CN205354942U - A special switch for earthing switch auxiliary contact return circuit - Google Patents
A special switch for earthing switch auxiliary contact return circuit Download PDFInfo
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- CN205354942U CN205354942U CN201521075751.6U CN201521075751U CN205354942U CN 205354942 U CN205354942 U CN 205354942U CN 201521075751 U CN201521075751 U CN 201521075751U CN 205354942 U CN205354942 U CN 205354942U
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- conducting rod
- quiet
- dynamic side
- side support
- auxiliary contact
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Abstract
The utility model relates to a special switch for earthing switch auxiliary contact return circuit, simple structure, economy is high -efficient, the assembly is nimble, it includes the sleeve pipe, the output crank arm of mechanism, quiet side subassembly that ground connection set up to and insert the auxiliary contact return circuit move the side subassembly, quiet side subassembly includes quiet side support piece and static contact, and quiet side flange and static contact are connected respectively to quiet side support piece's both ends, it including moving side support piece and conducting rod, moves side support piece's one end connection and moves the side flange to move the side subassembly, the conducting rod with move side support piece coaxial slip setting, the other end and the same shaft fit of static contact that moves side support piece is passed to the one end of conducting rod, the other end of conducting rod passes that to move the side flange articulated with the output crank arm of mechanism through articulated even board, sheathed tube one end is passed through the static seal and is enclosed the quiet side flange of connection, and other end sealing connection moves the side flange, and movive seal slip sealing connection is straightened with moving side flange warp to the conducting rod, overlaps intraductal sealed intracavity packing insulating gas.
Description
Technical field
This utility model relates to high-tension electricity apparatus field, is specially a kind of special switch for earthed switch auxiliary contact loop.
Background technology
In China's power system, 800kV system occurs in a large number in backbone network, in adopting the 800kV system joint using double back transmission line, time charging operation of transmission line of electricity, during a time stoppage in transit ground connection maintenance, working line will produce bigger capacitive and perception faradic current on stoppage in transit circuit, and this just requires that line-to-ground switchs these bigger faradic currents of folding of need to having the ability.
At present, most voltage levels line-to-ground switchs to meet the bigger faradic current requirement of this folding, it is required for the special switch at the auxiliary contact circuit in series of earthed switch with certain arc extinguishing ability, join the line-to-ground of special switch and switch not only that opening and closing induction current ability is strong, and structure is tightly urged, floor space is little, less costly, is subject to market and is widely recognized as.But the conduction drive mechanism of existing special switch is worked poor, and designs complex, cost is high, and job stability is inadequate.
Utility model content
For problems of the prior art, this utility model provides a kind of simple in construction, and economical and efficient, assembling are flexibly for the special switch in earthed switch auxiliary contact loop.
This utility model is to be achieved through the following technical solutions:
A kind of special switch for earthed switch auxiliary contact loop, including sleeve pipe, mechanism's output toggle arm, the quiet side assembly that ground connection is arranged, and accesses the dynamic side assembly in auxiliary contact loop；Quiet side assembly includes quiet side support and static contact, and the two ends of quiet side support connect quiet side flange and static contact respectively；Dynamic side assembly includes dynamic side support and conducting rod, and one end of dynamic side support connects dynamic side flange；Conducting rod and dynamic side support are coaxially slided settings, and one end of conducting rod is through the other end of dynamic side support and static contact coaxial cooperation, and the other end of conducting rod is hinged through hinged connecting plate and mechanism's output toggle arm through dynamic side flange；One end of sleeve pipe connects quiet side flange by static sealing ring, and the other end is tightly connected dynamic side flange, and conducting rod is connected through translation seal slipper seal with dynamic side flange, fills insulating gas in the annular seal space in sleeve pipe.
Preferably, dynamic side guide piece it is symmetrical arranged between the adjacent surface of conducting rod and dynamic side support.
Further, the spring touch finger of multiple electrical contact is set in the middle of the contact surface of dynamic side guide piece and conducting rod.
Preferably, one end of quiet side support connection static contact is fixedly installed quiet side shield cover；Dynamic side support is fixedly installed dynamic side shield cover near one end of static contact.
Preferably, translation seal includes the seal groove being arranged on dynamic side flange and conducting rod adjacent surface, from inside to outside it is arranged on sealing holddown spring and the sealing gasket being alternately arranged and sealing supporting pad in seal groove successively, and is assemblied in the sealing ring outside seal groove two ends；It is filled with silicone grease in described seal groove.
Preferably, the abutting end of conducting rod and static contact is that hollow cylinder is arranged, and hollow cylinder organizes pressure relief opening near outward-dipping being provided with in one end of dynamic side flange more.
Further, often the pressure relief opening in group pressure relief opening is uniformly distributed vertically, and the angle of inclination of pressure relief opening is 60 °.
