CN211182564U

CN211182564U - Earthing device for electric power construction

Info

Publication number: CN211182564U
Application number: CN202020310774.5U
Authority: CN
Inventors: 陈伟; 方春华; 丁强; 汪强
Original assignee: XIAOGAN GUANGYUAN ELECTRIC POWER GROUP CO Ltd
Current assignee: XIAOGAN GUANGYUAN ELECTRIC POWER GROUP CO Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-08-04
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a grounding device for electric power construction in the field of electric power construction, which comprises a grounding rod, wherein an outer sleeve is fixed at the top center of the grounding rod, a transmission wire is electrically connected at the top center of the grounding rod, a spiral ring is fixed on the outer wall of the outer sleeve, an internal thread is arranged inside the outer sleeve, an inner sleeve is arranged inside the outer sleeve, an external thread matched with the internal thread is arranged on the outer wall of the inner sleeve, a current-conducting plate is arranged at the bottom center of the inner sleeve, the bottom end of the current-conducting plate is electrically connected with the transmission wire, a grounding wire is electrically connected at the top center of the current-conducting plate, a connecting disc is fixed at the top center of the connecting disc, a through hole is arranged inside the through hole, an insulating sleeve ring is arranged, the top end of the grounding wire penetrates through the connecting hole, and the edge of the bottom end of the connecting disc is provided with a ground inserting rod.

Description

Earthing device for electric power construction

Technical Field

The utility model relates to an electric power construction field specifically is a grounding device for electric power construction.

Background

The grounding body is a metal conductor or a conductor group which is in direct contact with soil and is divided into an artificial grounding body and a natural grounding body, the grounding body is used as a conductor which is in close contact with the underlying soil and provides electrical connection with the ground, and lightning energy is safely dissipated and discharged into the ground. Earthing device is when voltage appears in order to accident on the equipment that has had a power failure and circuit, guarantees the device of staff's safety, is the important indispensable instrument in electric power construction, the maintenance, and at present, current portable short circuit earthing device mainly has insulating action bars, earthing head to constitute, and current short circuit earthing device can not stretch out and draw back, leads to the inconvenient operation of going on when meetting the circuit of depths.

At present, Chinese patent with application number CN201821728348.2 discloses a portable electric power construction grounding device, in particular to the technical field of electric power construction tools, which comprises an insulating operating rod and a grounding head, wherein one end of the insulating operating rod is connected with the grounding head, the insulating operating rod comprises a sleeve and a gear post, an inner cavity is arranged in the sleeve, one end of the sleeve is opened and communicated with the inner cavity, a rotating shaft is movably arranged on the sleeve, one end of the rotating shaft extends into the inner cavity and is circumferentially provided with a first gear, the other end of the rotating shaft is arranged outside the sleeve and is provided with a rotating wheel, the outer surface of the gear post is axially provided with a second gear, the first gear is meshed with the second gear, the end part of one end of the gear post is provided with a baffle, and with rotation axis swing joint, the other end is equipped with the fixed plate, and the fixed plate links to each other with the ground joint, when the swiveling wheel was rotatory, can drive gear column through the rotation axis and make linear motion. The length of insulating bar can be adjusted to the device to be fit for operating the circuit of different depths. However, when this device is used for temporary grounding in power construction, the fixing strength of the device is weak and no protective measures are provided. Based on this, the utility model designs an earthing device for electric power construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earthing device for electric power construction to propose in solving above-mentioned background, when using the device to carry out electric power construction temporary grounding, the fixed intensity of device is more weak, does not set up the problem of safeguard measure simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme:

The utility model provides an earthing device for electric power construction, includes the earth bar, earth bar top center is fixed with the outer tube, earth bar top center electric connection has the transmission electric wire, be fixed with the spiral ring on the outer tube outer wall, the outer tube is inside to be seted up the internal thread, the interior sleeve pipe of installing of outer tube, interior sleeve pipe outer wall is seted up with the external screw thread of internal thread fit, interior sleeve pipe bottom center installs the current conducting plate, the current conducting plate bottom links to each other with the transmission electric wire electrical property, current conducting plate top center electric connection has the earth connection, interior sleeve pipe top is fixed with the connection pad, connection pad top center is seted up the through-hole, the through-hole is internally mounted has the insulating lantern ring, the earth connection pad top center is fixed with protective case, protective case top, the center of the top end of the sealing cover is provided with a connecting hole, the top end of the grounding wire penetrates through the connecting hole, and the edge of the bottom end of the connecting disc is provided with a ground inserting rod.

