CN210628221U

CN210628221U - Electric energy storage operating mechanism of circuit breaker

Info

Publication number: CN210628221U
Application number: CN201922117720.7U
Authority: CN
Inventors: 罗呼云; 陈建; 高海亮
Original assignee: Zhejiang Alst Electrical Co ltd
Current assignee: Zhejiang Alst Electrical Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-05-26
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses an electric energy storage operating mechanism of a circuit breaker, which adopts the technical scheme that the operating mechanism comprises a circuit breaker and an operating mechanism arranged on the circuit breaker, wherein the operating mechanism comprises a shell and a control assembly, the control assembly comprises a closing button, a separating button and an operating handle, and the operating mechanism also comprises a switching push rod which is slidably connected in the shell and used for closing the closing button, the separating button and limiting and locking the operating handle; the tripping device is characterized in that a tripping knife is connected under the opening button, the tripping device further comprises a linkage piece and a hanging locking piece, the linkage piece comprises a connecting end and a pressing end, the connecting end is movably hinged to the hanging locking piece, the pressing end is abutted to the tripping knife, the tripping device further comprises a first tension spring used for driving the tripping knife to reset, and the operating mechanism further comprises a motor transversely placed in the shell and a motor gear matched energy storage gear set. The utility model discloses have the effect that transmission torsion is efficient, the security is strong.

Description

Electric energy storage operating mechanism of circuit breaker

Technical Field

The utility model relates to a circuit breaker mechanism, more specifically say that it relates to an electronic energy storage operating device of circuit breaker.

Background

The electric operating mechanism is a special accessory for the plastic shell type circuit breaker, and can electrically close, open and detain the circuit breaker again in a long distance after being matched with the circuit breaker so as to realize the centralized and automatic control of the power transmission and distribution network. The safe operation of the system is always paid attention to by the power system, but various accidents caused by electric misoperation always occur every year, and unnecessary loss is caused. In order to effectively prevent the personnel and major equipment accidents caused by misoperation of operating electrical equipment, the existing electric operating mechanism for the circuit breaker is provided with an anti-misoperation mechanism.

However, the existing anti-misoperation mechanism has an unreasonable structural design, which causes inconvenient switching operation between electric operation and manual operation, and the circuit breaker electric operation mechanism also has the defects of complex structural design, unstable performance, inconvenient use and high cost.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an electronic energy storage operating device of circuit breaker has the effect that transportation torsion efficiency is high, the security is strong.

In order to achieve the above purpose, the utility model provides a following technical scheme: an electric energy storage operating mechanism of a circuit breaker comprises the circuit breaker and an operating mechanism arranged on the circuit breaker, wherein the operating mechanism comprises a shell and a control assembly, the control assembly comprises a closing button, an opening button and an operating handle, the control assembly further comprises a switching push rod connected in the shell in a sliding mode, and when the switching push rod slides to an automatic control position, the switching push rod carries out limiting and locking on the closing button, the opening button and the operating handle; the tripping device is characterized in that a tripping knife extending downwards is connected to the lower portion of the tripping button, the tripping knife can be driven to press down to trigger the circuit breaker to trip and power off when the tripping button is pressed down, the tripping device further comprises a linkage piece which can be arranged in the shell in a swinging mode and a hanging and locking piece which can be arranged in an up-down mode relative to the shell, the linkage piece comprises a connecting end and a pressing end which is arranged at a certain included angle with the connecting end, the connecting end is movably hinged to the hanging and locking piece, the pressing end is abutted to the tripping knife, when the hanging lock piece rises to a locking position, the hanging lock piece drives the linkage piece to swing so that the linkage piece presses the tripping knife to move down to trigger the circuit breaker to trip, and the tripping.

Through adopting above-mentioned technical scheme, for preventing other people's maloperation when setting up operating device, the slip switching push rod will switch after the push rod slides to the automatic position of settlement, operating device is in the automatic control state, and it is spacing to closing brake button, separating brake button and operating handle to switch the push rod for closing brake button, separating brake button and operating handle can not manual operation prevent other people's maloperation, reinforcing security. The padlock block can be pulled up and fixed after being lifted when equipment is maintained, the tripping knife is driven to press the circuit breaker to enable the circuit breaker to be tripped and power off in the process, the circuit breaker is safely maintained, and the tripping state is relieved by returning the tension spring after the fixing state of the padlock block is relieved when the process is finished. Meanwhile, the connection between the tripping knife and the opening button can directly observe whether the opening button is pressed down to confirm whether the tripping knife acts.

The utility model discloses further set up to: the operating mechanism further comprises a motor and a motor-matched energy storage gear set, wherein the motor and the motor-matched energy storage gear set are transversely placed in the shell, and a gear shaft matched with the energy storage gear set is arranged on the motor.

Through adopting above-mentioned technical scheme, transversely place can effectually save space, it is littleer to improve space utilization and conveniently do the mechanism, and the motor adopts the gear shaft to come gear drive to replace traditional worm drive to improve moment of torsion reinforcing efficiency simultaneously.

