CN212611970U - Tower column lightning protection device - Google Patents

Abstract

The utility model provides a pylon lightning protection device, including connecing dodge pole and ground connection downlead, the tower top is located to the dodge pole, the tower of cable tower is located to the ground connection downlead, ground connection downlead upper end with connect the dodge pole to connect, its lower extreme passes in the steel concrete composite beam extends to the cushion cap of cable tower, the ground connection downlead is equipped with many, many in ground connection downlead and the cable tower many main muscle one-to-ones are connected to set up along main muscle length direction. In the utility model, by arranging a plurality of grounding downleads, the plurality of grounding downleads are connected and fixed on the main rib, the main rib can also be used as the grounding downlead, and the lightning-protection conductive path is not easy to break by using the plurality of grounding downleads as the release channel of the lightning current, and the high potential difference at the two ends of the single grounding downlead is avoided, thereby causing higher contact voltage; meanwhile, the grounding downlead is arranged along the main rib, so that the grounding downlead can be conveniently installed and fixed, the construction difficulty is reduced, and the construction efficiency is improved.

Description

Tower column lightning protection device

Technical Field

The utility model relates to a bridge construction technical field especially relates to a tower column lightning protection device.

Background

Along with the rapid development of the existing science and technology, reinforced concrete can be adopted in the construction process of large-scale highway or railway bridges to guarantee the bearing capacity of the bridges, especially for tower columns erected in high heights, the tower columns are easily split by thunder in thunderstorm weather, the surface bodies of the tower columns are damaged, concrete blocks knocked down by lightning can also damage passing vehicles and personnel, and therefore a lightning protection cable tower needs to be constructed.

Although the lightning rod device is designed on the tower column of the lightning-protection highway bridge in the existing building, the lightning rod device is simple in structure, the conductive path of the lightning rod is easy to break, and the lightning protection effect is not good enough, so that the tower column lightning protection device which is longer in service life and better in effect needs to be researched and developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a good pylon lightning protection device of lightning-arrest effect.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a pylon lightning protection device for install on cable tower, includes lightning rod and ground connection downlead, the cable tower top is located to the lightning rod, the tower of cable tower is located to the ground connection downlead, ground connection downlead upper end with the lightning rod is connected, and its lower extreme passes in the steel concrete composite beam extends to the cushion cap of cable tower, the ground connection downlead is equipped with many, many main muscle one-to-one is connected in ground connection downlead and the cable tower to set up along main muscle length direction.

Preferably, the tower column lightning protection device further comprises a plurality of equipotential rings, and the equipotential rings are arranged on the grounding down lead at intervals along the height direction of the cable tower.

Preferably, the tower column lightning protection device further includes an additional lead and a ground terminal disposed on the upper portion of the cable tower lower beam, the ground terminal is used for being connected with the reinforced concrete composite beam, one end of the additional lead is connected to the ground down lead, and the other end of the additional lead is connected to the ground terminal.

Preferably, the equipotential ring is welded to the ground down conductor.

Preferably, the positions of the welding points of the equipotential rings and the grounding down lead are sprayed with anticorrosive paint.

Preferably, two adjacent equipotential rings are separated by 10 m.

Preferably, the tower lightning protection device further includes a cable electrically connected to the ground down conductor or the equipotential ring.

Preferably, the lightning rod is fixedly connected with an embedded part on the top end of the cable tower through a bolt.

Preferably, the lightning rod is 0-MEX60 in model number.

Preferably, the grounding down conductor is made of hot-galvanized flat steel.

Compared with the prior art, the utility model discloses a scheme has following advantage:

in the tower column lightning protection device of the utility model, by arranging a plurality of grounding downleads, the grounding downleads are connected and fixed on the main rib, the main rib can also be used as the grounding downlead, and the lightning-protection conductive path is not easy to break by using the grounding downleads as the release channel of the lightning current, so that the high potential difference at the two ends of the single grounding downlead is avoided, and the higher contact voltage is caused; meanwhile, the grounding downlead is arranged along the main rib, so that the grounding downlead can be conveniently installed and fixed, the construction difficulty is reduced, and the construction efficiency is improved.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of an overall structure of an embodiment of the present invention.

Reference numerals: 100. a cable tower; 200. a bearing platform; 1. a lightning rod; 2. a down conductor; 3. an equipotential ring; 4. and a ground terminal.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It will be understood by those within the art that, unless expressly stated otherwise, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

As shown in fig. 1, the utility model relates to a pylon lightning protection device, it is used for installing on cable tower 100 to avoid cable tower 100 to suffer the thunderbolt, and cause the injury for passing vehicle and pedestrian, pylon lightning protection device is including connecing pole 1 and ground connection downlead 2, connect pole 1 to locate cable tower 100 top, ground connection downlead 2 is buried underground in cable tower 100's pylon, 2 upper ends of ground connection downlead with connect 1 electric connection of dodge pole, its lower extreme passes steel concrete composite beam (not shown in the figure, lower with) and extends to in cable tower 100's cushion cap 200, ground connection downlead 2 is equipped with many, many the ground connection downlead 2 is connected fixedly with many main muscle (not shown in the figure, lower with) one-to along main muscle length direction setting in cable tower 100.

