阅读说明：本技术 工地接地装置 (Grounding device for construction site ) 是由 孔长兴 李宏伟 王学军 孔令栋 白旭 于 2021-09-30 设计创作，主要内容包括：本发明提供了一种工地接地装置,属于接地装置技术领域,包括接地棒以及接地线,接地线的一端与接地棒连接,还包括套筒、敲击棒和摩擦组件。套筒同轴套设于接地棒外且与接地棒之间具有环形间隙,套筒的第一端的端面设有接地孔。敲击棒滑动穿透套筒的第二端且与接地棒固定连接,敲击棒具有转动的自由度,敲击棒的一端位于套筒外,接地线的一段嵌入固定于敲击棒内。摩擦组件包括滑动轴、摩擦板和压缩弹簧。滑动轴滑动穿透套筒。摩擦板位于环形间隙内且与滑动轴固定连接。压缩弹簧套设于滑动轴上且两端分别与套筒的内壁和摩擦板抵接。本发明提供的工地接地装置,能够避免接地棒被腐蚀后,接地棒插入地面后的接地效果较差的问题。(The invention provides a construction site grounding device, which belongs to the technical field of grounding devices and comprises a grounding rod and a grounding wire, wherein one end of the grounding wire is connected with the grounding rod, and the construction site grounding device further comprises a sleeve, a knocking rod and a friction assembly. The sleeve is coaxially sleeved outside the grounding rod and has an annular gap with the grounding rod, and the end face of the first end of the sleeve is provided with a grounding hole. The rapping bar penetrates through the second end of the sleeve in a sliding mode and is fixedly connected with the grounding bar, the rapping bar has rotational freedom, one end of the rapping bar is located outside the sleeve, and one section of the grounding wire is embedded and fixed in the rapping bar. The friction assembly includes a sliding shaft, a friction plate, and a compression spring. The sliding shaft is slidably inserted through the sleeve. The friction plate is positioned in the annular gap and is fixedly connected with the sliding shaft. The compression spring is sleeved on the sliding shaft, and two ends of the compression spring are respectively abutted against the inner wall of the sleeve and the friction plate. The construction site grounding device provided by the invention can avoid the problem of poor grounding effect after the grounding rod is inserted into the ground after being corroded.)

1. Building site earthing device, including earth bar and earth connection, the one end of earth connection with the earth bar is connected, its characterized in that still includes:

the sleeve is coaxially sleeved outside the grounding rod, an annular gap is formed between the sleeve and the grounding rod, a grounding hole coaxial with the grounding rod is formed in the end face of the first end of the sleeve, and the diameter of the grounding hole is not smaller than that of the grounding rod;

the knocking rod is arranged coaxially with the grounding rod, penetrates through the second end of the sleeve in a sliding mode and is fixedly connected with the grounding rod, the knocking rod has a rotational degree of freedom, one end of the knocking rod is located outside the sleeve, one section of the grounding wire is embedded and fixed in the knocking rod, the knocking rod can be driven to slide out of the sleeve through the grounding hole in a sliding mode, and therefore the grounding rod is provided with a first station located in the sleeve completely and a second station located outside the sleeve partially; and

a friction assembly including a sliding shaft, a friction plate, and a compression spring; the sliding shaft is perpendicular to the grounding rod, and the middle part of the sliding shaft penetrates through the sleeve in a sliding mode; the friction plate is positioned in the annular gap and is fixedly connected with one end of the sliding shaft positioned in the sleeve; the compression spring is sleeved on the sliding shaft, two ends of the compression spring are respectively abutted to the inner wall of the sleeve and the friction plate, so that the friction plate can compress the grounding rod, and when the grounding rod is positioned at the first station, two ends of the grounding rod are respectively aligned with corresponding ends of the friction plate.

2. The worksite grounding apparatus of claim 1, further comprising:

the ground drilling head comprises a connecting portion with a cylindrical structure and a conical portion which is coaxially arranged at one end of the connecting portion and has a conical structure, the connecting portion is far away from the end face of the conical portion, the ground rod is far away from the end face of the knocking rod, the connecting portion is connected with the ground rod, and the knocking rod is located at a first station and is arranged in the ground hole in a sliding mode.

