CN210517750U

CN210517750U - Lightning protection device for power distribution line

Info

Publication number: CN210517750U
Application number: CN201921962005.7U
Authority: CN
Inventors: 张浩然
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-05-12
Anticipated expiration: 2029-11-13

Abstract

A lightning protection device for a power distribution line comprises an installation block, a conductive rod, a lightning rod, a grounding wire and a plurality of insulators, wherein the installation block is fixedly connected with the conductive rod; a plurality of groups of first clamping pieces are arranged on the lower end surface of the mounting block; a plurality of first connecting plates are respectively arranged on the plurality of groups of first clamping pieces; the plurality of first connecting plates are respectively connected with the plurality of second connecting plates; the plurality of second connecting plates are respectively arranged on the plurality of groups of second clamping pieces; clamping spaces for clamping the power distribution lines are formed between the multiple groups of first clamping pieces and the multiple groups of second clamping pieces; the mounting block is provided with a hollow bin and a first threaded hole; one end of the conducting rod is screwed into the hollow bin; the lightning rod is screwed into the first threaded hole in a threaded manner, and the end face of the lightning rod, facing the conducting rod, is tightly pressed on the conducting rod; one end of the grounding wire is connected with the other end of the conducting rod, the grounding wire is sequentially wound on a plurality of groups of insulators, and the other end of the grounding wire is connected with the ground. The utility model is simple in operation convenient to use, can effectually avoid electric power distribution line to be damaged by the thunderbolt.

Description

Lightning protection device for power distribution line

Technical Field

The utility model relates to a distribution lines lightning protection technical field especially relates to a lightning protection device that electric power distribution line was used.

Background

With the increasing population quantity and the increasing variety of electric equipment in China, the demand for electricity utilization is increasing year by year; when the power distribution line is used for transmitting electric power, the power distribution line is easily subjected to electric shock of thunder and lightning, so that the power transmission line is damaged, and huge economic loss is brought; the existing lightning protection device for the transmission line has a complex structure and high cost, greatly increases the lightning protection cost of the transmission line, is inconvenient to install and increases the construction difficulty; therefore, the application provides a lightning protection device for a power distribution line.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a lightning protection device that electric power distribution lines was used easy operation convenient to use can effectually avoid electric power distribution lines to be damaged by the thunderbolt.

(II) technical scheme

In order to solve the problems, the utility model provides a lightning protection device for an electric power distribution line, which comprises an installation block, a first clamping piece, a first connecting plate, a second clamping piece, a conducting rod, a lightning rod, a grounding wire and a plurality of insulators arranged on an electric power distribution line iron tower;

the multiple groups of first clamping pieces are arranged on the same end face of the mounting block side by side, the end faces, far away from the mounting block, of the multiple groups of first clamping pieces are all set to be curved surfaces, and second elastic insulating pads are arranged on the end faces of the multiple groups of first clamping pieces; the multiple groups of first clamping pieces and the multiple groups of second clamping pieces are arranged in a one-to-one correspondence manner; the end surfaces of the plurality of groups of second clamping pieces, which face the plurality of groups of first clamping pieces one by one, are provided with curved surfaces, and the end surfaces of the plurality of groups of second clamping pieces are provided with first elastic insulating pads; the two first connecting plates are arranged on the outer peripheral surfaces of the first clamping pieces, and are symmetrically distributed by taking the central axis of the first clamping pieces as a center; the two second connecting plates are arranged on the outer peripheral surfaces of the group of second clamping pieces and are symmetrically distributed by taking the central axis of the second clamping pieces as the center;

the plurality of first connecting plates are respectively connected with the plurality of second connecting plates one by one, and clamping spaces for clamping the power distribution lines are formed between the plurality of groups of first clamping pieces and the plurality of groups of second clamping pieces;

the mounting block is internally provided with a hollow bin extending inwards along the central axis of the mounting block, and a vertical first threaded hole is formed in the mounting block along the direction vertical to the central axis of the mounting block; the first threaded hole is communicated with the hollow bin; the mounting block, the multiple groups of first clamping pieces and the multiple groups of second clamping pieces are all made of insulating materials;

one end of the conducting rod is screwed into the hollow bin; the lightning rod is screwed into the first threaded hole in a threaded manner, and the end face of the lightning rod, facing the conducting rod, is tightly pressed on the conducting rod; one end of the grounding wire is connected with the other end of the conducting rod, the grounding wire is sequentially wound on a plurality of groups of insulators, and the other end of the grounding wire is connected with the ground.

Preferably, a plurality of tightening pieces and a plurality of first nuts are included; each first connecting plate is provided with a vertical first through hole; each second connecting plate is provided with a vertical second through hole;

the plurality of fastening pieces respectively penetrate through the first through holes and the second through holes one by one in sequence, and the plurality of fastening pieces are respectively matched with the plurality of first nuts one by one in a threaded connection mode; the fastening piece presses the first connecting plate towards the end face of the first connecting plate; the first nut compresses tightly the second connecting plate towards the end face of the second connecting plate.

Preferably, the first elastic insulating pad and the second elastic insulating pad are made of insulating rubber materials.

Preferably, the projections of the first clamping piece and the second clamping piece are both fan-shaped rings.

Preferably, the mounting block, the first clamping member and the second clamping member are of an integral structure.

Preferably, the mounting block has a rectangular parallelepiped structure or a cylindrical structure.

Preferably, the conductive rod includes a first connection portion, a second connection portion, and a third connection portion for connection with the ground wire;

the two ends of the second connecting part are respectively and vertically connected with the first connecting part and the third connecting part, the diameter of the second connecting part is smaller than that of the first connecting part, and the diameter of the second connecting part is smaller than that of the third connecting part;

the outer peripheral surfaces of the first connecting portion and the third connecting portion are provided with external threads used for being matched with internal threads on the inner wall of the hollow bin, the diameter of the first connecting portion is the same as that of the third connecting portion, and the length of the first connecting portion is smaller than that of the third connecting portion.

Preferably, the second connection portion is provided with a second screw hole on an outer peripheral surface thereof for screw-coupling connection with the lightning rod.

Preferably, the third connecting part is in threaded connection with a second nut, and the third connecting part is provided with an installation plate; and a space for clamping the electric wire is formed between the end surface of the mounting plate facing the second nut and the second nut.

The above technical scheme of the utility model has following profitable technological effect:

in the utility model, when in use, the adjusting installation block is positioned above the power distribution line and is connected with the second connecting plate through the first connecting plate, so that the first clamping piece, the second clamping piece and the power distribution line are fixed together; installing a lightning rod on the installation block, wherein the lightning rod is vertically upward; one end of the grounding wire is connected with the conductive rod, the grounding wire is tightly wound on the insulators and grounded, when the power distribution line is struck by lightning, lightning current is sequentially transmitted along the lightning rod, the conductive rod and the grounding wire, and the lightning current is finally led into the ground along the grounding wire which is grounded, so that the power distribution line is prevented from being damaged by being struck by the lightning; this device convenient to use can effectually avoid the thunder and lightning to cause the electric shock to damage the power distribution line.

Drawings

Fig. 1 is the utility model provides a lightning protection device's that power distribution line used structural schematic diagram.

Fig. 2 is a right side view of the lightning protection device for the power distribution line provided by the utility model.

Fig. 3 is the utility model provides a three-dimensional structure sketch map of installation piece in the lightning protection device that power distribution line used.

Fig. 4 is a schematic perspective view of a conducting rod in a lightning protection device for a power distribution line according to the present invention.

Reference numerals: 1. mounting blocks; 101. a hollow bin; 102. a first threaded hole; 2. a first clamping member; 3. a tightening piece; 4. a first connecting plate; 5. a second connecting plate; 6. a first nut; 7. a second clamping member; 8. a power distribution line; 9. a first elastic insulating pad; 10. a second elastic insulating pad; 11. a conductive rod; 111. a first connection portion; 112. a second connecting portion; 113. a third connecting portion; 114. a second threaded hole; 12. a lightning rod; 13. a second nut; 14. and (7) mounting the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a lightning protection device for power distribution line, including installation piece 1, first clamping piece 2, first connecting plate 4, second connecting plate 5, second clamping piece 7, conducting rod 11, lightning rod 12, earth connection and a plurality of insulators for setting up on the power distribution line iron tower;

the multiple groups of first clamping pieces 2 are arranged on the same end face of the mounting block 1 side by side, the end faces, far away from the mounting block 1, of the multiple groups of first clamping pieces 2 are all set to be curved surfaces, and second elastic insulating pads 10 are arranged on the end faces of the multiple groups of first clamping pieces 2; the two first connecting plates 4 are arranged on the outer peripheral surfaces of the group of first clamping pieces 2, and the two first connecting plates 4 are symmetrically distributed by taking the central axis of the first clamping pieces 2 as a center;

the groups of first clamping pieces 2 and the groups of second clamping pieces 7 are arranged in a one-to-one correspondence manner; the end surfaces of the groups of second clamping pieces 7 facing the groups of first clamping pieces 2 are respectively provided with a curved surface, and the end surfaces of the groups of second clamping pieces 7 are provided with first elastic insulating pads 9; the two second connecting plates 5 are arranged on the outer peripheral surfaces of the group of second clamping pieces 7, and the two second connecting plates 5 are symmetrically distributed by taking the central axis of the second clamping pieces 7 as the center;

the plurality of first connecting plates 4 are respectively connected with the plurality of second connecting plates 5 one by one, and clamping spaces for clamping the power distribution wires 8 are formed between the plurality of groups of first clamping pieces 2 and the plurality of groups of second clamping pieces 7;

the mounting block 1 is internally provided with a hollow bin 101 extending inwards along the central axis thereof, and the mounting block 1 is provided with a vertical first threaded hole 102 along the direction vertical to the central axis thereof; the first threaded hole 102 is communicated with the hollow bin 101; the mounting block 1, the multiple groups of first clamping pieces 2 and the multiple groups of second clamping pieces 7 are all made of insulating materials;

one end of the conducting rod 11 is screwed into the hollow bin 101; the lightning rod 12 is screwed into the first threaded hole 102, and the lightning rod 12 presses the conducting rod 11 towards the end face of the conducting rod 11; one end of the grounding wire is connected with the other end of the conducting rod 11, the grounding wire is sequentially wound on a plurality of groups of insulators, and the other end of the grounding wire is connected with the ground.

In the utility model, when in use, the adjusting installation block 1 is positioned above the power distribution line 8 and is connected with the second connecting plate 5 through the first connecting plate 4, so that the first clamping piece 2, the second clamping piece 7 and the power distribution line 8 are fixed together; mounting a lightning rod 12 on the mounting block 1, wherein the lightning rod 12 is vertically upward; connect the one end and the conducting rod 11 of earth connection again, the earth connection is tightened and is twined on a plurality of insulators and ground, suffers the thunderbolt when electric power distribution line 8, and lightning current is carried along lightning rod 12, conducting rod 11 and earth connection in proper order, and lightning current is finally along the leading-in underground of earth connection that ground connection set up to avoid electric power distribution line 8 to be hit by the thunder and lightning and take place to damage.

In an alternative embodiment, a plurality of tightening pieces 3 and a plurality of first nuts 6 are included; wherein, each first connecting plate 4 is provided with a vertical first through hole; each second connecting plate 5 is provided with a vertical second through hole;

the plurality of fastening pieces 3 respectively penetrate through the first through holes and the second through holes one by one in sequence, and the plurality of fastening pieces 3 are respectively matched with the plurality of first nuts 6 in a threaded connection one by one; wherein the end face of the fastening piece 3 facing the first connecting plate 4 presses the first connecting plate 4; the first nut 6 presses the second connecting plate 5 towards the end face of the second connecting plate 5; tightly decide 3 and the cooperation of first nut 6 through the setting with first connecting plate 4 and second connecting plate 5 tightly decide, make things convenient for its dismantlement.

