CN210628168U

CN210628168U - Reliable isolating switch of divide-shut brake

Info

Publication number: CN210628168U
Application number: CN201922154657.4U
Authority: CN
Inventors: 郭锡辉
Original assignee: Baoding Iridium Electrical Technology Co Ltd
Current assignee: Baoding Iridium Electrical Technology Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-05-26
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a reliable isolator of floodgate that divides and shuts, including mainly by the base, set up rotary insulator on the base, isolator main part and operating device that pillar insulator and plug-in strip constitute, operating device includes drive conveying unit and execution unit, execution unit includes the execution rim plate of being connected with drive conveying unit output, the eccentric orfice has been seted up on the execution rim plate, the eccentric orfice rotates with the one end of bent axle to be connected, the other end of bent axle rotates with the one end of dwang to be connected, the other end of dwang rotates with the base to be connected, still rotate the one end that is connected with the insulator spindle on the dwang, the other end of insulator spindle rotates with the plug-in strip; the vertical distance between the center of the eccentric hole and the center of the execution wheel disc is equal to the vertical stroke distance of the knife switch. The utility model adopts the above structure the reliable isolator of divide-shut brake, set up the dwang structure that eccentric orfice and execution rim plate and articulate structure replaced traditional complex construction through the setting for it is more reliable to open and shut the brake.

Description

Reliable isolating switch of divide-shut brake

Technical Field

The utility model relates to an electrical equipment technique especially relates to a reliable isolator of combined floodgate.

Background

The disconnecting switch (switch) is generally a high-voltage disconnecting switch, is frequently used in a high-voltage switching apparatus, and has the function of disconnecting a circuit without load current to ensure that the overhauled equipment has an obvious disconnection point with a power supply so as to ensure the safety of maintainers; before the switching equipment is in an operating state, the isolating switch is switched on, so that the isolating switch needs to be switched on and off for a long time through a manual operating mechanism.

And isolator generally adopts the operating device drive switch-blade's of dwang structure switching, but because the dwang structure is comparatively complicated for the final stroke distance of dwang is difficult for confirming, thereby leads to opening and shutting the floodgate not in place.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reliable isolator of floodgate that opens and shuts, set up the dwang structure that eccentric orfice and execution rim plate and articulate structure replaced traditional complex construction through the setting for the floodgate that opens and shuts is more reliable.

In order to achieve the above object, the utility model provides a reliable isolator of combined floodgate, including mainly by the base, set up rotary insulator, post insulator and the isolator main part and the operating device that the plug-in strip constitutes on the base, the operating device includes drive transfer unit and execution unit, the execution unit includes with the execution rim plate that drive transfer unit output is connected, set up the eccentric orfice on the execution rim plate, the eccentric orfice rotates with the one end of bent axle to be connected, the other end of bent axle rotates with the one end of dwang to be connected, the other end of dwang rotates with the base to be connected, still rotate on the dwang to be connected with the one end of insulator spindle, the other end of insulator spindle with the plug-in strip rotates to be connected;

and the vertical distance between the circle center of the eccentric hole and the circle center of the execution wheel disc is equal to the vertical stroke distance of the switch blade.

Preferably, the drive transmission unit is a manual-automatic drive transmission structure, and the drive transmission unit includes a manual drive part and an electric drive part.

Preferably, the manual driving part comprises a manual crank, and the manual crank is fixedly connected with the center of one side of the execution wheel disc.

Preferably, the electric driving part comprises a driving motor and a speed reducer connected with the output end of the driving motor, and the output end of the speed reducer is fixedly connected with the center of the other side of the execution wheel disc.

Preferably, the driving motor is a permanent magnet motor.

Therefore, the utility model adopts the above structure the reliable isolator of divide-shut brake, set up the dwang structure that eccentric orfice and execution rim plate and articulate structure replaced traditional complex construction through the setting for the switch is more reliable.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a switching-on/off state diagram of an isolator in which switching-on/off is reliable according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a closing structure of an isolation switch with reliable opening and closing according to an embodiment of the present invention;

fig. 3 is a schematic view of an opening/closing structure of an isolation switch according to an embodiment of the present invention;

fig. 4 is a top view of an operating mechanism of an isolation switch according to an embodiment of the present invention.

Wherein: 1. a drive motor; 2. a speed reducer; 3. closing; 4. an executive wheel disc; 5. dividing the positions; 6. a post insulator; 7. rotating the rod; 8. an insulating rod; 9. a base; 10. rotating the insulator; 11. a knife switch; 12. a crank; 13. an eccentric hole; 14. a stroke positioning unit; 15. a manual crank;

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.

