CN204966366U - Novel GW4 isolator - Google Patents
Novel GW4 isolator Download PDFInfo
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- CN204966366U CN204966366U CN201520690224.XU CN201520690224U CN204966366U CN 204966366 U CN204966366 U CN 204966366U CN 201520690224 U CN201520690224 U CN 201520690224U CN 204966366 U CN204966366 U CN 204966366U
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Abstract
The utility model discloses a novel GW4 isolator, relate to the power equipment field, three the same siamesed monopole by setting up on same base is constituteed, every monopole is by the operating mechanism, drive mechanism, switch mechanism and electrically conductive mechanism group become, problem to original technique existence, to generating heat of galvanic circle, drive part's jamming, the rust -resistant of bearing frame loses, isolator's aspect such as surperficial anticorrosive is improved, the corresponding corrosion treatment that prevents has been carried out to exposing at outer part, it breaks down to avoid the switch influenced by external condition, conducting rod and connection terminal, binding post and play terminal are the integrated into one piece structure, and mechanical strength is high, has reduced the loss in return circuit, and the loop resistance diminishes, and whole switch job stabilization is reliable, having carried out the abrasionproof to contact and the contacting area that touches the finger and having decreased and handle, the contact indicates that the divide -shut brake position is accurate with touching, and depth of inter fit is darker, and the divide -shut brake is reliable, and stability obtains the large increase.
Description
Technical field
The utility model relates to electric power system application apparatus, specifically a kind of novel GW4 isolating switch.
Background technology
Isolating switch (English name disconnector, be commonly called as " disconnecting link "), generally refer to high voltage isolator, be mainly used in outdoor AC 10-40.5kv, in 50HZ electric power system, carry out the charged high-tension line of load changing-over and isolate charged high-tension line with by the electrical isolation of the electric equipments such as the high voltage bus that overhauls or circuit breaker.The main feature of isolating switch is without arc extinguishing ability, can only divide, closing circuit when not having load current.The field such as the extensive suitable power of product, railway, mine, oil field.The principles and structure of itself is fairly simple, but due to use amount large, functional reliability requires high, all larger on the impact of the design of electric substation, power plant, foundation and safe operation.
At present, the GW4 type high voltage isolator structure used in market has the following disadvantages:
1, outdoor switch critical piece is exposed, affects by external condition, very easily occurs corrosion, and when causing operation, transmission resistance increases, and even occurs misaction;
2, the connection of dynamic and static contact and corresponding wiring terminal is that non-Unitary is shaping, disconnecting link, contact are electrically connected with terminal and form loop, due to the impact of compactness connected between parts, increase the risk of return loss, cause the loop resistance of whole high voltage isolator larger; Meanwhile, the steady quality of contact part and these two part neither one entirety of wire connecting portion;
3, there is dynamic/static contact mechanical wear after multi-pass operation, deciliter location dislocation and insertion depth inadequate.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of novel GW4 isolating switch, carries out perfect, enhance construction of switch stability to the position that 1. isolating switch goes wrong, improve the reliability of conduction, simplify the workload of site installation test.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of novel GW4 isolating switch, be made up of the one pole of three the identical disjunctors be arranged on same base, each one pole is by operating mechanism, transmission mechanism, switch mechanism and conductive mechanism composition, described conductive mechanism includes and is vertically set on left post insulator on base and right post insulator, described left post insulator and right post insulator top are separately installed with left conduction, right conduction, left binding post and right binding post, described left conduction and left binding post, all be connected through-flow between right conduction with right binding post by being flexible coupling, described left conduction and right conduction are made up of integrated conducting rod and junction block, described binding post and binding post are made up of integrated terminal block and outlet column, the described every layer of surface that be flexible coupling arranges tin coating, conducting rod and junction block integrative-structure, good mechanical performance, can bear the larger stress of all directions, conduct electricity very well, binding post and outlet column integrative-structure, add mechanical strength and additionally reduce possible heat generating spot.
During combined floodgate, the contact of described switch mechanism is embedded between two row's fingertips, described fingertip adopts external-compression type spring touch finger, fingertip surface area is large, there is good heat-sinking capability, eliminate the impact of kelvin effect, there is good automatically cleaning and wear resistance, and make contact insert the degree of depth of fingertip more deeply, substantially increase the reliability of conduction.
The region that described contact and fingertip have electric current to flow through is provided with hard silvering, adds coating adhesion and ensures that long-term work does not come off.
The earthing of described switch mechanism is made up of earthing pipe and ground cutter fingertip, described earthing pipe adopts High-strength aluminum alloy square tube, described ground cutter fingertip adopts self-operated type structure and is provided with tin coating, by its own resilient clamping ground contact, improves the reliability of contact.
Described base adopts hot galvanizing steel part and composite shaft sleeve assembling, plays the effect of anti-corrosion.
The two ends of described binding post adopt insulating sleeve, and anticorrosion ability is good.
All post insulator peripheries are provided with the cluster parachute of the different umbrella leaf composition of diameter, and the diameter of cluster parachute alternately occurs along one end of post insulator to other end size, and the porcelain vase sintering place of all post insulators reveals sand and makes water-proofing treatment.
