Hydraulic drive

A hydraulic drive, comprising:

• a differential cylinder having:
• a cylinder chamber;
• a cylinder piston being arranged in a displaceable manner in the cylinder chamber, the cylinder piston separating the cylinder chamber into a piston side and a ring side, each of the piston side and the ring side having a variable volume;
• a piston rod being connected to the cylinder piston, the cylinder piston being arranged to extend and retract the piston rod, the piston rod being arranged on the ring side of the cylinder piston;
• and
• a short-circuit line having a single switching valve for optionally shutting off the short-circuit line in a fluid-tight manner, the short-circuit line connecting the piston side and the ring side in a fluid conducting manner, the switching valve being in the form of a multi-way valve including a spring to pre-load the multi-way valve into an open position, the spring being adapted to allow the multi-way valve to move into a blocking position when subjected to a pressure on the piston side;
• and
• a hydraulic pump being connected to the differential cylinder via a plurality of hydraulic lines, the plurality of hydraulic lines being configured to deliver a hydraulic fluid optionally to the piston side or the ring side and thus to displace the cylinder piston in alternating fashion in the cylinder chamber.