Beam clamps are designed for affixment to beams and provide a suspension point for lifting equipment. They offer secure attachment without any need for drilling or welding.
Electric motorized trolley is a monorail trolley driven by electric motor.
Geared monorail trolley works like a chain block: it moves along the beam by a hand chain. Pulling the hand chain rotates the gears which rotate the trolley’s wheels to move smoothly and controllably along the beam.
Plain or Push Trolley requires manual handling to move along a beam.