Hydraulic pipeline fluid-solid coupling vibration test device

The utility model relates to a fluid-solid coupling vibration test device for a hydraulic pipeline, which comprises a pipeline test piece, a vibration table for providing external excitation for the pipeline test piece, a main hydraulic loop and a hydraulic oil cooling loop, the main hydraulic loop comprises an oil tank, a first ball valve, a plunger pump motor set, a one-way valve, a second ball valve, a pipeline test piece, a third ball valve and a throttle valve which are connected in sequence to form a fluid-solid coupling main hydraulic loop, an electric heater is arranged in the oil tank, and the fluid-solid coupling main hydraulic loop is communicated with the hydraulic oil cooling loop. According to the utility model, the vibration environment of a pipeline system under the superposition of external excitation, internal excitation and high temperature can be truly simulated; precise adjustment of a pressure value, a temperature value and a flow value can be guaranteed, and the device can be suitable f