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Two-way anti-displacement device and method for power transmission line tension stringing

A technology for transmission lines and tension stringing, applied in the direction of overhead lines/cable equipment, etc., can solve problems such as flicking of wire ends, damage to important facilities, and inability to protect important facilities, and achieve the effect of improving safety and stability

Inactive Publication Date: 2020-02-28
STATE GRID SHANDONG ELECTRIC POWER COMPANY WEIFANG POWER SUPPLY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the force analysis of the spanning frame, only the bearing capacity of the spanning frame to withstand the gravity impulse is often considered, and the factor of the transverse tension impulse is ignored. Tail whipping occurs, and the spanning frame cannot effectively protect important facilities, which may cause serious damage to important facilities

Method used

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  • Two-way anti-displacement device and method for power transmission line tension stringing
  • Two-way anti-displacement device and method for power transmission line tension stringing

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Embodiment Construction

[0034] Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. Interchangeability, the above description has generally described the components and steps of each example in terms of function. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the present invention.

[0035] The block diagrams shown in the figures are merely functional entities and do not necessarily necessarily correspond to physically separate entities. That is, these functional entities may be implemented in software, or in one or more h...

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Abstract

The invention provides a two-way anti-displacement device and method for power transmission line tension stringing. A driving mechanism, a first line speed measuring module, a second line speed measuring module, a first clamping mechanism and a second clamping mechanism are connected to a single-chip microcomputer. The first clamping mechanism is arranged close to the first line speed measuring module. The second clamping mechanism is arranged close to the second line speed measuring module. The single-chip microcomputer obtains the running speed of the power transmission line at a first sideportion through the first line speed measuring module, obtains the running speed of the power transmission line at a second side portion through the second line speed measuring module, and instructs the second clamping mechanism to lock the power transmission line and stops the driving mechanism when the obtained running speed of the power transmission line at the first side portion is greater than a preset threshold. The device can pass a wire normally during a normal laying process, and can fix the wire to a pulley or an iron tower in time once the wire breaks, thereby greatly improving thesafety and stability of the power transmission line construction.

Description

technical field [0001] The invention relates to the technical field of power transmission lines, in particular to a bidirectional anti-running device and method for tension erection lines of power transmission lines. Background technique [0002] Tension pay-off refers to the erection construction method in which the laid-out wires maintain a certain tension and leave the ground in an overhead state during the whole process of erection construction. According to the "Wiring Construction Operation Instructions", the power lines above 220kV must be tensioned, and the optical cables or wires are not allowed to be dragged to the ground during the payout process. Therefore, the wire itself will accumulate a certain amount of energy due to the tension exerted on the wire and its own gravity during the pay-off process. In the force analysis of the spanning frame, only the bearing capacity of the spanning frame to bear the gravitational impulse is often considered, and the factor o...

Claims

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Application Information

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IPC IPC(8): H02G1/04
CPCH02G1/04
Inventor 朱庆钢赵学周梁刚王志浩孙明星金阿龙王世伟武明伟郑玉浩刘大伟卜祥龙王世磊
Owner STATE GRID SHANDONG ELECTRIC POWER COMPANY WEIFANG POWER SUPPLY
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