Wolff Construction Cranes Austin

Hydraulic truck cranes are different from other crane models due to the way they particularly work. Hydraulic cranes use oil rather than using a winch in order to wind up cables to provide the lifting force. As oil is a fluid that retains its volume, it is incompressible. Hence, this means it is one of the most ideal types of fluids for pushing pistons towards the direction the force is going to be exerted.



The pressure generated by the hydraulic pump moves the piston. This action is maneuvered by the driver utilizing the controls within his cab. Normally, hydraulic truck cranes use a 2 gear pump.



Because the actual crane itself is mounted on a truck, it is able to travel many distances from site to site and there is little dismantling involved. The truck crane has a single engine that can control both the crane and the truck.



Other Components

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



Jib: Jibs are latticed structure booms..



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



Outrigger: Outriggers are units which cranes will utilize to maintain its balance. It uses hydraulics to lift the truck.



Load Movement Indicator: The load movement indicator is lights which flash in order to alert the driver 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 could generate up to 14,000 lbs. or 6350 kg.



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



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

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