CN211929716U - Portable quick earthing device - Google Patents

Portable quick earthing device Download PDF

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Publication number
CN211929716U
CN211929716U CN202020708408.5U CN202020708408U CN211929716U CN 211929716 U CN211929716 U CN 211929716U CN 202020708408 U CN202020708408 U CN 202020708408U CN 211929716 U CN211929716 U CN 211929716U
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Prior art keywords
cap
earth bar
grounding
portable quick
screw
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CN202020708408.5U
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Chinese (zh)
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顾金昌
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Shanghai Xinying Powertech Co ltd
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Shanghai Xinying Powertech Co ltd
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Abstract

The utility model relates to a portable quick earthing device, including electric hammer, earth bar and overlap joint cap, the earth bar includes the earth bar body and locates the earth bar head and the earth bar stalk portion at earth bar body both ends respectively, be equipped with the spiral texture on the earth bar body, under ground connection and the operation state of withdrawing, in the tup mounting hole of electric hammer is located to the earth bar stalk portion, under the ground connection state, install the overlap joint cap on the earth bar stalk portion, be equipped with on the overlap joint cap and be used for the positioning mechanism of firm earth bar stalk portion and be used for the complementary unit who withdraws from the ground with the earth bar. Compared with the prior art, the utility model has the advantages of quick ground connection, parts repeatedly usable, convenient to carry.

