Tightening instrument for power transmission and distribution lines

A technology of transmission and distribution lines and wire tightening instruments, which is applied in the direction of instruments, electromagnetic measuring devices, force/torque/power measuring instruments, etc., can solve the problems such as difficulty in determining whether the degree of wire tightening is in place, and achieve accurate and convenient tension values ​​at the hanging points. The effect of using and saving operation time

Pending Publication Date: 2018-12-21
YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a wire tensioning instrument for transmission and distribution lines to solve the problem that it is difficult to determine whether the degree of wire tension is in place when the existing wire tensioning instrument is in use.

Method used

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  • Tightening instrument for power transmission and distribution lines
  • Tightening instrument for power transmission and distribution lines
  • Tightening instrument for power transmission and distribution lines

Examples

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Effect test

Embodiment 1

[0048] A wire tensioner for transmission and distribution lines, comprising a body of the wire tensioner, the body of the wire tensioner includes a positioning hook 1, a tightening gear 2, a handle 3, and a pull hook 4, and the positioning hook 1 is connected to the retractor through a column resistance sensor One end of the tightening gear 2, the drag hook 4 is connected to the other end of the tightening gear 2 through a twisted wire, and the handle 3 drives the tightening gear 2 to rotate; the column resistance sensor is connected with a dynamic resistance strain gauge 6, and the dynamic resistance strain gauge 6 is provided with Rally display module7.

[0049] The body of the wire tensioner is the prior art, the positioning hook 1 is used to fix the body of the wire tensioner, the pull hook 4 pulls the wire to be tightened, the handle 3 drives the tightening gear 2 to rotate, and the tightening gear 2 pulls the pull hook 4 through the stranded wire Thus tightening the line. ...

Embodiment 2

[0051] A wire tensioner for transmission and distribution lines, comprising a body of the wire tensioner, the body of the wire tensioner includes a positioning hook 1, a tightening gear 2, a handle 3, and a pull hook 4, and the positioning hook 1 is connected to the retractor through a column resistance sensor One end of the tightening gear 2, the drag hook 4 is connected to the other end of the tightening gear 2 through a twisted wire, and the handle 3 drives the tightening gear 2 to rotate; the column resistance sensor is connected with a dynamic resistance strain gauge 6, and the dynamic resistance strain gauge 6 is provided with The tension display module 7 and the dynamic resistance strain gauge 6 are also sequentially connected with an input module 8, a single-chip microcomputer that compares the measured value of the column resistance sensor with the input value of the input module 8, and a tension reminder module 9. The tension reminder module 9 includes a signal convers...

Embodiment 3

[0054] A wire tensioner for transmission and distribution lines, comprising a body of the wire tensioner, the body of the wire tensioner includes a positioning hook 1, a tightening gear 2, a handle 3, and a pull hook 4, and the positioning hook 1 is connected to the retractor through a column resistance sensor One end of the tightening gear 2, the drag hook 4 is connected to the other end of the tightening gear 2 through a twisted wire, and the handle 3 drives the tightening gear 2 to rotate; the column resistance sensor is connected with a dynamic resistance strain gauge 6, and the dynamic resistance strain gauge 6 is provided with The tension display module 7 and the dynamic resistance strain gauge 6 are also sequentially connected with an input module 8, a single-chip microcomputer that compares the measured value of the column resistance sensor with the input value of the input module 8, and a tension reminder module 9. The tension reminder module 9 includes a signal convers...

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PUM

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Abstract

The invention relates to the field of electric power construction, in particular to a tightening instrument for power transmission and distribution lines. A tightening instrument for power transmission and distribution lines comprises a tightening instrument body, wherein the tightening instrument body comprises a positioning hook (1), a tightening gear (2), a handle (3), and a hook (4); the positioning hook (1) ) is connected to one end of the tightening gear (2), the hook (4) is connected to the other end of the tightening gear (2) by a twisted wire, and the handle (3) drives the tighteninggear (2) to rotate; the tightening instrument body is provided with a tension sensor (5) for measuring the tension on the positioning hook (1), and the tension sensor (5) is connected with a dynamic resistance strain gauge (6) that is provided with a tension display module (7). The invention can guide the state of wires while being tightened, thereby avoiding the wires being too tight or too loose.

Description

technical field [0001] The invention relates to the field of electric power construction, in particular to a line tensioning instrument for transmission and distribution lines. Background technique [0002] Conductance and ground sag of overhead transmission lines are important parameters for power production. At present, the sag control methods of tight wires and ground wires mainly include: [0003] 1. Theodolite tight line method, set the theodolite in the direction along the line, calculate the tangent angle corresponding to the standard sag value of the guide and ground wires in advance, first adjust the theodolite to the corresponding angle, when the guide and ground wires are tangent to the crosshairs of the theodolite , the measurer informs the line tightening operator to scribe and crimp. [0004] 2. Observation plate tightening method: tie the observation plate on the towers at both ends of the observation gear of the tight line. When the guide and ground wires a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/00G01B7/16H02G1/04
CPCH02G1/04G01B7/18G01L5/0033
Inventor 曹家军周自更杨东黄双得解建华张贵军许保瑜王胜伟吴让新王宾徐家勇陈海东施海旻钱晓明顾本权高若昕刘磊
Owner YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU
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