U-shaped rib stacking and taking machine

The invention discloses a U-shaped rib stacking and taking machine which comprises a walking part, a transverse moving part and a lifting part, wherein the walking part is provided with a walking track, and the walking part can walk and move on the walking track in the length direction of U-shaped ribs; the transverse moving part is installed on the walking part and can walk and move on the walking part in the direction perpendicular to the length direction of the U-shaped ribs; the lifting part is installed on the transverse moving part and can move up and down on the transverse moving part in the vertical direction; and through respective movement of the walking part, the transverse moving part and the lifting part, the lifting part acts on one end of each U-shaped rib, and stacking and taking operation is completed. According to the U-shaped rib stacking and taking machine, various defects caused by the fact that a crown block can only be operated manually in the prior art can be overcome, full-automatic r