CN221149888U - Isolation-circuit breaking interlocking mechanism for longitudinal rotation type circuit breaker operating mechanism - Google Patents

Abstract

The utility model relates to an isolation-circuit breaking interlocking mechanism for a longitudinal rotation type circuit breaker operating mechanism, which comprises a machine shell, wherein a circuit breaker mechanism and an isolation mechanism are arranged in the machine shell, a main shaft of the circuit breaker mechanism is arranged in a left-right direction, an isolation operating shaft of the isolation mechanism is arranged in a front-back direction, and a handle connecting section is formed at the front end of the isolation operating shaft; the trigger end of the first interlocking mechanism is positioned at the front side of the isolation operation shaft, and the locking end of the first interlocking mechanism is suitable for being matched with a closing bent plate of the circuit breaker mechanism; when the operating handle is connected with the handle connecting section, the operating handle pushes the trigger end to act, so that the locking end locks the closing bent plate to limit the breaker mechanism to close. The first interlocking mechanism ensures that the breaker cannot perform closing operation when the isolation mechanism is manually operated, and ensures that the operation mechanism can safely operate the longitudinal rotation type functional composite vacuum isolation breaker.

Description

Isolation-circuit breaking interlocking mechanism for longitudinal rotation type circuit breaker operating mechanism

Technical Field

The utility model relates to the field of high-voltage switch equipment operating mechanisms, in particular to an isolation-circuit breaking interlocking mechanism for a longitudinal rotation type circuit breaker operating mechanism.

Background

The vertical rotary vacuum isolation circuit breaker is a circuit breaker with a brand new structure, and reference is made to the prior patent, and the patent number is as follows: 200610104877.0, patent name: the longitudinal rotation type functional composite vacuum isolation breaker mainly adopts the working principle that three-phase poles are arranged on longitudinal beams, then the longitudinal beams are rotated for 90 degrees in the forward and reverse directions to drive the poles to horizontally and vertically rotate, so that an upper isolation moving contact and a lower isolation moving contact are isolated from a static contact or a main circuit is connected (when the poles rotate to the horizontal state, the breaker is in isolation opening, and when the poles rotate to the vertical state, the breaker is connected and closed); a connecting rod is arranged in the longitudinal beam, and the connecting rod performs switching-on and switching-off operations of the circuit breaker by moving in the longitudinal beam in the front-back direction.

For such a completely new vertical rotary vacuum interrupter, an operating mechanism adapted thereto needs to be configured to control the rotation of the longitudinal beam and the translation of the link, see the prior patent, patent No.: 201220270353.X, patent name: the four-station integrated operating mechanism of the high-voltage vacuum isolation circuit breaker comprises a circuit breaker mechanism and an isolation mechanism, wherein the circuit breaker mechanism is connected with a connecting rod and used for controlling the connecting rod to translate, namely, controlling the closing and opening of the longitudinal rotation type vacuum isolation circuit breaker, and the isolation mechanism is connected with a longitudinal beam and used for controlling the longitudinal beam to horizontally and vertically rotate, namely, controlling the isolation or the connection of a main loop of the longitudinal rotation type vacuum isolation circuit breaker.

For a longitudinal rotation type vacuum isolation breaker, the safety operation needs to be carried out, and the operation needs to be satisfied:

1. Circuit breaker mechanism in the operating mechanism) to control the translation of the connecting rod to enable the vacuum isolation circuit breaker to be in a connection state, the isolation mechanism in the operating mechanism can not switch the longitudinal beam from a connection state to a disconnection state any more, namely the longitudinal beam is changed from vertical to horizontal;

2. The isolating mechanism in the operating mechanism rotates the stringers from horizontal to vertical (assuming only 45 deg. rotation), and the circuit breaker mechanism in the operating mechanism cannot control the movement of the links to complete the circuit.

