CN205692783U - A kind of chopper and insulated tension pole assembly thereof - Google Patents
A kind of chopper and insulated tension pole assembly thereof Download PDFInfo
- Publication number
- CN205692783U CN205692783U CN201620567505.0U CN201620567505U CN205692783U CN 205692783 U CN205692783 U CN 205692783U CN 201620567505 U CN201620567505 U CN 201620567505U CN 205692783 U CN205692783 U CN 205692783U
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- CN
- China
- Prior art keywords
- connecting rod
- tension pole
- insulated tension
- annular protrusion
- pilot hole
- Prior art date
- 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 - Fee Related
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Abstract
This utility model relates to a kind of chopper and insulated tension pole assembly thereof.nullThis chopper includes insulated tension pole assembly，Insulated tension pole assembly includes connecting rod and the insulated tension pole front and back arranged，Insulated tension pole is provided with the pilot hole that guide direction extends along the longitudinal direction，Connecting rod is provided with the guiding for coordinating with pilot hole slide-and-guide and coordinates section，The spring for providing active force forward to connecting rod when breaker closing it is provided with between insulated tension pole and connecting rod，Connecting rod and/or insulated tension pole are provided with in the pilot hole part with guiding on rear side of section of the gas for being directed to during connecting rod rearward movement in the pilot hole part on rear side of cooperation section the pressure release passage discharged，Existence due to pressure release passage，During breaker closing during connecting rod opposing insulation pull bar rearward movement，Avoid the generation of " inflator effect "，Make the dynamic of chopper、Contact pressure between static contact is unaffected，Ensure that actual pressure is consistent with design pressure.
Description
Technical field
This utility model belongs to breaker technical field, is specifically related to a kind of chopper and insulated tension pole assembly thereof.
Background technology
In field of power transmission, the application of chopper is widely.Insulated tension pole is the critical component of chopper, insulated tension pole one
End is in transmission connection with spring operation, and the other end is connected, at spring operation with the moving contact transmission of vacuum interrupter
Under quick acting, insulated tension pole drives the moving contact motion of vacuum interrupter, it is achieved the dynamic and static contact of vacuum interrupter quickly divides
Close a floodgate.The dynamic and static contact of arc-chutes close a floodgate time, dynamic and static contact contacts, it is necessary to apply certain pressure so that dynamic and static touch
Head keeps good electrical contact, and the size of this pressure is the important parameter of chopper.
Such as, Authorization Notice No. is CN 201503810 U, in entitled indoor high-voltage vacuum circuit breaker insulation pull
State's patent discloses a kind of insulated tension pole (being equivalent to insulated tension pole assembly), and insulated tension pole includes the link insulator front and back arranged
And connecting rod, link insulator has the insulator endoporus of one end open, is provided with cup-shaped inserts, cup-shaped inserts in insulator endoporus
Having the inserts endoporus that axis extends along the longitudinal direction, the outer peripheral face of connecting rod is provided with for joining with inserts endoporus slide-and-guide
Close annular protrusion, between the bottom of annular protrusion and inserts endoporus top be provided with when breaker closing to connecting rod provide to
The spring of front active force, the opening of inserts endoporus is provided with nut, and nut coordinates to limit connecting rod with annular protrusion block
The mobile limit moved forward.Chopper is when closing a floodgate, and spring-compressed a certain amount is so that keeping certain between dynamic and static contact
Contact pressure so that dynamic and static contact keeps good electrical contact, and between dynamic and static contact, the size of contact pressure is to be carried by spring
Confession.But, in order to ensure that connecting rod coordinates with the guiding of inserts endoporus, between annular protrusion and the inserts inner hole wall of connecting rod
Fit clearance is the least, and when breaker closing, connecting rod is moved rearwards by relative to link insulator, in the inserts on rear side of annular protrusion
Gas compression in bore portion, namely can produce " inflator effect ", and " inflator effect " can affect the contact between dynamic and static contact
Pressure so that the actual pressure between dynamic and static contact does not corresponds with Design Theory pressure, the mechanical performance making chopper is sent out by this
Changing, affects the service life of chopper.
Utility model content
The purpose of this utility model is to provide a kind of insulated tension pole assembly, and to solve, connecting rod is relative with insulated tension pole transports
Move and can produce " inflator effect " and then the technology making the actual pressure between the dynamic and static contact of chopper not correspond with design pressure
Problem.The purpose of this utility model also resides in a kind of chopper with above-mentioned insulated tension pole assembly of offer.
