CN218334979U

CN218334979U - Circuit breaker shifting device

Info

Publication number: CN218334979U
Application number: CN202222328171.XU
Authority: CN
Inventors: 苗卫红; 蒲佳杭; 张竣堯; 赵虹钦; 唐世超; 孙潇菀; 周岩; 贾岩龙; 何峰; 岩轰罕
Original assignee: Chongqing Electric Power College
Current assignee: Chongqing Electric Power College
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-17
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a circuit breaker shift unit for with the handle cooperation on the circuit breaker will the circuit breaker shifts out to the circuit breaker tool car in following the cubical switchboard, still be used for with the circuit breaker is followed the circuit breaker tool car moves in extremely in the cubical switchboard, including set up in circuit breaker shift unit on the circuit breaker tool car, circuit breaker shift unit includes the fixed block, is used for the drive the fixed block orientation the actuating mechanism of cubical switchboard direction removal and return, articulate in on the fixed block towards the one end of cubical switchboard with handle complex drag hook and one end with the extension spring that the drag hook is connected, the other end with the fixed block is connected. The utility model discloses set up positioning mechanism and take actuating mechanism of drag hook, when being convenient for front and back orientation location is fixed, still be convenient for pull out the circuit breaker and overhaul on the circuit breaker tool car, the simple operation, greatly reduced intensity of labour.

Description

Circuit breaker shifting device

Technical Field

The utility model relates to an electric power overhauls technical field, in particular to circuit breaker shift unit.

Background

The inside hasp of hand propelled cubical switchboard is fixed with the circuit breaker, and every circuit breaker is all heavier, because the mounted position of circuit breaker is higher than ground, and the circuit breaker is heavier, and the staff who participates in the quality testing is mostly the women, because heavy difficult the moving, moves down on moving, pulls out propulsive in-process, and operation security is unstable, and intensity of labour is big and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the circuit breaker shifting device can be quickly adjusted and positioned and is convenient for pulling a circuit breaker.

For solving the technical problem, the utility model provides a circuit breaker shift unit sets up in the one end of circuit breaker tool car for with the handle cooperation on the circuit breaker will the circuit breaker shifts out to the circuit breaker tool car in following the cubical switchboard, still be used for with the circuit breaker is followed the circuit breaker tool car moves in to in the cubical switchboard, including set up in circuit breaker shift unit who is close to cubical switchboard one end on the circuit breaker tool car, circuit breaker shift unit including set up in fixed block on the circuit breaker tool car, be used for the drive the fixed block orientation the actuating mechanism of cubical switchboard direction removal and return, articulate in move towards on the fixed block cubical switchboard one end with handle complex drag hook and one end with the drag hook is connected, the other end with the extension spring that the fixed block is connected.

Adopt above-mentioned structure, it extrudees the extension spring after the drag hook pressurized to set up circuit breaker aversion mechanism, the elastic force of extension spring drives drag hook elastic rotation, and paste with the handle butt of configuration on the circuit breaker and buckle, so that the pulling circuit breaker, and simultaneously, when pulling handle unblock circuit breaker hookup fixed position, also can play the effect that the restriction circuit breaker removed, and finally, start actuating mechanism, it removes to drive the drag hook, the corresponding position on the handle is buckled to the corresponding position butt of drag hook, so that pull-out circuit breaker overhauls, and convenient for operation, maintenance efficiency is improved, and labor intensity is reduced.

In order to reduce the moving interference, the end face of the non-hinged end of the draw hook is preferably provided with a round corner structure.

In order to prevent the circuit breaker from falling off and stabilize the state of overturning and abutting, the non-hinged end of the drag hook preferably extends outwards and obliquely upwards and is provided with an abutting part which horizontally extends towards the middle direction of the circuit breaker maintenance car.

For the convenience of adjusting positioning, as preferred, actuating mechanism including parallel arrangement in two guide bars on the circuit breaker tool car, parallel arrangement lead screw and drive between two guide bars the fixed block has all been worn to establish by lead screw pivoted driving motor, two guide bars, and the fixed block with the lead screw spiro union.

In order to facilitate the operation, preferably, the maintenance system further comprises a PLC electrically connected with the driving motor, wherein the PLC is electrically connected with an operation panel, and the operation panel is fixedly arranged on the circuit breaker maintenance vehicle.