In an alternative embodiment, the first elastic insulating pad 9 and the second elastic insulating pad 10 are made of insulating rubber, and the first elastic insulating pad 9 and the second elastic insulating pad 10 are arranged to avoid damage to the power distribution line 8 when clamping the power distribution line 8.

In an alternative embodiment, the projections of the first holder 2 and the second holder 7 are both fan rings.

In an alternative embodiment, the mounting block 1, the first clamping member 2 and the second clamping member 7 are of unitary construction.

In an alternative embodiment, the mounting block 1 is of a cuboid or cylindrical configuration.

In an alternative embodiment, the conductive rod 11 includes a first connection portion 111, a second connection portion 112, and a third connection portion 113 for connection with a ground wire; the first connection portion 111, the second connection portion 112, and the third connection portion 113 for connection with the ground line are all cylindrical structures;

two ends of the second connection part 112 are respectively and vertically connected with the first connection part 111 and the third connection part 113, the diameter of the second connection part 112 is smaller than that of the first connection part 111, and the diameter of the second connection part 112 is smaller than that of the third connection part 113;

the outer peripheral surfaces of the first connecting part 111 and the third connecting part 113 are provided with external threads used for matching internal threads on the inner wall of the hollow bin 101, the diameter of the first connecting part 111 is the same as that of the third connecting part 113, and the length of the first connecting part 111 is smaller than that of the third connecting part 113; during the use, in screwing in hollow storehouse 101 with first connecting portion 111, thereby the length of first connecting portion 111 is short conveniently installs conducting rod 11 on installation piece 1 fast, at last with the one end screw in hollow storehouse 101 of third connecting portion 113 can.

In an alternative embodiment, the second connection portion 112 is provided with a second threaded hole 114 on the outer peripheral surface thereof for screw-coupling with the lightning rod 12; by screwing the lightning rod 12 to the second connection portion 112, the lightning current is ensured to be transmitted, and the stability of the lightning rod 12 is improved.

In an alternative embodiment, the third connecting portion 113 is screwed with the second nut 13, and the mounting plate 14 is arranged on the third connecting portion 113; a space for clamping the power connection wire is formed between the end surface of the mounting plate 14 facing the second nut 13 and the second nut 13; the electric wire is pressed between the second nut 13 and the mounting plate 14 by winding the electric wire at the space, and the grounding wire is electrically connected with the conductive rod 11; the process is simple to operate and convenient to use.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The lightning protection device for the power distribution line is characterized by comprising an installation block (1), a first clamping piece (2), a first connecting plate (4), a second connecting plate (5), a second clamping piece (7), a conducting rod (11), a lightning rod (12), a grounding wire and a plurality of insulators, wherein the insulators are arranged on a power distribution line iron tower;

the multiple groups of first clamping pieces (2) are arranged on the same end face of the mounting block (1) side by side, the end faces, far away from the mounting block (1), of the multiple groups of first clamping pieces (2) are all set to be curved surfaces, and second elastic insulating pads (10) are arranged on the end faces of the multiple groups of first clamping pieces (2); the groups of first clamping pieces (2) and the groups of second clamping pieces (7) are arranged in a one-to-one correspondence manner; the end surfaces of the groups of second clamping pieces (7) facing the groups of first clamping pieces (2) are respectively provided with a curved surface, and the end surfaces of the groups of second clamping pieces (7) are provided with first elastic insulating pads (9); the two first connecting plates (4) are arranged on the outer peripheral surfaces of the first clamping pieces (2), and the two first connecting plates (4) are symmetrically distributed by taking the central axis of the first clamping pieces (2) as the center; the two second connecting plates (5) are arranged on the outer peripheral surfaces of the group of second clamping pieces (7), and the two second connecting plates (5) are symmetrically distributed by taking the central axis of the second clamping pieces (7) as the center;

