CN201498419U - Quick ground switch used for gas insulated metal-enclosed switchgear - Google Patents
Quick ground switch used for gas insulated metal-enclosed switchgear Download PDFInfo
- Publication number
- CN201498419U CN201498419U CN2009203104280U CN200920310428U CN201498419U CN 201498419 U CN201498419 U CN 201498419U CN 2009203104280 U CN2009203104280 U CN 2009203104280U CN 200920310428 U CN200920310428 U CN 200920310428U CN 201498419 U CN201498419 U CN 201498419U
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- fixed
- conducting rod
- driving shaft
- ground connection
- static contact
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Abstract
A quick ground switch used for a gas insulated metal-enclosed switchgear comprises a housing, a driving shaft and three switch blocks. Each switch block is formed by a grounding static contact seat, a static contact, a conductive seat and a conductor pole, wherein the grounding static contact seats are fixed on the housing; the bottom parts of the grounding static contact seats are connected to one end of a three-phase grounding support plate, and the other end of the three-phase grounding support plate is fixed on a fixed insulating plate with the conductive seats; the fixed insulating plate is fixed on the housing; the conductive seats are provided with guide rings; one end of each conductor pole is sleeved in corresponding guide ring; the conductor poles and the conductive seats are conducted through wristlet contact fingers; the static contacts matched with the conductor poles are positioned in the motion tracks of the conductor poles; and the conductor poles are connected with the driving shaft through a transmission mechanism and move under the driving of the driving shaft. The quick ground switch used for a gas insulated metal-enclosed switchgear has the advantages of simple structure, stable transmission, reliable connection, small size, light weight, greatly lowered cost and convenient installation and debugging.
Description
Technical field
The utility model is mainly concerned with the Cubicle Gas-Insulated Switchgear field, refers in particular to a kind of high speed grounding switch that is used for Cubicle Gas-Insulated Switchgear.
Background technology
The high speed grounding switch that is used for the GIS combined electrical apparatus of domestic production at present can be divided into two kinds of " one " font and dihedrals according to ground connection conducting rod arrangement.Because simply but complex structure, not compact of its principle, cause with the GIS combined electrical apparatus when supporting, occur that volume is big, cost is higher, assembling is than problems such as complexity.
The utility model content
The technical problems to be solved in the utility model just is: at the technical problem that prior art exists, the utility model provides a kind of simple in structure, stable drive, connection is reliable, volume is little, in light weight, can reduce cost largely, high speed grounding switch that Installation and Debugging are used for Cubicle Gas-Insulated Switchgear easily.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of high speed grounding switch that is used for Cubicle Gas-Insulated Switchgear, it is characterized in that: it comprises housing, driving shaft and three are by the ground connection static contact seat, fixed contact, conductive seat, the switches set that conducting rod is formed, described ground connection static contact seat is fixed on the housing, the bottom of ground connection static contact seat links to each other with an end of three-phase ground connection support plate, the other end of three-phase ground connection support plate and conductive seat are fixed on the fixed insulation plate together, the fixed insulation plate is fixed on the housing, described conductive seat is provided with guide ring, one end of conducting rod is sheathed in the guide ring, conducting rod and conductive seat instruct by watch band contact, the fixed contact that is used for cooperating with conducting rod is positioned on the conducting rod movement locus, and described conducting rod links to each other with driving shaft by transmission mechanism and moves under the driving of driving shaft.
As further improvement of the utility model:
Described transmission mechanism comprises that transmission pivot pin and three connecting levers are welded, and described three connecting levers are welded and are installed on the driving shaft, and each connecting lever is welded and links to each other with the transmission pivot pin by the insulation arm-tie, on the sheathed gear pin of conducting rod one end.
Described three connecting levers are welded and link to each other with driving shaft by spline.
Be provided with lining between conducting rod and the insulation arm-tie on the described gear pin.
Link to each other by three-phase short circuit plate between described three ground connection static contact seats.
Compared with prior art, advantage of the present utility model just is:
1, the utlity model has simple in structure, stable drive, connection is reliable, volume is little, in light weight, can reduce cost largely, advantage such as Installation and Debugging are convenient;
2, the utility model is in the galvanic circle, and fixed contact and FES conducting rod adopt the CuW80 material, under the arcing condition of high temperature of earthed switch in the divide-shut brake process, reduces the scaling loss of fixed contact and FES conducting rod, improves the ability of closing short circuit current of closing fast greatly;
3, in the utility model between driving mechanism and the driving shaft, driving shaft with adopt spline to be connected between connecting lever is welded, improved transmission accuracy on largely; Whole transmission process is simple in structure, and the three-phase conducting rod adopts " one " font to arrange, stable drive connects reliable;
4, the insulation arm-tie in the drive disk assembly adopts 20mm epoxy phenol aldehyde glass cloth laminated board, bigger assurance ground connection major loop and the insulation level between mechanism and the housing in the utility model;
5, the high speed grounding switch housing is integrated on the three station housings in the utility model, and volume is little, in light weight, reduce cost largely.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the utility model in application example;
Fig. 2 is the side-looking structural representation the utility model removes end cap in application example after;
Fig. 3 is the sectional structure schematic diagram at A-A place among Fig. 2;
Fig. 4 is the sectional structure schematic diagram at B-B place among Fig. 2;
Fig. 5 is the principle schematic of the utility model when being in "on" position;
Fig. 6 is the principle schematic of the utility model when being in gate-dividing state.
