CN110853991A - Electric operating mechanism of circuit breaker - Google Patents
Electric operating mechanism of circuit breaker Download PDFInfo
- Publication number
- CN110853991A CN110853991A CN201911157761.7A CN201911157761A CN110853991A CN 110853991 A CN110853991 A CN 110853991A CN 201911157761 A CN201911157761 A CN 201911157761A CN 110853991 A CN110853991 A CN 110853991A
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- clamping
- transmission
- block
- circuit breaker
- control block
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
- H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention belongs to the technical field of electric operating mechanisms, and particularly relates to an electric operating mechanism of a circuit breaker, which is suitable for being connected with a circuit breaker mechanism, wherein the electric operating mechanism comprises a transmission mechanism and a double-clutch mechanism, and the transmission mechanism is in transmission connection with the double-clutch mechanism; the breaker mechanism comprises an energy storage main shaft and a rotary shifting piece; the energy storage main shaft is in transmission connection with the double clutch mechanisms and is suitable for driving the double clutch mechanisms to a closing station, and when the double clutch mechanisms are in a closing state, the transmission mechanism drives the energy storage main shaft to rotate through the double clutch mechanisms; when the circuit breaker mechanism operates to a closing station, the rotary shifting piece rotates to enable the rotary shifting piece to drive the double-clutch mechanism to a disengaging station, and when the double-clutch mechanism is in a separating state, the transmission mechanism is in transmission fit with the energy storage main shaft. The electric operating mechanism of the circuit breaker has the advantages of being capable of achieving bidirectional separation of the circuit breaker mechanism, simple in structure, small in installation size and low in processing cost.
Description
Technical Field
The invention belongs to the technical field of electric operating mechanisms, and particularly relates to an electric operating mechanism of a circuit breaker.
Background
The electric operating mechanism of the circuit breaker is generally arranged on one side of the circuit breaker when in use and is used for realizing the opening and closing of the circuit breaker in a matching way.
The electric operating mechanism of the existing circuit breaker adopts the clutch to realize switching-on and switching-off, but the existing one-way clutch cannot realize bidirectional separation, and the structure of the two-way clutch is complex, large in size and high in cost.
Disclosure of Invention
The invention aims to provide an electric operating mechanism of a circuit breaker, which aims to solve the technical problems of complex structure, large installation volume and high use cost of a clutch mechanism of the electric operating mechanism in the prior art.
In order to solve the technical problem, the invention provides an electric operating mechanism of a circuit breaker, which is suitable for being connected with a circuit breaker mechanism, wherein the electric operating mechanism comprises a transmission mechanism and a double-clutch mechanism, and the transmission mechanism is in transmission connection with the double-clutch mechanism;
the breaker mechanism comprises an energy storage main shaft and a rotary shifting piece;
the energy storage main shaft is in transmission connection with the double clutch mechanisms and is suitable for driving the double clutch mechanisms to a closing station, and when the double clutch mechanisms are in a closing state, the transmission mechanism drives the energy storage main shaft to rotate through the double clutch mechanisms;
when the circuit breaker mechanism operates to a closing station, the rotary shifting piece rotates to drive the double-clutch mechanism to a disengaging station, and when the double-clutch mechanism is in a separating state, the transmission mechanism is in transmission fit with the energy storage main shaft.
Further: the double-clutch mechanism comprises a driving part, a driven part, a control block and a bidirectional holding mechanism;
the driving part and the driven part form coaxial rotation, and one end of the energy storage main shaft penetrates out of the driven part and rotates synchronously with the driven part;
the control block comprises a switching part and a clamping part, and the control block is rotatably connected with the driven part through the switching part;
the driven part is provided with a disengaging station and a closing station, and the clamping part of the control block reciprocates between the disengaging station and the closing station;
the bidirectional holding mechanism is connected with the control block and the driven piece;
the inner ring surface of the driving part is provided with a plurality of clamping grooves used for being matched with the clamping parts of the control block;
the driving part is connected with the transmission mechanism;
when the breaker mechanism is used for opening the brake, the energy storage main shaft drives the driven part and the control block to rotate anticlockwise, the control block is stressed to rotate clockwise, the clamping part of the control block rotates to a closing station along with the driven part, the clamping part on the control block and the clamping groove of the driving part form clamping fit, and the bidirectional holding mechanism is suitable for enabling the clamping part of the control block to be held at the closing station so that the transmission mechanism sequentially passes through the driving part, the control block and the driven part to drive the energy storage main shaft to rotate;
when the circuit breaker mechanism is located at a closing station, the rotary shifting piece drives the control block to rotate to a disengaging station, the clamping portion on the control block is disengaged from the clamping groove of the driving part, and the bidirectional holding mechanism is suitable for enabling the clamping portion of the control block to be held at the disengaging station, so that the transmission mechanism and the energy storage main shaft are in disconnection transmission fit.
