Hydraulic grab arm type trash cleaning robot with controllable grab bucket

The invention discloses a hydraulic grab arm type trash cleaning robot with a controllable grab bucket, and belongs to the field of trash cleaning robots, the hydraulic grab arm type trash cleaning robot comprises a machine body, one side face of the machine body is movably connected with a hydraulic arm, and one end of the hydraulic arm is movably connected with a grab bucket assembly; the grab bucket assembly comprises a supporting base, the top end of the supporting base is fixedly connected with a driving connecting base, a telescopic air blowing assembly is arranged in the supporting base, a cleaning assembly is arranged in the grabbing arm, the bottom end of the grabbing arm is fixedly connected with a clamping head, and a locking piece is arranged at the bottom end of the clamping head. The telescopic air blowing assembly can be driven to ascend and descend in the grab bucket assembly retracting and releasing process, that is, when the grab bucket assembly is closed, the telescopic air blowing assembly