Description

Portable quick earthing device
Technical Field
The utility model relates to an earthing device especially relates to a portable quick earthing device.
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. the grounding is difficult to withdraw and takes time, or the grounding rod cannot be reused; 4. after the surface of the grounding rod is corroded, the grounding resistance is higher than the requirement of the grounding resistance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable quick earthing device in order to overcome the defect that above-mentioned prior art exists, this earthing device can realize less ground resistance, not only can accomplish the ground connection operation safely fast, and can demolish the ground connection fast, reaches the effect of parts such as used repeatedly earth bar.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a portable quick earthing device, includes electric hammer, earth bar and overlap joint cap, the earth bar includes the earth bar body and locates the earth bar head and the earth bar stalk portion at earth bar body both ends respectively, be equipped with spiral texture on the earth bar body, under the ground connection state, in the tup mounting hole of electric hammer is located to the earth bar stalk portion, under the state of withdrawing from ground, install the overlap joint cap on the earth bar stalk portion, be equipped with on the overlap joint cap and be used for stabilizing the positioning mechanism of earth bar stalk portion and be used for withdrawing from ground the supplementary mechanism of withdrawing from ground of earth bar.
Preferably, the handle part of the grounding rod is provided with a handle groove and a handle pit for connecting with the electric hammer or the lap cap, and the set positions and shapes of the handle groove and the handle pit are matched with the hammer head mounting part of the electric hammer to be connected or the lap cap to be connected.
Preferably, the positioning mechanism comprises a cap barrel, a fixing screw, a bald positioning screw and a positioning mark, the cap barrel is covered on the handle part of the ground rod, a first screw hole for installing the fixing screw is formed in the barrel wall on one side of the cap barrel, the bald positioning screws are sequentially arranged on the barrel wall on the other side of the cap barrel from top to bottom, a screw hole for installing the bald positioning screw is formed in the barrel wall on the side, the positioning mark is arranged at the bottom of the screw hole, and the positioning mark is arranged on the barrel wall of the cap barrel and corresponds to the groove of the handle part.
Preferably, the auxiliary withdrawing mechanism comprises a circular auxiliary hole arranged on the cap barrel, and the circular auxiliary hole is arranged above the fixing screw and the bald positioning screw.
Preferably, the head of the grounding rod is of a cross-shaped four-edge steel knife structure.
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 handle groove is an elongated square groove, and the handle pit is an elongated oval structure.
Preferably, the lapping cap is further provided with a lifting ring screw for realizing the parallel connection of the grounding wire and the lapping cap and the parallel connection of a plurality of grounding rods.
Preferably, the number of the bald positioning screws is three.
Preferably, the spiral texture comprises a coarse thread and a fine thread which are sequentially connected with each other, and the grooves between adjacent spiral texture tracks form chip grooves.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the utility model discloses a manual mode of strikeing is replaced to the electric hammer mode, and the drill bit of electric hammer is replaced with the earth bar, and the earth bar includes earth bar body, earth bar head and earth bar stalk portion, is equipped with spiral texture on the earth bar body, can greatly reduce the difficulty degree of ground operations such as hard soil matter, concrete through the electronic hammer rotation effect with the electric hammer, and the commonality is strong, convenient operation, and ground connection is quick and effectual, can effectively improve the convenience of interim ground connection, is applicable to field etc. and needs often to change the scene of electric power construction or removal work;
2) the utility model discloses an install the overlap joint cap with the earth bar, be equipped with set screw, bald set screw and location mark on the overlap joint cap, the location mark corresponds with the position of earth bar trench, is guided by bald set screw, pushes the earth bar into the overlap joint cap, screws up the set screw, the overlap joint cap can be fixed on the stalk portion of earth bar, earth current flows to the earth bar through the screw, can realize the steadiness and the accuracy of overlap joint cap and earth bar installation, and then improve the ground effect;
3) the utility model installs the lapping cap on the grounding rod, and the lapping cap is provided with the round auxiliary hole, so that when the grounding rod drills soil or is taken out and clamped, the clamping or the taking out can be rapidly assisted and removed by passing through the round auxiliary hole through the screwdriver or the iron rod;
4) the lap cap is provided with a lifting ring screw, the lap cap is arranged on the handle part of the grounding rod, equipment grounding is realized by providing a connecting point through the lap cap, and mutual lap joint of a plurality of grounding rods can also be realized by fixedly screwing a wiring terminal of a grounding wire by the lifting ring screw, so that the grounding resistance is further reduced, and the application range of the integral grounding device is greatly improved;
