Wolff Construction Cranes Tucson

Hydraulic truck cranes are different from other crane types because of the way they specifically operate. Hydraulic cranes utilize oil rather than utilizing a winch in order to wind up cables to provide the lifting force. As oil is a type of fluid that retains its volume, it is incompressible. Therefore, this means it is amongst the most ideal kinds of fluids for pushing pistons towards the direction the force is going to be exerted.



The hydraulic pump generates a pressure which moves the piston. This particular action is maneuvered by the operator using the controls in his cab. Usually, hydraulic truck cranes utilize a pump that has 2 gears.



As the actual crane itself is mounted on a truck, it can travel many 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 Parts

Boom Telescope: The boom telescope is due to a specific hydraulic operation which enables the boom to extend or retract.



Jib: Jibs are latticed structure booms..



Boom Swing: The boom swing is a large roller or ball which is connected to the carrier. It can swing 360 degrees in both directions. Hydraulic devices provide swings at varying speeds and control the swing in order to revolve the turntable gearbox.



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



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



Pump: The pump's purpose is to steer the outrigger.



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



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



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

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