3. The worksite grounding apparatus of claim 2, wherein the connecting portion is removably connected to the ground bar, the worksite grounding apparatus further comprising:

one end of the drying pipe is fixedly connected with the sleeve and is communicated with the interior of the sleeve;

the stoving axle, the middle part is coaxial to be worn to locate in the stoving pipe and with the stoving pipe rotates to be connected, the stoving axle is located one end in the sleeve has set firmly a plurality of flabellum.

4. The worksite grounding apparatus of claim 3, wherein the friction plate is in an arcuate plate-like configuration, the friction plate being mateably engageable with the ground bar when the ground bar is in the first station.

5. The site grounding device of claim 3 or 4, wherein the number of the sliding shafts and the compression springs in the friction assembly is two, the two sliding shafts are arranged at intervals along the axial direction of the grounding rod, and the two compression springs are respectively sleeved on the two sliding shafts.

6. The worksite grounding apparatus of claim 5, wherein said friction assembly further comprises:

the driving piece is positioned outside the sleeve and on one side, far away from the friction plate, of the sliding shaft, the driving piece is fixedly connected with the two sliding shafts, and a driving gap is formed between the driving piece and the sleeve.

7. The worksite grounding apparatus of claim 6, further comprising:

the sealing plate is perpendicular to the drying pipe and is sleeved on the drying shaft in a sliding manner;

the guide shaft is perpendicular to the drying shaft and penetrates through the sealing plate in a sliding mode, and one end of the guide shaft is fixedly connected with the sleeve;

wherein, the closing plate can slide switching the drying pipe is kept away from telescopic one end.

8. The worksite grounding apparatus of claim 7, wherein said drying duct is perpendicular to said sleeve and said drying duct is perpendicular to said sliding axis, said worksite grounding apparatus further comprising:

the limiting rod is of an L-shaped structure and comprises a parallel part parallel to the drying pipe and a limiting part positioned at one end of the parallel part, the other end of the parallel part is fixedly connected with the sealing plate, the parallel part penetrates through the driving gap, the limiting part is positioned at one side of the parallel part, which is far away from the sleeve, and a positioning hole parallel to the sliding shaft is formed in the surface of the limiting part, which is far away from the sleeve; a positioning shaft parallel to the positioning hole is arranged on the surface of the driving piece facing the parallel part;

when the sealing plate seals one end, far away from the sleeve, of the drying pipe, the limiting part is abutted against the side face, far away from the sealing plate, of the driving piece; when the driving piece drives the sliding shaft to slide towards the direction far away from the grounding rod until the positioning shaft is positioned on one side of the limiting part far away from the sleeve, the sealing plate can align the positioning hole with the positioning shaft by sliding towards the direction far away from the drying pipe.

9. The worksite grounding apparatus of claim 8, wherein the rapping bar has a diameter smaller than a diameter of the grounding bar, a side surface of the connecting portion having an annular groove coaxial with the connecting portion, the annular groove being located outside the sleeve, the worksite grounding apparatus further comprising:

rotate the piece, with the driving piece rotate connect and pivoted direction with connecting portion are perpendicular, it has arc portion to rotate the piece, works as the earth bar is in during the first station, the earth bar is kept away from the terminal surface of ground boring head with the inner wall laminating of sleeve second end, and this moment the driving piece is followed the slip of sliding shaft and the rotation of rotating the piece can make arc portion inserts or withdraws from annular groove.

10. The worksite grounding apparatus of claim 1, wherein the ground wire penetrates a sidewall of the tapping rod and a penetration point is located outside the sleeve.

Technical Field

The invention belongs to the technical field of grounding devices, and particularly relates to a grounding device for a construction site.

Background

In the field, many electrical devices such as electric welding machines, cutting machines, temporary distribution boxes and the like need to be grounded to prevent electric shock accidents, and because the devices need to be moved frequently, the ground wires of the devices are generally randomly wound on various steel structures on the field or simply connected and then hung on the ground in an empty mode, and the two grounding modes have low safety. In order to improve the grounding safety, the grounding rod is connected to the grounding wire of some electrical equipment at present, and the grounding rod is inserted into the ground to realize the grounding of the electrical equipment, in order to improve the conductivity of the soil, the humidity of the soil where the grounding rod is inserted is improved through the humidifying mechanism, however, the grounding rod is easy to corrode, and after the grounding rod is corroded, the grounding effect after the grounding rod is inserted into the ground is poor due to the fact that the side face with the larger area of the grounding rod is corroded.

