CN111446560A

CN111446560A - Grounding rod

Info

Publication number: CN111446560A
Application number: CN202010368111.3A
Authority: CN
Inventors: 顾金昌
Original assignee: Shanghai Xinying Powertech Co ltd
Current assignee: Shanghai Xinying Powertech Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-24

Abstract

The invention relates to a ground rod, which comprises a ground rod body (1), a ground rod handle part (2) used for installing an electric hammer or a ground cap, and a ground rod head part (3) used for being inserted into the ground, wherein the ground rod handle part (2) and the ground rod head part (3) are respectively arranged at two ends of the ground rod body (1), a convex spiral texture (6) is arranged on the ground rod body (1), a ground rod groove position (5) used for being matched with the installation of the electric hammer or the installation of the ground cap is arranged on the ground rod handle part (2), and the ground rod head part (3) is a four-edge steel cutter structure (4) which is arranged in a cross shape. Compared with the prior art, the invention has the advantages of rapid grounding, realization of smaller grounding resistance grounding, improvement of hammering efficiency into the ground, convenience in carrying and the like.

Description

Grounding rod

Technical Field

The invention relates to the technical field of grounding equipment, in particular to a grounding rod.

Background

With the progress and development of social life, emergency rescue and war and engineering technologies, various mobile equipment such as power supply vehicles, communication vehicles, emergency rescue mobile equipment vehicles and radar vehicles are used more and more frequently, and before the equipment is unfolded to work in the field, the equipment needs to be grounded (a working place, a safety place and a lightning protection place) firstly, and besides a small grounding resistance, the grounding needs to be grounded quickly and the grounding needs to be withdrawn quickly. There is currently no grounding tool dedicated to this scenario that enables rapid implementation of grounding and retraction. The existing grounding method is that a grounding copper bar, a grounding rod and the like are buried after a grounding pool is dug manually or the grounding rod is driven into the ground through large hammer striking, and the grounding methods have the following defects: 1. hard earth, concrete and other ground work is quite difficult; 2. the grounding operation time is long; 3. after the surface of the grounding rod is corroded, the grounding resistance is higher than the requirement of the grounding resistance.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a ground rod that can be driven by an electric hammer into the soil with hardness of concrete to achieve grounding with a small ground resistance.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a ground rod, includes the ground rod body for the ground rod stalk portion of installation electric hammer or ground connection cap to and be used for inserting the ground rod head on ground, the ground rod stalk portion with the both ends at ground rod body both ends are located respectively to the ground rod head, be equipped with convex spiral texture on the ground rod body, be equipped with the ground rod trench that is used for matcing the electric hammer installation or ground connection cap installation on the ground rod stalk portion, the ground rod head is the four-blade steel sword structure of cross range.

Preferably, the ground rod groove position includes the stalk portion center groove of locating on the outer wall of the stalk portion of the ground rod and the stalk portion right side pit and the stalk portion left side pit of locating stalk portion center groove both sides, the other stalk portion right side groove that is equipped with in the stalk portion right side pit, the other stalk portion left side groove that is equipped with in the stalk portion left side pit.

Preferably, the spiral texture comprises a coarse thread and a fine thread which are sequentially connected end to end, and the grooves between adjacent spiral texture tracks form chip grooves.

Preferably, the outer wall of the bottom of the grounding rod body connected with the head of the grounding rod is provided with a chip inlet groove.

Preferably, the outer diameter of the grounding rod handle is smaller than that of the grounding rod body.

Preferably, the resistance of the ground rod head and the ground rod shank is less than 0.4 ohms.

Preferably, the four-blade steel cutter structure comprises two main steel cutter heads and two auxiliary steel cutter heads, the two same steel cutter heads are correspondingly arranged, and the four steel cutter heads are arranged in a cross shape and are erected on the cutter head base.

Preferably, the handle of the grounding rod is of a cylindrical structure.

Preferably, a handle right groove and a handle left groove are formed in the front side 1/4 arc surface of the handle of the ground rod, handle left pits and handle right pits are symmetrically formed in the corresponding 1/4 arc surfaces on the left side and the right side of the front side 1/4 arc surface, and a handle central groove is formed in the rear side 1/4 arc surface of the handle of the ground rod.

Preferably, the handle central groove, the handle right side groove and the handle left side groove are of elongated oval groove structures, one end of the handle right side groove and one end of the handle left side groove are arranged at the top of the handle part of the grounding rod, the other end of the handle right side groove is arranged at the central position of the handle body of the handle part of the grounding rod, and the handle central groove is arranged on the handle body.