In order to facilitate bearing of the pulled-out circuit breaker and avoid dropping, a carrier plate is arranged on the circuit breaker maintenance car as an optimal choice, and the carrier plate is located below the drag hook.

In order to facilitate movement guidance, the circuit breaker maintenance vehicle preferably further comprises a positioning mechanism for positioning the circuit breaker shifting mechanism and the circuit breaker benchmark, wherein the positioning mechanism comprises an axial motor arranged on the circuit breaker maintenance vehicle and a bolt connected with an output shaft of the axial motor; the bolt can be driven by the axial motor to move towards the switch cabinet to be inserted into a positioning hole of the switch cabinet, and when the bolt is inserted into the positioning hole, the position of the draw hook is aligned with the position of the handle so as to be capable of pulling the handle.

In order to simplify the structure and facilitate installation, preferably, the axial motor is connected with the PLC and fixedly arranged on the side wall of the circuit breaker maintenance vehicle facing the switch cabinet, and the output shaft of the axial motor faces the direction departing from the switch cabinet; the output shaft of the axial motor is fixedly provided with a first support, one end of the bolt is connected with the first support, and the other end of the bolt movably penetrates through the side wall of the switch cabinet towards the circuit breaker maintenance vehicle.

In order to simplify the structure and facilitate installation, preferably, a guide sleeve is arranged on the side wall of the circuit breaker maintenance vehicle, which faces the switch cabinet, in a penetrating manner at a position corresponding to the bolt, and the inner end of the guide sleeve extends into the circuit breaker maintenance vehicle; the bolt is located in the guide sleeve in an initial state, and penetrates out of the outer end of the guide sleeve to be matched with the positioning hole in a positioning mode in the positioning state.

For the convenience of forming elastic buffer when there is the deviation at the location interval, as preferred, positioning mechanism is still including locating the first support with circuit breaker tool car orientation second support between the lateral wall of cubical switchboard, correspond to on the second support fixed cover is worn to be equipped with in the position department of bolt, the bolt overcoat is equipped with the activity and wears to locate adapter sleeve in the fixed cover, the adapter sleeve with be connected with a pressure spring between the fixed cover, the adapter sleeve with be formed with the confession between the bolt the inner end male ring channel of uide bushing.

Has the advantages that: the utility model discloses set up positioning mechanism and take actuating mechanism of drag hook, when being convenient for front and back orientation location is fixed, still be convenient for pull out the circuit breaker and overhaul on the circuit breaker tool car, the simple operation, greatly reduced intensity of labour.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is the structure diagram of the circuit breaker shifting device of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a top view of fig. 1.

FIG. 4 is a view showing the use of the retractor and the pulling handle.

Fig. 5 is a state diagram of the positioning device in use.

The meaning of the reference symbols in the drawings is:

a fixed block-11; a draw hook-12; a holding portion-121; a tension spring-13;

PLC controller-14; an operation panel-141;

a guide rod-16; screw-161; a drive motor-162; a carrier plate-17;

an axial motor-21; a first support-221; a second bracket-222; a plug-23; a connecting sleeve-231; a fixed sleeve-232; a pressure spring-233; an annular groove-234; a guide sleeve-24; a handle-3.

Detailed Description

By figure 1, figure 2, figure 3, figure 4 and figure 5 show, the utility model discloses circuit breaker shift unit sets up in the one end of circuit breaker tool car for with the cooperation of 3 on the circuit breaker will the circuit breaker shifts out from the cubical switchboard to the circuit breaker tool car on, still be used for with the circuit breaker is followed the circuit breaker tool car moves in to in the cubical switchboard. The circuit breaker shifting device comprises a circuit breaker shifting mechanism and a positioning mechanism, wherein the circuit breaker shifting mechanism is arranged on the circuit breaker maintenance car and is close to one end of the switch cabinet, and the positioning mechanism is used for enabling the circuit breaker shifting mechanism to be positioned with the circuit breaker in a reference mode.

