CN111463080A - External operating mechanism of circuit breaker of high-voltage switch cabinet and use method thereof - Google Patents

External operating mechanism of circuit breaker of high-voltage switch cabinet and use method thereof Download PDF

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Publication number
CN111463080A
CN111463080A CN201910058939.6A CN201910058939A CN111463080A CN 111463080 A CN111463080 A CN 111463080A CN 201910058939 A CN201910058939 A CN 201910058939A CN 111463080 A CN111463080 A CN 111463080A
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CN
China
Prior art keywords
frame
circuit breaker
voltage switch
switch cabinet
connecting rod
Prior art date
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Pending
Application number
CN201910058939.6A
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Chinese (zh)
Inventor
陆平
黄达宗
陆正平
周晓光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Kunda Power Technology Co ltd
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Shanghai Kunda Power Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shanghai Kunda Power Technology Co ltd filed Critical Shanghai Kunda Power Technology Co ltd
Priority to CN201910058939.6A priority Critical patent/CN111463080A/en
Publication of CN111463080A publication Critical patent/CN111463080A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/12Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/167Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)

Abstract

The invention relates to an external operating mechanism of a circuit breaker of a high-voltage switch cabinet and a using method thereof. Therefore, the external operating mechanism of the circuit breaker of the high-voltage switch cabinet can replace workers to operate the opening and closing knobs of the circuit breaker, so that safety risks caused by the fact that the workers manually and directly operate the circuit breaker are avoided.

Description

External operating mechanism of circuit breaker of high-voltage switch cabinet and use method thereof
Technical Field
The invention relates to an external operating mechanism of a circuit breaker of a high-voltage switch cabinet and a using method thereof.
Background
In transformer substation or other power transmission and distribution occasions, high tension switchgear can often be used, the circuit breaker is installed to high tension switchgear the inside, often by staff manually operation circuit breaker's divide-shut brake knob among the prior art, there is the potential safety hazard in the operation of manual control transformer substation high tension switchgear circuit breaker switch-off, closing, mechanical or electrical safety arrangement in the inside of high tension switchgear in case the mechanical card of accident is dead, became invalid, perhaps electrical fault, can lead to taking place electrical safety accident at the personnel of positive divide-shut brake operation.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide an external circuit breaker operating mechanism for a high voltage switch cabinet and a method for using the same, which can avoid safety risks caused by direct manual operation of a circuit breaker by a worker.
In order to achieve the purpose, the invention provides an external operating mechanism of a circuit breaker of a high-voltage switch cabinet, which adopts the following technical scheme: an external operating device of circuit breaker of high tension switchgear, includes:
the rack comprises an upper frame and a connecting frame, the upper frame is positioned above the connecting frame, and a guide rod extending up and down is connected between the upper frame and the connecting frame;
the frame is connected to the guide rod in a sliding mode and comprises a mounting frame and a bottom frame, the mounting frame is located above the bottom frame, a traveling wheel is arranged on the bottom frame, and the traveling wheel is driven by a first driving device to rotate;
one end of the lifting device is connected to the frame, and the other end of the lifting device is connected to the frame; the lifting device is driven by the second driving device to drive the frame to ascend or descend;
the moving frame is arranged on the mounting frame, a horizontally extending sliding rail is arranged on the mounting frame, the moving frame is in sliding fit with the sliding rail, and the moving frame is driven by the third driving device to move along the sliding rail;
the operation shaft is installed on the moving frame, the moving frame is provided with a bearing seat, the operation shaft is rotatably installed on the bearing seat, one end of the operation shaft is provided with a connecting interface matched with a switching-on and switching-off knob of a circuit breaker of the high-voltage switch cabinet, the other end of the operation shaft is connected with a fourth driving device, and the fourth driving device can drive the operation shaft to rotate forwards or backwards.
Preferably, the frame is provided with a sliding block in sliding fit with the guide rod.
