CN201117537Y - Electric connection device for high voltage isolating switch - Google Patents
Electric connection device for high voltage isolating switch Download PDFInfo
- Publication number
- CN201117537Y CN201117537Y CNU2007200928627U CN200720092862U CN201117537Y CN 201117537 Y CN201117537 Y CN 201117537Y CN U2007200928627 U CNU2007200928627 U CN U2007200928627U CN 200720092862 U CN200720092862 U CN 200720092862U CN 201117537 Y CN201117537 Y CN 201117537Y
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- CN
- China
- Prior art keywords
- conductive shield
- conductive
- fingertip
- electric connection
- high voltage
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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.)
- Expired - Lifetime
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
An electric connection device used for a high-voltage insolating isolation switch comprises a conductive tube and a conductive pedestal which is mounted at a transmission shaft which is orderly equipped with a sensing finger base, one end of a conductive cover, a cover plate and one end of a crank, wherein, the conductive pedestal and the sensing finger base are fixedly linked; one end of the conductive cover is contacted with a ball bearing sensing finger and the sensing finger base; the cover plate is fixedly connected with one end of the conductive cover; the other end of the conductive cover is inserted into the conductive tube; the conductive cover and the conductive tube are fixedly connected with the other end of the crank together by bolts. The electric connection device used for the high-voltage isolationinsolating switch reduces a conduction step, is convenient for power transmission and is in favor of the separation-consolidation movement of the conductive tube, and the structure of the utility model is very compact, is not eroded easily and ensures that the life of a the product is longer.
Description
Technical field:
The utility model relates to the conductive structure on a kind of high-tension power transmission and transformation equipment, relates in particular to a kind of conductive connecting device that high-voltage alternating current isolating switch is used that is used for.
Background technology
High-voltage alternating current isolating switch in the electric power system mainly acts on: can pass through rated current for a long time during combined floodgate, be that circuit improves obvious visible isolation fracture, easy access and protection during separating brake.Product is according to the characteristics of motion, isolating switches such as collapsible, horizontal rotation type and vertical opening type are arranged on structure model selection, motion by conductive seat when their main movement characteristic is divide-shut brake drives the contact tube action, makes contact tube be in separating brake or closing position.Jockey between product conductive seat and contact tube can either be realized motor function like this, also has good through-flow characteristic again simultaneously.Version in the past is to adopt conductive strips to add mechanical transmission structure mostly, and it has reliable characteristics.But because overall dimension is big, the conductive strips long term exposure also has himself shortcoming in atmospheric environment, so antiseptic property is poor, and profile is not attractive in appearance yet.
The applicant had once disclosed the arrangements of electric connection that a kind of high voltage isolator is used in application number is 200710189768.8 patent application, this conductive connecting device has good Motion Transmission function and conducting function, also have attractive in appearance and fine antiseptic power, but because the parts that conduction connects are more, the contact-making surface of electric-conductor is increased, therefore the chance of heating also increases, and this can influence to some extent to the useful life of conductive connecting device; In addition in 200710189768.8 patent application, contact tube in the arrangements of electric connection is between the other end of the other end of cover plate and connecting lever, they are fixed together jointly, and the filler of will packing in contact tube generally speaking is in order to guarantee product quality and assembling effect; The filler of will packing in contact tube, this has not only increased the quantity of parts in the product, and has increased trouble to assembly work.
Summary of the invention:
The purpose of this utility model provides a kind of, the arrangements of electric connection that the link that connects of being difficult for being corroded, conducting electricity is few, more compact structure, conducting function and Motion Transmission functional effect better are used for high voltage isolator
The purpose of this utility model is to adopt following technical scheme to realize: this arrangements of electric connection that is used for high voltage isolator, comprise contact tube, be sleeved on the conductive seat on the power transmission shaft, one end of one end, cover plate and the connecting lever of fingertip seat, conductive shield also is housed on power transmission shaft successively, wherein conductive seat is fixedlyed connected with the fingertip seat, one end of conductive shield contacts with the fingertip seat by the ball fingertip, cover plate is fixedlyed connected with an end of conductive shield, the other end of conductive shield inserts in the contact tube, and it is fixedlyed connected with the other end of connecting lever by bolt jointly with contact tube.
One end of conductive shield has a through hole, and this through hole is positioned at this end centre, and it is contained on the power transmission shaft, and the outside dimension of its internal diameter and power transmission shaft is complementary; The other end of conductive shield is a cylinder, and the internal diameter size of this cylindrical external diameter and contact tube is complementary, and the longitudinal center line of through hole is perpendicular on cylindrical longitudinal center line of the conductive shield other end and conductive shield one end.
