FIELD: materials handling facilities.
SUBSTANCE: device is designed for use in multipurpose lifting crane of variable configuration which contains mast 7, consisting of two members 8,9 and distributing boom 14 consisting of several members 15,16,17 arranged in tandem. Device 23 includes telescopic lifting mechanism 24 connecting lower rocker mechanism 25 and upper rocker mechanism 26. Lower rocker mechanism 25 is coupled with lower part of upper member 9 of mast and with upper part of lower member 8 of mast. Upper rocker mechanism 26 is coupled with upper part of mast upper member 9 and with boom thrust end 15.
EFFECT: improved design of device, reduced overall dimensions, provision of different configurations when laying out crane.
6 cl, 15 dwg
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