A tired gantry crane for receiving power in a contactless fashion, comprising: a rechargeable battery provided to supply power from the inside thereof; and a power collecting unit configured to receive power from a power supply unit installed at the outside, wherein the power supply unit and the power collecting unit are configured to interact with each other by means of magnetic induction, wherein the tired gantry crane further comprises a power controller for managing supply of power, and wherein the power controller is configured to control supply of power through the rechargeable battery formed therein and the power supply unit depending on an operation state of the tired gantry crane, characterized in that the tired gantry crane further comprises a unit for detecting a moving direction and a tension of a rope to which a container is suspended, in that the power controller is configured to control to supply power from the power supply unit to a load based on the moving direction and the tension of the rope, in that when (i) the moving direction of the rope is a lifting direction and the tension applied to the rope is greater than a reference value or (ii) the moving direction of the rope is a landing direction and the tension applied to the rope is greater than the reference value, the power controller is configured to supply power from both the rechargeable battery and the power supply unit to a motor which operates as a load, and in that when (i) the moving direction of the rope is a lifting direction and the tension applied to the rope is smaller than a reference value or (ii) the moving direction of the rope is a landing direction and the tension applied to the rope is smaller than the reference value, the power controller is configured to supply power from the rechargeable battery to the motor which operates as a load, and the power from the power supply unit is arranged to be used for charging the rechargeable battery. a rechargeable battery provided to supply power from the inside thereof; and a power collecting unit configured to receive power from a power supply unit installed at the outside, wherein the power supply unit and the power collecting unit are configured to interact with each other by means of magnetic induction, wherein the tired gantry crane further comprises a power controller for managing supply of power, and wherein the power controller is configured to control supply of power through the rechargeable battery formed therein and the power supply unit depending on an operation state of the tired gantry crane, characterized in that the tired gantry crane further comprises a unit for detecting a moving direction and a tension of a rope to which a container is suspended, in that the power controller is configured to control to supply power from the power supply unit to a load based on the moving direction and the tension of the rope, in that when (i) the moving direction of the rope is a lifting direction and the tension applied to the rope is greater than a reference value or (ii) the moving direction of the rope is a landing direction and the tension applied to the rope is greater than the reference value, the power controller is configured to supply power from both the rechargeable battery and the power supply unit to a motor which operates as a load, and in that when (i) the moving direction of the rope is a lifting direction and the tension applied to the rope is smaller than a reference value or (ii) the moving direction of the rope is a landing direction and the tension applied to the rope is smaller than the reference value, the power controller is configured to supply power from the rechargeable battery to the motor which operates as a load, and the power from the power supply unit is arranged to be used for charging the rechargeable battery.