Vertical surveying and mapping device convenient to fix

The invention relates to the technical field of surveying and mapping devices, and discloses a vertical surveying and mapping device convenient to fix, the vertical surveying and mapping device comprises a stand column, a balance mechanism and a supporting mechanism are arranged on the stand column, the balance mechanism comprises three sliding grooves sequentially formed in the outer wall of the stand column, and three linear motors are fixedly installed on the inner walls of the three sliding grooves correspondingly; the rotor ends of the linear motors slide along the inner walls of the sliding grooves and drive one ends of the dampers to ascend and descend, so that the supporting arms are pushed to adjust the height of the device, the three guide rail clamping devices are fixedly installed at the rotor ends of the three linear motors correspondingly and clamped to rails of the three linear motors correspondingly, and the rails of the linear motors are locked through the guide rail clamping devices. When th