Disclosure of Invention

The invention aims to provide a grounding device for a construction site, and aims to solve the problem that the grounding effect is poor after a grounding rod is inserted into the ground after the grounding rod is corroded.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a building site earthing device, includes earth bar and earth connection, the one end of earth connection with the earth bar is connected, still includes sleeve, rapping bar and friction pack. The coaxial cover of sleeve is located outside the earth bar and with annular gap has between the earth bar, the terminal surface of telescopic first end be equipped with the coaxial ground connection hole of earth bar, the diameter in ground connection hole is not less than the diameter of earth bar. The rapping bar with the earth bar is coaxial to be set up, the rapping bar slides and pierces through telescopic second end and with earth bar fixed connection, the rapping bar has the pivoted degree of freedom, the one end of rapping bar is located outside the sleeve, one section embedding of earth connection is fixed in the rapping bar, the slip of rapping bar can drive the earth bar passes through ground connection hole roll-off the sleeve, so that the earth bar has all to be located first station and the part in the sleeve second station outside the sleeve. The friction assembly includes a sliding shaft, a friction plate, and a compression spring. The sliding shaft is perpendicular to the grounding rod, and the middle part of the sliding shaft penetrates through the sleeve in a sliding mode. The friction plate is positioned in the annular gap and is fixedly connected with one end of the sliding shaft positioned in the sleeve. The compression spring is sleeved on the sliding shaft, two ends of the compression spring are respectively abutted to the inner wall of the sleeve and the friction plate, so that the friction plate can compress the grounding rod, and when the grounding rod is positioned at the first station, two ends of the grounding rod are respectively aligned with corresponding ends of the friction plate.

In one possible implementation, the ground engaging apparatus further includes a ground drilling head. The ground drilling head comprises a connecting portion with a cylindrical structure and a conical portion which is coaxially arranged at one end of the connecting portion and has a conical structure, the connecting portion is far away from the end face of the conical portion, the ground rod is far away from the end face of the knocking rod, the connecting portion is connected with the ground rod, and when the knocking rod is located at the first station, the middle portion of the connecting portion slides to penetrate through the ground hole.

In a possible implementation manner, the connecting portion is detachably connected with the ground rod, and the ground device at the construction site further comprises a drying pipe and a drying shaft. One end of the drying pipe is fixedly connected with the sleeve and is communicated with the interior of the sleeve. The middle part of the drying shaft coaxially penetrates through the drying pipe and is connected with the drying pipe in a rotating mode, and a plurality of fan blades are fixedly arranged at one end, located in the sleeve, of the drying shaft.

In a possible implementation manner, the friction plate is of an arc-shaped plate-shaped structure, and when the ground rod is located at the first station, the friction plate can be matched and attached with the ground rod.

In a possible implementation manner, the number of the sliding shafts and the number of the compression springs in the friction assembly are two, the two sliding shafts are arranged at intervals along the axial direction of the ground rod, and the two compression springs are respectively sleeved on the two sliding shafts.

In one possible implementation, the friction assembly further comprises a driving member. The driving piece is located outside the sleeve and located on one side, away from the friction plate, of the sliding shaft, the driving piece is fixedly connected with the two sliding shafts, and a driving gap is formed between the driving piece and the sleeve.

In one possible implementation, the worksite grounding device further comprises a closing plate and a guide shaft. The sealing plate is perpendicular to the drying pipe and is sleeved on the drying shaft in a sliding manner. The guide shaft is perpendicular to the drying shaft and penetrates through the sealing plate in a sliding mode, and one end of the guide shaft is fixedly connected with the sleeve. Wherein, the closing plate can slide switching the drying pipe is kept away from telescopic one end.

