Urban water environment monitoring device and monitoring method

The invention discloses an urban water environment monitoring device and method, and relates to the technical field of environment monitoring, the device comprises a bottom plate, a second water pumping barrel and a threaded rod are arranged in a first water pumping barrel, and a connecting rod is fixedly connected to the top end of the threaded rod and penetrates through the upper surface of the first water pumping barrel; a first belt wheel is arranged at the top end of the connecting rod, a first motor is arranged on the second fixing plate, the output end of the first motor is connected with a second belt wheel, a transmission belt is arranged between the first belt wheel and the second belt wheel, and a threaded barrel is fixedly connected in the second water pumping barrel through a plurality of first connecting columns; the first motor is started, the threaded rod is driven to rotate through the transmission belt, the threaded rod is rotationally connected with the threaded barrel in a threaded mode, t