Further, static contact include respectively with the hollow cylinder of conducting rod outside and the Mume flower contact of fit inside and Self-help contact terminal.
Further, Mume flower contact is fixed 24 fingertips by three springs and is formed.
Compared with prior art, this utility model has following useful technique effect:
This utility model adopts direct acting structure, improves the stability of cooperation and good operability；Dynamic side assembly and quiet side assembly are sealed in the insulating gas sleeve pipe of certain pressure, by arranging the sealing member of correspondence, make the position formation sealed environment of switch main body blow-out part and air contact；Ensure that the stability of work, utilize conducting rod to be directly connected with mechanism output through translation seal, drive Switch main body carries out point, closing operation, the faradic current of effective folding circuit, and simple in construction is good in economic efficiency, easy for installation, maintenance efficient.
Further, the straight-line trajectory of conducting rod is carried out guiding regulate by being assemblied in the dynamic side guide piece of conducting rod and dynamic side support contact surface both sides, it is ensured that while centering, improve the stability of switch folding.
Further, it is fastened on, by bolt, sound side shield cover and the contacts mates that both sides are supported respectively, improves sound side Electric Field Distribution.
Further, dynamic lateral movement parts form movable sealing by the combination assembling of spring, sealing gasket and sealing ring, it is ensured that the good contact of the airtight and motion in space in sleeve pipe.
Further, quiet side, galvanic circle is made up of Mume flower contact and Self-help contact terminal, it is ensured that contacts with the stable of outside in conducting rod, improves job stability.
Further, the blast pressure cut-offfing in operating process by arranging pressure relief opening to increase, be conducive to the extinguishing of electric arc.
Accompanying drawing explanation
Fig. 1 a is configuration state schematic diagram during special switch separating brake described in this utility model example.
Fig. 1 b is the configuration state schematic diagram during combined floodgate of special switch described in this utility model example.
Fig. 2 is the schematic enlarged-scale view of quiet side in Fig. 1 a.
Fig. 3 is the schematic enlarged-scale view of dynamic side in Fig. 1 a.
Fig. 4 is the schematic enlarged-scale view of movable sealing in Fig. 1 a.
In figure: 1 is sleeve pipe, 2 is quiet side assembly, and 3 is dynamic side assembly, and 4 is translation seal, 5 is mechanism's output toggle arm, and 6 is static sealing ring, and 7 is Mume flower contact, 8 is quiet side shield cover, and 9 is Self-help contact terminal, and 10 is quiet side support, 11 is dynamic side shield cover, and 12 is dynamic side support, and 13 is conducting rod, 14 is helical spring, and 15 is dynamic side guide piece, and 16 is sealing ring, 17 for sealing holddown spring, and 18 is sealing gasket, and 19 for sealing supporting pad.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, described in be to explanation of the present utility model rather than restriction.
This utility model is a kind of special switch for earthed switch auxiliary contact loop, and its structure is as illustrated in figs. ia and ib, concrete, and it includes sleeve pipe 1, quiet side assembly 2, dynamic side assembly 3, translation seal 4, mechanism's output toggle arm 5 and static sealing ring 6 six major part.It is internal that quiet side assembly 2 and dynamic side assembly 3 are assemblied in the sleeve pipe 1 being filled with certain pressure insulating gas, carries out, by translation seal 5 and static sealing ring 6, the transmission that seals and move.The structure of translation seal 4 is slot on dynamic side flange, coating silicone grease in groove, will seal holddown spring 17, sealing gasket 18 and seals in the supporting pad 19 order press-in groove shown in Fig. 4, and assembles sealing ring 16 in both sides；Static sealing ring 6 is adopted the O of quality of rubber materials to be compressed by flange bolt and seals.Dynamic side assembly 2 and the quiet side shield cover 8 arranged in quiet side assembly 3 are threaded connection with dynamic side shield cover 11 and are fastened on the supporter that both sides are corresponding respectively, and contacts mates, improve sound side Electric Field Distribution.
As in figure 2 it is shown, the conductive contact loop of quiet side assembly 3 is fixed, by three springs, Mume flower contact 7 that 24 fingertips form and self-reliance static contact 9 is constituted.
As shown in Figure 3, dynamic galvanic circle, side is consisted of conducting rod 13, helical spring 14 and dynamic side support 12, conducting rod 13 has the equally distributed two groups of pressure relief openings of outward-dipping 60 ° of three-dimensionals, increases the blast pressure cut-offfing in operating process, be conducive to the extinguishing of electric arc.Dynamic side guide piece 15 is assemblied in the both sides of conducting rod 13 and dynamic side support 12 contact surface, and the straight-line trajectory of conducting rod 13 is carried out guiding adjustment.