The technical scheme of insulated tension pole assembly in this utility model: a kind of insulated tension pole assembly, including the company front and back arranged
Extension bar and insulated tension pole, insulated tension pole is provided with the pilot hole that guide direction extends along the longitudinal direction, connecting rod be provided with for
The guiding that coordinates with pilot hole slide-and-guide coordinates section, be provided with between insulated tension pole and connecting rod for when breaker closing to
Connecting rod provides the spring of active force forward, it is characterised in that: connecting rod and/or insulated tension pole are provided with in connecting rod
It is directed to coordinate the pilot hole with guiding on rear side of section of the gas in the pilot hole part on rear side of section during rearward movement
The pressure release passage discharged in part.
Connecting rod includes mobile jib section and the annular protrusion of the outer peripheral face being located at mobile jib section, and described guiding coordinates section to be annular
Projection, pressure release passage is located on annular protrusion with the gas of both sides before and after conducting annular protrusion.
Pressure release passage is to be located at the breach at the outer rim of annular protrusion.
Insulated tension pole is provided with for coordinating with annular protrusion block to limit the mobile limit that moves forward of connecting rod
Position limiting structure.
Insulated tension pole includes link insulator and cup-shaped inserts, and link insulator is provided with what length extended along the longitudinal direction
Insulator endoporus, cup-shaped inserts is located in insulator endoporus, and cup-shaped inserts has the inserts endoporus that axis extends along the longitudinal direction,
Pilot hole is made up of inserts endoporus.
The bottom of inserts endoporus is provided with groove of stepping down, and the bottom land of groove of stepping down coordinates to limit connecting rod with connecting rod block
The mobile limit being moved rearwards by.
The technical scheme of chopper in this utility model: a kind of chopper, including insulated tension pole assembly, insulated tension pole assembly
Including the connecting rod front and back arranged and insulated tension pole, insulated tension pole is provided with the pilot hole that guide direction extends along the longitudinal direction,
Connecting rod is provided with guiding for coordinating with pilot hole slide-and-guide and coordinates section, be provided with between insulated tension pole and connecting rod for
Spring at breaker closing phase connecting rod offer active force forward, it is characterised in that: in connecting rod and/or insulated tension pole
It is provided with and is joined by guiding for the gas being directed to during connecting rod rearward movement in the pilot hole part on rear side of cooperation section
Close the pressure release passage discharged in the pilot hole part on rear side of section.
Connecting rod includes mobile jib section and the annular protrusion of the outer peripheral face being located at mobile jib section, and described guiding coordinates section to be annular
Projection, pressure release passage is located on annular protrusion with the gas of both sides before and after conducting annular protrusion.
Pressure release passage is to be located at the breach at the outer rim of annular protrusion.
Insulated tension pole is provided with for coordinating with annular protrusion block to limit the mobile limit that moves forward of connecting rod
Position limiting structure.
The beneficial effects of the utility model are: connecting rod and/or insulated tension pole are provided with at connecting rod rearward movement
During the gas that is directed to coordinate in the pilot hole part on rear side of section row in pilot hole part on rear side of section from guide withs
The pressure release passage gone out.Due to the existence of pressure release passage, during breaker closing during connecting rod opposing insulation pull bar rearward movement,
The gas guided in the pilot hole part coordinated on rear side of section discharged by pressure release passage, it is to avoid the generation of " inflator effect " so that
Contact pressure between the dynamic and static contact of chopper is unaffected, it is ensured that actual pressure is consistent with design pressure.
Accompanying drawing explanation
Fig. 1 is the structural representation of insulated tension pole assembly in the embodiment of chopper in this utility model；
Fig. 2 is the structural representation of connecting rod in the embodiment of chopper in this utility model.
