CN113990704B

CN113990704B - High tension switchgear earthing switch padlock device

Info

Publication number: CN113990704B
Application number: CN202111421799.8A
Authority: CN
Inventors: 刘泽生; 尚军英; 纪言
Original assignee: Shandong Gaiyier Intelligent Electric Co ltd
Current assignee: Shandong Gaiyier Intelligent Electric Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2024-09-17
Anticipated expiration: 2041-11-26
Also published as: CN113990704A

Abstract

The invention provides a padlock device for a grounding switch of a high-voltage switch cabinet, and relates to the field of grounding switches. This high tension switchgear earthing switch padlock device, including the backplate, the both sides of backplate are fixedly connected with pivot and connecting plate respectively, the rotation has cup jointed the flashboard in the pivot, the upper end fixed connection lock body of connecting plate, the lower extreme extension of lock body is provided with the telescopic link, the lower extreme fixed connection cardboard of telescopic link, the cardboard is located the below of flashboard, the lock body includes the base, the upper end rotation of base is provided with the rotation shell, the inside of rotating the shell is provided with outer core, the inside of outer core rotates and has cup jointed the inner core, be provided with radial movable's magnetic ring between inner core and the outer core, the inside of inner core is provided with the slot, and the slot cooperation has the key, the cross-section shape of key lower extreme is regular polygon, and polygonal every face equidistance is provided with a plurality of magnetic path. The magnetic field is applied to the lock body, so that the probability of being stolen is reduced.

Description

High tension switchgear earthing switch padlock device

Technical Field

The invention relates to the technical field of grounding switches, in particular to a padlock device for a grounding switch of a high-voltage switch cabinet.

Background

With the demand for electric power, electric power technology is continuously developed. Various switch cabinets are widely applied, and meanwhile, people put forward higher and more comprehensive requirements on the five-prevention safety performance of the switch cabinet. The switch cabinet used on site is often opened and closed by a person without operation authority to switch on and off the grounding switch at will, so that potential hazards are brought to equipment and operators on site.

The switch is locked in a simple and common manner. The lock rings are respectively arranged on the knife switch and the knife switch seat, and after the switch is closed, the two lock rings are close to each other and are locked by using the padlock. However, after the personnel switch on by hand, the personnel forget to lock or do not lock at all. Meanwhile, a padlock is used, and a lock ball in a lock cylinder is easy to operate, so that the padlock is opened, and the safety is low.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides a padlock device for a grounding switch of a high-voltage switch cabinet, which solves the problem that the prior lockset arranged on the switch is simple in structure.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the padlock device comprises a back plate, wherein two sides of the back plate are fixedly connected with a rotating shaft and a connecting plate respectively, a flashboard is sleeved on the rotating shaft in a rotating way, the upper end of the connecting plate is fixedly connected with a lock body, the lower end of the lock body is provided with a telescopic rod in an extending way, the lower end of the telescopic rod is fixedly connected with a clamping plate, and the clamping plate is positioned below the flashboard;

The lock body comprises a base, a rotating shell is rotatably arranged at the upper end of the base, an outer core is arranged in the rotating shell, an inner core is rotatably sleeved in the outer core, a radially movable magnetic ring is arranged between the inner core and the outer core, a slot is arranged in the inner core, a key is matched with the slot, the cross section of the lower end of the key is regular polygon, a plurality of magnetic blocks are arranged on each surface of the polygon at equal distance, and the magnetic blocks and the magnetic ring act;

The inner wall lower part of base is provided with the arc route, the lower extreme of rotating the shell is provided with the slide bar, the lower extreme and the arc route contact of slide bar, the lower extreme sliding fit of telescopic link's upper end and inner core, the lateral wall fixed connection plectane of telescopic link, the below contact of plectane has the pin, the one end of pin and the inner wall fixed connection of rotating the shell, the below of plectane is provided with the coil spring, the one end of coil spring is fixed on the telescopic link, the other end of coil spring is fixed on the inner wall of base.

Preferably, the base is fixed at the upper end of the connecting plate, and one end of the flashboard is fixedly connected with the handle.

Preferably, the lower end of the outer core is fixedly connected with a connecting rod, and the lower end of the connecting rod is fixedly connected with the inner wall of the base.