Also have equally distributed hole on conductive shield, insulating bushing is all arranged in each hole, be provided with spring and a ball fingertip in the insulating bushing, the ball fingertip is also between fingertip seat outer wall and conductive shield inwall.
Between cover plate and power transmission shaft, be provided with O-ring seals
The top of fingertip seat is cylindrical for conical, bottom.
Between the cylindrical outer wall of the bottom of conductive shield one end and fingertip seat, be provided with sealing ring.
Be connected for key between power transmission shaft and the connecting lever.
Because in the arrangements of electric connection of high voltage isolator, conductive shield and contact tube all play electric action, the end with conductive shield in the utility model directly inserts in the contact tube, and they are bolted to connection jointly, has reduced the conduction link; Therefore this arrangements of electric connection is better than the arrangements of electric connection electric conductivity that the utility model people discloses in 200710189768.8 patent application; Because 200710189768.8 patent application and the utility model all are to have adopted the drive system that drives contact tube with connecting lever, directly insert in the contact tube and structure of the present utility model is a end with conductive shield, be convenient to the power transmission, more help the branch resultant motion of contact tube.The other end of conductive shield inserts in the contact tube in this device in addition, reduced the assembly of this device, its structure is very compact, not only be convenient to the assembling of product, and the position of having reduced the conducting connecting part contact, reduced the chance of generating heat, make conducting function and Motion Transmission functional effect better, in addition this device be with the ball fingertip as conducting system with relative motion, can effectively realize the conduction and the transmission agency of isolation switch device; And the ball fingertip is arranged in the structure of sealing, has prevented that effectively dust storm and rainwater from entering fingertip inside, has guaranteed that conducting system is difficult for being corroded; Make the life-span of product longer.
Description of drawings:
Fig. 1 is a structure chart of the present utility model;
Fig. 2 is the front view of conductive shield in the utility model;
Fig. 3 is that the A-A of Fig. 2 is to view;
Fig. 4 is the another kind of structural representation of conductive shield.
Embodiment:
Embodiment: this arrangements of electric connection that is used for high voltage isolator, comprise contact tube 8, be sleeved on the conductive seat 1 on the power transmission shaft 2, one end of one end, cover plate 4 and the connecting lever 3 of fingertip seat 11, conductive shield 9 also is housed on power transmission shaft 2 successively, wherein conductive seat 1 is fixedlyed connected with fingertip seat 11, and the top of fingertip seat 11 is cylindrical for conical, bottom.One end of conductive shield 9 has a through hole 9a, and this through hole is positioned at this end centre, and the outside dimension of its internal diameter and power transmission shaft 2 is complementary, and an end of conductive shield 9 is contained on the power transmission shaft 2 by through hole 9a exactly; The other end 9b of conductive shield 9 is a cylinder, and the internal diameter size of this cylindrical external diameter and contact tube 8 is complementary, and the longitudinal center line of through hole 9a is perpendicular on the longitudinal center line of conductive shield 9 other end 9b and conductive shield one end.Also have eight identical equally distributed holes 14 of size on one end of conductive shield 9, in each hole 14 insulating bushing 6 is arranged all, be provided with spring 5 and a ball fingertip 7 in the insulating bushing 6; Also between fingertip seat 11 outer walls and conductive shield 9 inwalls, this end of conductive shield 9 contacts with fingertip seat 11 by ball fingertip 7 ball fingertip 7.Conductive shield 9 other end 9b insert (being that cylinder inserts in the contact tube 8) in the contact tube 8, and it is fixedlyed connected with the other end of connecting lever 3 by bolt 13 jointly with contact tube 8.
Cover plate 4 is fixedlyed connected with an end of conductive shield 9; Between cover plate 4 and power transmission shaft 2, be provided with O RunddichtringO 16;
In order to prevent that dust storm and rainwater from entering fingertip inside, make structure have good antiseptic property, between the cylindrical outer wall of the bottom of conductive shield 9 one ends and fingertip seat 11, be provided with sealing ring 10.More stable for what sealing ring 10 was combined with parts, can seal groove 17 be set in the bottom of conductive shield 9 one ends, in this groove of during assembling sealing ring 10 being packed into.Can adopt key to be connected or other friction tight version between one end of connecting lever 3 and the power transmission shaft 2.
Hole 14 in the utility model on the conductive shield 9 also can be equally distributed 3-12 or more a plurality of, and its quantity should be decided as required, and insulating bushing 6, spring 5 and ball fingertip 7 are all arranged in each hole 14.
