Water flow detection device

The utility model discloses a water flow detection device, and belongs to the technical field of flow detection. Comprising a fixing part, the fixing part can stably dredge a wire and slowly convey a flow sensor and a gravity block to the bottom of detection water flow, the fixing part comprises a sleeve, two insertion pipes and fixing clamps, the two insertion pipes are inserted into the two ends of the sleeve, and the fixing clamps are rotationally arranged on the side walls of the lower portions of the two ends of the sleeve; a semi-ring block is arranged on the outer wall of the upper portion of the middle of the sleeve, and the wire is arranged in an inner cavity of the semi-ring block. After the technical scheme is adopted, compared with the prior art, the flow detection device has the advantages that the fixing part can prolong the distance between the lead of the flow sensor and the bridge and the inner wall of a wellhead, the lead is prevented from being scratched by the bridge, and the service life