Power grid grounding device for power distribution of active state distribution grid

By designing a grid grounding device that contains tight, peeling, and splicing mechanisms, the problem of installation efficiency caused by the damage or forgetting of the tools in existing technologies has been solved, and the efficient installation of tools does not require tools and reduces hidden safety hazards.

CN119381792APending Publication Date: 2025-01-28HEILONGJIANG ELECTRIC POWER SCIENCE RESEARCH INSTITUTE +1
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Patent Information

Application Number
CN202411516735.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-01-28

AI Technical Summary

Technical Problem

If the tool is damaged or the tool is forgotten, it is difficult to install the grounding wire, resulting in a reduced installation efficiency.

Method used

A power grid grounding device including connecting pipes, fastening mechanisms, skin peeling agencies, and stitching mechanisms. The fastening mechanism is clipped to the ground line, the skinning mechanism is peeled off the insulating skin of the ground line, and the splicing mechanism installed the ground wire through a way without bolts.

Benefits of technology

The installation of the ground wire without the need for tools can be achieved, the installation efficiency is improved, the bolts are avoided, and the hidden safety hazards caused by the corrosion of the bolt are reduced.

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Abstract

The invention relates to the technical field of power grids, and discloses a power grid grounding device for power distribution of an active power distribution grid, which comprises a connecting pipe, one end of the connecting pipe is rotatably connected with a fastening mechanism, the fastening mechanism is used for clamping a grounding wire, one end of the fastening mechanism far away from a grounding grid plate is fixedly connected with a peeling mechanism, and the peeling mechanism is used for peeling the grounding wire. The stripping mechanism is used for stripping the skin of the grounding wire, a splicing mechanism is arranged on the side, away from the stripping mechanism, of the connecting pipe, a grounding hollow pipe is arranged in the splicing mechanism, the splicing mechanism is used for splicing the grounding hollow pipe, and a grounding net plate is fixedly connected to the end, away from the connecting pipe, of the grounding hollow pipe. According to the grounding device, the outer skin of the grounding wire is removed through the peeling mechanism, and the grounding wire is tightly installed on the grounding device through the fastening mechanism, so that the grounding wire can be installed without a tool, the tool does not need to be found again, time and labor are saved, and the installation efficiency of the grounding device is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of power grids, and in particular to a power grid grounding device for active power distribution in a national power grid. Background Art

[0002] Active distribution network refers to a distribution network that has a large number of distributed power sources and bidirectional power flow. It is a network for energy exchange and distribution, with power flow and fault current flowing in both directions. The power flow and fault analysis, voltage and reactive power control, relay protection methods, and operation management measures of traditional distribution networks are no longer applicable and need to be adjusted and improved accordingly. Active distribution networks can achieve the optimized operation of distribution networks and give full play to the role of distributed power sources.

[0003] The basic function of the power grid grounding device is to ensure the safe operation of the power system, prevent personal electric shock accidents, limit the damage to equipment caused by external shocks such as lightning strikes, and maintain the stable operation of the power system. The grounding device connects the metal parts of the electrical equipment to the earth to provide a common reference potential point, and provides a low-impedance path in the event of a fault so that the fault current can quickly flow to the earth, thereby triggering the action of the protection device.

[0004] The grid grounding device in the prior art mainly installs the grounding wire on the grounding device, and when installing the grounding wire, it is also necessary to manually use tools to install the grounding wire on the grounding device. However, if the tool is damaged or the relevant tools are forgotten to be brought, it is difficult to complete the installation of the grounding wire, which is time-consuming and labor-intensive, delays the installation of the grounding wire, and reduces the installation efficiency. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an active power grid grounding device for national power distribution, which solves the problem that the grounding device in the prior art is difficult to complete the installation of the grounding wire when the tool is damaged or the tool is forgotten to be brought, thereby reducing the installation efficiency.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an active power grid grounding device for national power distribution, comprising a connecting pipe, one end of the connecting pipe is rotatably connected to a fastening mechanism, the fastening mechanism is used to clamp the grounding wire, the end of the fastening mechanism away from the grounding grid is fixedly connected to a stripping mechanism, the stripping mechanism is used to strip the skin of the grounding wire, a splicing mechanism is provided on the side of the connecting pipe away from the stripping mechanism, a grounding hollow tube is provided inside the splicing mechanism, the splicing mechanism is used to splice the grounding hollow tube, the end of the grounding hollow tube away from the connecting pipe is fixedly connected to the grounding grid, and the grounding hollow tube is used to install the grounding grid.

