CN2922101Y - Strain-resisting type high-voltage fuse protecting switch - Google Patents
Strain-resisting type high-voltage fuse protecting switch Download PDFInfo
- Publication number
- CN2922101Y CN2922101Y CN 200520126490 CN200520126490U CN2922101Y CN 2922101 Y CN2922101 Y CN 2922101Y CN 200520126490 CN200520126490 CN 200520126490 CN 200520126490 U CN200520126490 U CN 200520126490U CN 2922101 Y CN2922101 Y CN 2922101Y
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- contact
- anchor ear
- formula
- plate
- pinched
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Abstract
The utility model relates to a strain-resisting type high-voltage fuse protecting switch used for a high voltage circuit, which comprises a bar-shaped composite strain-resisting insulator, a hood pinch type contact in a current conducting terminal and in a power supply terminal is respectively arranged on the bar-shaped composite strain-resisting insulator. The hood pinch type contact in the current conducting terminal is fixedly provided with a hanging pin; the two ends of an insulating knife plate are fixedly provided with a current conducting terminal contact and a power supply terminal contact respectively, one end of the current conducting terminal contact is rotationally connected with the hanging pin of insulating knife plate through a pin hole, a fuse or a fuse strip is connected between the current conducting terminal contact and the power supply terminal contact at both ends of the insulating knife plate, the insulating knife plate is provided with an operation hole for a insulating bar. The utility model is directly arranged on the bar-shaped composite strain-resisting insulator of a prior power supply product without using an arc-arrester, the cost is saved and the weight loaded on the pole is reduced. A silver-plated copper plate and a stainless steel component can be adopted for fabrication with a favorable current conduction, small resistance and long duration. The connection of the fuse or the fuse strip on the insulating knife plate faceplate can make the fusing condition more visible.
Description
Technical field
The utility model relates to a kind of high-voltage drop type fuse protection switch, particularly a kind of strain insulator formula high-voltage fuse protection switch.
Background technology
The chief component of existing high voltage drop-out type fuse cutout is insulating porcelain bushing and fusion tube.There are clip and iron plate in the middle part of porcelain bushing, in order to fixing fuse.Last terminals are arranged at the top of porcelain bushing, and following terminals are arranged at the bottom, and in order to connecting conducting wire, terminals are with upper and lower static contact up and down.Fusion tube is made by phenolic aldehyde paper tube or epoxy glass fabric pipe, and liner is with expulsion tube.Moving contact and lower moving contact are equipped with in the fusion tube two ends, after fuse penetrates fusion tube, utilize the tension force of fuse that two moving contacts are connected.During the closure fuse, with terminals under the lower moving contact insertion of fusion tube, contact with following fixed contact with insulating rod, drag hook with insulating rod penetrates in the operation ring of fusion tube then, and the revolution fusion tube makes it moving contact and pushes terminals, contact with upper static contact, circuit is connected.Fuse is had no progeny, and the lower moving contact of fusion tube loses tension force and becomes flexible, and last moving contact is slippage downwards under the effect of spring, and fusion tube falls by the deadweight revolution, and fuse recovers off state, tangible cut-off point occurs.
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 high-voltage fuse protection switch that is directly installed on the compound strain insulator of the clavate of using, and it is safe and reliable to make it save cost.
To achieve these goals, the utility model strain insulator formula high-voltage fuse protection switch, comprising: the compound strain insulator of clavate, the left end of the compound strain insulator of clavate are connector, right-hand member is a bulb; It is characterized in that: water conservancy diversion end anchor ear is pinched formula contact and power end anchor ear and is pinched the formula contact and be installed in respectively on the compound strain insulator of clavate; Water conservancy diversion end anchor ear is pinched formula contact and power end anchor ear and is pinched on the formula contact respectively that design has wire connecting ends; The bottom that water conservancy diversion end anchor ear is pinched the formula contact is connected with a plate, is fixedly connected with an insulation disconnecting link plate on the connecting plate and hangs pin; The two ends of insulation disconnecting link plate are fixed with water conservancy diversion end contact and power end contact respectively, one end of water conservancy diversion end contact is drilled with a pin-and-hole, hanging pin by pin-and-hole and insulation disconnecting link plate articulates and is rotationally connected, be connected with fusible link or fuse link between the water conservancy diversion end contact at the two ends of insulation disconnecting link plate and the power end contact, insulation disconnecting link twist drill has the insulating rod handle hole; Water conservancy diversion end contact and power end contact lock respectively are incorporated into that water conservancy diversion end anchor ear is pinched the formula contact and the power end anchor ear is pinched in the formula contact.
