Lightning protection grounding pole for power equipment

Abstract

The utility model provides a lightning-protection grounding pole for power equipment, which comprises a threaded column head and a protection mechanism, the cross-shaped groove at the bottom of the column rod is convenient for replacing column heads with different lengths to meet the requirements of different lightning-protection areas, and the anchor hole enables the grounding pole to be further inserted downwards for fixation to facilitate later replacement, installation, pulling out and disassembly. Meanwhile, damage caused by rotation pull-out by irrelevant personnel is avoided, the grounding pole is further fixed through the fixing flat iron, grounding open circuit caused by rotation falling is avoided, the grounding area of the grounding pole is further increased, the lightning protection performance is improved, the branch lantern ring facilitates good and convenient down lead connection of the main body pole all the time, and the service life of the main body pole is prolonged. The protection shell fixes internal parts, prevents the internal parts from being damaged and plays a role in preventing rain and water, after the down lead and the conductive wire column are connected and fixed, the ground wire hole seat is installed on the outer side of the protection shell in a sleeving mode, the wire clamp is sleeved with the clamping ring, the down lead is clamped and fixed, protection of the connecting wire end is completed, and the overall grounding structure is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of lightning protection grounding rods, in particular to a lightning protection grounding column for electric power equipment. Background Art

[0002] Existing lightning arresters generally use a grounding pin as a grounding device. When in use, the grounding pin is connected to the lightning arrester through a wire, and then the grounding pin is directly inserted into the ground.

[0003] According to the search announcement number: CN219626903U, a lightning protection grounding mechanism with an anti-loosening structure includes a grounding pin, which includes a grounding rod, a plug and a handle, and the upper outer surface of the grounding rod and the middle part of the lower outer surface of the handle are welded, the lower outer surface of the grounding rod is fixedly mounted with a plug, and the upper part of the outer surface of one side of the grounding rod is fixedly mounted with a conductor connection limiter, and the conductor connection limiter includes an ear plate, a bolt, a sheet metal conductor, a connecting ring, a limit hole, a nut and an anti-loosening structure. The lightning protection grounding mechanism with an anti-loosening structure described in the utility model is convenient for limiting the nut by providing an anti-loosening structure, thereby preventing the nut and the bolt from loosening and falling off, and increasing stability. The provided clamping assembly makes the anti-loosening structure easy to assemble, and the anti-loosening structure is easy to install on the outer walls of the two groups of bolts.

[0004] However, the following problems exist when implementing the above technical solution: the above technical solution uses a simple grounding pin inserted into the ground, which has no good reinforcement structure, cannot prevent the grounding body from rotating and falling off, cannot prevent unrelated personnel from rotating and pulling it out, does not have a good and convenient down conductor connection to facilitate the later replacement of the grounding nail, does not have a certain waterproof effect, the wire end connection of the down conductor is not firm enough, cannot avoid pulling and causing the grounding line to be broken, and does not have a certain safety. Utility Model Content

[0005] The purpose of the utility model is to provide a lightning protection grounding pole for electric power equipment to solve the problems in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightning protection grounding column for electrical equipment, comprising a threaded column head and a protective mechanism, a main column rod is provided on the top of the threaded column head, an anchor hole is provided on the top of the main column rod, a protective mechanism is provided on the outside of the main column rod, a fixed base is provided on the outside of the bottom of the main column rod, a fixed flat iron is provided inside the edge of the fixed base, a bracket is provided on the top of the fixed base, a branch ring is provided on the inner center of the bracket, a fixed hole plate is provided on the top of the bracket, a conductive wire column is provided on the outside of the top of the fixed hole plate, and a protective shell is provided on the top of the conductive wire column.

[0007] Preferably, the protective mechanism includes a fixed base, a fixed flat iron, a bracket, a branch ring fixed hole plate, a conductive wire column, a protective shell, a ground wire hole seat, a wire clamp and a clamping ring. A ground wire hole seat is provided on the outside of the protective shell, a wire clamp is provided on the outside of the protective shell, and a clamping ring is provided on the outside of the wire clamp.

[0008] Preferably, the threaded column head and the main column rod are connected by a slot, multiple groups of trapezoidal threads are provided at the bottom of the threaded column head, a cross protrusion is provided at the top of the threaded column head, a cross groove is provided at the bottom of the main column rod, and the main column rod and the anchor hole are fixedly connected.

[0009] Preferably, a circular hole is provided in the center of the fixed base, the main column passes through the fixed base, four groups of slots are provided on the edge of the fixed base, the fixed flat iron and the fixed base are sleeved, and four groups of fixed flat irons are provided, and the fixed flat irons fit tightly with the slots of the fixed base and correspond one to one.