[0007] Preferably, the fastening mechanism includes a rotating disk, the outside of which is fixedly connected to a plurality of driving frames, the inside of the driving frame is provided with a driving groove, the outside of the rotating disk is fixedly connected to a fixed shell, the inside of the fixed shell is rotatably connected to a rotating shaft, the outside of the rotating shaft is located inside the fixed shell and is provided with a torsion spring, the side of the rotating shaft away from the rotating disk is fixedly connected to a pawl, the side of the rotating disk away from the connecting pipe is rotatably connected to a rotating sleeve, the inside of the rotating sleeve is fixedly connected to a plurality of fixed sleeves, the inside of the fixed sleeve is slidably connected to a sliding rod, the side of the sliding rod close to the driving frame is fixedly connected to a driving cylinder, the outside of the rotating sleeve is fixedly connected to a toothed ring, and the driving cylinder is arranged inside the driving groove.

[0008] Preferably, the peeling mechanism includes a mounting ring sleeve, a side of the mounting ring sleeve close to the connecting pipe is fixedly connected to a side of the rotating sleeve away from the connecting pipe, the outside of the mounting ring sleeve is fixedly connected to two fixing boxes, the inside of the fixing box is slidably connected to a sliding limit block, the side of the sliding limit block close to the mounting ring sleeve is fixedly connected to a cutting knife, the top of the cutting knife is fixedly connected to a push plate, and a reset spring is fixedly connected between the top of the sliding limit block and the inner top of the fixed box.

[0009] Preferably, the splicing mechanism includes a fixed mounting ring, the inner side of the fixed mounting ring is fixedly connected to the side of the connecting tube away from the fastening mechanism, the outer side of the fixed mounting ring is rotatably connected to a rotating ring, the interior of the rotating ring is provided with two clamping grooves, the interior of the rotating ring is provided with a clamping hole on one side of the clamping groove, the interior of the connecting tube is fixedly connected with an energized hollow column, the side of the energized hollow column close to the grounding grid plate is fixedly connected with an energized spring, the side of the energized spring away from the connecting tube is fixedly connected with a tightening ring, the interior of the grounded hollow tube is fixedly connected with an energized grounding body, the exterior of the grounded hollow tube is fixedly connected with a clamping block, the interior of the clamping block is slidably connected to a limiting ring, the side of the limiting ring close to the grounding grid plate is fixedly connected with a clamping head, the interior of the clamping block is provided with a pushing spring, and the clamping groove is engaged with the clamping block.

[0010] Preferably, one end of the torsion spring is fixedly connected to the outside of the rotating shaft, and the other end of the torsion spring is fixedly connected to the inside of the fixed shell.

[0011] Preferably, a push handle is fixedly connected to the top of the push plate, and the bottom of the cutting knife passes through the outside of the mounting ring sleeve.

[0012] Preferably, one end of the push spring is fixedly connected to the inside of the clamping block, and the other end of the push spring is fixedly connected to the inside of the clamping head.

[0013] Preferably, the side of the energized grounding body away from the connecting pipe is fixedly connected to the side of the grounding grid plate close to the connecting pipe, and the clamp penetrates the side of the clamp block close to the grounding grid plate.

[0014] Preferably, a rotating handle is fixedly connected to a side of the outer portion of the rotating disk close to the grounding grid plate, and the abutting claw is engaged with the outer portion of the locking tooth ring.

