CN112466685B

CN112466685B - Switch operating device

Info

Publication number: CN112466685B
Application number: CN202011253424.0A
Authority: CN
Inventors: 李玉鹏; 郑兆典; 陈家韶; 杨佳麟; 曾桂辉; 谢辉; 郑岳; 郑玮
Original assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2023-04-18
Anticipated expiration: 2040-11-11
Also published as: CN112466685A

Abstract

The invention belongs to the technical field of power equipment, and discloses a switch operating device which comprises an operating rod, an operating head, a camera shooting assembly, a first base and a second base. The length of the operating rod is adjustable, and the high-voltage isolating switch can be switched off or switched on without climbing; the first base comprises a base body and a transverse rotating shaft arranged on the base body, the operating rod is connected with the transverse rotating shaft and can drive the operating head to rotate around the radial direction of the operating rod, and the base body is arranged on the second base and can rotate around the vertical direction relative to the second base, so that the operating rod can rotate around the axial direction of the operating head to adjust the direction of the operating head, and the operation is convenient and labor-saving; the camera assembly comprises a camera and an illuminating lamp and is used for shooting the position of the operating head relative to the lifting hole and supplementing light rays, and a maintainer adjusts the position of the operating head according to images shot and transmitted by the camera so as to smoothly insert the operating head into the lifting hole of the conductive switch blade; be provided with first chamber that holds on the action bars, the rotatable recovery of operating head is in order to prevent to damage to first holding the intracavity.

Description

Switch operating device

Technical Field

The invention relates to the technical field of power equipment, in particular to a switch operating device.

Background

High voltage disconnectors are important switching elements in electrical systems of power plants and substations for isolating voltage to reduce the risk of electric shock for service personnel during service work. The switch operating device is used for opening or closing the high-voltage isolating switch.

The high-voltage isolating switch comprises a conductive knife switch and two binding posts which are arranged at intervals, and the conductive knife switch is hinged with one of the binding posts. The top of the switch operation device is provided with an operation head, the conductive switch blade is provided with a lifting lug, the operation head extends into the lifting lug to drive the conductive switch blade to rotate, when the conductive switch blade rotates to be in contact with another terminal, the two terminals are electrically conducted and switched on, an electrical system normally works, and when the conductive switch blade rotates to be separated from the other terminal, a circuit is switched off.

In order to avoid the electric shock caused by the touch of lifting hands of people, the high-voltage isolating switch is arranged at a higher position. The maintainer often needs to climb to in the hand-lift switch operating means makes the operating head at top extend the lewis hole of electrically conductive plug-in strip, the operation is very inconvenient, and work efficiency is lower, has certain safe risk. And the size of lewis hole is less, and the maintainer is difficult to see clearly the concrete position of lewis hole, operates the difficulty when inserting the operating head in the lewis hole. In addition, the operating head is fragile and easy to be damaged by collision of external equipment, the service life of the operating head is shortened, and the maintenance cost is increased.

Disclosure of Invention

The invention aims to provide a switch operating device which can be used for disconnecting or closing a high-voltage isolating switch without climbing, so that the safety risk is reduced, the operation is convenient and labor-saving when an operating head is stretched into a hanging hole of a conductive knife switch, the fragile operating head can be protected, the service life of the operating head is prolonged, and the maintenance cost is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a switch operating device comprising:

the length of the operating rod is adjustable, and a first accommodating cavity is formed in the operating rod;

the operating head is rotatably arranged on the operating rod and can be rotatably recovered into the first accommodating cavity;

a camera assembly disposed on the operating rod, the camera assembly including a camera configured to photograph a position of the operating head relative to the switch and an illumination lamp to illuminate the operating head;

the first base comprises a base body and a transverse rotating shaft arranged on the base body, and the operating rod is connected with the transverse rotating shaft;

the base body is arranged on the second base and can rotate around the vertical direction relative to the second base.

As a preferable aspect of the switch operating device provided by the present invention, the operating lever includes a telescopic rod and a telescopic tube, the telescopic rod partially extends into the telescopic tube, and a position of the telescopic rod in the telescopic tube is adjustable.

