Surveying and mapping instrument for topographic appearance surveying and mapping

• Main Author: MA TIANZHU
• Format: Patent
• Language: Chinese; English
• Published: 20.12.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a surveying instrument for topographic appearance surveying and mapping in the technical field of surveying and mapping devices, the surveying instrument comprises a connecting seat and fixing sleeves, the fixing sleeves are arranged at the triangular positions of the bottom end of the connecting seat, and sliding rods are installed in the fixing sleeves. According to the surveying instrument, an auxiliary lifting adjusting mechanism composed of a handle, a main gear, an auxiliary gear, a threaded column and a threaded sleeve is arranged, when the height of the surveying instrument is adjusted, the height of the surveying instrument is preliminarily adjusted through a triangular frame and supported, then the handle is rotated, the auxiliary gear is driven to rotate through the main gear, and the auxiliary gear is driven to rotate through the threaded sleeve; in the rotating process of the auxiliary gear, the threaded column rotates along with the auxiliary gear, then the threaded sleev