[0015] Preferably, two skin-taking grooves are provided on the outer circumference of the connecting tube, and the clamping head is engaged with the clamping hole.

[0016] Working principle: When installing the grounding wire, first put the grounding wire into the installation ring sleeve. At this time, press the pressing handle at 90 degrees to the installation ring sleeve, so as to drive the pushing plate to move downward, and then drive the cutting knife to move downward, and then the cutting knife can move downward. At this time, the grounding wire still moves toward the inside of the connecting tube, and the insulating skin on the grounding wire will be broken. When the grounding wire with broken insulating skin slides into the inside of the connecting tube and moves to a position close to the splicing mechanism, the pressing handle vertical to the installation ring sleeve is released, so as to drive the sliding limit block to move upward under the action of the reset tension spring, and then the cutting knife can be pulled into the inside of the fixing box, and the pressing handle parallel to the installation ring sleeve is pressed downward again, so as to move the cutting knife toward the inside of the installation ring sleeve. When the cutting knife contacts the outer skin of the grounding wire, the fixing box is rotated and then the installation ring sleeve is driven to rotate, so that the outer skin of the grounding wire can be horizontally peeled off, and the peeled outer skin can be taken out from the skin removal groove at this time; When the cam is in the process of being moved, the cam is moved back and forth, and ... When installing the connecting pipe and the grounding hollow pipe, the tightening ring is placed inside the grounding hollow pipe and contacts the energized grounding body. At this time, the connecting pipe is moved toward the grounding hollow pipe. When the rotating ring moves to the block, the block is moved into the inside of the card slot and rotated. When the block is rotated to the position of the card hole, the card head can be pushed outward under the action of the pushing spring, so that the card head can be pushed into the inside of the card hole, thereby preventing the rotating ring from rotating accidentally. At this time, the installation of the connecting pipe and the grounding hollow pipe is completed and the tightening ring is tightly pressed against the energized grounding body under the action of the energized spring. When disconnection is required, the block is directly slid out of the inside of the card slot, thereby completing the separation of the connecting pipe and the grounding hollow pipe and completing the disconnection of the grounding wire.

[0017] The present invention provides an active power grid grounding device for national power distribution. It has the following beneficial effects: 1. The present invention removes the outer skin of the grounding wire through a stripping mechanism, and tightly installs the grounding wire on the grounding device through a fastening mechanism, thereby realizing the installation and use of the grounding device without tools. Therefore, the installation of the grounding wire can be completed without tools, and there is no need to look for tools again, which saves time and effort and improves the installation efficiency of the grounding device.

[0018] 2. The present invention realizes that the grounding wire can be installed on the grounding device without bolts through the cooperation of the fastening device and the splicing mechanism, thus avoiding the trouble of tightening the bolts and also avoiding the difficulty of installation or disassembly due to rust of the bolts, thus saving time and effort, improving the efficiency of installation and disassembly, and avoiding the safety hazards caused by rust of the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A perspective view of the present invention; Figure 2 It is a structural schematic diagram of the driving frame in the present invention; Figure 3 It is a structural schematic diagram of the claw in the present invention; Figure 4 It is a structural schematic diagram of the sliding rod in the present invention; Figure 5 It is a structural schematic diagram of the sliding limit block in the present invention; Figure 6 It is a structural schematic diagram of the tightening ring in the present invention; Figure 7 It is a structural schematic diagram of the card slot in the present invention; Figure 8 It is a structural schematic diagram of the energized grounding body in the present invention; Fig. 9 for Figure 8 Enlarged view of point A in the middle.