5) the utility model is provided with the chip feeding groove and the chip discharging groove, the chip feeding groove is arranged on the outer wall below the head part of the grounding rod body and is arranged at equal intervals, the chip feeding rate of the soil can be improved when the grounding rod is grounded, and the chip discharging groove is arranged between the adjacent spiral texture tracks, so that the chip discharging rate of the soil can be improved;
6) the utility model discloses convenient to carry, and ground connection part can used repeatedly, and the practicality is strong.
Drawings
Fig. 1 is a schematic view of an electric hammer of a portable quick grounding device in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a ground rod of the portable quick grounding device in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a grounding rod head of a grounding rod of a portable quick grounding device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a front elevation view and a top view of a handle portion of a ground rod of a portable quick grounding device according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a lap cap of the portable quick grounding device according to an embodiment of the present invention at an angle;
fig. 6 is a schematic structural view of the portable quick grounding device according to an embodiment of the present invention at another angle;
fig. 7 is a schematic structural view illustrating the installation of the grounding rod and the lap cap in the portable quick grounding device according to the embodiment of the present invention;
as indicated by the reference numbers in fig. 1:
a. the rotary-type multifunctional electric drill comprises a battery pack, a battery release button, a side handle, a trigger switch, a mode selector dial, a mode selector release button, a mode selector;
reference numerals in fig. 2 to 7 indicate:
1. the ground rod comprises a ground rod body 2, an overlapping cap 11, a ground rod body 12, a ground rod head 13, a ground rod handle 111, a coarse thread 112, a fine thread 113, a chip discharge groove 121, a main cutter head 122, an auxiliary cutter head 123, a chip inlet groove 131, a handle groove 132, a handle pit 20, a cap barrel 21, a lifting ring screw 22, a fixing screw 23, a bald positioning screw 24, a positioning mark 25 and a round auxiliary hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Examples
The utility model relates to a portable quick earthing device, including electric hammer, earth bar 1 and overlap joint cap 2. The electric hammer is not provided with a drill bit, when the grounding rod needs to be installed underground or retracted, one end of the grounding rod 1 is installed in a hammer head installation hole of the electric hammer, and a lapping cap is installed when the grounding lapping is implemented; when the electric hammer is used for rotating and pulling out the grounding rod to be blocked, the lapping cap is installed, the round rod penetrates through the round auxiliary hole 25 of the lapping cap 2 to rotate for a plurality of circles to be loosened, and then the electric hammer is used or the grounding rod is directly pulled out, and the lapping cap 2 is installed at one end of the grounding rod 1. Specifically, the method comprises the following steps:
in the present embodiment, the electric hammer is an electric hammer in the prior art, and the electric hammer is composed of a battery pack, a side handle, a trigger switch, a main handle, a drill bit mounting part, a sleeve, a motor and the like. The electric hammer has the capability of large-energy impact and rotary soil drilling, and has the functions of blocking protection and shock absorption. As shown in fig. 1.
As shown in fig. 2 and 3, the ground rod 1 includes a ground rod body 11, a ground rod head 12, and a ground rod handle 13. The grounding rod body 11 is made of special steel rods and has the characteristics of oxidation resistance, corrosion resistance, high temperature resistance and the like. The grounding rod body 11 is provided with prominent spiral textures, and is an optimal design after the scrap rate verification of the comprehensive mass soil property. The spiral grain includes a coarse thread 111 and a fine thread 112 which are sequentially connected to each other, and a groove between adjacent spiral grain tracks forms a dust discharge groove 113 for discharging soil dust when being grounded.
The ground rod head 12 is provided at one end of the ground rod 1. Specifically, the ground rod head 12 includes a main bit 121, two auxiliary bits 122, and a bit base 124, the two main bits 121 and the two auxiliary bits 122 being arranged in a cross. The same two cutter heads are correspondingly arranged. The four-blade cutter head arranged in a cross shape can fully meet the requirement that the hardness reaches the concrete grounding operation. Preferably, the main cutter 121 and the auxiliary cutter 122 are steel cutters. The earth rod body 11 is connected to the outer wall below the earth rod head 12 and is provided with a chip inlet groove 123. Preferably, the plurality of chip flutes 123 are arranged on the lower outer wall of the ground rod body 11 at equal intervals.
The grounding rod handle 13 is arranged at the other end of the grounding rod body 11 and is used for connecting with an electric hammer or installing the overlapping cap 2. The grounding rod handle 13 is a cylindrical structure, and the outer wall of the grounding rod handle 13 is provided with a handle groove 131 and a handle pit 132 which are recessed inwards. In the specific use process of connecting the handle groove 131 and the handle pit 132 with the electric hammer, the set positions and shapes of the handle groove 131 and the handle pit 132 are matched with the hammer head mounting hole of the electric hammer to be connected, and the handle groove and the hammer head mounting hole are used for matching with the electric hammer to tightly hold the ground rod 1. During the particular use of the connection with the landing cap 2, the shank slots 131 and shank pockets 132 are positioned and shaped to mate with the landing components of the landing cap 2 to be connected.
