CN219350938U

CN219350938U - Lightning arrester for power transmission line

Info

Publication number: CN219350938U
Application number: CN202320710503.2U
Authority: CN
Inventors: 金冬; 杨盼盼; 李文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-07-14
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of lightning arresters, in particular to a lightning arrester of a power transmission line, which comprises a first lightning rod, wherein a metal semicircle is arranged below the first lightning rod, an iron ring is arranged on the periphery of the metal semicircle, a second lightning rod is arranged on the outer side of the iron ring, a fan blade is arranged at the outer end of the second lightning rod, a first iron column is arranged right below the metal semicircle, a bearing is arranged below the first iron column, and a second iron column is arranged below the bearing; this lightning arrester with transmission line is provided with second and draws thunder needle, flabellum, through borrowing wind-force, can blow the flabellum and drive the second and draw the thunder needle and rotate to can all-round drawing the thunder, at the in-process that whole lightning arrester was taken shelter from lightning, it is more comprehensive to take shelter from the lightning, avoided because can not more comprehensive lightning-arrest, the harm of bringing leads to the in-process cost increase of transmission of electricity and the danger to personnel bring.

Description

Lightning arrester for power transmission line

Technical Field

The utility model relates to the technical field of lightning arresters, in particular to a lightning arrester for a power transmission line.

Background

The overhead transmission line is a main transmission mode adopted by the development of the electric power industry, and is commonly called as an overhead transmission line, power stations, substations and load points in different areas are connected through the overhead transmission line to transmit or exchange electric energy to form power networks or power distribution networks with various voltage levels, the length of the line sometimes reaches hundreds of kilometers or more, so that the reasons for tripping faults of the transmission line are numerous, the tripping times caused by lightning strokes are the first of all tripping reasons, and therefore, lightning protection measures of the overhead transmission line are effectively formulated and improved, so that the lightning stroke tripping rate of the line is reduced, and the requirement for ensuring the safe and stable operation of a power system is met.

Various lightning arresters exist in the market, most of the lightning arresters for the power transmission line cannot achieve comprehensive lightning protection, and most of the lightning arresters for the power transmission line have a plurality of defects, so that the lightning arresters for the power transmission line are provided.

Disclosure of Invention

The utility model aims to provide a lightning arrester for a power transmission line, which aims to solve the problem that comprehensive lightning protection cannot be achieved in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a transmission line lightning arrester, includes first lightning rod, metal semicircle is installed to the below of first lightning rod, the hoop is installed to metal semicircle's periphery, the second lightning rod is installed in the outside of hoop, the flabellum is installed to the outer end of second lightning rod, install first iron prop under the metal semicircle, the bearing is installed to the below of first iron prop, the second iron prop is installed to the below of bearing, isolation silica gel is installed to the periphery of second iron prop, the earth connection is installed to the below of second iron prop, isolation silica gel's periphery is installed the offset plate, the upper surface mounting of offset plate has the spout, the internally mounted of spout has the slider, the rain-proof cover is installed to the top of slider, the fixed plate is installed at the both ends of offset plate, the pivot is installed to the other end of fixed plate, the clamp ring is installed in the outside of pivot, the screw that has the line, just the screw is installed to the one end of clamp ring.

Preferably, the first lightning guiding needle and the metal semicircle form a fixed structure, the inner surface of the iron ring is tightly attached to the outer surface of the metal semicircle, the second lightning guiding needle is uniformly distributed on the periphery of the iron ring, and the second lightning guiding needle and the fan blade form the fixed structure.

Preferably, the metal semicircle and the first iron column form a fixed structure, the first iron column and the second iron column form a rotating structure through a bearing, the outer surface of the second iron column is tightly attached to the inner surface of the isolation silica gel, and the second iron column and the ground wire form the fixed structure.

Preferably, the rubber plate forms a sliding structure through the sliding block and the sliding groove, and the sliding block and the rain cover form a fixed structure.