Further: the control block comprises a clamping block, a transmission block and a rotating shaft;
the rotating shaft is rotatably connected with the driven part;
the clamping block comprises a switching part and a clamping part, the switching part of the clamping block is connected with the rotating shaft and is suitable for the rotating shaft to rotate synchronously, and the clamping part of the clamping block is suitable for being matched with the clamping groove of the driving part;
the transmission block comprises a switching part and a connecting part, the switching part of the transmission block is connected with the rotating shaft and is suitable for driving the rotating shaft to rotate, and the connecting part of the transmission block is connected with the bidirectional retaining mechanism;
when the circuit breaker mechanism is in brake separating operation, the energy storage main shaft drives the driven part, the clamping block and the transmission block to rotate anticlockwise, the transmission block drives the clamping block to rotate on the driven part to a closed station through the rotating shaft after being stressed, the clamping part of the clamping block is in clamping fit with the clamping groove of the driving part, and the bidirectional retaining mechanism is suitable for keeping the clamping part of the clamping block at the closed station so that the transmission mechanism drives the energy storage main shaft to rotate through the driving part, the clamping block, the transmission block and the driven part in sequence;
when the circuit breaker mechanism is in a closing station, the rotary shifting piece sequentially drives the transmission block and the clamping block to rotate to a disengaging station, a clamping portion on the clamping block is disengaged from a clamping groove of the driving part, and the bidirectional retaining mechanism is suitable for enabling the clamping portion of the clamping block to be kept at the disengaging station so as to enable the transmission mechanism and the energy storage main shaft to be in a disengaged transmission fit.
Further: the bidirectional retaining mechanism comprises a tension spring and a tension spring shaft, the tension spring shaft is fixedly connected with the driven part, one end of the tension spring is connected with the tension spring shaft, the other end of the tension spring is connected with the connecting part of the transmission block, and the switching part of the transmission block is located between the tension spring shaft and the connecting part of the transmission block.
Further: the driven piece is fixedly provided with a support, the tension spring shaft is fixedly arranged on the support, and the upper end of the rotating shaft penetrates through the support.
The electric operating mechanism of the circuit breaker has the advantages that the energy storage main shaft is in transmission connection with the double clutch mechanisms and is suitable for driving the double clutch mechanisms to a closing station, and when the double clutch mechanisms are in a closing state, the transmission mechanism drives the energy storage main shaft to rotate through the double clutch mechanisms;
when the circuit breaker mechanism operates to a closing station, the rotary shifting piece rotates to drive the double-clutch mechanism to a disengaging station, and when the double-clutch mechanism is in a separating state, the transmission mechanism is in transmission fit with the energy storage main shaft.
The electric operating mechanism not only can realize the bidirectional separation of the breaker mechanism, but also has simple structure, small installation volume and low processing cost.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a perspective view of a preferred embodiment of embodiment 1;
FIG. 2 is a perspective view of the preferred embodiment of the control block of embodiment 2 in the closed position;
FIG. 3 is a perspective view of a preferred embodiment of the active member of embodiment 2;
fig. 4 is a perspective view of a preferred embodiment of the follower of embodiment 2;
FIG. 5 is a perspective view of a preferred embodiment of the control block of embodiment 2;
fig. 6 is a perspective view of a preferred embodiment of the bidirectional retention mechanism of embodiment 3.
