CN220474937U

CN220474937U - Grounding device

Info

Publication number: CN220474937U
Application number: CN202321584803.7U
Authority: CN
Inventors: 陈科; 宁宗藩; 周绍宇; 贺凯; 徐慧明
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2024-02-09
Anticipated expiration: 2033-06-20

Abstract

The utility model discloses a grounding device, which comprises: the hand-held rod is provided with an insulating sheath, the end part of the hand-held rod is provided with a clamping head, the clamping head is connected with the wire, the clamping head is in a hook shape, one end of the clamping head is connected with the hand-held rod, the other end of the clamping head is connected with the hand-held rod to form a clamping opening, two clamping pieces which are oppositely arranged are arranged in the clamping head, the clamping pieces are elastically connected with the clamping head, and the rebound directions of the clamping pieces enable the two clamping pieces to be close to each other. The live working on electrified equipment is convenient to connect, normal operation of the equipment is not affected, and personal safety in the overhaul process is ensured.

Description

Grounding device

Technical Field

The utility model relates to the field of steel smelting, in particular to a grounding device.

Background

Because the working environment is bad in steel smelting, many devices are provided with metal shells and frames, all are electric conductors, electric leakage accidents are easy to occur, most of the grounding devices at present are assembled on electrified devices in advance, and once electric leakage occurs, the small and weak electric leakage needs to be stopped in time, so that the production efficiency is greatly reduced.

Disclosure of Invention

The utility model aims to provide a grounding device which is convenient for live working connected to live equipment, does not influence the normal operation of the equipment, and ensures personal safety in the overhaul process.

A grounding device, comprising: the hand-held rod is provided with an insulating sheath, the end part of the hand-held rod is provided with a clamping head, the clamping head is connected with the wire, the clamping head is in a hook shape, one end of the clamping head is connected with the hand-held rod, the other end of the clamping head is connected with the hand-held rod to form a clamping opening, two clamping pieces which are oppositely arranged are arranged in the clamping head, the clamping pieces are elastically connected with the clamping head, and the rebound directions of the clamping pieces enable the two clamping pieces to be close to each other.

In one embodiment, the inner wall of the chuck is provided with a containing groove, one end of the clamping piece is hinged in the containing groove, and a rebound piece is arranged between the clamping piece and the chuck.

In one embodiment, the resilient member is a torsion spring, a fixing rod is arranged between two side walls of the accommodating groove, the torsion spring is sleeved outside the fixing rod, a first force arm of the torsion spring is in butt joint with the bottom of the accommodating groove, and a second force arm of the torsion spring is in butt joint with the clamping piece.

In one embodiment, the side wall of the accommodating groove is provided with a movable hole, and the clamping piece is hinged to the movable hole through a fixing bolt.

In one embodiment, the end of the fixing bolt is provided with a nut.

In one embodiment, one end of the wire is connected to the chuck, and the other end of the wire is connected to a grounding rod.

In one embodiment, the grounding rod is T-shaped.

In one embodiment, the grounding rod is provided with a mounting plate, a first electric terminal is arranged at one end, connected with the grounding rod, of the wire, and the first electric terminal is connected with the mounting plate through a fastening bolt.

In one embodiment, a second electrical terminal is arranged at one end of the wire connected with the chuck, and the second electrical terminal is mounted on the outer wall of the chuck through a bolt.

In one embodiment, the clamping pieces are curved, and the curved convex parts of the two clamping pieces are opposite.

Compared with the prior art, the grounding device has the advantages that:

1. the clamping head is provided with two clamping pieces, so that the clamping head can be conveniently clamped into the charging equipment, the charging equipment is clamped between the two clamping pieces and the bottom of the clamping head by the two clamping pieces, and the charging equipment is grounded. In the use, the effort of clamping piece at resilience force is connected with electrified equipment always, guarantees the earthing effect, avoids dangerous emergence.

2. The clamping piece is in a bent arc shape, so that the clamping piece can be reversely and forcefully taken down from the electrified equipment.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an overall structure of a grounding device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the area around the chuck in the embodiment of the utility model;

fig. 3 is a schematic structural view of an area near the accommodating groove in an embodiment of the utility model.

Wherein, 1, a handheld rod, 2, an insulating sheath, 3, a clamping head, 4, a clamping piece, 5, a fixed rod, 6, a torsion spring, 7, a second force arm of the torsion spring, 8, a fixed bolt, 9, nuts, 10, wires, 11, a grounding rod, 12, a second electric terminal, 13, a mounting plate, 14, a first electric terminal, 15, fastening bolts, 31 and a containing groove.

Detailed Description

Embodiments of the present utility model will now be described with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

1-3, the grounding device includes: the handheld pole 1, wire 10, the insulating sheath 2 is equipped with outward to handheld pole 1, the tip of handheld pole 1 is equipped with dop 3, dop 3 is connected with wire 10, dop 3 is the crotch form, the one end of dop 3 is connected with handheld pole 1, constitute the centre gripping opening between the other end and the handheld pole 1, be equipped with two clamping pieces 4 of relative setting in the dop 3, clamping piece 4 and dop 3 elastic connection, the resilience direction of clamping piece 4 makes two clamping pieces 4 be close to each other. When the grounding device is used, a certain part of the charging equipment is clamped into the clamping head 3 through the clamping opening, the two clamping pieces 4 clamp the charging equipment, the lead 10 is used for grounding, in the use process, the clamping pieces 4 are always connected with the charging equipment under the action of resilience force, the grounding effect is ensured, and the danger is avoided.