Preferably, the first driving device comprises a first motor and a driving shaft which are installed on the frame, the first motor is provided with a driving gear, the driving shaft is provided with a driven gear which is meshed with the driving gear, and the driving shaft is connected with the first motor.
Preferably, elevating gear is including articulating head rod and the second connecting rod in the mounting bracket bottom to and articulate third connecting rod and the fourth connecting rod at the link top, the upper end of head rod and second connecting rod articulates together, the lower extreme of third connecting rod and fourth connecting rod articulates together, the lower extreme of head rod and the upper end of third connecting rod articulate on first thread bush, the lower extreme of second connecting rod and the upper end of fourth connecting rod articulate on second thread bush, first thread bush and the equal transmission of second thread bush are connected on first drive lead screw, first drive lead screw is rotatory by the drive of second motor.
More preferably, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are equal in length and enclose a parallelogram.
Preferably, the third driving device comprises a driving nut connected to the moving frame, the driving nut is in transmission connection with a second driving lead screw parallel to the sliding rail, and the second driving lead screw is driven by a third motor to rotate.
Preferably, the fourth driving device is a fourth motor.
Preferably, a sensor for detecting the distance between the high-voltage switch cabinet and the moving frame is arranged on the moving frame.
The invention also provides a use method of the external operating mechanism of the circuit breaker of the high-voltage switch cabinet, which is corresponding to the external operating mechanism of the circuit breaker of the high-voltage switch cabinet, and the operation is carried out by using the external operating mechanism of the circuit breaker of the high-voltage switch in the technical scheme or any preferable technical scheme, and the method comprises the following steps:
1) the first driving device drives the travelling wheels to rotate so as to enable the operating mechanism to move to the vicinity of the high-voltage switch cabinet;
2) the second driving device drives the lifting device to push the frame upwards, the mounting frame, the bottom frame and the travelling wheels are lifted upwards together, the connecting frame is supported on the ground, and the mounting frame moves upwards to drive the moving frame to move until the operating shaft is aligned with the opening and closing knob of the circuit breaker;
3) the third driving device drives the moving frame to move towards the high-voltage switch cabinet so that the connecting interface of the operating shaft is connected and matched with the opening and closing knob of the circuit breaker;
4) the fourth driving device drives the operating shaft to rotate so as to open or close the circuit breaker.
Preferably, the method further comprises the following steps:
5) after the breaker is opened or closed, the control device starts the third driving device to drive the moving frame to be far away from the high-voltage switch cabinet, so that the connecting interface of the operating shaft is separated from the opening and closing knob of the breaker;
6) after the connecting interface and the opening and closing knob of the circuit breaker are separated and reset, the control device controls the second driving device to drive the lifting device to enable the frame to move downwards, the mounting frame, the bottom frame and the travelling wheels move downwards together and enable the travelling wheels to land, the connecting frame leaves the ground, and the second driving device stops moving;
7) after the second driving device stops moving, the control device controls the first driving device to drive the traveling wheels to travel along the ground, and the external operating mechanism of the circuit breaker of the high-voltage switch cabinet is moved away.
As described above, the external operating mechanism for the circuit breaker of the high-voltage switch cabinet and the use method thereof provided by the invention have the following beneficial effects: according to the external operating mechanism of the circuit breaker of the high-voltage switch cabinet, disclosed by the invention, the mode that a worker directly operates the circuit breaker manually can be replaced, the worker operates the external operating mechanism of the circuit breaker to move to the vicinity of the high-voltage switch cabinet, the connection interface of the operating shaft is aligned and matched with the opening and closing knob of the circuit breaker of the high-voltage switch cabinet by controlling the first driving device, the second driving device and the third driving device, and then the fourth driving device drives the operating shaft to rotate so as to open or close the circuit breaker. Therefore, the external operating mechanism of the circuit breaker of the high-voltage switch cabinet can replace workers to operate the opening and closing knobs of the circuit breaker, so that safety risks caused by the fact that the workers manually and directly operate the circuit breaker are avoided.
