CN2821838Y - Anti-tension type isolated knife switch - Google Patents
Anti-tension type isolated knife switch Download PDFInfo
- Publication number
- CN2821838Y CN2821838Y CN 200520086557 CN200520086557U CN2821838Y CN 2821838 Y CN2821838 Y CN 2821838Y CN 200520086557 CN200520086557 CN 200520086557 CN 200520086557 U CN200520086557 U CN 200520086557U CN 2821838 Y CN2821838 Y CN 2821838Y
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- anchor ear
- contact
- contact head
- formula
- rod
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- Expired - Fee Related
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Abstract
The utility model relates to an anti-tension type isolated knife gate switch, which comprises a rod-shaped compound anti-tension insulator, wherein the left end of the rod-shaped compound anti-tension insulator is a connector and the right end is a ball head. An anchor ear contact head of a fixing diversion type and a power anchor ear contact head of a kneading type are respectively arranged on the rod-shaped compound anti-tension insulator, the upper part of the anchor ear contact head of a fixing diversion type is connected with equipment wire clamp, and the lower part of the rod-shaped compound anti-tension insulator is rotationally connected with a knife gate. A pull nose is fixed to the knife gate, and both side surfaces of the knife gate are respectively fixed to stiffening plates. The upper part of the power anchor ear contact head of a kneading type is connected with the equipment wire clamp, and the lower part of the power anchor ear contact head of a kneading type is connected with a contact head of a kneading type. The anchor ear contact head of a fixing diversion type and the power anchor ear contact head of a kneading type of the utility model are directly arranged on the rod-shaped compound anti-tension insulators of existing power supply products, the normal safe operation of the rod-shaped compound anti-tension insulators is not influenced, and installation space on tower rods is more reduced. The utility model has the advantages of material cost saving, good diversion, small resistance, good stability and safe power supply guarantee, the knife gate is not easy to deform and the utility model has the function of self cleaning.
Description
Technical field
The utility model relates to a kind of switch isolation switch, particularly a kind of strain insulator formula switch isolation switch.
Background technology
Existing switch isolation switch mainly is made up of channel-section steel frame, insulator, disconnecting link three parts, and its volume is heavy, installation fee expenses of labour material, the lead node is many, and resistance is big, insulator surface easily produces the pollution flashover network, and insulator and disconnecting link connecting screw are easily loosening, by twice of a light maintenance of the annual overhaul of rules.
Application number is 01131795, denomination of invention is the patent of " integrative full-insulation pole vacuum automatic load switch ", the automatic load switch that relates to a kind of 12kV of being used for distribution feeder, the pole vacuum automatic load switch of the inner serial connection of particularly a kind of integrative full-insulation isolation switch.It comprises place in the seal case and with every vacuum interrupter that interface end is connected mutually, the isolation switch that places in the seal case and be connected in series mutually with vacuum interrupter, it is characterized in that: what be connected in series respectively between vacuum interrupter and isolation switch has an insulation axle, be used for driving respectively cut-offfing of vacuum interrupter and isolation switch, and operating mechanism placed in the seal case, with the action of direct driving insulation axle.Operating mechanism, isolation switch and vacuum interrupter, in the seal case of zeroize in all being fixed on gauge pressure SF6 gas or dry air, overall tightness is good, effectively prevents the moisture intrusion, improves the reliability of complete machine.
Its claim be " integrative full-insulation pole vacuum automatic load switch; it comprise place in the seal case and with every vacuum interrupter that interface end is connected mutually; the isolation switch that places in the seal case and be connected in series mutually with vacuum interrupter; it is characterized in that: what be connected in series respectively between vacuum interrupter and isolation switch has an insulation axle; be used for driving respectively cut-offfing of vacuum interrupter and isolation switch; and operating mechanism placed in the seal case, with the action of direct driving insulation spool.”
Application number is 86208982, the utility model name is called the patent of " high voltage isolator operating mechanism ", relate to a kind of high voltage isolator operating mechanism, it is characterized in that the operator lock and the ground connection disconnecting link that use an operating grip that is connected with universal movable joint to come the actuating high voltage isolator, realize operator lock, ground connection disconnecting link program separating brake and combined floodgate in accordance with regulations.The utility model is simple in structure, easy to operate, safe and reliable, is a kind of desirable indoor outer high voltage isolator operating mechanism.
Its claim is that " a kind of high voltage isolator operating mechanism; it comprises a base, an operating grip, an operator lock output arm, a ground connection disconnecting link output arm, a main shaft, two hold-down screws, two spring catch; it is characterized in that having on the main shaft the universal movable joint of a rotation, universal movable joint connects together between operator lock output arm garden lid and ground connection disconnecting link output arm garden lid and with operating grip.”