In the figure:
1. an energy storage main shaft; 2. rotating the shifting sheet; 3. a driving member; 31. a clamping groove; 4. a driven member; 41. closing the station; 42. disengaging the station; 5. a control block; 51. a clamping block; 511. a clamping part; 52. a transmission block; 53. a rotating shaft; 6. a bidirectional holding mechanism; 61. a tension spring; 62. a tension spring shaft; 7. a motor; 8. a support; 9. And (4) a stop pin.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, the present embodiment provides an electric operating mechanism of a circuit breaker, which is adapted to be connected with a circuit breaker mechanism.
This circuit breaker mechanism can refer to prior patent application-load switch that can store energy and break the floodgate fast, application number: CN 201910674301.5;
as shown in fig. 1, the electric operating mechanism includes a transmission mechanism and a dual clutch mechanism in transmission connection with the transmission mechanism.
The circuit breaker mechanism comprises an energy storage main shaft 1 and a rotary poking piece 2. The circuit breaker mechanism further comprises a side plate, and the rotary poking piece 2 is rotatably arranged on the side plate. Specifically, the energy storage main shaft 1 is in transmission connection with the double clutch mechanisms and is suitable for driving the double clutch mechanisms to the closing station 41, and when the double clutch mechanisms are in a closing state, the transmission mechanism drives the energy storage main shaft 1 to rotate through the double clutch mechanisms.
When the circuit breaker mechanism operates to a closing station, the rotary shifting piece 2 rotates to enable the rotary shifting piece 2 to drive the double-clutch mechanism to a disengaging station 42, and when the double-clutch mechanism is in a disengaging state, the transmission mechanism is in transmission fit with the energy storage main shaft 1.
Example 2:
example 2 is a further modification to example 1,
FIG. 2 is an alternative perspective view of the dual clutch mechanism of the present invention;
optionally, the dual clutch mechanism includes a driving member 3, a driven member 4, a control block 5, and a bidirectional holding mechanism 6.
Specifically, as shown in fig. 2 to 4, the driving member 3 and the driven member 4 form a coaxial rotation arrangement, and one end of the energy storage main shaft 1 penetrates through the driven member 4 and rotates synchronously with the driven member 4.
The control block 5 comprises a switching part and a clamping part, and the control block 5 is rotationally connected with the driven part 4 through the switching part. The driven part 4 is provided with a disengaging station 42 and a closing station 41, and the clamping part of the control block 5 reciprocates between the disengaging station 42 and the closing station 41. The bidirectional holding mechanism 6 connects the control block 5 and the follower 4. The inner ring surface of the driving part 3 is provided with a plurality of clamping grooves 31 matched with the clamping parts of the control block 5, and the driving part 3 is connected with a transmission mechanism. Wherein, the driving part 3 is a gear ring, the transmission mechanism is a gear transmission mechanism, and the gear ring is meshed with the gear transmission mechanism.
As shown in fig. 1, the electric operating mechanism further includes a housing and a motor 7, the gear transmission mechanism and the dual clutch mechanism are both disposed in the housing, the gear transmission mechanism is connected with the motor 7 and the gear ring, and a stop pin 9 is fixedly connected to the inner side wall of the housing. Besides the gear transmission mechanism can be driven by the motor 7 to rotate, the gear transmission mechanism can also be driven to rotate in a manual mode.
As shown in fig. 2, when the circuit breaker mechanism performs the opening operation, the energy storage spindle 1 drives the driven member 4 and the control block 5 to rotate counterclockwise, and after the control block 5 is blocked by the stop pin 9, the driven member 4 rotates clockwise, the clamping portion of the control block 5 rotates to the closing station 41 along with the driven member 4, the clamping portion of the control block 5 and the clamping groove 31 of the driving member 3 form clamping fit, and the bidirectional retaining mechanism 6 is suitable for retaining the clamping portion of the control block 5 at the closing station 41, so that the transmission mechanism sequentially passes through the driving member 3, the control block 5 and the driven member 4 to drive the energy storage spindle 1 to rotate.