The operating mechanism integrates two mechanisms, not only can realize the functions of the circuit breaker, but also can realize the isolation function, ensures the safety of the longitudinal rotation type vacuum isolation circuit breaker, ensures that the operating mechanism can safely operate the longitudinal rotation type vacuum isolation circuit breaker, and needs to add an interlocking design in the operating mechanism matched with the operating mechanism; the interlocking design needs to match the two requirements of the vertical rotary vacuum isolation circuit breaker, and then the interlocking design in the operating mechanism needs to meet the following two safety requirements:

1. When the isolating mechanism needs to be manually operated, the breaker needs to be ensured not to be capable of performing closing operation; secondly, after the breaker completes the closing operation, the isolating mechanism can not be operated manually any more;

2. When the isolating mechanism is at the opening position or the closing position, the breaker can perform closing operation, but only when the isolating mechanism is switched from opening to closing, the breaker mechanism needs to be locked, the breaker mechanism cannot complete closing earlier than the isolating mechanism, and the breaker mechanism can perform closing operation after the isolating mechanism is in place, otherwise, accidents can occur.

In the existing longitudinal rotation type breaker operating mechanism, when the isolating mechanism is operated manually, the breaker is not interlocked, and when the breaker is closed, the isolating mechanism cannot be interlocked, so that the safety coefficient of the whole operating mechanism is low.

Disclosure of utility model

The utility model aims to solve the technical problems that: the isolating-circuit-breaking interlocking mechanism for the longitudinal circuit breaker operating mechanism solves the problems that in an existing longitudinal circuit breaker operating mechanism, when the isolating mechanism is operated manually, the circuit breaker is not interlocked, and when the circuit breaker is switched on, the isolating mechanism cannot be interlocked, so that the safety coefficient of the whole operating mechanism is low.

The technical scheme adopted for solving the technical problems is as follows:

there is provided an isolating-breaking interlocking mechanism for a longitudinally rotating circuit breaker operating mechanism, comprising

The circuit breaker mechanism and the isolation mechanism are arranged in the shell, a main shaft of the circuit breaker mechanism is arranged in a left-right direction, an isolation operation shaft of the isolation mechanism is arranged in a front-back direction, and a handle connecting section is formed at the front end of the isolation operation shaft;

the trigger end of the first interlocking mechanism is positioned at the front side of the isolation operation shaft, and the locking end of the first interlocking mechanism is suitable for being matched with a closing bent plate of the circuit breaker mechanism;

When the operating handle is connected with the handle connecting section, the operating handle pushes the trigger end to act, so that the locking end locks the closing bent plate to limit the breaker mechanism to close.

Further, the first interlocking mechanism comprises

The semi-axle is provided with a trigger plate and a deflector rod, the trigger plate is positioned at the front side of the isolation operation shaft, and the semi-axle is elastically rotated in the shell so as to drive the trigger plate and the deflector rod to swing in the front-back direction;

The push plate is elastically arranged in the shell in a sliding way in the front-back direction, the front end of the push plate is abutted with the deflector rod, and the rear end of the push plate forms a horizontal inclined push surface;

The locking plate is arranged in a left-right direction, the middle part of the locking plate is rotationally connected with the shell so as to enable the locking plate to elastically rotate up and down in the shell, the right end of the locking plate is provided with a roller matched with the horizontal inclined pushing surface, and the left end of the locking plate forms a locking end;

When the operating handle is connected with the isolation operating shaft, the operating handle pushes the trigger plate, the half shaft and the deflector rod to rotate, and the deflector rod pushes the push plate to translate backwards, so that the locking plate is driven to rotate anticlockwise, and the locking end is enabled to block the closing bent plate.

Further, a baffle is arranged in the shell, the baffle is arranged in the shell in a vertical elastic mode, the baffle is positioned at the front side of the trigger plate, and a handle perforation is formed in the baffle;

When the baffle moves to the lower station, the handle perforation corresponds to the trigger plate front and back, so that the passing operation handle can push the trigger plate.

Further, a second interlocking mechanism is arranged between the main shaft and the isolating mechanism, and comprises

The cam is fixedly arranged on the main shaft;

The sliding plate is vertically and elastically arranged in the shell, the lower section of the sliding plate is abutted with the cam, the upper end of the sliding plate is suitable for being clamped with the push plate, and the sliding plate is provided with a clamping protrusion;

The micro switch is suitable for controlling the isolation motor to be powered on and powered off;

When the circuit breaker mechanism drives the main shaft to rotate to a closing position, the sliding plate is driven to lift upwards, the upper end of the sliding plate is clamped with the push plate to limit the push plate to move forwards, and the clamping protrusion triggers the micro switch to enable the isolating motor to be powered off.

The beneficial effects of the utility model are as follows:

According to the isolation-circuit-breaking interlocking mechanism for the longitudinal rotation type circuit breaker operating mechanism, the first interlocking mechanism ensures that the circuit breaker cannot perform switching-on operation when the isolation mechanism is manually operated, and ensures that the operating mechanism can safely operate the longitudinal rotation type functional composite type vacuum isolation circuit breaker.

The second interlocking ensures that the isolating mechanism cannot carry out opening and closing operation when the circuit breaker mechanism is in a closing state, and ensures that the operating mechanism can safely operate the longitudinal rotation type functional composite vacuum isolating circuit breaker.

Drawings

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 to 3 are schematic views of an isolating-disconnecting interlock mechanism for a longitudinal circuit breaker operating mechanism of the present utility model;

FIGS. 4 and 5 are schematic views of a first interlock mechanism and a second interlock mechanism;

FIG. 6 is a diagram of the fit between the push plate and the lock plate;

fig. 7 is a block diagram of the circuit breaker mechanism between the main shaft and the connecting cylinder;

The device comprises a circuit breaker mechanism (1), a circuit breaker mechanism (11), a closing bent plate (12), a main shaft (13), a first connecting rod (14), a second connecting rod (15) and a connecting cylinder;

2. the isolating mechanism 21, the isolating operation shaft 22, the screw rod 23, the nut 24, the swinging seat 25 and the isolating motor;

3. The first interlocking mechanism comprises a first interlocking mechanism body 31, a half shaft 32, a trigger plate 33, a deflector rod 34, a push plate 35, a locking plate 351, a roller 36, an operating handle 37 and a baffle plate;

4. The second interlocking mechanism 41, the cam, 42, the sliding plate, 421, the clamping protrusion, 422 and the micro switch.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, a longitudinal rotation type breaker operating mechanism comprises a casing, wherein a breaker mechanism 1 and an isolation mechanism 2 are installed in the casing, the breaker mechanism 1 is used for controlling the translation of a connecting rod in a longitudinal rotation type functional composite vacuum isolation breaker (refer to the prior patent), and the connecting rod is driven to perform opening and closing operations on the vacuum isolation breaker through opening and closing of the breaker mechanism 1. The isolation mechanism 2 is used for being connected with a longitudinal beam in the longitudinal rotation type functional composite vacuum isolation circuit breaker, and the isolation mechanism 2 is used for controlling the longitudinal beam to horizontally and vertically rotate, so that the longitudinal beam can be subjected to opening and closing operation in the vacuum isolation circuit breaker.

As shown in fig. 7, the principle of translation of the drive link of the circuit breaker mechanism 1 is: the circuit breaker mechanism comprises a swing arm, a first connecting rod 13 and a second connecting rod 14, wherein the second connecting rod 14 is of an angular structure, the bending part of the second connecting rod is in rotary connection with a pivot, the rear end of the second connecting rod is connected with a connecting cylinder 15, the front end of the second connecting rod is connected with the first connecting rod 13, the first connecting rod 13 is connected with the swing arm, the main shaft 12 is driven to rotate and switch on when the circuit breaker mechanism 1 is switched on or off, the main shaft 12 drives the connecting cylinder 15 to move backwards through the swing arm and the two connecting rods when the circuit breaker is switched on or off, the main shaft 12 drives the connecting cylinder 15 to move forwards through the swing arm and the two connecting rods, the connecting cylinder 15 is connected with the connecting rod in the longitudinal rotary functional composite vacuum isolation circuit breaker, and the connecting cylinder 15 is moved to drive the connecting rod to move.

The circuit breaker mechanism 1 belongs to existing mature products, is available in the market and can be directly purchased, and a person skilled in the art can select a proper circuit breaker mechanism 1 according to actual conditions. The closing bending plate 11 belongs to one part of the circuit breaker mechanism 1, and the circuit breaker mechanism 1 can be prevented from closing by preventing the closing bending plate 11 from rotating.

The principle of the isolation mechanism 2 driving the longitudinal beam to rotate is as follows: the device comprises an isolation operation shaft 21, a screw rod 22, a nut 23 and a swinging seat 24, wherein the isolation operation shaft 21 is arranged in the front-back direction, the screw rod 22 is arranged in the left-right direction, power is transmitted between the isolation operation shaft 21 and the screw rod 22 through a pair of bevel gears, the nut 23 is arranged on the screw rod 22, the swinging seat 24 is rotatably arranged on a shell, a stop lever is arranged on the nut 23, and the swinging seat 24 is connected with a longitudinal beam through a flange; during operation, the isolation operation shaft 21 drives the screw rod 22 to rotate, the screw rod 22 drives the nut 23 to move left and right, and the nut 23 pushes the swing seat 24 to do 90-degree reciprocating rotation in the left and right directions through the stop lever, so that the swing seat 24 drives the longitudinal beam to do horizontal and vertical rotation.

The driving mode of the isolation operation shaft 21 includes manual and electric modes, i.e., manual driving the isolation operation shaft 21 to rotate through the operation handle 36 or driving the isolation operation shaft 21 to rotate through the isolation motor 25+ gear.

The isolation-circuit breaking interlocking mechanism for the longitudinal rotation type circuit breaker operating mechanism of the embodiment mainly solves the problem that the safety of the whole operating mechanism is improved, so that if the circuit breaker mechanism 1 is not locked when the isolation operating shaft 21 is manually operated, or the isolation mechanism 2 is not locked after the circuit breaker is closed, the danger can occur.

The utility model provides a indulge rotatory circuit breaker operating device is with keeping apart-interlocking mechanism that opens circuit, aim at prevents this danger and takes place, promotes whole operating device's security.

As shown in fig. 1 to 6, an isolating-breaking interlocking mechanism for a longitudinal circuit breaker operating mechanism includes

A casing, in which a breaker mechanism 1 and an isolation mechanism 2 are installed, wherein a main shaft 12 of the breaker mechanism 1 is arranged in a left-right direction, an isolation operation shaft 21 of the isolation mechanism 2 is arranged in a front-back direction, and a handle connection section is formed at the front end of the isolation operation shaft 21;

The first interlocking mechanism 3 is provided with a trigger end positioned at the front side of the isolation operation shaft 21, and a locking end of the first interlocking mechanism is suitable for being matched with the closing bent plate 11 of the circuit breaker mechanism 1;

When the operating handle 36 is connected with the handle connecting section, the operating handle 36 pushes the trigger end to act, so that the locking end locks the closing bent plate 11 to limit the breaker mechanism 1 to perform closing.

Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 4 and 5, the first interlocking mechanism 3 includes

The semi-axle 31, set up trigger plate 32 and driving lever 33 on the said semi-axle 31, the said trigger plate 32 locates at and isolates the front side of the operation shaft 21, the said semi-axle 31 makes the elastic rotation setting in the chassis, in order to drive trigger plate 32 and driving lever 33 to make the swing in the fore-and-aft direction;

The push plate 34 is elastically and slidably arranged in the machine shell in the front-back direction, the front end of the push plate 34 is abutted with the deflector rod 33, and the rear end of the push plate forms a horizontal inclined push surface;

The locking plate 35 is arranged in a left-right direction, the middle part of the locking plate is rotationally connected with the casing so as to enable the locking plate to elastically rotate up and down in the casing, the right end of the locking plate is provided with a roller 351 matched with a horizontal inclined pushing surface, and the left end of the locking plate forms a locking end;

When the operating handle 36 is connected with the isolating operating shaft 21, the operating handle 36 pushes the trigger plate 32, the half shaft 31 and the deflector rod 33 to rotate, and the deflector rod 33 pushes the push plate 34 to translate backwards, so that the locking plate 35 is driven to rotate anticlockwise, and the locking end blocks the closing bent plate 11.

In this embodiment, a return torsion spring is installed between the half shaft 31 and the casing, and return springs are installed between the push plate 34 and the lock plate 35 and the casing, respectively.

In this embodiment, the front end of the push plate 34 is provided with a guide groove, and the driving lever 33 is located in the guide groove, so that the driving lever 33 can stably drive the push plate 34 to move backward when rotating, and the driving lever 33 is prevented from being separated from the push plate 34.

As shown in fig. 6, the operation handle 36 is provided with six inner holes, the section of the handle connecting section is hexagonal, when the operation handle 36 is inserted into the isolating operation shaft 21, the operation handle 36 must push the trigger plate 32 first, so that the half shaft 31 and the deflector rod 33 rotate, the deflector rod 33 drives the push plate 34 to move backward, when the push plate 34 moves horizontally back and forth, the horizontal inclined pushing surface and the roller 351 form point contact, and as the push plate 34 moves backward, the horizontal inclined pushing surface slides slowly downwards from the roller 351, the left end of the locking plate 35 and the roller 351 move slowly upwards, so that the right end (i.e. the locking end) of the locking plate 35 blocks the closing bending plate 11 in the breaker mechanism 1, the breaker mechanism 1 cannot be closed, and at this time, an operator controls the isolating mechanism 2 to perform opening and closing operations (i.e. driving the longitudinal beam to rotate horizontally and vertically) through the operation handle 36.

Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, a baffle 37 is disposed in the housing, the baffle 37 is vertically and elastically disposed in the housing, the baffle 37 is located at the front side of the trigger plate 32, and a handle perforation is formed on the baffle 37;

When the shutter 37 is moved to the lower station, the handle perforations correspond back and forth to the trigger plate 32 so that the passing operating handle 36 can push the trigger plate 32.

The baffle 37 in this embodiment is mainly used for inserting the operating handle 36 and adding a safety guarantee, the upper end of the baffle 37 extends out from the top of the casing, when an operator needs to insert the handle, he must press down the baffle 37 first to make the perforation on the baffle 37 correspond to the trigger plate 32, so that the operating handle 36 can push the trigger plate 32, and the safety of the operating mechanism is improved.

Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1 and fig. 4 and fig. 5, a second interlocking mechanism 4 is disposed between the main shaft 12 and the isolation mechanism 2, and the second interlocking mechanism 4 includes

A cam 41 fixedly provided on the main shaft 12,

A sliding plate 42, which is vertically and elastically arranged in the casing, the lower section of which is abutted against the cam 41, and the upper end of which is suitable for being clamped with the push plate 34, and the sliding plate 42 is provided with a clamping protrusion 421;

A micro-switch 422, said micro-switch 422 being adapted to control the on and off of the isolation motor 25;

When the main shaft 12 is driven to rotate to a closing position by the circuit breaker mechanism 1, the sliding plate 42 is driven to be lifted upwards, the upper end of the sliding plate 42 is clamped with the push plate 34 to limit the push plate 34 to move forwards, and the clamping protrusion 421 triggers the micro switch 422 to power off the isolating motor 25.

A return spring is arranged between the sliding plate 42 and the machine shell, the return spring stretches when the sliding plate 42 moves upwards, and after the breaker is opened, the return spring pulls the sliding plate 42 to move downwards, so that unlocking of the push plate 34 is achieved.

The second interlocking mechanism 4 ensures that the isolating mechanism 2 cannot perform manual opening and closing operation (the corresponding longitudinal beam cannot rotate to a horizontal state) when the circuit breaker mechanism 1 is in a closing state (the corresponding connecting rod moves backwards, and the vacuum circuit breaker is in an on state), so that the safety of the operating mechanism is improved, and meanwhile, the safety of the longitudinal rotary functional composite vacuum isolating circuit breaker is correspondingly improved.

The components (components not illustrating the specific structure) selected in the present application are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art through technical manuals or through routine experimental methods.

In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (4)

1. An isolating-breaking interlocking mechanism for a longitudinal rotation type breaker operating mechanism is characterized by comprising

The circuit breaker comprises a shell, wherein a circuit breaker mechanism (1) and an isolation mechanism (2) are arranged in the shell, a main shaft (12) of the circuit breaker mechanism (1) is arranged in a left-right direction, an isolation operation shaft (21) of the isolation mechanism (2) is arranged in a front-back direction, and a handle connecting section is formed at the front end of the isolation operation shaft (21);

The trigger end of the first interlocking mechanism (3) is positioned at the front side of the isolation operation shaft (21), and the locking end of the first interlocking mechanism is suitable for being matched with a closing bent plate (11) of the circuit breaker mechanism (1);

when the operating handle (36) is connected with the handle connecting section, the operating handle (36) pushes the trigger end to act, so that the locking end locks the closing bent plate (11) to limit the breaker mechanism (1) to close.

2. The disconnecting-disconnecting interlock for a longitudinal circuit breaker operating mechanism according to claim 1, characterized in that the first interlock (3) comprises

The automatic control device comprises a half shaft (31), wherein a trigger plate (32) and a deflector rod (33) are arranged on the half shaft (31), the trigger plate (32) is positioned at the front side of an isolation operation shaft (21), and the half shaft (31) is elastically rotated in a shell so as to drive the trigger plate (32) and the deflector rod (33) to swing in the front-back direction;

The push plate (34) is elastically arranged in the shell in a sliding way in the front-back direction, the front end of the push plate (34) is abutted with the deflector rod (33), and the rear end of the push plate forms a horizontal inclined push surface;

A locking plate (35) which is arranged in a left-right direction, the middle part of the locking plate is rotationally connected with the casing so as to enable the locking plate to elastically rotate up and down in the casing, a roller (351) matched with the horizontal inclined pushing surface is arranged at the right end of the locking plate, and a locking end is formed at the left end of the locking plate;

When the operating handle (36) is connected with the isolation operating shaft (21), the operating handle (36) pushes the trigger plate (32), the half shaft (31) and the deflector rod (33) to rotate, and the deflector rod (33) pushes the push plate (34) to translate backwards, so that the locking plate (35) is driven to rotate anticlockwise, and the locking end blocks the closing bent plate (11).

3. The isolating-circuit-breaking interlocking mechanism for the longitudinal rotation type circuit breaker operating mechanism according to claim 2, wherein a baffle plate (37) is arranged in the machine shell, the baffle plate (37) is arranged in the machine shell in a vertical elastic mode, the baffle plate (37) is positioned at the front side of the trigger plate (32), and a handle through hole is formed in the baffle plate (37);

When the baffle plate (37) moves to the lower station, the handle perforation corresponds to the trigger plate (32) front and back, so that the trigger plate (32) can be pushed by the penetrated operation handle (36).

4. The disconnecting-disconnecting interlock for a longitudinal circuit breaker operating mechanism according to claim 2, characterized in that a second interlock mechanism (4) is provided between the main shaft (12) and the disconnecting mechanism (2), the second interlock mechanism (4) comprising

A cam (41) fixedly arranged on the main shaft (12);

A sliding plate (42) which is vertically and elastically arranged in the shell, the lower section of the sliding plate is abutted against the cam (41), the upper end of the sliding plate is suitable for being clamped with the push plate (34), and a clamping protrusion (421) is arranged on the sliding plate (42);

a micro switch (422), the micro switch (422) being adapted to control the isolation motor (25) to be powered on and off;

When the circuit breaker mechanism (1) drives the main shaft to rotate to a closing position, the sliding plate (42) is driven to be lifted upwards, the upper end of the sliding plate (42) is clamped with the push plate (34) to limit the push plate (34) to move forwards, and the clamping protrusion (421) triggers the micro switch (422) to enable the isolating motor (25) to be powered off.