fixedly connected.
The gear box top shell of contact tube end is two circular arcs under the described main switch cutter, the place of two arc transition be provided with the 8mm plane.
Contact tube is connected by the band that fixedly is flexible coupling with the pedestal terminal block under the described main switch cutter, and last contact tube is welding with operator moving contact pedestal, and conductive contact surfaces is taked contact tube in the silver-plated processing, contact tube all adopts anodized down.
Described pedestal avris, the folding back of last contact tube is provided with cushion pad with the contact site of pedestal, and cushion pad is fixed on the pedestal side by elastic steel sheet.
The motivation transfer motion part of described pedestal separates with current-carrying part, the accessory of the motivation transfer motion part of pedestal comprises support component, bent plate, pedestal axis, connecting rod, rotating insulated sub-axis connecting lever and rotary flange, these accessories all adopt high-intensity steel-casting, prevent to cause the parts fracture because of factors such as operation and wind-force.
Described fingertip is that high resiliency copper alloy material is made.
Two flat drive links of operator water are set between three single-stages, and horizontal drive link is fixed by U-bolt and four joints.
The band that fixedly is flexible coupling that described main switch cutter connects with pedestal adopts the fine aluminium material.
Described moving wing base and quiet wing base all adopt four with the screw rod support, highly can regulate.
The fixed contact of main switch cutter is assemblied by stationary contact bar, supporting bracket and terminal block.
The moving contact of ground connection plug-in strip adopts the outer U type spring aluminium flake of opening shape, and the ground connection plug-in strip other end is equipped with weight, and the fixed contact of ground connection plug-in strip is a clavate.
The operating process of main switch cutter: the motor operating mechanism drives rotating insulated son by vertical links, moving wing base rotating shaft and rotates 90 °, rotating insulated son links to each other with the rotary flange of pedestal, change the direction of power by four push and pull system that are made of connecting lever, connecting rod, the following contact tube that drives the main switch cutter rotates in vertical plane.Last contact tube and bending cast aluminium turn wall and are fixedly connected, and the ratch in the following contact tube and the gear positive engagement of gear box, gear drive by rotating shaft and go up the contact tube connecting lever, go up contact tube and do compound motion with the rotation of following contact tube thereby drive.When the approaching combined floodgate of isolating switch, the roller and the pushing drawing rod of contact pull bar lower end, inclined-plane, contact tube gear box top are moved upward, back-moving spring is compressed, the supporter II of fingertip moves upward, make operator moving contact fingertip clamp fixed contact stationary contact bar, then fastening spring is compressed, and keeps fingertip to clamp the suitable force value of fixed contact stationary contact bar, and the motion of closing a floodgate finishes.The sub-switching operation process makes that up and down contact tube is folding in contrast, is positioned over base side, and forms apparent horizontal fracture between fixed contact.The two driven utmost points link to each other with the transmission crank arm that initiatively extremely goes up by transmission crank arm, horizontal drive link, thereby make the tri-level sync action.
The operating process of ground connection plug-in strip: people's force mechanisms drives the rotating shaft of ground connection plug-in strip by ground cutter kinematic link, moving wing base rotating shaft, four connecting rods and rotates 90 °, drive ground connection plug-in strip rotates about 90 ° in perpendicular after, the ground connection fixed contact is squeezed into outer shape U type fingertip gap of ground connection plug-in strip, make the fingertip generation strain of ground connection plug-in strip moving contact both sides, clamp the ground connection fixed contact.The sub-switching operation process in contrast, ground connection plug-in strip half-twist in perpendicular withdraws from the ground connection fixed contact, gets back to horizontal separating brake position, forms apparent vertical fracture with the ground connection fixed contact of top.Owing to the principle of lever two ends equalising torque, operating physical force is very little behind the ground connection plug-in strip counter weight, stable action, and it is reliable to close a floodgate.The two driven utmost points link to each other with the transmission crank arm that initiatively extremely goes up by transmission crank arm, horizontal kinematic link, thereby make the tri-level sync action.
