Tempering damper system used for improving wind resistance stability of transmission tower based on single pendulum model

Abstract

The invention relates to a tempering damper system used for improving wind resistance stability of a transmission tower based on a single pendulum model. The damper system is composed of a spheroid mass block, a bracket, oil pressure type dissipation energy dampers, an oil pressure type anticollision damper, steel ropes and a buffering steel ring and the like, wherein the spheroid mass block is composed of a roundness steel disc; four groups of steel ropes support the lower half part of the spheroid mass block through the bracket and four groups of oil pressure type dissipation energy dampers are arranged around the bracket to achieve the purpose of energy consumption and vibration attenuation; in addition, when the swing amplitude of the spheroid mass block is oversize, and a tubular steel bar arranged below the bracket can collide the buffering steel ring so as to slow down the motion of the buffering steel ring; and the performance of the tempering damper system mainly depends on the size of rotational inertia, if the rotational inertia ratio of the tempering damper system to a controlled system is larger, the control effect is better. The tempering damper system is suitable for transmission towers of different tower types, is easy to install, and can obviously improve the wind resistance stability property of the transmission tower.

Description

technical field [0001] The invention relates to a device for improving the wind-resistant stability of a power transmission tower, in particular to a tuned-mass damping system for improving the wind-resistant stability of a power transmission tower based on a single pendulum model. Background technique [0002] With the development of the power industry, the voltage level of the power grid continues to increase, and the height of the tower and the span of the transmission line also increase. Under the action of wind load, the wind vibration effect of the transmission line tower is more significant. With the construction of my country's UHV power grid and the popularization and application of new transmission technologies such as multi-circuit lines on the same tower, compact lines, and large-section wires, the development trend of large-load and large-scale transmission towers is becoming more and more obvious. UHV, long-span and some towers with multi-circuit lines on th...

AI Technical Summary

Problems solved by technology

[0004] In addition, with the increase in the size of the tower, the size of the cross arm of the tower is also significantly larger

The torsional capacity of the cross-arm of the pole tower is generally weak, and the unbalanced tension of the wires at both ends caused by the wind load is easy to cause torsion damage.

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