Water taking permission measuring and controlling instrument for irrigating underground water

The utility model relates to the technical field of measurement and control instruments, and provides an irrigation groundwater intaking permission measurement and control instrument which comprises a protection box, limiting grooves are formed in the lower ends, close to the inner opposite faces, of the protection box, limiting blocks are movably embedded in the two limiting grooves, and bottom plates are fixedly installed on the opposite faces of the two limiting blocks. A rack is arranged in the center of the outer surface of the bottom of the bottom plate, and the through groove is formed in the bottom, close to the front end, of the protection box. The measurement and control instrument body is fixedly installed on the outer surface of the bottom plate, the rotating disc rotates the connecting shaft to drive the gear to rotate, and the gear is meshed with the rack arranged on the bottom plate, so that the gear can drive the bottom plate to move in the protection box through the rack, and the limiting blo