CN217215910U

CN217215910U - Lightning protection device for overhead transmission line

Info

Publication number: CN217215910U
Application number: CN202123288269.9U
Authority: CN
Inventors: 刘志亮
Original assignee: Guangdong Hongde Electric Power Technology Co ltd
Current assignee: Guangdong Hongde Electric Power Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-08-16
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses an overhead power transmission line lightning protection device, including the tower body, be provided with the top horizontal pole on the tower body, be provided with the lightning rod on the top horizontal pole, be fixed with first support frame on the tower body, be fixed with first support ring on the first support frame, it has the lightning conductor to run through on the first support ring, is fixed with first ring on the tower body, is fixed with first wire rope on the first ring, and first wire rope's the other end is fixed with the second ring, is fixed with the inserted bar on the second ring, and the inserted bar is embedded into in the ground. The utility model discloses a lightning rod and lightning conductor can realize dual lightning protection, and effectual assurance power transmission line adopts the screw thread butt joint through screw cap and threaded rod at the transmission of electricity safety and stability of thunder and lightning weather, can overhaul or when changing the lightning rod in the operation of ascending a height, need not the instrument and can dismantle.

Description

Lightning protection device for overhead transmission line

Technical Field

The utility model relates to an overhead transmission line technical field specifically is an overhead transmission line lightning protection device.

Background

The power transmission is realized by boosting the electric energy generated by the generator by a transformer and then connecting the electric energy to a power transmission line through control equipment such as a circuit breaker, and the power transmission line is divided into an overhead power transmission line and a cable line according to the structural form.

The overhead transmission line consists of a line tower, a lead, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like and is erected on the ground.

Although overhead transmission line does not occupy ground space, avoids artificial contact, nevertheless receives the thunderbolt very easily at the eminence, if do not take the lightning protection, then can suffer from frequent thunder and lightning calamity influence and loss in thunderbolt weather.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhead transmission line lightning protection device to the solution is to the problem of power transmission line lightning protection.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an overhead power transmission line lightning protection device, includes the tower body, be provided with the top horizontal pole on the tower body, be provided with the lightning rod on the top horizontal pole, be fixed with first support frame on the tower body, be fixed with first support ring on the first support frame, it has the lightning conductor to run through on the first support ring, be fixed with first ring on the tower body, be fixed with first wire rope on the first ring, first wire rope's the other end is fixed with the second ring, be fixed with the inserted bar on the second ring, the inserted bar is embedded into subaerial.

Preferably, a first connecting ring is fixed on the first support frame, a second steel wire rope is fixed on the first connecting ring, and double lightning protection can be realized by the lightning conductor and the lightning rod.

Preferably, a second connecting ring is fixed on the tower body, and the other end of the second steel wire rope is fixed with the second connecting ring, so that the first support frame can be stably reinforced.

Preferably, be fixed with the second support frame on the tower body, be fixed with the insulator on the second support frame, play an insulating effect, avoid receiving the thunder and lightning influence.

Preferably, a second supporting ring is fixed at the lower end of the insulator, and a power transmission line penetrates through the second supporting ring, so that normal power transmission of power supply can be realized.

Preferably, a lantern ring is fixedly embedded into the top cross rod, a threaded rod penetrating through the lantern ring is fixedly arranged on the lightning rod, and the lightning rod is conveniently and rapidly positioned and butted with the top cross rod.

Preferably, the screw thread is provided with the screw cap on the threaded rod, and the screw cap is hugged closely with the contact of top horizontal pole, and easy access or change lightning rod need not the instrument and can dismantle safely.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a lightning rod and lightning conductor can realize dual lightning protection, and the effectual transmission of electricity safety and stability of assurance power transmission line in thunder and lightning weather.

2. The utility model discloses a screw cap adopts the screw thread butt joint with the threaded rod, can overhaul or when changing the lightning rod in the operation of ascending a height, need not the instrument and can dismantle.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the local enlarged schematic view of the lightning rod of the utility model.

In the figure: 1. a tower body; 11. a top cross bar; 12. a lightning rod; 13. a first support frame; 14. a first support ring; 15. a lightning conductor; 16. a first circular ring; 17. a first wire rope; 18. a second circular ring; 19. inserting a rod; 2. a first adapter ring; 21. a second wire rope; 22. a second adaptor ring; 3. a second support frame; 31. an insulator; 32. a second support ring; 33. a power transmission line; 4. a collar; 41. a threaded cap; 42. a threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example I

Referring to fig. 1, a lightning protection device for an overhead power transmission line includes a tower body 1, a top cross bar 11 is disposed on the tower body 1, a lightning rod 12 is disposed on the top cross bar 11, a first support frame 13 is fixed on the tower body 1, a first support ring 14 is fixed on the first support frame 13, a lightning conductor 15 penetrates through the first support ring 14, a first ring 16 is fixed on the tower body 1, a first steel wire rope 17 is fixed on the first ring 16, a second ring 18 is fixed at the other end of the first steel wire rope 17, an insertion rod 19 is fixed on the second ring 18, and the insertion rod 19 is embedded into the ground.

Referring to fig. 1, a first connecting ring 2 is fixed on the first support frame 13, a second steel wire rope 21 is fixed on the first connecting ring 2, and the lightning conductor 15 and the lightning rod 12 can achieve double lightning protection.