The utility model is for original technology Problems existing, the heating of galvanic circle, the aspect such as clamping stagnation, the anti-corrosion of bearing pedestal, the surface anticorrosion of isolating switch of running part are improved, corresponding anti-corrosion treatment is carried out for exposed parts, has avoided switch to affect by external condition and break down; Conducting rod and junction block, binding post and outlet column are integrated formed structure, and mechanical strength is high, and reduce the loss in loop, loop resistance diminishes, and whole switch is reliable and stable; Contact site for contact and fingertip has carried out anti-wear process, and accurately, insertion depth is comparatively dark, and divide-shut brake is reliable, and stability is greatly improved for contact and fingertip divide-shut brake position.
Accompanying drawing explanation
Fig. 1 is the utility model current-carrying part structural representation;
Contact and fingertip connection diagram when Fig. 2 is for closing a floodgate;
Fig. 3 the utility model three-phase assembling plan view;
Fig. 4 is the utility model overall structure schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
As Figure 1-4, this novel GW4 isolating switch, be made up of the one pole of three the identical disjunctors be arranged on same base 13, each one pole is by operating mechanism, transmission mechanism, switch mechanism and conductive mechanism composition, described conductive mechanism includes and is vertically set on left post insulator 1 on base 13 and right post insulator 2, described left post insulator 1 and right post insulator 2 top are separately installed with left conduction 3, right conduction 4, left binding post 5 and right binding post 6, described left conduction 3 and left binding post 5, between right conduction 4 with right binding post 6 all by be flexible coupling 7 be connected through-flow, described left conduction 3 and right conduction 4 are made up of integrated conducting rod and junction block, described binding post 5 and binding post 6 are made up of integrated terminal block and outlet column, the described 7 every layer of surface that are flexible coupling arrange tin coating.
As preferred mode, during combined floodgate, the contact 9 of described switch mechanism is embedded between two row's fingertips 10, and described fingertip 10 adopts external-compression type spring touch finger.
As preferred mode, the region that described contact 9 and fingertip 10 have electric current to flow through is provided with hard silvering.
As preferred mode, the earthing of described switch mechanism is made up of earthing pipe 11 and ground cutter fingertip 12, described cutter pipe 11 adopts High-strength aluminum alloy square tube, and described ground cutter fingertip 12 adopts self-operated type structure and is provided with tin coating, by its own resilient clamping ground contact 8.
As preferred mode, described base 13 adopts hot galvanizing steel part and composite shaft sleeve assembling.
As preferred mode, the two ends of described binding post 6 adopt insulating sleeve.
As preferred mode, all post insulator peripheries are provided with the cluster parachute of the different umbrella leaf composition of diameter, and the diameter of cluster parachute alternately occurs along one end of post insulator to other end size, the porcelain vase sintering place of all post insulators reveals sand and makes water-proofing treatment.
In the present embodiment, isolating switch overall structure by left support abutment insulator 1, right post insulator 2, left conduction 3, right conduction 4, left binding post 5, right binding post 6, be flexible coupling 7, grounding contact 8, contact 9, fingertip 10, earthing pipe 11, cutter fingertip 12, base 13, flange shaft 14 and flange shaft 15, plane three-link mechanism 16, cutter waling stripe 17, operator waling stripe 18, connecting rod 19, operator vertical-transmission bar 20, cutter vertical-transmission bar 21, man-operating mechanism 22.
This novel GW4 isolating switch is applicable to horizontal arrangement, is made up of the one pole of three identical disjunctors, and base 13 can design as requested and adopt ground connection or earth-free form.Base 13 is all assembled by hot galvanizing steel component parts and composite shaft sleeve, and flange shaft 14 and flange shaft 15 adopt external import composite shaft sleeve and base 13 to assemble, and earthing support is also arranged on base 13.
The left post insulator 1 of each one pole and right post insulator 2 are arranged on both sides, base 13 upper end side by side, left post insulator 1, right post insulator 2 upper end are provided with left conduction 3 and right conduction 4, left conduction 3 and right conduction 4 by conducting rod and junction block one-body molded, the larger stress of all directions can be born, good mechanical performance, good conductivity.
7 through-flow by being fixedly flexible coupling between left conduction 3 and right conduction 4 and left binding post 5, right binding post 6, be flexible coupling 7 every layer of surface through zinc-plated process, left binding post 5 and right binding post 6 are formed in one by terminal block and outlet column, add intensity, decrease a possible heat generating spot.
Earthing comprises High-strength aluminum alloy square tube 11 and the ground cutter fingertip 12 through zinc-plated process, and fingertip adopts self-operated type structure, relies on its own resilient clamping ground contact 8, increases stainless steel spring outside fingertip, ensures that ground cutter fingertip clamping force improves contact reliability.
