Content text 1.8 Hydraulic lift , Crane.pdf
Direct Acting Hydraulic Lift • It consists of a ram, which is sliding in fixed cylinder; at the top of the sliding ram, a cage (on which the persons may stand or goods may be placed) is fitted • The liquid under pressure flows into the fixed cylinder. This liquid exerts force on the sliding ram, which moves vertically up and thus raises the cage to the required height. • The cage is moved in the downward direction by removing the liquid from the fixed cylinder