CN204966369U - Outdoor high voltage isolator of GW1 - Google Patents

Outdoor high voltage isolator of GW1 Download PDF

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Publication number
CN204966369U
CN204966369U CN201520690268.2U CN201520690268U CN204966369U CN 204966369 U CN204966369 U CN 204966369U CN 201520690268 U CN201520690268 U CN 201520690268U CN 204966369 U CN204966369 U CN 204966369U
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China
Prior art keywords
contact
main shaft
moving contact
knife
outdoor
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Active
Application number
CN201520690268.2U
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Chinese (zh)
Inventor
任晓东
刘志
刘念永
郭正强
戚骁
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Shandong Taikai Intelligent Power Distribution Co Ltd
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Shandong Taikai Intelligent Power Distribution Co Ltd
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Abstract

The utility model discloses an outdoor high voltage isolator of GW1 relates to the power equipment field, and siamesed single -pole switch forms by three looks isostructure, and every single -pole switch includes base, post insulators, moving contact, static contact, touches sword, ground connection sword and operating mechanism, still including insulating pull rod, moving contact, static contact and the connection terminal that corresponds set up structure as an organic whole to fixed connection support on the connection terminal that corresponds, touch the pin joint of sword one end on static contact and support, insulating pull rod one end swing joint touches the turning arm of sword, other end connection main shaft, the main shaft is connected with connecting rod, operating mechanism in order, the ascending part of moving contact is trapezoidal for transversely, and the periphery is provided with arc guide structure, and touches that the sword extension line is perpendicular to be set up, and during the combined floodgate, operating mechanism interlock connecting rod, main shaft make insulating pull rod downstream, drive and touch sword rotatory centre gripping and the moving contact in close contact with who is in the support to the moving contact downwards.