In a possible implementation, the drying tube is perpendicular to the sleeve and perpendicular to the sliding shaft, and the ground engaging device further includes a limiting rod. The gag lever post is L shape structure, the gag lever post include with the parallel portion of drying tube and be located the spacing portion of parallel portion one end, the other end of parallel portion with closing plate fixed connection, the parallel portion wears to locate in the drive clearance, spacing portion is located the parallel portion is kept away from telescopic one side, spacing portion is kept away from telescopic surface be equipped with the parallel locating hole of sliding shaft. And a positioning shaft parallel to the positioning hole is arranged on the surface of the driving piece facing the parallel part. When the sealing plate seals one end, far away from the sleeve, of the drying pipe, the limiting part is abutted against the side face, far away from the sealing plate, of the driving piece; when the driving piece drives the sliding shaft to slide towards the direction far away from the grounding rod until the positioning shaft is positioned on one side of the limiting part far away from the sleeve, the sealing plate can align the positioning hole with the positioning shaft by sliding towards the direction far away from the drying pipe.

In a possible implementation manner, the diameter of the striking rod is smaller than that of the ground rod, the side surface of the connecting part is provided with an annular groove coaxial with the connecting part, the annular groove is positioned outside the sleeve, and the construction site grounding device further comprises a rotating part. Rotate the piece with the driving piece rotate to be connected and pivoted direction with connecting portion are perpendicular, it has arc portion to rotate the piece, works as the earth bar is in during the first station, the earth bar is kept away from the terminal surface of boring the ground with the inner wall laminating of sleeve second end, and this moment the driving piece is followed the slip of sliding shaft and the rotation of rotating the piece can make arc portion inserts or withdraws from annular groove.

In one possible implementation, the ground wire penetrates through a side wall of the tapping rod and a penetration point is located outside the sleeve.

Compared with the prior art, the scheme shown in the embodiment of the application has the advantages that one end, far away from the grounding rod, of the grounding wire is connected with the electrical equipment, when the electrical equipment needs to be grounded, the knocking rod is driven to slide, so that the grounding rod is located at the second station, and the part, located outside the sleeve, of the grounding rod is inserted into the ground, so that the grounding of the electrical equipment can be achieved. After the earth bar rusts, the drive is beaten the stick and is slided, so that the earth bar is in first station, then make and beat stick and sleeve relative rotation, thereby realize the relative rotation of friction plate and earth bar, because compression spring's resilience force makes the friction plate compress tightly the earth bar, and the both ends of earth bar align with the corresponding end of friction plate respectively this moment, so the friction plate just can rub the rust on the earth bar lateral wall, thereby avoid the earth bar corroded the back, the relatively poor problem of ground effect behind the earth bar insertion ground.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of an axial structure of a field ground apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic axial sectional view of a grounding device for a construction site according to an embodiment of the present invention, shown in FIG. 1;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;

FIG. 4 is a schematic axial sectional view of a grounding device for a construction site according to an embodiment of the present invention, shown in FIG. 2;

FIG. 5 is an enlarged schematic view of a portion B of FIG. 4;

FIG. 6 is an enlarged schematic view of a portion C of FIG. 4;

fig. 7 is a schematic axial sectional view of a grounding device for a construction site according to an embodiment of the present invention, shown in fig. 3.

In the figure: 1. a ground rod; 11. a threaded hole; 2. a ground line; 3. a sleeve; 31. a first end; 32. a second end; 33. an annular gap; 4. a tapping stick; 41. an abutting portion; 5. a friction assembly; 51. a sliding shaft; 52. a friction plate; 53. a compression spring; 54. a drive member; 541. a drive gap; 542. positioning the shaft; 6. drilling a ground head; 61. a connecting portion; 611. an annular groove; 612. a threaded rod; 62. a cone head portion; 7. a drying duct; 71. a connecting pipe; 8. drying the shaft; 81. a fan blade; 82. a drive shaft; 83. a bonding section; 9. a closing plate; 10. a guide shaft; 110. a limiting rod; 111. a parallel portion; 112. a limiting part; 1121. positioning holes; 120. a rotating member; 121. an arc-shaped portion.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 4, 5 and 7 together, the construction site grounding device provided by the present invention will now be described. The building site earthing device comprises an earthing rod 1 and an earthing wire 2, wherein one end of the earthing wire 2 is connected with the earthing rod 1, and the building site earthing device further comprises a sleeve 3, a knocking rod 4 and a friction assembly 5. The sleeve 3 is coaxially sleeved outside the ground rod 1 and has an annular gap 33 with the ground rod 1, the end face of the first end 31 of the sleeve 3 is provided with a ground hole coaxial with the ground rod 1, and the diameter of the ground hole is not smaller than that of the ground rod 1. The rapping bar 4 is arranged coaxially with the grounding bar 1, the rapping bar 4 penetrates through the second end 32 of the sleeve 3 in a sliding mode and is fixedly connected with the grounding bar 1, the rapping bar 4 has a rotational degree of freedom, one end of the rapping bar 4 is located outside the sleeve 3, one section of the grounding wire 2 is embedded and fixed in the rapping bar 4, therefore, the grounding wire 2 can slide along with the rapping bar 4, the grounding bar 1 can be driven to slide out of the sleeve 3 through a grounding hole by sliding the rapping bar 4, and the grounding bar 1 is provided with a first station which is located in the sleeve 3 in a whole mode and a second station which is located outside the sleeve 3 in a part mode. The friction assembly 5 includes a sliding shaft 51, a friction plate 52, and a compression spring 53. The sliding shaft 51 is perpendicular to the ground rod 1 and is slid through the sleeve 3 at the middle. The friction plate 52 is located in the annular gap 33 and is fixedly connected to the end of the sliding shaft 51 located in the sleeve 3. The compression spring 53 is sleeved on the sliding shaft 51, and two ends of the compression spring are respectively abutted against the inner wall of the sleeve 3 and the friction plate 52, so that the friction plate 52 can press the ground rod 1, and when the ground rod 1 is in the first station, two ends of the ground rod 1 are respectively aligned with corresponding ends of the friction plate 52.