Preferably, the side block is fixedly connected to the side wall of the lower end of the rotating shell, the convex ring is fixedly connected to the upper portion of the inner wall of the base, and the convex ring and the side block act.

Preferably, the upper end of the sliding rod is provided with a first spring, and the upper end of the first spring props against the inner wall of the cavity where the sliding rod is positioned.

Preferably, a push block is arranged on one side of the magnetic ring, a second spring is arranged on the other side of the push block, and the other end of the second spring abuts against the inner wall of the chamber at the position.

Preferably, the push block and the second spring are internally provided with a limiting rod, and the push block is arranged on the limiting rod in a sliding manner.

Preferably, the upper end of the telescopic rod is fixedly connected with a sliding block, and the sliding block is matched with a sliding groove arranged at the lower end of the inner core.

(III) beneficial effects

The invention provides a padlock device for a grounding switch of a high-voltage switch cabinet. The beneficial effects are as follows:

1. According to the invention, when the switch is closed and opened, the key is used for unlocking, so that the operation can be performed, and the operation standardization is improved.

2. According to the invention, the opening and closing of the lock body are realized by adopting the magnetic ring and the magnetic block, namely the magnetic field action mode, and the possibility of the lock body being stolen is reduced by adopting the magnetic ring and the magnetic block packaging mode.

3. According to the invention, the rotating shell is arranged, the clamping plate can be lifted by rotating the rotating shell, the function of the lock body is not influenced, the flashboard is enabled to be in full contact with the connecting plate, and good electric conductivity is ensured.

Drawings

FIG. 1 is a schematic view of a lock body according to the present invention;

FIG. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic view of the lower structure of the rotary housing of the present invention;

FIG. 4 is an enlarged view of FIG. 1 at A;

FIG. 5 is an enlarged view at B in FIG. 1;

FIG. 6 is a schematic view of the lower end section of the key of the present invention.

Wherein, 1, the backboard; 2. a rotating shaft; 3. a flashboard; 4. a connecting plate; 5. a clamping plate; 6. a handle; 7. a lock body; 8. a key; 9. a telescopic rod; 10. a base; 11. a coil spring; 12. a circular plate; 13. a connecting rod; 14. rotating the shell; 15. a slot; 16. an outer core; 17. an inner core; 18. a slide bar; 19. a stop lever; 20. a side block; 21. a first spring; 22. a magnetic ring; 23. a pushing block; 24. a second spring; 25. a limit rod; 26. a magnetic block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

As shown in fig. 1-6, the embodiment of the invention provides a high-voltage switch cabinet grounding switch padlock device, which comprises a backboard 1, wherein the backboard 1 is used for fixing a grounding switch, two sides of the backboard 1 are respectively and fixedly connected with a rotating shaft 2 and a connecting plate 4, wiring holders which are not shown in the drawing are also arranged on the backboard 1, the number of the wiring holders is two and are respectively and electrically connected with the rotating shaft 2 and the connecting plate 4, a flashboard 3 is sleeved on the rotating shaft 2 in a rotating way, namely a knife switch of the grounding switch is used for electrically connecting the rotating shaft 2 and the connecting plate 4, one end of the flashboard 3 is fixedly connected with a handle 6, and the connection and disconnection of the rotating shaft 2 and the connecting plate 4 are realized by standing the flashboard 3 through the handle 6.

The upper end fixed connection lock body 7 of connecting plate 4, the lock body 7 is used for fixed flashboard 3 and connecting plate 4, the lower extreme extension of lock body 7 is provided with telescopic link 9, telescopic link 9 can reciprocate, the lower extreme fixed connection cardboard 5 of telescopic link 9, cardboard 5 is located flashboard 3's below, still be provided with the opening of cardboard 5 corresponding shape promptly on flashboard 3, make cardboard 5 can pass flashboard 3, at rotatory telescopic link 9, make cardboard 5 rotate and the opening misplacement, at this moment through cardboard 5, telescopic link 9, fix flashboard 3 in connecting plate 4's below, this setting is using flashboard 3 intercommunication pivot 2, connecting plate 4, cardboard 5 must act, guarantee the reliability of ground connection.

