CN218100837U

CN218100837U - Multi-use-scene cross arm composite insulator

Info

Publication number: CN218100837U
Application number: CN202221677416.3U
Authority: CN
Inventors: 代业厅; 张善钢; 赵一平
Original assignee: Nanjing Electric Insulator Co ltd
Current assignee: Nanjing Electric Insulator Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-12-20
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a cross arm composite insulator with multiple use scenes, which comprises an umbrella skirt and an insulating core rod, wherein the umbrella skirt is arranged on a rod body of the insulating core rod, a wire end fitting and a tower end fitting are respectively arranged at the top end and the bottom end of the insulating core rod, a wire groove is arranged at the top of a wire clamp section of the wire end fitting, two wire clamp fixing holes are symmetrically arranged on the wire clamp sections positioned at two sides of the wire groove, the wire binding installation can be directly realized through the wire groove, and the single-wire installation and the double-wire installation can also be realized through the wire clamp fixing Kong Jiazhuang single-wire clamp and the double-wire clamp; two mounting holes are formed in four frame walls of a square frame body of the tower-end hardware fitting along the length direction of the square frame body, and the mounting requirements of a horizontal lead and a lower lead can be met by rotating 90 degrees, so that the multi-scene using requirements of the cross arm composite insulator are met.

Description

Multi-use-scene cross arm composite insulator

Technical Field

The utility model relates to a scene cross arm composite insulator more uses belongs to the insulator field.

Background

The cross arm composite insulator is mainly used as a lead wire at a power transmission line terminal tower, is used for fixedly supporting cables of a connecting line and a transformer substation, plays an insulating role, and is required to bear the bending stress caused by the load of a lead and the dead weight at the same time. The cross arm composite insulator has the excellent characteristics of good pollution resistance, strong impact resistance, relatively small quality, convenience in installation, and the like, and is widely applied to the power grid market at home and abroad.

The cross arm composite insulator can be divided into a horizontal lead and a lower lead according to the direction of a cable, and can be divided into a binding wire and a pressing wire according to a cable fixing mode, wherein the pressing wire mode can be subdivided into a single wire and a double wire, and after combination, the cross arm composite insulator of the same model needs to meet different use scenes. The existing cross arm product (with the publication number of CN 213025577U and the patent name of cross arm composite insulator) solves the problem that the insulator is inconvenient to install by arranging a rotating plate and an installation sleeve which can rotate relative to an insulating core column, but a wire binding structure and a wire pressing structure of the structure cannot be commonly used, and a single wire and a double wire cannot be commonly used, so that the design needs to be repeatedly worked, the same type of product is produced in multiple types, and the storage products are multiple and are mixed; the purchase types are more, the quantity is less, and the cost is increased; the problem of construction difficulty is increased due to mismatching of actual requirements of a construction site.

Disclosure of Invention

For solving the not enough of prior art, the utility model provides a use scene cross arm composite insulator more to solve the problem that current cross arm composite insulator can't be suitable for multiple use scene.

The utility model discloses the technical scheme who adopts does:

a multi-use scene cross arm composite insulator comprises an umbrella skirt and an insulating core rod, wherein the umbrella skirt is arranged on a rod body of the insulating core rod, a wire end fitting and a tower end fitting are respectively arranged at the top end and the bottom end of the insulating core rod, the wire end fitting comprises a sleeve section I and a wire clamp section arranged at the top end of the sleeve section I, the sleeve section I is fixedly sleeved at the top end of the insulating core rod, a wire slot is formed in the top of the wire clamp section, and two wire clamp fixing holes are symmetrically formed in the wire clamp sections positioned at two sides of the wire slot; the tower end hardware fitting comprises a second sleeve section and a square frame body arranged at the bottom end of the second sleeve section, the second sleeve section is fixedly sleeved at the bottom end of the insulating core rod, and two mounting holes are formed in four frame walls of the square frame body along the length direction of the square frame body.

As an optimization of the utility model, the umbrella skirt is a vulcanized silicone rubber umbrella skirt.

As an optimization of the utility model, the insulating plug is epoxy resin glass fiber drawing rod.

As a preferred aspect of the present invention, the two mounting holes on the same frame wall of the square frame have different diameters.

As a preferred one the top of fastener section is provided with the single conductor fastener, the single conductor fastener passes through bolt assembly and fastener section fixed connection.

As a preferred the top of fastener section still is provided with the double-conductor fastener, the middle section body of rod of double-conductor fastener passes through bolt assembly and fastener section fixed connection.