[0020] Among them, 1. connecting pipe; 2. fastening mechanism; 201. rotating disk; 202. driving frame; 203. driving groove; 204. fixed shell; 205. rotating shaft; 206. torsion spring; 207. claw; 208. rotating sleeve; 209. fixed sleeve; 210. sliding rod; 211. driving cylinder; 212. tooth ring; 213. rotating handle; 3. peeling mechanism; 301. mounting ring; 302. fixed box; 303. sliding limit block; 304. Cutting knife; 305, pushing plate; 306, reset spring; 307, pressing handle; 4, splicing mechanism; 401, fixed mounting ring; 402, rotating ring; 403, clamping groove; 404, clamping hole; 405, energized hollow column; 406, energized spring; 407, tightening ring; 408, energized grounding body; 409, clamping block; 410, limiting ring; 411, clamping head; 412, pushing spring; 5, grounded hollow tube; 6, grounding grid plate; 7, leather removal groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0022] Please refer to the attached Figure 1 -Attached Fig. 9 An embodiment of the present invention provides an active power grid grounding device for national power distribution, including a connecting pipe 1, one end of which is rotatably connected to a fastening mechanism 2, the fastening mechanism 2 is used to clamp the grounding wire, the end of the fastening mechanism 2 away from the grounding grid plate 6 is fixedly connected to a stripping mechanism 3, the stripping mechanism 3 is used to strip the skin of the grounding wire, a splicing mechanism 4 is provided on the side of the connecting pipe 1 away from the stripping mechanism 3, a grounding hollow pipe 5 is provided inside the splicing mechanism 4, the splicing mechanism 4 is used to splice the grounding hollow pipe 5, the end of the grounding hollow pipe 5 away from the connecting pipe 1 is fixedly connected to the grounding grid plate 6, and the grounding hollow pipe 5 is used to install the grounding grid plate 6.

[0023] The fastening mechanism 2 includes a rotating disk 201, which can provide an installation position. The outside of the rotating disk 201 is fixedly connected to a plurality of driving frames 202, and the driving frames 202 are provided with driving grooves 203. The outside of the rotating disk 201 is fixedly connected to a fixed shell 204, and the fixed shell 204 provides a connection and installation position. The inside of the fixed shell 204 is rotatably connected to a rotating shaft 205, and the outside of the rotating shaft 205 is located inside the fixed shell 204 and is sleeved with a torsion spring 206. The side of the rotating shaft 205 away from the rotating disk 201 is fixedly connected to a claw 207, and the rotating shaft 205 can install and drive the claw 207. The side of the rotating disk 201 away from the connecting pipe 1 is rotatably connected to a rotating sleeve 208, and the rotating sleeve 208 can provide an installation position. The rotating sleeve 208 is installed in a fixed position, and a plurality of fixed sleeves 209 are fixedly connected inside the rotating sleeve 208, and the fixed sleeve 209 can provide a sliding channel. The fixed sleeve 209 is slidably connected inside the sliding rod 210, and the sliding rod 210 can squeeze and install the grounding wire. The sliding rod 210 is fixedly connected to a driving cylinder 211 on one side close to the driving frame 202, and the driving cylinder 211 can move under the drive of the driving frame 202. The rotating sleeve 208 is fixedly connected to a toothed ring 212 outside, and the toothed ring 212 can cooperate with the claw 207 to realize the unidirectional rotation of the rotating sleeve 208. The driving cylinder 211 is arranged inside the driving groove 203, and one end of the torsion spring 206 is fixedly connected to the outside of the rotating shaft 205, and the other end of the torsion spring 206 is fixedly connected to The outer side of the rotating disk 201 is fixedly connected with a rotating handle 213 near the grounding grid plate 6, and the pawl 207 is engaged with the outer side of the toothed ring 212. The peeled grounding wire continues to move toward the grounding grid plate 6 so that the peeled grounding wire moves and contacts the inside of the splicing mechanism 4. Then, the peeling mechanism 3 is held so that the peeling mechanism 3 cannot rotate. Then, the rotating handle 213 is rotated, and then the driving frame 202 is driven to rotate. After the driving frame 202 rotates, the driving cylinder 211 is forced to move from the outer edge to the middle in the driving groove 203, and then the sliding rod 210 is driven to move toward the middle, so that the sliding rod 210 is away from the side of the driving cylinder 211 and abuts against the grounding wire. The outside of the gear ring 212 is an inclined surface, and when the rotating handle 213 rotates, the inclined surface of the teeth on the gear ring 212 rotates along the pawl 207. Therefore, when the teeth on the gear ring 212 pass the pawl 207, the pawl 207 will be pushed up due to the inclined surface, thereby driving the rotating shaft 205 to rotate. When the pawl 207 moves into the gap on the teeth of the gear ring 212, the rotating shaft 205 is driven to rotate under the action of the torsion spring 206, thereby driving the pawl 207 to rotate, so that the pawl 207 is stuck on the vertical surface of the teeth of the gear ring 212, so that the gear ring 212 can only rotate in one direction, so the sliding rod 210 will be against the grounding wire and will not loosen, completing the installation of the grounding wire.