Drawings
Fig. 1 is a front view of an external operating mechanism of a circuit breaker of a high-voltage switch cabinet.
Fig. 2 is a left side view of an external operating mechanism of a circuit breaker of a high-voltage switch cabinet according to the invention.
Fig. 3 is a schematic diagram of a control system of an external operating mechanism of a circuit breaker of a high-voltage switch cabinet according to the present invention.
Description of the element reference numerals
1 vehicle frame
2 travelling wheel
3 mounting rack
4 connecting frame
5 guide rod
6 lifting device
7 moving rack
8 sliding rail
9 operating shaft
10 bearing seat
11 connection interface
12 upper frame
13 underframe
14 first electric machine
15 drive shaft
16 drive gear
17 driven gear
18 first connecting rod
19 second connecting rod
20 third connecting rod
21 fourth connecting rod
22 first thread bush
23 second screw sleeve
24 first drive screw
25 second electric machine
26 drive nut
27 second drive screw
28 third electric machine
29 fourth electric machine
30 sensor
31 frame
32 slide block
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 and 2, the present invention provides an external operating mechanism for a circuit breaker of a high voltage switch cabinet, comprising:
the frame 31 comprises an upper frame 12 and a connecting frame 4, wherein the upper frame 12 is positioned above the connecting frame 4, and a guide rod 5 extending up and down is connected between the upper frame 12 and the connecting frame 4;
the frame 1 is connected to the guide rod 5 in a sliding mode and comprises a mounting frame 3 and an underframe 13, the mounting frame 3 is located above the underframe 13, a walking wheel 2 is arranged on the underframe 13, and the walking wheel 2 is driven by a first driving device to rotate;
one end of the lifting device 6 is connected to the frame 31, and the other end of the lifting device is connected to the frame 1; the lifting device 6 is driven by a second driving device to drive the frame 1 to ascend or descend;
the moving frame 7 is installed on the installation frame 3, a sliding rail 8 extending horizontally is arranged on the installation frame 3, the moving frame 7 is in sliding fit with the sliding rail 8, and the moving frame 7 is driven by a third driving device to move along the sliding rail 8;
the operating shaft 9 is installed on the moving frame 7, a bearing seat 10 is arranged on the moving frame 7, the operating shaft 9 is rotatably installed on the bearing seat 10, one end of the operating shaft 9 is provided with a connecting interface 11 matched with a switching-on and switching-off knob of a high-voltage switch cabinet breaker, the other end of the operating shaft is connected with a fourth driving device, and the fourth driving device can drive the operating shaft 9 to rotate forwards or backwards.
The external operating mechanism of the circuit breaker of the high-voltage switch cabinet can replace a mode that a worker directly operates the circuit breaker manually, the external operating mechanism of the circuit breaker is operated by the worker to move to the vicinity of the high-voltage switch cabinet, the connection interface 11 of the operating shaft 9 is aligned and matched with the opening and closing knob of the circuit breaker of the high-voltage switch cabinet by controlling the first driving device, the second driving device and the third driving device, and then the fourth driving device drives the operating shaft 9 to rotate so as to open or close the circuit breaker. Therefore, the external operating mechanism of the circuit breaker of the high-voltage switch cabinet can replace workers to operate the opening and closing knobs of the circuit breaker, so that safety risks caused by the fact that the workers manually and directly operate the circuit breaker are avoided.
When the external operating mechanism of the circuit breaker of the high-voltage switch cabinet is used, the first driving device is controlled to enable the whole circuit breaker operating mechanism to horizontally move so as to adjust the horizontal direction position of the operating shaft 9, the second driving device is controlled to enable the mounting frame 3 and the moving frame 7 to vertically move so as to adjust the vertical direction position of the operating shaft 9, the third driving device is controlled to enable the moving frame 7 and the operating shaft 9 to be close to the switch-on/off knob of the circuit breaker of the high-voltage switch cabinet along the axial direction of the operating shaft 9, therefore, the first driving device, the second driving device and the third driving device are controlled to enable the operating shaft 9 to be aligned with the switch-on/off knob of the high-voltage switch cabinet and connected and matched with the switch-on/off knob, and then the fourth driving device is controlled to enable the operating shaft 9 to rotate so as to switch-on/off the.
