Engineering surveying pay -off device

The utility model discloses an engineering surveying pay -off device, including storing up line case, range finder, ranging rod, rotary disk and telescopic joint, be provided with the spout on storingup one side outer wall of line case, and store up the line case and pass through the spout and install on the outer wall of the both sides of range finder, the externally mounted of range finder hasan inspection mirror section of thick bamboo, and the bottom of range finder installs the plumb line, the range finder is installed on the rotary disk, the rotary disk passes through fixing bolt to beinstalled on the base, and the bottom of base installs the supporting leg, install the second rotary disk on the back outer wall of storage line case, the supporting leg compriseed the telescopic joint and the festival of stereotyping, and the telescopic joint installs in the top of stereotyping section, install fixed bolt on one side outer wall of supporting leg. The utility model discloses a plumb line is installed to th