Multifunctional hydraulic support test device and test method

The invention provides a multifunctional hydraulic support test device and test method, and relates to the technical field of test equipment. The device comprises a top pressure testing mechanism, a load simulation mechanism, a base testing mechanism and a height adjusting mechanism, the top pressure testing mechanism is used for simulating top plate pressure, and a sliding guide rail is adjusted according to the position of a support top beam; the load simulation mechanism is provided with an energy accumulator for simulating an impact load, and a rack slide rail controls the energy accumulator to move; the base testing mechanism is provided with a slide rail for adjusting the width of a base to adapt to supports of different models, a variable dip angle mechanism is arranged, a supporting plate is hinged to the spherical surface of the top end of a hydraulic cylinder, and a lifting chain controls the supporting plate to change the dip angle to facilitate dip angle testing; the height adjusting mechanism adj