CN214674341U

CN214674341U - Turn-adjusting arc suppression coil grounding protection device

Info

Publication number: CN214674341U
Application number: CN202121361989.0U
Authority: CN
Inventors: 姬广盈; 夏建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-09
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to an arc suppression coil technical field, and disclose a transfer circle formula arc suppression coil ground protection device, including transferring circle formula arc suppression coil device and insulating protective housing, transfer the bottom welding of circle formula arc suppression coil device and have the electric leakage protective housing, first round hole has been seted up to the surface of electric leakage protective housing, and the internal surface swing joint of first round hole has the connecting wire, and the second round hole has been seted up to the surface of electric leakage protective housing, and the internal surface swing joint of second round hole has ground wire, and square viewing aperture has been seted up to the front surface of insulating protective housing. This transfer circle formula arc suppression coil ground protection device through rotating annular turning block, makes it drive the rectangle movable block and removes to the axle center department of insulating protective housing along the surface of arc fixed block, and arc friction fixed plate contacts with connecting wire and earth conductor at this moment, with the help of the frictional force of arc friction fixed plate to reached and firmly pressed from both sides tight effect with connecting wire and earth conductor.

Description

Turn-adjusting arc suppression coil grounding protection device

Technical Field

The utility model relates to an arc suppression coil technical field specifically is a transfer circle formula arc suppression coil ground protection device.

Background

The arc suppression coil is an inductance coil with an iron core, which is connected between a neutral point of a transformer and the ground to form an arc suppression coil grounding system, a power system transmission line is grounded through the arc suppression coil and is one of low-current grounding systems, and no current passes through the arc suppression coil during normal operation. When the power network is struck by lightning or single-phase arc grounding occurs, the neutral point potential is raised to the phase voltage, at this time, the inductive current flowing through the arc suppression coil and the capacitive fault current of single-phase grounding are mutually offset, so that the fault current is compensated, the residual current after compensation is very small and is not enough to maintain the electric arc, and thus the electric arc is automatically extinguished, and thus, the grounding fault can be quickly eliminated without causing overvoltage.

When carrying out the accent circle formula arc extinction, for the safety, at this moment just need use ground protection device, current ground protection device has possessed fabulous anticreep, protection against electric shock effect in the use, but the inside earth connection of current ground protection device needs in time to change after long-time, but the device can't carry out fine fixed and convenient dismantlement with inside earth connection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a transfer circle formula arc suppression coil ground protection device possesses the advantage of quick installation dismantlement, has solved the inside earth connection of current ground protection device and need in time change after long time, but the device can't carry out fine fixed and convenient problem of dismantling with inside earth connection.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transfer circle formula arc suppression coil ground protection device, including transferring circle formula arc suppression coil device and insulating protective housing, transfer the bottom welding of circle formula arc suppression coil device and have the electric leakage protective housing, first round hole has been seted up to the surface of electric leakage protective housing, and the internal surface swing joint of first round hole has the connecting wire, the second round hole has been seted up to the surface of electric leakage protective housing, and the internal surface swing joint of second round hole has ground wire, square viewing aperture has been seted up to the front surface of insulating protective housing, and the square fixed thin slice of internal surface fixed connection of square viewing aperture, first screw hole has been seted up to the front surface of square fixed thin slice, and the internal surface threaded connection of first screw hole has first bolt.

Preferably, the insulating transparent plastic plate is lapped on the front surface of the square fixing sheet, the second threaded hole is formed in the front surface of the insulating transparent plastic plate, the inner surface of the second threaded hole is in threaded connection with the first bolt, the insulating transparent plastic plate plays a role in conveniently observing whether the insulating protective shell is effectively connected with the grounding wire or not, when the first bolt is screwed into the second threaded hole, when the first threaded hole is entered, the first bolt is screwed, and therefore the effect of fixing the insulating transparent plastic plate is achieved.

Preferably, two annular chutes are formed in the inner surface of the leakage protection shell through threads, the inner surfaces of the two annular chutes are both connected with annular rotating blocks in a sliding manner, short rods are fixedly connected between opposite sides of the two annular rotating blocks, threaded slideways are formed in one sides of the two annular rotating blocks, which are far away from the insulation protection shell, rectangular moving blocks are bolted to the inner surfaces of the two threaded slideways, sliding blocks are welded to two sides of the two rectangular moving blocks, first connecting rods are fixedly connected to the inner surfaces of the insulation protection shell, arc-shaped fixed blocks are fixedly connected to one ends of the two first connecting rods, which are far away from the insulation protection shell, two square chutes are formed in the outer surfaces of the two arc-shaped fixed blocks, the inner surfaces of the square chutes are respectively connected with the outer surfaces of the sliding blocks in a sliding manner, and the annular rotating blocks are rotated to drive the rectangular moving blocks to move towards the axes of the annular rotating blocks along the outer surfaces of the arc-shaped fixed blocks, thereby achieving the effect of clamping the connecting wire or the grounding conductor.

