Preformed Armour Rod For Vibration Damper
Vibration Dampers work to cancel damaging fatigue caused by wind-induced vibration.Most tuned damping devices operate best near their natural frequencies.Preformed armour rod for vibration damper
Product Introduction
Preformed armour rod for vibration damper
I believe that everyone living in the steel forest in the city must often see poles and high-voltage cables in their daily life, but we often do not ignore poles and high-voltage cables, or treat them as dangerous goods that will discharge and leak electricity at any time. However, did you know that unless there is a very large typhoon or a very severe earthquake, under normal circumstances, telephone poles and high-voltage cables will never shake? Why is that? It's because there are shock-proof hammers attached to poles and high-voltage cables.
The principle of shockproof hammer
Shock-proof hammer is generally used in high-voltage overhead lines with a file distance greater than 120 meters. For the steel core aluminum wire, the weight of the shock hammer is W=0.4d-2.2 kg, where d is the outer diameter of the steel core aluminum stranded wire.
The anti-vibration hammer is fixed on the overhead wire through its wire clamp. When the overhead wire vibrates, the anti-vibration hammer moves up and down, and uses the inertia of the heavy hammer to make the steel strand produce internal friction and consume most of the vibration energy of the overhead wire. The damping of the heavy weight consumes part of the energy, and the damping of the anti-vibration hammer consumes and reflects part of the energy. According to the principle of energy balance, the energy consumption of the hammer reduces the intensity of the breeze vibration.
In order to prevent and mitigate the vibration of the wire, a certain number of shockproof hammers are generally installed near the clamp of the suspended wire. When the wire vibrates, the hammer also moves up and down. Generating a force that is not synchronized or even opposite to the vibration of the wire can reduce the amplitude of the wire or even eliminate the vibration of the wire.
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