[0010] Preferably, the fixed base and the bracket are connected by a card slot, the main column and the branch ring are sleeved, the diameter of the main column matches the inner diameter of the branch ring, the branch ring and the fixed orifice plate are connected by a card slot, and the branch ring matches the size of the fixed orifice plate.

[0011] Preferably, the conductive wire column and the branch ring are connected by threads, the protective shell and the fixed hole plate are connected by slots, the protective shell and the fixed hole plate are matched in size, and four groups of square holes are opened on the outside of the protective shell.

[0012] Preferably, the protective shell is sleeved with the ground wire hole seat, and there are four groups of ground wire hole seats. The wire clamp is sleeved with the ground wire hole seat through a clamping ring, and there are eight groups of wire clamps. The clamping ring corresponds to the ground wire hole seat one by one, and the outer diameter of the wire clamp matches the inner diameter of the clamping ring.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The cross groove at the bottom of the main column is convenient for replacing threaded studs of different lengths to meet the ohm standard requirements of the lightning protection area of different equipment. After the threaded stud is inserted into the ground, the power personnel use an iron rod to pass through the anchor hole to rotate the anchor hole, so that the grounding column is further inserted downward and fixed, which is convenient for later replacement, installation, removal and disassembly, and avoids damage caused by rotation and pulling out by unrelated personnel. The fixed base and the fixed flat iron are made of an alloy material with good conductivity. The fixed flat iron further fixes the grounding column to avoid rotation and falling off to cause grounding circuit breaker, and further improve the grounding column. The grounding area is large, which improves the lightning protection performance. The branch ring electrically connects the main column with the down conductor. After the main column is installed and removed and replaced, the main column always has a good and convenient down conductor connection. The protective shell fixes the internal parts to avoid damage from the external environment. At the same time, it has a rainproof and waterproof effect. After the down conductor is connected and fixed to the conductive column, the ground wire hole seat is installed on the outside of the protective shell. Use a clamp to cover the outside of the two sets of wire clamps to clamp the down conductor and complete the protection of the connection wire end. Reliable, so that the overall grounding structure is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the side appearance structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the utility model from a top view;

[0018] Figure 4 This is a schematic diagram of the overall internal appearance structure of the utility model.

[0019] Numbers in the figure: 1. Threaded column head; 2. Main column; 3. Anchor hole; 4. Protective mechanism; 401. Fixed base; 402. Fixed flat iron; 403. Bracket; 404. Branch collar; 405. Fixed hole plate; 406. Conductive wire column; 407. Protective shell; 408. Ground wire hole seat; 409. Wire clamp; 410. Snap ring. DETAILED DESCRIPTION

[0020] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4The utility model provides a technical solution: a lightning protection grounding column for electric power equipment, comprising a threaded column head 1 and a protective mechanism 4, a main column rod 2 is provided on the top of the threaded column head 1, an anchor hole 3 is provided on the top of the main column rod 2, a protective mechanism 4 is provided on the outside of the main column rod 2, a fixed base 401 is provided on the outside of the bottom of the main column rod 2, a fixed flat iron 402 is provided inside the edge of the fixed base 401, a bracket 403 is provided on the top of the fixed base 401, a branch ring 404 is provided on the inner center of the bracket 403, a fixed hole plate 405 is provided on the top of the bracket 403, a conductive wire column 406 is provided on the outside of the top of the fixed hole plate 405, and a protective shell 407 is provided on the top of the conductive wire column 406.

[0022] Furthermore, the protective mechanism 4 includes a fixed base 401, a fixed flat iron 402, a bracket 403, a branch ring 404, a fixed hole plate 405, a conductive wire column 406, a protective shell 407, a ground wire hole seat 408, a wire clamp 409 and a snap ring 410. A ground wire hole seat 408 is provided on the outside of the protective shell 407, a wire clamp 409 is provided on the outside of the protective shell 407, and a snap ring 410 is provided on the outside of the wire clamp 409. After the down conductor is connected and fixed to the conductive wire column 406, the ground wire hole seat 408 is installed on the outside of the protective shell 407, and the snap ring 410 is used to be put on the outside of the two sets of wire clamps 409 to clamp the down conductor and fix it, thereby completing the reliable protection of the connecting wire end and making the overall grounding structure stable.