Preferably, one side of each rectangular moving block, which is far away from the annular rotating block, is fixedly connected with a plurality of connecting springs, one ends of the connecting springs, which are far away from the annular rotating block, are fixedly connected with an arc-shaped friction fixing plate, the outer surface of the insulating protective shell is fixedly connected with a handle, the handle plays a role in facilitating an operator to hold, and the arc-shaped friction fixing plate plays a role in clamping a connecting wire or a grounding wire more firmly through friction force.

Preferably, the internal surface fixed connection of electric leakage protective housing has spacing fixed plate, the slide has been seted up to the bottom of spacing fixed plate, and the internal surface sliding connection of slide has first block board, the rear surface fixed connection of first block board has the atress spring, the rear end fixed connection of atress spring has the second block board, the rear surface of second block board is connected with the internal surface fixed connection of electric leakage protective housing, place connecting wire or earth conductor between first block board and second block board, thereby reached and to have supported connecting wire or earth conductor's effect.

Preferably, the front surface of the first clamping plate is provided with a third round hole, the inner surface of the third round hole is movably connected with a second bolt, the front surface of the second clamping plate is provided with a third threaded hole, the inner surface of the third threaded hole is matched with the rear end of the second bolt, and the second bolt is screwed into the third threaded hole, so that the effect of fixing the connecting wire or the grounding wire on the inner surface of the electric leakage protective shell is achieved.

Compared with the prior art, the utility model provides a transfer circle arc suppression coil ground protection device possesses following beneficial effect:

1. this transfer circle formula arc suppression coil ground protection device, through rotating annular turning block, make it drive the rectangle movable block and remove to the axle center department of insulating protective housing along the surface of arc fixed block, at this moment arc friction fixed plate and connecting wire and earth conductor contact, frictional force with the help of arc friction fixed plate, thereby reached and firmly pressed from both sides tight effect with connecting wire and earth conductor, just need change after earth conductor carries out long-time use, at this moment can rotate annular turning block in the opposite direction, make it drive the rectangle movable block and remove to the direction of keeping away from the axle center department of insulating protective housing along the surface of arc fixed block, thereby reached and to have taken out the effect of insulating protective housing with connecting wire and earth conductor.

2. This transfer circle formula arc suppression coil ground protection device passes first block board and second block board through connecting wire and earth conductor, then twists the second bolt to move second bolt and first block board backward, then screw into the third screw hole with the second bolt inside, thereby reached and will connect wire and earth conductor to fix in the inside of electric leakage protective housing through first block board and second block board, prevent that electric leakage protective housing inside from laying wire in disorder effect.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the observation structure of the present invention;

FIG. 3 is a schematic side view of the engaging structure of the present invention;

FIG. 4 is a schematic side view of the friction structure of the present invention;

fig. 5 is a schematic side view and sectional view of the fixing structure of the present invention.