In the present embodiment, before the knock bar 4 is driven to slide, the sliding shaft 51 may be slid so that the friction plate 52 is out of contact with the ground rod 1, thereby reducing the resistance when the knock bar 4 slides. The friction plate 52 may be made of a material having a high friction coefficient. A section of the ground wire 2 embedded in the tapping rod 4 penetrates the tapping rod 4 in a direction toward the ground rod 1 and has an end connected to the ground rod 1. The sleeve 3 can rotate the friction plate 52 by the slide shaft 51.

Compared with the prior art, one end of the grounding wire 2, which is far away from the grounding rod 1, is connected with the electrical equipment, when the electrical equipment needs to be grounded, the knocking rod 4 is driven to slide, so that the grounding rod 1 is positioned at the second station, and the part of the grounding rod 1, which is positioned outside the sleeve 3, is inserted into the ground, so that the grounding of the electrical equipment can be realized. After the ground rod 1 rusts, the knocking rod 4 is driven to slide, so that the ground rod 1 is located at the first station, then the knocking rod 4 and the sleeve 3 rotate relatively, so that the friction plate 52 and the ground rod 1 rotate relatively, the friction plate 52 presses the ground rod 1 due to the resilience force of the compression spring 53, and the two ends of the ground rod 1 are aligned with the corresponding ends of the friction plate 52 respectively, so that the friction plate 52 rubs off rust on the side wall of the ground rod 1, and the problem that the grounding effect is poor after the ground rod 1 is inserted into the ground after the ground rod 1 is corroded is solved.

In some embodiments, referring to fig. 4 and 6, the worksite grounding apparatus further comprises a ground boring head 6. Ground boring head 6 is including connecting portion 61 that is the cylindricality structure and the coaxial cone head portion 62 that locates the one end of connecting portion 61 and be the conical structure, and the terminal surface that conical head portion 62 was kept away from to connecting portion 61 matches the laminating with the terminal surface that the rapping bar 4 was kept away from to earth bar 1, can reduce the probability that the terminal surface that the rapping bar 4 was kept away from to earth bar 1 like this, and connecting portion 61 is connected with the earth bar 1, and when rapping bar 4 was located first station, the middle part of connecting portion 61 slides and wears to locate in the ground connection hole. The ground rod 1 can be inserted into the ground more easily by means of the ground bit 6.

