Wolff Construction Cranes Salem

Due to the way they specifically operate, hydraulic truck cranes are different compared to other crane models. Instead of utilizing a winch in order to wind up cables to provide the lifting force, hydraulic cranes utilize oil instead. Because oil is a fluid which retains its volume, it is incompressible. Therefore, 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 from the controls inside his cab. Normally, hydraulic truck cranes make use of a 2 gear pump.



The truck mounted crane can move from one location 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 allows the boom to retract or extend because of hydraulics.



Jib: Jibs are latticed structure booms..



Boom Swing: Boom swings have a large ball or roller 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: Outriggers are units that cranes would use to maintain its balance. It utilizes 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's purpose is to steer the outrigger.



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



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



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

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