Fig. 1 is a diagram showing an opening/closing state of a disconnector with reliable opening/closing operation according to an embodiment of the present invention, fig. 2 is a diagram showing a closing structure of a disconnector with reliable opening/closing operation according to an embodiment of the present invention, fig. 3 is a diagram showing an opening/closing structure of a disconnector with reliable opening/closing operation according to an embodiment of the present invention, fig. 4 is a diagram showing a plan view of an operating mechanism of a disconnector with reliable opening/closing operation according to an embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the structure of the present invention includes a main body of the disconnector mainly composed of a base 9, a rotary insulator 10 disposed on the base 9, a post insulator 6 and a knife switch 11, the operating mechanism includes a driving transmission unit and an execution unit, the execution unit includes an execution wheel 4 connected to an output end of the driving transmission unit, an eccentric hole 13 is, the eccentric hole 13 is rotatably connected with one end of a crankshaft, the other end of the crankshaft is rotatably connected with one end of a rotating rod 7, the other end of the rotating rod 7 is rotatably connected with a base 9, one end of an insulating rod 8 is also rotatably connected on the rotating rod 7, and the other end of the insulating rod 8 is rotatably connected with a knife switch 11;

the vertical distance between the center of the eccentric hole 13 and the center of the actuating disc 4 is equal to the vertical stroke distance of the knife switch 11. The original position of the eccentric hole 13 is located at one end of the execution wheel disc 4 far away from the isolating switch main body, the original position at the moment is a separating position 5, the position symmetrical to the separating position 5 about the circle center of the execution wheel disc 4 is a closing position 3, and the connecting points of the separating position 5, the closing position 3, the crank 12 and the rotating rod 7 are located on the same straight line.

Specifically, the drive transmission unit is a manual-automatic drive transmission structure and comprises a manual drive part and an electric drive part. Wherein, manual drive portion includes manual crank 15, and manual crank 15 is with executing one side center fixed connection of rim plate 4. The electric driving part comprises a driving motor 1 and a speed reducer 2 connected with the output end of the driving motor 1, and the output end of the speed reducer 2 is fixedly connected with the center of the other side of the execution wheel disc 4. And the driving motor 1 is a permanent magnet motor, and the motor cannot be burnt out once the locked rotor happens.

The operating mechanism further comprises a manual-automatic switching unit and a stroke positioning unit 14, wherein the stroke positioning unit 14 is a proximity sensor.

The working principle is as follows:

when a switching-on action is executed, the driving transmission unit drives the execution wheel disc 4 to rotate 180 degrees from the open position 5 to the closed position 3, the execution wheel disc 4 pulls the rotating rod 7 to rotate towards the direction of the switch blade 11, and the switch blade 11 falls onto a static contact of the post insulator 6 to realize switching-on under the support of the insulating rod 8; during opening, the driving transmission unit drives the execution wheel disc 4 to rotate 180 degrees from the closing position 3 to the opening position 5, the execution wheel disc 4 pulls the rotating rod 7 to rotate towards the direction far away from the switch blade 11, and the switch blade 11 is lifted up from the stationary contact of the post insulator 6 under the support of the insulating rod 8 to realize opening. The rotation angle of the rotating rod 7 in the opening and closing processes of the embodiment is 60 degrees.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a reliable isolator of combined floodgate, includes mainly by the base, set up in isolator main part and operating device that rotary insulator, post insulator and plug-in strip on the base are constituteed, its characterized in that: the operating mechanism comprises a driving transmission unit and an execution unit, the execution unit comprises an execution wheel disc connected with the output end of the driving transmission unit, an eccentric hole is formed in the execution wheel disc, the eccentric hole is rotatably connected with one end of a crankshaft, the other end of the crankshaft is rotatably connected with one end of a rotating rod, the other end of the rotating rod is rotatably connected with the base, one end of an insulating rod is further rotatably connected onto the rotating rod, and the other end of the insulating rod is rotatably connected with the switch blade;

2. The disconnecting switch with reliable opening and closing according to claim 1, characterized in that: the drive transmission unit is a manual-automatic drive transmission structure and comprises a manual drive part and an electric drive part.

3. The disconnecting switch with reliable opening and closing according to claim 2, characterized in that: the manual driving part comprises a manual crank, and the manual crank is fixedly connected with the center of one side of the execution wheel disc.

4. The disconnecting switch with reliable opening and closing according to claim 3, characterized in that: the electric driving part comprises a driving motor and a speed reducer connected with the output end of the driving motor, and the output end of the speed reducer is fixedly connected with the center of the other side of the execution wheel disc.

5. The disconnecting switch with reliable opening and closing according to claim 4, characterized in that: the driving motor is a permanent magnet motor.