| 摘要 |
The present invention relates to an apparatus for adjusting the height of a level measurement staff for high precision spatial image drawing using aerial images for digital map production, which is capable of, when measuring a level in soil topography in a state of original wetlands, or temporary wetlands after the rain, standing and supporting the staff in a state of being not in contact with the wet ground and then automatically adjusting the height of the staff. The apparatus according to the present invention comprises: a staff mount for standing and supporting a fixed staff, and a plurality of elevating staffs sequentially inserted into the fixed staff; a plurality of legs for allowing the staff mount to level off in an slope or a winding terrain; a staff ground contact preventing unit for preventing the lower end of the fixed staff mounted to the staff mount from being in contact with the wet ground; a power supply unit including a rechargeable battery; a rack and pinion structure and forward and reverse rotation motors for sequentially elevating the elevating staffs from the fixed staff; a control unit for controlling the drive of the forward and reverse rotation motors; and a monitor for transmitting the drive signals of the forward and reverse rotation motors to the control unit. |