In figure: 1, link insulator；2, connecting rod；3, inserts endoporus；4, cup-shaped inserts；5, annular protrusion；6, spring；7、
Breach；8, nut；9, spline plane；10, step down groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
In this utility model, the embodiment of chopper is as illustrated in fig. 1 and 2.Chopper includes vacuum interrupter and insulated tension pole
Assembly, insulated tension pole assembly includes connecting rod 2 and the insulated tension pole front and back arranged.Connecting rod 2 and the moving contact of vacuum interrupter
Transmission is connected, and insulated tension pole is connected with operating mechanism transmission.Insulated tension pole includes link insulator 1 and cup-shaped inserts 4, and pull bar is exhausted
Edge 1 is provided with the insulator endoporus that length extends along the longitudinal direction, and cup-shaped inserts 4 passes through cast molding in insulator endoporus
In, cup-shaped inserts 4 has the inserts endoporus 3 that axis extends along the longitudinal direction, the opening of inserts endoporus 3 forward, inserts endoporus 3
Bottom be provided with groove 10 of stepping down, the bottom land of groove 10 of stepping down coordinates with connecting rod 2 block and to be moved rearwards by limiting connecting rod 2
The mobile limit.Connecting rod 2 includes mobile jib section and the annular protrusion 5 of the outer peripheral face being located at mobile jib section, and the rear end of connecting rod 2 is positioned at embedding
In part endoporus 3, the annular protrusion 5 in connecting rod 2 coordinates with inserts endoporus 3 slide-and-guide in the longitudinal direction, annular protrusion 5 with
Between the bottom of inserts endoporus 3, top is provided with the spring 6 for providing active force forward to connecting rod 2 when breaker closing,
Spring 6 is disc spring.Annular protrusion 5 is provided with the pressure release passage of the gas of both sides before and after turning on annular protrusion 5, and pressure release is led to
Road is to be located at the breach 7 at the outer rim of annular protrusion 5, and the outer peripheral face of breach 7 annularly projection 5 is interval with four.In inserts
The opening in hole 3 is provided with for coordinating with annular protrusion 5 block to limit the spacing knot of the mobile limit that connecting rod 2 moves forward
Structure, position limiting structure is the nut 8 of the opening being fixedly arranged on inserts endoporus 3, and the rear end of connecting rod 2 is positioned at inserts endoporus 3, connects
The front end of bar 2 passes forward nut 8, and the outer peripheral face of connecting rod 2 is provided with the spline plane 9 for coordinating with nut 8 spline.
When the dynamic and static contact of chopper, spring 6 compresses certain stroke so that dynamic and static contact keeps certain
Contact pressure, simultaneously because the existence of breach 7, the gas between inserts endoporus 4 and annular protrusion 5 is discharged in time by breach 7.
Insulated tension pole assembly in this utility model does not change the use function of original insulated tension pole assembly, in the annular of connecting rod 2
At the outer rim of protruding 5, breach is set, solves the connecting rod when the dynamic and static contact of chopper closes a floodgate and quickly transport in inserts endoporus 3
The dynamic problem that can produce " inflator effect ", it is ensured that the accuracy of contact pressure between dynamic and static contact, meets the pressure of Design Theory
Power is consistent with actual pressure, improves the mechanical property of chopper.And, the simple in construction of the chopper in this utility model, side
Just make, safe and reliable, applied range.
In this utility model in other embodiments of chopper, position limiting structure is the gear of the opening being fixedly arranged on inserts endoporus
Circle.
In this utility model in other embodiments of chopper, saving cup-shaped inserts, the axis of insulator endoporus is along front and back
Direction extends, and insulator endoporus replaces inserts endoporus to coordinate with annular protrusion slide-and-guide as pilot hole.
In this utility model in other embodiments of chopper, the rear end of connecting rod is isometrical cylindrical section, cylindrical section generation
Section is coordinated to coordinate with inserts endoporus slide-and-guide for annular protrusion as guiding.
In this utility model in other embodiments of chopper, spring 6 is extension spring, extension spring be located at annular protrusion and nut it
Between for providing active force forward when breaker closing to connecting rod.
In this utility model in other embodiments of chopper, pressure release passage is that the length being located on annular protrusion is along front and back
The through hole that direction extends is in order to turn on the gas of both sides before and after annular protrusion.
In this utility model in other embodiments of chopper, pressure release passage is the conducting annular protrusion being located in mobile jib section
The passage of pilot hole part and air of rear side, by pressure release passage by the gas of the pilot hole part of the rear side of annular protrusion
It is discharged in air.
In this utility model in other embodiments of chopper, pressure release passage be located on cup-shaped inserts for turning on ring
The passage of the gas of both sides before and after shape projection.
