Assembly type grounding device for electric power operation and maintenance

By designing a prefabricated grounding device, using technical means such as fixed cone, limiting spring, gear assembly and bevel gear set, the problems of insufficient anchor strength and skew risks of grounding device are solved, and a more stable and safe grounding installation operation is achieved.

CN119726169AInactive Publication Date: 2025-03-28SHEQI COUNTY POWER SUPPLY CO OF STATE GRID HENAN ELECTRIC POWER CO
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Patent Information

Application Number
CN202411672770.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-03-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When the existing grounding device is used, the anchor strength of the grounding column is insufficient, which poses a hidden danger of deflection. During installation and transportation, due to the excessive weight, it is easy to deform, which affects the on-site grounding installation operation and causes safety hazards.

Method used

A prefabricated grounding device is designed, including a grounding plate, a grounding rod and a grounding head. The stability of the grounding rod and grounding head is improved by the fixed cone and limiting spring outside the first flange and the second flange, and the grounding screw is driven to rotate through the gear assembly and bevel gear set to enhance the anchoring effect.

Benefits of technology

It realizes more convenient disassembly, installation and transportation of the grounding device, improves the stability and anchoring strength of the grounding device, avoids deflection and deformation, and enhances safety.

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Abstract

The invention relates to the technical field of electric power operation and maintenance, in particular to an assembly type grounding device for electric power operation and maintenance, which comprises a grounding plate arranged at the top, a grounding rod arranged at the lower end of the grounding plate and a grounding head arranged at the lower end of the grounding rod, the grounding plate comprises a first flange plate arranged at the upper end, a second flange plate arranged at the lower end and connected with the grounding rod, and a grounding connecting sleeve arranged between the first flange plate and the second flange plate, a conductive sleeve is arranged in the grounding connecting sleeve, and the conductive sleeve is connected with a grounding wire arranged on the side face and a conductive rod arranged at the lower end; the conducting rod is arranged in the middle of the grounding rod and connected with the grounding plate, a grounding box is arranged at the upper end of the first flange plate, and a first motor and a winding assembly are arranged at the upper end of the grounding box in a left-right distribution mode. The assembly type grounding device has the advantages that the grounding part can be prevented from being exposed to cause touch and scratch, the safety is improved, the safety of the assembly type grounding device is guaranteed, and the safety of workers is better guaranteed.
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Description

Technical Field

[0001] The present invention relates to the technical field of electric power operation and maintenance, and in particular to an assembled grounding device for electric power operation and maintenance. Background Art

[0002] The main purpose of grounding equipment used in power grid operation and maintenance is to ensure the safety of power systems and operators. These devices include grounding wires, grounding rods, grounding resistance testers, etc. Their function is to ensure reliable grounding of the power grid during inspection, maintenance or emergency situations to prevent electric shock accidents. When conducting power operation and maintenance construction, it is necessary to use grounding wires and grounding rods buried in the ground to achieve grounding operations. When encountering dangers such as leakage, grounding wires and grounding rods can directly transfer high voltage to the underground, effectively ensuring the safety of construction workers and protecting the safe and stable operation of the power distribution network.

[0003] At present, the existing grounding device, as an important component in power operation and maintenance, still has its simple structure. Although it is easy to operate when inserted, the anchoring strength of the grounding column is insufficient during use, and there is a hidden danger of the grounding column being deflected; at the same time, during the actual installation and transportation process, the grounding device needs to be moved frequently, and due to its own heavy weight, it is often squeezed and deformed, affecting its on-site grounding installation operation, and thus causing safety hazards.

[0004] To this end, in response to the above problems, we propose an assembled grounding device for power operation and maintenance. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a rotating buckle for a test hook rod that improves the applicability and flexibility of the connector, has a simple structure and can be quickly connected and disassembled, improves work and layout efficiency, and solves the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an assembled grounding device for power operation and maintenance, which includes a grounding plate arranged at the top, a grounding rod arranged at the lower end of the grounding plate and a grounding head arranged at the lower end of the grounding rod, the grounding plate includes a first flange arranged at the upper end, a second flange arranged at the lower end and connected to the grounding rod, and a grounding connecting sleeve arranged between the first flange and the second flange, a conductive sleeve is arranged inside the grounding connecting sleeve, the conductive sleeve is connected to a grounding wire arranged on the side and a conductive rod arranged at the lower end, and the conductive rod is arranged in the middle of the grounding rod and is connected to the grounding plate.

