Wolff Construction Cranes Oakland

Because of the way they particularly operate, hydraulic truck cranes are different from other crane models. As opposed to utilizing a winch in order to wind up cables to provide the lifting force, hydraulic cranes utilize oil instead. Since oil is a fluid which retains its volume, it is incompressible. Therefore, this means it is among the most ideal kinds of fluids for pushing pistons towards the direction the force is going to be exerted.



The pressure created by the hydraulic pump moves the piston. This action is maneuvered by the driver from the controls inside his cab. Typically, hydraulic truck cranes utilize a pump which has 2 gears.



The truck mounted crane can move from one site to another with little need for dismantling. The truck crane has one engine which controls both the truck and the crane.



Other Components

Boom Telescope: The boom telescope enables the boom to extend or retract because of hydraulics.



Jib: The jib is a latticed structure which extends from the boom.



Boom Swing: The boom swing is a large ball or roller that is attached to the carrier. It is able to swing 360 degrees in both directions. Hydraulic mechanisms provide swings at various speeds and control the swing in order to rotate the turntable gearbox.



Outrigger: The outrigger is a unit which helps the crane maintain its balance by using hydraulics to lift the truck.



Load Movement Indicator: In order to alert the operator that maximum weight is approaching, the load movement indicator's lights flash.



Pump: The pump is the mechanism responsible for steering the outrigger.



Steel Cables: Steel reinforced cables run through the boom and the jib. They can generate up to 14,000 lbs. or 6350 kg.



Boom Elevation: The crane's boom ascends with the use of double hydraulic cylinders that are capable of being lowered and raised.



Rotex Gear: The rotex gear is operated by hydraulics and situated under the cab. It enables the boom to swivel on this gear.

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