In the present embodiment, preferably, two shank grooves 131 are symmetrically disposed on the corresponding surface of the ground rod shank 13, and a shank pit 132 is established between the two shank grooves 131. In the present embodiment, the shank groove 131 is preferably an elongated square groove, and the shank pit 132 is preferably an elongated oval structure.
The auxiliary grounding rod 1 is taken out by the lapping cap 2 through the installation of the grounding rod handle part 13, and the lapping cap 2 is used for realizing lapping of a grounding wire and the lapping cap and parallel connection among a plurality of grounding rods 1. As shown in fig. 3 to 6, the cap 2 includes a cap barrel 20, a fixing screw 22, a bald positioning screw 23, a positioning mark 24, and a circular auxiliary hole 25. The cap barrel 20 is used to mount the ground rod shank 13 therein. The screw hole is formed in the wall of one side of the cap barrel 20 and used for installing the fixing screw 22, the fixing screw 22 penetrates through the cap barrel 20 through the screw hole, the main effect is that the lap cap 2 is fixed on the handle portion 13 of the ground rod, the ground current flows to the ground rod 1 through the fixing screw 22, the fixing screw 22 can be screwed down through hands, other tools do not need to be used, and the operation is convenient. A plurality of bald positioning screws 23 are sequentially arranged on the other side wall of the cap barrel 20 from top to bottom, and similarly, screw holes for mounting the bald positioning screws 23 are arranged on the side wall; in the present embodiment, 3 bald set screws 23 are provided as stress-applying engagement points when the grounding bar 1 is pulled by using the locking cap 2. The positioning mark 24 mainly plays a positioning role, the positioning mark 24 is arranged at the central position of the bottom of the outer wall of the cap cylinder 2 corresponding to the bald positioning screw 23, the position of the positioning mark 24 corresponds to the position of the handle groove 131, when the lapping cap 2 is installed with the grounding rod 1, the lapping cap 2 is guided by the bald positioning screw 23, the grounding rod 1 is pushed into the lapping cap 2, the fixing screw 22 is screwed, the lapping cap 2 can be fixed on the handle part 13 of the grounding rod, and the grounding current flows to the grounding rod 1 through the fixing screw 22.
The lap cap 2 is further provided with a round auxiliary hole 25, and preferably, the round auxiliary hole 25 is arranged above the fixing screw 22 and the bald positioning screw 23. When the grounding rod 1 is driven into the ground or pulled out to be clamped by an electric hammer, the lap cap 2 is arranged on the grounding rod handle part 13, a screwdriver or an iron rod with the size corresponding to the size of the circular auxiliary hole 25 penetrates through the circular auxiliary hole 25, and then the screw handle is rotated for a plurality of circles in the direction opposite to the grounding spiral direction, so that the grounding rod 1 can be taken out of the soil. The lapping cap 2 has high hardness and obdurability, and an iron hammer can also be directly used for knocking the lapping cap to drive the non-textured ground rod into soft soil.
In this embodiment, as a preferable scheme, a suspension ring screw 21 is further disposed above the cap barrel 20, and is used for ground overlapping and overlapping among the plurality of ground rods 1, and the suspension ring screw 21 can realize mutual overlapping of the plurality of ground rods 1 by fixing and tightening a connection terminal of a ground wire, thereby further reducing ground resistance. The flying ring screw 21 mounted on the overlapping cap 2 can also be used for fixing a tether.
In the actual use process, the grounding rod can be driven into the ground by utilizing the hammering function of the electric hammer for about 3 minutes. The cutter head of the grounding rod head can be used for penetrating hard clay, stones in the clay and even reinforced concrete ground. When the ground rod is installed in the electric hammer and is driven into the ground or is pulled out to be clamped, the electric hammer is taken down from the ground rod, the lap cap is installed on the handle part of the ground rod, the round rod penetrates through the round auxiliary hole of the lap cap, and then the screw handle is rotated anticlockwise for a plurality of circles, so that the ground rod can be withdrawn. In addition, the lap cap has another purpose, namely when an electric hammer for driving the grounding rod into the soil is unavailable, the electric hammer can be directly used for knocking the lap cap to drive the grounding rod into the softer soil.