Marginal data
1, housing; 2, ground connection static contact seat; 3, three-phase ground connection support plate; 4, conductive seat; 5, fixed insulation plate; 6, conducting rod; 7, connecting lever is welded; 8, guide ring; 9, watchband fingertip; 10, fixed contact; 11, bearing; 12, driving shaft; 13, transmission pivot pin; 14, cover plate; 15, gland; 16, general plug seal; 17, dust-proof seal ring; 18, mounting panel is welded; 20, insulation arm-tie; 21, back-up ring; 22, three-phase short circuit plate; 23, brass axle sleeve; 24, pivot pin; 25, lining; 26, oilless bushing; 27, insulation spacer; 28, end cap.
Embodiment
Below with reference to specific embodiment and Figure of description the utility model is described in further details.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the utility model is used for the high speed grounding switch of Cubicle Gas-Insulated Switchgear, comprise housing 1, three ground connection static contact seats 2, fixed contact 10, conductive seat 4, driving shaft 12 and conducting rod 6, wherein fixed contact 10 and conducting rod 6 adopt the CuW80 material, three ground connection static contact seats 2 are fixed on the housing 1, link to each other by three-phase short circuit plate 22 between three ground connection static contact seats 2, the bottom of ground connection static contact seat 2 links to each other with an end of three-phase ground connection support plate 3, the other end of three-phase ground connection support plate 3 and conductive seat 4 are fixed on the fixed insulation plate 5 together, fixed insulation plate 5 is fixed on the housing 1, and an end of housing 1 is provided with end cap 28.Conductive seat 4 is provided with guide ring 8, and an end of conducting rod 6 is sheathed in the guide ring 8, and guide ring 8 is used for the motion of guide post 6 is led, and conducting rod 6 conducts electricity by watchband fingertip 9 with conductive seat 4.The fixed contact 10 that is used for cooperating with conducting rod 6 is positioned on conducting rod 6 movement locus.Conducting rod 6 links to each other with driving shaft 12 by transmission mechanism, and under the driving of driving shaft 12, conducting rod 6 can move along its axial direction, finishes combined floodgate, separating brake operation.
In the present embodiment, transmission mechanism comprises that transmission pivot pin 13 and three connecting levers 7, three connecting levers that are welded are welded and 7 are installed on the driving shaft 12, and each connecting lever is welded and 7 links to each other insulation arm-tie 20 employing 20mm epoxy phenol aldehyde glass cloth laminated boards with transmission pivot pin 13 by insulation arm-tie 20.Three connecting levers are welded and 7 link to each other with driving shaft 12 by spline.Conducting rod 6 one ends are sheathed on the gear pin 13 and can be driven by gear pin 13 and move along its axial direction.The oilless bushing 26 of packing in the hole on conducting rod 6 is enclosed within conducting rod 6 on the transmission pivot pin 13, and loads onto insulation spacer 27 in its both sides; Block with back-up ring 21 at transmission pivot pin 13 two ends.Squeeze into brass axle sleeve 23 in insulation arm-tie 20 liang of stomidiums, an end of insulation arm-tie 20 and connecting lever are welded and 7 are connected with back-up ring 21 by pivot pin 24, and the other end directly is enclosed within on the transmission pivot pin 13.Conducting rod 6 and insulation are provided with lining 25 between the arm-tie 20 on the gear pin 13, prevent from that connecting lever is welded 7 to move axially.The driving shaft 12 externally driving of driving mechanism rotates down, by connecting lever be welded 7, insulation arm-tie 20 drives 13 motions of transmission pivot pins, finally drives guide posts 6 motions by transmission pivot pin 13, inserts or extract fixed contact 10 rapidly, finishes combined floodgate, separating brake.
