CN211182562U

CN211182562U - Grounding device for electrical instrument control

Info

Publication number: CN211182562U
Application number: CN202020256001.3U
Authority: CN
Inventors: 苗壮; 宋文东; 王伟德; 柴承德; 张震; 张美娇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-08-04
Anticipated expiration: 2030-03-05

Abstract

The utility model relates to an electrical equipment technical field discloses an earthing device is used in electrical instrument control, in order to improve earthing device's for electrical instrument nimble usability, the location folded plate is twisted with the conducting rod through the location screw and is connected, the top of supporting the base is fixed with pressure relief spring, the both sides in cable groove are located middle part position department and all run through and have seted up the cable through-hole, the inboard of round pin is changeed in the location is rotated and is connected with the electrically conductive pin pole, the top of electrically conductive pin pole is fixed with electrically conductive fixture block. The utility model discloses a conducting rod can be convenient for the staff to combine earthing device and the earth to the spiral location of location folded plate, and the while can be firm carries out location processing to earthing device, and is fixed through the elasticity block of electrically conductive fixture block with the cable groove, can be convenient for the staff with the ground wire insert earthing device on, through the elastic support of relief spring to the cable groove, can avoid the ground wire to receive external pressure and lead to the condition that suddenly collapses absolutely.

Description

Grounding device for electrical instrument control

Technical Field

The utility model relates to an electrical equipment technical field specifically is a earthing device is used in electrical instrument control.

Background

The electrical equipment mainly refers to a transformer, a reactor, a capacitor, a combined electrical apparatus, a circuit breaker, a mutual inductor, a lightning arrester, a coupling capacitor, a power transmission line, a power cable, a grounding device, a generator, a phase modulator, a motor, a closed bus, a thyristor and the like.

But there are some shortcomings about the earthing device that electric instrument control used in the existing market, and traditional earthing device structure is comparatively single, very easily leads to the ground connection disconnection to harm staff because external environment, and in the installation wiring process, complex operation is difficult for fixing earthing device's installation. Accordingly, one skilled in the art provides a grounding device for electrical instrument control to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earthing device is used in electrical instrument control to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an earthing device is used in control of electrical apparatus, includes the location folded plate, the upper surface of location folded plate is located front side position department and runs through and has seted up the location screw, and the location folded plate is twisted with the conducting rod through the location screw and is connected, the top of location folded plate is located end position department and is fixed with the support base, and the top of location folded plate is located middle part position department and is fixed with the location commentaries on classics round pin, the top of supporting the base is fixed with pressure reducing spring, pressure reducing spring's inboard is located bottom position department and has cup jointed spacing stand, and pressure reducing spring's top is fixed with the cable groove, the both sides in cable groove are located middle part position department and all run through and have seted up the cable through-hole, the inboard rotation of location commentaries on classics round pin is connected with.

As a further aspect of the present invention: the conducting rod comprises a grounding rod body, spiral threads are formed in the outer side of the grounding rod body, a stop ring is arranged at the end of the grounding rod body, and a hexagonal nut is arranged at the top end of the grounding rod body.

As a further aspect of the present invention: the outer diameter of the spiral thread is matched with the inner diameter of the positioning screw hole, and the length of the grounding rod body is not less than 10 cm.

As a further aspect of the present invention: the quantity of conducting rod and location commentaries on classics round pin is not less than 3, and conducting rod and location commentaries on classics round pin mutual one-to-one correspondence.

As a further aspect of the present invention: the outer diameter of the conductive clamping block is matched with the inner diameter of the cable groove, and the conductive clamping block is clamped and fixed with the cable groove through the spring gasket.

As a further aspect of the present invention: the positioning folded plate, the conductive rod, the positioning rotating pin, the conductive pin rod and the conductive clamping block are all made of stainless steel components.

As a further aspect of the present invention: the outer diameter of the limiting upright post is matched with the inner diameter of the pressure reducing spring, and the height of the limiting upright post is half of the length of the pressure reducing spring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a conducting rod is to the spiral location of location folded plate, the staff of can being convenient for combines earthing device and the earth, simultaneously can be firm carry out location processing to earthing device, and then improve earthing device's fastness and installation convenience, it is fixed with the elasticity block in cable groove through electrically conductive fixture block, the staff of can being convenient for inserts earthing device with the ground wire on, and then reduce staff's manipulation strength, through the elastic support of relief spring to the cable groove, can avoid the ground wire to receive the external pressure and lead to the condition that suddenly collapses absolutely, and then improve earthing device's safe handling nature, strengthen the protective capacities to the staff.