Preferably, the ground rod is of an inverted circular truncated cone structure, the outer sleeve is made of an insulating material, the transmission wire is a flexible wire, the length of the transmission wire is equal to that of the outer sleeve, and the spiral ring is spirally and fully covered on the side wall of the outer sleeve.

Preferably, the length of the internal thread is equal to that of the outer sleeve, the inner sleeve is made of an insulating material, the length of the inner sleeve is smaller than that of the outer sleeve, and the length of the external thread is equal to that of the inner sleeve.

Preferably, the height of the horizontal plane where the bottom end of the conductive plate is located is equal to or higher than the height of the horizontal plane where the bottom end of the inner sleeve is located, the diameter of the through hole is equal to the inner diameter of the inner sleeve, and the shape and size of the insulating lantern ring are equal to the shape and size of the through hole.

Preferably, the protective sleeve and the closing cover are made of insulating materials, and the ground inserting rods are three groups and are uniformly arranged at the bottom edge of the connecting disc in the circumference.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the inner sleeve and the outer sleeve and utilizing the thread fit between the inner sleeve and the outer sleeve, when the depth of the ground rod penetrating into the ground is required to be greater than the length of the outer sleeve, the extending length of the inner sleeve can be adjusted; the ground inserting rods uniformly arranged on the circumference are inserted into the ground, so that the stability of the device in the use process is enhanced; through the inner sleeve, the outer sleeve and the protective sleeve which are arranged as insulators, the transmission line and the grounding line can be protected, and the transmission line and the grounding line are prevented from being exposed in soil or air and protected.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged schematic view of part A of the present invention;

Fig. 4 is an enlarged schematic view of the part B of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-ground rod, 2-outer sleeve, 3-transmission wire, 4-spiral ring, 5-internal thread, 6-inner sleeve, 7-external thread, 8-conductive plate, 9-ground wire, 10-connecting disc, 11-through hole, 12-insulating sleeve ring, 13-protective sleeve, 14-sealing cover, 15-connecting hole and 16-ground inserting rod.

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 examples 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

As shown in fig. 1, 2 and 3, a grounding device for power construction comprises a grounding rod 1, the grounding rod 1 is of an inverted truncated cone structure, an outer sleeve 2 is fixed at the center of the top end of the grounding rod 1, the outer sleeve 2 is made of an insulating material, a transmission wire 3 is electrically connected to the center of the top end of the grounding rod 1, the transmission wire 3 is a flexible wire and has a length equal to that of the outer sleeve 2, a spiral ring 4 is fixed on the outer wall of the outer sleeve 2, the spiral ring 4 is spirally and fully covered on the side wall of the outer sleeve 2, an internal thread 5 is arranged inside the outer sleeve 2, the length of the internal thread 5 is equal to that of the outer sleeve 2, an inner sleeve 6 is arranged inside the outer sleeve 2, the inner sleeve 6 is made of an insulating material, the length of the inner sleeve 6 is smaller than that of the outer sleeve 2, an external thread 7 matched, the center of the bottom end of the inner sleeve 6 is provided with a conductive plate 8, the height of the horizontal plane at the bottom end of the conductive plate 8 is equal to or higher than that at the bottom end of the inner sleeve 6, the bottom end of the conductive plate 8 is electrically connected with the transmission wire 3, and the center of the top end of the conductive plate 8 is electrically connected with a grounding wire 9;

As shown in fig. 2 and 4, a connection pad 10 is fixed at the top end of the inner sleeve 6, a through hole 11 is formed in the center of the top end of the connection pad 10, the diameter of the through hole 11 is equal to the inner diameter of the inner sleeve 6, an insulation lantern ring 12 is installed inside the through hole 11, the top end of the grounding wire 9 penetrates through the insulation lantern ring 12, the shape and size of the insulation lantern ring 12 are equal to the shape and size of the through hole 11, a protection sleeve 13 is fixed at the center of the top end of the connection pad 10, a closing cap 14 is installed at the center of the top end of the protection sleeve 13, the protection sleeve 13 and the closing cap 14 are both made of insulation materials, a connection hole 15 is formed in the center of the top end of the closing cap 14, the top end.