[0007] Preferably, a grounding box is arranged at the upper end of the first flange, and a first motor and a winding assembly are arranged on the upper end of the grounding box in a left-right distribution.

[0008] Preferably, the first motor is transmission-connected to a gear assembly inside the grounding box, the gear assembly is composed of two meshing gears, the small gear of the gear assembly is connected to the first motor, and the large gear of the gear assembly is connected to a bevel gear set arranged inside the grounding connection sleeve.

[0009] Preferably, the winding assembly is provided with a second motor inside the grounding box, the upper end of the second motor is connected to a rotating shaft arranged inside the winding assembly, the rotating shaft is wound with a grounding wire inside the winding assembly, and the grounding wire is also connected to a grounding terminal at the upper end of the winding assembly.

[0010] Preferably, the outlets of the grounding wire at the upper and lower ends of the winding assembly are provided with winding guides, and the grounding wire at the lower end of the winding assembly is also provided with a rotating wheel inside the first flange and the grounding connecting sleeve, and a bearing is also provided between the first flange and the grounding connecting sleeve, and a fixing cone is also inserted into the outer side of the first flange and the grounding connecting sleeve, and a limiting spring is provided on the fixing cone between the first flange and the grounding connecting sleeve.

[0011] Preferably, the bevel gear set is composed of three bevel gears, the bevel gear at the upper end of the bevel gear set is connected to the gear assembly, the bevel gear at the lower end of the bevel gear set is connected to the conductive rod provided on the grounding rod, and a conductive hole is also provided in the middle of the bevel gear at the lower end of the bevel gear set.

[0012] Preferably, the grounding rod is provided with a grounding screw, a protective cover, a grounding sleeve and a conductive rod in sequence from the outside to the inside, a spiral sheet is provided on the outside of the grounding screw, the protective cover is provided on the grounding screw, the protective cover is provided on the outside of the conductive rod, the lower end of the conductive rod is connected to the grounding head, the lower end of the grounding rod is also provided with a connection interface, and a sealing interface is provided on the inner side of the connection interface.

[0013] Preferably, a connecting block is provided on the upper surface of the grounding head, a sealing block is provided on the connecting block, and a threaded sleeve is provided in the middle of the sealing block.

[0014] Preferably, the threaded sleeve is connected to a conductive rod arranged inside the grounding rod, the connecting block is arranged in the connecting interface, and the sealing block is arranged in the sealing interface.

[0015] Preferably, the lower end of the threaded sleeve is connected to a transfer protection component, the lower end of the transfer protection component is connected to a copper electrical connection cone, and a resistance reducing agent layer is arranged on the outer side of the copper electrical connection cone inside the grounding head.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention can realize more convenient disassembly, installation and transportation during actual installation and transportation through the assembled arrangement of the grounding plate, the grounding rod and the grounding head; at the same time, the grounding plate is arranged in the form of a first flange and a second flange distributed up and down, so that through the fixing cone and the limit spring arranged on the outside of the first flange and the second flange, the stability effect of the grounding rod and the grounding head can be improved when the grounding rod and the grounding head are anchored into the ground, and the first motor arranged on the upper end of the first flange drives the gear assembly to rotate through the rotation of the first motor, so that the gear assembly drives the grounding screw arranged on the outside of the grounding rod to rotate through the rotation of the bevel gear group, so that it passes through the spiral sheet arranged on the outside of the grounding screw, and under the action of the spiral sheet, the soil is unscrewed, so that the grounding rod descends, so that the grounding rod and the grounding head are easier to enter the soil; and the conductive sleeve arranged inside the grounding plate is connected through the conductive rod arranged inside the grounding rod, so that it is connected with the grounding head to realize conductivity, thereby effectively avoiding the grounding components from being exposed, causing scratches caused by touch, improving safety, and at the same time ensuring the safety of the assembled grounding device, so that the safety of workers is better guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the ground plate structure of the present invention; Figure 4 It is a schematic diagram of the structure of the grounding rod of the present invention; Figure 5 It is a schematic diagram of the structure of the grounding head of the present invention; Figure 6 It is a schematic diagram of the bottom structure of the grounding rod of the present invention; Figure 7 It is a schematic diagram of the bottom structure of the ground plate of the present invention; Figure 8 It is a schematic diagram of the structure of the winding assembly of the present invention; Fig. 9 It is a schematic diagram of the enlarged internal structure of the grounding head of the present invention.