Breaker shift mechanism including set up in fixed block 11 on the circuit breaker tool car, be used for the drive fixed block 11 orientation the cubical switchboard direction removes and the actuating mechanism of return, articulate in on the fixed block 11 orientation cubical switchboard one end with 3 complex drag hook 12 of handle and one end with drag hook 12 is connected, the other end with the extension spring 13 that fixed block 11 is connected.

The end face of the non-hinged end of the drag hook 12 is arranged in a fillet structure; the non-hinged end of the draw hook 12 extends outwards and upwards in an inclined manner, and is provided with a supporting part 121 which horizontally extends towards the middle direction of the circuit breaker maintenance car.

The driving mechanism comprises two guide rods 16 arranged on the circuit breaker maintenance car in parallel, a screw rod 161 arranged between the two guide rods 16 in parallel and a driving motor 162 for driving the screw rod 161 to rotate, the two guide rods 16 penetrate through the fixed block 11, and the fixed block 11 is in threaded connection with the screw rod 161; the maintenance vehicle further comprises a PLC (programmable logic controller) 14 electrically connected with the driving motor 162, wherein the PLC 14 is electrically connected with an operation panel 141, and the operation panel 141 is fixedly arranged on the maintenance vehicle for the circuit breaker.

A carrier plate 17 is arranged on the circuit breaker maintenance car, and the carrier plate 17 is positioned below the draw hook 12.

The positioning mechanism comprises an axial motor 21 arranged on the circuit breaker maintenance car and a plug 23 connected with an output shaft of the axial motor 21; the bolt 23 can be driven by the axial motor 21 to move towards the switch cabinet so as to be inserted into a positioning hole of the switch cabinet, and when the bolt 23 is inserted into the positioning hole, the position of the draw hook 12 is aligned with the position of the handle 3 so as to be capable of pulling the handle 3.

The axial motor 21 is fixedly arranged on the side wall of the circuit breaker maintenance vehicle facing the switch cabinet, and an output shaft of the axial motor 21 faces a direction departing from the switch cabinet; a first support 221 is fixedly arranged on an output shaft of the axial motor 21, one end of the bolt 23 is connected with the first support 221, and the other end of the bolt movably penetrates through the side wall of the switch cabinet facing the circuit breaker maintenance vehicle.

A guide sleeve 24 penetrates through the side wall of the circuit breaker maintenance car, which faces the switch cabinet, at a position corresponding to the plug pin 23, and the inner end of the guide sleeve 24 extends into the circuit breaker maintenance car; the bolt 23 is located in the guide sleeve 24 in an initial state, and the bolt 23 penetrates out of the outer end of the guide sleeve 24 to be matched with the positioning hole in a positioning mode in a positioning state.

Positioning mechanism 2 is still including locating first support 221 with the circuit breaker tool car orientation second support 222 between the lateral wall of cubical switchboard, second support 222 is last corresponding to fixed cover 232 that wears to be equipped with in the position department of bolt 23, bolt 23 overcoat is equipped with the activity and wears to locate adapter sleeve 231 in fixed cover 232, adapter sleeve 231 with be connected with a pressure spring 233 between the fixed cover 232, adapter sleeve 231 with be formed with the confession between the bolt 23 the inner end male ring channel 234 of uide bushing 24.

The utility model discloses a use method as follows:

the outer side wall of the circuit breaker is provided with a connecting sleeve, a fixing rod is arranged on the connecting sleeve in a penetrating mode, one end of the fixing rod is provided with a spring in a sleeved mode, one end of the spring is fixed to the outer wall of the circuit breaker, the other end of the spring is fixedly arranged on the fixing rod, the other end of the fixing rod is provided with a handle 3, and the handle 3 is driven by elastic force to move back and be quickly and accurately located in an inserting mode. Handle 3 is hollow rectangular frame structure, and under the normality, the one end of handle 3 is that the level stretches out the circuit breaker under the elastic force effect, when needing the hasp, to the middle part direction pulling handle 3 of circuit breaker, the extrusion spring, treat that the circuit breaker puts into hand propelled cubical switchboard after, loosen handle 3 again, under the elastic force effect, the end that stretches out of handle 3 moves back and inserts the location connection of establishing at the downthehole formation of inner wall of cubical switchboard, realize the location of circuit breaker in hand propelled cubical switchboard, in order to guarantee positional stability and conveniently move, be equipped with two handles 3 usually.

