CN219321114U

CN219321114U - Lightning-protection insulator

Info

Publication number: CN219321114U
Application number: CN202320198787.1U
Authority: CN
Inventors: 杨增亮
Original assignee: Sichuan Teklee Electric Co ltd
Current assignee: Sichuan Teklee Electric Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-07
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to the technical field of insulators, and discloses a lightning protection insulator, which comprises an insulator, wherein a hardware fitting is fixedly connected to the top of the insulator, and the lightning protection insulator is provided with: the adjusting mechanism comprises: the top bottom of the top plate is fixedly connected with the top of the hardware fitting, the bottoms of the two connecting plates are sequentially and fixedly connected to the front side and the rear side of the top plate, and one end of the support arm is hinged between the two connecting plates through a bolt. When setting up perpendicularly through insulator and cross arm, the screw runs through the mounting hole of cross arm and base bottom and fixes, support arm rotation perpendicular to roof to through the bolt fastening, make the cable pass the cassette and support, during insulator and cross arm parallel arrangement, the screw runs through mounting hole and the cross arm of base lateral wall and carries out fixed mounting, and rotatory support arm is on a parallel with the roof, makes the cable pass the cassette and supports, changes the mounting means of insulator according to the installation requirement of difference, avoids changing different holders and link fitting, improves the convenience.

Description

Lightning-protection insulator

Technical Field

The utility model relates to the technical field of insulators, in particular to a lightning protection insulator.

Background

The insulator and the lightning arrester are separated from each other and are simultaneously arranged on the transformer substation and the transmission line in parallel in different forms, wherein the insulator only plays roles of supporting weight and insulation, and the lightning arrester provides insulation and discharging functions and does not bear the weight of the line.

According to chinese patent publication No. CN215680262U, this patent relates to an integral type arrester insulator, including insulator body and insulating pillar, the insulator body is fixed to be set up on insulating pillar, and the insulator body includes connector, plug, backing bar and annular blocking piece, and the one end of connector is embedded in the plug, and the connector meets with the backing bar, and the below of backing bar is fixed to be provided with annular blocking piece, and the both sides of insulator body are all fixed to be provided with discharge electrode, and discharge electrode's top is fixed to be provided with discharge ball, can set up the practicality that has improved the device in multiple occasion.

However, the mounting modes adopted by the insulators of each layer on the cross arm of the power transmission frame are different, and meanwhile, the corresponding clamping seat and the connecting fitting are required to be replaced according to cables with different calibers, so that the power transmission frame is not convenient and fast.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a lightning insulator.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lightning-arrest insulator, includes the insulator, the top fixedly connected with gold utensil of insulator to be provided with:

an adjustment mechanism comprising:

the bottom of the top plate is fixedly connected with the top of the hardware fitting;

the bottoms of the two connecting plates are sequentially and fixedly connected to the front side and the rear side of the top plate;

one end of the support arm is hinged between the two connecting plates through a bolt;

the first threaded holes are sequentially formed in the top of the support arm;

the clamping seat is fixedly arranged at one end of the support arm far away from the bolt;

one end of each screw rod is threaded through the space between the inner walls of the clamping seats;

the two clamping pieces are respectively and fixedly arranged at the penetrating ends of the two screws and are simultaneously connected to the inner wall of the clamping seat in a sliding manner;

the first baffle is fixedly arranged on the left side of the top plate;

the second baffle is fixedly arranged on the right side of the top plate;

the number of the threaded holes is four, and each two threaded holes are respectively formed in the first baffle plate and the second baffle plate.

Preferably, bolts are arranged between the two threaded holes II and the two threaded holes I on the right, and the number of the bolts is two, and each bolt penetrates through each threaded hole I and each threaded hole II through threads. The support arm is fastened on the first baffle plate or the second baffle plate by arranging a bolt to penetrate through the first threaded hole and the second threaded hole.

Preferably, the outer wall fixed cover of gold utensil is equipped with one side of copper bar, the connecting hole has been seted up to the opposite side of copper bar, the inner wall fixedly connected with porcelain sleeve's of connecting hole one end, the inside of porcelain sleeve is provided with zinc oxide valve block. By arranging the hardware fitting and the copper bars to keep electrical connectivity, the zinc oxide valve plate has the characteristics of high pressure and low resistance.

