PURPOSE: An image drawing combining system for drawing an image based geographic information is provided to easily obtain numeric information by adjusting upper/lower locations of a camera. CONSTITUTION: A lubricant emitting hole opening and closing device(140) includes a lubricant emitting hole opening and closing tool and an opening and closing spring. The lubricant emitting hole opening and closing tool includes a protrusion unit(141a) and an insertion unit(141b). An exposed surface of the protrusion unit is round. The protrusion is installed in a guide to open/close a lubricant emitting hole. One end of the insertion unit is expanded from the protrusion unit. The opening and closing spring elastically supports the lubricant emitting hole opening and closing tool.