[0023] Furthermore, the threaded column head 1 and the main column rod 2 are connected by a card slot, and multiple groups of trapezoidal threads are provided at the bottom of the threaded column head 1, a cross protrusion is provided at the top of the threaded column head 1, and a cross groove is provided at the bottom of the main column rod 2. The main column rod 2 and the anchor hole 3 are fixedly connected. The trapezoidal thread provided at the bottom of the threaded column head 1 makes the grounding column more stable after being inserted into the ground and not easy to be pulled out and fall off. The cross groove at the bottom of the main column rod 2 facilitates the replacement of threaded columns 1 of different lengths to meet the ohm standard requirements of the lightning protection area of different equipment. After the threaded column head 1 is inserted into the ground, the power personnel use an iron rod to pass through the anchor hole 3 to rotate the anchor hole 3, so that the grounding column is further inserted downward and fixed.

[0024] Furthermore, a circular hole is provided in the center of the fixed base 401, the main column 2 passes through the fixed base 401, four groups of slots are provided on the edge of the fixed base 401, the fixed flat iron 402 and the fixed base 401 are sleeved, and four groups of fixed flat irons 402 are provided. The fixed flat irons 402 fit tightly with the slots of the fixed base 401 and correspond one to one. The fixed base 401 and the fixed flat irons 402 are made of an alloy material with good conductivity. The grounding column is further fixed by fixing the flat iron 402 to avoid rotation and falling off to cause a grounding circuit breaker. At the same time, the grounding area of the grounding column is further increased, thereby improving the lightning protection performance.

[0025] Furthermore, the fixed base 401 and the bracket 403 are connected by a card slot, the main column 2 and the branch collar 404 are sleeved, the diameter of the main column 2 matches the inner diameter of the branch collar 404, the branch collar 404 and the fixed hole plate 405 are connected by a card slot, the branch collar 404 matches the size of the fixed hole plate 405, and the branch collar 404 electrically connects the main column 2 with the down conductor. After the main column 2 is installed and disassembled and replaced in the ground, it is convenient for the main column 2 to always have a good and convenient down conductor connection. The fixed hole plate 405 fixes the four groups of connection ends of the branch collar 404 to avoid the branch collar 404 and the connecting line from being pulled and broken.

[0026] Furthermore, the conductive wire column 406 and the branch ring 404 are connected by threads, and the protective shell 407 and the fixed hole plate 405 are connected by a slot. The protective shell 407 and the fixed hole plate 405 match in size. Four groups of square holes are opened on the outside of the protective shell 407. The grounded down conductor wraps the wire end around the outside of the conductive wire column 406 to complete the conductive path. The conductive wire column 406 is rotated downward to clamp the conductive wire column 406 and the wire end of the down conductor to complete the fixation. The protective shell 407 fixes the internal parts to avoid damage from the external environment, and at the same time has a rainproof and waterproof effect.

[0027] Furthermore, the protective shell 407 and the ground wire hole seat 408 are socketed, and there are four groups of ground wire hole seats 408. The wire clamps 409 are socketed with the ground wire hole seats 408 through the clamping rings 410. There are eight groups of wire clamps 409, and the clamping rings 410 correspond one to one with the ground wire hole seats 408. The outer diameter of the wire clamps 409 matches the inner diameter of the clamping rings 410. After the down conductor is connected and fixed to the conductive wire column 406, the ground wire hole seat 408 is socketed and installed on the outside of the protective shell 407. The clamping ring 410 is used to sleeve on the outside of the two groups of wire clamps 409 to clamp and fix the down conductor, thereby completing the reliable protection of the connecting wire end and making the overall grounding structure stable.

