Robot system for realizing millimeter-level elevation measurement based on laser technology

The invention discloses a robot system for realizing millimeter-level elevation measurement based on a laser technology. The robot system comprises an intelligent navigation robot, a laser receiving reference rod and an AIOT platform, wherein the intelligent navigation robot is provided with a laser emitting device; the laser emitting device fixes a light source mounting rod through a homologous regulation and control table in homologous design, the light source mounting rod is provided with a laser emitter for emitting horizontal line beam-shaped laser and a laser distance measuring sensor for emitting vertical line beam-shaped laser, and the light source mounting rod is further provided with an RTK module used for robot positioning and navigation; the laser receiving reference rod is vertically arranged on a ground reference point with a known elevation, and an annular laser receiving sensor is arranged on a liftable vertical rod of the laser receiving reference rod in a sleeving manner and is used for rece