Wherein: 1. a turn-adjusting arc suppression coil device; 2. a leakage protective shell; 3. connecting an electric wire; 4. a ground lead; 5. an insulating protective case; 6. a square fixing sheet; 7. a first bolt; 8. an insulating transparent plastic plate; 9. an annular turning block; 10. a short bar; 11. a rectangular moving block; 12. an arc-shaped friction fixing plate; 13. a slider; 14. a limiting fixing plate; 15. a first engaging plate; 16. a second bolt; 17. a stressed spring; 18. a second engaging plate; 19. an arc-shaped fixing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a turn-adjusting arc suppression coil grounding protection device comprises a turn-adjusting arc suppression coil device 1 and an insulating protective shell 5, wherein a leakage protective shell 2 is welded at the bottom of the turn-adjusting arc suppression coil device 1, a first round hole is formed in the outer surface of the leakage protective shell 2, a connecting wire 3 is movably connected to the inner surface of the first round hole, a second round hole is formed in the outer surface of the leakage protective shell 2, a grounding wire 4 is movably connected to the inner surface of the second round hole, a square observation port is formed in the front surface of the insulating protective shell 5, a square fixing sheet 6 is fixedly connected to the inner surface of the square observation port, a first threaded hole is formed in the front surface of the square fixing sheet 6, a first bolt 7 is connected to the inner surface of the first threaded hole in a threaded manner, an insulating transparent plastic plate 8 is lapped on the front surface of the square fixing sheet 6, a second threaded hole is formed in the front surface of the insulating transparent plastic plate 8, the inner surface of the second threaded hole is in threaded connection with the first bolt 7, the insulating transparent plastic plate 8 plays a role of conveniently observing whether the connection between the connecting wire 3 and the grounding wire 4 inside the insulating protective shell 5 is effectively connected, when the first bolt 7 is screwed into the second threaded hole and enters the first threaded hole, the first bolt 7 is screwed, so that the effect of fixing the insulating transparent plastic plate 8 is achieved, the inner surface thread of the electric leakage protective shell 2 is provided with two annular chutes, the inner surfaces of the two annular chutes are both in sliding connection with annular rotating blocks 9, a short rod 10 is fixedly connected between the opposite sides of the two annular rotating blocks 9, one sides of the two annular rotating blocks 9, far away from the insulating protective shell 5, are provided with threaded slideways, the inner surfaces of the two threaded slideways are both in bolted connection with rectangular moving blocks 11, and both sides of the two rectangular moving blocks 11 are both welded with sliding blocks 13, the inner surface of the insulation protection shell 5 is fixedly connected with first connecting rods, the ends of the two first connecting rods, far away from the insulation protection shell 5, are fixedly connected with arc-shaped fixed blocks 19, the outer surfaces of the two arc-shaped fixed blocks 19 are respectively provided with two square sliding grooves, the inner surfaces of the square sliding grooves are respectively connected with the outer surfaces of the sliding blocks 13 in a sliding manner, at the moment, the annular rotating block 9 is rotated to drive the rectangular moving blocks 11 to move towards the axis of the annular rotating block 9 along the outer surfaces of the arc-shaped fixed blocks 19, so that the effect of clamping the connecting wire 3 or the grounding wire 4 is achieved, one sides of the two rectangular moving blocks 11, far away from the annular rotating block 9, are fixedly connected with a plurality of connecting springs, arc-shaped friction fixing plates 12 are fixedly connected between the ends of the connecting springs, far away from the annular rotating block 9, and the outer surface of the insulation protection shell 5 is fixedly connected with handles, the handle plays a role of being convenient for an operator to hold, and the arc-shaped friction fixing plate 12 plays a role of clamping the connecting wire 3 or the grounding wire 4 more firmly through friction force;

the inner surface of the electric leakage protective shell 2 is fixedly connected with a limiting fixed plate 14, the bottom of the limiting fixed plate 14 is provided with a slideway, the inner surface of the slideway is connected with a first clamping plate 15 in a sliding way, the rear surface of the first clamping plate 15 is fixedly connected with a stress spring 17, the rear end of the stress spring 17 is fixedly connected with a second clamping plate 18, the rear surface of the second clamping plate 18 is fixedly connected with the inner surface of the electric leakage protective shell 2, a connecting wire 3 or a grounding wire 4 is placed between the first clamping plate 15 and the second clamping plate 18, so that the effect of supporting the connecting wire 3 or the grounding wire 4 is achieved, the front surface of the first clamping plate 15 is provided with a third round hole, the inner surface of the third round hole is movably connected with a second bolt 16, the front surface of the second clamping plate 18 is provided with a third threaded hole, and the inner surface of the third threaded hole is matched with the rear end of the second bolt 16, by screwing the second bolt 16 into the third threaded hole, the effect of fixing the connecting wire 3 or the ground lead 4 to the inner surface of the earth leakage protection case 2 is achieved.

The working principle is as follows: when the turn-adjusting arc suppression coil grounding protection device is used, the connecting wire 3 and the grounding conductor 4 are respectively inserted from two ends of the insulation protection shell 5, then the connecting wire 3 and the grounding conductor 4 are connected through the square observation port, the first bolt 7 is screwed into the first threaded hole and the second threaded hole, so that the effect of fixing the insulation transparent plastic plate 8 and the square fixing sheet 6 is achieved, the handle is held by hand, then the annular rotating block 9 is rotated to drive the rectangular moving block 11 to move towards the axis of the insulation protection shell 5 along the outer surface of the arc fixing block 19, at the moment, the arc friction fixing plate 12 is contacted with the connecting wire 3 and the grounding conductor 4, the effect of firmly clamping the connecting wire 3 and the grounding conductor 4 is achieved by means of the friction force of the arc friction fixing plate 12, and the grounding conductor 4 needs to be replaced after being used for a long time, at this time, the annular rotating block 9 can be rotated in the opposite direction, so that the rectangular moving block 11 is driven to move towards the direction away from the axis of the insulating protective shell 5 along the outer surface of the arc-shaped fixing block 19, and the effect of taking the connecting wire 3 and the grounding wire 4 out of the insulating protective shell 5 is achieved;

