154HC Mast Section The role of the tower crane safety
Limit Maximum lifting weight, height limiter: limit the maximum lifting height, amplitude limiter: limit the maximum and minimum amplitude of the boom, Rotary limiter: prevent the tower crane from rotating in the same direction to break the cable, rope release device: prevent the wire rope from leaving the working position, car Rope break device: to prevent the car wheel broken axle after falling, all parts of the brake: that is the working device is also a safety device
154HC Mast Section154HC mast section good at in this field
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