[0018] Explanations in the figure: 1. Grounding plate; 2. Grounding rod; 3. Grounding head; 4. Grounding box; 5. First motor; 6. Winding assembly; 7. Fixed cone; 8. Limit spring; 9. First flange; 10. Grounding connection sleeve; 11. Second flange; 12. Second motor; 13. Rotating shaft; 14. Grounding wire; 15. Grounding terminal; 16. Rotating wheel; 17. Conductive sleeve; 18. Gear assembly; 19. Bearing; 20. Bevel gear set; 21. Grounding screw; 22. Spiral sheet; 23. Protective sleeve; 24. Grounding sleeve; 25. Conductive rod; 26. Threaded sleeve; 27. Transfer protection assembly; 28. Copper electric cone; 29. ​​Resistance reducing agent layer; 30. Connection block; 31. Winding guide; 32. Conductive hole; 33. Sealing block; 34. Connection interface; 35. Sealing interface. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0020] like Figure 1-2 As shown, this embodiment discloses an assembled grounding device for power operation and maintenance, which includes a grounding plate 1 arranged at the top, a grounding rod 2 arranged at the lower end of the grounding plate 1, and a grounding head 3 arranged at the lower end of the grounding rod 2. The grounding plate 1 includes a first flange 9 arranged at the upper end, a second flange 11 arranged at the lower end and connected to the grounding rod 2, and a grounding connection sleeve 10 arranged between the first flange 9 and the second flange 11. A conductive sleeve 17 is arranged inside the grounding connection sleeve 10, and the conductive sleeve 17 is connected to a grounding wire 14 arranged on the side and a conductive rod 25 arranged at the lower end. The conductive rod 25 is arranged in the middle of the grounding rod 2 and is connected to the grounding plate 1; Among them, a grounding box 4 is arranged at the upper end of the first flange 9, and a first motor 5 and a winding assembly 6 are arranged on the upper end of the grounding box 4 in a left-right distribution. The first motor 5 is connected to a gear assembly 18 in a transmission manner inside the grounding box 4. The gear assembly 18 is composed of two gears meshing. The small gear of the gear assembly 18 is connected to the first motor 5, and the large gear of the gear assembly 18 is connected to a bevel gear set 20 arranged inside the grounding connection sleeve 10. The winding assembly 6 is provided with a second motor 12 inside the grounding box 4, and the upper end of the second motor 12 is connected to a rotating shaft 13 arranged inside the winding assembly 6. The rotating shaft 13 is wound with a grounding wire 14 inside the winding assembly 6, and the grounding wire 14 is also connected to a grounding terminal 15 at the upper end of the winding assembly 6. The outlets of the grounding wires 14 at the upper and lower ends are both provided with winding guides 31, the grounding wire 14 at the lower end of the winding assembly 6 is also provided with a rotating wheel 16 distributed in the first flange 9 and the grounding connection sleeve 10, a bearing 19 is also provided between the first flange 9 and the grounding connection sleeve 10, a fixing cone 7 is also interspersed on the outside of the first flange 9 and the grounding connection sleeve 10, and a limiting spring 8 is provided on the fixing cone 7 between the first flange 9 and the grounding connection sleeve 10, the bevel gear set 20 is composed of three bevel gears, the bevel gear at the upper end of the bevel gear set 20 is connected to the gear assembly 18, the bevel gear at the lower end of the bevel gear set 20 is connected to the conductive rod 25 provided on the grounding rod 2, and a conductive hole 32 is also provided in the middle of the bevel gear at the lower end of the bevel gear set 20; At the same time, the grounding rod 2 is provided with a grounding screw 21, a protective cover 23, a grounding sleeve 24 and a conductive rod 25 in sequence from the outside to the inside. A spiral sheet 22 is provided on the outside of the grounding screw 21, and the protective cover 23 is provided on the outside of the conductive rod 25. The lower end of the conductive rod 25 is connected to the grounding head 3. A connecting interface 34 is also provided at the lower end of the grounding rod 2, and a sealing interface 35 is provided on the inner side of the connecting interface 34. A connecting block 30 is provided on the upper end surface of the grounding head 3, and a sealing block 33 is provided on the connecting block 30. A threaded sleeve 26 is provided in the middle of the sealing block 33.

