Cranes knowledge summary

A  lift hoist  is one for Hoist equipment , intermittent movement of machinery. A work cycle include: extract extract means to put items from the lift, and then move to the designated place lower level items, followed by a reverse movement, so extract unit returns to original position for the next cycle.
Brief introduction
lift hoiste is in a range of vertical lifting and horizontal multi-action  hoist equipment   Also known as the crane. Belong material handling machinery. Crane's work is characterized by intermittent exercise to do that in a work cycle reclaimer, transport, unloading and other activities of the appropriate agency is working alternately.
Lifting machinery, is used for vertical lifting or moving heavy objects vertically and horizontally mechanical and electrical equipment, and its range is specified rated capacity greater than or equal to 0.5t lift; nominal weight greater than or equal to 1t, and the lifting height is greater than or equal to 2m cranes and load-bearing fixed in the form of electric hoist, etc.
Usuallyhoist equipment includes  a  lift hoist  hoisting mechanism (the items up and down movement), operating agencies (the lifting movement), luffing and slewing mechanism (the article for horizontal movement), plus the metal body, power units, steering control and the necessary combination of auxiliary devices.