According to described strain insulator formula high-voltage fuse protection switch, it is characterized in that: described power end anchor ear is pinched the formula contact and is comprised: two anchor ear plates, have bolt on the anchor ear plate, and be installed on the compound strain insulator of clavate by bolt; The bottom of anchor ear plate is fixed with a grooved seat, and the grooved seat is fixedly mounted on the anchor ear plate, and the grooved seat flexibly connects a movable contact plate by adjustable elasticity bolt, and another touch panel is a static contact panel, and static contact panel is an anchor ear plate.
According to described strain insulator formula high-voltage fuse protection switch, it is characterized in that: described connector is a right angle link plate formula connector, is connected with the right angle link plate on the right angle link plate formula connector.
Water conservancy diversion end anchor ear of the present utility model is pinched the formula contact, the power end anchor ear is pinched the formula contact and is directly installed on the compound strain insulator of existing powered products clavate, without arc arrester, makes it save cost, and is easy to operate, safe and reliable.It does not influence the normal safe operation of the compound strain insulator of clavate, has more reduced the installing space on the tower bar, and the economical with materials cost is saved installation work-hour, alleviates tower weight that bar bears.The utility model is designed to right angle link plate formula coupling head to original strain insulator insulating rod bowl head, can be connected with the right angle link plate, can only move up and down during use, has strengthened the stability in the operation.The resistant of strain insulator composite insulation rod own is dodged, so need not add arc-extinction device.Water conservancy diversion end anchor ear of the present utility model is pinched the formula contact, the power end anchor ear is pinched employing sheffield plate and parts of stainless steel such as formula contact, therefore have that water conservancy diversion is good, resistance is little, service time is long, non-corrosive, good stability, self-cleaning action arranged, guaranteed the reliability of safe power supply.Fusible link or fuse link are connected on the insulation disconnecting link plate panel, are easy to see whether fusible link or fuse link fuse.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 pinches the left view of formula contact and insulation disconnecting link plate for water conservancy diversion end anchor ear among Fig. 1.
Fig. 3 pinches the left view of formula contact for power end anchor ear among Fig. 1.
In the accompanying drawing: 1, right angle link plate; 2, connector; 3, the compound strain insulator of clavate; 4, water conservancy diversion end anchor ear is pinched the formula contact; 5, wire connecting ends; 6, the power end anchor ear is pinched the formula contact; 7, bulb; 8, wire connecting ends; 9, power end contact; 10, insulating rod handle hole; 11, insulation disconnecting link plate; 12, fusible link or fuse link; 13, water conservancy diversion end contact; 14, insulation disconnecting link plate is hung pin; 15, connecting plate; 16, adjustable elasticity bolt; 17, flute profile seat; 18, movable contact plate.
Embodiment
The utility model such as Fig. 1, Fig. 2, shown in Figure 3 comprise: the compound strain insulator 3 of clavate, and the left end of the compound strain insulator 3 of clavate is a connector 2, right-hand member is a bulb 7; Water conservancy diversion end anchor ear is pinched formula contact 4 and power end anchor ear and is pinched formula contact 6 and be installed in respectively on the compound strain insulator 3 of clavate, and connector 2 is a right angle link plate formula connector, can connect right angle link plate 1 on the right angle link plate formula connector.
The power end anchor ear is pinched formula contact 6 and is comprised: two anchor ear plates, have bolt on the anchor ear plate, and be installed on the compound strain insulator 3 of clavate by bolt; The bottom of anchor ear plate is fixed with a grooved seat 17, and grooved seat 17 is fixedly mounted on the anchor ear plate, and grooved seat 17 flexibly connects a movable contact plate 18 by adjustable elasticity bolt 16, and another touch panel is a static contact panel, and static contact panel is an anchor ear plate.
Water conservancy diversion end anchor ear is pinched formula contact 4 and power end anchor ear and is pinched on the formula contact 6 respectively that design has wire connecting ends 5; The bottom that water conservancy diversion end anchor ear is pinched formula contact 4 is connected with a plate 15, is fixedly connected with an insulation disconnecting link plate on the connecting plate 15 and hangs pin 14; The two ends of insulation disconnecting link plate 11 are fixed with water conservancy diversion end contact 13 and power end contact 9 respectively, one end of water conservancy diversion end contact 13 is drilled with a pin-and-hole, hanging pin 14 by pin-and-hole and insulation disconnecting link plate articulates and is rotationally connected, be connected with fusible link or fuse link 12 between the water conservancy diversion end contact 13 at the two ends of insulation disconnecting link plate 11 and the power end contact 9, insulation disconnecting link plate 11 is drilled with insulating rod handle hole 10; Water conservancy diversion end contact 13 and power end contact 9 lock respectively are incorporated into that water conservancy diversion end anchor ear is pinched formula contact 4 and the power end anchor ear is pinched in the formula contact 6.
