CN218731782U

CN218731782U - Low ground resistance earthing device

Info

Publication number: CN218731782U
Application number: CN202222866917.2U
Authority: CN
Inventors: 黄桃梅; 卫兰; 周旭
Original assignee: Jiangsu Guofang Electric Power Technology Co ltd
Current assignee: Jiangsu Guofang Electric Power Technology Co ltd
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2023-03-24
Anticipated expiration: 2032-10-30

Abstract

The utility model discloses a low ground resistance earthing device, include: ground frame, ground mechanism and coupling mechanism, ground frame includes framework and spacing stake, spacing stake is at framework top bilateral symmetry fixedly connected with multiunit, the spacing stake equidistance of multiunit of homonymy sets up, ground mechanism includes that both sides binding post all opens the graphite ground connection module that has the card hole, each binding post of organizing graphite ground connection module all cooperates has joint spare, joint spare is used for cooperating the card hole and can dismantle the framework, graphite ground connection module fixedly, coupling mechanism is used for drawing forth the binding post of framework, its beneficial effect does: connect graphite ground connection module and framework through setting up the U-shaped checkpost, compare in welding and riveted connected mode, made things convenient for graphite ground connection module's change when having guaranteed the stability of connecting, make the convenient change of earth bar through setting up coupling mechanism simultaneously, the later maintenance of being convenient for.

Description

Low ground resistance earthing device

Technical Field

The utility model relates to an electrical installation technical field especially relates to a low ground resistance earthing device.

Background

The grounding device is used for solving the problem of large capacitance current when a full cable through line has a single-phase grounding fault.

The existing low grounding resistance grounding device is generally formed by connecting a plurality of groups of grounding modules in parallel, the structure is simple, and the low grounding resistance grounding device has long underground burying time, so that when pole cores of the low grounding resistance grounding modules are connected in parallel with each other or connected with a ground wire, the pole cores are required to be welded or riveted with the same material to ensure long-term connection stability, but the connection mode causes the problem of troublesome replacement of subsequent components.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above-mentioned trouble problem is changed to each subassembly of current low ground resistance earthing device, provided the utility model discloses.

Therefore, the utility model aims at providing a low ground resistance earthing device, it is used for solving each subassembly of current low ground resistance earthing device and changes trouble scheduling problem.

In order to solve the technical problem, the utility model provides a following technical scheme: a low ground resistance grounding device comprising:

the grounding frame comprises a frame body and limiting piles, wherein the limiting piles are symmetrically and fixedly connected with multiple groups on two sides of the top of the frame body, and the multiple groups of limiting piles on the same side are arranged at equal intervals;

the grounding mechanism comprises a graphite grounding module, clamping holes and clamping pieces, wherein the graphite grounding module is arranged between two groups of limiting piles which are opposite in position, two ends of a connecting terminal of the graphite grounding module are provided with jacks matched with the limiting piles, the connecting terminals at the two ends of the graphite grounding module are inserted into the corresponding limiting piles through the jacks, two groups of clamping holes are formed in the connecting terminals at the two sides of the graphite grounding module, the two groups of clamping holes are respectively positioned at the inner side and the outer side of the two groups of frames, the connecting terminals of the graphite grounding module of each group are matched with the clamping pieces, and the clamping pieces are used for matching the clamping holes to detachably fix the frames and the graphite grounding module;

and the connecting mechanism is fixedly connected with the frame body and is used for leading out a wiring terminal of the frame body.

As a preferred scheme of a low ground resistance earthing device, wherein: the joint spare includes the U-shaped checkpost, U-shaped checkpost both sides are passed respectively behind two sets of card holes that correspond and are buckled to the inboard.

As a preferred scheme of a low ground resistance earthing device, wherein: coupling mechanism includes connecting cylinder, connecting pile, earth bar, spacing ring and fixed subassembly, the equal fixed connection of connecting cylinder and connecting pile is at the framework top, the vertical setting of connecting cylinder, the connecting pile is located the connecting cylinder inboard, the earth bar bottom is provided with the recess that agrees with the connecting pile, the earth bar plug-in is at the connecting cylinder inboard and its top stretches out the connecting cylinder, the earth bar bottom recess supports the connecting pile, the spacing ring be located the earth bar top and with earth bar fixed connection, earth bar outside top has the screw thread, fixed subassembly is used for cooperating the spacing ring to fix connecting cylinder and earth bar.

As a preferred scheme of a low ground resistance earthing device, wherein: the fixing component comprises a threaded sleeve, the top of the threaded sleeve is provided with a sliding hole matched with the ground rod, the threaded sleeve is in sliding connection with the ground rod through the sliding hole, and the threaded sleeve is in threaded connection with the connecting cylinder and abuts against the limiting ring.

As a preferred scheme of a low ground resistance earthing device, wherein: connecting cylinder and framework are by with material weld forming, connecting cylinder surface coating has anti rust paint.

As a low ground resistance earthing device's an optimal selection scheme, wherein: the frame body and the limiting piles are formed by welding the same materials, and the surface of the frame body is coated with antirust paint.

The utility model has the advantages that: connect graphite ground connection module and framework through setting up the U-shaped checkpost, compare in welding and riveted connected mode, made things convenient for graphite ground connection module's change when having guaranteed the stability of connecting, make the convenient change of earth bar through setting up coupling mechanism simultaneously, the later maintenance of being convenient for, device overall structure is simple, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic perspective view of the grounding device with low ground resistance according to the present invention.

Fig. 2 is an enlarged view of the structure of the area a in fig. 1 according to the present invention.

Fig. 3 is a schematic diagram of a partial sectional structure of a graphite grounding module of a grounding device with low grounding resistance.

Fig. 4 is a schematic view of a partial sectional structure of a connecting cylinder of a grounding device with low grounding resistance according to the present invention.

Description of the drawings: 100. a ground frame; 101. a frame body; 102. limiting piles; 200. a grounding mechanism; 201. a graphite grounding module; 202. a clamping hole; 203. a U-shaped clip; 300. a connecting mechanism; 301. a connecting cylinder; 302. connecting piles; 303. a ground rod; 304. a limiting ring; 305. and (4) a threaded sleeve.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other ways of implementing the invention may be devised different from those described herein, and it will be apparent to those skilled in the art that the invention can be practiced without departing from the spirit and scope of the invention.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure may not be partially enlarged according to the general scale, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Examples

A low ground resistance grounding device, comprising:

the grounding frame 100 comprises a frame body 101 and limiting piles 102, wherein multiple groups of limiting piles 102 are symmetrically and fixedly connected to two sides of the top of the frame body 101, the multiple groups of limiting piles 102 on the same side are arranged at equal intervals, the frame body 101 and the limiting piles 102 are welded and formed by the same material, and the surface of the frame body 101 is coated with antirust paint;

the grounding mechanism 200 comprises a graphite grounding module 201, clamping holes 202 and clamping pieces, wherein the graphite grounding module 201 is arranged between two groups of limiting piles 102 which are opposite in position, jacks matched with the limiting piles 102 are formed in the two ends of a connecting terminal of the graphite grounding module 201, the connecting terminals at the two ends of the graphite grounding module 201 are inserted into the corresponding limiting piles 102 through the jacks, two groups of clamping holes 202 are formed in the connecting terminals at the two sides of the graphite grounding module 201, the two groups of clamping holes 202 are respectively located on the inner side and the outer side of two groups of frames 101, the connecting terminals of each group of graphite grounding modules 201 are matched with the clamping pieces, the clamping pieces are used for matching with the clamping holes 202 to detachably fix the frames 101 and the graphite grounding module 201, each clamping piece comprises a U-shaped clamp 203, and the two sides of the U-shaped clamp 203 are bent after respectively passing through the two groups of corresponding clamping holes 202;

the connecting mechanism 300 is fixedly connected with the frame body 101, and is used for leading out a connecting terminal of the frame body 101, the connecting mechanism 300 comprises a connecting cylinder 301, a connecting pile 302, a ground rod 303, a limiting ring 304 and a fixing component, the connecting cylinder 301 and the connecting pile 302 are both fixedly connected to the top of the frame body 101, the connecting cylinder 301 is vertically arranged, the connecting pile 302 is located on the inner side of the connecting cylinder 301, a groove matched with the connecting pile 302 is formed in the bottom of the ground rod 303, the ground rod 303 is inserted into the inner side of the connecting cylinder 301, the top end of the ground rod 303 extends out of the connecting cylinder 301, the groove in the bottom end of the ground rod 303 abuts against the connecting pile 302, the limiting ring 304 is located above the ground rod 303 and is fixedly connected with the ground rod 303, the top of the outer side of the ground rod 303 is provided with threads, the fixing component is used for matching with the limiting ring 304 to fix the connecting cylinder 301 and the ground rod 303, the fixing component comprises a threaded sleeve 305, a sliding hole of the threaded sleeve 305 is formed in the top of the threaded sleeve 305, the threaded sleeve 305 is slidably connected with the connecting cylinder 301 and abuts against the limiting ring 304, and the connecting cylinder 301 and the connecting cylinder 101 is coated with antirust coating material.

