CN211319849U

CN211319849U - Anti-drop formula composite insulator

Info

Publication number: CN211319849U
Application number: CN202020250712.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Shandong Laiwu Porcelain Insulators Co ltd
Current assignee: Shandong Laiwu Porcelain Insulators Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-08-21
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses an anti-drop composite insulator, including insulator body and cable frame, the middle part of insulator body is the insulated column, the upper end of cable frame is fixed with spacing steel sheet, the lower extreme middle part welding of spacing steel sheet has the spliced pole, the last spliced pole perforation of having seted up of cable frame, the lower extreme of spliced pole passes the spliced pole perforation and fixedly connected with trapezoidal piece, the lower extreme welding of trapezoidal piece has the connecting pipe, the insulated column inserts in the connecting pipe from bottom to top, the both sides middle part of connecting pipe has all seted up the locking hole, the locking piece has the one end of inclined plane all to block in the corresponding locating hole; the utility model discloses can realize the swift installation of insulator, the convenience of later stage dismantlement also obtains improving moreover, compares current mounting means, and fine anti-drop effect can also be realized to this connected mode, avoids the insulator to take place the obscission, prevents the emergence of potential safety hazard.

Description

Anti-drop formula composite insulator

Technical Field

The utility model relates to an insulator technical field specifically is an anti-drop formula composite insulator.

Background

The insulator is a device which is arranged between conductors with different electric potentials or between the conductor and a grounding component and can bear the action of voltage and mechanical stress, and the insulator can play an important role in an overhead transmission line;

in the prior art, the end metal part of the insulator has a simple structure, is connected with the cable frame in a single way, is easy to fall off in strong wind weather, has certain potential safety hazard, and has poor installation convenience and low installation and disassembly efficiency between the existing insulator and the cable frame; therefore, the anti-drop composite insulator is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-drop formula composite insulator to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-falling composite insulator comprises an insulator body and a cable frame, wherein an insulating column is arranged in the middle of the insulator body, a limiting steel plate is fixed at the upper end of the cable frame, a connecting column is welded in the middle of the lower end of the limiting steel plate, a connecting column perforation is formed in the cable frame, the lower end of the connecting column penetrates through the connecting column perforation and is fixedly connected with a trapezoidal block, a connecting pipe is welded at the lower end of the trapezoidal block, the insulating column is inserted into the connecting pipe from bottom to top, locking holes are formed in the middle parts of two sides of the connecting pipe, semi-sealing pipes are welded at the positions, located at the locking holes, of the outer sides of the connecting pipe, a locking block is movably inserted at one end of each semi-sealing pipe with an opening, a guide rod is fixedly connected in the middle part of the rear side of the locking block, a through hole is formed in the middle part of the closed, the equal fixed cover in the outside that is close to the latch segment on the guide bar is equipped with the spacing lantern ring, the one end of keeping away from the spacing lantern ring in the semi-enclosed tube all is fixed with the limiting plate, the round hole that is used for the guide bar to pass is all seted up at the middle part of limiting plate, all be connected with the spring between limiting plate and the spacing lantern ring, and the equal cover of spring is established in the outside of guide bar, the locating hole has all been seted up to the both sides that the insulating column inserted in the connecting pipe, the inclined plane has all been seted up to the front end downside of latch segment, the one end that the latch segment has.

Preferably, the screw rods are welded on two sides of the lower end of the limiting steel plate, screw rod through holes are formed in two sides, located in the connecting column through holes, of the cable frame, the screw rods penetrate through the corresponding screw rod through holes and are locked and fixed at the lower end of the cable frame through locking screw caps.

Preferably, the jack has been seted up at the upper end middle part of trapezoidal piece, the lower extreme of spliced pole is inserted and is established in the spliced pole, and through the high strength bolt that transversely runs through between spliced pole and the trapezoidal piece fixed, hidden hole has all been seted up at the both ends of trapezoidal piece, the tip of high strength bolt and the nut that matches are located two respectively and hide the hole.