During combined floodgate, clockwise operation man-operating mechanism 22 drives the left post insulator 1 of isolating switch one pole to rotate by operator vertical-transmission bar 20, right post insulator 2 is driven to rotate by plane three-link mechanism 16 a set of on base 13, by the operator waling stripe 18 be initiatively connected, make three-phase synchronous action, realize contact 9 and fingertip 10 engages, complete combined floodgate.When isolating switch closes a floodgate, contact 9 is embedded in two row's fingertips 10, fingertip 10 adopts Novel external-compression spring touch finger, surface area is large, heat radiation is good, eliminate kelvin effect impact, have good automatically cleaning and wear resistance, it is darker that this structure makes contact 9 insert fingertip 10 degree of depth, greatly improve conduction reliability, the region that contact 9 and fingertip 10 have electric current to flow through all carries out plating hard silver process.
During separating brake, oppositely pull man-operating mechanism 22 handle, by operator vertical-transmission bar 20, switch spindle is reversed, each one pole is coupled together by plane three-link mechanism 16 and operator waling stripe 18, under the drive of active phase, realizes tri-level sync separating brake.
Three pole earthings are connected together by ground cutter horizontal conveyor bar 17, and during combined floodgate, operation man-operating mechanism 22 is by ground cutter vertical-transmission bar 21 drivening rod 19, and connecting rod 19 pulls ground cutter waling stripe 17 to rotate the closing operation realizing ground cutter.During separating brake, reverse operating man-operating mechanism 22 handle.The mechanical chain of earthing and isolating switch is that manually junction panel realizes in mechanism 22.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection range of the present utility model.
Claims (7)
1. a novel GW4 isolating switch, be made up of the one pole of three the identical disjunctors be arranged on same base (13), each one pole is by operating mechanism, transmission mechanism, switch mechanism and conductive mechanism composition, described conductive mechanism includes and is vertically set on left post insulator (1) on base (13) and right post insulator (2), described left post insulator (1) and right post insulator (2) top are separately installed with left conduction (3), right conduction (4), left binding post (5) and right binding post (6), described left conduction (3) and left binding post (5), all be connected through-flow by be flexible coupling (7) between right conduction (4) with right binding post (6), it is characterized in that, described left conduction (3) and right conduction (4) are made up of integrated conducting rod and junction block, described binding post (5) and binding post (6) are made up of integrated terminal block and outlet column, described (7) the every layer of surface that be flexible coupling arranges tin coating.
2. the novel GW4 isolating switch of one according to claim 1, is characterized in that, during combined floodgate, the contact (9) of described switch mechanism is embedded between two row's fingertips (10), and described fingertip (10) adopts external-compression type spring touch finger.
3. the novel GW4 isolating switch of one according to claim 2, is characterized in that, the region that described contact (9) and fingertip (10) have electric current to flow through is provided with hard silvering.
4. the novel GW4 isolating switch of one according to claim 1, it is characterized in that, the earthing of described switch mechanism is made up of earthing pipe (11) and ground cutter fingertip (12), described earthing pipe (11) adopts High-strength aluminum alloy square tube, described ground cutter fingertip (12) adopts self-operated type structure and is provided with tin coating, by its own resilient clamping ground ground cutter contact (8).
5. the novel GW4 isolating switch of one according to claim 1, is characterized in that, described base (13) adopts hot galvanizing steel part and composite shaft sleeve assembling.
6. the novel GW4 isolating switch of one according to claim 1, is characterized in that, the two ends of described binding post (6) adopt insulating sleeve.
7. the novel GW4 isolating switch of one according to claim 1, it is characterized in that, all post insulator peripheries are provided with the cluster parachute of the different umbrella leaf composition of diameter, and the diameter of cluster parachute alternately occurs along one end of post insulator to other end size, the porcelain vase sintering place of all post insulators reveals sand and makes water-proofing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690224.XU CN204966366U (en) | 2015-09-09 | 2015-09-09 | Novel GW4 isolator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690224.XU CN204966366U (en) | 2015-09-09 | 2015-09-09 | Novel GW4 isolator |
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| CN204966366U true CN204966366U (en) | 2016-01-13 |
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| CN201520690224.XU Active CN204966366U (en) | 2015-09-09 | 2015-09-09 | Novel GW4 isolator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957744A (en) * | 2016-06-06 | 2016-09-21 | 柳州市海格电气有限公司 | Manufacturing method of 110kV disconnecting switch |
| 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 |
| CN111933474A (en) * | 2020-07-14 | 2020-11-13 | 深圳市赛斯电气技术有限公司 | Isolating switch and switch cabinet |
-
2015
- 2015-09-09 CN CN201520690224.XU patent/CN204966366U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957744A (en) * | 2016-06-06 | 2016-09-21 | 柳州市海格电气有限公司 | Manufacturing method of 110kV disconnecting switch |
| 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 |
| CN111933474A (en) * | 2020-07-14 | 2020-11-13 | 深圳市赛斯电气技术有限公司 | Isolating switch and switch cabinet |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Rui Inventor after: Li Shancheng Inventor after: Ren Xiaodong Inventor after: Yang Lei Inventor after: Liu Zhi Inventor after: Guo Zhengqiang Inventor after: Wang Jianyuan Inventor after: Li Jian Inventor after: Qi Xiao Inventor before: Ren Xiaodong Inventor before: Qi Xiao Inventor before: Yan Haipeng Inventor before: Wang Jianyuan Inventor before: Liu Zhi |
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| COR | Change of bibliographic data |