Self-propelled aerial work platform

The utility model discloses a self-propelled aerial work platform, which comprises an operating mechanism and a support leg device. The lower surface of the platform is coupled with a mobile chassis through a revolving bench. The self-propelled aerial work platform is characterized in that the support leg device is integrated in four positions of the mobile chassis and fixedly arranged on the aerial work platform through respectively mounting seats, the mounting seats are provided with a rotating shaft vertical to the horizontal plane of the support leg device, a rotating frame is arranged through the rotating shaft and is provided with a swing shaft vertical to the rotating shaft, swing support legs are coupled respectively through the swing shaft and also coupled with flexible support legs, the flexible support legs consist of a fixed section and a flexible section, the terminals of the flexible sections of the flexible support legs are provided with a support foot, hydraulic cylinders are arranged between the mounting seats and the rotating frame, between the rotating frame and the swing support legs, and between the fixed sections and the flexible sections of the flexible support legs, and the mobile chassis adopts a rigid suspension frame and a rubber crawler track running device. The utility model has the advantages of good operating stability, high flexibility, small overall size, low self-weight, and capability of automatically running when being driven and also automatically loading and unloading.