CN216055230U - Cable tower lightning grounding device - Google Patents
Cable tower lightning grounding device Download PDFInfo
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- CN216055230U CN216055230U CN202122437375.2U CN202122437375U CN216055230U CN 216055230 U CN216055230 U CN 216055230U CN 202122437375 U CN202122437375 U CN 202122437375U CN 216055230 U CN216055230 U CN 216055230U
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- pylon
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Abstract
The utility model provides a cable tower lightning protection grounding device which comprises a left lightning protection structure arranged on a left tower limb, a right lightning protection structure arranged on a right tower limb, a grounding electrode arranged on a tower base and a tower limb voltage equalizing line arranged at a cross beam of a tower column, wherein the tower limb voltage equalizing line and the grounding electrode are connected with the left lightning protection structure and the right lightning protection structure and are electrically communicated. Through set up the right lightning protection structure electric property intercommunication of left lightning protection structure of column limb and right column limb with column limb equalizer line in crossbeam department for left lightning protection structure is the same with the electric potential of right lightning protection structure, avoids two lightning protection structure electric potentials difference production potential differences of two column limbs, and then the safety of protection cable tower itself and the electrical equipment and the telecommunications device on it.
Description
Technical Field
The utility model relates to the technical field of bridge lightning protection, in particular to a cable tower lightning protection grounding 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 cable tower lightning protection grounding device needs to be constructed, and the damage of lightning to the cable tower is reduced.
Although the lightning rod device is designed on the tower column of the lightning-protection highway bridge in the current building, the lightning rod device has simple structure, the conductive path of the lightning rod is easy to break, and the lightning protection effect is not good enough, so that a cable tower lightning protection device with longer service life and better effect is necessary to be researched and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cable tower lightning protection grounding device with better lightning protection effect.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a cable tower lightning protection grounding device which is suitable for being installed on an A-type tower column to achieve a lightning protection function, wherein the A-type tower column comprises a left tower limb and a right tower limb, the cable tower lightning protection grounding device comprises a left lightning protection structure arranged on the left tower limb, a right lightning protection structure arranged on the right tower limb, a grounding electrode arranged on a tower base and a tower limb voltage equalizing line arranged at a cross beam of the tower column, and the tower limb voltage equalizing line and the grounding electrode are connected with the left lightning protection structure and the right lightning protection structure and are electrically communicated.
In one embodiment, the left lightning protection structure and the right lightning protection structure each include: lightning rod, many ground connection downleads to and a plurality of equipotential rings, the lightning rod is fixed in tower limb top, ground connection downlead is connected with the lightning rod and downwardly extending is connected to the ground connection in the tower seat on, many ground connection downleads set up and inlay along tower limb interval all around and locate in the tower limb, and is a plurality of equipotential rings are along column height direction interval distribution and with many ground connection downleads connection cage form.
In one embodiment, the distance between two adjacent equipotential rings along the height direction is 10 meters.
In one embodiment, at least a part of the plurality of grounded downleads is formed by vertical main ribs in the tower column.
In one embodiment, at least a part of the plurality of ground downleads is made of 50 × 5mm galvanized flat steel.
In one embodiment, the equipotential rings extend horizontally and are welded to the grounded down conductor of the same tower limb at the same height.
In one embodiment, the tower limb equalizer is made of 50 x 5mm galvanized flat steel and is welded to the grounded down conductor of the two tower limbs.
In one embodiment, the tower limb equalizer is arranged at each beam of the tower.
In one embodiment, the tower limbs are provided with equalizing lines on both the upper and lower sides of the cross beam.
In one embodiment, the tower limb equalizing line is formed by overlapping and welding a plurality of 50 x 5mm galvanized flat steels.
The technical scheme provided by the utility model has the beneficial effects that: according to the utility model, the left lightning protection structure of the left tower limb is electrically communicated with the right lightning protection structure of the right tower limb by arranging the tower limb voltage equalizing line at the cross beam, so that the potentials of the left lightning protection structure and the right lightning protection structure are the same, and the potential difference generated by the difference of the potentials of the two lightning protection structures of the two tower limbs is avoided, thereby protecting the safety of the cable tower and the electric devices and telecommunication devices on the cable tower.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below.
Fig. 1 is a schematic structural diagram of a cable tower lightning protection grounding device according to an embodiment of the present invention.
Reference numerals: 1. a lightning rod; 2. a down conductor; 3. an equipotential ring; 10. a left lightning protection structure; 20. a right lightning protection structure; 30. tower limb pressure equalizing line; 40. a ground electrode; 201. a left tower limb; 202. a right tower limb; 203. a cross beam; 204. a tower seat.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and the embodiments of the present invention are illustrative only and are not intended to limit the scope of the present invention.
It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the utility model is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "coupled" may refer to direct coupling or indirect coupling via intermediate members (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
Referring to fig. 1, the present invention relates to a cable tower lightning protection grounding device, which is suitable for being installed on a cable tower with more than two tower limbs to prevent the cable tower itself or electrical or communication equipment on the cable tower from being damaged by lightning.
In this embodiment, the structure and function of the cable tower lightning grounding device of the present invention will be described by taking an a-type cable tower, i.e. a cable tower with two tower limbs, as an example. For ease of description, one of the tower limbs is defined as a left tower limb 201 and the other as a right tower limb 202, it being understood that "left" and "right" are directions representing relative relationships in space, not fixed, with the left and right directions being transverse to the bridge direction.
The lightning protection grounding device of the cable tower comprises a left lightning protection structure 10 arranged on a left tower limb 201, a right lightning protection structure 20 arranged on a right tower limb 202, a grounding electrode 40 arranged on a tower base 204, and a tower limb voltage equalizing line 30, wherein the grounding electrode 40 is connected with the respective bottom ends of the left lightning protection structure 10 and the right lightning protection structure 20, and the tower limb voltage equalizing line 30 is connected with the two lightning protection structures at a cross beam 203 of the cable tower so as to realize the electrical communication between the two lightning protection structures, so that the potentials of the two lightning protection structures at the same height are the same, the potential difference between the lightning protection structures of the two tower limbs is avoided, the voltage equalizing and equipotential output between the left lightning protection structure and the right lightning protection structure is realized, and the cable tower and the electrical equipment or communication equipment on the cable tower can be prevented from being damaged by lightning.
In one embodiment, a part of the plurality of grounded downleads 2 is formed by vertical main ribs in a tower column, and a part of the grounded downleads 2 is formed by galvanized flat steel with the thickness of 50 mm and 5 mm. The equipotential ring 3 is formed by welding a plurality of galvanized flat steels with the thickness of 50 mm in an end-to-end lap joint mode to form a ring shape.
In one embodiment, the distance between two adjacent equipotential rings 3 along the height direction is 10 meters.
In one embodiment, the tower limb voltage equalizing line 30 is disposed at each cross beam 203 of the tower column, and the tower limb voltage equalizing lines 30 are disposed at the upper and lower sides of the cross beam, so that a plurality of tower limb voltage equalizing lines are disposed in the height direction of the tower column, and the voltage equalizing and equipotential output effect between two lightning protection structures is improved. In addition, the tower limb pressure equalizing line is buried in the cross beam, so that the appearance of the cable tower is not influenced.
In one embodiment, the tower limb equalizing line is formed by overlapping and welding a plurality of 50 x 5mm galvanized flat steels.
In one embodiment, 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 a main rib and a framework in a cable tower to form an equipotential network to realize 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.
It should be understood that the grounding down lead, the equal potential rings, the grounding electrode and the tower limb voltage equalizing line are all embedded in the cable tower, the appearance of the cable tower is not affected, and the protection effect of the lightning protection structure is also improved.
The foregoing description is only exemplary of the preferred embodiments of the utility model and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, and other embodiments can be made by combining the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features are replaced with (but not limited to) features having similar functions of the present invention.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (10)
1. The utility model provides a cable tower lightning protection earthing device, is applicable to and installs the function of realizing lightning protection on A type column, and wherein, A type column includes left tower limb and right tower limb, its characterized in that, including the left lightning protection structure of locating left tower limb, locate the right lightning protection structure of right tower limb, locate the earthing pole of column tower to and the tower limb equalizer line of locating the crossbeam department of column tower, tower limb equalizer line and earthing pole all with left lightning protection structure and right lightning protection structural connection and realize the electric property intercommunication.
2. The pylon lightning protection grounding device of claim 1 wherein the left and right lightning protection structures each comprise: lightning rod, many ground connection downleads to and a plurality of equipotential rings, the lightning rod is fixed in tower limb top, ground connection downlead is connected with the lightning rod and downwardly extending is connected to the ground connection in the tower seat on, many ground connection downleads set up and inlay along tower limb interval all around and locate in the tower limb, and is a plurality of equipotential rings are along column height direction interval distribution and with many ground connection downleads connection cage form.
3. The cable tower lightning protection grounding device according to claim 2, wherein the distance between two adjacent equipotential rings in the height direction is 10 m.
4. The cable tower lightning protection grounding device of claim 2, wherein at least a portion of the plurality of ground downleads is formed by vertical main ribs in the tower column.
5. The pylon lightning protection grounding device of claim 2 wherein at least a portion of the plurality of ground down conductors is constructed of 50 x 5mm galvanized flat steel.
6. The pylon lightning protection grounding device of claim 2 wherein the equipotential rings extend horizontally and are welded to the ground down conductor of the same pylon leg at the same height.
7. The pylon lightning protection grounding device of claim 2 wherein the pylon limb voltage equalizer is constructed of 50 x 5mm galvanized flat steel and is welded to the ground down conductors of the two pylon limbs.
8. The pylon lightning protection grounding device of claim 1 wherein a pylon leg equalizer is provided at each beam of the pylon.
9. The cable tower lightning protection grounding device according to claim 6, wherein the tower limb voltage equalizing line is disposed on both upper and lower sides of the beam.
10. The pylon lightning protection grounding device of claim 1 wherein the pylon limb equalizer bar is constructed by overlapping and welding a plurality of 50 x 5mm galvanized flat steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437375.2U CN216055230U (en) | 2021-10-09 | 2021-10-09 | Cable tower lightning grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437375.2U CN216055230U (en) | 2021-10-09 | 2021-10-09 | Cable tower lightning grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216055230U true CN216055230U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122437375.2U Active CN216055230U (en) | 2021-10-09 | 2021-10-09 | Cable tower lightning grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216055230U (en) |
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2021
- 2021-10-09 CN CN202122437375.2U patent/CN216055230U/en active Active
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