Drawings

FIG. 1 is a schematic diagram of a grounding device for electrical instrumentation;

FIG. 2 is a plan view of an electrical grounding device;

fig. 3 is a schematic structural view of a conductive rod in a grounding device for electrical instrument control.

In the figure: 1. positioning the folded plate; 2. a conductive rod; 21. a grounding rod body; 22. helical thread; 23. a stop ring; 24. a hexagonal nut; 3. positioning a rotating pin; 4. a conductive pin; 5. a support base; 6. a relief spring; 7. a conductive fixture block; 8. a cable trough; 9. a limiting upright post; 10. a cable through hole; 11. positioning the screw hole; 12. a spring washer.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an electrical apparatus grounding device for controlling an electrical apparatus includes a positioning folded plate 1, a positioning screw hole 11 is formed through an upper surface of the positioning folded plate 1 at a front position, the positioning folded plate 1 is screwed with a conductive rod 2 through the positioning screw hole 11, the conductive rod 2 includes a grounding rod 21, a spiral pattern 22 is formed on an outer side of the grounding rod 21, a stop ring 23 is disposed at an end portion of the grounding rod 21, a hexagonal nut 24 is disposed at a top end of the grounding rod 21, an outer diameter of the spiral pattern 22 is adapted to an inner diameter of the positioning screw hole 11, a length of the grounding rod 21 is not less than 10cm, the positioning folded plate 1 is placed at a proper position during an installation process of the grounding device, the conductive rod 2 is inserted into the positioning screw hole 11, a worker aligns a drill bit with the hexagonal nut 24, the drill bit is operated to drill the conductive rod 2 into the ground, further, the positioning flap plate 1 is fixed under the limit positioning of the stop ring 23, and the positioning flap plate 1 can be firmly combined with the ground under the synchronous spiral clamping of the spiral grains 22.

The top of location folded plate 1 is located end position department and is fixed with support base 5, and the top of location folded plate 1 is located middle part position department and is fixed with location commentaries on classics round pin 3, conducting rod 2 and location commentaries on classics round pin 3 quantity is all not less than 3, and conducting rod 2 and the mutual one-to-one of location commentaries on classics round pin 3, bolt-up to location folded plate 1 through conducting rod 2, the mode that traditional earthing device buries deeply lowly has been replaced, staff's intensity of labour has not only been reduced, the installation that can be convenient for simultaneously staff is dismantled, and through conducting rod 2 and the one-to-one of location commentaries on classics round pin 3, when improving the earthing device fastness, can provide multinomial selectivity for staff's access.

Support base 5's top and be fixed with relief spring 6, relief spring 6's inboard is located bottom position department and has cup jointed spacing stand 9, spacing stand 9's external diameter and relief spring 6's internal diameter looks adaptation, and spacing stand 9 highly be the half of relief spring 6 length, in electrical apparatus operation in-process, when the ground wire receives external pulling force, through relief spring 6 and the combination of location commentaries on classics round pin 3, can improve the deformation intensity of ground wire, strengthen the tensile length of ground wire, avoid the ground wire to receive external pressure and lead to the condition that suddenly collapses absolutely, and then improve earthing device's safety nature, strengthen the protective capacities to the staff.

The top end of the pressure reducing spring 6 is fixed with a cable groove 8, two sides of the cable groove 8 are positioned in the middle and are provided with a cable through hole 10 in a penetrating way, the inner side of the positioning rotating pin 3 is connected with a conductive pin rod 4 in a rotating way, the top end of the conductive pin rod 4 is fixed with a conductive fixture block 7, the outer diameter of the conductive fixture block 7 is matched with the inner diameter of the cable groove 8, the conductive fixture block 7 is fixedly clamped with the cable groove 8 through a spring gasket 12, when the ground wire is connected into the grounding device, the ground wire is pulled out of the cable through hole 10 in a penetrating way to be connected into the cable groove 8, under the rotating connection of the positioning rotating pin 3, the conductive pin rod 4 is pushed to drive the conductive fixture block 7 to be clamped with the cable groove 8, under the elastic support of the spring gasket 12, the conductive fixture block 7 firmly presses the ground wire into the cable groove 8, and further through the elastic clamping of the conductive fixture block 7 and the cable groove 8, the positioning, improve earthing device's nimble usability, location folded plate 1, conducting rod 2, location commentaries on classics round pin 3, conducting pin pole 4 and electrically conductive fixture block 7 all adopt stainless steel material component, and through stainless steel's location folded plate 1, conducting rod 2, location commentaries on classics round pin 3, conducting pin pole 4 and electrically conductive fixture block 7, when providing good electric conductivity, can ensure earthing device's fastness again, avoid external colliding with, the wearing and tearing lead to the condition of earthing device structural damage.