As shown in fig. 1, when the circuit breaker mechanism is at a closing station, the rotary shifting piece 2 drives the control block 5 to rotate to a disengaging station 42, the clamping portion on the control block 5 disengages from the clamping groove 31 of the driving part 3, and the bidirectional holding mechanism 6 is adapted to keep the clamping portion of the control block 5 at the disengaging station 42, so that the transmission mechanism and the energy storage spindle 1 are disengaged from each other.
Example 3:
example 3 is a further improvement over example 2,
FIG. 5 is an alternative perspective view of the control block 5 of the present invention;
optionally, as shown in fig. 5, the control block 5 includes a clamping block 51, a transmission block 52 and a rotating shaft 53. The rotating shaft 53 is rotatably connected to the driven member 4. The transmission block 52 is arranged at the upper end of the rotating shaft 53, and the clamping block 51 is arranged at the lower end of the rotating shaft 53. The rotating shaft 53 is fixedly provided with a cushion block which is positioned between the transmission block 52 and the clamping block 51 and used for limiting the distance between the transmission block 52 and the clamping block 51.
Specifically, the clamping block 51 includes an adapter portion and a clamping portion 511, the adapter portion of the clamping block 51 is connected (i.e., fixedly connected) with the rotating shaft 53, the rotating shaft 53 is adapted to rotate synchronously, and the clamping portion 511 of the clamping block 51 is adapted to be matched with the clamping groove 31 of the driving part 3.
Specifically, the transmission block 52 includes an adapter portion and a connecting portion, the adapter portion of the transmission block 52 is connected to the rotating shaft 53, and is adapted to rotate with the driving rotating shaft 53, and the connecting portion of the transmission block 52 is connected to the bidirectional holding mechanism 6.
As shown in fig. 2, when the circuit breaker mechanism is in the opening operation, the energy storage spindle 1 drives the driven member 4, the clamping block 51 and the transmission block 52 to rotate counterclockwise, after the transmission block 52 is blocked by the stop pin 9, the transmission block 52 drives the clamping block 51 to rotate on the driven member 4 to the closing station 41 through the rotating shaft 53, the clamping portion 511 of the clamping block 51 and the clamping groove 31 of the driving member 3 form clamping fit, and the bidirectional retaining mechanism 6 is suitable for retaining the clamping portion 511 of the clamping block 51 at the closing station 41, so that the gear transmission mechanism sequentially passes through the driving member 3, the clamping block 51, the transmission block 52 and the driven member 4 to drive the energy storage spindle 1 to rotate.
As shown in fig. 1, when the circuit breaker mechanism is in a closing station, the rotary paddle 2 sequentially drives the transmission block 52 and the clamping block 51 to rotate to the disengaging station 42, the clamping portion 511 on the clamping block 51 disengages from the clamping groove 31 of the driving part 3, and the bidirectional holding mechanism 6 is adapted to hold the clamping portion 511 of the clamping block 51 at the disengaging station 42, so that the gear transmission mechanism and the energy storage spindle 1 are disengaged from each other.
FIG. 6 is an alternative perspective view of the bi-directional retaining mechanism 6 of the present invention;
optionally, the bidirectional retaining mechanism 6 includes a tension spring 61 and a tension spring shaft 62, the tension spring shaft 62 is fixedly connected to the driven member 4, one end of the tension spring 61 is connected to the tension spring shaft 62, the other end of the tension spring 61 is connected to the connecting portion of the transmission block 52, and the switching portion of the transmission block 52 is located between the tension spring shaft 62 and the connecting portion of the transmission block 52.
The connecting portion of the driving block 52 is a pin shaft in this embodiment, the pin shaft is fixedly disposed on the driving block 52, and the pin shaft has the same function as the shaft of the tension spring 61 and is used for connecting the tension spring 61.
FIG. 6 is an alternative perspective view of the bracket 8 of the present invention;
optionally, a bracket 8 is fixedly arranged on the driven member 4, the tension spring shaft 62 is fixedly arranged on the bracket 8, and the upper end of the rotating shaft 53 passes through the bracket 8. The support 8 can increase the supporting and transmission strength of the rotating shaft 53.