[0028] Working principle: The power personnel first put the clamp ring 410 on the end of the down conductor, select the threaded stud 1 of the corresponding required length, connect the threaded stud 1 to the main column 2 through the cross slot, insert the main column 2 into the ground, and use the iron rod to pass through the anchor hole 3 to rotate the anchor hole 3 to further insert the grounding column downward and fix it. The trapezoidal thread set at the bottom of the threaded stud 1 makes the grounding column more stable after being inserted into the ground and not easy to be pulled out and fall off. The cross groove at the bottom of the main column 2 is convenient for replacing threaded studs 1 of different lengths to cope with different The ohm standard requirement of the lightning protection area of the equipment is to place the fixed base 401 through the main column 2 on the ground, and the four sets of fixed flat irons 402 are inserted into the ground through the slots of the fixed base 401 to further fix the grounding column. The fixed base 401 and the fixed flat iron 402 are made of an alloy material with good conductivity to avoid rotation and falling off to cause grounding circuit breaker. At the same time, the grounding area of the grounding column is further increased to improve the lightning protection performance. Then the branch ring 404 is put on the outside of the main column 2. The branch ring 404 electrically connects the main column 2 with the down conductor. After the main column 2 is installed and disassembled and replaced, it is convenient for the main column 2 to always have a good and convenient down conductor connection. The fixed hole plate 405 fixes the four groups of connection ends of the branch ring 404 to prevent the branch ring 404 from being pulled and disconnected from the connection line. Finally, the end of the down conductor is wrapped around the conductive wire column 406 to complete the conductive path. The conductive wire column 406 is rotated downward to clamp the conductive wire column 406 and the end of the down conductor to complete the fixation. The protective shell 407 fixes the internal parts to prevent damage from the external environment. It has the effect of rainproof and waterproof. After the down conductor is connected and fixed to the conductive wire column 406, the ground wire hole seat 408 is installed on the outside of the protective shell 407, and the clamping ring 410 is used to be sleeved on the outside of the two sets of wire clamps 409 to clamp the down conductor and fix it, thereby completing the reliable protection of the connecting wire end and making the overall grounding structure stable. After a lightning strike occurs, the down conductor transmits the lightning current through the fixed conductive wire column 406 to the branch collar 404, and then enters the main column 2 to spread to the connected ground, thus completing the use process of a lightning protection grounding column for power equipment.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lightning protection grounding column for electric power equipment, comprising a threaded column head (1) and a protection mechanism (4), characterized in that: A main column (2) is provided on the top of the threaded column head (1), an anchor hole (3) is provided on the top of the main column (2), a protective mechanism (4) is provided on the outside of the main column (2), a fixed base (401) is provided on the outside of the bottom of the main column (2), a fixed flat iron (402) is provided inside the edge of the fixed base (401), a bracket (403) is provided on the top of the fixed base (401), a branch ring (404) is provided at the center of the inner side of the bracket (403), a fixed hole plate (405) is provided on the top of the bracket (403), a conductive wire column (406) is provided on the outside of the top of the fixed hole plate (405), and a protective shell (407) is provided on the top of the conductive wire column (406).

2. A lightning protection grounding pole for electric power equipment according to claim 1, characterized in that: The protective mechanism (4) comprises a fixed base (401), a fixed flat iron (402), a bracket (403), a branch collar (404), a fixed hole plate (405), a conductive wire column (406), a protective shell (407), a ground wire hole seat (408), a wire clamp (409) and a snap ring (410), wherein the outer side of the protective shell (407) is provided with a ground wire hole seat (408), the outer side of the protective shell (407) is provided with a wire clamp (409), and the outer side of the wire clamp (409) is provided with a snap ring (410).

3. The lightning protection grounding pole for electric power equipment according to claim 1, characterized in that: The threaded column head (1) and the main column rod (2) are connected by a slot, a plurality of trapezoidal threads are provided at the bottom of the threaded column head (1), a cross protrusion is provided at the top of the threaded column head (1), a cross groove is provided at the bottom of the main column rod (2), and the main column rod (2) and the anchor hole (3) are fixedly connected.

4. The lightning protection grounding pole for electric power equipment according to claim 1, characterized in that: A circular hole is provided in the center of the fixed base (401), the main column (2) passes through the fixed base (401), four groups of slots are provided on the edge of the fixed base (401), the fixed flat iron (402) and the fixed base (401) are sleeved, and the fixed flat iron (402) is provided with four groups, and the fixed flat iron (402) and the fixed base (401) slots are tightly fitted and correspond one to one.

5. The lightning protection grounding pole for electric power equipment according to claim 1, characterized in that: The fixed base (401) and the bracket (403) are connected by a slot, the main column (2) and the branch collar (404) are sleeved, the diameter of the main column (2) matches the inner diameter of the branch collar (404), the branch collar (404) and the fixed orifice plate (405) are connected by a slot, and the size of the branch collar (404) and the fixed orifice plate (405) match.

6. The lightning protection grounding pole for electric power equipment according to claim 1, characterized in that: The conductive wire column (406) and the branch collar (404) are connected by a threaded connection, and the protective shell (407) and the fixed hole plate (405) are connected by a slot. The protective shell (407) and the fixed hole plate (405) match in size, and four groups of square holes are opened on the outside of the protective shell (407).

7. The lightning protection grounding pole for electric power equipment according to claim 2, characterized in that: The protective housing (407) is sleeved with the ground wire hole seat (408), and the ground wire hole seat (408) is provided with four groups. The wire clamp (409) is sleeved with the ground wire hole seat (408) through the snap ring (410), and the wire clamp (409) is provided with eight groups. The snap ring (410) corresponds to the ground wire hole seat (408) one by one, and the outer diameter of the wire clamp (409) matches the inner diameter of the snap ring (410).

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