CN211150214U

CN211150214U - Tower-type composite insulating sleeve for high-voltage cable terminal

Info

Publication number: CN211150214U
Application number: CN201922491278.4U
Authority: CN
Inventors: 陈晔; 王体才; 柯德刚
Original assignee: Shanghai Yongjin Electric Technology Co ltd
Current assignee: Shanghai Yongjin Electric Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-31
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a compound insulation support of tower type for high tension cable terminal. It includes ring flange, umbrella skirt composite glass fiber pipe and lower ring flange, umbrella skirt composite glass fiber pipe include silicon rubber umbrella skirt pipe and glass fiber winding pipe, silicon rubber umbrella skirt pipe install the outside at glass fiber winding pipe, evenly distributed has a plurality of umbrella skirts on the lateral surface of silicon rubber umbrella skirt pipe, the diameter from the top down of glass fiber winding pipe increases gradually, last ring flange install the upper end at glass fiber winding pipe, lower ring flange install the lower extreme at glass fiber winding pipe. The utility model has the advantages that: through the design of the tower-shaped structure, the sleeve is trouble-saving and labor-saving when penetrating through the wall, and the wall penetrating effect is good; the design of full skirt can effectual protection glass fiber winding pipe, has improved this sheathed tube fail safe nature, long service life.

Description

Tower-type composite insulating sleeve for high-voltage cable terminal

Technical Field

The utility model belongs to the technical field of the relevant technique of high tension cable and specifically relates to indicate a compound insulation support of tower type for high tension cable terminal.

Background

The high-voltage bushing is mainly used for the ground insulation of the inlet and outlet wires of power equipment such as a transformer, an electric reactor and a circuit breaker and the high-voltage circuit passing through a wall body. The high-voltage bushing comprises a single dielectric bushing, a composite dielectric bushing and a capacitive bushing. The main insulation of the condenser bushing is composed of a coaxial cylindrical series capacitor group formed by winding a layered insulating material and a foil-shaped metal electrode on a conductive rod. The insulation material is divided into gummed paper and oiled paper condenser bushings.

High voltage bushings, which are devices for insulating and supporting one or more conductors passing through a partition such as a wall or a box, are important devices in electrical power systems. During the manufacturing, transporting and overhauling processes of the high-voltage bushing, latent defects may remain due to various reasons; during long-term operation, defects are also gradually generated under the influence of the action of electric fields and conductor heating, mechanical damage and chemical corrosion, and atmospheric conditions.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome and to have foretell not enough among the prior art, provide a wear effectual tower type composite insulation sleeve who is used for high tension cable terminal of wall.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound insulating sleeve of tower type for high tension cable terminal, includes ring flange, umbrella skirt composite glass fiber pipe and lower ring flange, the compound glass fiber pipe of umbrella skirt include silicon rubber umbrella skirt pipe and glass fiber winding pipe, silicon rubber umbrella skirt pipe install the outside at glass fiber winding pipe, evenly distributed has a plurality of umbrella skirts on the lateral surface of silicon rubber umbrella skirt pipe, the diameter from the top down of glass fiber winding pipe increases gradually, last ring flange install the upper end at glass fiber winding pipe, lower ring flange install the lower extreme at glass fiber winding pipe.

Through the tower-shaped structural design of the glass fiber winding pipe, the sleeve pipe is trouble-saving and labor-saving when penetrating through the wall, and the wall penetrating effect is good; and set up silicon rubber umbrella skirt pipe in the outside of glass fiber winding pipe, the umbrella skirt of simultaneously designing a plurality of evenly distributed on its surface can effectual protection glass fiber winding pipe, has improved this sheathed tube fail safe nature, long service life.

Preferably, the upper end of the glass fiber winding pipe is provided with an upper round pipe, the lower end of the glass fiber winding pipe is provided with a lower round pipe, the glass fiber winding pipe, the upper round pipe and the lower round pipe are integrally formed, the upper flange plate is arranged on the upper round pipe, and the lower flange plate is arranged on the lower round pipe. Through the design of above-mentioned structure, can make things convenient for the dismantlement and the installation of last ring flange and lower ring flange, simple structure, convenient operation.

As preferred, be equipped with a plurality of evenly distributed's first annular on the lateral surface of last pipe, the cross sectional shape of last ring flange is the U type, the bottom of going up the ring flange is equipped with first through-hole, be equipped with on the inside wall of going up the ring flange with first annular assorted second annular, the second ring groove on be equipped with the first locating hole of last ring flange outside intercommunication, the bottom outside of going up the ring flange is equipped with the turn-ups, last turn-ups on be equipped with the steel wire thread bush, the bottom of going up the ring flange and the outside of arranging first through-hole in are equipped with first seal groove, first annular and second ring groove between and in first seal groove all be equipped with the sealing washer, the open end inboard of going up the ring flange be equipped with the first recess of silicon rubber umbrella skirt assorted. Through the design of the structure, the sealing effect between the upper flange and the upper circular pipe is good; and the positioning and installation between the glass fiber winding pipe and the upper flange plate are convenient.