One specific application of this embodiment is: firstly, according to the requirement of the grounding depth, the connection disc 10 is rotated by utilizing the thread matching of the internal thread 5 and the external thread 7, the length of the inner sleeve 6 extending out of the outer sleeve 2 is adjusted, then the grounding rod 1 is inserted into the ground, so that the bottom end of the connection disc 10 is contacted with the ground, a device to be grounded is externally connected by utilizing the grounding wire 9, the grounding protection is carried out, through arranging the inner sleeve 6 and the outer sleeve 2 and utilizing the thread matching between the inner sleeve 6 and the outer sleeve 2, when the depth of the grounding rod 1 extending into the ground is required to be greater than the length of the outer sleeve 2, the length of the; the ground inserting rods 16 uniformly arranged on the circumference are inserted into the ground, so that the stability of the device in the use process is enhanced; the inner sleeve 6, the outer sleeve 2 and the protective sleeve 13, which are provided as insulators, protect the power transmission line 3 and the ground line 9 from being exposed to soil or air.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a grounding device for electric power construction, includes earth bar (1), its characterized in that: the ground rod (1) top center is fixed with an outer sleeve (2), the ground rod (1) top center is electrically connected with a transmission wire (3), a spiral ring (4) is fixed on the outer wall of the outer sleeve (2), an internal thread (5) is arranged in the outer sleeve (2), an inner sleeve (6) is arranged in the outer sleeve (2), an external thread (7) matched with the internal thread (5) is arranged on the outer wall of the inner sleeve (6), a current-conducting plate (8) is arranged at the center of the bottom end of the inner sleeve (6), the bottom end of the current-conducting plate (8) is electrically connected with the transmission wire (3), a ground wire (9) is electrically connected at the center of the top end of the current-conducting plate (8), a connecting disc (10) is fixed at the top end of the inner sleeve (6), a through hole (11) is arranged at, ground connection dish (9) top is passed insulating lantern ring (12), connection pad (10) top center is fixed with protective case (13), protective case (13) top center installs closing cap (14), connecting hole (15) have been seted up at closing cap (14) top center, connecting hole (15) are passed on ground connection dish (9) top, connection pad (10) bottom edge is provided with inserts ground pole (16).

2. The grounding device for electric power construction as set forth in claim 1, wherein: the ground rod (1) is inverted circular truncated cone type structure, outer tube (2) are formed by insulating material, transmission wire (3) are soft electric wire and its length equals the length of outer tube (2), spiral ring (4) spiral covers the setting at outer tube (2) lateral wall entirely.

3. The grounding device for electric power construction as set forth in claim 1, wherein: the length of the internal thread (5) is equal to that of the outer sleeve (2), the inner sleeve (6) is made of insulating materials, the length of the inner sleeve (6) is smaller than that of the outer sleeve (2), and the length of the external thread (7) is equal to that of the inner sleeve (6).

4. The grounding device for electric power construction as set forth in claim 1, wherein: the height of the horizontal plane of the bottom end of the conductive plate (8) is equal to or higher than that of the horizontal plane of the bottom end of the inner sleeve (6), the diameter of the through hole (11) is equal to the inner diameter of the inner sleeve (6), and the shape and the size of the insulating sleeve ring (12) are equal to those of the through hole (11).

5. The grounding device for electric power construction as set forth in claim 1, wherein: the protective sleeve (13) and the closed cover (14) are made of insulating materials, and the ground inserting rods (16) are three groups in total and are uniformly arranged on the edge of the bottom end of the connecting disc (10) in the circumference.