The working principle is as follows: the utility model discloses in the use, when need changing ground connection module, will wait to change the U-shaped checkpost 203 flexion of ground connection module both sides through instruments such as pliers and break off with the fingers and thumb directly, can pull graphite ground connection module 201 upwards to promote and take out it and change, when needing to change earth bar 303, the spacing ring 304 that revolves outward takes out it, can promote earth bar 303 and take out it, during installation earth bar 303, insert interior thread bush 305 of revolving after the earth bar 303, when thread bush 305 supports tight spacing ring 304, earth bar 303 supports tight connecting pile 302, the installation of earth bar 303 is accomplished, connecting cylinder 301 protects earth bar 303 in daily use, prevent that earth bar 303 from corroding, improve earth bar 303 life.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A low ground resistance grounding device, comprising:

the grounding frame (100) comprises a frame body (101) and limiting piles (102), wherein multiple groups of limiting piles (102) are symmetrically and fixedly connected to two sides of the top of the frame body (101), and the multiple groups of limiting piles (102) on the same side are arranged at equal intervals;

the grounding mechanism (200) comprises a graphite grounding module (201), clamping holes (202) and clamping pieces, wherein the graphite grounding module (201) is arranged between two groups of limiting piles (102) which are opposite in position, jacks matched with the limiting piles (102) are formed in the two ends of a wiring terminal of the graphite grounding module (201), the wiring terminals at the two ends of the graphite grounding module (201) are inserted into the corresponding limiting piles (102) through the jacks, two groups of clamping holes (202) are formed in the wiring terminals at the two sides of the graphite grounding module (201), the two groups of clamping holes (202) are respectively located on the inner side and the outer side of the two groups of frames (101), the wiring terminals of each group of the graphite grounding module (201) are matched with the clamping pieces, and the clamping pieces are used for being matched with the clamping holes (202) to detachably fix the frames (101) and the graphite grounding module (201);

the connecting mechanism (300) is fixedly connected with the frame body (101), and is used for leading out a wiring terminal of the frame body (101).

2. A low ground resistance grounding device as claimed in claim 1, wherein: the joint spare includes U-shaped checkpost (203), U-shaped checkpost (203) both sides are passed two sets of card holes (202) that correspond respectively and are bent to the inboard.

3. A low ground resistance grounding device as claimed in claim 1, wherein: the connecting mechanism (300) comprises a connecting cylinder (301), a connecting pile (302), a grounding rod (303), a limiting ring (304) and a fixing assembly, wherein the connecting cylinder (301) and the connecting pile (302) are fixedly connected to the top of the frame body (101), the connecting cylinder (301) is vertically arranged, the connecting pile (302) is located on the inner side of the connecting cylinder (301), a groove matched with the connecting pile (302) is formed in the bottom of the grounding rod (303), the grounding rod (303) is inserted into the inner side of the connecting cylinder (301) and extends out of the connecting cylinder (301) from the top end of the connecting cylinder, the bottom end of the grounding rod (303) is abutted against the connecting pile (302), the limiting ring (304) is located above the grounding rod (303) and is fixedly connected with the grounding rod (303), threads are formed in the top of the outer side of the grounding rod (303), and the fixing assembly is used for being matched with the limiting ring (304) to fix the connecting cylinder (301) and the grounding rod (303).

4. A low ground resistance grounding device as claimed in claim 3, wherein: the fixing component comprises a threaded sleeve (305), a sliding hole matched with the grounding rod (303) is formed in the top of the threaded sleeve (305), the threaded sleeve (305) is in sliding connection with the grounding rod (303) through the sliding hole, and the threaded sleeve (305) is in threaded connection with the connecting cylinder (301) and abuts against the limiting ring (304).

5. A low ground resistance grounding device as claimed in claim 3 or 4, wherein: connecting cylinder (301) and framework (101) are by same material weld forming, connecting cylinder (301) surface coating has anti rust paint.

6. A low ground resistance grounding device as claimed in claim 1, wherein: the frame body (101) and the limiting pile (102) are formed by welding the same materials, and the surface of the frame body (101) is coated with antirust paint.