Self-propelled trolley simulating upright state or forward and backward tilting state of grain

The invention provides a self-propelled trolley simulating an upright state or forward and backward tilting state of grain, and belongs to scientific research testing equipment. The trolley comprisesa frame assembly, wherein the frame assembly is assembled with a driving walking mechanism composed of a front height adjusting assembly, a rear height adjusting assembly, a driving land wheel, a follow-up land wheel, an electromotor, a driving belt pulley, a transmission belt, a driven belt pulley and a driving shaft and a grain stalk upright or tilting angle adjusting mechanism composed of an angle dial, a positioning locking rod, an adjusting hand wheel, a tilting angle positioning shaft, a driving rotary rod, a driving rocker, a follow-up rotary rod, a follow-up rocker and a linkage rod, and the driving rotary rod and the follow-up rotary rod are both provided with a grain stalk clamping mechanism composed of a drum type stalk seat, a clamping plate opening and closing adjustment stirring rod, a spring shaft,