CN204315442U - A kind of connecting rod actuator being applied to primary cut-out - Google Patents
A kind of connecting rod actuator being applied to primary cut-out Download PDFInfo
- Publication number
- CN204315442U CN204315442U CN201420854233.3U CN201420854233U CN204315442U CN 204315442 U CN204315442 U CN 204315442U CN 201420854233 U CN201420854233 U CN 201420854233U CN 204315442 U CN204315442 U CN 204315442U
- Authority
- CN
- China
- Prior art keywords
- stationary links
- rod
- connecting rod
- movable contact
- jointed shaft
- 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
The utility model discloses a kind of connecting rod actuator being applied to primary cut-out, comprise drive rod, lower link, the first stationary links, rocking bar, the second stationary links, upper connecting rod, movable contact rod.Each component of this mechanism adopts hinged each other, and wherein the first stationary links, the second stationary links are on location for being fixedly hinged, and all the other adjacent members are for being movably hinged, and movable contact rod is translation gliding in gathering sill.Drive rod bar is directly connected with the hydraulic cylinder of hydraulic operating system, as in divide-shut brake process as power source, through intermediate member transmission, realize the Engage and disengage of movable contact rod and arc control device fixed contact.Linkage reliability of the present utility model is strong, and component is few, and break performance is good, and efficiency is high, and this mechanism structure is compact, and overall volume is little, lightweight.
Description
Technical field
The utility model relates to a kind of connecting rod actuator being applied to primary cut-out.
Background technology
High voltage power transmission is mainly used in remote large capacity transmission, line corridor can be reduced, reduce transmission loss, alleviate environmental pollution, improve operation of power networks reliability and optimize energy resources, having significant social and economic benefits, is the important development direction of future world electric power network technique.Since reform and opening-up in 1978, Chinese national economy maintains sustained and rapid growth, and economic fast development must drive the fast development of power industry.Circuit breaker is the crucial control appliance of power transmission electric network, plays a part to control and ensure system safety work in electrical network.Although have passed through the development of decades, the key technology of circuit breaker and overall performance obtain remarkable lifting, and circuit breaker especially primary cut-out is still the link that in electric power system, failure rate is higher.According to statistics, all types breaker mechanical fault proportion is very high, and the reliability of circuit breaker depends on the reliability of system mechanics performance to a great extent.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of connecting rod actuator being applied to primary cut-out.Solve some technical problems existing for actual condition; Provide that a kind of number of components is few, transmission is effective, the actuator of what spatial volume was little be applied to primary cut-out.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of connecting rod actuator being applied to primary cut-out comprises drive rod, lower link, the first stationary links, rocking bar, the second stationary links, upper connecting rod, movable contact rod;
The rear end of described drive rod is directly connected with the hydraulic cylinder piston rod of hydraulic actuating mechanism, the front end of drive rod and the lower end jointed shaft A of lower link; The upper end of lower link and the OB of the first stationary links hold jointed shaft B; First stationary links is hinged by fixed pin shaft O on desired location;
The OC of rocking bar lower end and the first stationary links holds jointed shaft C, and the O ' D of rocking bar and the second stationary links holds jointed shaft D; O ' the E of upper connecting rod left end and the second stationary links holds jointed shaft E; Connecting rod right-hand member and movable contact rod jointed shaft F, secondary in the desired location setting slippage of movable contact rod.
The utility model tool has the following advantages:
1, each component of this mechanism is rod member, and process for machining and manufacturing is simple.
2, in combined floodgate, separating brake process, by the gearratio regulating the position of the fixed pin shaft in stationary links to regulate this actuator.
3, this actuator's component is few, and shared spatial volume is little.
Accompanying drawing explanation
Structural representation when accompanying drawing 1 is the utility model actuator closing position;
Structural representation when accompanying drawing 2 is the utility model actuator open positions;
In figure, drive rod 1, lower link 2, first stationary links 3, rocking bar 4, second stationary links 5, upper connecting rod 6, movable contact rod 7.
Embodiment
Below by embodiment, and integrated structure signal accompanying drawing, actuator of the present utility model and drive method thereof are described in further detail.
