CN203631395U - High-speed grounding switch of high-voltage composite electric appliance - Google Patents
High-speed grounding switch of high-voltage composite electric appliance Download PDFInfo
- Publication number
- CN203631395U CN203631395U CN201320865832.0U CN201320865832U CN203631395U CN 203631395 U CN203631395 U CN 203631395U CN 201320865832 U CN201320865832 U CN 201320865832U CN 203631395 U CN203631395 U CN 203631395U
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- Prior art keywords
- connecting lever
- grounding switch
- transmission shaft
- speed grounding
- housing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title abstract 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a high-speed grounding switch of a high-voltage composite electric appliance. The switch comprises a movable contact, a static contact, a guiding shaft fixed on a first housing, a grounding insulator, an outer connecting lever connected with an external operating mechanism, an inner connecting lever, a transmission shaft, a connection board, a T-shaped driving frame, and an insulating tube. The high-speed grounding switch realizes transmission of triangular arrangement through the T-shaped driving frame, and compared with conventional linear arrangement, internal structure is simplified, and production cost is reduced. Through arranging the insulating tube between the movable contact and the T-shaped driving frame, insulated isolation of the movable contact and the transmission system is realized, so switching-on and switching-off of the high-speed grounding switch of the high-voltage composite electric appliance are more stable, and meanwhile integrated dimensions and floor space are reduced.
Description
Technical field
The utility model belongs to combined electrical apparatus technical field, is specifically related to a kind of high speed grounding switch of high-voltage combined electrical apparatus.
Background technology
Fully closed combined electric unit is called for short GIS earthed switch and adopts three-phase combined type structure, fills SF6 gas-insulated, can be divided into trip service earthed switch and high speed grounding switch by purposes.When equipment normally moves, ground connection fracture disconnects, and in the time needing to overhaul in circuit, after switch fracture to be isolated disconnects, earthed switch closes, thereby guarantees to need maintenance position reliable ground.Trip service earthed switch is equipped with motor drive mechanism, high speed grounding switch is equipped with electric spring mechanism, and high speed grounding switch requires to possess the ability of folding em induced current and static induced current at course of action, the synchronism of three-phase folding must guarantee in the setting of product technology condition simultaneously.Institute's distribution actuation mechanism has the features such as volume is little, simple in structure, and its overall dimension is little, is conducive to reduce the overall dimensions of whole GIS.
Utility model content
In order to solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high speed grounding switch of high-voltage combined electrical apparatus, realized simple in structure, volume is little and divide-shut brake advantage more stably.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of high speed grounding switch of high-voltage combined electrical apparatus, comprise moving contact, fixed contact, be fixed on the axis of guide on the first housing, ground insulation, the outer connecting lever, interior connecting lever, power transmission shaft, connecting plate, T shape gear frame and the insulated tube that are connected with outside operating mechanism, power transmission shaft one end is fixedly connected with outer connecting lever, the other end of power transmission shaft is connected with the first housing shaft, the middle part of power transmission shaft and interior connecting lever chain connection; Interior connecting lever is connected with connecting plate one end axle, and the connecting plate other end is connected with T shape gear frame axle; Moving contact one end is connected with contact base plug, and the moving contact other end is connected with insulated tube threaded one end through quiet only head; In quiet only hole, the guide ring that moving contact is led is set, the spring touch finger contacting with moving contact is set in quiet only hole; Joint one end is fixedly connected with T shape gear frame, and the other end is threaded with insulated tube; Contact base is connected with the disk insulator that is fixed on second housing one end by screw; T shape gear frame and the axis of guide are slidably connected; Moving contact is by spring touch finger and copper bar and ground insulation sub-connection, and ground insulation that is provided with earthing bar is fixed on the first housing by screw.
Preferably, outer connecting lever is connected with outside operating mechanism, and outer connecting lever and interior connecting lever are " ㄇ " form and are respectively equipped with the trip bolt for fastening power transmission shaft.
Further, the cross section of power transmission shaft is pentagon or hexagon.
Preferably, the two ends of the axis of guide are connected with the first housing pin respectively.
Compared with prior art, its beneficial effect is as follows for the utility model: the technical program realizes by T shape gear frame the transmission that triangular form is arranged, traditional line type is arranged relatively, and internal structure is simplified, and has reduced production cost; Realize the insulation isolation of moving contact and drive system by insulated tube is set between moving contact and T shape gear frame, thereby guaranteed that the divide-shut brake of high speed grounding switch of high-voltage combined electrical apparatus is more steady; Also reduce overall dimensions and floor space simultaneously.
Accompanying drawing explanation
Fig. 1 is that the high speed grounding switch of high-voltage combined electrical apparatus described in the utility model is in the structural representation of "on" position.
Fig. 2 is A-A fragmentary cross-sectional view in Fig. 1.
Fig. 3 is that the high speed grounding switch of high-voltage combined electrical apparatus described in the utility model is in the structural representation of gate-dividing state.
Fig. 4 is the S portion enlarged drawing of Fig. 1.
Mark in figure:
1-moving contact, 2-fixed contact, the 3-axis of guide, 4-ground insulation, the outer connecting lever of 5-, connecting lever in 6-, 7-power transmission shaft, 8-connecting plate, 9-T shape gear frame, 10-the first housing, 11-contact base, 12-spring touch finger, 13-insulated tube, 14-the second housing, 15-disk insulator, 16-joint, 17-copper bar, 18-guide ring, 19-the first trip bolt, the 19 '-the second trip bolt, 20-earthing bar.
Embodiment
There is understanding and understanding further for ease of the technological means to the utility model and operation, be elaborated as follows below in conjunction with specific embodiment.
Shown in seeing figures.1.and.2, the present embodiment provides a kind of high speed grounding switch of high-voltage combined electrical apparatus, comprises moving contact 1, fixed contact 2, is fixed on the axis of guide 3, ground insulation 4, the outer connecting lever 5 being connected with outside operating mechanism, interior connecting lever 6, power transmission shaft 7, connecting plate 8, T shape gear frame 9 and insulated tube 13 on the first housing 10.T shape gear frame 9 adopts duralumin material in the present embodiment, the axis of guide 3 adopts steel alloy material and through modified, blackening process, effectively guaranteed contact point, impulsive force in making process.
Wherein, power transmission shaft 7 one end are fixedly connected with outer connecting lever 5, and the other end of power transmission shaft 7 is connected with the first housing 10 axles, the middle part of power transmission shaft 7 and interior connecting lever 6 chain connections; Interior connecting lever 6 is connected with connecting plate 8 one end axles, and connecting plate 8 other ends are connected with T shape gear frame 9 axles; Moving contact 1 one end is connected with contact base 11 plugs, and moving contact 1 other end is connected with insulated tube 13 threaded one ends through quiet only 2; In quiet only 2 holes, the guide ring 18 that moving contact 1 is led is set, the spring touch finger 12 contacting with moving contact 1 is set in quiet only 2 holes; Joint 16 one end are fixedly connected with T shape gear frame 9, and the other end is threaded with insulated tube 13; Contact base 11 is connected with the disk insulator 15 that is fixed on second housing 14 one end by screw; T shape gear frame 9 is slidably connected with the axis of guide 3; Moving contact 1 is connected with ground insulation 4 with copper bar 17 by spring touch finger 12, and ground insulation 4 that is provided with earthing bar 20 is fixed on the first housing 10 by screw.
In the present embodiment, outer connecting lever 5 and interior connecting lever 6 are " ㄇ " form, and interior connecting lever 6 is provided with the first trip bolt 19 for fastening power transmission shaft 3, and outer connecting lever 5 is provided with the second trip bolt 19 ' for fastening power transmission shaft 3.
Because the cross section of power transmission shaft 7 is pentagon or hexagon, therefore power transmission shaft 7 is hard connections with outer connecting lever 5 and interior connecting lever 6.The two ends of the axis of guide 3 are connected with the first housing 10 pins respectively.In the present embodiment, the first housing 10 and the second housing 14 are connected by screw, and are provided with sealing ring between the two.In addition, have the each parts that are connected all to adopt sealing ring to seal with the first housing 10 or the second housing 14, sealing mode is known by persons skilled in the art, does not repeat them here.
The operation principle brief description of the high speed grounding switch of the high-voltage combined electrical apparatus described in above-mentioned the present embodiment as:
Close a floodgate: drive power transmission shaft 7 by the outer connecting lever 5 of operating mechanism, power transmission shaft 7 drives again interior connecting lever 6, interior connecting lever 6 drives T shape gear frame 9 by effect connecting plate 8, thereby T shape gear frame 9 drives through sliding on the axis of guide 3 moving contact 5 being threaded with insulated tube 13, make moving contact 5 be plugged into the combined floodgate of the interior earthed switch of realizing combined electrical apparatus of contact base 11, as shown in Figure 1.Three-phase induction electric current in combined electrical apparatus or fault current warp successfully can be imported to the earth with ground insulation 13 earthing bars that are connected 20 like this.
Separating brake: drive power transmission shaft 7 by the outer connecting lever 5 of operating mechanism, power transmission shaft 7 drives again interior connecting lever 6, interior connecting lever 6 drives T shape gear frame 9 by effect connecting plate 8, thereby T shape gear frame 9 drives through sliding on the axis of guide 3 moving contact 5 being threaded with insulated tube 13, make moving contact 5 separate the separating brake of the earthed switch of realizing combined electrical apparatus with contact base 11, as shown in Figure 3.