[0024] The peeling mechanism 3 includes an installation ring sleeve 301, which provides an installation position. The side of the installation ring sleeve 301 close to the connecting pipe 1 is fixedly connected to the side of the rotating sleeve 208 away from the connecting pipe 1. The outside of the installation ring sleeve 301 is fixedly connected to two fixing boxes 302, and the fixing boxes 302 provide installation space. The inside of the fixing box 302 is slidably connected to a sliding limit block 303. The side of the sliding limit block 303 close to the installation ring sleeve 301 is fixedly connected to a cutting knife 304. The cutting knife 304 can peel off the outer skin of the grounding wire. The top of the cutting knife 304 is fixedly connected with a pushing plate 305, which plays a role of connection and driving. A reset spring 306 is fixedly connected between the top of the sliding limit block 303 and the inner top of the fixed box 302. The reset spring 306 can make the sliding limit block 303 automatically reset. The top of the pushing plate 305 is fixedly connected with a pressing handle 307. The bottom of the cutting knife 304 passes through the outside of the installation ring sleeve 301. When installing the grounding wire, first put the grounding wire into the inside of the installation ring sleeve 301. At this time, it will be connected with the installation ring sleeve 301. The mounting ring sleeve 301 is pressed downwardly by the 90-degree push handle 307, thereby driving the push plate 305 to move downwardly, and then driving the cutting knife 304 to move downwardly, and then the cutting knife 304 can move downwardly, and at this time, the grounding wire still moves toward the inside of the connecting tube 1, and the insulation skin on the grounding wire is broken. When the grounding wire with the broken insulation skin slides into the inside of the connecting tube 1 and moves to a position close to the splicing mechanism 4, the push handle 307 vertical to the mounting ring sleeve 301 is released to reset. The tension spring 306 drives the sliding limit block 303 to move upward, and then the cutting knife 304 can be pulled into the interior of the fixing box 302, and the pressing handle 307 parallel to the mounting ring sleeve 301 is pressed downward again to move the cutting knife 304 toward the inner side of the mounting ring sleeve 301. When the cutting knife 304 contacts the outer skin of the grounding wire, the fixing box 302 is rotated to drive the mounting ring sleeve 301 to rotate, so that the outer skin of the grounding wire can be peeled off horizontally, and the peeled outer skin can be taken out from the skin removal groove 7 at this time.