In view of the above, it is desirable to provide,
when the circuit breaker mechanism is in the opening operation, the energy storage main shaft 1 drives the driven part 4, the clamping block 51 and the transmission block 52 to rotate anticlockwise, after the transmission block 52 is blocked by the stop pin 9, the transmission block 52 drives the clamping block 51 to rotate on the driven part 4 to the closing station 41 through the rotating shaft 53, the center of a pin shaft on the connecting part of the transmission block 52 crosses the center of the rotating shaft 53 and is connected with the center of the tension spring shaft 62, the tension spring shaft 62 drives the transmission block 52 to rotate, the transmission block 52 drives the rotating shaft 53 to rotate, the rotating shaft 53 drives the clamping block 51 to rotate, the clamping part 511 of the clamping block 51 and the clamping groove 31 of the driving part 3 form clamping fit, and clamping is kept under the action of the tension spring 61, so that the gear transmission mechanism sequentially drives the energy storage main shaft 1 to rotate through the driving part 3, the clamping block.
When the circuit breaker mechanism is in a closing station, the rotary shifting piece 2 sequentially drives the transmission block 52 and the clamping block 51 to rotate to the disengaging station 42, the center of a pin shaft on the connecting part of the transmission block 52 crosses the center of the rotating shaft 53 to be connected with the center of the tension spring shaft 62, the tension spring shaft 62 drives the transmission block 52 to rotate, the transmission block 52 drives the rotating shaft 53 to rotate, the rotating shaft 53 drives the clamping block 51 to rotate, so that the clamping part 511 on the clamping block 51 is disengaged from the clamping groove 31 of the driving part 3 and is kept disengaged under the action of the tension spring 61, and the driving part 3 and the energy storage main shaft 1 are disengaged in a transmission mode.
The electric operating mechanism in the utility model not only can realize the two-way separation of circuit breaker mechanism, but also has simple structure, small installation volume and low processing cost.
All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways, and the above-described apparatus embodiments are merely illustrative.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. An electric operating mechanism of a circuit breaker is suitable for being connected with a circuit breaker mechanism and is characterized in that the electric operating mechanism comprises a transmission mechanism and a double-clutch mechanism, and the transmission mechanism is in transmission connection with the double-clutch mechanism;
the circuit breaker mechanism comprises an energy storage main shaft (1) and a rotary shifting piece (2);
the energy storage main shaft (1) is in transmission connection with the double clutch mechanisms and is suitable for driving the double clutch mechanisms to a closing station (41), and when the double clutch mechanisms are in a closing state, the transmission mechanism drives the energy storage main shaft (1) to rotate through the double clutch mechanisms;
when the circuit breaker mechanism operates to a closing station, the rotary shifting piece (2) performs rotary operation, so that the rotary shifting piece (2) drives the double-clutch mechanism to a disengaging station (42), and when the double-clutch mechanism is in a separating state, the transmission mechanism is in transmission fit with the energy storage main shaft (1).
2. The electric operating mechanism of the circuit breaker according to claim 1, characterized in that the double clutch mechanism comprises a driving member (3), a driven member (4), a control block (5) and a bidirectional holding mechanism (6);
the driving part (3) and the driven part (4) form coaxial rotation, and one end of the energy storage main shaft (1) penetrates through the driven part (4) and rotates synchronously with the driven part (4);
the control block (5) comprises an adapter part and a clamping part, and the control block (5) is rotatably connected with the driven part (4) through the adapter part;
a disengaging station (42) and a closing station (41) are arranged on the driven part (4), and a clamping part of the control block (5) reciprocates between the disengaging station (42) and the closing station (41);
the bidirectional holding mechanism (6) is connected with the control block (5) and the driven piece (4);
the inner ring surface of the driving piece (3) is provided with a plurality of clamping grooves (31) which are used for being matched with the clamping parts of the control block (5);
the driving part (3) is connected with the transmission mechanism;
when the breaker mechanism is used for opening, the energy storage main shaft (1) drives the driven part (4) and the control block (5) to rotate anticlockwise, after the control block (5) is blocked by the stop pin (9), the control block (5) rotates clockwise on the driven part (4), the control block (5) is stressed to rotate clockwise, the clamping portion of the control block (5) rotates to a closing station (41) along with the driven part (4), the clamping portion of the control block (5) and the clamping groove (31) of the driving part (3) form clamping fit, the bidirectional holding mechanism (6) is suitable for enabling the clamping portion of the control block (5) to be held at the closing station (41), and therefore the transmission mechanism sequentially passes through the driving part (3), the control block (5) and the driven part (4) to drive the energy storage main shaft (1) to rotate;
when the circuit breaker mechanism is located a closing station, the rotary shifting piece (2) drives the control block (5) to rotate to a disengaging station (42), a clamping portion on the control block (5) is disengaged from a clamping groove (31) of the driving piece (3), and the bidirectional holding mechanism (6) is suitable for enabling the clamping portion of the control block (5) to be kept at the disengaging station (42), so that the transmission mechanism and the energy storage main shaft (1) are disengaged in a transmission mode.