Embodiment:
Consult shown in Fig. 1,2: the utility model provides a kind of connecting rod actuator being applied to primary cut-out and comprises drive rod 1, lower link 2, first stationary links 3, rocking bar 4, second stationary links 5, upper connecting rod 6, movable contact rod 7;
The rear end of described drive rod 1 is directly connected with the hydraulic cylinder piston rod of hydraulic actuating mechanism, the front end of drive rod 1 and the lower end jointed shaft A of lower link 2; The upper end of lower link 2 and the OB of the first stationary links 3 hold jointed shaft B; First stationary links 3 is hinged by fixed pin shaft O on desired location;
The OC of rocking bar 4 lower end and the first stationary links 3 holds jointed shaft C, and the O ' D of rocking bar 4 and the second stationary links 5 holds jointed shaft D; O ' the E of upper connecting rod 6 left end and the second stationary links 5 holds jointed shaft E; Connecting rod 6 right-hand member and movable contact rod 7 jointed shaft F, secondary in the desired location setting slippage of movable contact rod 7.
Consult shown in Fig. 1,2, the connecting rod actuator drive method of primary cut-out is as follows:
In making process, drive rod 1 is slided as the load input point of actuator to the left by the hydraulic cylinder piston rod of hydraulic system, lower link 2 is driven to move, lower link 2 drives the first stationary links 3 to rotate clockwise around fixed pin shaft O, first stationary links 3 drive rocker 4 swings, rocking bar 4 drives the second stationary links 5 to rotate clockwise around fixed pin shaft O ', second stationary links 5 drives upper connecting rod 6 to move, upper connecting rod 6 drives movable contact rod 7 to slide near fixed contact side level to the right, realizes the joint of moving contact and fixed contact.
In separating brake process, drive rod 1 by the hydraulic cylinder piston rod of hydraulic system as actuator load input point to the right, lower link 2 is driven to move, lower link 2 drives the first stationary links 3 to rotate counterclockwise around fixed pin shaft O, first stationary links 3 drive rocker 4 swings, rocking bar 4 drives the second stationary links 5 to rotate counterclockwise around fixed pin shaft O ', second stationary links 5 drives upper connecting rod 6 to move, upper connecting rod 6 drives movable contact rod 7 to slide away from fixed contact side level to the right, realizes the cut-out of moving contact and fixed contact.
Concrete embodiment described herein is only to the explanation for example of the utility model spirit, the utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (1)
1. be applied to a connecting rod actuator for primary cut-out, it is characterized in that, comprise drive rod (1), lower link (2), the first stationary links (3), rocking bar (4), the second stationary links (5), upper connecting rod (6), movable contact rod (7); The rear end of described drive rod (1) is directly connected with the hydraulic cylinder piston rod of hydraulic actuating mechanism, the front end of drive rod (1) and the lower end jointed shaft A of lower link (2); The upper end of lower link (2) and the OB of the first stationary links (3) hold jointed shaft B; First stationary links (3) is hinged by fixed pin shaft O on desired location; The OC of rocking bar (4) lower end and the first stationary links (3) holds jointed shaft C, and rocking bar (4) holds jointed shaft D with the O ' D of the second stationary links (5); O ' the E of upper connecting rod (6) left end and the second stationary links (5) holds jointed shaft E; Connecting rod (6) right-hand member and movable contact rod (7) jointed shaft F, secondary in the desired location setting slippage of movable contact rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854233.3U CN204315442U (en) | 2014-12-30 | 2014-12-30 | A kind of connecting rod actuator being applied to primary cut-out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854233.3U CN204315442U (en) | 2014-12-30 | 2014-12-30 | A kind of connecting rod actuator being applied to primary cut-out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204315442U true CN204315442U (en) | 2015-05-06 |
Family
ID=53137745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420854233.3U Expired - Fee Related CN204315442U (en) | 2014-12-30 | 2014-12-30 | A kind of connecting rod actuator being applied to primary cut-out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204315442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971904A (en) * | 2017-05-15 | 2017-07-21 | 上海交通大学 | Vacuum circuit breaker closing transmission mechanism |
-
2014
- 2014-12-30 CN CN201420854233.3U patent/CN204315442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971904A (en) * | 2017-05-15 | 2017-07-21 | 上海交通大学 | Vacuum circuit breaker closing transmission mechanism |
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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 |
Granted publication date: 20150506 Termination date: 20161230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |