CN211479778U

CN211479778U - Arc-burn-resistant porcelain insulator

Info

Publication number: CN211479778U
Application number: CN202020478100.6U
Authority: CN
Inventors: 高强; 尹金萍; 高坚
Original assignee: Jiangxi Red Star Porcelain Co ltd
Current assignee: Jiangxi Red Star Porcelain Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-09-11
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a porcelain insulator is burnt to resistant electric arc, including cassette and collets, the top fixedly connected with bracing piece of cassette, the terminal fixedly connected with arc of T type bolt, the spacing groove has been seted up on the collets, fixedly connected with full skirt on the sleeve, fixedly connected with plug on the bottom surface of dead lever. This porcelain insulator is burnt to resistant electric arc is provided with buckle groove and block device, comprising a base plate, the rubber ring, the second bearing, the pivot, the mounting plate, a spring, when two sets of insulators of needs are connected, screw down, take off the cassette, then with fixedly connected with T type pole T shape buckle inslot of impressing on the dead lever of sleeve end fixed, when T type pole is impressed the buckle inslot completely, the round bar part of the inside extrusion T type pole of mounting plate under spring and pivot effect, separate the horizontal pole of T type pole outside the mounting plate, be convenient for connect between two sets of insulators, and connect comparatively stably.

Description

Arc-burn-resistant porcelain insulator

Technical Field

The utility model relates to an electric power transmission technical field specifically is a porcelain insulator is burnt to resistant electric arc.

Background

The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical loading conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line. The insulator can be divided into a suspension insulator and a post insulator according to different installation modes.

When the suspension type arc burn resistant porcelain insulator used in the current market is installed on a wire, a gap exists between the suspension type arc burn resistant porcelain insulator and the wire due to the fact that the inner space of the insulator installation portion is fixed, the suspension type arc burn resistant porcelain insulator is easy to shake and instable to install, and the suspension type arc burn resistant porcelain insulator and the suspension type insulator are not convenient to connect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an arc burn-resistant porcelain insulator to when solving the suspension insulator on the existing market that above-mentioned background art provided, because the inner space of insulator installation part is fixed, lead to and have the gap between the electric wire, rock easily, the installation is unstable, and the problem of being not convenient for to be connected between suspension insulator and the suspension insulator.

In order to achieve the above object, the utility model provides a following technical scheme: an arc-burn-resistant porcelain insulator comprises a clamping seat and an insulating block, wherein a supporting rod is fixedly connected above the clamping seat, a backing plate is fixedly connected above the supporting rod, an insulating sleeve is fixedly connected in the backing plate, a first bearing is fixedly connected in the insulating sleeve, a connecting rod is fixedly connected in the first bearing, a through hole is formed in the connecting rod, a threaded hole is formed in the inner side wall of the through hole, a T-shaped bolt is movably connected in the threaded hole, an arc-shaped plate is fixedly connected at the tail end of the T-shaped bolt, and the arc-shaped plate is fixedly connected with the tail end of,

the clamping device comprises a clamping seat, a supporting block, a clamping block, a limiting groove, a sleeve, an umbrella skirt and a core rod, wherein the clamping seat is fixedly connected with the supporting block through a screw, the clamping block is provided with the clamping groove, the clamping block is fixedly connected with the clamping device in the clamping groove, the fixing rod is fixedly connected with the lower portion of the supporting block, the clamping block is fixedly connected with the outer side face of the fixing rod, the limiting groove is provided on the insulating block, the sleeve is fixedly connected with the lower portion of the insulating block.

Preferably, the through holes, the threaded holes, the T-shaped bolts and the arc-shaped plates are symmetrically arranged on the connecting rod in two groups, the two groups of through holes, the threaded holes, the T-shaped bolts and the arc-shaped plates form a fastening structure, and the length of the two groups of T-shaped bolts is larger than the diameter of the connecting rod.