When the breaker needs to be disassembled for maintenance, as shown in fig. 1, 3 and 5, the cabinet door of the switch cabinet is opened, then the car body 1 is pushed to the front of the cabinet door of the switch cabinet, according to the position of a positioning hole (not marked) on the breaker, after the car body is moved in place, the axial motor 21 is started, the first support 221 is moved to drive the bolt 23 to penetrate out of the guide sleeve 24, horizontally extend out and extend into the positioning hole on the switch cabinet, and the axial motor 21 is closed; in the process, the connecting sleeve 231 straightens the pressure spring 233, and the outer side of the guide sleeve 24 extends into the annular groove 234, so that the movable guide can be formed, and elastic buffering can be formed when the positioning distance has deviation, so that the outer wall of the circuit breaker is prevented from being damaged.

Then, as shown in fig. 1, 2 and 4, the handle 3 is pulled out manually, the connection between the circuit breaker and the hand-push type switch cabinet is unlocked and kept still, the driving motor 162 is started again, the screw rod 161 is driven to rotate, the screwed fixing block 11 moves along the guide rod 16 towards the breaker, in the moving process, the draw hook 12 extending obliquely upwards contacts with the frame of the handle 3, the end surface of the non-hinged end of the draw hook 12 is arranged in a round angle structure, the tension spring 13 is in a stretching state, the draw hook 12 rotates anticlockwise to reduce the projection length in the vertical direction (as shown by the dotted line position of the draw hook 12 in fig. 2) and moves through the frame of the handle 3 along with the elastic pressure yielding action of the tension spring 13, the power motor 162 is closed, the handle 3 is loosened, the handle 3 moves back under the elastic force, at this time, the side wall of the draw hook 12 abuts against the inner side wall of the corresponding side frame of the handle 3, and the abutting part 121 abuts against the outer wall of the corresponding side frame of the handle 3 (as shown in fig. 4).

Finally, the driving motor 162 is started again, the screw rod 161 is driven to rotate, the fixing block 11 is made to move horizontally outwards, the supporting portion 121 is abutted to the frame of the pulling handle 3, the circuit breaker is pulled out of the switch cabinet, and the pulled circuit breaker just moves to the support plate 17 so as to be convenient to overhaul.

After the overhaul, as shown in fig. 2, fig. 3 and fig. 4, start driving motor 162, drive lead screw 161 and rotate and make 11 horizontal migration of fixed block and with the lateral wall butt of circuit breaker, drag hook 12 also removes thereupon and leans on the outer wall of circuit breaker, during fixed block 11 promoted the circuit breaker and moves back to the cubical switchboard thereupon, at this in-process, the inside wall that drag hook 12 lateral wall and two handles 3 correspond the side frame all keeps the butt, the circuit breaker can not take place the skew in the moving direction.

In the using process, the horizontal plane of the support plate 17 is flush with the horizontal plane of the bottom of the hand-push type switch cabinet, an operator only needs to translate the support plate 17 of the vehicle body 1 without moving the breaker up and down, the breaker can be conveniently moved back, the axial motor 21 and the driving motor 162 are both connected with the PLC controller 14, the PLC controller 14 is provided with an operation plate 141, and the operator only needs to visually observe and open and close the corresponding motor on the operation plate 141 to complete the operation content; in this embodiment, the PLC controller 14 mainly issues an operation instruction for opening and closing, and the content of the operation program is not involved, so the use of the PLC controller 14 is not described again; meanwhile, the breaker servicing cart should also be adapted with a power supply, such as a storage battery, for supplying power to the PLC controller 14, the operation panel 141, the driving motor 162 and the axial motor 21, so as to provide sufficient power output, and the connections between the relevant components and the storage battery are not described herein.

Furthermore, the handle 3 of the present embodiment has no uniqueness, and the handle 3 and the holding portion 121 are preferably formed to be fastened to each other in an abutting manner during the movement of the retractor 12.

