CN215221691U

CN215221691U - Lightning protection device for power transmission line

Info

Publication number: CN215221691U
Application number: CN202121300102.7U
Authority: CN
Inventors: 赵伟山
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-17
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to a lightning protection device technical field just discloses lightning protection device for power transmission line, include the bracing piece of being connected with ground, the top fixedly connected with of bracing piece puts the line board, the last fixed surface who puts the line board is connected with the line pole, the lightning-arrest line has been cup jointed to the bottom of line pole surface, the surface of lightning-arrest line is provided with maintains the subassembly, and the front side that is located left line board surface of putting has cup jointed the arrester through the fixed cover of first bolt. This lightning protection device for power transmission line, through being provided with the maintenance subassembly, when using, can fix the distance between the lightning conductor through maintaining the subassembly to make placing of lightning conductor more regular, be provided with locating component, when using, can adjust the length of head rod and second connecting rod through locating component, thereby make the maintenance subassembly can adjust and fix the distance between the lightning conductor, thereby improved the practicality of this device.

Description

Lightning protection device for power transmission line

Technical Field

The utility model relates to a lightning protection device technical field specifically is lightning protection device for power transmission line.

Background

The power transmission and distribution line is the foundation of a power system and is responsible for the important function of the normal operation of the power system, thunder is a natural discharge phenomenon and has huge destructiveness, the thunder is an important factor influencing the safety of the power transmission line, particularly in summer, the thunder occupies the first place of line fault tripping, the thunder is a natural phenomenon of atmospheric activity, the thunder is uncontrollable so far, according to practical data statistics, the amplitude of thunder overvoltage can reach about 400kV, the amplitude of thunder current can reach about 100kA, the high amplitude far exceeds the lightning withstand level of an overhead insulated line in a power distribution system of 35kV or below, if the amplitude of overvoltage is not limited, the overhead insulated line can not be safely operated, the protection range of the existing lightning protection structure is limited, lightning strokes in a certain range of a tower and the vicinity of the tower can only be guided and protected, when the lightning strokes occur on the line, the lightning protection mechanism has poor protection effect.

The Chinese patent application No. 201920116946.2 discloses a lightning protection device for power transmission lines, which comprises a lightning protection device arranged on towers, a plurality of lightning protection wires arranged between the towers, wherein the lightning protection wires are arranged in one-to-one correspondence with the power transmission lines, the lightning protection wires are positioned right above the power transmission lines, the extending direction of the lightning protection wires is the same as the length direction of the power transmission lines, a plurality of fixing devices are connected between the lightning protection wires and the power transmission lines, two ends of each lightning protection wire are respectively connected with the lightning protection device arranged on the towers, when the device is used for installing a grounding device, a spiral grounding part can be quickly pressed into the ground, the contact area between the grounding device and the lightning arrester is increased, the lightning arrester is installed through bolts, the maintenance and the replacement are convenient, and the lines are fixed through the fixing devices, so that the lines are placed more neatly, but the lightning protection device for the power transmission lines has more defects, wherein fixing device passes through the clamp and blocks the electric wire to keep the distance between the electric wire through the connecting rod, this fixed mode is not convenient for adjust according to the thickness and the interval of electric wire, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a lightning protection device for power transmission line has solved this lightning protection device for power transmission line that proposes in the above-mentioned background art and has had more defect, and wherein fixing device passes through the clamp and blocks the electric wire to keep the distance between the electric wire through the connecting rod, this fixed mode is not convenient for adjust according to the thickness and the interval of electric wire, the relatively poor problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: lightning protection device for power transmission line, include the bracing piece of being connected with ground, the top fixedly connected with of bracing piece puts the line board, the last fixed surface who puts the line board is connected with the line pole, the lightning conductor has been cup jointed to the bottom of line pole surface, the surface of lightning conductor is provided with maintains the subassembly, and the front side that is located left line board surface of putting has cup jointed the arrester through first bolt, the front side of putting line board upper surface is provided with the earth connection, the bottom fixedly connected with ground plate of earth connection, the lower fixed surface of ground plate is connected with the ground nail.

Preferably, the maintaining assembly comprises a first connecting rod, a second connecting rod is movably inserted into the inner end of the first connecting rod, a rotating seat is fixedly connected to the outer end of the first connecting rod and the inner end of the second connecting rod, a first fixing clamp and a second fixing clamp are respectively rotatably connected to the top and the bottom of the rotating seat, a first connecting block is fixedly connected to the middle of the outer surface of the first fixing clamp, a connecting strip is fixedly connected to the middle of the lower surface of the first connecting block, a second connecting block is fixedly connected to the middle of the outer surface of the second fixing clamp, a pressing plate is movably inserted into the middle of the second connecting block, a first spring is fixedly connected to the inner side surface of the pressing plate, clamping strips are fixedly connected to the inner wall of the pressing plate and the inner side surface of the connecting strip, a second bolt is screwed to the outer surface of the connecting strip, and a positioning hole is formed in the right side of the outer surface of the first connecting rod, the inside of second connecting rod outer end is provided with locating component, the inboard fixedly connected with lightning rod of first connecting rod surface.

Preferably, the locating component comprises a first partition plate, the inner side face of the first partition plate is fixedly connected with a supporting plate fixedly connected with the inner wall of a second connecting rod, the middle of the right side face of the first partition plate is fixedly connected with a second partition plate, the outer surface of the supporting plate and the outer surface of the second partition plate are both provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding mode, the inner side face of the sliding block is fixedly connected with a locating plate, the right side face of the locating plate is fixedly connected with a locating block, and the left side face of the locating plate is fixedly connected with a second spring.

Preferably, the lower surface of the wire placing plate is fixedly connected with a supporting frame, and the inner side surface of the supporting frame is fixedly connected with the top of the outer surface of the supporting rod.

Preferably, the outer surface of the ground nail is provided with external threads, the bottom end of the ground nail is conical, and the number of the ground nails is four.

Preferably, each group of the maintaining assembly comprises six groups of positioning holes, and the positioning blocks are matched with the positioning holes.

(III) advantageous effects

Compared with the prior art, the utility model provides a lightning protection device for power transmission line possesses following beneficial effect:

1. this lightning protection device for power transmission line, through being provided with the maintenance subassembly, when using, can fix the distance between the lightning conductor through maintaining the subassembly to make placing of lightning conductor more regular, be provided with locating component, when using, can adjust the length of head rod and second connecting rod through locating component, thereby make the maintenance subassembly can adjust and fix the distance between the lightning conductor, thereby improved the practicality of this device.

2. This lightning protection device for power transmission line is connected with putting the line board by first bolt through the arrester, when using, more enough more convenient changes the arrester to make this device operation more convenient, be provided with the ground nail, when using, the ground nail inserts in the earth's surface, thereby can increase the area of contact of ground plate and ground, thereby improve the electrically conductive effect of earth connection.

3. This lightning protection device for power transmission line uses through spout and slider cooperation for the removal of locating plate is more stable, thereby makes this device convenient and fast more when adjusting the distance between head rod and the second connecting rod, and then makes this device the staff of being more convenient for operate and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of the retaining member of the present invention;

fig. 3 is an exploded view of the positioning assembly of the present invention.

In the figure: 1. a support bar; 2. a wire placing plate; 3. a wire rod; 4. a lightning conductor; 5. a maintenance assembly; 501. a first connecting rod; 502. a second connecting rod; 503. a rotating seat; 504. a first fixing clip; 505. a second fixing clip; 506. a first connection block; 507. a connecting strip; 508. a second connecting block; 509. pressing a plate; 510. a first spring; 511. a second bolt; 512. positioning holes; 513. a lightning rod; 514. clamping the strip; 6. a lightning arrester; 7. a ground line; 8. a ground plate; 9. a positioning assembly; 901. a first separator; 902. a support plate; 903. a second separator; 904. a chute; 905. a slider; 906. positioning a plate; 907. positioning blocks; 908. a second spring; 10. and (5) ground nail.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the lightning protection device for the power transmission line comprises a support rod 1 connected with the ground, a wire placing plate 2 is fixedly connected to the top end of the support rod 1, a wire rod 3 is fixedly connected to the upper surface of the wire placing plate 2, a lightning conductor 4 is sleeved at the bottom of the outer surface of the wire rod 3, a maintaining component 5 is arranged on the outer surface of the lightning conductor 4, the maintaining component 5 is arranged, when the lightning protection device is used, the distance between the lightning conductors 4 can be fixed through the maintaining component 5, so that the lightning conductors 4 can be placed more regularly, a lightning arrester 6 is fixedly sleeved on the front side of the outer surface of the wire placing plate 2 on the left side through a first bolt, the lightning arrester 6 is connected with the wire placing plate 2 through the first bolt, when the lightning arrester 6 is used, the lightning arrester 6 can be replaced more conveniently, so that the device is operated more conveniently, a grounding wire 7 is arranged on the front side of the upper surface of the wire placing plate 2, and a grounding plate 8 is fixedly connected to the bottom end of the grounding wire 7, the ground nail 10 is fixedly connected to the lower surface of the ground plate 8, the ground nail 10 is arranged, and when the ground nail 10 is used, the ground nail 10 is inserted into the ground surface, so that the contact area of the ground plate 8 and the ground can be increased, and the conductive effect of the ground wire 7 is improved.