The beneficial effects of the utility model reside in that:

the top end of the wire end fitting is provided with a wire groove and two wire clamp fixing holes, so that the wire binding installation can be directly realized through the wire groove, and the single-wire installation and the double-wire installation can also be realized through the standby wire clamp fixing Kong Jiazhuang single-wire clamp and double-wire clamp; the end part of the tower-end hardware fitting is hollowed, 4 side faces of the installation position are provided, two installation holes with different diameters are drilled at the same position of each face, and the installation requirements of a horizontal lead and a down lead can be met by rotating 90 degrees, so that the multi-scene use requirements of the cross arm composite insulator are met.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the tower end fitting of the present invention;

FIG. 4 is a schematic view of a cross arm composite insulator structure with a single wire clamp installed;

FIG. 5 is a schematic structural view of a cross-arm composite insulator with a two-wire clamp installed;

the main reference numerals in the figures have the following meanings:

1. the cable end comprises a cable end fitting 11, a sleeve section I, a cable clamp section 12, a cable groove 13, a cable groove 14, a cable clamp fixing hole 2, an umbrella skirt 3, an insulating core rod 4, a tower end fitting 41, a sleeve section II, a square frame 42, a square frame 43, a mounting hole 5, a single-wire cable clamp 6 and a double-wire cable clamp.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example 1: as shown in fig. 1-3: the embodiment is a multi-use scene cross arm composite insulator, which comprises an umbrella skirt 2 and an insulating core rod 3, wherein the umbrella skirt 2 is arranged on a rod body of the insulating core rod 3, a wire end fitting 1 and a tower end fitting 4 are respectively arranged at the top end and the bottom end of the insulating core rod 3, the wire end fitting 1 comprises a sleeve section I11 and a wire clamp section 12 arranged at the top end of the sleeve section I11, the sleeve section I11 is fixedly sleeved at the top end of the insulating core rod 3, a wire slot 13 is formed in the top of the wire clamp section 12, and two wire clamp fixing holes 14 are symmetrically formed in the wire clamp section 12 positioned at two sides of the wire slot 13; the tower end fitting 4 comprises a second sleeve section 41 and a square frame 42 arranged at the bottom end of the second sleeve section 41, the second sleeve section 41 is fixedly sleeved at the bottom end of the insulating core rod 3, and two mounting holes 43 are formed in four frame walls of the square frame 42 along the length direction of the square frame 42.

In the embodiment, the shed 2 is a vulcanized silicone rubber shed, and the insulating core rod 3 is an epoxy resin glass fiber drawing rod; the two mounting holes 43 on the same wall of the square frame 42 have different diameters.

A wire slot 13 and two wire clamp fixing holes 14 are formed in the wire clamp section 12 at the top end of the wire end fitting 1, so that wire binding installation can be directly realized through the wire slot; the square frame 42 at the end part of the tower-end hardware fitting 4 is hollowed, two mounting holes 43 with different diameters are drilled at the same position of each surface, and the installation requirements of a horizontal lead and a down lead can be met by rotating 90 degrees, so that the multi-scene use requirements of the cross arm composite insulator are met.

Example 2: referring to fig. 4, the same as embodiment 1 except that a single-wire clamp 5 is provided on the top of the clamp section 12, the single-wire clamp 5 being fixedly connected to the clamp section 12 by a bolt assembly; play the line ball function through single-conductor clamp 5 with the cooperation of fastener section 12, then rotate 90 with cross arm composite insulator, can realize under the line ball installation demand, the conversion of horizontal lead wire and lower lead wire.

Example 3: referring to fig. 5, the same as embodiment 1, except that a two-wire clamp 6 is further disposed on the top of the clamp segment 12, and the middle rod of the two-wire clamp 6 is fixedly connected to the clamp segment 12 by a bolt assembly; the wire clamps at the two ends of the double-wire clamp 6 can play a wire pressing function, and similarly, the cross arm composite insulator is rotated by 90 degrees, so that the horizontal lead and the down lead are converted under the requirement of wire pressing installation, and the use requirement of multiple scenes of the cross arm composite insulator is met.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a multi-use scene cross arm composite insulator which characterized in that: the umbrella skirt (2) is arranged on a rod body of the insulating core rod (3), a wire end fitting (1) and a tower end fitting (4) are respectively arranged at the top end and the bottom end of the insulating core rod (3), the wire end fitting (1) comprises a sleeve section I (11) and a wire clamp section (12) arranged at the top end of the sleeve section I (11), the sleeve section I (11) is fixedly sleeved at the top end of the insulating core rod (3), a wire slot (13) is formed in the top of the wire clamp section (12), and two wire clamp fixing holes (14) are symmetrically formed in the wire clamp sections (12) on two sides of the wire slot (13); the tower end fitting (4) comprises a second sleeve section (41) and a square frame body (42) arranged at the bottom end of the second sleeve section (41), the second sleeve section (41) is fixedly sleeved at the bottom end of the insulating core rod (3), and two mounting holes (43) are formed in four frame walls of the square frame body (42) along the length direction of the square frame body (42).

2. A multi-use scene cross arm composite insulator according to claim 1, wherein the shed (2) is a vulcanized silicone rubber shed.

3. A multi-use-scenario cross-arm composite insulator according to claim 1, characterized in that the insulating core rod (3) is an epoxy resin glass fiber extraction rod.

4. The composite insulator of claim 1, wherein the two mounting holes (43) on the same frame wall of the square frame (42) have different diameters.

5. A multi-use scene cross arm composite insulator according to claim 1, characterized in that a single-conductor wire clamp (5) is arranged on the top of the wire clamp section (12), and the single-conductor wire clamp (5) is fixedly connected with the wire clamp section (12) through a bolt assembly.

6. The multi-use scene cross arm composite insulator is characterized in that a double-wire clamp (6) is further arranged at the top of the clamp section (12), and a middle rod body of the double-wire clamp (6) is fixedly connected with the clamp section (12) through a bolt assembly.