The lock body 7 comprises a base 10, the base 10 is fixed at the upper end of the connecting plate 4, the upper end of the base 10 is rotatably provided with a rotary shell 14, an outer core 16 is arranged in the rotary shell 14, the outer core 16 and the rotary shell 14 can rotate mutually, an inner core 17 is sleeved in the inner core 16, a radially movable magnetic ring 22 is arranged between the inner core 17 and the outer core 16, the position of the magnetic ring 22 is controlled for limiting the rotating state between the inner core 17 and the outer core 16, one side of the magnetic ring 22 is provided with a push block 23, the push block 23 is contacted with the magnetic ring 22, the other side of the push block 23 is provided with a second spring 24, the other end of the second spring 24 abuts against the inner wall of a chamber at the position, namely, under the action of the second spring 24, the magnetic ring 22 is simultaneously positioned on the inner core 17 and the outer core 16, so that rotation does not occur between the inner core 17 and the outer core 16, a limit rod 25 is arranged in the inner part of the push block 23 and the second spring 24, the push block 23 is slidably sleeved on the limit rod 25, when the magnetic ring 22 acts, the second spring 24 is slidably sleeved on the limit rod 25, and meanwhile, the second spring 24 is pressed by the push block 25, the front end 25 can not be seen from the limit rod 25, and the limit rod 25 can not be sleeved in the limit rod 5.

The inside of inner core 17 is provided with slot 15, and slot 15 cooperation has key 8, and the cross-sectional shape of key 8 lower extreme is regular polygon, according to actual demand, selects suitable polygon, and every face equidistance of polygon is provided with a plurality of magnet pieces 26, and magnet pieces 26 and magnetic ring 22 effect, and magnet pieces 26 and magnetic ring 22 all have magnetism, and under the condition that opposite polarity attracts, like polarity repel, magnet pieces 26 are to magnetic ring 22 effect, realize the displacement of magnetic ring 22 to make magnetic ring 22 cup joint on gag lever post 25 completely, realize the mutual rotation between inner core 17 and the outer core 16.

The lower part of the inner wall of the base 10 is provided with an arc path, the arc path has a highest point and a lowest point, the two points are continuously changed, the lower end of the rotating shell 14 is provided with a sliding rod 18, the lower end of the sliding rod 18 is spherical, friction can be reduced, the lower end of the sliding rod 18 is in contact with the arc path, namely, the rotating shell 14 rotates, the lowest point of the sliding rod 18 on the arc path slides to the highest point, the rotating shell 14 ascends, otherwise, the rotating shell descends, the upper end of the sliding rod 18 is provided with a first spring 21, the upper end of the first spring 21 props against the inner wall of a cavity where the sliding rod 18 is positioned, and the sliding rod 18 has a margin which is changed up and down in the sliding process of the first spring 21, namely, the rotating shell 14 has a lifting space.

The upper end of telescopic link 9 and the lower extreme sliding fit of inner core 17, specific structure is the upper end fixedly connected with slider of telescopic link 9, the slider that sets up is not the rotator, the spout cooperation that slider and inner core 17's lower extreme set up, prevent when inner core 17 rotates promptly, telescopic link 9 is not along with inner core 17 rotation, the lateral wall fixed connection plectane 12 of telescopic link 9, the below contact of plectane 12 has pin 19, the inner wall fixed connection of one end and the shell 14 that rotates, namely shell 14 rises, through the effect of pin 19 and plectane 12, promote telescopic link 9 to rise, the below of plectane 12 is provided with disc 11, the one end of disc 11 is fixed on telescopic link 9, the other end of disc 11 is fixed on the inner wall of base 10, disc 11 is used for the reposition of inner core 17, after the inner core 17 rotates, disc 11 stores elastic potential energy, after no external force effect, disc 11 releases elastic potential energy, make inner core 17 reset, under the initial position, the opening on cardboard 5 and flashboard 3 is the state, namely disc 11's effect, the lower extreme position of outer core 16 is fixed connection has connecting rod 13, the inner wall 13 of connecting rod 13 and the inner wall of disc 12, the function of 10 and the inner wall of connecting rod 10, the clearance between the fixed connection of the shell that makes, and the shell 13 is fixed connection is kept in the space between the fixed connection, and the shell 13 is kept free.

The side block 20 is fixedly connected to the side wall of the lower end of the rotary shell 14, the convex ring is fixedly connected to the upper portion of the inner wall of the base 10, and the convex ring acts on the side block 20 to prevent the rotary shell 14 from being separated from the base 10.