During installation, driving mechanism is welded by mechanism's mounting panel and 18 is fixed on the high speed grounding switch housing 1, when driving mechanism rotates, adopt spline connected mode carry-over moment to give driving shaft 12, driving shaft 12 positions with two side bearings 11 that are fixed on the housing 1, and the cover plate 14 of packing into successively in right side bearing 11 outer ends, general plug seal 16, gland 15, dust-proof seal ring 17 seals it, cover plate 14 is separately fixed on housing 1 and the cover plate 14 by connecting bolt with gland 15, and fixed contact 10 is fixed on the isolating switch conducting rod of line disconnecting switch by connecting bolt.Close a floodgate and end, conducting rod 6 inserts in the fixed contact 10, the loop trend is: circuit conducting rod → fixed contact 10 → conducting rod 6 → watchband fingertip 9 → conductive seat 4 → three-phase ground connection support plate 3 → ground connection static contact seat 2 → three-phase short circuit plate 22, the grounding function of realization high speed grounding switch; Otherwise then be grounded the sub-switching operation of switch, separating brake finishes, and in the conducting rod 6 indentation conductive seats 4, guaranteeing has sufficient insulation distance between the earthed switch fracture.
The above only is a preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. high speed grounding switch that is used for Cubicle Gas-Insulated Switchgear, it is characterized in that: it comprises housing (1), driving shaft (12) and three are by ground connection static contact seat (2), fixed contact (10), conductive seat (4), the switches set that conducting rod (6) is formed, described ground connection static contact seat (2) is fixed on the housing (1), the bottom of ground connection static contact seat (2) links to each other with an end of three-phase ground connection support plate (3), the other end of three-phase ground connection support plate (3) and conductive seat (4) are fixed on the fixed insulation plate (5) together, fixed insulation plate (5) is fixed on the housing (1), described conductive seat (4) is provided with guide ring (8), one end of conducting rod (6) is sheathed in the guide ring (8), conducting rod (6) conducts electricity by watchband fingertip (9) with conductive seat (4), the fixed contact (10) that is used for cooperating with conducting rod (6) is positioned on conducting rod (6) movement locus, and described conducting rod (6) links to each other with driving shaft (12) by transmission mechanism and motion under the driving of driving shaft (12).
2. the high speed grounding switch that is used for Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that: described transmission mechanism comprises transmission pivot pin (13) and three connecting levers be welded (7), described three connecting levers be welded (7) be installed on the driving shaft (12), each connecting lever be welded (7) by the insulation arm-tie (20) link to each other with transmission pivot pin (13), conducting rod (6) one ends are sheathed on the gear pin (13).
3. the high speed grounding switch that is used for Cubicle Gas-Insulated Switchgear according to claim 2 is characterized in that: described three connecting levers be welded (7) link to each other with driving shaft (12) by spline.
4. the high speed grounding switch that is used for Cubicle Gas-Insulated Switchgear according to claim 2 is characterized in that: described gear pin (13) is gone up between conducting rod (6) and the insulation arm-tie (20) and is provided with lining (25).
5. according to claim 1 or 2 or the 3 or 4 described high speed grounding switches that are used for Cubicle Gas-Insulated Switchgear, it is characterized in that: link to each other by three-phase short circuit plate (22) between described three ground connection static contact seats (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203104280U CN201498419U (en) | 2009-09-15 | 2009-09-15 | Quick ground switch used for gas insulated metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203104280U CN201498419U (en) | 2009-09-15 | 2009-09-15 | Quick ground switch used for gas insulated metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498419U true CN201498419U (en) | 2010-06-02 |
Family
ID=42441620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203104280U Expired - Lifetime CN201498419U (en) | 2009-09-15 | 2009-09-15 | Quick ground switch used for gas insulated metal-enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498419U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176396A (en) * | 2011-03-17 | 2011-09-07 | 上海思源高压开关有限公司 | Three-phase common-box type high-speed earthing switch device |
| CN105264628A (en) * | 2013-03-29 | 2016-01-20 | 株式会社生方制作所 | Thermoresponsive switch and method for manufacturing same |
| CN110444435A (en) * | 2019-08-14 | 2019-11-12 | 新东北电气集团高压开关有限公司 | A kind of high pressure inspection earthing switch |
-
2009
- 2009-09-15 CN CN2009203104280U patent/CN201498419U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176396A (en) * | 2011-03-17 | 2011-09-07 | 上海思源高压开关有限公司 | Three-phase common-box type high-speed earthing switch device |
| CN102176396B (en) * | 2011-03-17 | 2013-06-19 | 上海思源高压开关有限公司 | Three-phase common-box type high-speed earthing switch device |
| CN105264628A (en) * | 2013-03-29 | 2016-01-20 | 株式会社生方制作所 | Thermoresponsive switch and method for manufacturing same |
| CN110444435A (en) * | 2019-08-14 | 2019-11-12 | 新东北电气集团高压开关有限公司 | A kind of high pressure inspection earthing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160608 Address after: 410604, No. 018, Jinzhou East Road, Jinzhou new district, Ningxiang County, Changsha, Hunan Patentee after: Hunan long complete sets of Electrical Appliance Co., Ltd. Address before: 410219 hi tech food garden, Jinxing Road (Wangcheng section), Changsha, Hunan Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |