Multi-degree-of-freedom manipulator for mounting rail of monorail crane

The utility model relates to a multi-degree-of-freedom manipulator for mounting a monorail crane track, which comprises a mounting seat and a main arm fixing seat rotationally connected to the mounting seat, and further comprises a telescopic arm mounted on the main arm fixing seat, one end of the telescopic arm is rotationally connected with a swing mechanism, and the other end of the telescopic arm is rotationally connected with a lifting mechanism. The end, away from the telescopic arm, of the swing mechanism is rotationally connected with a clamping device, the swing mechanism comprises an inner connecting plate rotationally connected to the telescopic arm, a swing oil cylinder is installed on the inner connecting plate, the swing oil cylinder is connected with an outer connecting plate, and the clamping device is installed on the outer connecting plate. The telescopic arm comprises a first section arm installed on the main arm fixing base, a second section arm is connected into the first section arm in a