In some embodiments, referring to fig. 2, 3 and 6, the connecting portion 61 is detachably connected to the ground rod 1, and the ground engaging apparatus further includes a drying duct 7 and a drying shaft 8. One end of the drying pipe 7 is fixedly connected with the sleeve 3 and is communicated with the sleeve 3. The middle part of the drying shaft 8 coaxially penetrates through the drying pipe 7 and is rotatably connected with the drying pipe 7, and one end of the drying shaft 8, which is positioned in the sleeve 3, is fixedly provided with a plurality of fan blades 81. After the device is used, the connection between the drill bit 6 and the ground rod 1 can be disconnected, then the knocking rod 4 is driven to slide until the ground rod 1 is located at a first station, then the drying shaft 8 is driven to rotate, so that the fan blades 81 are driven to rotate, generated air flow flows out from a ground hole, moisture on the ground rod 1 is taken away, the interior of the sleeve 3 is dried, the ground rod 1 can be prevented from being corroded, and finally the connecting part 61 and the ground rod 1 are connected.

In this embodiment, in order to realize the detachable connection between the connection portion 61 and the ground rod 1, a threaded hole 11 is formed in an end surface of the ground rod 1, which is used for being attached to the connection portion 61, a threaded rod 612 is fixedly arranged on an end surface of the connection portion 61, which is used for being attached to the ground rod 1, and the threaded rod 612 is inserted into the threaded hole 11 and is in threaded connection with the threaded hole 11. One end of the drying shaft 8 far away from the fan blades 81 is fixedly provided with a driving shaft 82 perpendicular to the drying shaft 8, and the driving shaft 82 drives the drying shaft 8 to rotate conveniently.

In order to realize the rotation connection of the drying shaft 8 and the drying pipe 7, a connecting pipe 71 is arranged in the drying pipe 7, the connecting pipe 71 is sleeved on the drying shaft 8 and is fixedly connected with the drying pipe 7, two attaching portions 83 protruding outwards along the radial direction of the drying shaft 8 are arranged on the side wall of the drying shaft 8, and the two attaching portions 83 are attached to the connecting pipe 71 from two sides.

In some embodiments, referring to fig. 7, the friction plate 52 has an arc-shaped plate structure, and when the ground rod 1 is located at the first station, the friction plate 52 can be matched and attached to the ground rod 1, so that the friction plate 52 and the ground rod 1 are in surface contact, and the rust removing effect is good when the friction plate 52 and the ground rod 1 rotate relatively.

In some embodiments, referring to fig. 4, the number of the sliding shafts 51 and the number of the compression springs 53 in the friction assembly 5 are two, the two sliding shafts 51 are arranged at intervals along the axial direction of the ground rod 1, the two compression springs 53 are respectively sleeved on the two sliding shafts 51, and the resilience force of the two compression springs 53 ensures the friction rust removal effect. The two slide shafts 51 are provided to restrict the friction plate 52 and the sleeve 3 from relative rotation.

In some embodiments, referring to fig. 1, the friction assembly 5 further comprises a drive member 54. The driving element 54 is located outside the sleeve 3 and on a side of the sliding shaft 51 away from the friction plate 52, the driving element 54 is fixedly connected to both the sliding shafts 51, and a driving gap 541 is formed between the driving element 54 and the sleeve 3. It is convenient to drive the two sliding shafts 51 to slide by the driving piece 54.

In some embodiments, referring to fig. 1, the worksite grounding device further comprises a closing plate 9 and a guide shaft 10. The sealing plate 9 is perpendicular to the drying pipe 7 and is sleeved on the drying shaft 8 in a sliding manner. The guide shaft 10 is perpendicular to the drying shaft 8 and penetrates through the sealing plate 9 in a sliding mode, and one end of the guide shaft 10 is fixedly connected with the sleeve 3. Wherein, the closing plate 9 can slide to open and close one end of the drying pipe 7 far away from the sleeve 3. Before the drying shaft 8 is rotated, the closing plate 9 is driven to slide to open one end of the drying pipe 7 far away from the sleeve 3, so that the rotation of the fan blade 81 can generate air flow, when the moisture on the grounding rod 1 is taken away and the sleeve 3 is dried, the connecting part 61 is connected with the grounding rod 1, the knocking rod 4 is positioned at a first station,

and the sealing plate 9 is driven to slide and seal one end of the drying pipe 7 far away from the sleeve 3, because when the tapping rod 4 is positioned at the first station, the middle part of the connecting part 61 is slidably arranged in the grounding hole in a penetrating manner, at the moment, the middle part of the connecting part 61 blocks the grounding hole, and thus, the sleeve 3 is internally provided with a sealed space, and the probability that the grounding rod 1 is corroded is reduced.