Preferably, the bottom fixed mounting of insulator has the base, two ear end lateral walls of base, two ear end bottoms have all seted up the mounting hole, the other end fixed connection of porcelain sleeve is at the outer wall top of base. The screw penetrates through the mounting hole of the side wall of the base or the mounting hole of the bottom for fixed mounting.

Compared with the prior art, the utility model provides a lightning protection insulator, which has the following beneficial effects:

1. this lightning-arrest insulator, when setting up perpendicularly through insulator and cross arm, the screw runs through the mounting hole of cross arm and base bottom and fixes, support arm rotation perpendicular to roof, and through bolt fastening, make the cable pass the holder and support, insulator and cross arm parallel arrangement, the screw runs through mounting hole and the cross arm of base lateral wall and carries out fixed mounting, rotatory support arm is on a parallel with the roof, make the cable pass the holder and support, the mounting means of insulator is changed according to the installation demand of difference, avoid changing different holders and link fitting, improve the convenience.

2. According to the lightning-protection insulator, the electric connectivity is kept through the hardware fitting and the copper bar, the porcelain sleeve guides voltage, the voltage is low in resistance according to the characteristic high pressure of the zinc oxide valve plate, the voltage can be smoothly guided to the base, and the voltage is discharged into the ground through the power transmission line frame, so that lightning protection is effectively achieved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the adjusting mechanism of the present utility model;

fig. 3 is a schematic structural view of a top plate according to the present utility model.

In the figure: 1. an insulator; 2. fitting hardware; 3. an adjusting mechanism; 301. a top plate; 302. a connecting plate; 303. a support arm; 304. a first threaded hole; 305. a clamping seat; 306. a screw; 307. a clamping piece; 308. a first baffle; 309. a second baffle; 310. a threaded hole II; 4. a copper bar; 5. a porcelain sleeve; 6. a base; 7. and (5) mounting holes.

Description of the embodiments

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.

Examples

As shown in fig. 1-3, the utility model provides a lightning protection insulator, which comprises an insulator 1, wherein a hardware fitting 2 is fixedly connected to the top of the insulator 1, and is provided with: the adjusting mechanism 3 includes: the bottom of the top plate 301 is fixedly connected with the top of the hardware fitting 2, the bottoms of the two connecting plates 302 are sequentially and fixedly connected to the front side and the rear side of the top plate 301, one end of the support arm 303 is hinged between the two connecting plates 302 through bolts, four first threaded holes 304 are sequentially formed in the top of the support arm 303, the clamping seat 305 is fixedly mounted at one end, far away from the bolts, of the support arm 303, one end of each of the two threaded rods 306 is threaded between the inner walls of the clamping seat 305, the two clamping pieces 307 are fixedly mounted at the penetrating ends of the two threaded rods 306 and are simultaneously and slidably connected to the inner walls of the clamping seat 305, the first baffle 308 is fixedly mounted on the left side of the top plate 301, the second baffle 309 is fixedly mounted on the right side of the top plate 301, four threaded holes 310 are formed in number, each of the two baffle 308 and the second baffle 309 are formed in number, bolts are arranged between the two first threaded holes 310 and the right two threaded holes 304, each bolt is threaded through each of the first threaded holes 304 and the second threaded holes 310, the bolts penetrate through the threaded holes 304 and the second threaded holes 310, and fasten the support arm 303 on the first baffle 308 or the second baffle 309.

In this embodiment, when setting up perpendicularly through insulator 1 and cross arm, the screw runs through the mounting hole 7 of cross arm and base 6 bottom and fixes, support arm 303 rotatory perpendicular to roof 301 to through the bolt fastening, make the cable pass holder 305 and support, when insulator 1 and cross arm parallel arrangement, the screw runs through mounting hole 7 and the cross arm of base 6 lateral wall and carries out fixed mounting, rotatory support arm 303 is on a parallel with roof 301, make the cable pass holder 305 and support, change the mounting means of insulator 1 according to the installation demand of difference, avoid changing different holders 305 and link fitting 2, improve the convenience.

