CN201616357U - Swinging leader-type electric operating mechanism used for circuit breaker - Google Patents
Swinging leader-type electric operating mechanism used for circuit breaker Download PDFInfo
- Publication number
- CN201616357U CN201616357U CN2010201241125U CN201020124112U CN201616357U CN 201616357 U CN201616357 U CN 201616357U CN 2010201241125 U CN2010201241125 U CN 2010201241125U CN 201020124112 U CN201020124112 U CN 201020124112U CN 201616357 U CN201616357 U CN 201616357U
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- China
- Prior art keywords
- travelling gear
- operating mechanism
- circuit breaker
- electric operating
- transmission gear
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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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Abstract
The utility model relates to a swinging leader-type electric operating mechanism used for a circuit breaker. According to the technical scheme provided in the utility model, the swinging leader-type electric operating mechanism used for the circuit breaker comprises a first transmission gear, a second transmission gear and a worm of a motor, rotatablely arranged in a shell of a speed reducing box; the worm is engaged with the first transmission gear; the first transmission gear is engaged with the second transmission gear; the second transmission gear is fixed with an eccentric shaft; the shell of the speed reducing box is provided with a pin shaft which is hinged with a swinging rod; the swinging rod is provided with an output tooth part; the swinging rod is provided with a waist-shaped hole; and the eccentric shaft is inserted into the waist-shaped hole. In the utility model, as a transmission angle of the leader mechanism is always equal to 90 degrees, the electric operating mechanism has excellent force transmitting performance and has the advantages of simple structure, small volume and the like.
Description
Technical field
The utility model relates to a kind of motor-operating mechanism, especially a kind of rocking guide rod type electric operating mechanism for circuit breaker.
Background technology
To miniaturization, automation and intelligent direction development, and, directly determined the degree of contemporary low-voltage circuit breaker miniaturization at current low-voltage circuit breaker as the miniaturization of the core apparatus motor-operating mechanism of its automation mechanized operation.The used motor-operating mechanism of low-voltage circuit breaker adopts worm and gear to add the method that gear train slows down mostly at present, and nearly 8～10 of general gears are difficult to reduced volume, reach the requirement of current miniaturization.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, volume is little, output torque is big motor-operating mechanism that has pendulum guide rod type is provided.
The technical scheme that provides according to the utility model, described rocking guide rod type electric operating mechanism for circuit breaker, comprise that motor rotates first travelling gear, second travelling gear and the worm screw of setting up in the reduction box housing, worm screw and the engagement of first travelling gear, first travelling gear and the engagement of second travelling gear, on second travelling gear, be installed with eccentric shaft, on the reduction box housing, bearing pin is installed, be hinged with fork on the bearing pin, fork has output gear portion, offer mounting hole on fork, described eccentric shaft is inserted in the mounting hole.
The axle center of eccentric shaft to the distance in the axle center of second travelling gear less than the axle center of bearing pin distance to the axle center of second travelling gear.
The utility model has good transmission force property, and the utlity model has advantages such as simple in structure, that volume is little because the drive line angle of guide-bar mechanism equals 90 degree all the time.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is an operation principle schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: this rocking guide rod type electric operating mechanism for circuit breaker, comprise that motor rotates first travelling gear 2, second travelling gear 3 and worm screw 4 that sets up in reduction box 1 housing, worm screw 4 and 2 engagements of first travelling gear, first travelling gear 2 and 3 engagements of second travelling gear, on second travelling gear 3, be installed with eccentric shaft 5, on reduction box 1 housing, bearing pin 6 is installed, be hinged with fork 7 on the bearing pin 6, fork 7 has output gear portion 7.1, offer mounting hole 8 on fork 7, described eccentric shaft 5 is inserted in the mounting hole 8.
Worm screw 4 on the motor 9 drives to first travelling gear 2, drives to second travelling gear 3 by first travelling gear 2, by the eccentric shaft 5 on second travelling gear 3 moment is passed on the fork 7, by 7.1 outputs of the output gear portion on the fork 7.The cardinal principle of its output is to constitute an oscillating guidebar mechanism by eccentric shaft 5 and fork 7 on second travelling gear 3, second travelling gear 3.
By operation principle schematic diagram in the accompanying drawing 2 as seen, get second travelling gear 3 and be driving link, when the clockwise complete cycles revolution of second travelling gear 3, the axle center of eccentric shaft 5 to the distance in the axle center of second travelling gear 3 less than the axle center of bearing pin 6 distance, i.e. L to the axle center of second travelling gear 3
AB＞L
BC, fork 7 can only be that reciprocally swinging is made in the center of circle with 6 of bearing pins, and its pivot angle is ψ (equaling polarincludedangle), and the drive line angle γ of guide-bar mechanism equals 90 degree all the time, has good transmission force property.
Claims (2)
1. rocking guide rod type electric operating mechanism for circuit breaker, it is characterized in that: comprise that motor rotates first travelling gear (2) that sets up in reduction box (1) housing, second travelling gear (3) and worm screw (4), worm screw (4) and first travelling gear (2) engagement, first travelling gear (2) and second travelling gear (3) engagement, on second travelling gear (3), be installed with eccentric shaft (5), on reduction box (1) housing, bearing pin (6) is installed, be hinged with fork (7) on the bearing pin (6), fork (7) has output gear portion (7.1), offer mounting hole (8) on fork (7), described eccentric shaft (5) is inserted in the mounting hole (8).
2. rocking guide rod type electric operating mechanism for circuit breaker as claimed in claim 1 is characterized in that: the axle center of eccentric shaft (5) to the distance in the axle center of second travelling gear (3) less than the axle center of bearing pin (6) distance to the axle center of second travelling gear (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201241125U CN201616357U (en) | 2010-02-24 | 2010-02-24 | Swinging leader-type electric operating mechanism used for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201241125U CN201616357U (en) | 2010-02-24 | 2010-02-24 | Swinging leader-type electric operating mechanism used for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201616357U true CN201616357U (en) | 2010-10-27 |
Family
ID=43002721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201241125U Expired - Lifetime CN201616357U (en) | 2010-02-24 | 2010-02-24 | Swinging leader-type electric operating mechanism used for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201616357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785215A (en) * | 2016-08-31 | 2018-03-09 | 肇庆恒港电力科技发展有限公司 | The trip action device and its control method of a kind of circuit breaker operation mechanism |
| CN107799331A (en) * | 2016-08-31 | 2018-03-13 | 肇庆恒港电力科技发展有限公司 | A kind of operating mechanism and its control method of the external breaker of ammeter |
-
2010
- 2010-02-24 CN CN2010201241125U patent/CN201616357U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785215A (en) * | 2016-08-31 | 2018-03-09 | 肇庆恒港电力科技发展有限公司 | The trip action device and its control method of a kind of circuit breaker operation mechanism |
| CN107799331A (en) * | 2016-08-31 | 2018-03-13 | 肇庆恒港电力科技发展有限公司 | A kind of operating mechanism and its control method of the external breaker of ammeter |
| CN107799331B (en) * | 2016-08-31 | 2020-03-17 | 广东恒港电力科技股份有限公司 | Operating mechanism of external circuit breaker of electric meter and control method thereof |
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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: 20101027 Effective date of abandoning: 20120104 |