Vertical profile water quality monitoring device

A vertical section water quality monitoring device comprises a monitoring cabinet, a gravity device and a monitoring module, the gravity device comprises a first gravity anchor block, a second gravity anchor block and a first pulley, the first pulley is arranged on the monitoring cabinet, and the first gravity anchor block and the second gravity anchor block are connected through a first cable; the first cable is hung on the first pulley, so that the first gravity anchor block and the second gravity anchor block are respectively positioned on two different sides; a first driving device and a second driving device are arranged in the monitoring cabinet, a second cable is arranged on the first driving device, a cable is arranged on the second driving device, a second pulley is arranged on the first gravity anchor block, the monitoring module is connected with the second cable and the cable, and the second cable penetrates through the second pulley and then is connected with the monitoring module. The length of