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Electric wire anti-snow device

A technology for snow protection and electric wires, applied in the installation of cables, electrical components, overhead installation, etc., can solve the problems of high load-bearing cost of utility poles, reduced snow protection effect, and limited rotation angle of rolling components, etc.

Active Publication Date: 2018-03-13
杭州东南吉通网络有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the scope of this snow prevention method is the length of the entire hollow tube and the snow removal pole. In order to achieve the purpose of snow prevention, the total length or the sum of the lengths of the multiple snow protection devices will be close to the distance between the two poles, increasing the distance between the poles. The weight and cost are high; after the cable is installed, the middle part of the utility pole will sink due to its own weight. At this time, the cable is arc-shaped, and the rotation angle of the rolling assembly will be limited at this time, reducing the snow-proof effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] according to Figure 1 to Figure 6 As shown, this embodiment is a wire snow protection device, which includes a windward tube 1 that is sleeved on the cable, two end caps 2 that are fixedly installed at both ends of the windward tube, and two circular rings that are arranged at both ends of the inner wall of the windward tube. An annular sliding ring 3, a plurality of long connecting rods 6 connected between the two sliding rings.

[0035] The windward cylinder comprises two oppositely disposed windward cylinder half bodies 11; the windward cylinder half body comprises a semi-circular cylinder body 111; the two cylinder bodies are positioned by pins; the outer wall of the cylinder body is formed with a spiral shaped fan blade 112; after the two cylinders are positioned and connected, the cross section of the two spiral fan blades forms an S shape (along the radial cross section of the windward cylinder); it can be known from the S type vertical wind power generator that...

Embodiment 2

[0052] combine Figure 7 As shown, the difference between this embodiment and Embodiment 1 is that: the outer end of the contact end is equidistantly equipped with a plurality of contact switches 2121 arranged in parallel; the outer end of the contact end is provided with a semicircular contact plate 215; The contact discs are fixedly connected and form a circular ring; multiple springs 214 are fixedly connected between the contact end and the contact discs.

[0053] By providing a plurality of contact switches, when the contact disk touches an obstacle, the contact disk presses the contact switch to make the motor work, thereby changing the moving direction of the wind cylinder.

[0054] The contact switch is triggered indirectly by setting the contact plate, which avoids the situation that the single contact switch cannot effectively touch the obstacle, or the wind cylinder cannot continue to rotate due to the protrusion of the contact switch.

Embodiment 3

[0056] This embodiment makes the following improvements on the basis of embodiment 1 or embodiment 2: each section of cable is fixedly connected with a plurality of limit disks perpendicular to the cable, and the radius of the limit disk is larger than the distance from the contact switch to the cable. distance. For the convenience of installation, the limiting disc is divided into two halves and fixedly connected to the cable.

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Abstract

The invention belongs to the technical field of power maintenance and in particular relates to an electric wire anti-snow device. The electric wire anti-snow device comprises a windward tube sleeved on cable, two end covers fixedly mounted on both ends of the windward tube, two circular slide rings arranged on both ends of the inner wall of the windward tube, and a plurality of long connecting rods connected between the two slide rings. The electric wire anti-snow device has the advantages that snow on blades falls during rotation, and snow on the cable is scraped during the movement of windward tube at the same time; rotation and moving speed of the windward tube can speed up under the action of wind so as to speed up snow removal efficiency.

Description

technical field [0001] The invention belongs to the technical field of electric power maintenance, and in particular relates to a snow protection device for electric wires. Background technique [0002] With the increase of power projects, more and more power maintenance work is required, especially in areas with more rainy and snowy weather in winter, it often occurs that the cables are damaged or even broken due to excessive snow accumulation on the cables, thereby causing power interruptions, and The road to maintenance cables is often not smooth during heavy snow, so that maintenance work cannot be carried out in time, and the snow removal method currently adopted is inefficient. [0003] The application number is 201610751909.x, which discloses a rotary electric wire snow protection device, which uses different weights of snow on three snow packs to make the rolling assembly rotate, so that the snow on the snow packs falls. However, the scope of this snow prevention me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/00H02G7/16
CPCH02G7/00H02G7/16
Inventor 黄文佳
Owner 杭州东南吉通网络有限公司