Preferably, the limiting steel plate is a square steel plate, and the side length of the limiting steel plate is larger than the aperture of the connecting column through hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, this prevent falling formula composite insulator, through fixing spacing steel sheet in the cable frame upper end earlier, connect fixed trapezoidal piece and connecting pipe at the spliced pole lower extreme, only need insert the connecting pipe in the insulated column upper end during the installation, go into the locating hole of insulated column both sides from locking-type latch segment card through the telescopic, can realize the swift installation of insulator, and the convenience of later stage dismantlement also obtains improving, compare current mounting means, fine anti-drop effect can also be realized to this connected mode, avoid the insulator to take place the obscission, prevent the emergence of potential safety hazard.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: insulator body 1, insulating column 2, cable frame 3, spacing steel sheet 4, spliced pole perforation 5, screw rod perforation 6, screw rod 7, lock nut 8, spliced pole 9, connecting pipe 10, trapezoidal piece 11, jack 12, high strength bolt 13, locating hole 14, locking hole 15, latch segment 16, half a tub of 17, guide bar 18, spacing lantern ring 19, limiting plate 20, pulling piece 21, spring 22.

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: an anti-falling composite insulator comprises an insulator body 1 and a cable frame 3, wherein an insulating column 2 is arranged in the middle of the insulator body 1, a limiting steel plate 4 is fixed at the upper end of the cable frame 3, screw rods 7 are welded on two sides of the lower end of the limiting steel plate 4, screw rod through holes 6 are formed in two sides of a connecting column through hole 5 on the cable frame 3, the screw rods 7 penetrate through the corresponding screw rod through holes 6 and are locked and fixed at the lower end of the cable frame 3 through locking nuts 8, the limiting steel plate 4 is a square steel plate, the side length of the limiting steel plate 4 is larger than the aperture of the connecting column through hole 5, the limiting steel plate 4 cannot penetrate through the connecting column through hole 5, the limiting steel plate 4 is fixed at the upper end of the cable frame 3 through the screw rods 7 and the locking nuts 8;

a connecting column 9 is welded in the middle of the lower end of the limiting steel plate 4, a connecting column through hole 5 is formed in the cable frame 3, the lower end of the connecting column 9 penetrates through the connecting column through hole 5 and is fixedly connected with a trapezoidal block 11, a jack 12 is formed in the middle of the upper end of the trapezoidal block 11, the lower end of the connecting column 9 is inserted into the connecting column 9, the connecting column 9 and the trapezoidal block 11 are fixed through a high-strength bolt 13 which transversely penetrates through the connecting column and the trapezoidal block, hidden holes are formed in two ends of the trapezoidal block 11, the end part of the high-strength bolt 13 and a matched nut are respectively located in the two hidden holes, high-strength connection can be achieved;

the lower end of the trapezoidal block 11 is welded with a connecting pipe 10, the insulating column 2 is inserted into the connecting pipe 10 from bottom to top, the middle parts of both sides of the connecting pipe 10 are respectively provided with a locking hole 15, the outer side of the connecting pipe 10 is positioned at the locking hole 15 and is welded with a semi-sealed pipe 17, the end of the semi-sealed pipe 17 with an opening is movably inserted with a locking block 16, the middle part of the rear side of the locking block 16 is fixedly connected with a guide rod 18, the middle part of the closed end of the semi-sealed pipe 17 is provided with a through hole, the end of the guide rod 18 far away from the locking block 16 passes through the through hole and is connected with a pull block 21, the outer side of the guide rod 18 close to the locking block 16 is fixedly sleeved with a limit ring 19, one end of the semi-sealed pipe 17 far away from the limit ring 19 is fixed with a limit plate 20, the middle part of the limit plate 20 is provided with a round hole, both sides of the insulating column 2 inserted into the connecting pipe 10 are provided with positioning holes 14, the lower side of the front end of the locking block 16 is provided with an inclined surface, and one end of the locking block 16 with the inclined surface is clamped in the corresponding positioning hole 14;

the utility model discloses a theory of operation: the anti-falling composite insulator is characterized in that a limiting steel plate 4 is fixed at the upper end of a cable frame, a trapezoidal block 11 and a connecting pipe 10 are fixedly connected with the lower end of a connecting column 9, the upper end of an insulating column is inserted into the connecting pipe 10 during installation, when the upper end of the insulating column touches the inclined surface of the lower side of a locking block 16 and continues to move upwards, the locking block 16 is contained in a semi-sealed pipe 17 under pressure, a spring 22 is in a compressed state at the moment, when the locking block 16 encounters a positioning hole 14, the spring 22 restores the original state to eject the locking block 16 to the original position, namely, the locking block is clamped into the positioning hole 14, fixing between the connecting pipe 10 and the insulating column 2 is realized, and when the anti-falling composite insulator is disassembled, only two pulling blocks 21 are required to be pulled outwards to enable the locking block 16 to be; through the telescopic from locking type latch segment 16 card go into the locating hole 14 of insulating column both sides, can realize the swift installation of insulator, the convenience of later stage dismantlement also obtains improving moreover, compares current mounting means, and fine anti-drop effect can also be realized to this connected mode, avoids the insulator to take place the obscission, prevents the emergence of potential safety hazard.

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. The utility model provides an anti-drop formula composite insulator, includes insulator body (1) and cable frame (3), the middle part of insulator body (1) is insulated column (2), its characterized in that: the cable frame is characterized in that a limiting steel plate (4) is fixed at the upper end of the cable frame (3), a connecting column (9) is welded in the middle of the lower end of the limiting steel plate (4), a connecting column perforation (5) is formed in the cable frame (3), the lower end of the connecting column (9) penetrates through the connecting column perforation (5) and is fixedly connected with a trapezoidal block (11), a connecting pipe (10) is welded at the lower end of the trapezoidal block (11), an insulating column (2) is inserted into the connecting pipe (10) from bottom to top, locking holes (15) are formed in the middle of two sides of the connecting pipe (10), a semi-sealing pipe (17) is welded at the locking hole (15) on the outer side of the connecting pipe (10), a locking block (16) is movably inserted at one end with an opening of the semi-sealing pipe (17), a guide rod (18) is fixedly connected to the middle of the rear side of the locking block (16), and a, one end of the guide rod (18) far away from the locking block (16) penetrates through the through hole and is connected with a pulling block (21), the outer sides of the guide rods (18) close to the locking blocks (16) are fixedly sleeved with limit lantern rings (19), a limiting plate (20) is fixed at one end of the semi-sealing pipe (17) far away from the limiting lantern ring (19), the middle parts of the limit plates (20) are all provided with round holes for the guide rods (18) to pass through, springs (22) are connected between the limiting plate (20) and the limiting lantern ring (19), and the springs (22) are sleeved on the outer side of the guide rod (18), the two sides of the insulating column (2) inserted into the connecting pipe (10) are both provided with positioning holes (14), inclined planes are arranged on the lower sides of the front ends of the locking blocks (16), and one ends of the locking blocks (16) with the inclined planes are clamped in the corresponding positioning holes (14).

2. The drop-proof composite insulator as claimed in claim 1, wherein: screw rods (7) are welded on two sides of the lower end of the limiting steel plate (4), screw rod perforation holes (6) are formed in two sides of the connecting column perforation holes (5) on the cable frame (3), and the screw rods (7) penetrate through the corresponding screw rod perforation holes (6) and are locked and fixed at the lower end of the cable frame (3) through locking screw caps (8).

3. The drop-proof composite insulator as claimed in claim 1, wherein: jack (12) have been seted up in the upper end middle part of trapezoidal piece (11), the lower extreme of spliced pole (9) is inserted and is established in spliced pole (9), and is fixed through high strength bolt (13) that transversely run through between spliced pole (9) and trapezoidal piece (11), hidden hole has all been seted up at the both ends of trapezoidal piece (11), the tip and the nut that matches of high strength bolt (13) are located two respectively and hide the hole.

4. The drop-proof composite insulator as claimed in claim 1, wherein: the limiting steel plate (4) is a square steel plate, and the side length of the limiting steel plate (4) is larger than the aperture of the connecting column through hole (5).