Preferably, the fixing plate and the clamping ring form a rotating structure through a rotating shaft, and the clamping ring forms a detachable structure through the action between the threaded screw and the nut.

Compared with the prior art, the utility model has the beneficial effects that;

1. the lightning arrester with the power transmission line is provided with the second lightning rod and the fan blades, and the fan blades can be blown to drive the second lightning rod to rotate by using wind power, so that the lightning can be guided in all directions, the lightning is more comprehensively prevented in the whole lightning arrester lightning-protection process, and the damage caused by the failure of more comprehensive lightning protection is avoided, so that the cost in the power transmission process is increased and the danger to personnel is avoided;

2. this have transmission line lightning arrester is provided with rain-proof cover, through electrician's external force, the slip of rethread slider in the spout to drive rain-proof cover and slide, when needs installation or dismantlement, can slide the rain-proof cover to one side and work, slide it to the normal position again when the installation is accomplished, can prevent the electric wire circuit break like this in the rainy day, let whole device more practical.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of a part of the structure of the present utility model.

In the figure: 1. a first lightning needle; 2. a metal semicircle; 3. an iron ring; 4. a second lightning needle; 5. a fan blade; 6. a first iron column; 7. a bearing; 8. a second iron column; 9. isolating the silica gel; 10. a ground wire; 11. a rubber plate; 12. a rain cover; 13. a slide block; 14. a chute; 15. a fixing plate; 16. a rotating shaft; 17. a clamping ring; 18. a screw with a thread; 19. and (5) a screw cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a transmission line lightning arrester, including first lightning rod 1, metal semicircle 2 is installed to the below of first lightning rod 1, iron ring 3 is installed to the periphery of metal semicircle 2, second lightning rod 4 is installed in the outside of iron ring 3, the flabellum 5 is installed to the outer end of second lightning rod 4, install first iron prop 6 under the metal semicircle 2, bearing 7 is installed to the below of first iron prop 6, second iron prop 8 is installed to the below of bearing 7, isolation silica gel 9 is installed to the periphery of second iron prop 8, earth connection 10 is installed to the below of second iron prop 8, rubber sheet 11 is installed to the periphery of isolation silica gel 9, spout 14 is installed to the upper surface of rubber sheet 11, slider 13 is installed to the internally mounted of spout 14, rain cover 12 is installed to the top of slider 13, fixed plate 15 is installed at the both ends of rubber sheet 11, pivot 16 is installed to the other end of fixed plate 15, clamp ring 17 is installed in the outside of pivot 16, screw 18 is installed to the one end of clamp ring 17, and screw cap 19 is installed to the below screw 19.

The first lightning rod 1 and the metal semicircle 2 form a fixed structure, the inner surface of the iron ring 3 is tightly attached to the outer surface of the metal semicircle 2, the second lightning rod 4 is uniformly distributed on the periphery of the iron ring 3, the second lightning rod 4 and the fan blades 5 form a fixed structure, the fan blades 5 can be blown to drive the second lightning rod 4 to rotate by wind power, so that the lightning rod can be guided in all directions, the lightning protection is more comprehensive in the lightning protection process of the whole lightning arrester, and the damage caused by the fact that the lightning protection cannot be more comprehensive is avoided.

The metal semicircle 2 and the first iron column 6 form a fixed structure, the first iron column 6 and the second iron column 8 form a rotating structure through the bearing 7, the outer surface of the second iron column 8 and the inner surface of the isolation silica gel 9 are tightly attached, the second iron column 8 and the grounding wire 10 form a fixed structure, the whole lightning guiding device above the metal semicircle can rotate through the bearing 7, so that current passes through the first iron column 6 and the second iron column 8, and finally lightning is discharged to the ground through the grounding wire 10.

