Laser radar three-dimensional surveying and mapping device

The utility model relates to the technical field of data laser surveying and mapping, in particular to a laser radar three-dimensional surveying and mapping device, which is characterized in that a structural member is of a fixedly arranged annular structure and is provided with a horizontally through inner cavity, a threaded rod is vertically arranged, and a threaded sleeve is sleeved outside the threaded rod through threads; a boss structure protruding outwards in the radial direction of the threaded sleeve is arranged outside the threaded sleeve, a guide straight groove extending in the radial direction of the threaded sleeve is formed in the outer end face of the boss structure, the horizontal moving piece is inserted into the guide straight groove and can linearly slide along the guide straight groove, and the outer side end of the horizontal moving piece is horizontally hinged to the tail of the swing base. The middle part of the swing seat is horizontally hinged to the inner wall of the inner cavity; t