An active suction cup includes a vacuum chamber provided with at least one opening with an elastic rim adapted to be applied against a surface sealingly closing the chamber vacuum, and air extraction means from inside the chamber, adapted to extract the air from inside the chamber to reduce the pressure inside the chamber so that the suction cup remains adhered to the surface. The suction cup is characterized in that the air extraction means are arranged inside the vacuum chamber and connected to a conduit that opens outside the chamber, the suction cup also comprising a pressure sensor inside the chamber to detect the pressure inside the chamber. The pressure sensor is connected to control means adapted to actuate the air extraction means if the pressure detected by the pressure sensor is greater than a predetermined maximum pressure threshold.