In the utility model, in order to make the structure of the device more complete, thereby the setting maintaining component 5 comprises a first connecting rod 501, a second connecting rod 502 is movably inserted at the inner end of the first connecting rod 501, a rotating base 503 is fixedly connected at the outer end of the first connecting rod 501 and the inner end of the second connecting rod 502, a first fixing clamp 504 and a second fixing clamp 505 are respectively rotatably connected at the top and the bottom of the rotating base 503, a first connecting block 506 is fixedly connected at the middle part of the outer surface of the first fixing clamp 504, a connecting strip 507 is fixedly connected at the middle part of the lower surface of the first connecting block 506, a second connecting block 508 is fixedly connected at the middle part of the outer surface of the second fixing clamp 505, a pressing plate is movably inserted at the middle part of the second connecting block 508, a first spring 510 is fixedly connected at the inner side surface of the pressing plate 509, a clamping strip 514 is fixedly connected at the inner wall of the pressing plate and the inner side surface of the connecting strip 507, a second bolt 511 is screwed at the outer surface of the connecting strip 507, locating hole 512 has been seted up on the right side of head rod 501 surface, the inside of second connecting rod 502 outer end is provided with locating component 9, be provided with locating component 9, when using, can adjust head rod 501 and second connecting rod 502's length through locating component 9, thereby make and maintain subassembly 5 can adjust and fix the distance between the lightning conductor 4, thereby the practicality of this device has been improved, the inboard fixedly connected with lightning rod 513 of head rod 501 surface, through maintaining the distance between the fixed lightning conductor 4 of subassembly 5 when using.

In the utility model, in order to further improve the structural integrity of the device, the positioning component 9 is arranged to comprise a first clapboard 901, the inner side surface of the first clapboard 901 is fixedly connected with a supporting plate 902 fixedly connected with the inner wall of the second connecting rod 502, the middle part of the right side surface of the first clapboard 901 is fixedly connected with a second clapboard 903, the outer surface of the supporting plate 902 and the outer surface of the second clapboard 903 are both provided with a chute 904, the inside of the chute 904 is slidably connected with a sliding block 905, the chute 904 is matched with the sliding block 905 for use, so that the positioning plate 906 can move more stably, the device can be more convenient and faster when the distance between the first connecting rod 501 and the second connecting rod 502 is adjusted, the device is further convenient for the operation and use of a worker, the inner side surface of the sliding block 905 is fixedly connected with the positioning plate 906, the right side surface of the positioning plate 906 is fixedly connected with a positioning block 907, the left side surface of the positioning plate 906 is fixedly connected with a second spring 908, and the distance between the lightning conductors 4 is adjusted by the positioning assembly 9 when in use.

The utility model discloses in, for making the structural connection of this device more firm to be connected with the support frame at the lower fixed surface who puts line board 2, and set up the medial surface of support frame and the top fixed connection of the 1 surface of bracing piece, support frame opposition line board 2 supports when using, makes it more stable.

In the utility model discloses in, in order to improve the practicality of this device to be provided with the external screw thread at the surface of ground nail 10, and set up the shape of ground nail 10 bottom and be conical, the quantity of ground nail 10 is four groups, inserts ground nail 10 in the soil when using.

The utility model discloses in, in order to improve the suitability of this device structure to set up every group and maintain and contain six groups of locating holes 512 in the subassembly 5, and locating piece 907 and locating hole 512 looks adaptation, locating piece 907 card is gone into in the locating hole 512 that corresponds when using, adjusts the length of head rod 501 and second connecting rod 502.

When in use, the length of the maintaining assembly 5 is adjusted by the positioning assembly 9, the positioning block 907 is pressed inward, the positioning block 907 drives the positioning plate 906 to press the second spring 908 inward, so that the positioning plate 906 drives the sliding block 905 to slide in the sliding slot 904, pulling the second connecting rod 502, the length of the maintaining assembly 5 is adjusted, and the positioning block 907 is locked into the corresponding positioning hole 512 after the length is determined, so as to fix the positions of the first connecting rod 501 and the second connecting rod 502, next, the first fixing clip 504 and the second fixing clip 505 are rotated to be fitted over the outer surface of the lightning conductor 4, the connection bar 507 is inserted into the second connection block 508, and the position of the connection bar 507 is fixed by the locking bar 514, thereby enabling the first and second retaining clips 504 and 505 to be adjusted according to the diameter of the lightning conductor 4, thereby improving the utility of the retaining assembly 5.

In summary, this lightning protection device for power transmission line through being provided with and maintaining subassembly 5, when using, can fix the distance between the lightning conductor 4 through maintaining subassembly 5 to make placing of lightning conductor 4 more regular, be provided with locating component 9, when using, can adjust the length of head rod 501 and second connecting rod 502 through locating component 9, thereby make and maintain subassembly 5 can adjust and fix the distance between the lightning conductor 4, thereby improved this device's practicality.

This lightning protection device for power transmission line is connected with putting line board 2 by first bolt through arrester 6, when using, more enough more convenient change arrester 6 to make this device operation more convenient, be provided with ground nail 10, when using, ground nail 10 inserts in the earth's surface, thereby can increase the area of contact on ground plate 8 and ground, thereby improve the electrically conductive effect of earth connection 7.

This lightning protection device for power transmission line uses through spout 904 and the cooperation of slider 905 for the removal of locating plate 906 is more stable, thereby makes this device convenient and fast more when adjusting the distance between head rod 501 and the second connecting rod 502, and then makes this device staff of being more convenient for operate and use.

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. Lightning protection device for power transmission line includes bracing piece (1) of being connected with ground, its characterized in that: the utility model discloses a wire board, including bracing piece (1), top fixedly connected with of bracing piece (1) puts line board (2), the last fixed surface who puts line board (2) is connected with line pole (3), lightning wire (4) have been cup jointed to the bottom of line pole (3) surface, the surface of lightning wire (4) is provided with maintains subassembly (5), and the front side that is located left line board (2) surface of putting has cup jointed arrester (6) through first bolt fastening, the front side of putting line board (2) upper surface is provided with earth connection (7), the bottom fixedly connected with ground plate (8) of earth connection (7), the lower fixed surface of ground plate (8) is connected with earth nail (10).

2. The lightning protection device for the transmission line according to claim 1, characterized in that: the maintaining assembly (5) comprises a first connecting rod (501), a second connecting rod (502) is movably inserted into the inner end of the first connecting rod (501), the outer end of the first connecting rod (501) and the inner end of the second connecting rod (502) are fixedly connected with a rotating seat (503), the top and the bottom of the rotating seat (503) are respectively and rotatably connected with a first fixing clamp (504) and a second fixing clamp (505), the middle of the outer surface of the first fixing clamp (504) is fixedly connected with a first connecting block (506), the middle of the lower surface of the first connecting block (506) is fixedly connected with a connecting strip (507), the middle of the outer surface of the second fixing clamp (505) is fixedly connected with a second connecting block (508), the middle of the second connecting block (508) is movably inserted with a pressing plate (509), and a first spring (510) is fixedly connected to the inner side surface of the pressing plate (509), the utility model discloses a lightning protection device, including clamp plate (509), the equal fixedly connected with card strip (514) of medial surface of inner wall and connecting strip (507) of clamp plate (509), the surface spiro union of connecting strip (507) has second bolt (511), locating hole (512) have been seted up on the right side of head rod (501) surface, the inside of second connecting rod (502) outer end is provided with locating component (9), the inboard fixedly connected with lightning rod (513) of head rod (501) surface.

3. The lightning protection device for the transmission line according to claim 2, characterized in that: the positioning assembly (9) comprises a first partition plate (901), a supporting plate (902) fixedly connected with the inner wall of a second connecting rod (502) is fixedly connected with the inner side surface of the first partition plate (901), a second partition plate (903) is fixedly connected with the middle of the right side surface of the first partition plate (901), sliding grooves (904) are formed in the outer surface of the supporting plate (902) and the outer surface of the second partition plate (903), a sliding block (905) is slidably connected inside the sliding grooves (904), a positioning plate (906) is fixedly connected with the inner side surface of the sliding block (905), a positioning block (907) is fixedly connected with the right side surface of the positioning plate (906), and a second spring (908) is fixedly connected with the left side surface of the positioning plate (906).

4. The lightning protection device for the transmission line according to claim 1, characterized in that: the lower surface of the wire placing plate (2) is fixedly connected with a supporting frame, and the inner side surface of the supporting frame is fixedly connected with the top of the outer surface of the supporting rod (1).

5. The lightning protection device for the transmission line according to claim 1, characterized in that: the outer surface of the ground nail (10) is provided with external threads, the bottom end of the ground nail (10) is conical, and the number of the ground nails (10) is four.

6. The lightning protection device for the transmission line according to claim 3, characterized in that: each group of the maintaining components (5) comprises six groups of positioning holes (512), and the positioning blocks (907) are matched with the positioning holes (512).