[0021] In this embodiment, the grounding box 4 is provided on the upper end of the grounding plate 1, so that it can be connected to the power operation and maintenance facilities that need to be grounded through the winding assembly 6 provided on the grounding box 4, and can carry more grounding wires 14, thereby increasing the operating range of the grounding device and making it more convenient to use on site. At the same time, the fixed cone 7 and the limit spring 8 provided on the outer side of the grounding plate 1 can provide support when the grounding screw 21 on the outer side of the grounding rod 2 is driven to rotate by the first motor 5, so that it can stably complete the grounding installation operation, and at the same time can effectively solve the hidden danger of deviation of the grounding device, and can also improve the insufficient anchoring strength of the grounding device.

[0022] In this embodiment, the protective cover 23 and the grounding sleeve 24 provided on the inner side of the grounding rod 2 can prevent the internal conductive rod 25 from contacting the wet soil outside, thereby improving the life of the metal material, and the grounding head 3 provided at the lower end can increase the contact area, thereby achieving the purpose of enhancing the current conduction effect.

[0023] In this embodiment, the resistance reducing agent layer 29 is provided on the inner side of the grounding head 3, so that the copper connecting cone 28 is used between the grounding head 3 and the soil. On the one hand, it can be in close contact with the metal grounding body to form a sufficiently large current flow surface; on the other hand, it can penetrate into the surrounding soil, reduce the resistivity of the surrounding soil, and form a low-resistance area with a gentle change around the grounding body, thereby achieving the purpose of improving the conductive performance, and can also protect the copper connecting cone 28 from damage. Example

[0024] like Figure 1-9 As shown, this embodiment discloses an assembled grounding device for power operation and maintenance, which includes a grounding plate 1 arranged at the top, a grounding rod 2 arranged at the lower end of the grounding plate 1, and a grounding head 3 arranged at the lower end of the grounding rod 2. The grounding plate 1 includes a first flange 9 arranged at the upper end, a second flange 11 arranged at the lower end and connected to the grounding rod 2, and a grounding connecting sleeve 10 arranged between the first flange 9 and the second flange 11. A conductive sleeve 17 is arranged inside the grounding connecting sleeve 10. The conductive sleeve 17 is connected to a grounding wire 14 arranged on the side and a conductive rod 25 arranged at the lower end. The conductive rod 25 is arranged in the middle of the grounding rod 2 and is connected to the grounding plate 1.

