single girder overhead cranes

Lifting height refers to the top surface of the grab cranes orbit (or floor) to the vertical single girder overhead cranes distance between the extreme positions extract device, The magnitude of the rotational arm erecting crane means horizontal rotation centerline and extract means the distance between the vertical line, in units of the Working speed is the crane working body at rated load and stable operation speed.From the weight refers to lifting heavy objects mass,electric winches Can be divided into nominal weight, maximum weight, the total starting weight, effective from the weight and so on.