Referring to fig. 1, the frame 1 is slidably connected to the guide rod 5 of the frame 31, as a preferred embodiment, the frame 1 is provided with a slide block 32 slidably engaged with the guide rod 5, the frame 1 may be connected with a plurality of slide blocks 32, the frame 31 is provided with more than two guide rods 5, and each guide rod 5 is connected with a plurality of slide blocks 32 connected to the frame 1. This makes the frame 1 relatively stable during the lifting movement.
In the external operating mechanism for the circuit breaker of the high voltage switch cabinet, the first driving device drives the traveling wheels 2 to travel on the ground, as a preferred embodiment, referring to fig. 1, the first driving device includes a first motor 14 and a driving shaft 15 mounted on the frame 1, a driving gear 16 is mounted on the first motor 14, a driven gear 17 engaged with the driving gear 16 is mounted on the driving shaft 15, the driving shaft 15 is connected with the first motor 14, and the driving gear 16 driven by the rotation of the first motor 14 drives the driven gear 17 and the driving shaft 15 to rotate, so that the traveling wheels 2 can travel on the ground.
In the external operating mechanism of the circuit breaker of the high-voltage switch cabinet, the lifting device 6 can jack up the frame 1, so that the connecting frame 4 at the lower end of the rack 31 is supported on the ground to prevent the walking wheel 2 from driving the external operating mechanism of the circuit breaker to move; and simultaneously causes the mounting frame 3, the moving frame 7 and the operating shaft 9 to ascend or descend. As a preferred embodiment, as shown in fig. 1, the lifting device 6 comprises a first connecting rod 18 and a second connecting rod 19 hinged to the bottom of the mounting frame 3, and a third connecting rod 20 and a fourth connecting rod 21 hinged to the top of the connecting frame 4, wherein the upper ends of the first connecting rod 18 and the second connecting rod 19 are hinged together, the lower ends of the third connecting rod 20 and the fourth connecting rod 21 are hinged together, the lower end of the first connecting rod 18 and the upper end of the third connecting rod 20 are hinged to a first threaded sleeve 22, the lower end of the second connecting rod 19 and the upper end of the fourth connecting rod 21 are hinged to a second threaded sleeve 23, the first threaded sleeve 22 and the second threaded sleeve 23 are both in transmission connection with a first driving lead screw 24, and the first driving lead screw 24 is driven to rotate by a second motor 25. Preferably, the first connecting rod 18, the second connecting rod 19, the third connecting rod 20 and the fourth connecting rod 21 are equal in length and enclose a parallelogram. The screw thread turning directions of the first screw thread sleeve 22 and the second screw thread sleeve 23 are opposite, and the screw thread turning directions of two sides of the middle position of the first driving lead screw 24 are also opposite, as shown in fig. 1, the first screw thread sleeve 22 is in screw thread fit with the left section of the first driving lead screw 24, and the second screw thread sleeve 23 is in screw thread fit with the right side of the second driving lead screw 2724, so that when the second motor 25 rotates to drive the first driving lead screw 24 to rotate, the first screw thread sleeve 22 and the second screw thread sleeve 23 approach or separate from each other along the axial direction of the first driving lead screw 24, so that the lifting device 6 extends or shortens, and the frame 1 is driven to ascend or descend.