Claims

1. The utility model provides a circuit breaker shift unit, sets up in the one end of circuit breaker tool car for with handle (3) cooperation on the circuit breaker will the circuit breaker moves out to the circuit breaker tool car from the cubical switchboard on, still be used for with the circuit breaker follow the circuit breaker tool car move in to in the cubical switchboard, its characterized in that: including set up in be close to the circuit breaker shift mechanism of cubical switchboard one end on the circuit breaker tool car, circuit breaker shift mechanism including set up in fixed block (11), be used for the drive on the circuit breaker tool car fixed block (11) orientation the cubical switchboard direction removes and the actuating mechanism of return, articulate in orientation on fixed block (11) cubical switchboard one end with handle (3) complex drag hook (12) and one end with drag hook (12) are connected, the other end with extension spring (13) that fixed block (11) are connected.

2. The circuit breaker displacement apparatus of claim 1, wherein: the end face of the non-hinged end of the drag hook (12) is arranged in a fillet structure.

3. The circuit breaker displacement apparatus of claim 2, wherein: the non-hinged end of the draw hook (12) extends outwards and upwards in an inclined mode, and is provided with a supporting portion (121) extending towards the middle of the circuit breaker maintenance car in a horizontal mode.

4. The circuit breaker displacement apparatus of claim 1, wherein: actuating mechanism including parallel arrangement in two guide bar (16), parallel arrangement lead screw (161) and the drive between two guide bar (16) on the circuit breaker tool car lead screw (161) pivoted driving motor (162), fixed block (11) have all been worn to establish in two guide bar (16), and fixed block (11) with lead screw (161) spiro union.

5. The circuit breaker displacement apparatus of claim 4, wherein: still include with PLC controller (14) that driving motor (162) electricity is connected, PLC controller (14) electricity is connected with operation panel (141), operation panel (141) set firmly on the circuit breaker tool car.

6. The circuit breaker displacement apparatus of claim 4, wherein: a carrier plate (17) is arranged on the circuit breaker maintenance car, and the carrier plate (17) is positioned below the draw hook (12).

7. The circuit breaker displacement apparatus of claim 5, wherein: the circuit breaker maintenance vehicle further comprises a positioning mechanism used for enabling the circuit breaker shifting mechanism to be positioned with the circuit breaker reference, wherein the positioning mechanism comprises an axial motor (21) arranged on the circuit breaker maintenance vehicle and a plug pin (23) connected with an output shaft of the axial motor (21); the bolt (23) can be driven by the axial motor (21) to move towards the switch cabinet so as to be inserted into a positioning hole of the switch cabinet, and when the bolt (23) is inserted into the positioning hole, the position of the draw hook (12) is aligned with the position of the handle (3) so as to be capable of drawing the handle (3).

8. The circuit breaker displacement apparatus of claim 7, wherein: the axial motor (21) is electrically connected with the PLC (14) and fixedly arranged on the side wall of the circuit breaker maintenance car facing the switch cabinet, and the output shaft of the axial motor (21) faces the direction deviating from the switch cabinet; a first support (221) is fixedly arranged on an output shaft of the axial motor (21), one end of the bolt (23) is connected with the first support (221), and the other end of the bolt movably penetrates through the side wall of the switch cabinet towards the circuit breaker maintenance vehicle.

9. The circuit breaker displacement apparatus of claim 8, wherein: a guide sleeve (24) penetrates through the position, corresponding to the plug pin (23), of the side wall, facing the switch cabinet, of the circuit breaker maintenance vehicle, and the inner end of the guide sleeve (24) extends into the circuit breaker maintenance vehicle; the plug pin (23) is located in the guide sleeve (24) in an initial state, and the plug pin (23) penetrates out of the outer end of the guide sleeve (24) in a positioning state to be matched with the positioning hole in a positioning mode.

10. The circuit breaker displacement apparatus of claim 9, wherein: positioning mechanism (2) are still including locating first support (221) with circuit breaker tool car orientation second support (222) between the lateral wall of cubical switchboard, correspond to on second support (222) fixed cover (232) of wearing to be equipped with in position department of bolt (23), bolt (23) overcoat is equipped with the activity and wears to locate adapter sleeve (231) in fixed cover (232), adapter sleeve (231) with be connected with a pressure spring (233) between fixed cover (232), adapter sleeve (231) with be formed with the confession between bolt (23) the inner end male ring channel (234) of uide bushing (24).