CN217205677U

CN217205677U - Three-phase V-string F-shaped single-circuit straight steel rod

Info

Publication number: CN217205677U
Application number: CN202123078281.7U
Authority: CN
Inventors: 金涛; 李正; 郭青梅; 李志强; 张明灿; 宋彬彬
Original assignee: PowerChina Hebei Electric Power Engineering Co Ltd
Current assignee: PowerChina Hebei Electric Power Engineering Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-08-16
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a three-phase V cluster F type single-circuit straight line steel pole, set up in subaerial pole body including vertical fixation, the pole body with one side from the top down in proper order vertical fixation be provided with the ground wire support, go up wire cross arm, well wire cross arm and lower wire cross arm, hang the ground wire on the ground wire support, the three-phase wire hangs respectively on last wire cross arm, well wire cross arm and lower wire cross arm and the three-phase wire adopts V type insulator chain. The utility model discloses a three-phase wire adopts V type insulator chain and at pole body one side hanging wire, reduces the corridor width, reduces and removes, shortens engineering construction cycle greatly, practices thrift the engineering investment, has obvious economic benefits, and is particularly useful for to the condition that some removal difficulties or can't remove at all.

Description

Three-phase V-string F-shaped single-circuit straight steel rod

Technical Field

The utility model belongs to the technical field of the overhead transmission line technique and specifically relates to a three-phase V cluster F type single-circuit straight line steel pole.

Background

Due to the high-speed development of urban construction, the electric load is rapidly increased, and the high-voltage transmission line has become a development trend when entering the city. The traditional iron tower occupies a large area, and the shape of the traditional iron tower is not harmonious with the modern urban environment. Cable tunnels are expensive to manufacture. The steel pipe pole has the advantages of small occupied area, simple structure, clear stress, attractive appearance, easiness in processing, convenience in construction, flexible and various accessory designs and difficulty in stealing tower materials, and is widely applied. However, in some places where the line corridor is very tight, according to the design specification of 110 kV-750 kV overhead transmission lines and the design technical specification of overhead transmission line steel pipe poles, the three-phase cross arms of single-circuit linear steel poles of 110kV and above are built and put into operation in China are generally arranged in a shape like a Chinese character ' shang ', as shown in fig. 1, the distance between the lead at the side of the traditional straight-circuit linear steel pole in the shape like the Chinese character ' shang and the buildings and structures cannot meet the specification requirements, the occupied corridor width is large, and under the condition of tight house distribution in the path, the problem can be solved only by a large amount of removal, so that the construction cost is greatly increased, however, many buildings are difficult to remove or cannot be removed at all in the actual engineering, and the engineering progress is seriously influenced. Therefore, it is necessary to reduce the horizontal distance between the wires as much as possible and to reduce the corridor width.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that need solve provides a three-phase V cluster F type single return straight line steel pole, and the three-phase wire adopts V type insulator chain and at pole body one side hanging wire, reduces the corridor width, reduces and removes, shortens engineering construction cycle greatly, practices thrift the engineering investment, has obvious economic benefits, and is applicable very much to the condition of some removal difficulties or can't remove at all.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a three-phase V cluster F type single return straight line steel pole, includes that the vertical fixation sets up the pole body on subaerial, the same one side from the top down of pole body vertical fixation in proper order is provided with ground wire support, goes up wire cross arm, well wire cross arm and lower wire cross arm, hang the ground wire on the ground wire support, three-phase wire hangs respectively on last wire cross arm, well wire cross arm and lower wire cross arm and the three-phase wire adopts V type insulator chain.

The utility model discloses technical scheme's further improvement lies in: the pole body, the ground wire support, the upper wire cross arm, the middle wire cross arm and the lower wire cross arm are all made of steel pipes.