3. The electric operating mechanism of circuit breaker according to claim 2, characterized in that the control block (5) comprises a snap-in block (51), a transmission block (52) and a rotating shaft (53);
the rotating shaft (53) is rotationally connected with the driven part (4);
the clamping block (51) comprises a switching part and a clamping part (511), the switching part of the clamping block (51) is connected with the rotating shaft (53) and is suitable for the rotating shaft (53) to rotate synchronously, and the clamping part (511) of the clamping block (51) is suitable for being matched with the clamping groove (31) of the driving part (3);
the transmission block (52) comprises an adapter part and a connecting part, the adapter part of the transmission block (52) is connected with the rotating shaft (53) and is suitable for driving the rotating shaft (53) to rotate, and the connecting part of the transmission block (52) is connected with the bidirectional retaining mechanism (6);
when the breaker mechanism is in brake separating operation, the energy storage main shaft (1) drives the driven part (4), the clamping block (51) and the transmission block (52) to rotate anticlockwise, the transmission block (52) is stressed and then drives the clamping block (51) to rotate on the driven part (4) to a closed station (41) through the rotating shaft (53), the clamping part (511) of the clamping block (51) and the clamping groove (31) of the driving part (3) form clamping fit, and the bidirectional retaining mechanism (6) is suitable for enabling the clamping part (511) of the clamping block (51) to be retained in the closed station (41) so that the transmission mechanism sequentially drives the energy storage main shaft (1) to rotate through the driving part (3), the clamping block (51), the transmission block (52) and the driven part (4);
when circuit breaker mechanism was in the combined floodgate station, rotatory plectrum (2) drive transmission piece (52), joint piece (51) in proper order and rotate to breaking away from station (42), joint portion (511) on joint piece (51) break away from in joint groove (31) of main part (3), two-way retaining mechanism (6) are suitable for joint portion (511) that make joint piece (51) to keep breaking away from station (42), so that break off the transmission cooperation between drive mechanism and energy storage main shaft (1).
4. The electric operating mechanism of the circuit breaker according to claim 3, wherein the bidirectional retaining mechanism (6) comprises a tension spring (61) and a tension spring shaft (62), the tension spring shaft (62) is fixedly connected with the driven member (4), one end of the tension spring (61) is connected with the tension spring shaft (62), the other end of the tension spring (61) is connected with the connecting portion of the transmission block (52), and the switching portion of the transmission block (52) is located between the tension spring shaft (62) and the connecting portion of the transmission block (52).
5. The electric operating mechanism of the circuit breaker according to claim 4, wherein a bracket (8) is fixedly arranged on the driven member (4), the tension spring shaft (62) is fixedly arranged on the bracket (8), and the upper end of the rotating shaft (53) penetrates through the bracket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911157761.7A CN110853991A (en) | 2019-11-22 | 2019-11-22 | Electric operating mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911157761.7A CN110853991A (en) | 2019-11-22 | 2019-11-22 | Electric operating mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110853991A true CN110853991A (en) | 2020-02-28 |
Family
ID=69603816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911157761.7A Pending CN110853991A (en) | 2019-11-22 | 2019-11-22 | Electric operating mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110853991A (en) |
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2019
- 2019-11-22 CN CN201911157761.7A patent/CN110853991A/en active Pending
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