The clamping pieces 4 are in curved shapes, and the curved convex parts of the two clamping pieces 4 are opposite to each other, as shown in fig. 2. When the chuck 3 is clamped into the charging equipment, the charging equipment enters between the two clamping pieces 4 from the clamping opening, the clamping pieces 4 are continuously jacked up to penetrate through the curved convex parts, the clamping pieces 4 are mutually close under the action of resilience force to clamp the charging equipment, the charging equipment is clamped at the bottom of the hook of the chuck 3, specifically, the charging equipment is clamped between the convex parts of the two curved clamping pieces 4 and the bottom of the hook of the chuck 3, the two clamping pieces 4 and the chuck 3 are in contact conduction with the charging equipment, and the multipoint contact ensures the grounding effect.

The inner wall of the clamping head 3 is provided with a containing groove 31, one end of the clamping piece 4 is hinged in the containing groove 31, and a rebound piece is arranged between the clamping piece 4 and the clamping head 3. When the clamping piece 4 is opened by the electrified device, the clamping piece 4 can be received in the accommodating groove 31. The rebound member is used for providing rebound force. In this embodiment, the resilient member is a torsion spring 6, a fixing rod 5 is disposed between two sidewalls of the accommodating groove 31, the torsion spring 6 is sleeved outside the fixing rod 5, a first force arm of the torsion spring 6 is abutted to a bottom of the accommodating groove 31, and a second force arm 7 is abutted to the clamping piece 4.

The side wall of the accommodating groove 31 is provided with a movable hole, and the clamping piece 4 is hinged to the movable hole through a fixing bolt 8. The end of the fixing bolt 8 is provided with a nut 9. The clamping piece 4 is installed in the accommodating groove 31 by the fixing bolt 8, the clamping piece 4 rotates relative to the fixing bolt 8, the nut 9 is arranged at the tail end of the fixing bolt 8, and the clamping piece 4 can be replaced by disassembling the nut 9.

One end of the wire 10 is connected with the chuck 3, and the other end of the wire 10 is connected with a grounding rod 11. The grounding rod 11 is provided with a mounting plate 13, and one end of the wire 10 connected with the grounding rod 11 is provided with a first electric connection terminal 14, and the first electric connection terminal 14 is connected with the mounting plate 13 through a fastening bolt 15. According to the different practical environments, the grounding rod 11 can be replaced by a needed type, the connection mode of the lead 10 and the grounding rod 11 is set to be a bolt connection mode of the first detachable grounding terminal 14 and the mounting plate 13, and the grounding rods 11 with different models can be replaced conveniently. The end that wire 10 and chuck 3 are connected is equipped with second and connects electric terminal 12, and second connects electric terminal 12 through the bolt mounting in the outer wall of chuck 3, conveniently changes wire 10. In this embodiment, the grounding rod 11 is T-shaped, and is conveniently inserted into the ground.

In this embodiment, the hand-held rod 1, the wire 10 and the grounding rod 11 are connected, the grounding rod 11 is grounded, the hand-held rod 1 is held in the region of the insulating sheath 2, the clamping head 3 is clamped into the charging device, the two clamping pieces 4 clamp the charging device between the two clamping pieces 4 and the bottom of the clamping head 3, and the charging device is grounded. The clamping piece 4 is in a bent arc shape, so that the clamping head 3 can be reversely and forcefully removed from the electrified equipment.

The utility model has been described in connection with the preferred embodiments, but the utility model is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. A grounding device, comprising: the hand-held rod is provided with an insulating sheath, the end part of the hand-held rod is provided with a clamping head, the clamping head is connected with the wire, the clamping head is in a hook shape, one end of the clamping head is connected with the hand-held rod, the other end of the clamping head is connected with the hand-held rod to form a clamping opening, two clamping pieces which are oppositely arranged are arranged in the clamping head, the clamping pieces are elastically connected with the clamping head, and the rebound directions of the clamping pieces enable the two clamping pieces to be close to each other.

2. The grounding device according to claim 1, wherein the inner wall of the chuck is provided with a containing groove, one end of the clamping piece is hinged in the containing groove, and a rebound piece is arranged between the clamping piece and the chuck.

3. The grounding device according to claim 2, wherein the rebound member is a torsion spring, a fixing rod is arranged between two side walls of the accommodating groove, the torsion spring is sleeved outside the fixing rod, a first force arm of the torsion spring is abutted to the groove bottom of the accommodating groove, and a second force arm of the torsion spring is abutted to the clamping piece.

4. The grounding device according to claim 2, wherein the side wall of the accommodating groove is provided with a movable hole, and the clamping piece is hinged to the movable hole through a fixing bolt.

5. A grounding device according to claim 4, wherein the fixing bolt is provided with a nut at its end.

6. A grounding device according to claim 1, wherein one end of said wire is connected to said chuck, and the other end of said wire is connected to a grounding rod.

7. A grounding device as in claim 6 wherein said grounding bar is T-shaped.

8. A grounding device according to claim 6, wherein the grounding rod is provided with a mounting plate, and the end of the wire connected to the grounding rod is provided with a first electrical terminal, and the first electrical terminal is connected to the mounting plate by a fastening bolt.

9. The grounding device according to claim 6, wherein a second electrical terminal is provided at an end of the wire connected to the chuck, and the second electrical terminal is mounted to an outer wall of the chuck by a bolt.

10. A grounding device according to any one of claims 1 to 9 wherein the clips are curved with curved projections of two of the clips facing each other.