General pile up neatly machine people

The utility model discloses a general pile up neatly machine people, the on -line screen storage device comprises a base, the swivel mount, big arm, the forearm, the wrist, swivel mount driving motor,big arm motor and little arm motor, the other end that sets up at the forearm is rotated to the wrist, still include big arm auxiliary rod and middle auxiliary rod, middle auxiliary rod rotate set upon the upper portion of big arm and can with forearm coaxial rotation, the upper end of big arm auxiliary rod is rotated with middle auxiliary rod and is connected, the lower extreme of big arm auxiliary rod rotates with the swivel mount to be connected, the tie point A of big arm auxiliary rod and middle auxiliary rod, big arm auxiliary rod and transposable tie point B, the projection of tie point D on vertical plane of big arm and transposable tie point C and big arm and middle auxiliary rod is located four summits of a parallelogram. The beneficial effects of the utility model are that: the utility model discloses