In this utility model in other embodiments of chopper, pressure release passage is the through hole of the radial direction being located at insulated tension pole,
This through hole is for turning on pilot hole part and the air of the rear side of annular protrusion, by the guiding of the rear side of this through hole annular protrusion
The gas of bore portion is discharged in air
In this utility model, the embodiment of insulated tension pole assembly is as illustrated in fig. 1 and 2: the structure of insulated tension pole assembly and open circuit
In the embodiment of device, the structure of insulated tension pole assembly is identical, no longer repeats at this.
Claims (10)
1. an insulated tension pole assembly, including the connecting rod front and back arranged and insulated tension pole, insulated tension pole is provided with guide direction
The pilot hole extended along the longitudinal direction, connecting rod is provided with the guiding for coordinating with pilot hole slide-and-guide and coordinates section, insulation
Being provided with the spring for providing active force forward to connecting rod when breaker closing between pull bar and connecting rod, its feature exists
In: connecting rod and/or insulated tension pole are provided with for being directed to leading on rear side of cooperation section during connecting rod rearward movement
The pressure release passage that gas in bore portion is discharged in pilot hole part on rear side of section with guiding.
Insulated tension pole assembly the most according to claim 1, it is characterised in that: connecting rod includes mobile jib section and is located at mobile jib section
The annular protrusion of outer peripheral face, described guiding coordinates section to be annular protrusion, and pressure release passage is located on annular protrusion to turn on ring
The gas of both sides before and after shape projection.
Insulated tension pole assembly the most according to claim 2, it is characterised in that: pressure release passage is the outer rim being located at annular protrusion
The breach at place.
Insulated tension pole assembly the most according to claim 2, it is characterised in that: insulated tension pole be provided with for annular protrusion
Block coordinates to limit the position limiting structure of the mobile limit that connecting rod moves forward.
Insulated tension pole assembly the most according to claim 1, it is characterised in that: insulated tension pole includes link insulator and cup-shaped
Inserts, link insulator is provided with the insulator endoporus that length extends along the longitudinal direction, and cup-shaped inserts is located in insulator endoporus,
Cup-shaped inserts has the inserts endoporus that axis extends along the longitudinal direction, and pilot hole is made up of inserts endoporus.
Insulated tension pole assembly the most according to claim 5, it is characterised in that: the bottom of inserts endoporus is provided with groove of stepping down,
The bottom land of groove of stepping down coordinates with connecting rod block to limit the mobile limit that connecting rod is moved rearwards by.
7. a chopper, including insulated tension pole assembly, insulated tension pole assembly includes connecting rod and the insulated tension pole front and back arranged,
Insulated tension pole is provided with the pilot hole that guide direction extends along the longitudinal direction, connecting rod be provided with for pilot hole slide-and-guide
The guiding coordinated coordinates section, is provided with for providing forward to connecting rod when breaker closing between insulated tension pole and connecting rod
The spring of active force, it is characterised in that: connecting rod and/or insulated tension pole are provided with for during connecting rod rearward movement
It is directed to coordinate the pressure release of discharge in the pilot hole part from guide withs on rear side of section of the gas in the pilot hole part on rear side of section
Passage.
Chopper the most according to claim 7, it is characterised in that: connecting rod includes mobile jib section and is located at the periphery of mobile jib section
The annular protrusion in face, described guiding coordinates section to be annular protrusion, and pressure release passage is located on annular protrusion to turn on annular protrusion
The gas of both sides front and back.
Chopper the most according to claim 8, it is characterised in that: pressure release passage is to be located at lacking at the outer rim of annular protrusion
Mouthful.
Chopper the most according to claim 7, it is characterised in that: insulated tension pole be provided with for annular protrusion block
Coordinate to limit the position limiting structure of the mobile limit that connecting rod moves forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567505.0U CN205692783U (en) | 2016-06-13 | 2016-06-13 | A kind of chopper and insulated tension pole assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567505.0U CN205692783U (en) | 2016-06-13 | 2016-06-13 | A kind of chopper and insulated tension pole assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205692783U true CN205692783U (en) | 2016-11-16 |
Family
ID=57428262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620567505.0U Expired - Fee Related CN205692783U (en) | 2016-06-13 | 2016-06-13 | A kind of chopper and insulated tension pole assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205692783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230563A (en) * | 2017-06-06 | 2017-10-03 | 思源电气股份有限公司 | Speed-sensitive switch |
-
2016
- 2016-06-13 CN CN201620567505.0U patent/CN205692783U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230563A (en) * | 2017-06-06 | 2017-10-03 | 思源电气股份有限公司 | Speed-sensitive switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20200613 |