The paper analyses the dynamic behaviour of supporting structure of an overhead crane during the operation of a hoisting mechanism.The crane is expected to Food Blenders operate with a hook and to carry 50 kN of weight.The electric hoist consists of an asynchronous motor with a magnetic brake, a two-level planet gear, a load drum and an upper block.Non-linear equations of motion of a crane hoisting mechanism are derived.
Real dynamic forces and their influence on the hoisting crane behaviour are obtained.Numerical results of the crane are derived considering two hoisting regimes Circle S Barrel Saddle during the operation of the hoisting.