Examples

As shown in fig. 1, on the basis of the first embodiment, the present utility model provides a technical solution: preferably, the outer wall fixed cover of gold utensil 2 is equipped with one side of copper bar 4, the connecting hole has been seted up to the opposite side of copper bar 4, the one end of the inner wall fixedly connected with porcelain sleeve 5 of connecting hole, the inside of porcelain sleeve 5 is provided with the zinc oxide valve block, gold utensil 2 and copper bar 4 keep electric connectivity, the zinc oxide valve block has the characteristic of high pressure low resistance, the bottom fixed mounting of insulator 1 has base 6, mounting hole 7 has all been seted up to two ear end lateral walls of base 6, two ear end bottoms, the other end fixed connection of porcelain sleeve 5 is at the outer wall top of base 6, the screw runs through the mounting hole 7 of base 6 lateral wall or the mounting hole 7 of bottom and carries out fixed mounting.

In the embodiment, the electric connectivity is kept through the hardware fitting 2 and the copper bar 4, the porcelain sleeve 5 guides the voltage, the voltage is low in resistance according to the characteristic high pressure of the zinc oxide valve plate, the voltage can be smoothly guided to the base 6, and the voltage is discharged into the ground through the power transmission line frame, so that lightning protection is effectively achieved.

The working principle of the lightning protection insulator is specifically described below, when the lightning protection insulator is used, the insulator 1 is arranged on a power transmission frame, the base 6 contacts with the cross arm, when the insulator 1 and the cross arm are vertically arranged, the cross arm and the mounting hole 7 at the bottom of the base 6 are penetrated through by a screw to be fixed, the bolt is unscrewed, the support arm 303 is rotated between the two connecting plates 302 to be perpendicular to the top plate 301, the bolt penetrates through the left two threaded holes 304 and the two threaded holes 310 on the first baffle 308 to be fastened, at this time, the cable penetrates through the clamping seat 305 to be fastened, the screw 306 is fastened, the clamping piece 307 is promoted to clamp the cable, the hardware fitting 2 and the copper bar 4 keep electrical connectivity, when the high voltage and the lightning strike are met, the voltage can be smoothly guided to the base 6 through the porcelain sleeve 5, and discharged to the ground through the power transmission frame, when the insulator 1 and the cross arm are arranged in parallel, the screw penetrates through the mounting hole 7 at the side wall of the base 6 to be fixedly mounted, the support arm 303 is rotated to be parallel to the top plate 301, and the bolt penetrates through the right two threaded holes 304 and the two threaded holes 310 to be fixed to the second baffle 310 to be convenient for supporting and stabilizing the cable.

Claims

1. A lightning protection insulator comprising an insulator (1), characterized in that: the top fixedly connected with gold utensil (2) of insulator (1) to be provided with:

an adjusting mechanism (3) comprising:

the bottom of the top plate (301) is fixedly connected with the top of the hardware fitting (2);

the bottoms of the two connecting plates (302) are sequentially and fixedly connected to the front side and the rear side of the top plate (301);

one end of the support arm (303) is hinged between the two connecting plates (302) through a bolt;

the first threaded holes (304) are sequentially formed in the top of the support arm (303);

the clamping seat (305) is fixedly arranged at one end of the supporting arm (303) far away from the bolt;

one end of each screw rod (306) is threaded through the space between the inner walls of the clamping seat (305);

the two clamping pieces (307) are respectively and fixedly arranged at the penetrating ends of the two screw rods (306) and are simultaneously connected to the inner wall of the clamping seat (305) in a sliding manner;

the first baffle (308) is fixedly arranged on the left side of the top plate (301);

the second baffle (309) is fixedly arranged on the right side of the top plate (301);

four threaded holes (310) are formed in the number of the first baffle plate (308) and the second baffle plate (309) respectively.

2. A lightning insulator according to claim 1, wherein: bolts are arranged between the two threaded holes II (310) and the two threaded holes I (304) on the right, the number of the bolts is two, and each bolt penetrates through each threaded hole I (304) and each threaded hole II (310) in a threaded mode.

3. A lightning insulator according to claim 1, wherein: the outer wall fixed cover of gold utensil (2) is equipped with one side of copper bar (4), the connecting hole has been seted up to the opposite side of copper bar (4), the one end of the inner wall fixedly connected with porcelain sleeve (5) of connecting hole, the inside of porcelain sleeve (5) is provided with zinc oxide valve block.

4. A lightning insulator according to claim 3, wherein: the bottom fixed mounting of insulator (1) has base (6), mounting hole (7) have all been seted up to two ear end lateral walls, two ear end bottoms of base (6), the other end fixed connection of porcelain sleeve (5) is at the outer wall top of base (6).