Insulation disconnecting link plate of the present utility model adopts epoxy resin bonded fiber to make, and insulate, the intensity height, can install to connect fusible link or fuse link, because fusible link or fuse link be connected on the disconnecting link plate face that insulate, and the very easy whether fusing of seeing fusible link or fuse link.
Water conservancy diversion end anchor ear of the present utility model is pinched the formula contact, the power end anchor ear is pinched the formula contact and directly installed on the compound strain insulator of existing powered products clavate, without arc arrester, make it save cost, reduced the connecting wire joint, material and installation work-hour have been saved, easy to operate, guaranteed safe power supply.In use, reduced and designed program, reduced installing space on the shaft tower, alleviated the gravity that shaft tower bore.Water conservancy diversion end anchor ear of the present utility model is pinched the formula contact, the power end anchor ear is pinched employing sheffield plate and parts of stainless steel such as formula contact, therefore have that water conservancy diversion is good, resistance is little, service time is long, non-corrosive, good stability, self-cleaning action arranged, guaranteed the reliability of safe power supply.
Claims (3)
1, a kind of strain insulator formula high-voltage fuse protection switch, comprising: the compound strain insulator of clavate (3), the left end of the compound strain insulator of clavate (3) they are connector (2), right-hand member is bulb (7); It is characterized in that: water conservancy diversion end anchor ear is pinched formula contact (4) and power end anchor ear and is pinched formula contact (6) and be installed in respectively on the compound strain insulator of clavate (3); Water conservancy diversion end anchor ear is pinched formula contact (4) and power end anchor ear and is pinched on the formula contact (6) respectively that design has wire connecting ends (5); The bottom that water conservancy diversion end anchor ear is pinched formula contact (4) is connected with a plate (15), is fixedly connected with an insulation disconnecting link plate on the connecting plate (15) and hangs pin (14); The two ends of insulation disconnecting link plate (11) are fixed with water conservancy diversion end contact (13) and power end contact (9) respectively, one end of water conservancy diversion end contact (13) is drilled with a pin-and-hole, hang pin 14 by pin-and-hole and insulation disconnecting link plate) articulate and be rotationally connected, be connected with fusible link or fuse link (12) between the water conservancy diversion end contact (13) at the two ends of insulation disconnecting link plate (11) and the power end contact (9), insulation disconnecting link plate (11) is drilled with insulating rod handle hole (10); Water conservancy diversion end contact (13) and power end contact (9) lock respectively are incorporated into that water conservancy diversion end anchor ear is pinched formula contact (4) and the power end anchor ear is pinched in the formula contact (6).
2, strain insulator formula high-voltage fuse protection switch according to claim 1, it is characterized in that: described power end anchor ear is pinched formula contact (6) and being comprised: two anchor ear plates, have bolt on the anchor ear plate, be installed on the compound strain insulator of clavate (3) by bolt; The bottom of anchor ear plate is fixed with a grooved seat (17), and grooved seat (17) is fixedly mounted on the anchor ear plate, and grooved seat (17) flexibly connects a movable contact plate (18) by adjustable elasticity bolt (16), and another touch panel is a static contact panel, and static contact panel is an anchor ear plate.
3, strain insulator formula high-voltage fuse protection switch according to claim 1, it is characterized in that: described connector (2) is a right angle link plate formula connector, is connected with right angle link plate (1) on the right angle link plate formula connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520126490 CN2922101Y (en) | 2005-12-25 | 2005-12-25 | Strain-resisting type high-voltage fuse protecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520126490 CN2922101Y (en) | 2005-12-25 | 2005-12-25 | Strain-resisting type high-voltage fuse protecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2922101Y true CN2922101Y (en) | 2007-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520126490 Expired - Fee Related CN2922101Y (en) | 2005-12-25 | 2005-12-25 | Strain-resisting type high-voltage fuse protecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2922101Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280228A (en) * | 2011-07-29 | 2011-12-14 | 浙江金凤凰电气有限公司 | Insulator with fixing structure |
| CN107545964A (en) * | 2016-06-27 | 2018-01-05 | 江苏新澳电力技术有限公司 | A kind of insulating shield |
-
2005
- 2005-12-25 CN CN 200520126490 patent/CN2922101Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280228A (en) * | 2011-07-29 | 2011-12-14 | 浙江金凤凰电气有限公司 | Insulator with fixing structure |
| CN102280228B (en) * | 2011-07-29 | 2013-01-16 | 浙江金凤凰电气有限公司 | Insulator with fixing structure |
| CN107545964A (en) * | 2016-06-27 | 2018-01-05 | 江苏新澳电力技术有限公司 | A kind of insulating shield |
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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 |