[0025] In the present embodiment, specifically, a grounding box 4 is provided at the upper end of the first flange 9, and a first motor 5 and a winding assembly 6 are provided at the upper end of the grounding box 4 in a left-right distribution. The first motor 5 is connected to a gear assembly 18 in a transmission manner inside the grounding box 4. The gear assembly 18 is composed of two gears meshing. The small gear of the gear assembly 18 is connected to the first motor 5, and the large gear of the gear assembly 18 is connected to a bevel gear set 20 provided inside the grounding connection sleeve 10. The winding assembly 6 is provided with a second motor 12 inside the grounding box 4, and the upper end of the second motor 12 is connected to a rotating shaft 13 provided inside the winding assembly 6. The rotating shaft 13 is wound with a grounding wire 14 inside the winding assembly 6, and the grounding wire 14 is also connected to a grounding terminal 15 at the upper end of the winding assembly 6. The outlets of the grounding wire 14 at the upper and lower ends of the winding assembly 6 are both provided with winding guides 31, and the grounding wire 14 at the lower end of the winding assembly 6 is also distributed with a rotating wheel 16 in the first flange 9 and the grounding connection sleeve 10. A bearing 19 is also provided between the first flange 9 and the grounding connection sleeve 10, and a fixing cone 7 is also interspersed on the outer side of the first flange 9 and the grounding connection sleeve 10, and a limit spring 8 is provided on the fixing cone 7 between the first flange 9 and the grounding connection sleeve 10. The bevel gear set 20 is composed of three bevel gears, and the bevel gear at the upper end of the bevel gear set 20 is connected to the gear assembly 18, and the bevel gear at the lower end of the bevel gear set 20 is connected to the conductive rod 25 provided on the grounding rod 2, and a conductive hole 32 is also provided in the middle of the bevel gear at the lower end of the bevel gear set 20, which is conducive to supporting the whole, so that it can ensure its overall stability when the first motor 5 drives the grounding rod 2. At the same time, the winding assembly 6 is installed at the top of one side of the first flange 9, which can ensure the stability of the winding of the grounding wire 14 inside the winding assembly 6, and at the same time, the winding guide 31 can also protect the grounding wire 14 when it is wound, so that it is protected from damage, and it is easier for workers to operate; In this embodiment, specifically, the grounding rod 2 is provided with a grounding screw 21, a protective sleeve 23, a grounding sleeve 24 and a conductive rod 25 in sequence from the outside to the inside, a spiral sheet 22 is provided on the outside of the grounding screw 21, the protective sleeve 23 is provided on the grounding screw 21, the protective sleeve 23 is provided on the outside of the conductive rod 25, the lower end of the conductive rod 25 is connected to the grounding head 3, and the lower end of the grounding rod 2 is also provided with a connection interface 34, and a sealing interface 35 is provided inside the connection interface 34, which is conducive to connecting the upper end of the conductive rod 25 provided inside the grounding rod 2 with the conductive sleeve 17, and passing The conductive sleeve 17 is connected to the grounding wire 14 inside the winding assembly 6, and the lower end of the conductive rod 25 is connected to the grounding head 3. At the same time, the first motor 5 is rotated to drive the gear assembly 18 to rotate, so that the gear assembly 18 rotates through the bevel gear set 20 to drive the grounding screw 21 provided on the outside of the grounding rod 2 to rotate, so that it passes through the spiral piece 22 provided on the outside of the grounding screw 21, and under the action of the spiral piece 22, the soil is unscrewed, so that the grounding rod 2 is lowered, so that the grounding rod 2 and the grounding head 3 are easier to enter the soil, thereby completing the installation of the grounding device; In the present embodiment, specifically, a connecting block 30 is provided on the upper end surface of the grounding head 3, a sealing block 33 is provided on the connecting block 30, a threaded sleeve 26 is provided in the middle of the sealing block 33, the threaded sleeve 26 is connected to the conductive rod 25 arranged inside the grounding rod 2, the connecting block 30 is arranged in the connecting interface 34, the sealing block 33 is arranged in the sealing interface 35, the lower end of the threaded sleeve 26 is connected to the transfer protection component 27, the lower end of the transfer protection component 27 is connected to the copper electric cone 28, and the outer side of the copper electric cone 28 is provided with a resistance reducing agent layer 29 in the grounding head 3, which is conducive to using the copper electric cone 28 between the grounding head 3 and the soil through the resistance reducing agent layer 29 arranged on the inner side of the grounding head 3, so as to achieve the purpose of improving the conductive performance, and can also protect the copper electric cone 28 from damage, thereby improving its service life.

[0026] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An assembled grounding device for power operation and maintenance, comprising a grounding plate (1) arranged at the top, a grounding rod (2) arranged at the lower end of the grounding plate (1), and a grounding head (3) arranged at the lower end of the grounding rod (2), characterized in that: The grounding plate (1) comprises a first flange (9) arranged at the upper end, a second flange (11) arranged at the lower end and connected to the grounding rod (2), and a grounding connection sleeve (10) arranged between the first flange (9) and the second flange (11), wherein a conductive sleeve (17) is arranged inside the grounding connection sleeve (10), and the conductive sleeve (17) is connected to a grounding wire (14) arranged on the side and a conductive rod (25) arranged at the lower end, and the conductive rod (25) is arranged in the middle of the grounding rod (2) and connected to the grounding plate (1).