Owing to the utility model operator moving contact special construction, improved the through-current capability of fingertip, reduced contact resistance, and spring compression is adopted in the outside, and it is reliable fully to have guaranteed to close a floodgate, and outer assembly structure is more convenient for assembling, compare original built-in fingertip structure, the waterproof and dustproof better effects if; The improvement of gear box has solved the combined floodgate instability problem that difference variation causes; Moving wing base adopts four screw rod supports, makes the combined floodgate of main switch cutter impact the concussion decay that changes screw rod into, has effectively reduced to close a floodgate and has impacted; Contact tube changed the welded type contact tube into by former assembled, guaranteed the through-flow stability of contact tube, the separation of pedestal galvanic circle, support component and transmission accessory has strengthened the intensity of switch support section, and the choose reasonable of accessory material has further prolonged the useful life of switch.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 be among Fig. 1 C-C to schematic diagram;
Fig. 3 is a following contact tube structural representation among Fig. 1;
Fig. 4 is an operator moving contact structure schematic diagram among Fig. 1;
Fig. 5 is a base construction schematic diagram among Fig. 1.
Embodiment
Fig. 1 is a kind of embodiment of the present utility model, as shown in the figure:
The telescopic outdoor three-phase high-voltage AC isolation switch of a kind of twin columns level, comprise three one poles, operator powder operation device and ground cutter powder operation device, each one pole comprises steel bracket 1, moving wing base 2, quiet wing base 26, post insulator 3, rotating insulated sub 4, pedestal 5, ground connection plug-in strip 6, main switch cutter 7, post insulator 3, rotating insulated sub 4 is arranged on moving wing base 2 tops, ground connection fixed contact 9 is arranged on pedestal 5 sides, main switch cutter 7 is arranged on the pedestal 5 of post insulator 3 tops, by rotating insulated sub 4 and vertical kinematic link 8 connect with electric operating mechanism; Ground connection plug-in strip 6 is installed in moving wing base 2 sides, moving wing base 2 belows are provided with ground cutter kinematic link 10, ground connection plug-in strip 6 connects with manual operation mechanism 11 by ground cutter kinematic link 10, quiet wing base 26 sides are provided with ground connection plug-in strip 6 equally, three one poles connect by horizontal drive link 25, carry out simultaneous operation, main switch cutter 7 is collapsible single armed structure, comprise contact tube 12, following contact tube 13, operator moving contact 14, following contact tube 13 is by pedestal axis 15, connecting rod 16 connects with rotating insulated sub-axis, following contact tube 13 inside are provided with ratch 17, balancing spring 18, the end is provided with gear box 19, ratch 17 1 ends are hinged on the pedestal 5, the other end is meshed with gear in the gear box 19, the connecting lever of last contact tube 12 connects with following contact tube 13 by the gear shaft in the gear box 19, operator moving contact 14 is outer assembling clamp type fingertip structure, fingertip 20 is a rectangle, fingertip 20 roots and movable contact headstock are hinged, its middle part by the outside to step up spring 21 and supporter I 22 hinged with supporter II 25, pull bar in supporter II 25 and the last contact tube 12 is fixedly connected, when the pulley of pull bar bottom the time by gear box jack-up, supporter II 25 is by jack-up, and the supporter I 22 hinged with it compresses the fingertip closure.
Described pedestal 5 avris, last contact tube 12 folding backs are provided with cushion pad 24 with the contact site of pedestal 5, and cushion pad 24 is fixed on pedestal 5 sides by elastic steel sheet.
The accessory of the motivation transfer motion part of described pedestal 5 comprises support component 27, bent plate 28, pedestal axis 15, connecting rod 16, rotating insulated sub-axis connecting lever 29 and rotary flange, these accessories all adopt high-intensity steel-casting, when guaranteeing running part intensity, reduced the shunting of this part foundry goods, conductive parts then adopts independent loop fixedly connected, has guaranteed the negotiability of current-carrying part.