[0025] The splicing mechanism 4 includes a fixed mounting ring 401, which can provide an installation position. The inner side of the fixed mounting ring 401 is fixedly connected to the side of the connecting pipe 1 away from the fastening mechanism 2. The outer side of the fixed mounting ring 401 is rotatably connected to a rotating ring 402, which plays a role of splicing. The interior of the rotating ring 402 is provided with two card slots 403, and the interior of the rotating ring 402 is provided with a card hole 404 on one side of the card slot 403. The interior of the connecting pipe 1 is fixedly connected with an energized hollow column 405, which can be energized. The energized hollow column 405 is fixedly connected to a side of the energized hollow column 405 close to the grounding grid plate 6 with an energized spring 406, which is far away from the grounding grid plate 6. A tightening ring 407 is fixedly connected to one side of the connecting pipe 1, and the energized spring 406 can be energized, so that the tightening ring 407 can be tightly pressed against the energized grounding body 408. The inside of the grounding hollow pipe 5 is fixedly connected to the energized grounding body 408, and the outside of the grounding hollow pipe 5 is fixedly connected to a clamping block 409, which can be engaged with the clamping groove 403, so that the connecting pipe 1 can be installed on the grounding hollow pipe 5. The inside of the clamping block 409 is slidably connected to a limit ring 410, and the side of the limit ring 410 close to the grounding grid plate 6 is fixedly connected to a clamping head 411, and the inside of the clamping block 409 is provided with a pushing spring 412, and the clamping groove 403 is engaged with the clamping block 409, pushing One end of the spring 412 is fixedly connected to the inside of the block 409, and the other end of the push spring 412 is fixedly connected to the inside of the clamp 411. The side of the energized grounding body 408 away from the connecting pipe 1 is fixedly connected to the side of the grounding grid plate 6 close to the connecting pipe 1. The clamp 411 penetrates the side of the block 409 close to the grounding grid plate 6. Two skin removal grooves 7 are provided on the outer periphery of the connecting pipe 1. The clamp 411 is engaged with the clamp hole 404. When installing the connecting pipe 1 and the grounding hollow pipe 5, the tightening ring 407 is placed into the inside of the grounding hollow pipe 5 and contacts the energized grounding body 408. At this time, the connecting pipe 1 is moved in the direction of the grounding hollow pipe 5. When the rotating ring 402 moves to the block When the clamping block 409 is at 409, it is moved into the interior of the clamping slot 403 and rotated. When the clamping block 409 is rotated to the position of the clamping hole 404, the clamping head 411 can be pushed outward under the action of the pushing spring 412, so that the clamping head 411 can be pushed into the interior of the clamping hole 404, and then the rotating ring 402 can be prevented from rotating accidentally. At this time, the installation of the connecting pipe 1 and the grounding hollow pipe 5 is completed and the tightening ring 407 is tightly pressed against the energized grounding body 408 under the action of the energized spring 406. When it needs to be disconnected, the clamping block 409 is directly slid out of the interior of the clamping slot 403, and then the connecting pipe 1 and the grounding hollow pipe 5 can be separated and the grounding wire can be disconnected.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An active power grid grounding device for national power distribution, comprising a connecting pipe (1), characterized in that: One end of the connecting pipe (1) is rotatably connected to a fastening mechanism (2), the fastening mechanism (2) being used to clamp the grounding wire; one end of the fastening mechanism (2) away from the grounding grid plate (6) is fixedly connected to a stripping mechanism (3), the stripping mechanism (3) being used to strip the skin of the grounding wire; a splicing mechanism (4) is provided on a side of the connecting pipe (1) away from the stripping mechanism (3); a grounding hollow pipe (5) is provided inside the splicing mechanism (4), the splicing mechanism (4) being used to splice the grounding hollow pipe (5); one end of the grounding hollow pipe (5) away from the connecting pipe (1) is fixedly connected to the grounding grid plate (6), the grounding hollow pipe (5) being used to install the grounding grid plate (6).

2. The active power grid grounding device for national power distribution according to claim 1 is characterized in that: The fastening mechanism (2) comprises a rotating disk (201), the rotating disk (201) is fixedly connected to a plurality of driving frames (202) on the outside, the driving frames (202) are provided with driving grooves (203) on the inside, the rotating disk (201) is fixedly connected to a fixed shell (204) on the outside, the fixed shell (204) is rotatably connected to a rotating shaft (205) on the inside, the rotating shaft (205) is externally located inside the fixed shell (204) and is sleeved with a torsion spring (206), and the rotating shaft (205) is fixedly connected to a side away from the rotating disk (201). A claw (207) is provided, and a rotating sleeve (208) is rotatably connected to the side of the rotating disk (201) away from the connecting pipe (1); a plurality of fixed sleeves (209) are fixedly connected inside the rotating sleeve (208); a sliding rod (210) is slidably connected inside the fixed sleeve (209); a driving cylinder (211) is fixedly connected to the side of the sliding rod (210) close to the driving frame (202); a toothed ring (212) is fixedly connected to the outside of the rotating sleeve (208); and the driving cylinder (211) is arranged inside the driving groove (203).