The utility model discloses technical scheme's further improvement lies in: the distance between the ground wire support and the upper wire cross arm is 3-5 meters, the distance between the upper wire cross arm and the middle wire cross arm is 4-6 meters, and the distance between the middle wire cross arm and the lower wire cross arm is 4-6 meters.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

1. the utility model discloses the three-phase wire adopts V type insulator chain, and V type insulator chain has the inhibitory action to the windage yaw of wire, and the corridor width of V type insulator chain shaft tower will be less than the corridor width of I type cluster, so the utility model discloses the three-phase wire adopts V type insulator chain, under the condition that the house is densely covered, can reduce the house and tear down, reduce trees and fell etc.;

2. the utility model discloses a three-phase wire adopts V type insulator chain and hangs the line at pole body one side, reduces the corridor width, reduces and removes, shortens the engineering construction cycle greatly, practices thrift the engineering investment, has obvious economic benefits, is particularly useful for some circumstances that remove the difficulty or can't remove at all;

3. the utility model discloses structural design is simple reasonable, atress safe and reliable, and pole body, last wire cross arm, well wire cross arm and lower wire cross arm all adopt the steel pipe moreover, and is littleer than conventional iron tower occupation of land, reduces the land acquisition degree of difficulty, and the appearance is pleasing to the eye, processing is easy, construction convenience, the difficult stolen characteristics of tower material.

Drawings

FIG. 1 is a single-circuit linear steel pole three-phase cross arm upper-character-shaped layout diagram;

FIG. 2 is a layout view of a three-phase V-string F-shaped single-return straight steel rod of the utility model;

the device comprises a pole body 1, a pole body 2, a ground wire support 3, an upper wire cross arm 4, a middle wire cross arm 5 and a lower wire cross arm.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

as shown in fig. 2, a three-phase V-string F-type single-circuit straight line steel pole, set up in subaerial pole body 1 including vertical fixation, same one side from the top down of pole body 1 is provided with ground wire support 2, last wire cross arm 3, well wire cross arm 4 and lower wire cross arm 5 in proper order vertical fixation in proper order, hang the ground wire on the ground wire support 2, three-phase wire hangs respectively on last wire cross arm 3, well wire cross arm 4 and lower wire cross arm 5 and the three-phase wire adopts V type insulator string, and V type insulator string has the inhibitory action to the windage yaw of wire, and the corridor width of V type insulator string will be less than the corridor width of i type string, so the utility model discloses three-phase wire adopts V type insulator string, under the condition that the house is densely covered, can reduce the house and tear, reduce trees and cut down etc.

The pole body 1, the ground wire support 2, the upper wire cross arm 3, the middle wire cross arm 4 and the lower wire cross arm 5 are all made of steel pipes. The steel pipe occupies a smaller area than a conventional iron tower, reduces land acquisition difficulty, and has the characteristics of attractive appearance, easiness in processing, convenience in construction and difficulty in stealing tower materials.

The distance between the ground wire support 2 and the upper wire cross arm 3 is 3-5 meters, the distance between the upper wire cross arm 3 and the middle wire cross arm 4 is 4-6 meters, the distance between the middle wire cross arm 4 and the lower wire cross arm 5 is 4-6 meters, the utility model discloses structural design is simple reasonable, atress safe and reliable.

The utility model discloses a three-phase wire adopts V type insulator chain and at pole body one side hanging wire, reduces the corridor width, reduces and removes, shortens engineering construction cycle greatly, practices thrift the engineering investment, has obvious economic benefits, and is applicable to the condition that some removal difficulties perhaps can't remove at all.

Claims

1. The utility model provides a three-phase V cluster F type single-circuit straight line steel pole which characterized in that: set up in subaerial pole body (1) including vertical fixation, the same one side from the top down of pole body (1) is provided with ground wire support (2), last wire cross arm (3), well wire cross arm (4) and lower wire cross arm (5) in proper order vertical fixation, hang the ground wire on ground wire support (2), three-phase wire hangs respectively on last wire cross arm (3), well wire cross arm (4) and lower wire cross arm (5) and the three-phase wire adopts V type insulator chain.

2. The three-phase V-string F-shaped single-circuit straight steel rod as claimed in claim 1, wherein: the pole body (1), the ground wire support (2), the upper wire cross arm (3), the middle wire cross arm (4) and the lower wire cross arm (5) are all made of steel pipes.

3. The three-phase V-string F-shaped single-circuit straight steel rod as claimed in claim 1, wherein: the distance between the ground wire support (2) and the upper lead cross arm (3) is 3-5 meters, the distance between the upper lead cross arm (3) and the middle lead cross arm (4) is 4-6 meters, and the distance between the middle lead cross arm (4) and the lower lead cross arm (5) is 4-6 meters.