Described fingertip 20 is made for high resiliency copper alloy material.
Two flat drive links 25 of operator water are set between three single-stages, horizontal drive link 25 is fixed by U-bolt and four joints, can regulate the length of connecting rod by the screwed hole of joint, the joint of two limit levels is held kinematic link tightly by U bolt, not only be convenient to install, adjust, dismantle and safeguard, and connect reliably, avoided the rod deformation of transmission process.
Described main switch cutter 7 is with 23 to adopt the fine aluminium material with fixedly being flexible coupling of pedestal 5.
Described moving wing base 2 and quiet wing base 26 adopt four with the screw rod support, highly can regulate the impulse force that while available buffer breaking-closing operating brings.
The fixed contact of main switch cutter 7 is assemblied by stationary contact bar, supporting bracket and terminal block.
The ground cutter moving contact of ground connection plug-in strip 6 adopts the outer U type spring aluminium flake of opening, and the ground connection plug-in strip other end is equipped with weight, and the fixed contact of ground connection plug-in strip is a clavate, makes operating physical force little, and steadily reliable.
Claims (9)
1, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level, comprise three one poles, each one pole comprises steel bracket (1), moving wing base (2), quiet wing base (26), post insulator (3), rotating insulated son (4), pedestal (5), ground connection plug-in strip (6), main switch cutter (7), post insulator (3), rotating insulated son (4) is arranged on moving wing base (2) top, ground connection fixed contact (9) is arranged on pedestal (5) side, main switch cutter (7) is arranged on the pedestal (8) of post insulator (3) top, connects with electric operating mechanism by rotating insulated son (4) and vertical kinematic link (8); Ground connection plug-in strip (6) is installed in moving wing base (2) side, moving wing base (2) below is provided with ground cutter kinematic link (10), ground connection plug-in strip (6) connects with manual operation mechanism (11) by ground cutter kinematic link (10), three one poles connect by horizontal drive link (25), quiet wing base (26) is provided with ground connection plug-in strip (6) equally, it is characterized in that: main switch cutter (7) is collapsible single armed structure, comprise contact tube (12), following contact tube (13), operator moving contact (14), following contact tube (13) is hinged with pedestal electric axis (15), connect with rotating insulated son (4) axis by connecting rod (16), following contact tube (13) inside is provided with ratch (17), the end is provided with gear box (19), ratch (17) one ends are hinged on the pedestal (5), the other end is meshed with gear in the gear box (19), last contact tube (12) connecting lever connects with following contact tube (13) by the gear shaft in the gear box (19), operator moving contact (14) is outer assembling clamp type fingertip structure, fingertip (20) is a rectangle, fingertip (20) root and movable contact headstock are hinged, its middle part by the outside to step up spring (21) and supporter I (22) hinged with supporter II (25), supporter II (25) is fixedly connected with pull bar in the last contact tube (12).
2, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 1, it is characterized in that: gear box (19) the top shell of contact tube (13) end is two circular arcs under the described main switch cutter, the place of two arc transition be provided with 8mm plane (30).
3, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 1, it is characterized in that: the contact tube of contact tube (13) connects by the band (23) that fixedly is flexible coupling with the pedestal terminal block under the described main switch cutter, last contact tube (12) is welding with the movable contact headstock of operator moving contact (14), conductive contact surfaces is taked silver-plated processing, and last contact tube (12), following contact tube (13) all adopt anodized.
4, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 1, it is characterized in that: pedestal (5) avris is provided with cushion pad (24), and cushion pad (24) is fixed on pedestal (5) side by elastic steel sheet.
5, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 1, it is characterized in that: the accessory of the motivation transfer motion part of pedestal (5) comprises support component (27), bent plate (28), pedestal axis (15), connecting rod (16), rotating insulated sub-axis connecting lever (29) and rotary flange, and these accessories all adopt high-intensity steel-casting.
6, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 1, it is characterized in that: the fingertip (20) of described operator moving contact (14) is made for high resiliency copper alloy material.
7, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 1 is characterized in that: two operator flat drive links of water (25) are set between three single-stages, and horizontal drive link (25) is fixed by U-bolt and four joints.
8, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 2 is characterized in that: the band (23) that fixedly is flexible coupling that contact tube (13) connects with pedestal (5) under the described main switch cutter adopts the fine aluminium material.
9, the telescopic outdoor three-phase high-voltage AC isolation switch of twin columns level according to claim 1 is characterized in that: described moving wing base (2), quiet wing base (26) adopt four with the support of scalable screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024514U CN201387837Y (en) | 2009-04-28 | 2009-04-28 | Dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024514U CN201387837Y (en) | 2009-04-28 | 2009-04-28 | Dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201387837Y true CN201387837Y (en) | 2010-01-20 |
Family
ID=41580378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920024514U Expired - Fee Related CN201387837Y (en) | 2009-04-28 | 2009-04-28 | Dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201387837Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646539A (en) * | 2012-03-23 | 2012-08-22 | 平高集团有限公司 | Bypass isolating switch for 1100-kV super-high-voltage serial compensation |
| CN103337404A (en) * | 2013-07-24 | 2013-10-02 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN104979125A (en) * | 2014-12-04 | 2015-10-14 | 国家电网公司 | Switch disconnector with metal rubber and power equipment manufactured from same |
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN108054047A (en) * | 2018-01-12 | 2018-05-18 | 国家电网公司 | A kind of Intelligent isolation switch |
| CN109786168A (en) * | 2017-11-14 | 2019-05-21 | 株式会社东光高岳 | Disconnecting switch |
| CN109872916A (en) * | 2019-04-16 | 2019-06-11 | 中国电力工程顾问集团西南电力设计院有限公司 | Horizontal retractable double-fracture ice-melt disconnecting switch |
| WO2020181898A1 (en) * | 2019-03-14 | 2020-09-17 | 河南平高电气股份有限公司 | Isolation switch and conductive base thereof |
| CN117936316A (en) * | 2024-02-29 | 2024-04-26 | 昆山盛英电气有限公司 | Smart power grid mechanical interlocking switching-on high-voltage cabinet based on five-prevention standard and switching-on method thereof |
-
2009
- 2009-04-28 CN CN200920024514U patent/CN201387837Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646539A (en) * | 2012-03-23 | 2012-08-22 | 平高集团有限公司 | Bypass isolating switch for 1100-kV super-high-voltage serial compensation |
| CN103337404A (en) * | 2013-07-24 | 2013-10-02 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN103337404B (en) * | 2013-07-24 | 2015-04-01 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN104979125A (en) * | 2014-12-04 | 2015-10-14 | 国家电网公司 | Switch disconnector with metal rubber and power equipment manufactured from same |
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN109786168A (en) * | 2017-11-14 | 2019-05-21 | 株式会社东光高岳 | Disconnecting switch |
| CN109786168B (en) * | 2017-11-14 | 2023-02-17 | 株式会社东光高岳 | Isolating switch |
| CN108054047A (en) * | 2018-01-12 | 2018-05-18 | 国家电网公司 | A kind of Intelligent isolation switch |
| WO2020181898A1 (en) * | 2019-03-14 | 2020-09-17 | 河南平高电气股份有限公司 | Isolation switch and conductive base thereof |
| CN109872916A (en) * | 2019-04-16 | 2019-06-11 | 中国电力工程顾问集团西南电力设计院有限公司 | Horizontal retractable double-fracture ice-melt disconnecting switch |
| CN117936316A (en) * | 2024-02-29 | 2024-04-26 | 昆山盛英电气有限公司 | Smart power grid mechanical interlocking switching-on high-voltage cabinet based on five-prevention standard and switching-on method thereof |
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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: 20110428 |