Application number is 93231517, the utility model name is called the patent of " high-voltage drop type protection switch ", discloses a kind of high-voltage drop type protection switch with isolating switch and fuse characteristics.Main member has base; connecting lever; supporting insulator; fixed contact and disconnecting link; the disconnecting link mid portion is an insulating bar, and operation insulator top is connected on the insulating bar, by falling mechanism; the fall protection device that cartridge fuse, locking mechanism constitute by the conduction yoke plate be connected in the conduction at disconnecting link two ends conjuncted on.The utility model is applicable to the small-sized transformer station of 35KV, on the outdoor frame structure voltage transformer of 10KV, on the power distribution equipment below 10KV sub power distribution branch line and the 315KVA transformer.
Its claim " a kind of high-voltage drop type protection switch; include base (2); connecting lever (3); supporting insulator (1); operation insulator (5); fixed contact (15) and disconnecting link (6); supporting insulator (1) is installed with on base (2); connecting lever (3) connects by the bottom of rotating shaft (4) with operation insulator (5); fixed contact (15) is placed on the supporting insulator (1), and disconnecting link (6) is connected in the rotating shaft on another supporting insulator (1), and can rotate around it; it is characterized in that disconnecting link (6) mid portion is one section insulating bar (10); operation insulator (5) top is connected on the insulating bar (10), by falling mechanism (7), and cartridge fuse (9); the fall protection device that locking mechanism (12) constitutes is by conduction yoke plate (11), conduction yoke plate (8) be connected in respectively the conduction at disconnecting link (6) two ends conjuncted on.”
Summary of the invention
The purpose of this utility model provides a kind of strain insulator formula switch isolation switch that is installed on the compound strain insulator of the clavate of using, and it is safe and reliable to make it save cost.
In order to realize above-mentioned purpose, the utility model strain insulator formula switch isolation switch comprises: the compound strain insulator of clavate, the left end of the compound strain insulator of clavate are connector, and right-hand member is a bulb; It is characterized in that: anchor ear fixedly flow-guiding type contact and power supply anchor ear is pinched the formula contact and is installed in respectively on the compound strain insulator of clavate; The anchor ear fixedly top or the bottom of flow-guiding type contact is connected with device clamp, and the anchor ear fixedly bottom of flow-guiding type contact is rotatably connected to disconnecting link, is fixed with on the disconnecting link and draws nose; Top or bottom that the power supply anchor ear is pinched the formula contact are connected with device clamp, and the bottom that the power supply anchor ear is pinched the formula contact is connected with pinches the formula contact.
According to described strain insulator formula switch isolation switch, it is characterized in that: the described formula contact of pinching comprises: grooved seat, grooved seat are fixed on the anchor ear plate, and the grooved seat flexibly connects a movable contact plate by adjustable elasticity bolt, another touch panel is a static contact panel, and static contact panel is an anchor ear plate.
According to described strain insulator formula switch isolation switch, it is characterized in that: the two sides of described disconnecting link are fixed with a stiffener respectively.
Anchor ear of the present utility model fixedly flow-guiding type contact, power supply anchor ear is pinched on the compound strain insulator of the direct existing powered products clavate of installation of formula contact, it does not influence the normal safe operation of the compound strain insulator of clavate, more reduced the installing space on the tower bar, the economical with materials cost, save installation work-hour, alleviate tower weight that bar bears.The utility model water conservancy diversion is good, resistance is little, disconnecting link is not yielding, good stability, self-cleaning action is arranged, and has guaranteed the reliability of safe power supply.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the fixedly left view of flow-guiding type contact 3 of device clamp 2 in the utility model and anchor ear.
The left view that Fig. 3 pinches formula contact 5 for the device clamp 2 in the utility model and power supply anchor ear.
Fig. 4 is that A among Fig. 1 is to view.
In the accompanying drawing: 1, connector; 2, device clamp; 3, the fixing flow-guiding type contact of anchor ear; 4, the compound strain insulator of clavate; 5, the power supply anchor ear is pinched the formula contact; 6, bulb; 7, pinch the formula contact; 8, disconnecting link; 9, disconnecting link draws nose; 10, stiffener; 11, grooved seat; 12, movable contact plate; 13, adjustable elasticity bolt.
Embodiment
The utility model comprises: the compound strain insulator 4 of clavate, the compound strain insulator 4 of clavate is existing procucts.The left end of the compound strain insulator 4 of clavate is a connector 1, and right-hand member is a bulb 6.Anchor ear fixedly flow-guiding type contact 3 and power supply anchor ear is pinched formula contact 5 and is installed in respectively on the compound strain insulator 4 of clavate.The anchor ear fixedly top or the bottom of flow-guiding type contact 3 is connected with device clamp 2, and device clamp 2 is existing procucts, is used to connect electric wire.The anchor ear fixedly bottom of flow-guiding type contact 3 is rotatably connected to disconnecting link 8, is fixed with on the disconnecting link 8 to draw nose 9.In order to strengthen the intensity of disconnecting link, be fixed with a stiffener 10 (in addition referring to Fig. 4) respectively in the two sides of disconnecting link 8.For convenience of disconnecting link 8 closures, the engagement edge of disconnecting link 8 is arc transition face (in addition referring to Fig. 4).Device clamp 2 and anchor ear fixedly flow-guiding type contact 3 left view as shown in Figure 2.
