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Transmission line release and withdrawal across the flying car

A technology for transmission lines and flying cars, which is applied in the fields of withdrawing lines, crossing flying cars and power transmission lines, can solve problems such as waste of resources and affect work efficiency, and achieve the effect of reducing wear and tear.

Inactive Publication Date: 2017-07-11
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these two methods can protect 10kV lines, they seriously affect work efficiency and cause unnecessary waste of resources

Method used

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  • Transmission line release and withdrawal across the flying car

Examples

Experimental program
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Effect test

Embodiment 1

[0020] A transmission line release and withdrawal spanning flying car, including a load frame 30, two left and right symmetrical supports 10; the support 10 includes two support legs 101, the top of the support legs 101 is fixedly connected, and the bottom of the support legs 101 is separated, forming a triangle with the ground structure, the bottom of the bracket leg 101 is fixed with a pulley 1011 and a fixed rope 1012, the bottom of the pulley 1011 is provided with a groove, the groove is 30mm wide and 20mm deep, the fixed rope 1012 is 4000m in length, and can withstand a pulling force of 500kN; between the two brackets 10 The support rods 20 arranged in parallel are fixedly connected between them, and the support rods 20 are fixed on the bottom of the support legs 101; Fixed on the bottom of the fixed rod 302, the rotating rod 301 is located between the two support rods 20, the two ends of the bottom of the rotating rod 301 are fixed with a pulley 1011, and the bottom of th...

Embodiment 2

[0022] This embodiment has the same structure as Embodiment 1 except for the following features.

[0023] The support leg 101 is two tubular rods with different diameters, the connection of the two tubular rods is fixed by an adjustable bolt 40, the top of the support leg 101 is hinged, the upper tubular rod of the support leg 101 is provided with a chute for accommodating the cross bar 102, The cross bar 102 and the bracket leg 101 are fastened by adjustable bolts 40; the cross bar 102 is a telescopic structure, and the cross bar 102 can adopt two tubular rods with different diameters, and an adjustable bolt is provided on the outer tubular rod. The adjustable bolt 40 is used to fix the length of the cross bar 102; The adjustable telescopic length of the two support legs 101 is 0-1000mm.

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PUM

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Abstract

The invention discloses a transmission line release and withdrawal crossing speeder, which belongs to the field of installation, maintenance and repair equipment for overhead lines or cables, and is used to solve the need to lower the crossing 10kv line during the transmission line release and withdrawal process. ground, resulting in low work efficiency. The present invention comprises a bearing frame and two left-right symmetrical brackets; the bracket includes two bracket legs, the tops of the bracket legs are connected together, the two bracket legs form a triangular structure with the ground, and pulleys and fixed ropes are installed at the bottom ends of the bracket legs; the bearing frame includes A rotating rod and a fixed rod, the rotating rod is located between two support rods, pulleys are fixed at both ends of the rotating rod, and the fixed rod is fixedly connected with the bracket. The invention has a wide range of applications, can significantly improve the work efficiency of setting and withdrawing wires, and can protect the crossed wires at the same time.

Description

technical field [0001] The invention belongs to the field of installation, maintenance and repair equipment for overhead lines or cables, and in particular relates to a flying vehicle for releasing and withdrawing transmission lines. Background technique [0002] During the release and withdrawal of transmission lines, when the line crosses 10kV, in order to protect the 10kV line, it is necessary to cut off the power of the line and take corresponding safety measures. The main methods currently used are: ① lowering the 10kV line to the ground; ② building a reliable spanning frame. Lowering the 10kV line not only requires a lot of manpower and material resources, but also increases the labor intensity and working time of the operators. The cost of building a spanning frame is extremely high, and a large number of operators need to be invested. Although these two methods can protect 10kV lines, they have seriously affected work efficiency and caused unnecessary waste of reso...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02
Inventor 刘洋赵勇陈星延崔永森高成成林建
Owner STATE GRID CORP OF CHINA
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