Preferably, the clamping device comprises a bottom plate, a rubber ring, a second bearing, a rotating shaft, a fastening plate and a spring, wherein the bottom plate is fixedly connected to the bottom surface of the inner portion of the clamping groove, the rubber ring is fixedly connected to the bottom plate, the second bearing is fixedly connected to the inner portion of the rubber ring, the rotating shaft is fixedly connected to the inner portion of the second bearing, the fastening plate is fixedly connected to the rotating shaft, the spring is fixedly connected to the side surface of the fastening plate, and the tail end of the spring is fixedly connected to the side surface of the inner portion of the clamping groove.

Preferably, the rubber ring, the second bearing, the rotating shaft, the fastening plates and the springs are arranged in two groups on the bottom plate, and the cross sections of the two groups of fastening plates are arc-shaped.

Preferably, the fixing rods, the clamping blocks, the insulating blocks and the limiting grooves are provided with two groups at two ends of the sleeve, and the fixing rods fixed at the tail ends of the sleeve are fixedly connected with T-shaped rods.

Preferably, the buckling block is recessed inwards, the limiting groove protrudes outwards, and the insulating block is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that: this resistant electric arc burns porcelain insulator:

1. the wire fixing device is provided with a first bearing, a connecting rod, a through hole, a threaded hole, T-shaped bolts and an arc-shaped plate, wherein the threaded hole, the T-shaped bolts and the arc-shaped plate are symmetrically provided with two groups on the connecting rod;

2. the clamping device comprises a bottom plate, a rubber ring, a second bearing, a rotating shaft, a fastening plate and a spring, when two groups of insulators are required to be connected, a screw is screwed off, a clamping seat is taken down, then a T-shaped rod is fixedly connected to a fixed rod fixed at the tail end of a sleeve and pressed into the T-shaped clamping groove, when the T-shaped rod is completely pressed into the clamping groove, the fastening plate inwards extrudes a round rod part of the T-shaped rod under the action of the spring and the rotating shaft, a cross rod of the T-shaped rod is separated from the fastening plate, the two groups of insulators are convenient to connect, and the connection is stable;

3. be provided with the dead lever, the buckle piece, insulating block and spacing groove, because the dead lever, the buckle piece, insulating block and spacing groove are provided with two sets ofly at telescopic both ends, and the buckle piece is inside sunken, the spacing groove is outside outstanding, the material of insulating block is rubber, so be connected stably between buckle piece and the spacing groove, and the seal is better, so the both ends mouth seal of sleeve and plug is better, can avoid the rainwater, inside fog enters into the sleeve, cause the harm to the plug, and the plug surface scribbles and prevents the electric coating, prevent that high-voltage arc from causing damage and destruction to the plug.

Drawings

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

FIG. 2 is an enlarged view of the part A structure of the present invention;

fig. 3 is a schematic structural view of the fastening device of the present invention.

In the figure: 1. a card holder; 2. a support bar; 3. a base plate; 4. an insulating sleeve; 5. a first bearing; 6. a connecting rod; 7. a through hole; 8. a threaded hole; 9. a T-bolt; 10. an arc-shaped plate; 11. a screw; 12. a support block; 13. a fastening groove; 14. a clamping device; 1401. a base plate; 1402. a rubber ring; 1403. a second bearing; 1404. a rotating shaft; 1405. a fastening plate; 1406. a spring; 15. fixing the rod; 16. a buckling block; 17. an insulating block; 18. a limiting groove; 19. a sleeve; 20. an umbrella skirt; 21. and (4) a core rod.

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 arc burning-resistant porcelain insulator comprises a clamping seat 1, a supporting rod 2, a base plate 3, an insulating sleeve 4, a first bearing 5, a connecting rod 6, a through hole 7, a threaded hole 8, a T-shaped bolt 9, an arc-shaped plate 10, a screw 11, a supporting block 12, a clamping groove 13, a clamping device 14, a fixing rod 15, a clamping block 16, an insulating block 17, a limiting groove 18, a sleeve 19, an umbrella skirt 20 and a core rod 21, wherein the supporting rod 2 is fixedly connected above the clamping seat 1, the base plate 3 is fixedly connected above the supporting rod 2, the insulating sleeve 4 is fixedly connected in the base plate 3, the first bearing 5 is fixedly connected in the insulating sleeve 4, the connecting rod 6 is fixedly connected in the first bearing 5, the through hole 7 is formed in the connecting rod 6, the threaded hole 8 is formed in the inner side wall of the through hole 7, the T-shaped bolt 9 is movably connected in the threaded hole 8, the arc-shaped plate 10, two groups of through holes 7, threaded holes 8, T-shaped bolts 9 and arc plates 10 are symmetrically arranged on the connecting rod 6, the two groups of through holes 7, threaded holes 8, T-shaped bolts 9 and arc plates 10 form a fastening structure, the length of the two groups of T-shaped bolts 9 is larger than the diameter of the connecting rod 6, no gap is formed between the arc plates 10 and the electric wire, the installation is more stable, the insulator is prevented from shaking, wherein,

the lower part of the clamping seat 1 is fixedly connected with a supporting block 12 through a screw 11, a clamping groove 13 is formed in the supporting block 12, a clamping device 14 is fixedly connected in the clamping groove 13, the clamping device 14 comprises a bottom plate 1401, a rubber ring 1402, a second bearing 1403, a rotating shaft 1404, a fastening plate 1405 and a spring 1406, the bottom plate 1401 is fixedly connected on the bottom surface in the clamping groove 13, the rubber ring 1402 is fixedly connected on the bottom plate 1401, the second bearing 1403 is fixedly connected in the rubber ring 1402, the rotating shaft 1404 is fixedly connected in the second bearing 1403, the fastening plate 1405 is fixedly connected on the rotating shaft 1404, the spring 1406 is fixedly connected on the side surface in the clamping groove 13, the rubber ring 1402, the second bearing 1403, the rotating shaft 1404, and the fastening plate 1405 and the spring 1406 are provided with two groups on the bottom plate 1401, and the cross section of two sets of fastening plates 1405 is arc, when pressing the T-shaped rod into the fastening groove 13 completely, the fastening plate 1405 extrudes the round rod part of the T-shaped rod inwards under the action of the spring 1406 and the rotating shaft 1404, the cross rod of the T-shaped rod is separated outside the fastening plate 1405, so that the connection between the two sets of insulators is stable, the fixing rod 15 is fixedly connected below the supporting block 12, the fastening block 16 is fixedly connected on the outer side surface of the fixing rod 15, the insulating block 17 is provided with the limiting groove 18, the fastening block 16 is inwards recessed, the limiting groove 18 is outwards protruded, the insulating block 17 is made of rubber, so that the matching connection between the fastening block 16 and the limiting groove 18 is stable, the sealing performance is good, the sleeve 19 is fixedly connected below the insulating block 17, two sets of two ends of the fixing rod 15, the fastening block 16, the insulating block 17 and the limiting groove 18 are arranged at two ends of the sleeve 19, so as to seal the openings of the sleeve, the magazine clamp is characterized in that external magazines are prevented from entering the sleeve 19, a T-shaped rod is fixedly connected to a fixing rod 15 fixed to the tail end of the sleeve 19 and matched with the clamping device 14, connection between two groups of insulators is facilitated, an umbrella skirt 20 is fixedly connected to the sleeve 19, and a core rod 21 is fixedly connected to the bottom surface of the supporting block 12.

The working principle is as follows: when the electric arc burning resistant porcelain insulator is used, the device is simply known, firstly, two groups of the threaded holes 8, the T-shaped bolts 9 and the arc-shaped plates 10 are symmetrically arranged on the connecting rod 6, when the electric arc burning resistant porcelain insulator is installed, an electric wire passes through the through hole 7, then the two groups of the T-shaped bolts 9 are rotated inwards, when the two groups of the T-shaped bolts 9 are rotated, the threaded holes 8 are used for moving inwards to drive the two groups of the arc-shaped plates 10 to move inwards to fix the electric wire, and the length of the two groups of the T-shaped bolts 9 is larger than the diameter of the connecting rod 6, so that no gap exists between the arc-shaped plates 10 and the electric wire, the installation is stable and difficult to shake, secondly, when the two groups of the insulators are required to be connected, the screw 11 is screwed down to take the clamping seat 1 down, then the T-shaped rod fixedly connected with the fixing rod 15 fixed at the tail end of the sleeve, the fastening plate 1405 presses the round bar portion of the T-bar inward by the spring 1406 and the rotation shaft 1404, and the cross bar of the T-bar is spaced apart from the fastening plate 1405, which facilitates the connection between the two sets of insulators, and the connection is stable, and then, because two groups of fixing rods 15, clamping blocks 16, insulating blocks 17 and limiting grooves 18 are arranged at two ends of the sleeve 19, the buckling block 16 is inwards sunken, the limiting groove 18 is outwards protruded, the insulating block 17 is made of rubber, therefore, the connection between the buckling block 16 and the limiting groove 18 is stable, and the sealing performance is good, so that the sealing performance of the two ports of the sleeve 19 and the core rod 21 is good, rainwater and fog can be prevented from entering the sleeve 19, damage to the core rod 21 and the surface of the core rod 21 being coated with an electricity-resistant coating to prevent damage and destruction of the core rod 21 by the high-voltage arc are well known to those skilled in the art and are not described in detail in this specification.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an electric arc burn resistant porcelain insulator, includes cassette (1) and insulating block (17), its characterized in that: a support rod (2) is fixedly connected above the clamping seat (1), a backing plate (3) is fixedly connected above the support rod (2), an insulating sleeve (4) is fixedly connected in the backing plate (3), a first bearing (5) is fixedly connected in the insulating sleeve (4), a connecting rod (6) is fixedly connected in the first bearing (5), a through hole (7) is formed in the connecting rod (6), a threaded hole (8) is formed in the inner side wall of the through hole (7), a T-shaped bolt (9) is movably connected in the threaded hole (8), an arc-shaped plate (10) is fixedly connected at the tail end of the T-shaped bolt (9), wherein,

the clamping device is characterized in that the lower part of the clamping seat (1) is fixedly connected with a supporting block (12) through a screw (11), a clamping groove (13) is formed in the supporting block (12), a clamping device (14) is fixedly connected in the clamping groove (13), a fixing rod (15) is fixedly connected with the lower part of the supporting block (12), a clamping block (16) is fixedly connected onto the outer side surface of the fixing rod (15), a limiting groove (18) is formed in an insulating block (17), a sleeve (19) is fixedly connected with the lower part of the insulating block (17), an umbrella skirt (20) is fixedly connected onto the sleeve (19), and a core rod (21) is fixedly connected onto the bottom surface of the fixing rod (15).

2. The arc burn resistant porcelain insulator of claim 1, wherein: through-hole (7), screw hole (8), T type bolt (9) and arc (10) are provided with two sets ofly in connecting rod (6) symmetry, two sets of through-hole (7), screw hole (8), T type bolt (9) and arc (10) constitute fastening structure, and the length of two sets of T type bolts (9) all is greater than the diameter of connecting rod (6).

3. The arc burn resistant porcelain insulator of claim 1, wherein: clamping device (14), including bottom plate (1401), rubber ring (1402), second bearing (1403), pivot (1404), mounting plate (1405), spring (1406), fixedly connected with bottom plate (1401) on the inside bottom surface of buckle groove (13), fixedly connected with rubber ring (1402) on bottom plate (1401), fixedly connected with second bearing (1403) in rubber ring (1402), fixedly connected with pivot (1404) in second bearing (1403), fixedly connected with mounting plate (1405) on pivot (1404), the side fixedly connected with spring (1406) of mounting plate (1405), the terminal fixed connection of spring (1406) is on the inside side of buckle groove (13).

4. The arc burn resistant porcelain insulator of claim 3, wherein: rubber ring (1402), second bearing (1403), pivot (1404), mounting plate (1405) and spring (1406) are provided with two sets at bottom plate (1401), and the cross section of two sets of mounting plate (1405) is the arc.

5. The arc burn resistant porcelain insulator of claim 1, wherein: two groups of fixing rods (15), clamping blocks (16), insulating blocks (17) and limiting grooves (18) are arranged at two ends of the sleeve (19), and T-shaped rods are fixedly connected to the fixing rods (15) fixed to the tail ends of the sleeve (19).

6. The arc burn resistant porcelain insulator of claim 1, wherein: the buckling block (16) is inwards sunken, the limiting groove (18) is outwards protruded, and the insulating block (17) is made of rubber.