In some embodiments, referring to fig. 2 and 7, the drying duct 7 is perpendicular to the sleeve 3 and the drying duct 7 is perpendicular to the sliding shaft 51, and the worksite grounding device further includes a stopper rod 110. The limiting rod 110 is of an L-shaped structure, the limiting rod 110 includes a parallel portion 111 parallel to the drying pipe 7 and a limiting portion 112 located at one end of the parallel portion 111, the other end of the parallel portion 111 is fixedly connected to the closing plate 9, the parallel portion 111 penetrates through the driving gap 541, the limiting portion 112 is located at one side of the parallel portion 111 away from the sleeve 3, and a positioning hole 1121 parallel to the sliding shaft 51 is disposed on a surface of the limiting portion 112 away from the sleeve 3. The surface of the driver 54 facing the parallel portion 111 is provided with a positioning shaft 542 parallel to the positioning hole 1121. When the sealing plate 9 seals one end of the drying tube 7 far away from the sleeve 3, the limiting portion 112 abuts against the side surface of the driving member 54 far away from the sealing plate 9, so that the sealing plate 9 can be limited to slide, and the sealing plate 9 keeps a state of sealing one end of the drying tube 7 far away from the sleeve 3; when the driving member 54 drives the sliding shaft 51 to slide in the direction away from the ground rod 1 until the positioning shaft 542 is located at the side of the limiting portion 112 away from the sleeve 3, the sliding of the sealing plate 9 in the direction away from the drying pipe 7 can align the positioning hole 1121 with the positioning shaft 542, and then the sliding shaft 51 can slide in the direction close to the ground rod 1, so that the driving member 54 is attached to the end surface of the limiting portion 112 away from the sleeve 3, and the positioning shaft 542 is inserted into the positioning hole 1121, at this time, the friction plate 52 is separated from the ground rod 1, so that the resistance when the rapping rod 4 slides can be reduced, because the drying pipe 7 is opened by the sealing plate 9 at this time, when the drying shaft 8 is rotated, the moisture at the abutting position of the ground rod 1 and the friction plate 52 can be blown away relatively easily, and thus the problem that the moisture at the abutting position is not blown away easily when the ground rod 1 abuts the friction plate 52 is avoided.

In some embodiments, referring to fig. 1, 4 and 6, the tapping rod 4 has a diameter smaller than that of the ground rod 1, the side surface of the connecting portion 61 has an annular groove 611 coaxial with the connecting portion 61, the annular groove 611 is located outside the sleeve 3, and the ground engaging device further includes the rotation member 120. The rotating part 120 is rotatably connected with the driving part 54, the rotating direction is perpendicular to the connecting part 61, the rotating part 120 is provided with an arc-shaped part 121, when the ground rod 1 is positioned at a first station, the end face of the ground rod 1 far away from the ground bit 6 is attached to the inner wall of the second end 32 of the sleeve 3, and at the moment, the arc-shaped part 121 can be inserted into or withdrawn from the annular groove 611 along with the sliding of the sliding shaft 51 and the rotation of the rotating part 120 by the driving part 54, so that the sliding of the ground rod 1 can be limited, the ground rod 1 is kept at the first station, and the ground rod 1 is prevented from being rusted after sliding out of the sleeve 3.

In this embodiment, when the device is to be used, the arc-shaped portion 121 is caused to exit the annular groove 611 by the sliding of the driving member 54 with the sliding shaft 51, and then the rotating member 120 is rotated so that it is rotated to an angle that does not interfere with the ground bar 1 being inserted into the ground.

The side wall of the striking rod 4 is provided with an abutting part 41 protruding outward in the radial direction of the striking rod 4, the abutting part 41 is located outside the sleeve 3, and when the ground rod 1 is in the second station, the abutting part 41 abuts against the end face of the second end 32 of the sleeve 3.

When the arc-shaped part 121 is inserted into the annular groove 611, a gap is formed between the arc-shaped part 121 and the bottom wall of the annular groove 611 to ensure that the friction plate 52 can press the ground rod 1.

In some embodiments, referring to fig. 2, the ground wire 2 penetrates the side wall of the tapping rod 4 and the penetration point is located outside the sleeve 3, so that the ground rod 1 can be inserted into the ground by tapping the end face of the tapping rod 4 away from the ground rod 1, which is labor-saving.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.