Wolff Construction Cranes Phoenix

Because of the way they particularly work, hydraulic truck cranes are different from other crane types. Instead of using a winch in order to wind up cables to provide the lifting force, hydraulic cranes use oil instead. Because oil is a fluid which retains its volume, it is incompressible. Therefore, this means it is among the most ideal types 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 particular action is maneuvered by the driver from the controls inside his cab. Normally, hydraulic truck cranes utilize a pump that 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 that could control both the truck and the crane.



Other Components

Boom Telescope: The boom telescope is due to a particular hydraulic operation that allows the boom to retract or extend.



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



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



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



Load Movement Indicator: The load movement indicator is lights that flash in order to alert the operator that maximum weight is approaching.



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



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



Boom Elevation: The crane's boom ascends with the use of double hydraulic cylinders which can be lowered and raised.



Rotex Gear: The rotex gear is located underneath the cab and operated by hydraulics. It allows the boom to swivel on this gear.

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