As a preferable scheme of the switch operating device provided by the invention, the switch operating device further comprises a locking member, and the locking member penetrates through the pipe wall of the telescopic pipe and tightly props against the telescopic rod.

As a preferable scheme of the switch operating device provided by the present invention, the telescopic rod is provided with an external thread, the inner wall of the telescopic tube is provided with an internal thread, and the telescopic rod is in threaded connection with the telescopic tube.

As a preferable scheme of the switch operating device provided by the present invention, the telescopic rod includes a first rod and a second rod, the first rod is provided with a ball head, the second rod is provided with a spherical groove, and the ball head is rotatably disposed in the spherical groove.

As a preferable scheme of the switch operating device provided by the invention, the operating head is provided with a groove, and the operating head is configured to be used for clamping a lifting lug of a conductive knife switch of the switch through the groove.

As a preferable aspect of the switch operating device provided by the present invention, the switch operating device further includes a backup operating head provided on the operating lever.

In a preferred embodiment of the switch operating device according to the present invention, the standby operating head is disposed at a top end of the operating rod and extends along a length direction of the operating rod, the operating rod is provided with a second accommodating chamber, the second accommodating chamber is closed at an end surface of the top end of the operating rod, and the standby operating head is slidably retracted into the second accommodating chamber.

As a preferable aspect of the switch operating device provided by the present invention, the switch operating device further includes a rotary driving member for driving the image pickup assembly to rotate around the radial direction of the operating lever.

As a preferable aspect of the switch operating device provided by the present invention, the operating rod is made of an insulating material.

The invention has the beneficial effects that:

the invention provides a switch operating device which comprises an operating rod, an operating head, a camera shooting assembly, a first base and a second base. The operating head can be inserted into a hanging hole of the conductive switch blade to drive the conductive switch blade to rotate, so that a circuit is switched off or switched on, the operating head is rotatably arranged on the operating rod, a first accommodating cavity is formed in the operating rod, after the switch operating device is used, the operating head is rotated and recovered into the first accommodating cavity, the wall of the first accommodating cavity can block external equipment from colliding with the operating head, the operating head is prevented from being damaged, the service life of the operating head is prolonged, and the maintenance cost is reduced; the length of the operating rod is adjustable, the operating rod can adapt to high-voltage isolating switches with different heights, and after an overhaul worker stands on the ground to adjust the operating rod to a proper length, the operating head at the top of the operating rod is extended to the high-voltage isolating switch for operation without climbing, so that the falling risk of the overhaul worker is reduced, and the safety of the overhaul worker is ensured; the first base comprises a base body and a transverse rotating shaft arranged on the base body, the operating rod is connected with the transverse rotating shaft, so that the operating rod can drive the operating head to rotate around the radial direction of the operating rod, the position of the operating head is adjusted, the operating head is aligned to a hanging hole of the conductive switch blade, and the operating head can be smoothly inserted into the hanging hole; the base body of the first base is arranged on the second base, the base body can rotate around the vertical direction relative to the second base, the operating rod is connected with the transverse rotating shaft, and the transverse rotating shaft is connected with the base body, so that the operating rod can rotate around the axial direction of the operating rod to adjust the direction of the operating head, the operating head faces towards a hanging hole of the conductive switch blade to be smoothly inserted, the first base and the second base act together to realize the multi-direction adjustment of the position of the operating head, an overhaul worker can stand on the second base to drive the operating rod to rotate along the axial direction or the radial direction of the operating rod, the position of the operating head relative to the hanging hole is not required to be adjusted by a hand-lifting switch operating device, and the operation is convenient and labor-saving; the camera assembly is arranged on the operating rod and comprises a camera and a lighting lamp, the camera is used for shooting the position of the operating head relative to the lifting hole, the position of the operating head is adjusted by an overhaul worker according to images shot and transmitted by the camera, the operating head is enabled to be smoothly inserted into the lifting hole of the conductive switch blade, the lighting lamp is used for supplementing light rays when the camera shoots, the picture shot by the camera is enabled to be clearer, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a switch operating device according to an embodiment of the present invention.