As preferred, be equipped with a plurality of evenly distributed's third annular on the lateral surface of lower pipe, the cross sectional shape of lower flange dish is the U type, the bottom of lower flange dish is equipped with the second through-hole, be equipped with on the inside wall of lower flange dish with third annular assorted fourth annular, the fourth annular on be equipped with the second locating hole with lower flange dish outside intercommunication, the bottom outside of lower flange dish is equipped with down the turn-ups, down the turn-ups on be equipped with steel wire thread bush, the bottom of lower flange dish and the outside of arranging the second through-hole in are equipped with the second seal groove, third annular and fourth annular between and in the second seal groove all be equipped with the sealing washer, the open end inboard of lower flange dish be equipped with silicon rubber umbrella skirt pipe assorted second recess. Through the design of the structure, the sealing effect between the lower flange plate and the lower circular pipe is good; and the positioning and installation between the glass fiber winding pipe and the lower flange plate are convenient.

Preferably, the umbrella skirt comprises a plurality of silicon rubber large umbrella skirts and a plurality of silicon rubber small umbrella skirts, and the silicon rubber large umbrella skirts and the silicon rubber small umbrella skirts are uniformly distributed and arranged at intervals. Through the structural design of the small silicon rubber umbrella skirt and the large silicon rubber umbrella skirt, the large silicon rubber umbrella skirt can protect the small silicon rubber umbrella skirt while protecting the glass fiber winding pipe.

The utility model has the advantages that: through the design of the tower-shaped structure, the sleeve is trouble-saving and labor-saving when penetrating through the wall, and the wall penetrating effect is good; the design of full skirt can effectual protection glass fiber winding pipe, has improved this sheathed tube fail safe nature, long service life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a glass fiber tube;

FIG. 3 is a schematic structural view of the upper flange;

FIG. 4 is a schematic structural view of the lower flange;

fig. 5 is a structural schematic diagram of the shed composite glass fiber tube.

In the figure: 1. the novel umbrella comprises an upper flange plate, 2 parts of a silicon rubber umbrella skirt pipe, 3 parts of a glass fiber winding pipe, 4 parts of a lower flange plate, 5 parts of a first annular groove, 6 parts of an upper circular pipe, 7 parts of a third annular groove, 8 parts of a lower circular pipe, 9 parts of an upper flanging, 10 parts of a steel wire thread bush, 11 parts of a first sealing groove, 12 parts of a first through hole, 13 parts of a first positioning hole, 14 parts of a second annular groove, 15 parts of a first groove, 16 parts of a lower flanging, 17 parts of a second sealing groove, 18 parts of a second through hole, 19 parts of a fourth annular groove, 20 parts of a second groove, 21 parts of a second positioning hole, 22 parts of a silicon rubber small umbrella skirt and 23 parts of a silicon rubber large umbrella skirt.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 5, a tower-type composite insulating sleeve for a high-voltage cable terminal comprises an upper flange plate 1, a shed composite glass fiber pipe and a lower flange plate 4, wherein the shed composite glass fiber pipe comprises a silicon rubber shed pipe 2 and a glass fiber winding pipe 3, the silicon rubber shed pipe 2 is installed on the outer side of the glass fiber winding pipe 3, a plurality of sheds are uniformly distributed on the outer side surface of the silicon rubber shed pipe 2, the diameter of the glass fiber winding pipe 3 is gradually increased from top to bottom, the upper flange plate 1 is installed at the upper end of the glass fiber winding pipe 3, and the lower flange plate 4 is installed at the lower end of the glass fiber winding pipe 3.

As shown in fig. 2, an upper circular tube 6 is disposed at the upper end of the glass fiber winding tube 3, a lower circular tube 8 is disposed at the lower end of the glass fiber winding tube 3, the upper circular tube 6 and the lower circular tube 8 are integrally formed, the upper flange plate 1 is mounted on the upper circular tube 6, and the lower flange plate 4 is mounted on the lower circular tube 8.

As shown in fig. 2 and 3, a plurality of first ring grooves 5 are uniformly distributed on the outer side surface of the upper circular tube 6, the cross section of the upper flange 1 is U-shaped, a first through hole 12 is formed in the bottom of the upper flange 1, a second ring groove 14 matched with the first ring groove 5 is formed in the inner side wall of the upper flange 1, a first positioning hole 13 communicated with the outer side of the upper flange 1 is formed in the second ring groove 14, an upper flange 9 is formed in the outer side of the bottom of the upper flange 1, a steel wire thread sleeve 10 is arranged on the upper flange 9, a first sealing groove 11 is formed in the bottom of the upper flange 1 and the outer side of the first through hole 12, sealing rings are arranged between the first ring groove 5 and the second ring groove 14 and in the first sealing groove 11, and a first groove 15 matched with the umbrella skirt tube 2 is formed in the inner side of.