Description

A kind of GW1 outdoor high-voltage isolating switch
Technical field
The utility model relates to field of electrical equipment, specifically a kind of GW1 outdoor high-voltage 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.
Existing high voltage isolator comprises: two are vertically fixed on the insulation column on mounting panel, insulation column there is the cluster parachute that diameter is identical, insulation column is fixed with dynamic and static contact respectively, two insulation columns are also provided with the binding post corresponding with dynamic and static contact, wherein, what be connected with moving contact is the first binding post, what be connected with fixed contact is the second binding post, two disconnecting links are connected side by side between two contacts, one end of two disconnecting links is articulated with fixed contact, and the other end can close with moving contact or be separated.
Existing high voltage isolator structure has the following disadvantages:
1, 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;
2, existing switch, contact knife spacing is narrow, is unfavorable for heat radiation, causes temperature rise too high, affect switch stable operation;
3, the cluster parachute existing isolation switch insulation column excircle having diameter identical, the adaptive capacity to environment of product and proof voltage grade are not very high.
4, existing switch, main shaft and base are structure as a whole, and usual way is that make production and processing difficulty, main shaft changes difficulty, and meanwhile, surface is difficult to carry out hot galvanizing process, and product antiseptic effect is poor by main shaft through welded limiting circle and limiting plate after base axis hole.
Utility model content
For solving the technical problem of above-mentioned existence, the utility model provides a kind of GW1 outdoor high-voltage isolating switch, Stability Analysis of Structures, contact knife closely engages with moving contact, ensure the electric conductivity of whole device and the excellent of quality, accommodative ability of environment is strong, and grade with voltage is high, and has higher automatically cleaning ability and anti-uv-ray.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of GW1 outdoor high-voltage isolating switch, be made up of the single-pole switch of three same structure disjunctors, each single-pole switch includes base, post insulator, moving contact, fixed contact, contact knife, earthing and operating mechanism, described base is fixedly installed side by side two post insulators, one of them post insulator is fixedly installed junction block and moving contact, another post insulator is fixedly installed junction block and fixed contact, described contact knife is set to two and one end is articulated with fixed contact arranged side by side, the other end is closed or be separated and realize divide-shut brake by operating mechanism interlock and moving contact, it is characterized in that, also comprise insulated tension pole, described moving contact, fixed contact is set to integrative-structure with corresponding junction block, and support is fixedly connected with on the junction block of correspondence, described contact knife one end is articulated on fixed contact and support, described insulated tension pole one end is flexibly connected contact knife, the other end connects the connecting lever of main shaft, described main shaft and connecting rod, operating mechanism connects in turn, described moving contact part is upwards horizontal trapezoid, periphery is provided with arcuate guide structure, vertically with contact knife extended line to arrange, during combined floodgate, operating mechanism interlock connecting rod, main shaft makes insulated tension pole move downward, be rotated down to moving contact with movable touch knife and be in the clamping of support and moving contact close contact.
Described base is fixedly installed main shaft support frame, described main shaft is arranged at also can be spacing in main shaft support frame.
Described post insulator periphery is provided with the cluster parachute of the different umbrella leaf composition of diameter, and the diameter of described umbrella leaf alternately occurs.
Described contact knife and fixed contact are by screw rod pivot joint, and there is spring at the two ends of described screw rod, the arranged outside of contact knife, and fastening by nut.
The silver-plated process of the overall graphite of junction block of described moving contact, fixed contact and correspondence thereof.
Also be provided with interlinked mechanism, described interlinked mechanism is connected with operating mechanism, earthing respectively, and when contact knife closes a floodgate, earthing is in open mode, and when contact knife separating brake, earthing is in "on" position.
The fingertip of described earthing, through zinc-plated process, adopts self-operated type structure, relies on its own resilient clamp contact during combined floodgate.
The utility model improves existing isolating switch structure, and the junction block that moving contact, fixed contact are corresponding with it is respectively one-body molded, decreases the resistance in loop during combined floodgate, reduces return loss, improves overall stability; Devise the transversary of moving contact top contact, contact knife is closely engaged with moving contact contact-making surface, improves the mechanical strength of contact knife, make the stability of switch higher; Horizontal structure of contact terminal adds the spacing of two contact knifes, increases area of dissipation, is conducive to the temperature rise in reduction process; The structure of contact knife and fixed contact pivot joint, achieves it and can divide with fixed contact and be connected; Serial verb construction ensures the fail safe of making process, reliability; The setting of main shaft support frame achieves removably connecting of main shaft and base, and it is convenient to change, and is convenient to processing; The contact of contact knife and fixed contact leans on the spring at its two ends to maintain, reliable and stable.
Accompanying drawing explanation
Fig. 1 is the utility model side structure schematic diagram;
Fig. 2 is the utility model plan structure schematic diagram;
Fig. 3 is the utility model scheme of installation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
As Figure 1-3, this GW1 outdoor high-voltage isolating switch, is made up of the single-pole switch of three same structure disjunctors, and each single-pole switch includes base 7, post insulator 1, moving contact 3, fixed contact 4, contact knife 5, earthing 8 and operating mechanism 13.
Described base 7 is fixedly installed side by side two post insulators 1, one of them post insulator is fixedly installed junction block and moving contact 3, another post insulator is fixedly installed junction block and fixed contact 4, described contact knife 5 is set to two and one end is articulated with fixed contact 4 arranged side by side, the other end is closed or be separated and realize divide-shut brake by operating mechanism 13 interlock and moving contact 3, also comprise insulated tension pole 2, described moving contact 3, fixed contact 4 is set to integrative-structure with corresponding junction block, and support 14 is fixedly connected with on the junction block of correspondence, described contact knife 5 one end is articulated on fixed contact 4 and support 14, described insulated tension pole 2 one end is flexibly connected contact knife 5, the other end connects the connecting lever of main shaft 10, described main shaft 10 and connecting rod 12, operating mechanism 13 connects in turn, described moving contact 3 part is upwards horizontal trapezoid, periphery is provided with arcuate guide structure, vertically with contact knife 5 extended line to arrange, during combined floodgate, operating mechanism 13 interlock connecting rod 12, main shaft 10 makes insulated tension pole 2 move downward, be rotated down to moving contact 3 with movable touch knife 5 and be in the clamping of support 14 and moving contact 3 close contact.