In the figure:

1-an operating lever; 2-operating the head; 3-a camera assembly; 4-a first base; 5-a second base; 6-standby operating head;

11-a telescopic rod; 12-a telescopic tube;

31-a camera; 32-lighting lamps; 33-a mounting member;

41-seat body; 42-transverse rotation axis;

111-a first rod; 112-a second rod; 121-a locking member;

1111-bulb.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used based on the orientations or positional relationships shown in the drawings for convenience of description and simplicity of operation, but do 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 1, the present embodiment provides a switch operating device for opening or closing a high voltage disconnector. The switch operating device comprises an operating rod 1, an operating head 2, a camera component 3, a first base 4 and a second base 5.

The length of the operating rod 1 is adjustable, and the operating rod can adapt to high-voltage isolating switches with different heights. The maintainer stands behind subaerial adjustment action bars 1 to required length, extends the operation of high voltage isolator department with operating head 2 at 1 top of action bars, need not climb, has reduced the risk that the maintainer falls, guarantees maintainer's safety.

The operating head 2 can be inserted into a hanging hole of the conductive knife switch to drive the conductive knife switch to rotate, so that the circuit is opened or closed. The operating head 2 is rotatably disposed on the operating rod 1. The operating rod 1 is provided with a first accommodating cavity. After switch operation device used the completion, made operating head 2 rotate and retrieve to the first intracavity that holds, the first chamber wall that holds the chamber can block external equipment collision operating head 2, prevents that operating head 2 from damaging, prolongs operating head 2's life, reduces cost of maintenance.

The camera module 3 is disposed on the operation lever 1. The camera assembly includes a camera 31 and an illumination lamp 32. The camera 31 is used for shooting the position of the operating head 2 relative to the hanging hole, and the position of the operating head 2 is adjusted by an overhaul worker according to images shot and transmitted by the camera 31 so that the operating head can be smoothly inserted into the hanging hole of the conductive switch blade. The illuminating lamp 32 is used for supplementing light rays when the camera 31 shoots, so that pictures shot by the camera 31 are clearer, and the working efficiency is improved.

The first base 4 includes a base body 41 and a transverse rotation shaft 42 disposed on the base body 41. The operating rod 1 is connected with the transverse rotating shaft 42, so that the operating rod 1 can drive the operating head 2 to rotate around the operating rod 1 in the radial direction, the position of the operating head 2 is adjusted, the operating head 2 is aligned to a hanging hole of the conductive knife switch, and the operating head 2 can be smoothly inserted into the hanging hole.

The first base 4 further includes a rotating portion. The base body 41 is fixedly connected with the rotating part. The rotating portion is disposed on the second base 5, and the rotating portion can rotate around the vertical direction relative to the second base 5, so that the seat body 41 fixedly connected with the rotating portion can rotate around the vertical direction relative to the second base 5. Since the operating rod 1 is connected with the transverse rotating shaft 42, and the transverse rotating shaft 42 is connected with the base body 41, the operating rod 1 can rotate vertically to adjust the direction of the operating head 2, so that the operating head 2 faces the hanging hole of the conductive knife switch for smooth insertion. The first base 4 and the second base 5 act together to adjust the position of the operating head 2 in multiple directions. The maintainer can stand on second base 5 and drive operating rod 1 along its axial or radial rotation, need not hand-lift switch operating means and can adjust the position of operating head 2 for the lewis hole, and convenient operation is laborsaving.

In the present embodiment, the operation lever 1 optionally includes a telescopic rod 11 and a telescopic tube 12. The telescopic rod 11 partially extends into the telescopic tube 12, and the position of the telescopic rod 11 in the telescopic tube 12 is adjustable. When the switch operating device is used, the length of the whole operating rod 1 can be adjusted by adjusting the position of the telescopic rod 11 in the telescopic pipe 12 so as to adapt to high-voltage isolating switches with different heights. After the operating rod 1 is adjusted to the required length, the telescopic rod 11 is fixed in the telescopic pipe 12 to be used, the operation is convenient and fast, and the working efficiency is high.

