Fixed point marking device for surveying and mapping

• Main Authors: GONG YI, PENG XIANYOU, LIANG YONGGANG
• Format: Patent
• Language: Chinese; English
• Published: 06.02.2024
• 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; GYROSCOPIC INSTRUMENTS; HEATING; LIGHTING; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; MECHANICAL ENGINEERING; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; STANDS OR SUPPORTS; SURVEYING; TESTING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to the technical field of surveying and mapping marking, and discloses a fixed point marking device for surveying and mapping, which comprises a positioning cylinder, a rotating rod movably connected inside the positioning cylinder, a marking rod inserted at the bottom end of the rotating rod, a square rod fixedly connected at the top end of the rotating rod, a ratchet wheel clamped on the outer surface of the square rod, a rotating head arranged on the outer surface of the ratchet wheel, and a ratchet rotatably connected inside the rotating head, springs are inserted into the outer surfaces of the thorns, a handle is fixedly connected to the outer surface of the rotating head, a hinged support is fixedly connected to the outer surface of the positioning cylinder, and a treading plate is rotationally connected to the inner side of the hinged support. Through the arrangement of the rotating rod, the ratchet wheel and other components, when the positioning cylinder is located on the ma