Referring to fig. 1, a second connecting ring 22 is fixed on the tower body 1, and the other end of the second steel wire rope 21 is fixed to the second connecting ring 22, so as to reinforce and stabilize the first support frame 13.

This embodiment is used: ground protection is achieved by introducing the circuit into the ground when struck by lightning.

Example II

Referring to fig. 1, in this embodiment, as further described in embodiment 1, a lightning protection device for an overhead power transmission line includes a tower body 1, a top cross bar 11 is disposed on the tower body 1, a lightning rod 12 is disposed on the top cross bar 11, a first support frame 13 is fixed on the tower body 1, a first support ring 14 is fixed on the first support frame 13, a lightning conductor 15 penetrates through the first support ring 14, a first ring 16 is fixed on the tower body 1, a first steel wire rope 17 is fixed on the first ring 16, a second ring 18 is fixed at the other end of the first steel wire rope 17, an insertion rod 19 is fixed on the second ring 18, and the insertion rod 19 is embedded into the ground.

Referring to fig. 1 and 2, a collar 4 is fixedly embedded in the top rail 11, and a threaded rod 42 penetrating the collar 4 is fixedly arranged on the lightning rod 12, so that the lightning rod 12 and the top rail 11 can be positioned and butted quickly.

Referring to fig. 1 and 2, the threaded rod 42 is provided with a threaded cap 41 by threads, and the threaded cap 41 is in contact with the top rail 11 and is tightly attached to facilitate the maintenance or replacement of the lightning rod 12, so that the lightning rod can be safely disassembled without tools.

In use, the present embodiment: when it is desired to remove the lightning rod 12, the threaded cap 41 is rotated to disengage it from the threaded rod 42, thereby completing the removal of the rod from the collar 4.

Example III

Referring to fig. 1, the present embodiment further illustrates another embodiment, and a lightning protection device for an overhead power transmission line includes a tower body 1, a top cross bar 11 is disposed on the tower body 1, a lightning rod 12 is disposed on the top cross bar 11, a first support frame 13 is fixed on the tower body 1, a first support ring 14 is fixed on the first support frame 13, a lightning conductor 15 penetrates through the first support ring 14, a first ring 16 is fixed on the tower body 1, a first steel wire rope 17 is fixed on the first ring 16, a second ring 18 is fixed at the other end of the first steel wire rope 17, an insertion rod 19 is fixed on the second ring 18, and the insertion rod 19 is embedded into the ground.

Referring to fig. 1, a second engagement ring 22 is fixed on the tower body 1, and the other end of the second steel wire rope 21 is fixed to the second engagement ring 22, so as to reinforce and stabilize the first support frame 13.

Referring to fig. 1, a second support frame 3 is fixed on a tower body 1, and an insulator 31 is fixed on the second support frame 3, so as to achieve an insulating effect and avoid being influenced by lightning.

Referring to fig. 1, a second supporting ring 32 is fixed at the lower end of the insulator 31, and a power transmission line 33 penetrates through the second supporting ring 32, so that normal power transmission for power supply can be realized.

Referring to fig. 1 and 2, a collar 4 is fixedly embedded in the top rail 11, and a threaded rod 42 penetrating the collar 4 is fixedly arranged on the lightning rod 12, so that the lightning rod 12 and the top rail 11 can be conveniently and quickly positioned and butted.

In use, the present embodiment: when lightning protection is needed, when lightning strikes, the lightning rod 12 and the lightning conductor 15 can lead the damage current of the lightning into the ground through the tower body 1 and the first steel wire rope 17, and loss of the power transmission line 33 is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an overhead transmission line lightning protection device, includes tower body (1), its characterized in that: be provided with top horizontal pole (11) on tower body (1), be provided with lightning rod (12) on top horizontal pole (11), be fixed with first support frame (13) on tower body (1), be fixed with first support ring (14) on first support frame (13), it has lightning conductor (15) to run through on first support ring (14), be fixed with first ring (16) on tower body (1), be fixed with first wire rope (17) on first ring (16), the other end of first wire rope (17) is fixed with second ring (18), be fixed with inserted bar (19) on second ring (18), inserted bar (19) are embedded into the ground.

2. An overhead transmission line lightning protection device according to claim 1, characterized in that: a first connecting ring (2) is fixed on the first support frame (13), and a second steel wire rope (21) is fixed on the first connecting ring (2).

3. An overhead transmission line lightning protection device according to claim 2, wherein: a second connection ring (22) is fixed on the tower body (1), and the other end of the second steel wire rope (21) is fixed with the second connection ring (22).

4. An overhead transmission line lightning protection device according to claim 1, characterized in that: a second support frame (3) is fixed on the tower body (1), and an insulator (31) is fixed on the second support frame (3).

5. An overhead transmission line lightning protection device according to claim 4, wherein: and a second support ring (32) is fixed at the lower end of the insulator (31), and a power transmission line (33) penetrates through the second support ring (32).

6. An overhead transmission line lightning protection device according to claim 1, wherein: a lantern ring (4) is fixedly embedded into the top cross rod (11), and a threaded rod (42) penetrating through the lantern ring (4) is fixedly arranged on the lightning rod (12).

7. An overhead transmission line lightning protection device according to claim 6, wherein: the threaded rod (42) is provided with a threaded cap (41) in a threaded manner, and the threaded cap (41) is in contact and clinging to the top cross rod (11).