when the internal circuit of the electric leakage protective shell 2 is more and more complicated, the connecting wire 3 and the ground lead 4 pass through the first clamping plate 15 and the second clamping plate 18, then the second bolt 16 is screwed, the second bolt 16 and the first clamping plate 15 move backwards, then the second bolt 16 is screwed into the third threaded hole, so that the connecting wire 3 and the ground lead 4 are fixed inside the electric leakage protective shell 2 through the first clamping plate 15 and the second clamping plate 18, and the effect of disordered wiring inside the electric leakage protective shell 2 is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 transfer circle formula arc suppression coil ground protection device, includes transfer circle formula arc suppression coil device (1) and insulating protective housing (5), its characterized in that: transfer the bottom welding of circle formula arc suppression coil device (1) and have electric leakage protective housing (2), first round hole has been seted up to the surface of electric leakage protective housing (2), and the internal surface swing joint of first round hole has connecting wire (3), the second round hole has been seted up to the surface of electric leakage protective housing (2), and the internal surface swing joint of second round hole has ground wire (4), square viewing aperture has been seted up to the front surface of insulating protective housing (5), and the internal surface fixed connection of square viewing aperture has square fixed thin slice (6), first screw hole has been seted up to the front surface of square fixed thin slice (6), and the internal surface threaded connection of first screw hole has first bolt (7).

2. The turn-adjusting arc suppression coil grounding protection device according to claim 1, characterized in that: an insulating transparent plastic plate (8) is lapped on the front surface of the square fixing sheet (6), a second threaded hole is formed in the front surface of the insulating transparent plastic plate (8), and the inner surface of the second threaded hole is in threaded connection with the first bolt (7).

3. The turn-adjusting arc suppression coil grounding protection device according to claim 1, characterized in that: two annular sliding grooves are formed in the inner surface of the electric leakage protection shell (2) in a threaded manner, annular rotating blocks (9) are connected to the inner surfaces of the two annular sliding grooves in a sliding manner, a short rod (10) is fixedly connected between the opposite sides of the two annular rotating blocks (9), a threaded slideway is formed in one side, far away from the insulation protection shell (5), of the two annular rotating blocks (9), the inner surfaces of the two threaded slideways are respectively connected with a rectangular moving block (11) through bolts, both sides of the two rectangular moving blocks (11) are respectively welded with a sliding block (13), the inner surface of the insulating protective shell (5) is fixedly connected with a first connecting rod, and the ends of the two first connecting rods far away from the insulating protective shell (5) are fixedly connected with arc-shaped fixed blocks (19), the outer surfaces of the two arc-shaped fixed blocks (19) are respectively provided with two square sliding chutes, and the inner surfaces of the square sliding grooves are respectively connected with the outer surfaces of the sliding blocks (13) in a sliding manner.

4. The turn-adjusting arc suppression coil grounding protection device according to claim 3, characterized in that: one side of each rectangular moving block (11) far away from the annular rotating block (9) is fixedly connected with a plurality of connecting springs, an arc-shaped friction fixing plate (12) is fixedly connected between one ends of the plurality of connecting springs far away from the annular rotating block (9), and the outer surface of the insulating protective shell (5) is fixedly connected with a handle.

5. The turn-adjusting arc suppression coil grounding protection device according to claim 1, characterized in that: the electric leakage protection device is characterized in that the inner surface of the electric leakage protection shell (2) is fixedly connected with a limiting fixing plate (14), the bottom of the limiting fixing plate (14) is provided with a slide way, the inner surface of the slide way is slidably connected with a first clamping plate (15), the rear surface of the first clamping plate (15) is fixedly connected with a stress spring (17), the rear end of the stress spring (17) is fixedly connected with a second clamping plate (18), and the rear surface of the second clamping plate (18) is fixedly connected with the inner surface of the electric leakage protection shell (2).

6. The turn-adjusting arc suppression coil grounding protection device according to claim 5, characterized in that: the front surface of the first clamping plate (15) is provided with a third round hole, the inner surface of the third round hole is movably connected with a second bolt (16), the front surface of the second clamping plate (18) is provided with a third threaded hole, and the inner surface of the third threaded hole is matched with the rear end of the second bolt (16).