Working principle: when the key 8 is used, the key 8 is required to be placed in the slot 15, the magnetic rings 22 and the magnetic blocks 26 at corresponding positions interact, so that the magnetic rings 22 are sleeved on the limiting rods 25, the inner core 17 and the outer core 16 rotate mutually, at the moment, the key 8 is rotated, the clamping plate 5 below rotates along with the key, the clamping plate 5 is overlapped with the opening on the flashboard 3, the flashboard 3 can be rotated through the handle 6, the clamping plate 5 penetrates through the flashboard 3, then the key 8 is loosened or screwed back, the clamping plate 5 is reset and misplaced with the opening on the flashboard 3, then the rotating shell 14 is rotated, the sliding rod 18 reaches the highest point from the lowest point of the arc-shaped path, the rotating shell 14 rises, and meanwhile, the clamping plate 5 and the connecting plate 4 clamp the flashboard 3 and are fully contacted.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high tension switchgear earthing switch padlock device, includes backplate (1), its characterized in that: the two sides of the backboard (1) are fixedly connected with a rotating shaft (2) and a connecting plate (4) respectively, the rotating shaft (2) is rotationally sleeved with a flashboard (3), the upper end of the connecting plate (4) is fixedly connected with a lock body (7), the lower end of the lock body (7) is provided with a telescopic rod (9) in an extending mode, the lower end of the telescopic rod (9) is fixedly connected with a clamping plate (5), and the clamping plate (5) is located below the flashboard (3);

The lock body (7) comprises a base (10), a rotating shell (14) is rotatably arranged at the upper end of the base (10), an outer core (16) is arranged in the rotating shell (14), an inner core (17) is rotatably sleeved in the outer core (16), a radially movable magnetic ring (22) is arranged between the inner core (17) and the outer core (16), a slot (15) is arranged in the inner core (17), a key (8) is matched with the slot (15), the cross section of the lower end of the key (8) is regular polygon, a plurality of magnetic blocks (26) are arranged on each surface of the polygon at equal distance, and the magnetic blocks (26) and the magnetic ring (22) act;

The lower part of the inner wall of the base (10) is provided with an arc path, the lower end of the rotating shell (14) is provided with a sliding rod (18), the lower end of the sliding rod (18) is in contact with the arc path, the upper end of the telescopic rod (9) is in sliding fit with the lower end of the inner core (17), the side wall of the telescopic rod (9) is fixedly connected with a circular plate (12), the lower part of the circular plate (12) is contacted with a stop lever (19), one end of the stop lever (19) is fixedly connected with the inner wall of the rotating shell (14), a coil spring (11) is arranged below the circular plate (12), one end of the coil spring (11) is fixed on the telescopic rod (9), and the other end of the coil spring (11) is fixed on the inner wall of the base (10);

The side wall of the lower end of the rotating shell (14) is fixedly connected with a side block (20), the upper part of the inner wall of the base (10) is fixedly connected with a convex ring, the convex ring and the side block (20) act, the upper end of the sliding rod (18) is provided with a first spring (21), the upper end of the first spring (21) props against the inner wall of a cavity where the sliding rod (18) is positioned, one side of the magnetic ring (22) is provided with a push block (23), the other side of the push block (23) is provided with a second spring (24), the other end of the second spring (24) abuts against the inner wall of the chamber at the position, limiting rods (25) are arranged in the push block (23) and the second spring (24), and the push block (23) is arranged on the limiting rods (25) in a sliding mode.

2. The high voltage switchgear grounding switch padlock device of claim 1, wherein: the base (10) is fixed at the upper end of the connecting plate (4), and one end of the flashboard (3) is fixedly connected with the handle (6).

3. The high voltage switchgear grounding switch padlock device of claim 1, wherein: the lower end of the outer core (16) is fixedly connected with a connecting rod (13), and the lower end of the connecting rod (13) is fixedly connected with the inner wall of the base (10).

4. The high voltage switchgear grounding switch padlock device of claim 1, wherein: the upper end of the telescopic rod (9) is fixedly connected with a sliding block, and the sliding block is matched with a sliding groove arranged at the lower end of the inner core (17).