L68A1 Mast Section What kind of influence will microwave and high frequency electromagnetic wave have on tower crane?
The influence of microwave and electromagnetic wave on tower crane If the installation position of tower crane is just in the transmission channel of microwave communication or near the transmitting antenna of radio station, it will be interfered by microwave and high-frequency electromagnetic wave. Even when all the switches are closed and the power is cut off, the hook of tower crane will be "live". When the hook touches the ground metal, there will be small sparks. When the human body contacts the hook, there will be electric shock and burning sensation, which is easy to cause fear and secondary injury in the heart To solve these problems, we should start from the following aspects:
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1. Install insulated nylon sling on the hook, directly hang it on the hook, and the sling is 0.5-1m long.
2. Operators of hook must wear insulating shoes and gloves.
3. Strengthen supervision and prevention to prevent other personnel from contacting the hook.
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