As shown in Figure 1, top or bottom that the power supply anchor ear is pinched formula contact 5 are connected with device clamp 2, and the bottom that the power supply anchor ear is pinched formula contact 5 is connected with pinches formula contact 7.The structure of pinching formula contact 7 is pinched formula contact 7 and is comprised in addition referring to shown in Figure 3: grooved seat 11, and grooved seat 11 is fixed on the anchor ear, and grooved seat 11 flexibly connects a movable contact plate 12 by adjustable elasticity bolt 13, and another touch panel is a static contact panel, and static contact panel is an anchor ear plate.The termination of movable contact plate and static contact panel separates respectively laterally, is convenient to disconnecting link and enters.By the distance between adjustable elasticity bolt 13 scalable movable contact plates 12 and the static contact panel, so that regulate the tightness of pinching formula contact 7.
Fixedly flow-guiding type contact 3, power supply anchor ear are pinched formula contact 5 to anchor ear of the present utility model, disconnecting link 8 adopts bronze silver-plated plate, corrosion resistant plate, stainless steel bolt and spring etc. to make.Advantage is that water conservancy diversion is good, resistance is little.The power supply anchor ear is pinched formula contact 3, the power supply anchor ear is pinched formula contact 5 and is directly installed on the compound strain insulator 4 of existing powered products clavate, it does not influence the normal safe operation of the compound strain insulator of clavate, more reduced the installing space on the tower bar, the economical with materials cost, save installation work-hour, alleviate tower weight that bar bears.The utility model water conservancy diversion is good, resistance is little, disconnecting link is not yielding, good stability, self-cleaning action is arranged, and has guaranteed the reliability of safe power supply.
Claims (3)
1, a kind of strain insulator formula switch isolation switch comprises: the compound strain insulator of clavate (4), the left end of the compound strain insulator of clavate (4) are connector (1), and right-hand member is bulb (6); It is characterized in that: anchor ear fixedly flow-guiding type contact (3) and power supply anchor ear is pinched formula contact (5) and is installed in respectively on the compound strain insulator of clavate (4); The anchor ear fixedly top or the bottom of flow-guiding type contact (3) is connected with device clamp (2), and the anchor ear fixedly bottom of flow-guiding type contact (3) is rotatably connected to disconnecting link (8), is fixed with on the disconnecting link (8) to draw nose (9); Top or bottom that the power supply anchor ear is pinched formula contact (5) are connected with device clamp (2), and the bottom that the power supply anchor ear is pinched formula contact (5) is connected with pinches formula contact (7).
2, strain insulator formula switch isolation switch according to claim 1, it is characterized in that: the described formula contact (7) of pinching comprising: grooved seat (11), grooved seat (11) is fixed on the anchor ear plate, grooved seat (11) flexibly connects a movable contact plate (12) by adjustable elasticity bolt (13), another touch panel is a static contact panel, and static contact panel is an anchor ear plate.
3, strain insulator formula switch isolation switch according to claim 1 and 2, it is characterized in that: the two sides of described disconnecting link (8) are fixed with a stiffener (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086557 CN2821838Y (en) | 2005-08-27 | 2005-08-27 | Anti-tension type isolated knife switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086557 CN2821838Y (en) | 2005-08-27 | 2005-08-27 | Anti-tension type isolated knife switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2821838Y true CN2821838Y (en) | 2006-09-27 |
Family
ID=37018393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520086557 Expired - Fee Related CN2821838Y (en) | 2005-08-27 | 2005-08-27 | Anti-tension type isolated knife switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2821838Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336554A (en) * | 2015-10-28 | 2016-02-17 | 国家电网公司 | Electrochemical corrosion-resistant fuse |
| CN109346365A (en) * | 2018-09-05 | 2019-02-15 | 国网山东省电力公司寿光市供电公司 | Outdoor use knife auxiliary switch shield |
-
2005
- 2005-08-27 CN CN 200520086557 patent/CN2821838Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336554A (en) * | 2015-10-28 | 2016-02-17 | 国家电网公司 | Electrochemical corrosion-resistant fuse |
| CN109346365A (en) * | 2018-09-05 | 2019-02-15 | 国网山东省电力公司寿光市供电公司 | Outdoor use knife auxiliary switch shield |
| CN109346365B (en) * | 2018-09-05 | 2023-09-22 | 国网山东省电力公司寿光市供电公司 | Outdoor knife switch auxiliary switch protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |