CN214753193U

CN214753193U - Lightning arrester for high-voltage transmission line

Info

Publication number: CN214753193U
Application number: CN202121376364.1U
Authority: CN
Inventors: 李红序; 李蕴智
Original assignee: State Grid Henan Electric Power Co Biyang Power Supply Co
Current assignee: State Grid Henan Electric Power Co Biyang Power Supply Co
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-16
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a lightning-arrest technical field of circuit, concretely relates to high tension transmission line lightning arrester, including the dead lever, dead lever top surface one side is provided with the backup pad, backup pad medial surface fixedly connected with and dead lever sliding connection's support cover, it is provided with the arrester to support the cover medial surface, one side that the dead lever top surface deviates from the backup pad is provided with the screens frame. The utility model discloses in, it is connected with connecting rod one to rotate through one fixed block, two fixed blocks rotate and are connected with connecting rod two, with joint cover one with two equal joints of joint cover back on the arrester, can all connect on the fixed plate through screw one connecting rod one with two bottoms of connecting rod, connecting rod one like this can support two pairs of arresters with the joint cover through joint cover one with connecting rod two, be favorable to increasing the stability of arrester, the arrester is difficult to receive the external factor condition that becomes flexible appears, be favorable to the use of arrester.

Description

Lightning arrester for high-voltage transmission line

Technical Field

The utility model relates to a lightning-arrest technical field of line, concretely relates to high tension transmission line lightning arrester.

Background

In high-voltage transmission lines, in order to avoid great damage to the lines caused by lightning strikes, lightning arresters such as zinc oxide arresters are usually arranged on the lines, the zinc oxide arresters are arresters with good protection performance, the zinc oxide arresters can utilize the good nonlinear volt-ampere characteristic of zinc oxide, so that the current flowing through the arresters at normal working voltage is extremely small, when overvoltage acts, the resistance drops sharply, the energy of the overvoltage is discharged, and the protection effect is achieved.

When the existing lightning arrester is used, the lightning arrester is in a long strip shape and is only fixed to the bottom of the lightning arrester when being installed, so that the lightning arrester is easily influenced by factors such as external wind and the like after being installed, the lightning arrester is loosened, and the lightning arrester is not favorable for being used.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, an object of the utility model is to provide a high tension transmission line lightning arrester, it is connected with connecting rod one to rotate through one fixed block, two fixed blocks rotate and are connected with connecting rod two, with joint cover one with two equal joints of joint cover back on the arrester, can all connect on the fixed plate through screw one connecting rod one with two bottoms of connecting rod, connecting rod one like this can support two pairs of arresters with the joint cover through joint cover one with connecting rod two, be favorable to increasing the stability of arrester, the arrester is difficult to receive the not hard up condition of external factor appearance, be favorable to the use of arrester.

The purpose of the utility model can be realized by the following technical scheme:

a lightning arrester for a high-voltage transmission line comprises a fixed rod, wherein the fixed rod can be arranged on a high-voltage transmission tower, a supporting plate is arranged on one side of the top surface of the fixed rod, a supporting sleeve which is connected with the fixed rod in a sliding manner is fixedly connected to the inner side surface of the supporting plate, a lightning arrester is arranged on the inner side surface of the supporting sleeve, the supporting plate and the supporting sleeve can support the lightning arrester, a clamping frame is arranged on one side, away from the supporting plate, of the top surface of the fixed rod, two fixed plates are fixedly connected to the top surface of the clamping frame, screws I are screwed and connected to the inner side surfaces of the two fixed plates, clamping sleeves I are arranged on two sides of the top end of the side surface of the lightning arrester, fixed blocks I are fixedly connected to two ends of an arc side surface of each clamping sleeve, a connecting rod I is rotatably connected to one side of each clamping frame through a shaft rod, and the bottom end of each connecting rod is rotatably connected with one screw, the lightning arrester is characterized in that two sides of the central position of the side face of the lightning arrester are provided with two clamping sleeves, two fixing block two sides of the arc side faces of the clamping sleeves are fixedly connected with two fixing blocks, two fixing block two-phase backs on one side of the clamping frame are connected with two connecting rods through shaft rods in a rotating mode, the bottom ends of the two connecting rods are connected with a screw in a rotating mode, the screw I can connect the first connecting rod, the second connecting rod and the fixing plates with each other, the first connecting rod and the second connecting rod can support the lightning arrester through the first clamping sleeve and the clamping sleeves, the stability of the lightning arrester is increased, the lightning arrester is not prone to being loosened due to external factors, and the lightning arrester is beneficial to use of the lightning arrester.

Further, the method comprises the following steps: two connecting rod one is located between two fixed blocks two with one side, lies in and is provided with screw two with two fixed block sides of one side, can be with two adjacent fixed block one reciprocal anchorages through screw two, and is provided with screw three with two fixed block sides of one side, can fix two adjacent fixed block two reciprocal anchorages through screw three, can fix joint cover one and joint cover two on the arrester of unidimensional like this, and fixed comparatively simply convenient to use.

Further, the method comprises the following steps: a top surface fixedly connected with spacer sleeve of joint sleeve, spacer sleeve top surface fixedly connected with half sleeve pipe can make two spacer sleeves surround and block the top of arrester after two joint sleeve surround, can pass two half sleeve pipes with the electric wire and be connected with the arrester top, can avoid the rainwater to fall on the top of arrester like this to lead to the condition of corruption, convenient to use to appear in arrester top connecting piece.

Further, the method comprises the following steps: two dog one, two of the equal fixedly connected with of a fixed block opposite face and the contact of adjacent connecting rod one dog two, two dog two of the equal fixedly connected with of the two back of fixed block and the contact of adjacent connecting rod two, two the thread groove has all been seted up to one side that fixed block two deviates from dog two, can screw out first screw, rotate connecting rod one downwards and connecting rod two, then with screw one revolve the thread groove in, at this moment screw one, dog one can restrict connecting rod one with connecting rod two with dog two the position, be favorable to reducing the space that lightning arrester occupy, be convenient for remove and accomodate lightning arrester.

Further, the method comprises the following steps: the clamping frame is characterized in that sliding grooves are formed in two sides of the bottom surface of the clamping frame, sliding plates are slidably connected to the inner side surfaces of the sliding grooves, a first spring and a second spring are fixedly connected to the top surface of each sliding plate, a rectangular groove and a clamping plate are formed in the bottom of the side surface of each sliding plate, the rectangular groove is slidably connected to the clamping plate in contact with the bottom surface of the fixed rod, the limiting rods are fixedly connected to the bottom surface of each clamping plate in the rectangular groove and slidably connected to the bottom surface of the clamping plate under the action of the first spring, the limiting rods can be clamped on the bottom surface of the clamping plate, the clamping plate can be supported on the fixed rod, and the clamping frame is fixed on the fixed rod.

Further, the method comprises the following steps: the spread groove has all been seted up to two side both sides of backup pad, spread groove medial surface sliding connection has the sliding frame, sliding frame medial surface sliding connection has the kelly, kelly bottom top surface and dead lever bottom surface contact, the kelly can avoid backup pad and dead lever to break away from.

Further, the method comprises the following steps: slide frame medial surface fixedly connected with and kelly side fixed connection's three spring two, under the effect of spring two, can make the kelly keep the position, the draw-in groove with adjacent kelly contact is all seted up to the one side that lies in two spread groove medial surfaces adjacent with one side, can keep away from the kelly when the draw-in groove removes, can make the kelly top remove inside the slide frame, it is convenient like this to insert the dead lever with the support sleeve, then can make the kelly remove to the draw-in groove, at this moment under the effect of spring two, can make the kelly top remove in the draw-in groove, thereby make kelly bottom card on the backup pad bottom surface, it is comparatively simple to fix the backup pad on the dead lever, and convenient use.

Further, the method comprises the following steps: the utility model discloses a portable electronic device, including backup pad, U type pole, slip frame top surface fixedly connected with and adjacent U type pole side sliding connection's slip cap, the equal fixedly connected with in two sides of backup pad and the U type pole of adjacent two slip frame top surface contacts, slip frame top surface fixedly connected with and adjacent U type pole side sliding connection's slip cap, the slip cap can restrict the moving direction of slip frame, convenient to use.

The utility model has the advantages that:

1. the first connecting rod is rotatably connected with the first fixing block, the second connecting rod is rotatably connected with the second fixing block, the first clamping sleeve and the second clamping sleeve are clamped on the lightning arrester, and then the first connecting rod and the bottom end of the second connecting rod can be connected on the fixing plate through the first clamping sleeve and the second clamping sleeve, so that the first connecting rod and the second connecting rod can be supported by the lightning arrester through the first clamping sleeve and the second clamping sleeve, the stability of the lightning arrester is improved, the lightning arrester is not easy to loose due to external factors, and the lightning arrester is convenient to use;

2. the top surface of the blocking sleeve is fixedly connected with the blocking sleeve, the top surface of the blocking sleeve is fixedly connected with the half sleeve, the two blocking sleeves can surround and block the top of the lightning arrester after the two blocking sleeves surround, and an electric wire can penetrate through the two half sleeves to be connected with the top of the lightning arrester, so that rainwater can be prevented from falling on the top of the lightning arrester, a connecting piece at the top of the lightning arrester is corroded, and the use is convenient;

3. through the second spring fixedly connected with the inner side surface of the sliding frame and fixedly connected with the side surface of the clamping rod, the bottom of the clamping rod can be clamped on the fixed rod under the action of the second spring, and when the sliding frame is far away from the clamping groove to move, the top of the clamping rod can be moved into the sliding frame, so that the bottom of the clamping rod is separated from the fixed rod, and the fixing and detaching support plate is simple and convenient to use.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of a lightning arrester of a high-voltage transmission line of the utility model;

FIG. 2 is a schematic view of a part of the structure of the device of the present invention;

FIG. 3 is a side sectional view of the positioning frame of the present invention;

fig. 4 is a side view of a support plate in the present invention;

fig. 5 is a schematic view of the connecting groove structure of the present invention.

In the figure: 1. a lightning arrester; 2. a clamping sleeve I; 21. a blocking sleeve; 22. a first fixed block; 3. a first connecting rod; 4. a clamping frame; 41. a sliding plate; 42. a clamping plate; 43. a limiting rod; 44. a first spring; 45. a fixing plate; 46. a sliding groove; 5. a second clamping sleeve; 51. a second fixed block; 6. a second connecting rod; 7. a first screw; 8. a support plate; 81. a sliding frame; 82. a second spring; 83. a clamping rod; 84. a support sleeve; 85. connecting grooves; 86. a card slot; 87. a U-shaped rod; 9. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a lightning arrester for high-voltage transmission lines comprises a fixing rod 9, the fixing rod 9 can be arranged on a high-voltage transmission tower, a supporting plate 8 is arranged on one side of the top surface of the fixing rod 9, a supporting sleeve 84 slidably connected with the fixing rod 9 is fixedly connected to the inner side surface of the supporting plate 8, a lightning arrester 1 is arranged on the inner side surface of the supporting sleeve 84, the lightning arrester 1 can be supported by the supporting plate 8 and the supporting sleeve 84, a clamping frame 4 is arranged on one side of the top surface of the fixing rod 9, which is far away from the supporting plate 8, two fixing plates 45 are fixedly connected to the top surface of the clamping frame 4, screws 7 are screwed on the inner side surfaces of the two fixing plates 45, a clamping sleeve 2 is arranged on two sides of the top end of the side surface of the lightning arrester 1, fixing blocks 22 are fixedly connected to two ends of the arc-shaped side surface of the clamping sleeve 2, a connecting rod 3 is rotatably connected to the opposite surfaces of the two fixing blocks 22 on one side of the clamping frame 4 through a shaft rod, connecting rod 3 bottom is rotated with screw 7 and is connected, 1 side central point of arrester puts both sides and all is provided with joint cover two 5, the equal fixedly connected with fixed block two 51 in joint cover two 5 arc side both ends, two 51 looks backs of fixed block that are located screens frame 4 one side all rotate through the axostylus axostyle and are connected with connecting rod two 6, connecting rod two 6 bottoms close soon with screw 7 and are connected, screw one 7 can be with connecting rod one 3, connecting rod two 6 and fixed plate 45 interconnect, connecting rod one 3 can support arrester 1 through joint cover one 2 and joint cover two 5 with connecting rod two 6, be favorable to increasing the stability of arrester 1, arrester 1 is difficult to receive the not hard up condition of external factor appearance, be favorable to the use of arrester 1.

