CN203103192U - GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch - Google Patents
GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch Download PDFInfo
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- CN203103192U CN203103192U CN 201320019763 CN201320019763U CN203103192U CN 203103192 U CN203103192 U CN 203103192U CN 201320019763 CN201320019763 CN 201320019763 CN 201320019763 U CN201320019763 U CN 201320019763U CN 203103192 U CN203103192 U CN 203103192U
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Abstract
A GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch is composed of three independent single poles. Each single pole is composed of a fixed contact, a main switch blade, insulators, a circular tube-type cross beam, a cylinder-type base, a grounding switch, a grounding fixed contact, an electric mechanism and a mechanical interlocking component; three cylinder-type bases are connected with each other through the circular tube-type cross beams; the cylinder-type bases at the left and right sides are provided with the insulators and the fixed contacts; a double-fixed-supporting-point rolling bearing seat is adopted as the middle cylinder-type base and is provided with the insulators and the main switch blade; the middle cylinder-type base is further provided with a four-bar-linkage driving mechanism composed of a connecting arm and a connecting rod; the main switch blade is composed of a movable contact, an electric conduction tube and a gear box; and a bevel gear and a limiting spring are arranged inside the gear box. According to the GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch of the utility model, a three-column-horizontal-turning structural design is utilized, and two gaps are formed after switching off is performed; and therefore, the GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch is advantageous in higher insulation level between the gaps, stable operation, reliable contact, strong outdoor severe environment resistance as well as improved anti-seismic performance and anti-external vibration performance.
Description
Technical field
The utility model relates to a kind of outdoor high-voltage transmission facility, specifically a kind of GW7A-1100D (W)/J6300-63 type high-voltage alternating current isolating switch.
Background technology
The type high-voltage alternating current isolating switch is a three-phase alternating current, and frequency is the outdoor high-voltage transmission facility of 50Hz, carries out changing-over and the usefulness to being carried out the safety isolation by the electric equipment that overhauled and charged high-tension line for high-tension line under the no-load situation.
Continuous development and power equipment continuous advancement in technology along with power industry, the development ehv power transmission has become the inevitable choice of China's electric power industry development, present domestic electric power system still is in the research stage of fumbling to building the remote power transmission and transformation line of 1100kV superhigh pressure, and its relevant power transmission and transformation complete set of equipments also is in the blank stage.
Summary of the invention
In view of the foregoing, the purpose of this utility model provides a kind of GW7A-1100D that uses (W)/J6300-63 type high-voltage alternating current isolating switch in the ehv power transmission system, to fill up the blank of domestic power industry in 1100kV ehv power transmission complete set of equipments.
The purpose of this utility model be achieved in that every group by three independently one pole constitute, each one pole is made up of fixed contact, main switch cutter, insulator, circular pipe type crossbeam, column type base, ground connection cutter, ground connection fixed contact, motor drive mechanism, mechanical interlocking; Connect by the circular pipe type crossbeam between three column type bases; Insulator and fixed contact are installed on the column type base of the left and right sides, middle circle pillar base adopts the rotation axis bearing of two fixed support points, insulator and main switch cutter are installed above, on middle circle pillar base, also are provided with four bar-link drive that constitute by link arm and connecting rod; Described fixed contact is made of static contact seat, fingertip, striking fingertip, touch spring, baffle plate; Described main switch cutter is made of moving contact, contact tube, transmission case, is provided with bevel gear and limit spring in this transmission case; Described earthed switch is made of ground connection cutter and ground connection fixed contact, and the ground connection fixed contact is installed on the static contact seat in the fixed contact, and the ground connection cutter is installed on the column type base of the left and right sides.When this isolating switch closes a floodgate, drive the link arm Rotate 180 degree that is located at middle circle pillar base by motor drive mechanism, rotate about 115 degree by the four bar-link drive driving intermediate standoff that the link arm and the connecting rod of kinematic link are formed, drive the main switch cutter earlier and on horizontal plane, rotate about 70 degree, after main switch cutter moving contact was blocked by fixed contact, the bevel gear in the main switch cutter transmission case was rotated, and drove about 45 degree of contact tube rotation, moving contact is reliably contacted with the fingertip of fixed contact, finish feed motion.The separating brake process in contrast.
What the utility model adopted is present most advanced rational three-post horizontally turning type project organization, forms two fractures behind the separating brake, has insulation level between higher fracture.Adopt the gear type overturn structure, then operational torque is little, motion is steady; The main switch cutter is little to the fixed contact impulsive force during combined floodgate, contact is reliable; Transmission case adopts sealed construction, and it is strong to resist outdoor adverse circumstances ability; Adopt the rotation axis bearing of two fixed support points, improve earthquake resisting performance and external force resistance vibrations performance.
Description of drawings:
Fig. 1 is an one pole general assembly structural representation of the present utility model;
Fig. 2 adopts the commentaries on classics of two fixed support points for the column type base in the middle of being installed among Fig. 1
Moving axis bearing assembling schematic diagram;
Fig. 3 is a fixed contact assembling schematic diagram among Fig. 1;
Fig. 4 is a main switch cutter assembling schematic diagram among Fig. 1;
Fig. 5 is the kinematic link assembling schematic diagram on the column type base in the middle of being installed among Fig. 1.