In the utility model, by arranging a plurality of ground downleads 2, the plurality of ground downleads 2 are connected and fixed on the main rib, the main rib can also be used as the ground downlead 2, and the lightning-protection conductive path is not easy to break by using the plurality of ground downleads 2 as the release channel of the lightning current, thereby avoiding the high potential difference at the two ends of the single ground downlead 2 and further causing higher contact voltage; meanwhile, the grounding downlead 2 is arranged along the main rib, so that the grounding downlead 2 is convenient to install and fix, the construction difficulty is reduced, and the construction efficiency is improved.

In this embodiment, ground connection downlead 2 is equipped with four at least, ground connection downlead 2 can through the mode of ligature with main muscle fixed connection also can be fixed in on the main muscle through welded fastening's mode.

The pylon lightning protection device still includes equipotential ring 3 such as, equipotential ring 3 is in along 100 direction of height of cable tower the interval is equipped with a plurality ofly on the ground connection downlead 2, equipotential ring 3 is used for linking many ground connection downleads 2 of same height to reduce the potential difference between many ground connection downleads 2, and then protect cable tower 100 itself and the safety of last electric installation and telecommunication device.

In this embodiment, the interval between two adjacent equipotential rings 3 is 10 m.

Preferably, the equipotential ring 3 is welded to the grounded down conductor 2 to ensure stable connection between the equipotential ring 3 and the grounded down conductor 2 and stable conduction path, and the equipotential ring 3 is welded to and fixed to a main rib and a framework in the cable tower 100 to form an equipotential network, so as to achieve uniform voltage and equipotential output; equipotential ring 3 with ground connection downlead 2, main muscle to and the welding point position department spraying anticorrosive coating of skeleton, to carry out anticorrosive treatment to welding point position department, guarantee equipotential ring 3 with ground connection downlead 2, main muscle to and skeleton joint's stability.

The pylon lightning protection device still include with 3 electric connection's of equipotential ring cable (not shown in the figure, lower with) ground connection downlead 2 or equal, the pylon lightning protection device still includes additional lead (not shown in the figure, lower with) to and locate the ground terminal 4 on cable tower 100 bottom end rail upper portion, ground terminal 4 be used for with steel concrete composite beam connects, additional lead one end connect in ground connection downlead 2, its other end connect in ground terminal 4, and then steel concrete composite beam, cable, ground connection downlead 2, cushion cap 200 and lightning rod 1 constitute complete conductor, in order to avoid the destruction of thunder and lightning to the bridge.

In this embodiment, the model of the lightning rod 1 is 0-MEX60, and the lightning rod 1 of the lightning rod 1 is fixedly connected to an embedded part on the top end of the pylon 100 through a bolt, so that the lightning rod 1 can be fixed to the top end of the pylon 100, and the lightning protection effect of the pylon 100 is ensured.

In this embodiment, the ground down conductor 2 is made of hot-dip galvanized 50X5mm flat steel.

The utility model discloses in, the pylon lightning protection device is provided with two sets to the one-to-one is located on the pylon of 100 double-phase symmetries of cable tower, in order to guarantee cable tower 100's lightning-arrest effect.

To sum up, the utility model discloses a will cable tower 100 steel concrete composite beam, cable, ground connection downlead 2, cushion cap 200 and lightning rod 1 constitute complete conductor to make the bridge can lead to the ground with the thunder and lightning, avoid the thunder and lightning to cause the destruction to the bridge.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a pylon lightning protection device for install on cable tower, characterized by: including connecing dodge pole and ground connection downlead, connect the dodge pole and locate the cable tower top, the ground connection downlead is located in the column of cable tower, ground connection downlead upper end with connect the dodge pole and connect, its lower extreme passes in the steel concrete composite beam extends to the cushion cap of cable tower, the ground connection downlead is equipped with many, many main muscle one-to-one is connected in ground connection downlead and the cable tower to set up along main muscle length direction.

2. The tower lightning protection device of claim 1, wherein: the cable tower further comprises a plurality of equipotential rings, and the equipotential rings are arranged on the grounding down lead at intervals along the height direction of the cable tower.

3. The tower lightning protection device of claim 1, wherein: the cable tower further comprises an additional lead and a grounding terminal arranged on the upper portion of the lower beam of the cable tower, the grounding terminal is used for being connected with the reinforced concrete composite beam, one end of the additional lead is connected with the grounding down lead, and the other end of the additional lead is connected with the grounding terminal.

4. The tower lightning protection device of claim 2, wherein: the equipotential rings are connected with the grounding down lead in a welding mode.

5. The tower lightning protection device of claim 4, wherein: and anticorrosive paint is sprayed at the positions of the equipotential ring and the welding point of the grounding down lead.

6. The tower lightning protection device of claim 2, wherein: the interval between two adjacent equipotential rings is 10 m.

7. The tower lightning protection device of claim 2, wherein: and the cable is electrically connected with the grounding down lead or the equipotential ring.

8. The tower lightning protection device of claim 1, wherein: the lightning rod is fixedly connected with an embedded part on the top end of the cable tower through a bolt.

9. The tower lightning protection device of claim 1, wherein: the lightning rod is 0-MEX60 in model.

10. The tower lightning protection device of claim 1, wherein: the grounding down lead is made of hot galvanizing flat steel.

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