“Adjustable Leg” or “Telescopic Leg” It is a very useful feature. When the crane is under no-loading, the leg can be extended to by 20% -40%of the original height, to make the whole gantry higher, therefore, the gantry crane will give a higher effective lifting height. This is much flexible than a fixed height gantry crane.
EMH1 Adjusted by Manual Winch
By 2 units of manual winches, the legs of the gantry can be extended easily.
EMH2 Adjusted by Manual Screw
Manual Screw driving is a electrical drives to extend the leg. The asending of the leg can be at “mm” scale and no-pin needed for lock the leg.
EMH3 Adjusted by Electrical Screw
Electrical Screw driving is a electrical drives to extend the leg. The asending of the leg can be at “mm” scale and no-pin needed for lock the leg.