Sprayed concrete jet flow testing device and method with adjustable parameters

The invention provides a sprayed concrete jet flow testing device and method with adjustable parameters, and relates to the technical field of concrete slurry spraying testing devices. The sprayed concrete jet flow testing device comprises a hydraulic system, a pumping system, a spraying system and a monitoring system, the hydraulic system comprises a hydraulic pump station and a hydraulic cylinder, the pumping system comprises a collecting pipe, and the spraying system comprises a blower, a thin flow pipe, an air inlet, a transparent pipe and a nozzle; the monitoring system comprises an industrial camera, a pressure transmitter, an impact force sensor and a gravity sensor, the hydraulic pump station is connected with the hydraulic cylinder, the hydraulic cylinder is meshed with the collecting pipe, one end of the thin flow pipe is connected with the collecting pipe, and the other end of the thin flow pipe is connected with the nozzle; the thin flow pipe is provided with the air inletand the pressure transmit