The utility model discloses portable quick earthing device adopts the electric hammer mode to replace manual knocking mode, the drill bit of electric hammer is replaced with the earth bar, the earth bar includes earth bar body, earth bar head and earth bar stalk portion, be equipped with spiral texture on the earth bar body, can greatly reduce the difficulty degree of ground operations such as hard soil matter, concrete through the electric rotation effect with the electric hammer, the commonality is strong, convenient operation, ground connection is quick and effectual, can effectively improve the convenience of interim ground connection, be applicable to field etc. need often change the scene of electric power construction and mobile machine work; the lap joint cap is arranged on the grounding rod, the lap joint cap is provided with the fixing screw, the bald positioning screw and the positioning mark, the positioning mark corresponds to the position of a groove position of the grounding rod, the grounding rod is pushed into the lap joint cap under the guidance of the bald positioning screw, the fixing screw is screwed, the lap joint cap can be fixed on the handle part of the grounding rod, grounding current flows to the grounding rod through the screw, the mounting stability and accuracy of the lap joint cap and the grounding rod can be realized, and the grounding effect is further improved; through with earth bar installation overlap joint cap, be equipped with circular auxiliary hole on the overlap joint cap for when earth bar bores soil or takes out the card, can pass circular auxiliary hole through screwdriver or iron rod and supplementary the getting rid of fast and block or take out.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a portable quick earthing device, its characterized in that, includes electric hammer, earth bar (1) and overlap joint cap (2), earth bar (1) includes earth bar body (11) and locates earth bar head (12) and earth bar stalk portion (13) at earth bar body (11) both ends respectively, be equipped with the spiral texture on earth bar body (11), under ground connection and withdrawal operation state, in the tup mounting hole of electric hammer is located in earth bar stalk portion (13), under ground connection state, installation overlap joint cap (2) on earth bar stalk portion (13), be equipped with on overlap joint cap (2) and be used for the positioning mechanism of firm earth bar stalk portion (13) and be used for the supplementary mechanism of withdrawing from ground of earth bar (1).
2. The portable quick grounding device as claimed in claim 1, wherein the grounding rod handle (13) is provided with a handle groove (131) and a handle pit (132) for connecting with the electric hammer or the lap cap (2), and the handle groove (131) and the handle pit (132) are configured to match with the hammer head mounting part of the electric hammer to be connected or the lap cap (2) to be connected.
3. The portable quick grounding device according to claim 2, wherein the positioning mechanism comprises a cap barrel (20), a fixing screw (22), a bald positioning screw (23) and a positioning mark (24), the cap barrel (20) is covered on the handle portion (13) of the grounding rod, a first screw hole for installing the fixing screw (22) is formed in one side barrel wall of the cap barrel (20), the bald positioning screws (23) are sequentially arranged on the other side barrel wall of the cap barrel (20) from top to bottom, a screw hole for installing the bald positioning screw (23) is formed in the side barrel wall, the positioning mark (24) is formed in the bottom of the screw hole, and the position of the positioning mark (24) on the barrel wall of the cap barrel (20) corresponds to the position of the handle portion groove (131).
4. A portable quick grounding device according to claim 3, characterized in that said auxiliary withdrawing mechanism comprises a circular auxiliary hole (25) provided on the cap barrel (20), the circular auxiliary hole (25) being provided above the fixing screw (22) and the bald positioning screw (23).
5. A portable quick grounding device according to claim 1, characterized in that the grounding rod head (12) is a cross-shaped four-edged steel blade structure.
6. A portable quick grounding device according to claim 1, characterized in that the outer wall of the bottom of the grounding rod body (11) connected with the grounding rod head (12) is provided with a chip inlet groove (123).
7. A portable quick grounding device according to claim 3, characterized in that said shank groove (131) is an elongated square groove and said shank well (132) is an elongated oval structure.
8. The portable quick grounding device as claimed in claim 1, wherein the lap cap (2) is further provided with a lifting ring screw (21) for connecting the grounding wire and the lap cap (2) in parallel and connecting a plurality of grounding rods (1) in parallel.
9. A portable quick grounding device according to claim 3 characterized in that the number of said bald positioning screws (23) is three.
10. A portable quick grounding device according to claim 1, characterized in that said spiral vein comprises a coarse thread (111) and a fine thread (112) arranged in series with each other, the grooves between adjacent spiral vein tracks constituting junk slots (113).
CN202020708408.5U 2020-04-30 2020-04-30 Portable quick earthing device Active CN211929716U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020708408.5U CN211929716U (en) 2020-04-30 2020-04-30 Portable quick earthing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020708408.5U CN211929716U (en) 2020-04-30 2020-04-30 Portable quick earthing device

Publications (1)

Publication Number Publication Date
CN211929716U true CN211929716U (en) 2020-11-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020708408.5U Active CN211929716U (en) 2020-04-30 2020-04-30 Portable quick earthing device

Country Status (1)

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CN (1) CN211929716U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446559A (en) * 2020-04-30 2020-07-24 上海欣影电力科技股份有限公司 Portable quick earthing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446559A (en) * 2020-04-30 2020-07-24 上海欣影电力科技股份有限公司 Portable quick earthing device

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