Articulated mast for movable concrete pumps

Articulated mast for movable concrete pumps

  • CN 100,381,672 C
  • Filed: 06/04/2004
  • Issued: 04/16/2008
  • Est. Priority Date: 06/25/2003
  • Status: Active Grant
First Claim
Patent Images

1. the hinge bar of mobile concrete pump, have at least five can be around the rotating each other lever arm of the jointed shaft (B to G) of mutual level (1 to 7), wherein, first lever arm (1) can be hinged on one pivotally around another jointed shaft (A) can be on the pole socket (22) that vertical axis (20) rotates, and, last lever arm is not hinged in one end thereof, and, lever arm can be folded up mutually by the folding mode of zigzag folding mode or rolling in groups for the purpose of transporting, it is characterized in that, be provided with first Z-shaped folding group that forms by last three lever arms, by second from the bottom, third from the bottom with the folding group of first rolling of a fourth from the last lever arm composition and by third from the bottom, second Z-shaped folding group of forming of fourth from the last and the 5th lever arm reciprocal.

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