In the external operating mechanism for the circuit breaker of the high-voltage switch cabinet, the moving frame 7 is driven by a third driving device to move along the slide rail 8, and as a preferred embodiment, as shown in fig. 1, the third driving device comprises a driving nut 26 connected to the moving frame 7, the driving nut 26 is in transmission connection with a second driving lead screw 27 parallel to the slide rail 8, and the second driving lead screw 27 is driven by a third motor 28 to rotate. Thus, the third motor 28 drives the second driving screw 27 to rotate forward or backward to drive the movable frame 7 to reciprocate along the slide rail 8 on the mounting frame 3. In order to accurately align the operating shaft 9 with the switching knob of the circuit breaker and prevent the operating shaft 9 from moving too much and striking the switch cabinet or moving insufficiently and being unable to connect with the switching knob of the circuit breaker, as a preferred embodiment, the moving frame 7 is provided with a sensor 30 for detecting the distance between the high-voltage switch cabinet and the moving frame 7. The sensor 30 detects the distance between the moving frame 7 and the switch cabinet, so as to judge the distance between the operating shaft 9 and the opening and closing knob of the circuit breaker, thereby controlling the movement of the third driving device and further controlling the moving amount of the moving frame 7.
In the external operating mechanism for the circuit breaker of the high-voltage switch cabinet, the operating shaft 9 is driven by the fourth driving device to rotate, so that the opening and closing knob of the circuit breaker can be operated to open or close the circuit breaker. Preferably, an electric motor may be employed as the fourth driving means, and the fourth driving means is a fourth electric motor 29.
In the external operating mechanism for a circuit breaker of a high voltage switch cabinet of the present invention, please refer to fig. 3, the first motor 14, the second motor 25, the third motor 28, and the fourth motor 29 are all connected to a control device, please refer to fig. 1, when the external operating mechanism for a circuit breaker of a high voltage switch cabinet of the present invention is used to open and close the circuit breaker of the high voltage switch cabinet, a worker operates the control device to control the first motor 14, the second motor 25, the third motor 28, and the fourth motor 29 to move, thereby completing the opening and closing operation of the circuit breaker of the high voltage switch cabinet. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet can be provided with a visual operating panel, a photoelectric sensor and other parts, so that a worker can conveniently operate and control the external operating mechanism of the circuit breaker, and a remote control operating device can be used for controlling each driving device in the external operating mechanism of the circuit breaker.
The invention also provides a use method of the external operating mechanism of the circuit breaker of the high-voltage switch cabinet, which is corresponding to the external operating mechanism of the circuit breaker of the high-voltage switch cabinet, and the operation is carried out by using the external operating mechanism of the circuit breaker of the high-voltage switch in the technical scheme or any preferable technical scheme, and the method comprises the following steps:
1) the first driving device drives the travelling wheels 2 to rotate so as to enable the external operating mechanism to move to the vicinity of the high-voltage switch cabinet;
2) the second driving device drives the lifting device 6 to push the frame 1 upwards, the mounting frame 3, the bottom frame 13 and the travelling wheels 2 are lifted upwards together, the connecting frame 4 is supported on the ground, and the mounting frame 3 moves upwards to drive the moving frame 7 to move until the operating shaft 9 is aligned with the opening and closing knob of the circuit breaker;
3) the third driving device drives the moving frame 7 to move towards the high-voltage switch cabinet so as to enable the connecting interface 11 of the operating shaft 9 to be connected and matched with the opening and closing knob of the circuit breaker;
4) the fourth driving device drives the operating shaft 9 to rotate so as to open or close the circuit breaker.
5) After the breaker is opened or closed, the control device starts the third driving device to drive the moving frame 7 to be far away from the high-voltage switch cabinet, so that the connecting interface 11 of the operating shaft 9 is separated from the opening and closing knob of the breaker;
6) after the connection interface 11 and the switching-closing knob of the circuit breaker are separated and reset, the control device controls the second driving device to drive the lifting device 6 to enable the frame 1 to move downwards, the mounting frame 3, the bottom frame 13 and the walking wheels 2 move downwards together and enable the walking wheels 2 to land, the lifting device continues to be shortened to enable the connecting frame 4 to be lifted for a certain distance, and then the connecting frame 4 is enabled to be separated from the ground, and the second driving device stops moving;
7) after the second driving device stops moving, the control device controls the first driving device to drive the travelling wheels 2 to travel along the ground, and the external operating mechanism of the circuit breaker of the high-voltage switch cabinet is moved away.
The use method of the external operating mechanism for the circuit breaker of the high-voltage switch cabinet, disclosed by the invention, has the beneficial effects of the external operating mechanism for the circuit breaker of the high-voltage switch cabinet, and the description is omitted here.
According to the external operating mechanism of the circuit breaker of the high-voltage switch cabinet and the using method thereof, manual operation is replaced by the mechanical operating device, the process control is safe, reliable, reasonable and controllable, and the gap in operation control safety technology at home and abroad is filled.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides an external operating device of circuit breaker of high tension switchgear, characterized by includes:
the frame (31) comprises an upper frame (12) and a connecting frame (4), the upper frame (12) is positioned above the connecting frame (4), and a guide rod (5) extending up and down is connected between the upper frame (12) and the connecting frame (4);
the frame (1) is connected to the guide rod (5) in a sliding mode and comprises a mounting frame (3) and an underframe (13), the mounting frame (3) is located above the underframe (13), a walking wheel (2) is arranged on the underframe (13), and the walking wheel (2) is driven by a first driving device to rotate;
one end of the lifting device (6) is connected to the rack (31), and the other end of the lifting device is connected to the frame (1); the lifting device (6) is driven by a second driving device to drive the frame (1) to ascend or descend;
the moving frame (7) is installed on the installation frame (3), a sliding rail (8) extending horizontally is arranged on the installation frame (3), the moving frame (7) is in sliding fit with the sliding rail (8), and the moving frame (7) is driven by a third driving device to move along the sliding rail (8);
operating axis (9) is installed on removing frame (7), is equipped with bearing frame (10) on removing frame (7), operating axis (9) rotationally install on bearing frame (10), and the one end of operating axis (9) is equipped with and is used for connecting interface (11) with high tension switchgear circuit breaker divide-shut brake knob complex, and the other end is connected with fourth drive arrangement, and fourth drive arrangement can drive operating axis (9) corotation or reversal.
2. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 1, characterized in that: and a sliding block (32) in sliding fit with the guide rod (5) is arranged on the frame (1).
3. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 1, characterized in that: the first driving device comprises a first motor (14) and a driving shaft (15), the first motor (14) and the driving shaft (15) are mounted on the frame (1), a driving gear (16) is mounted on the first motor (14), a driven gear (17) meshed with the driving gear (16) is mounted on the driving shaft (15), and the driving shaft (15) is connected with the first motor (14).
4. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 1, characterized in that: the lifting device (6) comprises a first connecting rod (18) and a second connecting rod (19) which are hinged to the bottom of the mounting frame (3), a third connecting rod (20) and a fourth connecting rod (21) which are hinged to the top of the connecting frame (4), the upper ends of the first connecting rod (18) and the second connecting rod (19) are hinged together, the lower ends of the third connecting rod (20) and the fourth connecting rod (21) are hinged together, the lower end of the first connecting rod (18) and the upper end of the third connecting rod (20) are hinged to a first threaded sleeve (22), the lower end of the second connecting rod (19) and the upper end of the fourth connecting rod (21) are hinged to a second threaded sleeve (23), the first threaded sleeve (22) and the second threaded sleeve (23) are in transmission connection with a first driving lead screw (24), and the first driving lead screw (24) is driven by a second motor (25) to rotate.
5. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 4, characterized in that: the first connecting rod (18), the second connecting rod (19), the third connecting rod (20) and the fourth connecting rod (21) are equal in length and enclose a parallelogram.
6. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 1, characterized in that: the third driving device comprises a driving nut (26) connected to the moving frame (7), the driving nut (26) is in transmission connection with a second driving lead screw (27) parallel to the sliding rail (8), and the second driving lead screw (27) is driven by a third motor (28) to rotate.
7. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 1, characterized in that: the fourth driving device is a fourth motor (29).
8. The external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 1, characterized in that: and a sensor for detecting the distance between the high-voltage switch cabinet and the moving frame (7) is arranged on the moving frame (7).
9. A method for using the external operating mechanism of the circuit breaker of the high-voltage switch cabinet, which utilizes the external operating mechanism of the circuit breaker of the high-voltage switch as claimed in claim 1 to operate, comprising the following steps:
1) the first driving device drives the travelling wheels (2) to rotate so as to enable the external operating mechanism to move to the vicinity of the high-voltage switch cabinet;
2) the second driving device drives the lifting device (6) to push the frame (1) upwards, the mounting frame (3), the bottom frame (13) and the travelling wheels (2) are lifted upwards together, the connecting frame (4) is supported on the ground, and the mounting frame (3) moves upwards to drive the moving frame (7) to move until the operating shaft (9) is aligned with a switching-on and switching-off knob of the circuit breaker;
3) the third driving device drives the moving frame (7) to move towards the high-voltage switch cabinet so as to enable the connecting interface (11) of the operating shaft (9) to be connected and matched with the opening and closing knob of the circuit breaker;
4) the fourth driving device drives the operating shaft (9) to rotate so as to open or close the breaker.
10. The method for using the external operating mechanism of the circuit breaker of the high-voltage switch cabinet as claimed in claim 9, further comprising the steps of:
5) after the circuit breaker is opened or closed, the control device starts the third driving device to drive the moving frame (7) to be far away from the high-voltage switch cabinet, so that the connecting interface (11) of the operating shaft (9) is separated from the opening and closing knob of the circuit breaker;
6) after the connecting interface (11) and a switching-closing knob of the circuit breaker are separated and reset, the control device controls the second driving device to drive the lifting device (6) to enable the frame (1) to move downwards, the mounting frame (3), the bottom frame (13) and the walking wheels (2) move downwards together and enable the walking wheels (2) to land, the connecting frame (4) leaves the ground, and the second driving device stops moving;
7) after the second driving device stops moving, the control device controls the first driving device to drive the travelling wheels (2) to travel along the ground, and the external operating mechanism of the circuit breaker of the high-voltage switch cabinet is moved away.
CN201910058939.6A 2019-01-22 2019-01-22 External operating mechanism of circuit breaker of high-voltage switch cabinet and use method thereof Pending CN111463080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910058939.6A CN111463080A (en) 2019-01-22 2019-01-22 External operating mechanism of circuit breaker of high-voltage switch cabinet and use method thereof

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Application Number Priority Date Filing Date Title
CN201910058939.6A CN111463080A (en) 2019-01-22 2019-01-22 External operating mechanism of circuit breaker of high-voltage switch cabinet and use method thereof

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CN111463080A true CN111463080A (en) 2020-07-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111968877A (en) * 2020-09-17 2020-11-20 安徽普众机电有限公司 High-voltage vacuum circuit breaker structure
CN114724898A (en) * 2021-01-04 2022-07-08 中国石油天然气股份有限公司 Hand-operated transmission device of circuit breaker
CN116417876A (en) * 2023-06-12 2023-07-11 福建(泉州)哈工大工程技术研究院 Automatic operation executing device, robot and automatic operation method for switch cabinet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111968877A (en) * 2020-09-17 2020-11-20 安徽普众机电有限公司 High-voltage vacuum circuit breaker structure
CN114724898A (en) * 2021-01-04 2022-07-08 中国石油天然气股份有限公司 Hand-operated transmission device of circuit breaker
CN116417876A (en) * 2023-06-12 2023-07-11 福建(泉州)哈工大工程技术研究院 Automatic operation executing device, robot and automatic operation method for switch cabinet
CN116417876B (en) * 2023-06-12 2023-08-29 福建(泉州)哈工大工程技术研究院 Automatic operation executing device, robot and automatic operation method for switch cabinet

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