CN210272714U

CN210272714U - Electrical test grounding device

Info

Publication number: CN210272714U
Application number: CN201921432723.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guo Xianlin
Current assignee: Guo Xianlin
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-04-07
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to an earthing device technical field specifically is an electrical test earthing device, the on-line screen storage device comprises a base, the base intermediate position is equipped with earthing pole and both sides and is equipped with two dead levers, it has the earth connection connecting hole to open at the earthing pole top, it has regulation hole and bell mouth to open on the dead lever, the dead lever lateral wall is opened there are a plurality of expansion grooves, be equipped with the regulation pole in the regulation hole, it is equipped with the ejector pin to adjust the pole bottom, the base upper surface is equipped with two fixed blocks, be equipped with two slide bars rather than sliding connection on the fixed block, be equipped with two between two fixed blocks and press from both sides tight piece, the slide bar is fixed on pressing from both sides. This electrical test earthing device through the dead lever that sets up and regulation pole, by ejector pin extrusion bell groove, the outside inflation in dead lever bottom ensures that whole earthing device is difficult to not hard up after inserting ground soil, simultaneously through the tight piece of clamp and the cloth that keeps off the rain that sets up, reduces the potential safety hazard.

Description

Electrical test grounding device

Technical Field

The utility model relates to an earthing device technical field specifically is an electrical test earthing device.

Background

The existing grounding device for the electrical test is easy to loosen after being inserted into ground soil, and the joint positions of a grounding wire and the grounding device are in an exposed state, so that a large potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical test earthing device 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:

an electrical test grounding device comprises a base, wherein a first through connecting hole is formed in the middle position of the upper surface of the base, two symmetrical second connecting holes are formed in the upper surface of the base, the edges of the two sides of the upper surface of the base are close to each other, a locking hole is formed in one side of the base and penetrates into the first connecting hole, a locking screw in threaded connection with the locking hole is arranged in the locking hole, a grounding electrode fixed with the first connecting hole in threaded connection is arranged in the first connecting hole, a fixing rod fixed with the second connecting hole in threaded connection is arranged in the second connecting hole, a grounding wire connecting hole is formed in the top of the grounding electrode, a through hole penetrating into the grounding wire connecting hole is formed in the outer side wall of the grounding electrode, an adjusting hole is formed in the top of the fixing rod, a tapered hole is formed in the fixing rod and is positioned under the adjusting hole, and, the lower end position of the outer side wall of the fixed rod is provided with a plurality of expansion grooves penetrating into the conical hole, the adjusting hole is internally provided with an adjusting rod in threaded connection with the adjusting rod, the bottom of the adjusting rod is provided with an ejector rod which is of an integrally formed structure with the adjusting rod, the upper surface of the base is provided with two symmetrical fixed blocks which are fixed with the base through screw locking, one side of each fixed block is provided with two symmetrical and penetrating sliding rod holes, the sliding rod holes are internally provided with sliding rods in sliding connection with the sliding rod holes, two symmetrical clamping blocks are arranged between the two fixed blocks above the base, the sliding rods are fixed on the clamping blocks through threaded connection locking, the sliding rods are sleeved with reset springs, the middle position of one side, far away from the sliding rods, of the clamping blocks is provided with an arc-shaped groove, the arc-shaped groove is provided with a protection pad closely attached to the arc-shaped groove, one side, far away from the, the top of each of the clamping block and the fixed block is provided with a plurality of hooks which are fixedly connected with the clamping block through threads, and the hooks on the clamping block and the fixed block which are positioned on the same side are hung with rain-proof cloth.

Preferably, the bottoms of the grounding electrode and the fixing rod are both in a conical structure.

Preferably, the locking hole corresponds to the through hole in position, and the tail end of the locking screw extends into the through hole.

Preferably, the number of the expansion grooves is at least six, and the expansion grooves are distributed in an annular array.