As shown in fig. 2 and 4, a plurality of third ring grooves 7 are uniformly distributed on the outer side surface of the lower circular tube 8, the cross section of the lower flange plate 4 is U-shaped, a second through hole 18 is formed at the bottom of the lower flange plate 4, a fourth ring groove 19 matched with the third ring grooves 7 is formed in the inner side wall of the lower flange plate 4, a second positioning hole 21 communicated with the outer side of the lower flange plate 4 is formed in the fourth ring groove 19, a lower flanging 16 is formed on the outer side of the bottom of the lower flange plate 4, a steel wire thread sleeve 10 is arranged on the lower flanging 16, a second sealing groove 17 is formed in the bottom of the lower flange plate 4 and arranged outside the second through hole 18, sealing rings are arranged between the third ring groove 7 and the fourth ring groove 19 and in the second sealing groove 17, and a second groove 20 matched with the silicone rubber umbrella skirt tube 2 is formed in the inner side of the opening end of the lower.

As shown in fig. 5, the umbrella skirt comprises a plurality of silicon rubber large umbrella skirts 23 and a plurality of silicon rubber small umbrella skirts 22, and the silicon rubber large umbrella skirts 23 and the silicon rubber small umbrella skirts 22 are uniformly distributed and arranged at intervals.

Through the tower-shaped structural design of the glass fiber winding pipe 3, the sleeve pipe is trouble-saving and labor-saving when penetrating through the wall, and the wall penetrating effect is good; and set up silicon rubber umbrella skirt pipe 2 in the outside of glass fiber winding pipe 3, design a plurality of evenly distributed's silicon rubber little full skirt 22 and silicon rubber big full skirt 23 simultaneously on its surface can effectual protection glass fiber winding pipe 3, has improved this sheathed tube fail safe nature, long service life.

Claims

1. The utility model provides a compound insulating sleeve of tower type for high tension cable terminal, characterized by, includes ring flange (1), umbrella skirt composite glass fiber pipe and lower flange dish (4), the compound glass fiber pipe of umbrella skirt include silicon rubber umbrella skirt pipe (2) and glass fiber winding pipe (3), silicon rubber umbrella skirt pipe (2) install in the outside of glass fiber winding pipe (3), evenly distributed has a plurality of umbrella skirts on the lateral surface of silicon rubber umbrella skirt pipe (2), the diameter from the top down of glass fiber winding pipe (3) is crescent, last flange dish (1) install the upper end at glass fiber winding pipe (3), lower flange dish (4) install the lower extreme at glass fiber winding pipe (3).

2. The tower-type composite insulating sleeve for the high-voltage cable terminal as claimed in claim 1, wherein an upper circular tube (6) is arranged at the upper end of the glass fiber winding tube (3), a lower circular tube (8) is arranged at the lower end of the glass fiber winding tube (3), the upper circular tube (6) and the lower circular tube (8) are integrally formed, the upper flange plate (1) is arranged on the upper circular tube (6), and the lower flange plate (4) is arranged on the lower circular tube (8).

3. The tower-type composite insulating sleeve for the high-voltage cable terminal according to claim 2, wherein a plurality of first annular grooves (5) are uniformly distributed on the outer side surface of the upper circular tube (6), the cross section of the upper flange (1) is U-shaped, a first through hole (12) is formed in the bottom of the upper flange (1), a second annular groove (14) matched with the first annular groove (5) is formed in the inner side wall of the upper flange (1), a first positioning hole (13) communicated with the outer side of the upper flange (1) is formed in the second annular groove (14), an upper flanging (9) is formed in the outer bottom of the upper flange (1), a steel wire threaded sleeve (10) is formed in the upper flanging (9), a first sealing groove (11) is formed in the outer side of the first through hole (12) and in the bottom of the upper flange (1), first annular (5) and second annular (14) between and all be equipped with the sealing washer in first seal groove (11), the open end inboard of upper flange dish (1) be equipped with first recess (15) of silicon rubber umbrella skirt pipe (2) assorted.

4. The tower-type composite insulating sleeve for the high-voltage cable terminal according to claim 2, wherein a plurality of third ring grooves (7) are uniformly distributed on the outer side surface of the lower circular tube (8), the cross-sectional shape of the lower flange (4) is U-shaped, a second through hole (18) is formed in the bottom of the lower flange (4), a fourth ring groove (19) matched with the third ring grooves (7) is formed in the inner side wall of the lower flange (4), a second positioning hole (21) communicated with the outer side of the lower flange (4) is formed in the fourth ring groove (19), a lower flanging (16) is formed in the outer side of the bottom of the lower flange (4), a steel wire thread sleeve (10) is formed in the lower flanging (16), a second sealing groove (17) is formed in the bottom of the lower flange (4) and the outer side of the second through hole (18), third annular groove (7) and fourth annular groove (19) between and all be equipped with the sealing washer in second seal groove (17), the open end inboard of lower flange dish (4) be equipped with silicon rubber umbrella skirt pipe (2) assorted second recess (20).

5. The tower-type composite insulating sleeve for the high-voltage cable terminal as claimed in claim 1, 2, 3 or 4, wherein the shed comprises a plurality of large silicon rubber sheds (23) and a plurality of small silicon rubber sheds (22), and the large silicon rubber sheds (23) and the small silicon rubber sheds (22) are uniformly distributed and arranged at intervals.