The invention relates to a convenient-to-disassemble solar photovoltaic panel device. The device includes a bottom frame and a plurality of solar photovoltaic panels; a mounting device is disposed in the bottom frame; the mounting device includes a vertical side movable groove which is formed in the bottom frame and a mounting body which is movably mounted in the vertical side movable groove, the end opening of the vertical side movable groove being located at the upper part of the mounting device; a midpoint slot, movable slots which are located at the outer side the midpoint slot, and vertical side midpoint slots which are located below the midpoint slot are formed in the mounting body; a screw-joint pipe barrel is rotatably mounted in the midpoint slot through a rotating bearing; inner screw-joint holes are formed at two ends of the screw-joint pipe barrel; screw-joint shafts are mounted in the inner screw-joint holes in a screw-thread fit manner; moving arms are movably mounted in the movable slots; the inner side ends of the moving arms are fixedly connected with the screw-joint shafts; the outer side ends of the moving arms are provided with first bevel surfaces; and the rear portions of the first bevel surfaces are rotatably provided with rotation wheels. The convenient-to-disassemble solar photovoltaic panel device of the invention has the advantages of simple structure, convenient use, stable operation and high safety.