The rubber plate 11 forms a sliding structure with the sliding groove 14 through the sliding block 13, and the sliding block 13 and the rain-proof cover 12 form a fixed structure, and the sliding of the sliding block 13 in the sliding groove 14 drives the rain-proof cover 12 to slide through the external force of electrician, so that the rain-proof cover 12 can be slid aside to work when the installation is needed or detached, and the rain-proof cover 12 can be slid to the original position again when the installation is completed, thus, the electric wire is prevented from being broken in a rainy day, and the whole device is more practical.

The fixing plate 15 and the clamping ring 17 form a rotating structure through the rotating shaft 16, the clamping ring 17 forms a detachable structure through the action between the threaded screw 18 and the nut 19, wires with different thicknesses are clamped through the clamping ring 17, and then the whole device is fixed on the wires through the threaded screw 18 and the nut 19.

Working principle: firstly, workers need to place the whole device at a place needing to be installed, then the workers can slide the sliding block 13 in the sliding groove 14 by the external force of electrician, so that the rain cover 12 is driven to slide, the rain cover 12 is slid aside to work, wires with different thicknesses are clamped through the clamping rings 17, the whole device is fixed on the wires through the threaded screws 18 and the nuts 19 and then slid to the original position, thus the wires are prevented from being broken in rainy days, then the fan blades 5 can be blown to drive the second lightning guide pins 4 to rotate by using wind force, the whole lightning guide device above can be rotated by the bearings 7, so that the lightning can be guided in all directions, the lightning protection is more comprehensive in the lightning protection process of the whole lightning protection device, finally, the current passes through the first iron columns 6 and the second iron columns 8, and finally the lightning is discharged to the ground through the grounding wire 10.

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

Claims

1. The utility model provides a transmission line lightning arrester, includes first lightning rod (1), its characterized in that: the utility model discloses a rain-proof device, including metal semicircle (2) is installed to the below of first thunder guiding needle (1), iron ring (3) is installed to the periphery of metal semicircle (2), second thunder guiding needle (4) is installed in the outside of iron ring (3), flabellum (5) is installed to the outer end of second thunder guiding needle (4), first iron column (6) are installed under metal semicircle (2), bearing (7) are installed to the below of first iron column (6), second iron column (8) are installed to the below of bearing (7), isolating silica gel (9) are installed to the periphery of second iron column (8), earth connection (10) are installed to the below of second iron column (8), rubber plate (11) are installed to the periphery of isolating silica gel (9), upper surface mounting of rubber plate (11) has spout (14), internally mounted of spout (14) has slider (13), rain-proof cover (12) are installed to the top of slider (13), two pivot (16) are installed to the periphery of second iron column (8), pivot (17) are installed to the pivot (16) are installed to the periphery (17), and a nut (19) is arranged below the threaded screw (18).

2. A transmission line lightning conductor according to claim 1, characterized in that: the first lightning guide needles (1) and the metal semicircle (2) form a fixed structure, the inner surface of the iron ring (3) is tightly attached to the outer surface of the metal semicircle (2), the second lightning guide needles (4) are uniformly distributed on the periphery of the iron ring (3), and the second lightning guide needles (4) and the fan blades (5) form the fixed structure.

3. A transmission line lightning conductor according to claim 1, characterized in that: the metal semicircle (2) and the first iron column (6) form a fixed structure, the first iron column (6) and the second iron column (8) form a rotating structure through the bearing (7), the outer surface of the second iron column (8) is tightly attached to the inner surface of the isolation silica gel (9), and the second iron column (8) and the grounding wire (10) form a fixed structure.

4. A transmission line lightning conductor according to claim 1, characterized in that: the rubber plate (11) forms a sliding structure with the sliding groove (14) through the sliding block (13), and the sliding block (13) and the rain cover (12) form a fixed structure.

5. A transmission line lightning conductor according to claim 1, characterized in that: the fixing plate (15) and the clamping ring (17) form a rotating structure through the rotating shaft (16), and the clamping ring (17) forms a detachable structure through the action between the threaded screw (18) and the screw cap (19).