The utility model discloses further set up to: the shell is provided with a strip-shaped sliding hole, the switching push rod is convexly provided with a moving lug for driving the switching push rod to slide, and the moving lug penetrates through the sliding hole and can slide along a hole rail of the sliding hole.

Through adopting above-mentioned technical scheme, can conveniently switch the slip of push rod on the hole that slides through the setting of removing the lug.

The utility model discloses further set up to: the switching push rod is convexly provided with a first limiting lug, a second limiting lug and a third limiting lug which are matched with the closing button, the opening button and the operating handle, when the switching push rod slides to the sliding hole and is used for automatically controlling one end, the first limiting lug and the second limiting lug are respectively positioned below the closing button and the opening button, and the third limiting lug is inserted into the operating handle.

By adopting the technical scheme, the first limiting lug, the second limiting lug and the third limiting lug are arranged for limiting, when the switching push rod slides to the locking position, the first limiting lug and the second limiting lug are respectively positioned below the switching-on button and the switching-off button, and the third limiting lug is inserted into the operating handle for limiting.

The utility model discloses further set up to: the padlock block is provided with a padlock hole, when the padlock block rises to a locked position, the padlock hole is positioned outside the shell, and the padlock block further comprises a second tension spring for driving the padlock block to reset.

Through adopting above-mentioned technical scheme, the setting up of padlock hole makes things convenient for the padlock piece to rise to latched position, through hanging for the padlock hole and locks, has avoided the padlock piece to descend for be in safe outage state convenient maintenance always, lock and can avoid other people's mistake touching operation simultaneously, security when promoting the maintenance. And meanwhile, the second tension spring can assist the padlock block to return faster.

By adopting the technical scheme, the lug can be moved in a sliding manner, so that the stress is more stable and more convenient.

To sum up, the utility model discloses following beneficial effect has: when the operating mechanism is arranged, in order to prevent other people from touching the operating mechanism by mistake, the switching push rod slides to the set locking position, and then can limit the closing button, the opening button and the operating handle to prevent other people from moving by mistake, so that the safety is enhanced. And the padlock block, the linkage piece and the tripping knife can enable the circuit breaker to be tripped and powered off through continuous action, so that the safety maintenance is facilitated, and after the fixed state of the padlock block is relieved, the tripping state is relieved through the return of the first tension spring and the second tension spring. Meanwhile, the connection between the tripping knife and the opening button can directly observe whether the opening button is pressed down to confirm whether the tripping knife acts.

Drawings

FIG. 1 is an overall perspective view of the present embodiment;

FIG. 2 is a perspective view of the operating mechanism of the present embodiment;

FIG. 3 is a perspective view of the operating mechanism from another perspective in the present embodiment;

FIG. 4 is a partial structural view of the present embodiment;

FIG. 5 is a block diagram of the padlock of this embodiment;

fig. 6 is a schematic structural diagram of the switching push rod of the present embodiment.

Reference numerals: 1. a circuit breaker; 2. a housing; 21. a sliding hole; 3. a closing button; 31. a brake separating button; 32. an operating handle; 4. switching push rods; 41. a first limiting bump; 42. a second limiting bump; 43. a third limiting bump; 44. moving the projection; 5. a trip knife; 51. a first tension spring; 511. driving the convex plate; 52. hanging a locking block; 521. a tension spring II; 522. hanging the lock hole; 53. a linkage member; 531. a connecting end; 532. a pressing end; 6. a motor; 61. a gear shaft; 7. an energy storage gear set.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses electronic energy storage operating device of circuit breaker, as shown in fig. 1-6, including circuit breaker 1 and the operating device of setting on circuit breaker 1, operating device is including casing 2 and control assembly, control assembly is including closing button 3, separating brake button 31, operating handle 32, still including sliding connection at the switching push rod 4 of casing 2, the protruding spacing lug of being equipped with closing button 3, separating brake button 31 and operating handle 32 matched with is two 42 and three 43 of spacing lug on switching push rod 4, when switching push rod 4 slides to slide hole 21 and be used for automatic control one end, spacing lug is 41 and two 42 of spacing lug are located the below of closing button 3 and separating brake button 31 respectively, three 43 of spacing lug are inserted in operating handle 32. The shell 2 is provided with a strip-shaped sliding hole 21, the switching push rod 4 is convexly provided with a moving lug 44 for driving the switching push rod 4 to slide, and the moving lug 44 penetrates through the sliding hole 21 and can slide along a hole rail of the sliding hole 21. The moving lug 44 is provided with anti-skid lines. The operating mechanism further comprises a motor 6 transversely placed in the shell 2 and an energy storage gear set 7 matched with the motor 6, and a gear shaft 61 matched with the energy storage gear set 7 in a gear mode is arranged on the motor 6. The tripping button 31 is connected with a tripping knife 5 extending downwards, the tripping button 31 can drive the tripping knife 5 to press down to trigger the breaker 1 to trip and power off when pressed down, the tripping device also comprises a linkage piece 53 which can swing in the shell 2 and a padlock block 52 which can be lifted up and down relative to the shell 2, a padlock hole 522 is arranged on the padlock block 52, when the padlock block 52 is lifted to the locked position, the padlock hole 522 is located outside the housing 2, the linkage member 53 includes a connection end 531 and a pressing end 532 disposed at a certain angle with respect to the connection end 531, the pressing end 532 is pressed against the trip knife 5, when the padlock block 52 is lifted to the locking position, the padlock block 52 drives the linkage member 53 to swing, so that the linkage member 53 presses the tripping knife 5 to move downwards to trip the circuit breaker 1, and the circuit breaker further comprises a first tension spring 51 for driving the tripping knife 5 to reset and a second tension spring 521 for driving the padlock block 52 to reset.