Compared with the prior art, the invention has the following beneficial effects:

1) the grounding rod can replace a manual knocking mode by combining an electric mode of the electric hammer, a drill bit of the electric hammer is replaced by the grounding rod, the grounding rod comprises a grounding rod body, a grounding rod head and a grounding rod handle, spiral textures are arranged on the grounding rod body, the difficulty degree of ground operation such as hard soil, concrete and the like can be greatly reduced through the electric rotation effect of the grounding rod body and the electric hammer, the universality is strong, the operation is convenient, the grounding is quick, the effect is good, the convenience of temporary grounding can be effectively improved, and the grounding rod is suitable for fields and other fields which need to frequently replace electric power construction;

2) the head of the grounding rod is formed by a four-blade steel cutter structure arranged in a cross manner, so that the efficiency of hammering into the ground can be improved, and the requirement of the concrete grounding operation on hardness can be fully met;

3) the earth bar is provided with the chip feeding grooves and the chip discharging grooves, the chip feeding grooves are formed in the outer wall, below the head of the earth bar, of the earth bar body and are arranged at equal intervals, the earth mass chip feeding rate can be improved when the earth bar is grounded, and the chip discharging grooves are formed between adjacent spiral texture tracks, so that the earth mass chip discharging rate can be improved;

4) the invention is convenient to carry and has strong practicability.

Drawings

FIG. 1 is a schematic structural diagram of a ground rod according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a grounding rod head of the grounding rod in the embodiment of the invention;

FIG. 3 is a schematic diagram of the ground rod handle of the ground rod in an embodiment of the present invention;

the reference numbers in the figures indicate:

1. the ground rod comprises a ground rod body, 2, a ground rod handle, 3, a ground rod head, 4, a four-blade steel cutter structure, 41, a main steel cutter head, 42, an auxiliary steel cutter head, 43, a cutter head base, 5, a ground rod groove, 51, a handle central groove, 52, a handle right side groove, 53, a handle left side groove, 54, a handle right side pit, 55, a handle left side pit, 6, spiral grains, 61, coarse grains, 62, fine grains, 63, a chip removal groove, 7 and a chip feeding groove.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

Examples

As shown in fig. 1, the present invention relates to a ground rod including a ground rod grip 2, a ground rod body 1, and a ground rod head 3. The top of the grounding rod body 1 is connected with a grounding rod handle 2, the bottom of the grounding rod body 1 is connected with a grounding rod head 3, and the three are integrally formed.

The grounding rod body 1 is made of special steel rods and has the characteristics of high hardness, difficult deformation, corrosion resistance, wear resistance and the like. The grounding rod body 1 is provided with convex spiral textures 6, and the optimal design is achieved after the scrap rate verification of a large amount of soil characteristics is integrated. The spiral grain includes a coarse thread 61 and a fine thread 62 which are sequentially connected to each other, and a groove between adjacent spiral grain tracks forms a chip discharge groove 63 for discharging soil chips when being grounded.

The grounding rod head 3 is arranged at one end of the grounding rod body 1 and is used for being inserted into the ground with hardness reaching the concrete quality. In this embodiment, as a preferable scheme, the grounding rod head 3 is composed of four-edged steel blade structures 4 arranged in a cross shape, as shown in fig. 2, specifically, the four-edged steel blade structures 4 include two main steel blade heads 41 and two auxiliary steel blade heads 42, the same two steel blade heads are correspondingly arranged, the four steel blade heads are arranged in a cross shape and are erected on a blade head base 43, the blade head base 43 is a planar plate structure, and the four-edged blade heads arranged in a cross shape can fully meet the requirement of hardness to reach the concrete grounding operation.

The other end of earth bar body 1 is located to earth bar stalk portion 2 for be connected or install ground cap with the electric hammer, be equipped with earth bar trench 5 on the earth bar stalk portion 2, be used for accurate installation electric hammer or ground cap. In the present embodiment, the ground rod handle 2 is a cylindrical structure, and the outer diameter dimension thereof is smaller than the outer diameter dimension of the ground rod body 1.

In this embodiment, the ground rod slot 5 includes a shank central slot 51, a shank right slot 52, a shank left slot 53, a shank right pit 54 and a shank left pit 55. The ground rod shank 2 is of cylindrical construction, in this embodiment. As shown in fig. 3, a handle right groove 52 and a handle left groove 53 are respectively arranged on the arc surface of the front side 1/4 of the handle 2 of the ground rod; a left handle pit 55 and a right handle pit 54 are symmetrically arranged on the corresponding arc surfaces of the left side and the right side of the handle part 2 of the ground rod respectively; a shank central groove 51 is provided in the circular arc surface of the rear side 1/4 of the ground rod shank 2. The handle central groove 51, the handle right groove 52 and the handle left groove 53 are all designed as long-strip-shaped oval grooves, one end of the handle right groove 52 and the handle left groove 53 is arranged at the top of the handle 2 of the grounding rod, and the other end is arranged at the central position of the handle body of the handle 2 of the grounding rod. Shank right side pocket 54 and shank left side pocket 55 are elongated structures. The structure of the grounding rod handle part 2 and the grounding rod slot 5 is actually matched with a high-power electric hammer, and the high-power electric hammer can be used for driving the concrete to the ground with hardness.

