Device for tensioning a truck tarpaulin

The tensioning arrangement (10) has a moving element (11) for generating voltage in a tarpaulin (20). The moving element is formed to exert a force on the tarpaulin such that the tarpaulin is clamped in planar manner. The moving element is provided with a variable outer contour portion. The movable element is expanded by fluid actuation. An independent claim is included for a load security system for vehicle.