Machinery is in starting, tires from the static state suddenly turn, if started speed of conduct pipe, tires and road surface friction violently, can accelerate the tread wear. Therefore, engineering machinery start don't conduct pipe......

Electric crane operation and maintenance procedures column to ensure the safety in production, now make electric hanging bar operation and maintenance procedures.Electric hanging bar by the specialist is responsible use......

before operation, should rail clamp brought, remove obstacles in orbit, twist good splint screw,homework, we should take cab open the window, pay attention to the traffic signals.Winter driving indoor heating, should have fire prevention......

The wire rope broken wire number, corrosion (wear) amount, and the deformation, use the length and fixed state should comply with the national standard provisions,the selection of wire rope should comply with the requirements......

With the increase of the use frequency of the crane, all kinds of accidents is rising, the most common accident was overturned and folding boom. The main cause is overturned accident crane lose stability. The cause of the loss of stability is hanging heavy overload......