The earth bar body 1 is connected with the outer wall below the earth bar head 3 and is provided with a chip inlet groove 7. Preferably, a plurality of chip flutes 7 are arranged on the lower outer wall of the ground rod body 1 at equal intervals.

The grounding rod handle part 2 of the grounding rod driven into the ground can be also provided with a grounding cap. The resistance of the grounding rod head 3 and the grounding rod handle 2 at two ends of the grounding rod body 1 is less than 0.4 ohm. When a small grounding resistance is needed, several grounding rods can be additionally arranged within one meter. And a plurality of grounding rods are connected in parallel and lapped through the grounding cap.

In the in-service use process, utilize the hammer of electric hammer to change the function, combine the spiral texture of earth bar can be hit into the earth with the earth bar fast. Particularly, the grounding rod handle is arranged in a hammer head mounting hole of the electric hammer, and the tool bit at the head part of the grounding rod can be used for punching through hard clay, stones in the clay and even reinforced concrete ground. When the grounding rod needs to be pulled out, the grounding rod can be pulled out through the rotation of the electric hammer or the installation of the grounding cap at the handle part of the grounding rod and the rotation of the round rod passing through the auxiliary hole of the grounding cap. In addition, when a small grounding resistance is needed, a plurality of grounding rods can be additionally arranged within one meter, and the plurality of grounding rods are connected in parallel and overlapped through grounding caps.

The grounding rod can replace a manual knocking mode by combining an electric mode of the electric hammer, a drill bit of the electric hammer is replaced by the grounding rod, the grounding rod comprises a grounding rod body, a grounding rod head and a grounding rod handle, spiral textures are arranged on the grounding rod body, the difficulty degree of ground operation of hard soil, concrete and the like can be greatly reduced through the electric rotation effect of the grounding rod body and the electric hammer, the grounding rod is strong in universality, convenient to operate, quick in grounding and good in effect, the convenience of temporary grounding can be effectively improved, and the grounding rod is suitable for fields and other fields which need to frequently replace electric power construction. The head of the grounding rod is composed of four-edge special steel cutters arranged in a cross manner, so that the efficiency of hammering into the ground can be improved, and the requirement of the concrete grounding operation on hardness can be fully met.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a ground rod, its characterized in that includes ground rod body (1), is used for ground rod stalk portion (2) of installation electric hammer or ground cap to and be used for inserting ground rod head (3) on ground, ground rod stalk portion (2) with the both ends at ground rod body (1) both ends are located respectively to ground rod head (3), be equipped with convex spiral texture (6) on ground rod body (1), be equipped with ground rod trench (5) that are used for matching the installation of electric hammer or the installation of ground cap on ground rod stalk portion (2), ground rod head (3) are four sword steel structure (4) of cross range.

2. A ground rod according to claim 1, characterized in that the ground rod groove (5) comprises a shank central groove (51) arranged on the outer wall of the ground rod shank (2) and a shank right-side pit (54) and a shank left-side pit (55) arranged on both sides of the shank central groove (51), the shank right-side pit (54) is provided with a shank right-side groove (52) beside, and the shank left-side pit (55) is provided with a shank left-side groove (53) beside.

3. A portable quick grounding device according to claim 1, characterized in that said spiral vein (6) comprises a coarse thread (61) and a fine thread (62) arranged in series end to end with each other, the grooves between adjacent spiral vein tracks constituting junk slots (63).

4. A portable quick grounding device according to claim 1, characterized in that the outer wall of the bottom of the grounding rod body (1) connected with the grounding rod head (3) is provided with a chip inlet groove (7).

5. A ground rod according to claim 1, characterized in that the outer diameter of the ground rod shank (2) is smaller than the outer diameter of the ground rod body (1).

6. A ground rod according to claim 1, characterized in that the resistance of the ground rod head (3) and the ground rod shank (2) is less than 0.4 ohm.

7. A grounding rod according to claim 1, characterized in that said four-edged steel blade structure (4) comprises two main steel blades (41) and two auxiliary steel blades (42), the same two steel blades being arranged in correspondence, the four steel blades being arranged in a cross and standing on a blade base (43).

8. A grounding rod according to claim 2, characterized in that the grounding rod shank (2) is of cylindrical construction.

9. The earth rod of claim 8, characterized in that the front side 1/4 arc of the earth rod handle (2) is provided with a handle right groove (52) and a handle left groove (53), the corresponding 1/4 arc on the left and right sides of the front side 1/4 arc is provided with a handle left pit (55) and a handle right pit (54), respectively, and the rear side 1/4 arc of the earth rod handle (2) is provided with a handle central groove (51).

10. The earth bar of claim 9, wherein the shank central groove (51), the shank right groove (52) and the shank left groove (53) are elongated oval grooves, one end of the shank right groove (52) and one end of the shank left groove (53) are disposed at the top of the shank (2) of the earth bar, the other end of the shank right groove (52) and the other end of the shank left groove are disposed at the central position of the shank of the earth bar (2), and the shank central groove (51) is disposed on the shank.