CN211428880U - Lightning arrester for high-voltage transmission line iron tower - Google Patents
Lightning arrester for high-voltage transmission line iron tower Download PDFInfo
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- CN211428880U CN211428880U CN201922147617.7U CN201922147617U CN211428880U CN 211428880 U CN211428880 U CN 211428880U CN 201922147617 U CN201922147617 U CN 201922147617U CN 211428880 U CN211428880 U CN 211428880U
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- iron tower
- tower main
- cable
- lightning
- transmission line
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Abstract
The utility model provides a lightning arrester for high tension transmission line iron tower. Including the iron tower main part, the top of iron tower main part fixed welding placed in the middle has the lightning rod, the top of iron tower main part is located the fixed cable fixing device that is provided with in both sides of lightning rod, be provided with the cavity spliced pole in the below of iron tower main part to the inside of cavity spliced pole is provided with the ground connection cable of connecting the lightning rod, the below of iron tower main part is fixed the surge protection box that is provided with placed in the middle to the lower extreme fixed connection of surge protection box and ground connection cable, the inside of surge protection box is provided with a plurality of surge protector, the both sides range of ground connection post is provided with a plurality of electric current branch post, the ground connection post buries in the ground of iron tower main. Soil in the resistance reducing area is mixed with a resistance reducing agent, and the spiral current branch column can increase the contact area with the ground body, so that electric charges generated by lightning can be discharged to the ground in time, and the iron tower main body can be well protected from lightning stroke.
Description
Technical Field
The utility model relates to an iron tower lightning arrester field especially relates to a lightning arrester for high tension transmission line iron tower.
Background
The structure of the iron tower of the transmission line is characterized in that various tower types belong to a space truss structure, the rod pieces mainly comprise single equilateral angle steel or combined angle steel, the materials generally use the rough bolts for connecting the rod pieces, the rod pieces are connected by the shearing force of the bolts, the whole tower comprises the angle steel, connecting steel plates and the bolts, and individual components such as tower feet and the like are welded into an assembly by a plurality of steel plates, so the hot galvanizing corrosion prevention, the transportation and the construction erection are very convenient. For the iron tower with the breath height below 60m, a foot nail is arranged on one main material of the iron tower so as to facilitate the climbing operation of construction operators. The traditional power transmission line iron tower can not well arrest lightning, transmission of electric quantity on the power transmission line iron tower can be influenced, or the power transmission line iron tower can be damaged in severe cases, the power transmission line iron tower is one of necessary conditions of power transmission, if the electric quantity of lightning stroke can not be discharged in rainy weather, other people or objects can be damaged around the high-voltage power transmission line, and then safety of people or objects in the normal range of the power transmission line iron tower can not be ensured, and the lightning protection device of the current high-voltage power transmission line iron tower is not efficient and stable enough for discharging transient current to the ground.
Therefore, there is a need to provide a lightning protection device for a high-voltage transmission line tower to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lightning arrester for high tension transmission line iron tower has solved the lightning arrester of present high tension transmission line iron tower and has discharged the not enough high-efficient stable problem of ground to electric current in the twinkling of an eye.
In order to solve the technical problem, the utility model provides a lightning arrester for a high-voltage transmission line iron tower, which comprises an iron tower main body, wherein a lightning rod is fixedly welded on the upper part of the iron tower main body in the middle, cable fixing devices are fixedly arranged on the upper part of the iron tower main body and positioned on two sides of the lightning rod, a hollow connecting column is arranged in the lower part of the iron tower main body, a grounding cable connected with the lightning rod is arranged in the hollow connecting column, a surge protection box is fixedly arranged in the middle of the lower part of the iron tower main body and fixedly connected with the lower end of the grounding cable, a plurality of surge protectors are arranged in the surge protection box, a plurality of grounding columns are arranged below the surge protection box, a plurality of current sub-columns are arranged on two sides of the grounding columns and are embedded in the ground below the iron tower main body, and a resistance reducing area is arranged in the ground area below the grounding post.
Preferably, the cable fixing device is arranged in a rectangular shape, the bottom surface of the cable fixing device is fixedly welded with the upper part of the iron tower main body, and cable through holes are formed in the front side surface and the rear side surface of the cable fixing device.
Preferably, a plurality of groups of fixing strips are fixedly welded on the inner wall of the cable through hole, and the inner side end of each group of fixing strips is rotatably hinged with a rolling ball through a bearing.
Preferably, the current splitter is arranged in a spiral shape, and the spiral channel of the current splitter is completely inserted into the resistance reducing area, and soil in the resistance reducing area is mixed with the resistance reducing agent.
Preferably, the cable fixing device is a ceramic material and the rolling ball is a solid rubber ball.
Preferably, the height of the lightning rod is three meters, and an insulating material is arranged at the joint of the lower end of the lightning rod and the iron tower main body.