Preferably, the top of adjusting the pole is higher than the top of dead lever, be close to top edge on the regulation pole lateral wall be equipped with two symmetries rather than through the fixed handle of threaded connection locking, just the cover is equipped with anti-skidding cover on the handle surface, the diameter of ejector pin is less than the diameter of adjusting the pole with the diameter at bell mouth top.

Preferably, a through pull rod hole is formed in one side of the fixing block, and the tail end of the pull rod penetrates through the pull rod hole and is fixed on the clamping block.

Preferably, the number of the hooks on each clamping block and each fixing block is at least four, and the hooks are distributed at equal intervals.

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

this electrical test earthing device, through the dead lever that sets up and regulation pole, rotate the handle and drive regulation pole and ejector pin downstream, by ejector pin extrusion bell mouth, the outside inflation in dead lever bottom for the bottom diameter of dead lever is greater than the top, ensures that whole earthing device is difficult to not hard up after inserting ground soil, simultaneously through the tight piece of clamp and the cloth of keeping off the rain that set up, shelters from earth connection and earthing device's joint department, reduces the potential safety hazard.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the base of the present invention;

fig. 3 is a schematic structural diagram of the middle grounding electrode of the present invention;

fig. 4 is a schematic structural view of the fixing rod of the present invention;

FIG. 5 is a sectional view of the fixing rod of the present invention;

fig. 6 is a schematic structural view of the adjusting lever of the present invention;

fig. 7 is a schematic structural view of the middle clamping block of the present invention;

fig. 8 is a schematic structural diagram of the middle fixing block of the present invention.

In the figure: 1. a base; 1a, a first connection hole; 11. a second connection hole; 12. a locking hole; 2. a ground electrode; 20. a ground wire connecting hole; 21. a via hole; 3. fixing the rod; 30. an adjustment hole; 31. an expansion tank; 32. a tapered hole; 4. adjusting a rod; 40. a top rod; 41. a handle; 5. a clamping block; 50. a slide bar; 51. a return spring; 52. a protective pad; 6. a fixed block; 60. a slide bar hole; 61. a draw bar hole; 7. a pull rod; 8. locking the screw; 9. hooking; 10. a rain-proof cloth.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-8, the present invention provides a technical solution:

an electrical test grounding device comprises a base 1, a first through connecting hole 1a is formed in the middle position of the upper surface of the base 1, two symmetrical second connecting holes 11 are formed in the upper surface of the base 1 near the edges of two sides, a locking hole 12 is formed in one side of the base 1 and penetrates into the first connecting hole 1a, a locking screw 8 in threaded connection with the locking hole 12 is arranged in the locking hole 12, a grounding electrode 2 in threaded connection and fixation with the first connecting hole 1a is arranged in the first connecting hole 1a, a fixing rod 3 in threaded connection and fixation with the second connecting hole 11 is arranged in the second connecting hole 11, a grounding wire connecting hole 20 is formed in the top of the grounding electrode 2, a through hole 21 penetrating into the grounding wire connecting hole 20 is formed in the outer side wall of the grounding electrode 2, an adjusting hole 30 is formed in the top of the fixing rod 3, a tapered hole 32 is formed in the fixing rod 3 and is located under, the lower end position of the outer side wall of the fixed rod 3 is provided with a plurality of expansion grooves 31 penetrating into the tapered hole 32, the adjusting rod 4 connected with the adjusting rod through screw threads is arranged in the adjusting hole 30, the bottom of the adjusting rod 4 is provided with an ejector rod 40 which is in an integrated structure with the adjusting rod, the upper surface of the base 1 is provided with two symmetrical fixed blocks 6 fixed with the fixed blocks through screw locking, one side of each fixed block 6 is provided with two symmetrical and penetrating slide rod holes 60, a slide rod 50 connected with the slide rod holes 60 in a sliding manner is arranged in the slide rod holes 60, two symmetrical clamping blocks 5 are arranged between the two fixed blocks 6 above the base 1, the slide rod 50 is fixed on the clamping block 5 through screw locking, the slide rod 50 is sleeved with a reset spring 51, one side of the clamping block 5 far away from the protective pad 52 is provided with a pull rod 7 fixed with the clamping block through screw threads, the tops of the, the clamping block 5 and the hook 9 on the fixed block 6 which are positioned on the same side are hung with a rain-proof cloth 10.