the first connecting plates (4) are respectively connected with the second connecting plates (5) one by one, and clamping spaces for clamping power distribution wires (8) are formed between the groups of first clamping pieces (2) and the groups of second clamping pieces (7);

the mounting block (1) is internally provided with a hollow bin (101) extending inwards along the central axis of the mounting block, and the mounting block (1) is provided with a vertical first threaded hole (102) along the direction vertical to the central axis of the mounting block; the first threaded hole (102) is communicated with the hollow bin (101); the mounting block (1), the multiple groups of first clamping pieces (2) and the multiple groups of second clamping pieces (7) are all made of insulating materials;

one end of the conducting rod (11) is screwed into the hollow bin (101); the lightning rod (12) is screwed into the first threaded hole (102) in a threaded manner, and the lightning rod (12) presses the conductive rod (11) towards the end face of the conductive rod (11); one end of the grounding wire is connected with the other end of the conductive rod (11), the grounding wire is sequentially wound on a plurality of groups of insulators, and the other end of the grounding wire is connected with the ground.

2. A lightning protection device for electric power distribution lines according to claim 1, characterized by comprising a plurality of tightening members (3) and a plurality of first nuts (6); wherein each first connecting plate (4) is provided with a vertical first through hole; each second connecting plate (5) is provided with a vertical second through hole;

the plurality of fastening pieces (3) respectively penetrate through the first through holes and the second through holes one by one in sequence, and the plurality of fastening pieces (3) are respectively matched with the plurality of first nuts (6) in a threaded connection one by one; wherein the fastening piece (3) presses the first connecting plate (4) towards the end face of the first connecting plate (4); the first nut (6) presses the second connecting plate (5) towards the end face of the second connecting plate (5).

3. A lightning protection device for electric power distribution lines according to claim 1, characterized in that the first elastic insulating pad (9) and the second elastic insulating pad (10) are made of insulating rubber.

4. A lightning protection device for electric power distribution lines according to claim 1, characterized in that the projections of the first (2) and second (7) clamps are fan-shaped rings.

5. A lightning protection device for an electric power distribution line according to claim 1, characterized in that the mounting block (1), the first clamping member (2) and the second clamping member (7) are of one piece construction.

6. A lightning protection device for electric power distribution lines according to claim 1, characterized in that the mounting block (1) is of rectangular parallelepiped or cylindrical configuration.

7. A lightning protection device for a power distribution line according to claim 1, characterized in that the conductive rod (11) comprises a first connection portion (111), a second connection portion (112) and a third connection portion (113) for connection to a ground wire;

two ends of the second connecting part (112) are respectively and vertically connected with the first connecting part (111) and the third connecting part (113), the diameter of the second connecting part (112) is smaller than that of the first connecting part (111), and the diameter of the second connecting part (112) is smaller than that of the third connecting part (113);

the outer peripheral surfaces of the first connecting part (111) and the third connecting part (113) are provided with external threads used for matching internal threads on the inner wall of the hollow bin (101), the diameter of the first connecting part (111) is the same as that of the third connecting part (113), and the length of the first connecting part (111) is smaller than that of the third connecting part (113).

8. The lightning protection device for the power distribution line according to claim 7, wherein the second connection portion (112) has a second screw hole (114) formed on an outer peripheral surface thereof for screw-coupling connection of the lightning rod (12).

9. The lightning protection device for an electric power distribution line according to claim 7, characterized in that the third connection portion (113) is screwed with the second nut (13), and the third connection portion (113) is provided with the mounting plate (14); a space for clamping the electric wire is formed between the end surface of the mounting plate (14) facing the second nut (13) and the second nut (13).