Lifting type geographic surveying and mapping instrument

The utility model discloses a lift type geographical surveying and mapping instrument, which belongs to the technical field of surveying and mapping instruments and comprises a support cylinder and a liquid storage cylinder arranged on one side of the support cylinder, the liquid storage cylinder is communicated with the support cylinder through a communicating pipe, a threaded rod is mounted on the lower portion of the liquid storage cylinder, and the threaded rod is connected with the liquid storage cylinder. The upper end of the threaded rod and the lower end of the communicating pipe are each provided with a piston. By rotating the threaded rod, the piston on the threaded rod can squeeze hydraulic oil into the supporting barrel from the liquid storage barrel, then the piston at the lower end of the communicating pipe can be squeezed upwards, the liquid storage barrel can be driven to move upwards, and similarly, a support and a surveying instrument which are installed at the upper end of the liquid storag