Wolff Construction Cranes Eugene

Hydraulic truck cranes are different from other crane types due to the way they specifically work. Hydraulic cranes use oil instead as opposed to utilizing a winch in order to wind up cables to provide the lifting force. Since 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 hydraulic pump generates a pressure that moves the piston. This particular action is maneuvered by the operator utilizing the controls in his cab. Usually, hydraulic truck cranes utilize a pump that has 2 gears.



Since the actual crane itself is mounted on a truck, it is able to travel numerous distances from job to job and there is little dismantling involved. The truck crane has one engine which controls both the truck and the crane.



Other Components

Boom Telescope: The boom telescope allows the boom to retract or extend thanks to hydraulics.



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



Boom Swing: Boom swings have a big roller or ball connected to the carrier. It can swing 360 degrees in both directions. Hydraulic devices control the swing and provide swings at various speeds in order to revolve 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: The load movement indicator is lights that flash in order to warn the operator that maximum weight is approaching.



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



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



Boom Elevation: The crane's boom ascends using double hydraulic cylinders which allow for lowering and raising supplies.



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

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