Embodiment
By accompanying drawing as can be known, every group of this GW7A-1100D (W)/J6300-63 type high-voltage alternating current isolating switch by three independently one pole constitute, each one pole is made up of fixed contact 1, main switch cutter 2, insulator 3, circular pipe type crossbeam 4, column type base 5, ground connection cutter 6, ground connection fixed contact 7, motor drive mechanism 8, mechanical interlocking 9; Whole base is made up of three column type bases 5, and is middle with 4 connections of circular pipe type crossbeam.Insulator 3 and fixed contact 1 are installed above the column type base of the left and right sides, and middle circle pillar base adopts rotation axis bearing 11 (see figure 2)s of two fixed support points, and insulator 3 and main switch cutter 2 are installed above; Each one pole has three column insulators 3, and every post is formed by five solid-core post insulator closed assemblies; Fixed contact 1 constitutes (see figure 3) by static contact seat 12, fingertip 13, striking fingertip 14, touch spring 15, baffle plate 16; Main switch cutter 2 is made up of moving contact 17, contact tube 18, transmission case 20, adopts bevel-gear sett 19 to realize upset in the transmission case, and bevel gear 19 and limit spring 21 are sealed in (see figure 4) in the transmission case 20; On middle circle pillar base 5, also be provided with the four bar-link drive (see figure 5)s that constitute by link arm 22 and connecting rod 23; Earthed switch is made of ground connection cutter 6 and ground connection fixed contact 7, and ground connection fixed contact 7 is installed on the static contact seat 12 in the fixed contact 1, and ground connection cutter 6 is installed on the column type base of the left and right sides; Mechanical interlocking 9 is located at (see figure 1) between the vertical operation bar of earthed switch and isolating switch.
When this isolating switch closes a floodgate, drive the link arm 22 Rotate 180 degree that are located on the middle circle pillar base 5 by motor drive mechanism 8, drive about 115 degree of intermediate standoff 3 rotations by the link arm 22 of kinematic link and four bar-link drive of connecting rod 23 formations, drive main switch cutter 2 earlier and on horizontal plane, rotate about 70 degree, after main switch cutter moving contact 17 is blocked by fixed contact 1, bevel gear 19 in the main switch cutter transmission case is rotated, drive about 45 degree of contact tube 18 rotations, moving contact 17 is reliably contacted with the fingertip 13 of fixed contact 1, finish feed motion.The separating brake process in contrast.
Claims (1)
1. a GW7A-1100D (W)/J6300-63 type high-voltage alternating current isolating switch, it is characterized in that: every group by three independently one pole constitute, each one pole is made up of fixed contact, main switch cutter, insulator, circular pipe type crossbeam, column type base, ground connection cutter, ground connection fixed contact, motor drive mechanism, mechanical interlocking; Connect by the circular pipe type crossbeam between three column type bases; Insulator and fixed contact are installed on the column type base of the left and right sides, middle circle pillar base adopts the rotation axis bearing of two fixed support points, insulator and main switch cutter are installed above, on middle circle pillar base, also are provided with four bar-link drive that constitute by link arm and connecting rod; Described fixed contact is made of static contact seat, fingertip, striking fingertip, touch spring, baffle plate; Described main switch cutter is made of moving contact, contact tube, transmission case, is provided with bevel gear and limit spring in this transmission case; Described earthed switch is made of ground connection cutter and ground connection fixed contact, and the ground connection fixed contact is installed on the static contact seat in the fixed contact, and the ground connection cutter is installed on the column type base of the left and right sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019763 CN203103192U (en) | 2013-01-15 | 2013-01-15 | GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019763 CN203103192U (en) | 2013-01-15 | 2013-01-15 | GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103192U true CN203103192U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019763 Expired - Fee Related CN203103192U (en) | 2013-01-15 | 2013-01-15 | GW7A1-100D (W)/J6300-63 type high-voltage alternating-current disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103192U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914064A (en) * | 2016-06-30 | 2016-08-31 | 中国西电电气股份有限公司 | Guiding arc-striking angle for grounding switch |
| CN112216547A (en) * | 2020-10-27 | 2021-01-12 | 国网冀北电力有限公司检修分公司 | Prevent spacing resetting means and isolator that isolator overturned in advance |
| CN112750648A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel GW7-252 isolating switch conducting structure |
-
2013
- 2013-01-15 CN CN 201320019763 patent/CN203103192U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914064A (en) * | 2016-06-30 | 2016-08-31 | 中国西电电气股份有限公司 | Guiding arc-striking angle for grounding switch |
| CN105914064B (en) * | 2016-06-30 | 2017-10-31 | 中国西电电气股份有限公司 | A kind of earthed switch is oriented to arc leading angle |
| CN112216547A (en) * | 2020-10-27 | 2021-01-12 | 国网冀北电力有限公司检修分公司 | Prevent spacing resetting means and isolator that isolator overturned in advance |
| CN112750648A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel GW7-252 isolating switch conducting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20210115 |