Wireless remote control device of lorry-mounted crane

The utility model belongs to the technical field of crane controllers, and particularly relates to a wireless remote control device of a lorry-mounted crane, which comprises a protection box, a remotecontrol device arranged in the protection box and a receiving device arranged on the crane controller, and a first supporting leg and a second supporting leg which are adjustable in height and foldable are arranged at the bottom of the protection box. The remote control device has the advantages that an operator does not need to hold the remote control device all the time, the movable cover platecan shade the remote control device when the remote control device is used, and the operator is prevented from operating mistakenly due to dazzling; the device is simple in structure, convenient to operate, capable of reducing mistaken touch of non-operating personnel to a certain extent, higher in safety, capable of adjusting the height of the protection box, suitable for operation of operatingpersonnel of different heig