Compared with the prior art, the utility model provides a lightning arrester for high tension transmission line iron tower has following beneficial effect:
the utility model provides a lightning arrester for high tension transmission line iron tower, the electric current reachs the surge protection box along the cable, surge protector can switch on the reposition of redundant personnel in the time of the utmost point weak point, make the electric current of reposition of redundant personnel reachd ground through each current branch post, the current branch post sets to the heliciform, and the helical passage of current branch post inserts completely and falls in the resistance area, it has the resistance reducing agent to fall the earth mixture in the resistance area, the area of contact of heliciform current branch post can increase and the ground body, make the electric charge that the thunder and lightning produced can in time arrange the ground, iron tower main part is protected well that can be fine and is avoided the thunderbolt.
The utility model provides a lightning arrester for high tension transmission line iron tower, the fixed welding of inner wall of cable through-hole has a plurality of groups fixed strip to the medial extremity of every group fixed strip has the roll ball through the rotatable articulated roll ball that has of bearing, and in the time of the roll ball installation, the cable can be very big reduce frictional resistance when penetrating in the cable through-hole and pulling, can effectually avoid the cable to cause the injury penetrating the cable through-hole.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the lightning arrester for the high-voltage transmission line iron tower provided by the present invention;
FIG. 2 is an enlarged partial schematic view of the structure shown in FIG. 1;
fig. 3 is a schematic structural view of the cable fixing device shown in fig. 1.
Reference numbers in the figures: 1. iron tower main part, 2, lightning rod, 3, cable fixing device, 4, cavity spliced pole, 5, ground connection cable, 6, surge protection box, 7, surge protector, 8, ground connection post, 9, electric current branch post, 10, fall and hinder the district, 11, cable through-hole, 12, fixed strip, 13, roll ball.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a lightning arrester for a high-voltage transmission line tower according to the present invention; FIG. 2 is an enlarged partial schematic view of the structure shown in FIG. 1; fig. 3 is a schematic structural view of the cable fixing device shown in fig. 1. The utility model provides a lightning arrester for a high-voltage transmission line iron tower, which comprises an iron tower main body 1, a lightning rod 2 is fixedly welded in the middle above the iron tower main body 1, cable fixing devices 3 are fixedly arranged on the two sides of the lightning rod 2 above the iron tower main body 1, a hollow connecting column 4 is arranged in the middle below the iron tower main body 1, and a grounding cable 5 connected with the lightning rod 2 is arranged inside the hollow connecting column 4, a surge protection box 6 is fixedly arranged in the middle below the iron tower main body 1, and surge protection box 6 and the lower extreme fixed connection of ground connection cable 5, the inside of surge protection box 6 is provided with a plurality of surge protector 7, and the below of surge protection box 6 is provided with a plurality of ground post 8, and the both sides range of ground post 8 is provided with a plurality of electric current branch post 9, and ground post 8 buries in the ground of iron tower main part 1 below, and the ground zone below ground post 8 is provided with and falls and hinders district 10.
The cable fixing device 3 is arranged in a rectangular shape, the bottom surface of the cable fixing device 3 is fixedly welded with the upper portion of the iron tower main body 1, cable through holes 11 are formed in the front side surface and the rear side surface of the cable fixing device 3, and the erected cable can penetrate through the cable through holes 11, so that the cable can be stable.
The fixed welding of the inner wall of cable through-hole 11 has a plurality of groups of fixed strip 12 to the medial extremity of every group of fixed strip passes through the rotatable articulated rolling ball 13 that has of bearing, and rolling ball 13 when the cable installation, the frictional resistance that reduces that can be very big when the cable penetrates and stimulates in the cable through-hole 11 can effectually be avoided the cable to lead to the fact the injury penetrating cable through-hole 11.
The current splitter 9 is arranged in a spiral shape, the spiral channel of the current splitter 9 is completely inserted into the resistance reducing area 10, soil in the resistance reducing area 10 is mixed with resistance reducing agents, the spiral current splitter 9 can increase the contact area with the ground, and electric charges generated by lightning can be timely discharged to the ground.
The cable fixing device 3 is made of ceramic materials, the rolling balls 13 are rubber solid balls, and the ceramic and the rubber have good insulativity and can effectively isolate the erected cable from being interfered by lightning.
The height of the lightning rod 2 is three meters, and the joint of the lower end of the lightning rod 2 and the iron tower main body 1 is separated by an insulating material, so that lightning can be further prevented from flowing into the iron tower main body 1.
The utility model provides a theory of operation that is used for lightning arrester of high tension transmission line iron tower as follows:
in thunderstorm weather, thunder can hit the lightning rod 2 at first because the characteristic of hitting high-rise objects at first, the electric current of thunder flows into the ground connection cable 5 in the hollow connecting column below the lightning rod 2, make the electric current totally unable to interfere iron tower main part 1, the electric current reaches surge protection box 6 along cable 5, surge protector 7 can switch on the reposition of redundant personnel in the very short time, make the electric current of reposition of redundant personnel reach ground through each current splitter 9, current splitter 9 sets up into the heliciform, and the helical passage of current splitter 9 inserts completely in resistance reducing area 10, the earth in resistance reducing area 10 mixes has resistance reducing agent, helical current splitter 9 can increase the area of contact with the ground, make the electric charge that the thunder produced can in time discharge to ground, can be fine protect iron tower main part 1 to avoid the thunderstorm, guarantee cable run safety.
Compared with the prior art, the utility model provides a lightning arrester for high tension transmission line iron tower has following beneficial effect:
the utility model provides a lightning arrester for high tension transmission line iron tower, the electric current reachs surge protection box 6 along cable 5, surge protector 7 can switch on the reposition of redundant personnel in the time of the utmost point weak point, make the electric current of reposition of redundant personnel arrive ground through each current reposition of redundant personnel post 9, current reposition of redundant personnel post 9 sets to the heliciform, and the helical passage of current reposition of redundant personnel post 9 inserts completely and falls in hindering district 10, it has resistance reducing agent to fall the earth mixture in hindering district 10, the contact area of heliciform current reposition of redundant personnel post 9 can increase and the ground body, make the electric charge that the thunder and lightning produced in time arrange the ground, iron tower main part 1 has been protected well that can be fine and has been avoided the thunder.
The utility model provides a lightning arrester for high tension transmission line iron tower, the fixed welding of inner wall of cable through-hole 11 has a plurality of groups fixed strip 12 to the medial extremity of every group fixed strip has rolling ball 13 through the rotatable articulated roll ball 13 that has of bearing, and when rolling ball 13 was installed at the cable, the cable can be very big reduce frictional resistance when penetrating and pulling in the cable through-hole 11, can effectually avoid the cable to cause the injury penetrating cable through-hole 11.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a lightning arrester for high tension transmission line iron tower, includes iron tower main part (1), its characterized in that: the lightning rod (2) is fixedly welded in the middle above the iron tower main body (1), cable fixing devices (3) are fixedly arranged on two sides of the lightning rod (2) above the iron tower main body (1), a hollow connecting column (4) is arranged in the middle below the iron tower main body (1), a grounding cable (5) connected with the lightning rod (2) is arranged in the hollow connecting column (4), a surge protection box (6) is fixedly arranged in the middle below the iron tower main body (1), the surge protection box (6) is fixedly connected with the lower end of the grounding cable (5), a plurality of surge protectors (7) are arranged in the surge protection box (6), a plurality of grounding columns (8) are arranged below the surge protection box (6), and a plurality of current sub-columns (9) are arranged on two sides of the grounding columns (8), the grounding column (8) is buried in the ground below the iron tower main body (1), and a resistance reducing area (10) is arranged in the ground area below the grounding column (8).
2. The lightning protection device for the high-voltage transmission line iron tower according to claim 1, wherein the cable fixing device (3) is rectangular, the bottom surface of the cable fixing device (3) is fixedly welded with the upper part of the iron tower main body (1), and cable through holes (11) are formed in the front side surface and the rear side surface of the cable fixing device (3).
3. The lightning protection device for the high-voltage transmission line iron tower is characterized in that a plurality of groups of fixing strips (12) are fixedly welded on the inner wall of the cable through hole (11), and the inner side end of each group of fixing strips is rotatably hinged with a rolling ball (13) through a bearing.
4. The lightning protection device for the high-voltage transmission line tower as claimed in claim 1, wherein the current sharing column (9) is arranged in a spiral shape, and the spiral channel of the current sharing column (9) is completely inserted into the resistance reducing area (10), and the soil in the resistance reducing area (10) is mixed with the resistance reducing agent.
5. The lightning protection device for the high-voltage transmission line tower as claimed in claim 2, wherein the cable fixing device (3) is a ceramic material and the rolling ball (13) is a solid rubber ball.
6. The lightning protection device for the high-voltage transmission line iron tower according to the claim 1 is characterized in that the height of the lightning rod (2) is three meters, and the junction of the lower end of the lightning rod (2) and the iron tower main body (1) is isolated by insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147617.7U CN211428880U (en) | 2019-12-04 | 2019-12-04 | Lightning arrester for high-voltage transmission line iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147617.7U CN211428880U (en) | 2019-12-04 | 2019-12-04 | Lightning arrester for high-voltage transmission line iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211428880U true CN211428880U (en) | 2020-09-04 |
Family
ID=72245692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922147617.7U Expired - Fee Related CN211428880U (en) | 2019-12-04 | 2019-12-04 | Lightning arrester for high-voltage transmission line iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211428880U (en) |
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2019
- 2019-12-04 CN CN201922147617.7U patent/CN211428880U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20211204 |