In the embodiment, the base 1 is made of an insulating material epoxy plate, the grounding electrode 2 is made of a conductive metal material, the fixing rod 3 is made of a metal with good elasticity, and the bottoms of the grounding electrode 2 and the fixing rod 3 are both in a conical structure, so that the grounding electrode and the fixing rod can be conveniently inserted into ground soil; the locking hole 12 corresponds to the position of the through hole 21, the tail end of the locking screw 8 extends into the through hole 21, and the locking screw 8 is rotated to fix the grounding wire in the grounding wire connecting hole 20 at the top of the grounding electrode 2.

In addition, the quantity of expansion groove 31 is six at least, and expansion groove 31 is annular array and distributes, when guaranteeing that the ejector pin extrudes bell mouth 32, can expand by propping big the bottom of dead lever 3.

Further, the top of the adjusting rod 4 is higher than the top of the fixing rod 3, two symmetrical handles 41 which are fixedly locked and locked through threads are arranged on the outer side wall of the adjusting rod 4 and close to the top edge, an anti-slip sleeve is sleeved on the outer surface of each handle 41, the adjusting rod 4 is driven to lift along a threaded hole in the adjusting hole 30 by rotating the handle 41 conveniently, the diameter of the ejector rod 40 is smaller than that of the adjusting rod 4 and smaller than that of the top of the tapered hole 32, the ejector rod 40 can enter the tapered hole 32, a through pull rod hole 61 is formed in one side of the fixing block 6, the tail end of the pull rod 7 penetrates through the pull rod hole 61 and is fixed on the clamping block 5, and the pull rod hole 61 is pulled to drive the clamping block 5 and the slide rod.

Specifically, an arc-shaped groove is formed in the middle of one side, away from the sliding rod 50, of the clamping block 5, a protection pad 52 tightly attached to the arc-shaped groove is arranged on the arc-shaped groove, and the protection pad 52 is made of soft rubber to prevent the arc-shaped groove from scratching an insulating skin on the outer side of the grounding wire.

It is worth noting that the number of the hooks 9 on each clamping block 5 and each fixing block 6 is at least four, and the hooks 9 are distributed at equal intervals and used for fixing the rain blocking cloth 10 and preventing rainwater from entering the joint of the grounding wire and the grounding device to cause potential safety hazards.