Two connecting rods one 3 are located between two fixed blocks two 51 of same side, lie in and be provided with screw two with two fixed block one 22 sides of same side, can be with two adjacent fixed block one 22 reciprocal anchorages through screw two, and be provided with screw three with two fixed block two 51 sides of same side, can fix two adjacent fixed block two 51 reciprocal anchorages through screw three, can fix joint cover one 2 and joint cover two 5 on the arrester 1 of not unidimensional like this, and fixed comparatively simply, convenient to use. The top surface fixedly connected with spacer sleeve 21 of joint sleeve one 2, half sleeve pipe of spacer sleeve 21 top surface fixedly connected with, two joint sleeve one 2 surround after can make two spacer sleeves 21 surround and block the top of arrester 1, can pass two half sleeve pipes with the electric wire and be connected with arrester 1 top, can avoid the rainwater to fall on the top of arrester 1 like this to lead to the condition of corruption, convenient to use to appear in the connecting piece of arrester 1 top.

Two first 22 opposite face equal fixedly connected with of fixed block and the dog one of 3 contacts of adjacent connecting rod, the dog two of two 51 equal fixedly connected with in back of fixed block and the dog two 6 contacts of adjacent connecting rod, the thread groove has all been seted up to one side that two 51 fixed block deviate from dog two, can unscrew screw one 7, rotate connecting rod one 3 and connecting rod two 6 downwards, then in revolving screw one 7 to the thread groove, at this moment screw one 7, dog one can restrict the position of connecting rod one 3 and connecting rod two 6 with dog two, be favorable to reducing the space that lightning arrester occupy, be convenient for remove and accomodate lightning arrester. Sliding tray 46 has all been seted up to screens frame 4 bottom surface both sides, sliding tray 46 medial surface sliding connection has sliding plate 41, sliding plate 41 top surface fixedly connected with and sliding tray 46 fixed connection's spring 44, rectangular groove has all been seted up to two sliding plate 41 side bottoms, two rectangular groove sliding connection have with the clamping plate 42 of dead lever 9 bottom surface contact, rectangular inslot bottom surface fixedly connected with and clamping plate 42 bottom surface sliding connection's gag lever post 43, under the effect of spring 44, can make and to make gag lever post 43 card on clamping plate 42 bottom surface, and make clamping plate 42 support on dead lever 9, thereby fix screens frame 4 on dead lever 9, connecting rod 3 and connecting rod two 6 can support arrester 1 like this, and fixed screens frame 4 is comparatively simple, and convenient to use.

Spread groove 85 has all been seted up to two side both sides of backup pad 8, and spread groove 85 medial surface sliding connection has sliding frame 81, and sliding frame 81 medial surface sliding connection has jamming rod 83, jamming rod 83 bottom top surface and the contact of dead lever 9 bottom surface, and jamming rod 83 can avoid backup pad 8 and dead lever 9 to break away from. Slide frame 81 medial surface fixedly connected with and two 82 of three spring of kelly 83 side fixed connection, under the effect of two 82 springs, can make kelly 83 keep the position, the draw-in groove 86 with adjacent kelly 83 contact is all seted up to the adjacent one side of two spread groove 85 medial surfaces that lie in same side, can keep away from kelly 83 when draw-in groove 86 removes, can make kelly 83 top remove inside slide frame 81, it inserts dead lever 9 to make things convenient for like this to support cover 84, then can make kelly 83 remove to draw-in groove 86, at this moment under the effect of two 82 springs, can make kelly 83 top remove in the draw-in groove 86, thereby make kelly 83 bottom card on 8 bottom surfaces of backup pad, it is comparatively simple to fix backup pad 8 on dead lever 9, and convenient use. Two sides of the supporting plate 8 are fixedly connected with U-shaped rods 87 contacting with the top surfaces of two adjacent sliding frames 81, the top surfaces of the sliding frames 81 are fixedly connected with sliding sleeves which are slidably connected with the side surfaces of the adjacent U-shaped rods 87, and the sliding sleeves can limit the moving direction of the sliding frames 81, so that the use is convenient.

The working principle is as follows: when the lightning arrester is used, an electric wire is connected with the top of the lightning arrester 1, two clamping sleeves I2 are surrounded on the top of the lightning arrester 1, two blocking sleeves 21 are surrounded with two half sleeves, the electric wire penetrates through the two half sleeves, two adjacent fixing blocks I22 are fixed with each other through screws II, so that the two clamping sleeves I2 are fixed with each other, two clamping sleeves II 5 are surrounded on the side wall of the lightning arrester 1, two adjacent fixing blocks II 51 are fixed with each other through screws III, so that the two clamping sleeves II 5 are fixed with each other, two connecting rods I3 and two connecting rods II 6 are both corresponding to the fixing plate 45, and the connecting rods I3 and II 6 are connected with the fixing plate 45 through screws I7;

the lightning arrester 1 is moved to the position of a fixed rod 9 arranged on a high-voltage tower, a sliding plate 41 is moved downwards to separate a limiting rod 43 from a clamping plate 42, then the clamping plate 42 can be drawn out from a rectangular groove, the lightning arrester 1 can be inserted into a supporting sleeve 84 at the moment, then the supporting sleeve 84 is inserted onto the fixed rod 9, meanwhile, the clamping frame 4 is clamped on the fixed rod 9, the sliding frame 81 is pulled to move the clamping rod 83 to a clamping groove 86, at the moment, the top of the clamping rod 83 can be moved into the clamping groove 86 under the action of a second spring 82, so that the bottom of the clamping rod 83 is clamped on the bottom surface of a supporting plate 8, the sliding plate 41 is moved downwards, the clamping plate 42 is re-inserted into the rectangular groove, then the sliding plate 41 is loosened, at the moment, under the action of a first spring 44, the limiting rod 43 can be clamped on the bottom surface of the clamping plate 42, the clamping plate 42 is abutted against the fixed rod 9, so that the clamping frame 4 is fixed on the fixed rod 9, at this time, the first connecting rod 3 and the second connecting rod 6 can support the lightning arrester 1 through the first clamping sleeve 2 and the second clamping sleeve 5.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. A lightning arrester for a high-voltage transmission line is characterized by comprising a fixed rod (9), wherein a supporting plate (8) is arranged on one side of the top surface of the fixed rod (9), a supporting sleeve (84) which is connected with the fixed rod (9) in a sliding manner is fixedly connected to the inner side surface of the supporting plate (8), a lightning arrester (1) is arranged on the inner side surface of the supporting sleeve (84), a clamping frame (4) is arranged on one side, away from the supporting plate (8), of the top surface of the fixed rod (9), two fixing plates (45) are fixedly connected to the top surface of the clamping frame (4), screws (7) are screwed on the inner side surfaces of the two fixing plates (45), clamping sleeves (2) are arranged on two sides of the top end of the side surface of the lightning arrester (1), fixing blocks (22) are fixedly connected to two ends of the arc-shaped side surface of each clamping sleeve (2), and connecting rods (3) are rotatably connected to opposite surfaces of the two fixing blocks (22) on one side of the clamping frame (4) through shaft levers, the connecting rod (3) bottom is rotated with screw (7) and is connected, arrester (1) side central point puts both sides and all is provided with joint cover two (5), the equal fixedly connected with fixed block two (51) in joint cover two (5) arc side both ends, two fixed block two (51) looks backs that are located screens frame (4) one side all rotate through the axostylus axostyle and are connected with connecting rod two (6), connecting rod two (6) bottoms close with screw (7) soon and are connected.