The utility model discloses a theory of operation is: in the process of installing the grounding device, the positioning folded plate 1 is placed at a proper position, the conductive rod 2 is further inserted into the positioning screw hole 11, a worker aligns a drill bit with the hexagonal nut 24, the drill bit is controlled to spirally drill the conductive rod 2 into the ground, the positioning folded plate 1 is further fixed under the limiting positioning of the stop ring 23, the positioning folded plate 1 can be firmly combined with the ground under the synchronous spiral clamping of the spiral grains 22, further, when the ground wire is connected into the grounding device, the ground wire is pulled out of the cable through hole 10 in a penetrating way to be connected into the cable groove 8, under the rotating connection of the positioning rotating pin 3, the conductive pin rod 4 is pushed to drive the conductive clamping block 7 to be clamped with the cable groove 8, under the elastic support of the spring gasket 12, the conductive clamping block 7 firmly presses the ground wire into the cable groove 8, in the operation process of the electrical instrument, when the ground wire receives external pulling force, the combination of the pressure reducing spring 6 and the positioning rotating pin 3 can improve the deformation strength of the ground wire, strengthen the stretching length of the ground wire, avoid the situation that the ground wire is suddenly broken due to external pressure, further improve the safety and usability of the grounding device and strengthen the protection capability of workers.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an earthing device for electrical apparatus control, includes location folded plate (1), its characterized in that, the upper surface of location folded plate (1) is located front side position department and runs through and has seted up location screw (11), and location folded plate (1) is twisted with conducting rod (2) through location screw (11) and be connected, the top of location folded plate (1) is located terminal position department and is fixed with support base (5), and the top of location folded plate (1) is located middle part position department and is fixed with location commentaries on classics round pin (3), the top of support base (5) is fixed with pressure reducing spring (6), the inboard of pressure reducing spring (6) is located bottom position department and has cup jointed spacing stand (9), and the top of pressure reducing spring (6) is fixed with cable groove (8), the both sides of cable groove (8) are located middle part position department and all run through and have seted up cable through-hole (10), the inner side of the positioning rotating pin (3) is rotatably connected with a conductive pin rod (4), and a conductive clamping block (7) is fixed at the top end of the conductive pin rod (4).

2. The electrical apparatus control grounding device according to claim 1, wherein the conductive rod (2) comprises a grounding rod body (21), the grounding rod body (21) is provided with a spiral thread (22) on the outer side, a stop ring (23) is arranged at the end of the grounding rod body (21), and a hexagonal nut (24) is arranged at the top end of the grounding rod body (21).

3. An electrical apparatus control grounding device according to claim 2, characterized in that the external diameter of the said spiral thread (22) is adapted to the internal diameter of the positioning screw hole (11), and the length of the said grounding rod body (21) is not less than 10 cm.

4. The grounding device for electrical instrument control according to claim 1, wherein the number of the conducting rods (2) and the number of the positioning rotating pins (3) are not less than 3, and the conducting rods (2) and the positioning rotating pins (3) are in one-to-one correspondence with each other.

5. The grounding device for electrical instrument control according to claim 1, wherein the outer diameter of the conductive fixture block (7) is matched with the inner diameter of the cable groove (8), and the conductive fixture block (7) is fixed with the cable groove (8) through a spring gasket (12) in a clamping manner.

6. The grounding device for electrical instrument control according to claim 1, wherein the positioning folded plate (1), the conductive rod (2), the positioning rotating pin (3), the conductive pin rod (4) and the conductive block (7) are made of stainless steel.

7. An electrical apparatus control earthing device according to claim 1, characterized in that the outer diameter of the limit post (9) is adapted to the inner diameter of the relief spring (6), and the height of the limit post (9) is half the length of the relief spring (6).