In the present embodiment, T shape gear frame 9 through the high speed grounding switch of above-mentioned high-voltage combined electrical apparatus point, close a floodgate after on the axis of guide 3 sliding distance be not less than 85mm.
Claims (6)
1. the high speed grounding switch of a high-voltage combined electrical apparatus, it is characterized in that, comprise moving contact (1), fixed contact (2), be fixed on the axis of guide (3) on the first housing (10), ground insulation (4), the outer connecting lever (5) being connected with outside operating mechanism, interior connecting lever (6), power transmission shaft (7), connecting plate (8), T shape gear frame (9) and insulated tube (13), power transmission shaft (7) one end is fixedly connected with outer connecting lever (5), the other end of power transmission shaft (7) is connected with the first housing (10) axle, the middle part of power transmission shaft (7) and interior connecting lever (6) chain connection, interior connecting lever (6) is connected with connecting plate (8) one end axle, and connecting plate (8) other end is connected with T shape gear frame (9) axle, moving contact (1) one end is connected with contact base (11) plug, and moving contact (1) other end is connected with insulated tube (13) threaded one end through quiet only head (2), quiet only head arranges the guide ring (18) that moving contact (1) is led in (2) hole, and quiet only head arranges the spring touch finger (12) contacting with moving contact (1) in (2) hole, joint (16) one end is fixedly connected with T shape gear frame (9), and the other end is threaded with insulated tube (13), contact base (11) is connected with the disk insulator (15) that is fixed on the second housing (14) one end by screw, T shape gear frame (9) is slidably connected with the axis of guide (3), moving contact (1) is connected with ground insulation (4) with copper bar (17) by spring touch finger (12), and ground insulation (4) that is provided with earthing bar (20) is fixed on the first housing (10) by screw.
2. the high speed grounding switch of high-voltage combined electrical apparatus according to claim 1, it is characterized in that, outer connecting lever (5) and interior connecting lever (6) are " ㄇ " form, interior connecting lever (6) is provided with the first trip bolt (19) for fastening power transmission shaft (3), and outer connecting lever (5) is provided with the second trip bolt (19 ') for fastening power transmission shaft (3).
3. the high speed grounding switch of high-voltage combined electrical apparatus according to claim 1 and 2, is characterized in that, the cross section of power transmission shaft (7) is pentagon or hexagon.
4. the high speed grounding switch of high-voltage combined electrical apparatus according to claim 1, is characterized in that, the two ends of the axis of guide (3) are connected with the first housing (10) pin respectively.
5. the high speed grounding switch of high-voltage combined electrical apparatus according to claim 1, is characterized in that, T shape gear frame (9) through the high speed grounding switch of high-voltage combined electrical apparatus point, be greater than 85mm in the upper distance of sliding of the axis of guide (3) after closing a floodgate.
6. the high speed grounding switch of high-voltage combined electrical apparatus according to claim 1, the first housing (10) and the second housing (14) are connected by screw, and are provided with sealing ring between the two.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320865832.0U CN203631395U (en) | 2013-12-25 | 2013-12-25 | High-speed grounding switch of high-voltage composite electric appliance |
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CN201320865832.0U CN203631395U (en) | 2013-12-25 | 2013-12-25 | High-speed grounding switch of high-voltage composite electric appliance |
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CN203631395U true CN203631395U (en) | 2014-06-04 |
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CN201320865832.0U Expired - Fee Related CN203631395U (en) | 2013-12-25 | 2013-12-25 | High-speed grounding switch of high-voltage composite electric appliance |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109148204A (en) * | 2017-06-27 | 2019-01-04 | 河南平芝高压开关有限公司 | A kind of gas-insulating and fully-enclosed combined electrical apparatus and its three-station isolating grounding switch |
-
2013
- 2013-12-25 CN CN201320865832.0U patent/CN203631395U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109148204A (en) * | 2017-06-27 | 2019-01-04 | 河南平芝高压开关有限公司 | A kind of gas-insulating and fully-enclosed combined electrical apparatus and its three-station isolating grounding switch |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 610213, No. two, section 1158, Washington Avenue, Concord street, Chengdu, Sichuan, Shuangliu County Patentee after: CHUAN KAI ELECTRIC Co.,Ltd. Address before: 610200 3, building 1, No. 1, 1, two, Washington Avenue, Huayang street, Huayang street, Sichuan, Chengdu, Shuangliu County Province, China Patentee before: CHUANKAI ELECTRIC Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 |