Conducting rod 13 is connected by duplex board shaft pin through translation seal 4 with mechanism output toggle arm 5, form double leval jib transmission, by mechanism point, closing operation drives switch dynamic side conducting rod 13 to carry out open and close with certain speed with quiet side contact and contacts, as illustrated in figs. ia and ib, effective folding line influence electric current is carried out.Wherein, switches conductive is partially encapsulated in the insulating gas of certain pressure, is isolated with surrounding air by current-carrying part by translation seal 4 and static sealing ring 6.
Claims (9)
1. the special switch for earthed switch auxiliary contact loop, it is characterized in that, including sleeve pipe (1), mechanism's output toggle arm (5), quiet side assembly (2) that ground connection is arranged, and access dynamic side assembly (3) in auxiliary contact loop；
Quiet side assembly (2) includes quiet side support (10) and static contact (9), and the two ends of quiet side support (10) connect quiet side flange and static contact respectively；
Dynamic side assembly (3) includes dynamic side support (12) and conducting rod (13), and one end of dynamic side support (12) connects dynamic side flange；Conducting rod (13) and dynamic side support (12) are coaxially slided setting, one end of conducting rod (13) is through the other end and the static contact coaxial cooperation of moving side support (12), and the other end of conducting rod (13) is hinged through hinged connecting plate and mechanism's output toggle arm (5) through dynamic side flange；
One end of sleeve pipe (1) connects quiet side flange by static sealing ring (6), the other end is tightly connected dynamic side flange, conducting rod (13) is connected through translation seal (4) slipper seal with dynamic side flange, fills insulating gas in the annular seal space in sleeve pipe (1).
2. a kind of special switch for earthed switch auxiliary contact loop according to claim 1, it is characterised in that be symmetrical arranged dynamic side guide piece (15) between the adjacent surface of conducting rod (13) and dynamic side support (12).
3. a kind of special switch for earthed switch auxiliary contact loop according to claim 2, it is characterized in that, the spring touch finger (14) of multiple electrical contact is set in the middle of the contact surface of dynamic side guide piece (15) and conducting rod (13).
4. a kind of special switch for earthed switch auxiliary contact loop according to claim 1, it is characterised in that quiet side support (10) connects one end of static contact and is fixedly installed quiet side shield cover (8)；Dynamic side support (12) is fixedly installed dynamic side shield cover (11) near one end of static contact.
5. a kind of special switch for earthed switch auxiliary contact loop according to claim 1, it is characterized in that, translation seal (4) includes the seal groove being arranged on dynamic side flange and conducting rod (13) adjacent surface, from inside to outside it is arranged on the sealing holddown spring (17) in seal groove and the sealing gasket (18) being alternately arranged and sealing supporting pad (19) successively, and is assemblied in the sealing ring (16) outside seal groove two ends；It is filled with silicone grease in described seal groove.
6. a kind of special switch for earthed switch auxiliary contact loop according to claim 1, it is characterized in that, the abutting end of conducting rod (13) and static contact is that hollow cylinder is arranged, and hollow cylinder organizes pressure relief opening near outward-dipping being provided with in one end of dynamic side flange more.
7. a kind of special switch for earthed switch auxiliary contact loop according to claim 6, it is characterised in that often the pressure relief opening in group pressure relief opening is uniformly distributed vertically, and the angle of inclination of pressure relief opening is 60 °.
8. a kind of special switch for earthed switch auxiliary contact loop according to claim 6, it is characterized in that, static contact include respectively with the hollow cylinder of conducting rod (13) outside and the Mume flower contact (7) of fit inside and Self-help contact terminal (9).
9. a kind of special switch for earthed switch auxiliary contact loop according to claim 8, it is characterised in that Mume flower contact (7) is fixed 24 fingertips by three springs and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075751.6U CN205354942U (en) | 2015-12-21 | 2015-12-21 | A special switch for earthing switch auxiliary contact return circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075751.6U CN205354942U (en) | 2015-12-21 | 2015-12-21 | A special switch for earthing switch auxiliary contact return circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205354942U true CN205354942U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521075751.6U Active CN205354942U (en) | 2015-12-21 | 2015-12-21 | A special switch for earthing switch auxiliary contact return circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205354942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951647A (en) * | 2019-11-26 | 2021-06-11 | 天津平高智能电气有限公司 | Aging and insulation testing device for vacuum arc-extinguishing chamber |
-
2015
- 2015-12-21 CN CN201521075751.6U patent/CN205354942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951647A (en) * | 2019-11-26 | 2021-06-11 | 天津平高智能电气有限公司 | Aging and insulation testing device for vacuum arc-extinguishing chamber |
| CN112951647B (en) * | 2019-11-26 | 2023-03-10 | 天津平高智能电气有限公司 | Aging and insulation testing device for vacuum arc extinguish chamber |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |