CN112614714A - Operating device for solid insulated switch and solid insulated switch - Google Patents

Abstract

The invention discloses an operating device for a solid insulated switch, and discloses a solid insulated switch with the operating device for the solid insulated switch, the operating device for the solid insulation switch comprises a mechanism box, an isolation grounding mechanism, a breaker mechanism and an interlocking mechanism, wherein the isolation grounding mechanism comprises an isolation operating shaft and a grounding operating shaft which are arranged on the upper side of the mechanism box in the front-back direction respectively, the breaker mechanism comprises a second main shaft, a separating brake half shaft and a closing half shaft which are arranged on the lower side of the mechanism box in the front-back direction respectively, the separating brake half shaft and the closing half shaft are connected with the second main shaft respectively in a transmission mode, the interlocking mechanism comprises a baffle plate assembly arranged at the front end of the second main shaft, the closing half shaft rotates to enable the baffle plate assembly to move upwards and block in front of the isolation operating shaft and the grounding operating shaft, the operation of an isolation grounding mechanism by a user is limited, and.

Description

Operating device for solid insulated switch and solid insulated switch

Technical Field

The invention relates to the technical field of power transmission and distribution equipment of a power system, in particular to an operating device for a solid insulation switch and the solid insulation switch.

Background

The solid insulation switch is used for controlling a circuit to be switched on and off in the power distribution and transmission and maintenance processes of a power grid, a circuit breaker, a shunting grounding switch, an isolating switch and a closing circuit breaker need to be sequentially switched off through the solid insulation switch during power distribution and transmission, and the circuit breaker, the shunting switch, the isolating switch, the closing switch and the closing circuit breaker need to be sequentially switched off through the solid insulation switch during power failure maintenance so as to ensure the circuit to be stable and prevent electric shock hazard, while the general solid insulation switch does not structurally limit the operation flow of the solid insulation switch, and easily causes circuit damage and personnel injury when the operation flow is wrong.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an operating device for a solid insulated switch, which can limit a user to operate an isolation operating shaft and a grounding operating shaft in a closing state of a circuit breaker, and avoid generating electric arcs to damage circuits and avoid causing personal injuries.

The invention also provides a solid insulated switch with the operating device for the solid insulated switch.

An operating device for a solid insulated switch according to an embodiment of a first aspect of the present invention includes: a mechanism box; the isolation grounding mechanism comprises an isolation operation shaft and a grounding operation shaft which are respectively arranged on the upper side in the mechanism box along the front-back direction, and the isolation operation shaft and the grounding operation shaft are used for driving an isolation contact arm; the circuit breaker mechanism comprises a second main shaft, a switching-off half shaft and a switching-on half shaft which are arranged on the lower side of the inside of the mechanism box along the front-back direction respectively, the switching-off half shaft and the switching-on half shaft are in transmission connection with the second main shaft respectively, and the second main shaft is used for driving an insulator; and the interlocking mechanism comprises a baffle plate assembly arranged at the front end of the second main shaft, the closing half shaft rotates to enable the baffle plate assembly to move upwards and block in front of the isolation operating shaft and the grounding operating shaft, and the opening half shaft rotates to enable the baffle plate assembly to move downwards.

According to the operating device for the solid insulated switch, the operating device has the following beneficial effects: keep apart ground structure including setting up in the isolation operation axle and the ground connection operation axle of mechanism incasement portion upside along the fore-and-aft direction respectively, keep apart operation axle and ground connection operation axle can be connected with the isolation arm transmission that touches respectively, keep apart the operation axle and can drive to keep apart and touch the arm and close the operation of keeping apart and divide the isolation, ground connection operation axle can drive to keep apart and touch the arm and divide the operation of ground connection and close ground connection to realize corresponding isolation ground connection action. The circuit breaker mechanism comprises a second main shaft, a brake separating half shaft and a switch-on half shaft which are arranged on the lower side of the mechanism box in the front-back direction respectively, the rear end of the second main shaft can be in transmission connection with an insulator and drives the insulator to perform the operation of brake separating and switch-on of the circuit breaker, the brake separating half shaft and the switch-on half shaft are in transmission connection with the second main shaft respectively, the brake separating half shaft is rotated to enable the second main shaft to move anticlockwise to achieve the operation of brake separating of the circuit breaker, and the switch-on half shaft is rotated to enable the second main shaft. The interlocking mechanism comprises a baffle assembly arranged at the front end of the second main shaft, the baffle assembly is located on a vertical surface, one end of the baffle assembly is fixedly connected with the front end of the second main shaft, the other end of the baffle assembly extends towards the isolation grounding mechanism, the closing half shaft rotates to enable the second main shaft to rotate clockwise, the baffle assembly can move upwards and block the front of the isolation operating shaft and the front of the grounding operating shaft due to clockwise rotation of the second main shaft, so that an operator is limited to operate the isolation operating shaft and the grounding operating shaft under the closing state of the circuit breaker, the isolation grounding mechanism is prevented from generating electric arcs to damage circuits and cause personnel injuries when working under the condition of loads, the work safety is guaranteed, the second main shaft can rotate anticlockwise due to rotation of the opening half shaft, the baffle assembly moves downwards to expose the isolation operating shaft and the grounding operating shaft 230, and the operator can. Through setting up like this, guarantee that the operator can only operate isolation ground mechanism under the breaker combined floodgate state, avoid the operation flow mistake to lead to circuit damage and personnel to be injured, simple structure, convenient operation.

According to some embodiments of the present invention, the isolation grounding mechanism further includes a first main shaft, an operating handle, and an indicating mechanism limiting disc, the first main shaft is disposed at an upper side inside the mechanism box along a front-back direction, and the first main shaft is in transmission connection with the isolation operating shaft and the grounding operating shaft, respectively, the indicating mechanism limiting disc is disposed at a front end of the first main shaft, a first arc-shaped hole coaxial with the first main shaft is disposed at a right side of the indicating mechanism limiting disc, a second arc-shaped hole coaxial with the first main shaft is disposed at a left side of the indicating mechanism limiting disc, the operating handle can be inserted into the first arc-shaped hole from a front side of the indicating mechanism limiting disc and connected with the isolation operating shaft, or the operating handle can be inserted into the second arc-shaped hole and connected with the grounding operating shaft.

According to some embodiments of the invention, the interlocking mechanism further includes a guide plate, a closing limiting plate, and a closing rotating plate disposed on a side wall of the closing half shaft, the guide plate is fixed to the mechanism box and located between the isolation grounding mechanism and the breaker mechanism, the closing limiting plate is vertically penetrated through the guide plate, a first elastic member is sleeved on the closing limiting plate, and the first elastic member can drive the closing limiting plate to move upwards, so that a lower end of the closing limiting plate is stopped in a rotating direction of the closing rotating plate to limit rotation of the closing half shaft.

According to some embodiments of the present invention, a first stop pillar is disposed at a position corresponding to an upper end of the first arc-shaped hole on a rear side of the indicating mechanism limiting disc, a second stop pillar is disposed at a position corresponding to an upper end of the second arc-shaped hole on a rear side of the indicating mechanism limiting disc, the first stop pillar moves downward when the indicating mechanism limiting disc rotates clockwise, the second stop pillar moves downward when the indicating mechanism limiting disc rotates counterclockwise, and the first stop pillar and the second stop pillar move downward to respectively abut against an upper end of the closing limiting plate and drive the closing limiting plate to move downward, so that the closing rotating plate is separated from the constraint of the closing limiting plate.

According to some embodiments of the present invention, a first groove is formed at a lower end of the closing limiting plate, a second groove is formed at an upper end of the closing rotating plate, and the first elastic member drives the closing limiting plate to move upwards so that a lower sidewall of the first groove abuts against an upper sidewall of the second groove.

According to some embodiments of the invention, a cabinet door is arranged on the front side of the mechanism box, the interlocking mechanism further comprises a cabinet door interlocking component, the lower end of the cabinet door interlocking component is arranged on the lower side wall of the mechanism box, the cabinet door can be pulled down to enable the cabinet door to be covered on the mechanism box, and the cabinet door interlocking component is lifted on the cabinet door to enable the cabinet door to be separated from the mechanism box.

According to some embodiments of the present invention, the cabinet door interlocking assembly includes a first cabinet door interlocking lever, a lower end of the first cabinet door interlocking lever passes through a lower side wall of the mechanism box to be connected to the cabinet door, a side wall of the indicating mechanism limiting disc abuts against an upper end of the first cabinet door interlocking lever to limit the first cabinet door interlocking lever to move upward, an insertion groove is formed in a position of the indicating mechanism limiting disc corresponding to an upper end of the second arc-shaped hole, and the indicating mechanism limiting disc rotates counterclockwise to enable the insertion groove to move above the first cabinet door interlocking lever.

According to some embodiments of the present invention, the cabinet door interlocking assembly includes a second cabinet door interlocking lever, a lower end of the second cabinet door interlocking lever penetrates through a lower side wall of the mechanism box to be connected to the cabinet door, an upper end of the second cabinet door interlocking lever abuts against a lower end of the baffle plate assembly to limit the second cabinet door interlocking lever to move upwards, and the clockwise rotation of the second spindle can raise the baffle plate assembly to release the limitation on the second cabinet door interlocking lever.

According to some embodiments of the invention, the interlocking mechanism further includes a brake-separating limiting plate and a brake-separating rotating plate, the brake-separating limiting plate is disposed at the rear side of the first cabinet door interlocking lever, the brake-separating rotating plate is disposed on the side wall of the brake-separating half shaft, and the first cabinet door interlocking lever can drive the brake-separating limiting plate to move upwards, so that the brake-separating limiting plate is blocked in the rotating direction of the brake-separating rotating plate to limit the rotation of the brake-separating half shaft.

A solid insulated switch according to an embodiment of the second aspect of the present invention includes the operating device for a solid insulated switch according to the embodiment of the first aspect described above.

The solid insulation switch provided by the embodiment of the invention has at least the following beneficial effects: can restrict the user and operate isolation ground mechanism under circuit breaker combined floodgate state, avoid producing electric arc and damage the circuit and lead to personnel injured.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an operating device for a solid insulated switchgear according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another state of the operating device for the solid insulated switchgear according to the embodiment of the present invention;

fig. 3 is a partially enlarged view of the position a shown in fig. 2.

Reference numerals:

a mechanism case 100;

the device comprises an isolation grounding mechanism 200, a first main shaft 210, an isolation operating shaft 220, a grounding operating shaft 230, an indicating mechanism limiting disc 240, a first arc-shaped hole 241, a second arc-shaped hole 242 and an insertion groove 243;

a circuit breaker mechanism 300, a second main shaft 310, a closing half shaft 320 and an opening half shaft 330;

the interlocking mechanism 400, the baffle assembly 410, the shifting plate 411, the isolation grounding baffle 412, the guide plate 420, the closing limiting plate 430, the closing rotating plate 440, the first cabinet door interlocking rod 450, the second cabinet door interlocking rod 460, the opening limiting plate 470 and the opening rotating plate 480;

a cabinet door 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, an operating device for a solid insulated switchgear according to an embodiment of the present invention includes a mechanism case 100, an isolation grounding mechanism 200, a breaker mechanism 300, and an interlock mechanism 400.

The isolating and grounding mechanism 200 comprises an isolating operating shaft 220 and a grounding operating shaft 230 which are respectively arranged at the upper side in the mechanism box 100 along the front-back direction, the isolating operating shaft 220 and the grounding operating shaft 230 are used for driving an isolating contact arm (not shown), the circuit breaker mechanism 300 comprises a second main shaft 310, an opening half shaft 330 and a closing half shaft 320 which are respectively arranged at the lower side in the mechanism box 100 along the front-back direction, the opening half shaft 330 and the closing half shaft 320 are respectively in transmission connection with the second main shaft 310, the second main shaft 310 is used for driving an insulator (not shown), the interlocking mechanism 400 comprises a baffle assembly 410 arranged at the front end of the second main shaft 310, the closing half shaft 320 rotates to enable the baffle assembly 410 to move upwards and block in front of the isolating operating shaft 220 and the grounding operating shaft 230, and the opening half shaft 330 rotates to enable the baffle assembly 410 to move downwards.

The isolation grounding structure comprises an isolation operation shaft 220 and a grounding operation shaft 230 which are respectively arranged on the upper side in the mechanism box 100 along the front-back direction, the isolation operation shaft 220 and the grounding operation shaft 230 can be respectively in transmission connection with the isolation contact arm, the isolation operation shaft 220 can drive the isolation contact arm to perform the operation of closing and isolating, and the grounding operation shaft 230 can drive the isolation contact arm to perform the operation of opening and grounding so as to realize the corresponding isolation grounding action. The circuit breaker mechanism 300 includes a second main shaft 310, an opening half shaft 330 and a closing half shaft 320 which are respectively arranged on the lower side inside the mechanism box 100 along the front-back direction, the rear end of the second main shaft 310 can be in transmission connection with an insulator and drives the insulator to perform the operation of opening and closing the circuit breaker, the opening half shaft 330 and the closing half shaft 320 are respectively in transmission connection with the second main shaft 310, the opening half shaft 330 is rotated to enable the second main shaft 310 to move anticlockwise to achieve the operation of opening the circuit breaker, and the closing half shaft 320 is rotated to enable the second main shaft 310 to move clockwise to achieve the operation of closing the circuit breaker. The interlocking mechanism 400 comprises a baffle assembly 410 arranged at the front end of the second main shaft 310, the baffle assembly 410 is positioned on a vertical plane, one end of the baffle assembly 410 is fixedly connected with the front end of the second main shaft 310, the other end of the baffle assembly 410 extends towards the isolation grounding mechanism 200, the closing half shaft 320 rotates to enable the second main shaft 310 to rotate clockwise, the baffle assembly 410 can move upwards and be blocked in front of the isolation operating shaft 220 and the grounding operating shaft 230 by the clockwise rotation of the second main shaft 310 to limit an operator to operate the isolation operating shaft 220 and the grounding operating shaft 230 in a closing state of the circuit breaker, the isolation grounding mechanism 200 is prevented from generating an arc to damage a circuit and cause injury to personnel under the condition of load, the work safety is ensured, the opening half shaft 330 rotates to enable the second main shaft 310 to rotate anticlockwise, so that the baffle assembly 410 moves downwards to expose the isolation operating shaft 220 and the grounding operating shaft 230, enabling the operator to perform an isolated grounding operation. Through setting up like this, guarantee that the operator can only operate isolation ground mechanism 220 under the breaker combined floodgate state, avoid the operation flow mistake to lead to circuit damage and personnel to be injured, simple structure, convenient operation.

It is understood that the manner in which the isolation operating shaft 220 and the grounding operating shaft 230 drive the isolation contact arm and the manner in which the second main shaft 310 drives the insulator are all common technical means for those skilled in the art, and will not be described herein again.

It is conceivable that the baffle assembly 410 includes a dial plate 411 and an isolation ground baffle 412, a right end of the dial plate 411 is disposed at a front end of the second main shaft 310, the second main shaft 310 rotates to drive the dial plate 411 to rotate on a vertical plane, the isolation ground baffle 412 is vertically disposed in the mechanism box 100, a lower end of the isolation ground baffle 412 is in transmission connection with a left end of the dial plate 411, the dial plate 411 rotates counterclockwise to lift the isolation ground baffle 412 upward, the isolation ground baffle 412 blocks the isolation operation shaft 220 and the ground operation shaft 230, the dial plate 411 rotates clockwise to pull down the isolation, and the isolation ground baffle 412 is far away from the isolation operation shaft 220 and the ground operation shaft 230.

It is conceivable that the isolation grounding mechanism 200 further includes a first main shaft 210, an operating handle, and an indicating mechanism limiting disc 240, wherein the first main shaft 210 is disposed at an upper side inside the mechanism box 100 along the front-back direction, and the first main shaft 210 is respectively in transmission connection with the isolation operating shaft 220 and the grounding operating shaft 230, the indicating mechanism limiting disc 240 is disposed at a front end of the first main shaft 210, a first arc-shaped hole 241 coaxial with the first main shaft 210 is disposed at a right side of the indicating mechanism limiting disc 240, a second arc-shaped hole 242 coaxial with the first main shaft 210 is disposed at a left side of the indicating mechanism limiting disc 240, the operating handle can be inserted into the first arc-shaped hole 241 from the front side of the indicating mechanism limiting disc 240 and connected with the isolation operating shaft 220, or the operating handle can be inserted into the second arc-shaped hole 242 and connected with the.

As shown in fig. 1, an indicating mechanism limiting disc 240 is disposed at a front end of the first main shaft 210, the first main shaft 210 is in transmission connection with the isolation operating shaft 220 and the grounding operating shaft 230, the isolation operating shaft 220 is located on a right side of the first main shaft 210, the grounding operating shaft 230 is located on a left side of the first main shaft 210, and the isolation operating shaft 220 and the grounding operating shaft 230 are both located behind the indicating mechanism limiting disc 240. The right side of the indicating mechanism limiting disc 240 is provided with a first arc-shaped hole 241 coaxial with the first main shaft 210, the left side of the indicating mechanism limiting disc 240 is provided with a second arc-shaped hole 242 coaxial with the first main shaft 210, the isolation operation shaft 220 drives the isolation contact arm to perform isolation and separation operation, the first main shaft 210 can be driven to rotate simultaneously, the grounding operation shaft 230 drives the isolation contact arm to perform grounding and combination, and the first main shaft 210 can be driven to rotate synchronously during grounding and separation operation. The upper end of first arc hole 241 corresponds to the isolation position of the isolation contact arm, the lower end of first arc hole 241 corresponds to the isolation position of the isolation contact arm, the upper end of second arc hole 242 corresponds to the ground position of the isolation contact arm, the lower end of first arc hole 241 is adjacent to the lower end of second arc hole 242, isolation operation shaft 220 is located at the rear side of the lower end of first arc hole 241, and ground operation shaft 230 is located at the rear side of the lower end of second arc hole 242. The operating handle can be inserted into the lower end of the first arc-shaped hole 241 and connected with the isolation operating shaft 220, the isolation operating shaft 220 can be driven to rotate anticlockwise by rotating the operating handle anticlockwise, so that the first main shaft 210 rotates clockwise, the first main shaft 210 rotates clockwise to drive the indicating mechanism limiting disc 240 to rotate clockwise, when the upper end of the first arc-shaped hole 241 is rotated to abut against the operating handle, the operation of isolating and separating from and on the clutch is realized, at the moment, the operation of isolating and on the clutch can be realized by rotating the isolation operating shaft 220 clockwise through the operating handle, the operation of isolating and on the clutch can be limited to the isolating and on the clutch, the first main shaft 210, the indicating mechanism limiting disc 240 and the first arc-shaped hole 241 are arranged, the action of the isolation operating shaft 220 can be limited to the isolating and on the clutch position, whether the isolation operation of the isolation contact arm is in; similarly, operating handle can insert second arc hole 242 lower extreme and be connected with ground connection operating axis 230, anticlockwise rotation operating handle, can drive ground connection operating axis 230 anticlockwise rotation, thereby make first main shaft 210 clockwise rotation, first main shaft 210 clockwise rotation drives the spacing dish 240 of indicating mechanism clockwise rotation, when rotating second arc hole 242 upper end and operating handle butt, the operation that ground connection branch closed to ground connection has been realized promptly, through setting up first main shaft 210, the spacing dish 240 of indicating mechanism and second arc hole 242, can divide the action restriction of ground connection operating axis 230 to the position that ground connection closed at ground connection, can directly perceivedly judge whether the ground connection operation of keeping apart the contact arm targets in place, guarantee the accuracy nature of ground connection operation, convenient operation is swift, can effectively improve and join in marriage power transmission or maintenance efficiency.

It is understood that, as an embodiment of the present invention, the isolation operating shaft 220 rotates counterclockwise to rotate the first main shaft 210 clockwise, the ground operating shaft 230 rotates counterclockwise to rotate the first main shaft 210 counterclockwise, the closing half shaft 320 rotates counterclockwise to rotate the second main shaft 310 clockwise, and the opening half shaft 330 rotates counterclockwise to rotate the second main shaft 310 counterclockwise.

It can be thought that the interlocking mechanism 400 further includes a guide plate 420, a closing limiting plate 430, and a closing rotating plate 440 disposed on a side wall of the closing half shaft 320, the guide plate 420 is fixed on the mechanism box 100 and located between the isolation grounding mechanism 200 and the breaker mechanism 300, the closing limiting plate 430 penetrates the guide plate 420 along the up-down direction, a first elastic member is sleeved on the closing limiting plate 430, the first elastic member can drive the closing limiting plate 430 to move up, so that the lower end of the closing limiting plate 430 is blocked and disposed on the rotating direction of the closing rotating plate 440 to limit the rotation of the closing half shaft 320.

Referring to fig. 2 and 3, the interlock mechanism 400 further includes a closing limiting plate 430, a closing rotating plate 440, and a guide plate 420, the closing rotating plate 440 is disposed on a sidewall of the closing limiting plate 430, the guide plate 420 is fixed to the mechanism case 100 and is located between the isolation ground mechanism 200 and the breaker mechanism 300, the closing limiting plate 430 is vertically inserted into the guide plate 420, the guide plate 420 is used to guide the closing limiting plate 430, a first elastic member is sleeved on the closing limiting plate 430, the first elastic member can drive the closing limiting plate 430 to move upward, so that the lower end of the closing limiting plate 430 is stopped in the rotating direction of the closing rotating plate 440, the rotation of the closing half shaft 320 can be limited, therefore, the situation that an operator operates the circuit breaker to switch on at the position of the grounding part or the isolation part is avoided, the circuit breaker can switch on a power supply and a load when the circuit breaker is switched on, and electric shock danger can be caused if the circuit breaker is not grounded or isolated.

Further, the closing limiting plate 430 is located at the upper left side of the closing half shaft 320, and the closing limiting plate 430 can limit the counterclockwise rotation of the closing rotating plate 440, so as to limit the counterclockwise rotation of the closing half shaft 320 to realize the closing action of the circuit breaker. The first elastic member may be a spring and is sleeved on the closing limiting plate 430, the closing limiting plate 430 may be provided with a pin, the pin abuts against the upper end of the first elastic member, the lower end of the first elastic member abuts against the guide plate 420, and the first elastic member drives the closing limiting plate 430 to move upwards due to the arrangement.

Conceivably, a first stop pillar is arranged at the position, corresponding to the upper end of the first arc-shaped hole 241, of the rear side of the indicating mechanism limiting disc 240, a second stop pillar is arranged at the position, corresponding to the upper end of the second arc-shaped hole 242, of the rear side of the indicating mechanism limiting disc 240, the indicating mechanism limiting disc 240 rotates clockwise to enable the first stop pillar to move downwards, the indicating mechanism limiting disc 240 rotates counterclockwise to enable the second stop pillar to move downwards, the first stop pillar and the second stop pillar move downwards to be respectively abutted against the upper end of the closing limiting plate 430, and the closing limiting plate 430 is driven to move downwards, so that the closing rotating plate 440 is separated from the constraint of the closing limiting plate 430.

The upper end of the first arc-shaped hole 241 corresponds to an isolation position, the upper end of the second arc-shaped hole 242 corresponds to a grounding position, and a first stop pillar is arranged at the position, corresponding to the upper end of the first arc-shaped hole 241, on the rear side of the indicating mechanism limiting disc 240, so that when the isolation operation shaft 220 rotates to the isolation position, the indicating mechanism limiting disc 240 drives the first stop pillar to move to the lower side and downwards push the closing limiting plate 430, the closing rotating plate 440 is separated from the constraint of the closing limiting plate 430, and the closing operation of the circuit breaker can be realized; the second catch column is arranged at the position, corresponding to the upper end of the second arc-shaped hole 242, on the rear side of the indicating mechanism limiting disc 240, so that when the grounding operation shaft 230 rotates to the grounding closing position, the indicating mechanism limiting disc 240 drives the second catch column to downwards push the closing limiting plate 430, the closing rotating plate 440 is separated from the constraint of the closing limiting plate 430, and the closing operation of the circuit breaker can be realized; when the first catch and the second catch do not abut against the closing limiting plate 430, the closing limiting plate 430 moves upwards under the action of the first elastic member to limit the closing action of the circuit breaker. Through setting up like this, restricted and just can carry out the circuit breaker switching-on operation at the position that isolation closed and ground connection closed to avoid the operator to close a floodgate in other positions operation circuit breaker and appear electrocuteeing danger.

It is conceivable that the lower end of the closing limiting plate 430 is provided with a first groove, the upper end of the closing rotating plate 440 is provided with a second groove, and the first elastic member drives the closing limiting plate 430 to move upwards so that the lower sidewall of the first groove abuts against the upper sidewall of the second groove.

Referring to fig. 3, the closing limiting plate 430 is disposed at the upper left side of the closing half shaft 320 to limit the counterclockwise rotation of the closing half shaft 320, a first groove is formed at the lower end of the closing limiting plate 430, a second groove is formed at the upper end of the closing rotating plate 440, the first elastic element drives the closing limiting plate 430 to move upwards to enable the lower sidewall of the first groove to abut against the upper sidewall of the second groove, when the closing limiting plate 430 moves downwards, the upper sidewall of the second groove can pass through the first groove, and the constraint of the closing limiting plate 430 on the closing rotating plate 440 is removed, so that the closing half shaft 320 can rotate counterclockwise to realize the closing action of the circuit breaker.

It is conceivable that the cabinet door 500 is disposed at the front side of the mechanism box 100, and the interlocking mechanism 400 further includes a cabinet door interlocking assembly, a lower end of the cabinet door interlocking assembly is disposed at a lower side wall of the mechanism box 100, the cabinet door 500 can be pulled down to enable the cabinet door 500 to be covered on the mechanism box 100, and the cabinet door 500 is lifted up to enable the cabinet door 500 to be separated from the mechanism box 100.

Referring to fig. 1, the cabinet door 500 can be arranged on the mechanism box 100 through the cabinet door interlocking component, the cabinet door 500 can be pulled down to make the cabinet door 500 cover the mechanism box 100, the cabinet door 500 is lifted up to make the cabinet door 500 separate from the mechanism box 100, the cabinet door 500 can be opened and closed on the mechanism box 100 through the arrangement, and the cabinet door 500 is covered to prevent the foreign matter from entering the mechanism box 100 to destroy the device when the mechanism box 100 is not used.

It is conceivable that the cabinet door interlocking assembly includes a first cabinet door interlocking rod 450, a lower end of the first cabinet door interlocking rod 450 passes through a lower side wall of the mechanism box 100 to be connected with the cabinet door 500, a side wall of the indicating mechanism limiting disc 240 abuts against an upper end of the first cabinet door interlocking rod 450 to limit the first cabinet door interlocking rod 450 to move upwards, an insertion groove 243 is formed in a position, corresponding to an upper end of the second arc-shaped hole 242, of the indicating mechanism limiting disc 240, and the indicating mechanism limiting disc 240 rotates counterclockwise to enable the insertion groove 243 to move above the first cabinet door interlocking rod 450.

Referring to fig. 1 and 2, fig. 1 shows a state where the cabinet door 500 is closed, the circuit breaker is opened, the isolation is opened, and the ground is opened, and fig. 2 shows a state where the cabinet door 500 is opened, the circuit breaker is closed, and the ground is closed. The lower extreme of first cabinet door interlock pole 450 passes under mechanism case 100 lateral wall and is connected with cabinet door 500, and when cabinet door 500 closed, cabinet door 500 pulled first cabinet door interlock pole 450 down for the lateral wall of the spacing dish of indication mechanism 240 shifts up with the upper end butt of first cabinet door interlock pole 450 in order to restrict first cabinet door interlock pole 450, thereby restricts cabinet door 500 and opens from mechanism case 100. The upper end of the second arc-shaped hole 242 closes the position corresponding to the ground, the position corresponding to the upper end of the second arc-shaped hole 242 on the indicating mechanism limiting disc 240 is provided with an insertion groove 243, after the indicating mechanism limiting disc 240 rotates anticlockwise to achieve the ground closing operation, the insertion groove 243 can be moved to the position above the first cabinet door interlocking rod 450, and at the moment, the cabinet door interlocking assembly can be opened from the mechanism box 100 by lifting the first cabinet door interlocking rod 450 upwards. Through setting up like this for cabinet door 500 can only open under the state that ground connection closed, prevents that the operator from not operating this device under the condition of ground connection at the circuit, can effectively avoid appearing the electric shock accident.

It is conceivable that the cabinet door interlock assembly includes a second cabinet door interlock rod 460, a lower end of the second cabinet door interlock rod 460 passes through the lower side wall of the mechanism box 100 to be connected to the cabinet door 500, an upper end of the second cabinet door interlock rod 460 abuts against a lower end of the baffle assembly 410 to restrict the second cabinet door interlock rod 460 from moving upwards, and the second spindle 310 rotates clockwise to lift the baffle assembly 410 to release the restriction on the second cabinet door interlock rod 460.

Referring to fig. 1 and 2, when the cabinet door 500 is closed, in the open state of the circuit breaker, the baffle plate assembly 410 abuts against the upper end of the second cabinet door interlock rod 460 to limit the second cabinet door interlock rod 460 to move upwards; in a closing state of the circuit breaker, the second main shaft 310 rotates clockwise to lift the barrier assembly 410, and the limitation on the second cabinet door interlock lever 460 is removed. Through setting up first cabinet door interlock pole 450 and second cabinet door interlock pole 460 for cabinet door 500 only can be opened under this device is in the state that ground connection closed and the circuit breaker closed simultaneously, has further guaranteed the security performance of this device, can effectually avoid electrocuteeing danger.

It is conceivable that the interlocking mechanism 400 further includes a switching-off limiting plate 470 and a switching-off rotating plate 480, the switching-off limiting plate 470 is disposed at the rear side of the first cabinet door interlock rod 450, the switching-off rotating plate 480 is disposed on the sidewall of the switching-off half shaft 330, and the first cabinet door interlock rod 450 can drive the switching-off limiting plate 470 to move upwards, so that the switching-off limiting plate 470 is blocked in the rotating direction of the switching-off rotating plate 480 to limit the rotation of the switching-off half shaft 330.

Referring to fig. 1 to 3, when cabinet door 500 is opened, first cabinet door interlock pole 450 rebound inserts in inserting recess 243, drive separating brake limiting plate 470 rebound simultaneously, make separating brake limiting plate 470 keep off on separating brake rotor 480's direction of rotation, thereby restriction separating brake semi-axis 330 rotates, forbid carrying out circuit breaker separating brake operation when cabinet door 500 is opened, and the circuit breaker is in the state of closing this moment, baffle subassembly 410 keeps off in isolation operation axle 220 and ground connection operation axle 230 the place ahead, forbid carrying out isolation ground connection operation when cabinet door 500 is opened, can avoid the operator to prevent to open cabinet door 500 and carry out corresponding operation, avoid appearing the danger of electrocuting, improve the security.

A solid insulated switch according to an embodiment of the second aspect of the present invention includes the operating device for a solid insulated switch according to the embodiment of the first aspect.

The solid insulated switch of the embodiment of the second aspect of the invention has the following advantages: in a closing state of the circuit breaker, the baffle assembly 410 moves upwards and is stopped in front of the isolation operation shaft 220 and the grounding operation shaft 230 to limit a user to operate the isolation operation shaft 220 and the grounding operation shaft 230, and in the closing state of the circuit breaker, the baffle assembly 410 moves downwards to be far away from the isolation operation shaft 220 and the grounding operation shaft 230, so that an operator can operate the isolation grounding mechanism 200, and therefore the interlocking requirement that the circuit breaker cannot operate the isolation grounding mechanism 200 in the closing state and can isolate the grounding mechanism 200 only in the opening state of the circuit breaker is met; when the circuit breaker is at the isolating position or the grounding position, the first gear post or the second gear post can press down the closing limiting plate 430, so that the closing half shaft 320 can rotate to perform the closing operation of the circuit breaker, and when the circuit breaker is at the isolating position or the grounding position, the closing limiting plate 430 moves upwards under the action of the first elastic piece to limit the rotation of the closing half shaft 320 to perform the closing action of the circuit breaker, so that the interlocking requirement that the circuit breaker only allows the circuit breaker to perform the closing operation at the isolating position or the grounding position is met; when the cabinet door 500 is closed, the interlocking requirement that the cabinet door 500 can be opened only when the cabinet door is in a grounding closing state and a closing state of the circuit breaker at the same time is realized; when the cabinet door 500 is opened, the interlocking requirement that the breaker is not allowed to perform opening operation and the isolation grounding mechanism 200 is not allowed to perform operation is realized.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. An operating device for a solid insulated switch, comprising:

a mechanism case (100);

the isolation grounding mechanism (200) comprises an isolation operation shaft (220) and a grounding operation shaft (230) which are respectively arranged at the upper side in the mechanism box (100) along the front-back direction, and the isolation operation shaft (220) and the grounding operation shaft (230) are used for driving an isolation contact arm;

the circuit breaker mechanism (300) comprises a second main shaft (310), an opening half shaft (330) and a closing half shaft (320) which are arranged on the lower side in the mechanism box (100) along the front-back direction, the opening half shaft (330) and the closing half shaft (320) are in transmission connection with the second main shaft (310), and the second main shaft (310) is used for driving an insulator;

and the interlocking mechanism (400) comprises a baffle assembly (410) arranged at the front end of the second main shaft (310), the closing half shaft (320) can rotate to enable the baffle assembly (410) to move upwards and to be blocked in front of the isolating operation shaft (220) and the grounding operation shaft (230), and the opening half shaft (330) can rotate to enable the baffle assembly (410) to move downwards.

2. The solid insulated switchgear operating device according to claim 1, wherein: the isolation grounding mechanism (200) further comprises a first main shaft (210), an operating handle and an indicating mechanism limiting disc (240), the first main shaft (210) is arranged on the upper side inside the mechanism box (100) in the front-back direction, the first main shaft (210) is in transmission connection with the isolation operating shaft (220) and the grounding operating shaft (230) respectively, the indicating mechanism limiting disc (240) is arranged at the front end of the first main shaft (210), a first arc-shaped hole (241) coaxial with the first main shaft (210) is arranged on the right side of the indicating mechanism limiting disc (240), a second arc-shaped hole (242) coaxial with the first main shaft (210) is arranged on the left side of the indicating mechanism limiting disc (240), and the operating handle can be inserted into the first arc-shaped hole (241) from the front side of the indicating mechanism limiting disc (240) and is connected with the isolation operating shaft (220), or the operating handle can be inserted into the second arc-shaped hole (242) and connected with the grounding operating shaft (230).

3. The solid insulated switchgear operating device according to claim 2, wherein: interlocking device (400) still include deflector (420), combined floodgate limiting plate (430) and set up in combined floodgate rotating plate (440) on combined floodgate semi-axis (320) lateral wall, deflector (420) are fixed in just be located on mechanism case (100) keep apart ground mechanism (200) with between circuit breaker mechanism (300), combined floodgate limiting plate (430) are worn to locate along upper and lower direction on deflector (420), the cover is equipped with first elastic component on combined floodgate limiting plate (430), first elastic component can drive combined floodgate limiting plate (430) shifts up, makes the lower extreme fender of combined floodgate limiting plate (430) is located on the rotation direction of combined floodgate rotating plate (440), in order to restrict the rotation of combined floodgate semi-axis (320).

4. The solid insulated switchgear operating device according to claim 3, wherein: the rear side of the indicating mechanism limiting disc (240) corresponds to the position of the upper end of the first arc-shaped hole (241), the rear side of the indicating mechanism limiting disc (240) corresponds to the position of the upper end of the second arc-shaped hole (242) and is provided with a second catch, the first catch moves downwards due to clockwise rotation of the indicating mechanism limiting disc (240), the second catch moves downwards due to counterclockwise rotation of the indicating mechanism limiting disc (240), the first catch and the second catch move downwards and can abut against the upper end of the closing limiting plate (430) respectively, the closing limiting plate (430) is driven to move downwards, and the closing rotating plate (440) is separated from the restraint of the closing limiting plate (430).

5. The solid insulated switchgear operating device according to claim 3 or 4, wherein: the lower end of the closing limiting plate (430) is provided with a first groove, the upper end of the closing rotating plate (440) is provided with a second groove, and the first elastic piece drives the closing limiting plate (430) to move upwards to enable the lower side wall of the first groove to be abutted against the upper side wall of the second groove.

6. The solid insulated switchgear operating device according to claim 2, wherein: the mechanism box (100) is provided with a cabinet door (500) on the front side, the interlocking mechanism (400) further comprises a cabinet door interlocking component, the lower end of the cabinet door interlocking component is arranged on the lower side wall of the mechanism box (100), the cabinet door (500) can be pulled down to enable the cabinet door (500) to be covered on the mechanism box (100), and the cabinet door (500) can be lifted up to enable the cabinet door (500) to be separated from the mechanism box (100).

7. The solid insulated switchgear operating device according to claim 6, wherein: the interlocking subassembly of cabinet door includes first cabinet door interlocking lever (450), the lower extreme of first cabinet door interlocking lever (450) passes lateral wall under mechanism case (100) with cabinet door (500) are connected, the lateral wall of the spacing dish of indicating mechanism (240) with the upper end butt of first cabinet door interlocking lever (450) is in order to restrict first cabinet door interlocking lever (450) shifts up, be corresponding to on the spacing dish of indicating mechanism (240) insert recess (243) have been seted up to position department on second arc hole (242), the spacing dish of indicating mechanism (240) anticlockwise rotation can make insert recess (243) and remove first cabinet door interlocking lever (450) top.

8. The solid insulated switchgear operating device according to claim 7, wherein: the cabinet door interlocking assembly comprises a second cabinet door interlocking rod (460), the lower end of the second cabinet door interlocking rod (460) penetrates through the lower side wall of the mechanism box (100) and is connected with the cabinet door (500), the upper end of the second cabinet door interlocking rod (460) is abutted against the lower end of the baffle plate assembly (410) to limit the second cabinet door interlocking rod (460) to move upwards, and the second spindle (310) rotates clockwise to enable the baffle plate assembly (410) to be lifted upwards to relieve the limit of the second cabinet door interlocking rod (460).

9. The solid insulated switchgear operating device according to claim 7, wherein: interlocking device (400) still include separating brake limiting plate (470) and separating brake rotor plate (480), separating brake limiting plate (470) set up in first cabinet door interlock pole (450) rear side, separating brake rotor plate (480) set up in on separating brake semi-axis (330) lateral wall, first cabinet door interlock pole (450) can drive separating brake limiting plate (470) shifts up, makes separating brake limiting plate (470) keep off to be located on the rotation direction of separating brake rotor plate (480), in order to restrict the rotation of separating brake semi-axis (330).

10. A solid insulated switch, characterized in that it comprises an operating device for a solid insulated switch according to any of claims 1-9.

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