Stacker-reclaimer

Details Stacker-reclaimer Stacker-reclaimer

B - Operations, Transporting

66

C

201/24

B66C 23/76 (2006.01) B65G 65/20 (2006.01)

Patent

CA 1234068

1. STACKER-RECLAIMER ABSTRACT OF THE DISCLOSURE A stacker-reclaimer has a luffing and slewing mounting supporting a boom structure with a main, forwardly extending boom having material-conveying means running along it, and a rearwardly extending tail boom with a counterbalance weight depending from its rear end. The tail boom is at a higher level than the main boom, to provide clearance for a feeder conveyor to the material- conveying means. The counterbalance weight is attached by a pivot on the tail boom, and is displaceable about the pivot by a control cable attached to a non-luffing part of the luffing and slewing mounting forwards of the luffing axis whereby the weight is displaced forwards in relation to the pivot in upward luffing movements of the boom structure. This compensates for the rearward displacement of the rear end of the tail boom in such movements, and reduces the maximum overturning moment to be resisted in the working luffing range.

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