In the practical use process, in order to prevent other people from touching by mistake when the operating mechanism is set, after the switching push rod 4 slides to the set locking position by sliding the switching push rod 4, the first limiting lug 41 and the second limiting lug 42 are respectively positioned below the closing button 3 and the opening button 31, and the third limiting lug 43 is inserted into the operating handle 32, so that the switching push rod 4 can limit the closing button 3, the opening button 31 and the operating handle 32 and cannot be operated to prevent other people from moving by mistake, thereby enhancing the safety. The padlock block 52, the linkage piece 53 and the tripping knife 5 are arranged, the padlock block 52 can be pulled up and fixed when equipment is maintained, the padlock block 52 rises to drive the connecting end of the linkage piece 53 to rise in the process, the linkage piece 53 is driven to swing, the pressing end 532 presses down the tripping knife 5, the tripping knife 5 presses down the circuit breaker 1 to trip and power off, then the padlock hole 522 protruding in the shell 2 is locked, the padlock block 52 is prevented from descending, safety maintenance is carried out, and after the fixed state of the padlock block 52 is released, the tension spring one 51 and the tension spring two 521 return to release the tripping state. Meanwhile, the connection between the trip knife 5 and the opening button 31 can directly observe whether the opening button 31 is pressed down to confirm whether the trip knife 5 acts.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an electronic energy storage operating device of circuit breaker, includes circuit breaker (1) and sets up the operating device on circuit breaker (1), operating device is including casing (2) and control assembly, its characterized in that: the control assembly comprises a closing button (3), an opening button (31), an operating handle (32) and a switching push rod (4) connected in the shell (2) in a sliding mode, and when the switching push rod (4) slides to an automatic control position, the switching push rod (4) performs limiting locking on the closing button (3), the opening button (31) and the operating handle (32); the tripping device is characterized in that a tripping knife (5) extending downwards is connected below the opening button (31), the tripping knife (5) can be driven to press down to trigger the circuit breaker (1) to trip and power off when the opening button (31) is pressed down, the tripping device also comprises a linkage piece (53) which can be arranged in the shell (2) in a swinging way and a padlock block (52) which can be arranged in the shell (2) in an up-and-down lifting way, the linkage piece (53) comprises a connecting end (531) and a pressing end (532) which forms a certain included angle with the connecting end (531), the connecting end (531) is movably hinged to the padlock block (52), the abutting end (532) abuts against the tripping knife (5), when the padlock block (52) rises to the locking position, the padlock block (52) drives the linkage piece (53) to swing, so that the linkage piece (53) presses the tripping knife (5) to move downwards to trigger the circuit breaker (1) to trip, and the circuit breaker further comprises a first tension spring (51) for driving the tripping knife (5) to reset.

2. An electric energy storage operating mechanism of a circuit breaker according to claim 1, characterized in that: the operating mechanism further comprises a motor (6) transversely placed in the shell (2) and an energy storage gear set (7) matched with the motor (6), and a gear shaft (61) matched with the energy storage gear set (7) is arranged on the motor (6).

3. An electric energy storage operating mechanism of a circuit breaker according to claim 2, characterized in that: be equipped with banding hole (21) that slides on casing (2), the protruding removal lug (44) that are used for the drive to switch push rod (4) gliding that is equipped with on switching push rod (4), it passes hole (21) and can slide along the hole rail in hole (21) to move lug (44).

4. An electric energy storage operating mechanism of a circuit breaker according to claim 3, characterized in that: the automatic switching device is characterized in that a first limiting lug (41), a second limiting lug (42) and a third limiting lug (43) which are matched with a closing button (3), a separating button (31) and an operating handle (32) are arranged on the manual automatic push rod (4) in a protruding mode, when the switching push rod (4) slides to one end of the sliding hole (21) for automatic control, the first limiting lug (41) and the second limiting lug (42) are located below the closing button (3) and the separating button (31) respectively, and the third limiting lug (43) is inserted into the operating handle (32).

5. An electric energy storage operating mechanism of a circuit breaker according to claim 4, characterized in that: the padlock block (52) is provided with a padlock hole (522), when the padlock block (52) is lifted to a locked position, the padlock hole (522) is positioned outside the shell (2), and the padlock block further comprises a second tension spring (521) for driving the padlock block (52) to reset.