2. According to claim 1, an assembled grounding device for power operation and maintenance is characterized in that: A grounding box (4) is arranged at the upper end of the first flange (9), and a first motor (5) and a winding assembly (6) are arranged on the upper end of the grounding box (4) in a left-right distribution.

3. According to claim 2, an assembled grounding device for power operation and maintenance is characterized in that: The first motor (5) is connected to a gear assembly (18) in a transmission manner inside the grounding box (4); the gear assembly (18) is composed of two meshing gears; the small gear of the gear assembly (18) is connected to the first motor (5); and the large gear of the gear assembly (18) is connected to a bevel gear set (20) arranged inside the grounding connection sleeve (10).

4. According to claim 2, an assembled grounding device for power operation and maintenance is characterized in that: The winding assembly (6) is provided with a second motor (12) inside the grounding box (4); the upper end of the second motor (12) is connected to a rotating shaft (13) arranged inside the winding assembly (6); the rotating shaft (13) is provided with a grounding wire (14) wound around the inside of the winding assembly (6); the grounding wire (14) is also connected to a grounding terminal (15) at the upper end of the winding assembly (6).

5. According to claim 4, an assembled grounding device for power operation and maintenance is characterized in that: The outlets of the grounding wire (14) at the upper and lower ends of the winding assembly (6) are provided with winding guides (31); the grounding wire (14) at the lower end of the winding assembly (6) is also provided with a rotating wheel (16) distributed inside the first flange (9) and the grounding connection sleeve (10); a bearing (19) is also provided between the first flange (9) and the grounding connection sleeve (10); a fixing cone (7) is also inserted on the outer side of the first flange (9) and the grounding connection sleeve (10); and a limiting spring (8) is provided on the fixing cone (7) between the first flange (9) and the grounding connection sleeve (10).

6. According to claim 3, the assembled grounding device for power operation and maintenance is characterized in that: The bevel gear set (20) is composed of three bevel gears, the bevel gear at the upper end of the bevel gear set (20) is connected to the gear assembly (18), the bevel gear at the lower end of the bevel gear set (20) is connected to a conductive rod (25) provided on the grounding rod (2), and a conductive hole (32) is also provided in the middle of the bevel gear at the lower end of the bevel gear set (20).

7. According to claim 1, the assembled grounding device for power operation and maintenance is characterized in that: The grounding rod (2) is provided with a grounding screw (21), a protective sleeve (23), a grounding sleeve (24) and a conductive rod (25) in sequence from the outside to the inside; a spiral sheet (22) is provided on the outside of the grounding screw (21); the protective sleeve (23) is provided on the grounding screw (21); the protective sleeve (23) is provided on the outside of the conductive rod (25); the lower end of the conductive rod (25) is connected to the grounding head (3); the lower end of the grounding rod (2) is also provided with a connection interface (34); a sealing interface (35) is provided on the inner side of the connection interface (34).

8. According to claim 1, the assembled grounding device for power operation and maintenance is characterized in that: The upper end surface of the grounding head (3) is provided with a connecting block (30), a sealing block (33) is provided on the connecting block (30), and a threaded sleeve (26) is provided in the middle of the sealing block (33).

9. The assembled grounding device for power operation and maintenance according to claim 8, characterized in that: The threaded sleeve (26) is connected to a conductive rod (25) arranged inside the grounding rod (2), the connecting block (30) is arranged in the connecting interface (34), and the sealing block (33) is arranged in the sealing interface (35).

10. The assembled grounding device for power operation and maintenance according to claim 8, characterized in that: The lower end of the threaded sleeve (26) is connected to a transfer protection component (27), the lower end of the transfer protection component (27) is connected to a copper electric connection cone (28), and a resistance reducing agent layer (29) is arranged on the outside of the copper electric connection cone (28) inside the grounding head (3).

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