Self-propelled four-wheel high pole sprayer rack

The utility model relates to a self-propelled four-wheel high pole sprayer rack. The self-propelled four-wheel high pole sprayer rack comprises a supporting device, a steering device and a rear wheel damping cylinder; the supporting device comprises a left side frame assembly, a right side frame assembly, a front frame cross member, a rear frame cross member, a front rack base, a rear rack base and an engine support assembly; the left side frame assembly and the right side frame assembly are respectively connected with the front frame cross member and the rear frame cross member; the front rack base and the rear rack base are respectively fixed on the front frame cross member and the rear frame cross member; the front frame cross member and the rear frame cross member are respectively connected with the engine support assembly; the steering device comprises a steering cylinder, a steering pull rod, a steering knuckle arm, a steering upright and a wheel fixing upright; the rear wheel damping cylinder is located on the wheel upright; the steering cylinder is located on the frame cross member and the two ends of the steering cylinder are respectively connected with the steering pull rod. The self-propelled four-wheel high pole sprayer rack disclosed by the utility model has the advantages of being simple in structure, high in overall rack strength, convenient to process, beautiful and elegant in appearance, advanced in function, effective control over complete machine cost of the product design, and wide in prospect.