3. The active power grid grounding device for national power distribution according to claim 1 is characterized in that: The peeling mechanism (3) comprises a mounting ring sleeve (301), wherein a side of the mounting ring sleeve (301) close to the connecting tube (1) is fixedly connected to a side of the rotating sleeve (208) away from the connecting tube (1), the outside of the mounting ring sleeve (301) is fixedly connected to two fixing boxes (302), the inside of the fixing box (302) is slidably connected to a sliding limit block (303), a side of the sliding limit block (303) close to the mounting ring sleeve (301) is fixedly connected to a cutting knife (304), the top of the cutting knife (304) is fixedly connected to a pushing plate (305), and a reset tension spring (306) is fixedly connected between the top of the sliding limit block (303) and the top of the inside of the fixing box (302).

4. The active power grid grounding device for national power distribution according to claim 1, characterized in that: The splicing mechanism (4) comprises a fixed mounting ring (401), the inner side of the fixed mounting ring (401) is fixedly connected to a side of the connecting tube (1) away from the fastening mechanism (2), the outer side of the fixed mounting ring (401) is rotatably connected to a rotating ring (402), the interior of the rotating ring (402) is provided with two clamping grooves (403), the interior of the rotating ring (402) is provided with a clamping hole (404) located on one side of the clamping grooves (403), the interior of the connecting tube (1) is fixedly connected to an energized hollow column (405), and the side of the energized hollow column (405) close to the grounding grid plate (6) is fixedly connected to the grounding grid plate (6). A power-on spring (406) is connected, and a tightening ring (407) is fixedly connected to the side of the power-on spring (406) away from the connecting tube (1); a power-on grounding body (408) is fixedly connected to the inside of the grounding hollow tube (5); a clamping block (409) is fixedly connected to the outside of the grounding hollow tube (5); a limit ring (410) is slidably connected to the inside of the clamping block (409); a clamping head (411) is fixedly connected to the side of the limit ring (410) close to the grounding mesh plate (6); a pushing spring (412) is arranged inside the clamping block (409); and the clamping groove (403) is engaged with the clamping block (409).

5. The active power grid grounding device for national power distribution according to claim 2, characterized in that: One end of the torsion spring (206) is fixedly connected to the outside of the rotating shaft (205), and the other end of the torsion spring (206) is fixedly connected to the inside of the fixed shell (204).

6. The active power grid grounding device for national power distribution according to claim 3 is characterized in that: A push handle (307) is fixedly connected to the top of the push plate (305), and the bottom of the cutting knife (304) passes through the outside of the mounting ring sleeve (301).

7. The active power grid grounding device for national power distribution according to claim 4, characterized in that: One end of the push spring (412) is fixedly connected to the interior of the clamping block (409), and the other end of the push spring (412) is fixedly connected to the interior of the clamping head (411).

8. The active power grid grounding device for national power distribution according to claim 4, characterized in that: The side of the energized grounding body (408) away from the connecting pipe (1) is fixedly connected to the side of the grounding grid plate (6) close to the connecting pipe (1), and the clamping head (411) passes through the side of the clamping block (409) close to the grounding grid plate (6).

9. The active power grid grounding device for national power distribution according to claim 2, characterized in that: A rotating handle (213) is fixedly connected to one side of the outside of the rotating disk (201) close to the grounding grid plate (6), and the abutting claw (207) is engaged with the outside of the locking tooth ring (212).

10. The active power grid grounding device for national power distribution according to claim 4, characterized in that: Two skin removal grooves (7) are provided on the outer circumference of the connecting tube (1), and the clamping head (411) is engaged with the clamping hole (404).