Fixedlying connected between fixedlying connected between conductive seat 1 and the fingertip seat 11, cover plate 4 and the conductive shield 9 preferably adopts screw 15 fixing, also can adopt pin or other form that is connected.
The other end 9b of conductive shield 9 also can be provided with annular recess on the cylinder circumference except that adopting cylinder.
Operation principle of the present utility model is:
When power transmission shaft 2 rotated, power transmission shaft 2 drove connecting lever 3 and rotates, and connecting lever 3 rotates together by the 9b that bolt 13 drives the contact tube 8 and the other end that inserts the conductive shield 9 in the contact tube 8, and conductive shield 9 plays conduction and gearing with ball fingertip 7 contacted inwalls.
Conducting system of the present utility model comprises successively: conductive seat 1 → fingertip seat 11 → ball fingertip 7 → conductive shield 9 → contact tube 8.
Dynamic transfer system of the present utility model comprises successively: power transmission shaft 2 → connecting lever 3 → bolt 13 → contact tube 8 and conductive shield 9, thereby the branch resultant motion of realization contact tube 8.
Claims (7)
1, a kind of arrangements of electric connection that is used for high voltage isolator, comprise contact tube (8), be sleeved on the conductive seat (1) on the power transmission shaft (2), it is characterized in that: fingertip seat (11) also is housed on power transmission shaft (2) successively, one end (9a) of conductive shield (9), one end of cover plate (4) and connecting lever (3), wherein conductive seat (1) is fixedlyed connected with fingertip seat (11), one end (9a) of conductive shield (9) contacts with fingertip seat (11) by ball fingertip (7), cover plate (4) is fixedlyed connected with an end (9a) of conductive shield (9), the other end (9b) of conductive shield (9) inserts in the contact tube (8), and it is fixedlyed connected with the other end of connecting lever (3) by bolt jointly with contact tube (8).
2, the arrangements of electric connection that is used for high voltage isolator according to claim 1 is characterized in that:
One end of conductive shield (9) has a through hole (9a), and this through hole is positioned at this end centre, and it is contained on the power transmission shaft (2), and the outside dimension of its internal diameter and power transmission shaft (2) is complementary; The other end (9b) of conductive shield (9) is a cylinder, the internal diameter size of this cylindrical external diameter and contact tube (8) is complementary, and the longitudinal center line of through hole (9a) is perpendicular on cylindrical longitudinal center line of conductive shield (9) other end (9b) and conductive shield (9) one ends.
3, the arrangements of electric connection that is used for high voltage isolator according to claim 1, it is characterized in that: on conductive shield (9), also have equally distributed hole (14), insulating bushing (6) is all arranged in each hole (14), be provided with a spring (5) and a ball fingertip (7) in the insulating bushing (6), ball fingertip (7) also is positioned between fingertip seat (11) outer wall and conductive shield (9) inwall.
4, according to claim 1, the 2 or 3 described arrangements of electric connections that are used for high voltage isolator, it is characterized in that: between cover plate (4) and power transmission shaft (2), be provided with O-ring seals (16)
5, the arrangements of electric connection that is used for high voltage isolator according to claim 4 is characterized in that: the top of fingertip seat (11) is cylindrical for conical, bottom.
6, the arrangements of electric connection that is used for high voltage isolator according to claim 5 is characterized in that: be provided with sealing ring (10) between the cylindrical outer wall of the bottom of conductive shield (9) one ends and fingertip seat (11).
7, the arrangements of electric connection that is used for high voltage isolator according to claim 6 is characterized in that: be connected for key between power transmission shaft (2) and the connecting lever (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200928627U CN201117537Y (en) | 2007-11-23 | 2007-11-23 | Electric connection device for high voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200928627U CN201117537Y (en) | 2007-11-23 | 2007-11-23 | Electric connection device for high voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201117537Y true CN201117537Y (en) | 2008-09-17 |
Family
ID=39992116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200928627U Expired - Lifetime CN201117537Y (en) | 2007-11-23 | 2007-11-23 | Electric connection device for high voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201117537Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441943B (en) * | 2007-11-23 | 2010-12-29 | 河南平高电气股份有限公司 | Electric connection device for high voltage isolating switch |
-
2007
- 2007-11-23 CN CNU2007200928627U patent/CN201117537Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441943B (en) * | 2007-11-23 | 2010-12-29 | 河南平高电气股份有限公司 | Electric connection device for high voltage isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080917 Effective date of abandoning: 20071123 |