Large ceiling fan safety

1, safety ring: accident occurred, the safety ring played a protective role to prevent any part of the slide;

2,y: All the blades are connected together;

3, Fasteners: All fasteners are used in the United States to lock self-locking nut, strength up to 12.9 industrial bolts, the actual stress up to 10 times times;

4, wire traction: each wire cable tensile strength can be as high as 1000KG, each connection point set double protection; 5, electrical protection, inverter set the overload alarm function, an unknown special situation, the inverter will automatically cut off the power, stop running.