As preferred mode, described base 7 is fixedly installed main shaft support frame 11, described main shaft 10 is arranged at also can be spacing in main shaft support frame 11, the design of main shaft support frame 11, changes the structure of original main shaft and base one, and it is convenient to change, processing is more prone to, and reduces production cost.
As preferred mode, described post insulator 1 periphery is provided with the cluster parachute of the different umbrella leaf composition of diameter, and the diameter of described umbrella leaf alternately occurs, improve accommodative ability of environment and the proof voltage grade of product, anti-corrosion effects is good.
As preferred mode, described contact knife 5 and fixed contact 4 are by screw rod pivot joint, and there is spring at the two ends of described screw rod, the arranged outside of contact knife 5, and fastening by jam nut, and the contact of contact knife and fixed contact 4 is maintained by spring.
As preferred mode, the silver-plated process of the overall graphite of junction block of described moving contact 3, fixed contact 4 and correspondence thereof, improves conductive capability, reduces the resistance in loop.
As preferred mode, be also provided with interlinked mechanism 6, described interlinked mechanism 6 is connected with operating mechanism 13, earthing 8 respectively, and when contact knife 5 closes a floodgate, earthing 8 is in open mode, and when contact knife 5 separating brake, earthing 8 is in "on" position.
As preferred mode, the fingertip of described earthing 8, through zinc-plated process, adopts self-operated type structure, relies on its own resilient clamp contact 9 during combined floodgate, improves the reliability of contact.
The utility model is applicable to horizontal and vertical and arranges, base 7 can be designed to ground connection or earth-free form, the one pole identical by three structures forms, after installation terminates, during separating brake, manual operation mechanism 13 handle upwards, drivening rod 12 makes main shaft 10 rotate, movable touch knife 5 is with to rotate by insulated tension pole 2, contact knife 5 is separated with moving contact 3, and reach enough fracture safe distances, during combined floodgate, rotate the handle of operating mechanism 13, and the combined floodgate maximal end point that handle is downward, contact knife 5 is with moving contact 3 close contact and clamped by support 14, reach the maximal end point of make position.
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 GW1 outdoor high-voltage isolating switch, be made up of the single-pole switch of three same structure disjunctors, each single-pole switch includes base (7), post insulator (1), moving contact (3), fixed contact (4), contact knife (5), earthing (8) and operating mechanism (13), described base (7) is fixedly installed side by side two post insulators (1), one of them post insulator is fixedly installed junction block and moving contact (3), another post insulator is fixedly installed junction block and fixed contact (4), described contact knife (5) is set to two and one end is articulated with fixed contact (4) arranged side by side, the other end is closed by operating mechanism (13) interlock and moving contact (3) or is separated and realizes divide-shut brake, it is characterized in that, also comprise insulated tension pole (2), described moving contact (3), fixed contact (4) is set to integrative-structure with corresponding junction block, and on the junction block of correspondence, be fixedly connected with support (14), described contact knife (5) one end is articulated on fixed contact (4) and support (14), described insulated tension pole (2) one end is flexibly connected contact knife (5), the other end connects the connecting lever of main shaft (10), described main shaft (10) and connecting rod (12), operating mechanism (13) connects in turn, described moving contact (3) part is upwards horizontal trapezoid, periphery is provided with arcuate guide structure, vertically with contact knife (5) extended line to arrange, during combined floodgate, operating mechanism (13) interlock connecting rod (12), main shaft (10) makes insulated tension pole (2) move downward, band movable touch knife (5) is rotated down to moving contact (3) and is in the clamping of support (14) and moving contact (3) close contact.
2. a kind of GW1 outdoor high-voltage isolating switch according to claim 1, is characterized in that, described base (7) is fixedly installed main shaft support frame (11), and described main shaft (10) is arranged at also can be spacing in main shaft support frame (11).
3. a kind of GW1 outdoor high-voltage isolating switch according to claim 1, is characterized in that, described post insulator (1) periphery is provided with the cluster parachute of the different umbrella leaf composition of diameter, and the diameter of described umbrella leaf alternately occurs.
4. a kind of GW1 outdoor high-voltage isolating switch according to claim 1, is characterized in that, described contact knife (5) and fixed contact (4) are by screw rod pivot joint, and there is spring at the two ends of described screw rod, the arranged outside of contact knife (5), and fastening by nut.
5. a kind of GW1 outdoor high-voltage isolating switch according to claim 1, is characterized in that, the silver-plated process of the overall graphite of junction block of described moving contact (3), fixed contact (4) and correspondence thereof.
6. according to a kind of GW1 outdoor high-voltage isolating switch of claim 1-5 described in any one, it is characterized in that, also be provided with interlinked mechanism (6), described interlinked mechanism (6) is connected with operating mechanism (13), earthing (8) respectively, when contact knife (5) closes a floodgate, earthing (8) is in open mode, and when contact knife (5) separating brake, earthing (8) is in "on" position.
7. a kind of GW1 outdoor high-voltage isolating switch according to claim 6, is characterized in that, the fingertip of described earthing (8), through zinc-plated process, adopts self-operated type structure, relies on its own resilient clamp contact (9) during combined floodgate.
CN201520690268.2U 2015-09-09 2015-09-09 Outdoor high voltage isolator of GW1 Active CN204966369U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
CN204966369U true CN204966369U (en) 2016-01-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105958423A (en) * 2016-06-08 2016-09-21 国网冀北电力有限公司唐山供电公司 Group lightning arrester mechanism with mechanical linkage and use method thereof
RU203763U1 (en) * 2020-06-16 2021-04-20 Илья Валерьевич Василенко DISCONNECTOR WITH LOWER POSITIONING OF LIVE PARTS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105958423A (en) * 2016-06-08 2016-09-21 国网冀北电力有限公司唐山供电公司 Group lightning arrester mechanism with mechanical linkage and use method thereof
CN105958423B (en) * 2016-06-08 2018-04-06 国网冀北电力有限公司唐山供电公司 The mechanism of arrester in groups and its application method of a kind of mechanical linkage
RU203763U1 (en) * 2020-06-16 2021-04-20 Илья Валерьевич Василенко DISCONNECTOR WITH LOWER POSITIONING OF LIVE PARTS

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C14 Grant of patent or utility model
GR01 Patent grant
COR Change of bibliographic data
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: Qi Xiao

Inventor after: Liu Zhi

Inventor after: Wang Jianyuan

Inventor after: Guo Zhengqiang

Inventor after: Li Jian

Inventor before: Ren Xiaodong

Inventor before: Liu Zhi

Inventor before: Liu Nianyong

Inventor before: Guo Zhengqiang

Inventor before: Qi Xiao