Hydraulic engineering water level detection device

The utility model relates to a hydraulic engineering water level detection device discloses a mode of going up and down through the spiral, carries out the device that detects to the water level. Itscharacterized in that it has the spout to open on the main part section of thick bamboo, in the spout is arranged in to spacing one end, on main part section of thick bamboo outer wall is arranged respectively in to the scaled scale of main part section of thick bamboo overhead, and be located spout one side, two fixed ears, distribute about and, on main part section of thick bamboo inner wall isarranged in to spacing arch, main part section of thick bamboo inner wall overhead is threaded, in a main part section of thick bamboo is arranged in to the float, and is located spacing bellied top,on the float is arranged in to the fixed block, in a main part section of thick bamboo is arranged in to the thread bush, and main part section of thick bamboo inner wall on the screw thread mesh mutually, it has the ring chann