When the grounding device for the electrical test is used, a worker firstly inserts the grounding electrode 2 and the fixing rod 3 into ground soil; then the handle 41 is rotated to drive the adjusting rod 4 to descend along the threaded hole in the adjusting hole 30, the ejector rod 40 descends in the tapered hole 32 along with the descending, the inner wall of the tapered hole 32 is extruded by the bottom of the ejector rod 40, and the bottom of the fixing rod 3 is expanded; then the outward pull rod 7 is pulled, and the clamping block 5 and the slide rod 50 are driven by the pull rod 7 to move outwards along the slide rod hole 60; then, the tail end of the grounding wire extends into the grounding wire connecting hole 20, and then the locking screw 8 is rotated inwards to fix the grounding wire in the grounding wire connecting hole 20; then the pull rod 7 is loosened, the clamping blocks 5 and the sliding rod 50 slide inwards along the sliding rod hole 60, the grounding wire is further fixed by the protection pads 52 on the two clamping blocks 5, and meanwhile, the joint of the grounding wire and the grounding device is shielded by the rain blocking cloth 10 on the clamping blocks 5 and the fixing block 6; after the use is finished, the locking screw 8 is firstly loosened, the pull rod 7 is pulled outwards, the grounding wire is taken out, then the handle 41 is rotated reversely, the adjusting rod 4 and the ejector rod 40 move upwards, the bottom of the fixing rod 3 is reset and reduced, and finally the grounding electrode 2 and the fixing rod 3 are pulled out of the ground soil.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electrical test earthing device, includes base (1), its characterized in that: the middle position of the upper surface of the base (1) is provided with a through first connecting hole (1a), the upper surface of the base (1) is provided with two symmetrical second connecting holes (11) near the edges of two sides, one side of the base (1) is provided with a locking hole (12), the locking hole (12) penetrates into the first connecting hole (1a), the locking hole (12) is internally provided with a locking screw (8) in threaded connection with the locking hole, the first connecting hole (1a) is internally provided with a grounding electrode (2) fixedly connected with the first connecting hole through threads, the second connecting hole (11) is internally provided with a fixing rod (3) fixedly connected with the second connecting hole through threads, the top of the grounding electrode (2) is provided with a grounding wire connecting hole (20), the outer side wall of the grounding electrode (2) is provided with a through hole (21) penetrating into the grounding wire connecting hole (20), the top of the fixing rod (3) is provided with an adjusting hole (30), the inside of the fixing rod (3) is positioned under the adjusting hole (30) and is provided with a tapered hole (32), the tapered hole (32) is communicated with the adjusting hole (30), the lower end position of the outer side wall of the fixing rod (3) is provided with a plurality of expansion grooves (31) penetrating into the tapered hole (32), the adjusting hole (30) is internally provided with an adjusting rod (4) in threaded connection with the adjusting rod, the bottom of the adjusting rod (4) is provided with an ejector rod (40) in an integrated structure, the upper surface of the base (1) is provided with two symmetrical fixing blocks (6) fixed with the fixing blocks through screw locking, one side of each fixing block (6) is provided with two symmetrical and penetrating sliding rod holes (60), and the sliding rod (50) in sliding connection with the sliding rod holes (60) is arranged in the sliding rod holes (60), two symmetrical clamping blocks (5) are arranged between the two fixed blocks (6) above the base (1), the sliding rod (50) is fixedly locked on the clamping block (5) through threaded connection, a return spring (51) is sleeved on the sliding rod (50), an arc-shaped groove is formed in the middle position of one side, far away from the sliding rod (50), of the clamping block (5), and a protective pad (52) tightly attached to the arc-shaped groove is arranged on the arc-shaped groove, a pull rod (7) fixedly connected with the clamping block (5) through threads is arranged on one side of the clamping block far away from the protective pad (52), the top of each of the clamping block (5) and the fixed block (6) is provided with a plurality of hooks (9) which are fixedly connected with the clamping block through threads, and the hooks (9) on the clamping block (5) and the fixed block (6) which are positioned on the same side are hung with rain-proof cloth (10).

2. The electrical test grounding apparatus of claim 1, wherein: the bottoms of the grounding electrode (2) and the fixing rod (3) are both conical structures.

3. The electrical test grounding apparatus of claim 1, wherein: the locking hole (12) corresponds to the position of the through hole (21), and the tail end of the locking screw (8) extends into the through hole (21).

4. The electrical test grounding apparatus of claim 1, wherein: the number of the expansion grooves (31) is at least six, and the expansion grooves (31) are distributed in an annular array.

5. The electrical test grounding apparatus of claim 1, wherein: the top of adjusting pole (4) is higher than the top of dead lever (3), it is equipped with two symmetries on adjusting pole (4) lateral wall and locks fixed handle (41) through threaded connection rather than being close to top edge, just the cover is equipped with anti-skidding cover on handle (41) surface, the diameter of ejector pin (40) is less than adjust the diameter of pole (4) with the diameter at bell mouth (32) top.

6. The electrical test grounding apparatus of claim 1, wherein: a through pull rod hole (61) is formed in one side of the fixing block (6), and the tail end of the pull rod (7) penetrates through the pull rod hole (61) and is fixed to the clamping block (5).

7. The electrical test grounding apparatus of claim 1, wherein: the number of the hooks (9) on each clamping block (5) and each fixing block (6) is at least four, and the hooks (9) are distributed at equal intervals.