Optionally, a locking member 121 is provided on the extension tube 12. The locking member 121 passes through the tube wall of the telescopic tube 12 and abuts against the telescopic rod 11, so that the telescopic rod 11 is pressed against the tube wall of the telescopic tube 12 to fix the position of the telescopic rod 11 in the telescopic tube 12. In this embodiment, the locking member 121 is preferably a bolt. The pipe wall of the telescopic pipe 12 is provided with a threaded hole, when the length of the operating rod 1 is adjusted, the head of the bolt is screwed to be away from the telescopic rod 11, so that the telescopic rod 11 can smoothly slide in the telescopic pipe 12 until the required length is adjusted, the head of the bolt is screwed reversely, the bolt is tightly pressed against the telescopic rod 11, and the telescopic rod 11 is fixed in the telescopic pipe 12.

In other embodiments, in order to adjust the length of the operating rod 1, an external thread may be provided on the telescopic rod 11, an internal thread may be provided on the inner wall of the telescopic tube 12, and the telescopic rod 11 is in threaded connection with the telescopic tube 12. The position of the telescopic rod 11 in the telescopic tube 12 can be adjusted by screwing the telescopic rod 11, and the telescopic rod 11 can be fixed in the telescopic tube 12, so that the operation is convenient.

Optionally, a spare operating head 6 is also provided on the operating lever 1. The operating head 2 is worn more after long-time use, is easy to damage and cannot be used continuously. If the operating head 2 is damaged on the overhaul site, the high-voltage isolating switch can not be timely disconnected, and the overhaul process is affected. Set up reserve operating head 6 on action bars 1, replace it when operating head 2 damages and continue work, need not the on-the-spot operating head 2 of renewing that changes, improve work efficiency, guarantee to overhaul work normal clear.

Alternatively, the spare operating head 6 is provided at the tip of the operating lever 1 and extends in the lengthwise direction of the operating lever 1. The top of action bars 1 has seted up the second and has held the chamber. The second receiving chamber ends at the end face of the top end of the operating lever 1. The spare operating head 6 is located the second when not using and holds the intracavity, and the chamber wall that the second held the chamber can block that external equipment collides spare operating head 6, for spare operating head 6 provides the protection, avoids damaging. When the standby operating head 6 is needed to be used, the standby operating head 6 extends out of the second accommodating cavity to replace the damaged operating head 2 to continue the work of opening and closing the conductive knife switch.

Illustratively, a linear drive mechanism is disposed within the second receiving cavity. The output end of the linear driving mechanism is in transmission connection with the standby operating head 6 so as to drive the standby operating head 6 to extend out or retract into the second accommodating cavity, manual operation is not needed, and the working efficiency is improved. The linear drive mechanism is preferably a microcylinder.

Preferably, the operating head 2 is provided with a groove. When the operating head 2 stretches into the hanging hole of the conductive knife switch, the lifting lug of the conductive knife switch can be clamped by the groove, so that when the operating head 2 drives the conductive knife switch to rotate, the operating head 2 does not slide out of the hanging hole of the conductive knife switch, the opening and closing processes of the conductive knife switch are smoothly carried out, and the maintenance efficiency is improved. Furthermore, a groove is also formed on the standby operating head 6.

Preferably, the operating lever 1 is provided with a rotary drive. The camera module 3 includes a mounting member 33, and the camera 31 and the illumination lamp 32 are provided on the mounting member 33. The output end of the rotary driving member is in transmission connection with the mounting member 33 so as to drive the mounting member 33 to rotate around the radial direction of the operating rod 1, and the camera 31 and the illuminating lamp 32 which are positioned on the mounting member 33 rotate along with the mounting member, so that the shooting angle of the camera and the illuminating direction of the illuminating lamp can be adjusted, and the position of the operating head 2 relative to the hanging hole of the conductive knife switch can be observed conveniently. Rotatable camera module 3 can shoot the environment around the high voltage isolator who is located the eminence, and when the position of maintainer adjustment operating head 2, can avoid the part on the equipment collision action bars 1 around through watching camera module 3 shooting and the image of transmission, the improvement security. In addition, when the standby operating head 6 is started, the rotary driving part drives the camera assembly 3 to rotate upwards, so that the camera 31 and the illuminating lamp 32 face the standby operating head 6 to shoot the position of the standby operating head 6 relative to the hanging hole, and the standby operating head 6 is ensured to be accurately inserted into the hanging hole.

Preferably, the operating rod 1 is made of an insulating material to prevent electric shock of a service man. In this embodiment, the operating rod 1 is made of plastic, which has good insulation, low cost and light weight.

Optionally, be provided with anti-skidding structure on the action bars 1 to frictional force when increasing the hand and the contact of action bars 1, when preventing that maintainer manual drive action bars 1 from rotating, action bars 1 and hand relative slip improve the precision of operation, guarantee that operating head 2 adjusts to suitable position fast accurately. The anti-skid structure can be an anti-skid bump or an anti-skid pattern which is convexly arranged on the operating rod 1.

Example two

The present embodiment provides a switch operating device, and the difference between the present embodiment and the first embodiment is: the telescopic rod 11 comprises a first rod 111 and a second rod 112. The first rod 111 is provided with a ball 1111, the second rod 112 is provided with a spherical groove, and the ball 1111 is rotatably disposed in the spherical groove. The operating head 2 and the camera assembly 3 are disposed on the first lever 111. The ball 1111 on the first rod 111 is able to rotate within the spherical groove such that the first rod 111 can rotate multi-directionally relative to the second rod 112. When using this switch operating means, can be earlier through the position of first base 4 and the approximate adjustment operating head 2 of second base 5, make operating head 2 be located near the lewis hole of electrically conductive plug-in strip, rotate 111 micro-adjustment operating head 2 of first pole again, make it accurately insert in the lewis hole, improve the accurate nature of operation for maintenance speed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A switch operating device, comprising:

the length of the operating rod (1) is adjustable, and a first accommodating cavity is formed in the operating rod (1);

the operating head (2) is rotatably arranged on the operating rod (1), and the operating head (2) can be rotatably recovered into the first accommodating cavity;

a camera assembly (3) arranged on the operating lever (1), the camera assembly (3) comprising a camera (31) and an illumination lamp (32), the camera (31) being configured for capturing the position of the operating head (2) relative to the switch, the illumination lamp (32) being for illuminating the operating head (2);

the first base (4) comprises a base body (41) and a transverse rotating shaft (42) arranged on the base body (41), and the operating rod (1) is connected with the transverse rotating shaft (42);

the base body (41) is arranged on the second base (5), and the base body (41) can rotate around the vertical direction relative to the second base (5);

a spare operating head (6), the spare operating head (6) being arranged on the operating rod (1);

the standby operating head (6) is arranged at the top end of the operating rod (1) and extends along the length direction of the operating rod (1), a second accommodating cavity is formed in the operating rod (1), the second accommodating cavity is cut off from the end face of the top end of the operating rod (1), and the standby operating head (6) can extend out of the second accommodating cavity;

and the rotary driving piece is used for driving the camera shooting assembly (3) to rotate around the radial direction of the operating rod (1).

2. The switch-operating means according to claim 1, characterized in that the operating lever (1) comprises a telescopic rod (11) and a telescopic tube (12), the telescopic rod (11) partially extending into the telescopic tube (12), the position of the telescopic rod (11) within the telescopic tube (12) being adjustable.

3. The switch operating device according to claim 2, characterized by further comprising a locking member (121), wherein the locking member (121) penetrates through the wall of the telescopic tube (12) and abuts against the telescopic rod (11).

4. The switch-operating means according to claim 2, characterized in that the telescopic rod (11) is provided with an external thread and the telescopic tube (12) is provided with an internal thread on its inner wall, the telescopic rod (11) being in threaded connection with the telescopic tube (12).

5. The switch-operating device according to claim 2, characterized in that the telescopic rod (11) comprises a first rod (111) and a second rod (112), a ball (1111) being arranged on the first rod (111), a spherical groove being arranged on the second rod (112), the ball (1111) being rotatably arranged in the spherical groove.

6. A switch operating device according to claim 1, characterized in that the operating head (2) is provided with a recess, the operating head (2) being configured for catching a lug of a conductive blade of the switch by means of the recess.

7. The switch-operating means according to any one of claims 1-6, characterized in that the operating rod (1) is made of an insulating material.