2. The lightning protection device for the high-voltage transmission line according to claim 1, wherein the two first connecting rods (3) are located between the two second fixing blocks (51) on the same side, the second screws are arranged on the side surfaces of the two first fixing blocks (22) on the same side, and the third screws are arranged on the side surfaces of the two second fixing blocks (51) on the same side.

3. The lightning protection device for the high-voltage transmission line according to claim 1, characterized in that a blocking sleeve (21) is fixedly connected to the top surface of the first clamping sleeve (2), and a half sleeve is fixedly connected to the top surface of the blocking sleeve (21).

4. The lightning protection device for the high-voltage transmission line according to claim 1, wherein opposite surfaces of the two first fixing blocks (22) are fixedly connected with a first stop block in contact with an adjacent first connecting rod (3), opposite surfaces of the two second fixing blocks (51) are fixedly connected with a second stop block in contact with an adjacent second connecting rod (6), and one sides of the two second fixing blocks (51) away from the second stop block are provided with thread grooves.

5. The lightning arrester of high-voltage transmission line according to claim 1, characterized in that two sides of the bottom surface of the clamping frame (4) are respectively provided with a sliding groove (46), the inner side surface of the sliding groove (46) is slidably connected with a sliding plate (41), the top surface of the sliding plate (41) is fixedly connected with a first spring (44) fixedly connected with the sliding groove (46), two side surfaces of the sliding plate (41) are respectively provided with a rectangular groove, the two rectangular grooves are slidably connected with clamping plates (42) in contact with the bottom surfaces of the fixing rods (9), and the inner bottom surfaces of the rectangular grooves are fixedly connected with limiting rods (43) slidably connected with the bottom surfaces of the clamping plates (42).

6. The lightning protection device for the high-voltage transmission line according to claim 1, wherein two sides of the support plate (8) are respectively provided with a connecting groove (85), the inner side surface of the connecting groove (85) is slidably connected with a sliding frame (81), the inner side surface of the sliding frame (81) is slidably connected with a clamping rod (83), and the top surface of the bottom of the clamping rod (83) is in contact with the bottom surface of the fixing rod (9).

7. The lightning arrester of high-voltage transmission line according to claim 6, characterized in that the inner side of the sliding frame (81) is fixedly connected with three second springs (82) fixedly connected with the side of the clamping rod (83), and the adjacent sides of the inner sides of the two connecting grooves (85) on the same side are provided with clamping grooves (86) contacting with the adjacent clamping rod (83).

8. The lightning protection device for the high-voltage transmission line according to claim 6, wherein the two side surfaces of the supporting plate (8) are fixedly connected with U-shaped rods (87) which are in contact with the top surfaces of two adjacent sliding frames (81), and the top surfaces of the sliding frames (81) are fixedly connected with sliding sleeves which are in sliding connection with the side surfaces of the adjacent U-shaped rods (87).