FRAME OF TOWER CRANE TOWER Russian patent published in 2009 - IPC B66C23/26 

FIELD: construction.

SUBSTANCE: frame of tower crane tower comprises base made of upper and lower sheets that are connected to each other by means of parallel paired side, front and back walls, frame lugs for cantilever fixation to it, stand, spacer, spring support and stand traction rods. Frame is arranged with beam fixed to its lower sheet and protruding backwards from frame. At distanced end of beam there is lug provided for fixation of support for stand. Beam is installed under frame in its middle part. Frame is arranged with belts fixed in its angular parts, every of which has lug at the bottom for frame connection with upper section of tower, and on top every belt has lug for connection to crane stand. There are lugs provided in frame for fixation of crane spring support installed above upper surface of frame, and also lugs for fixation of stand, which are installed above belts and coaxially to them. Frame also has lugs for fixation of spacer, which are located above upper sheet and beam, and apertures closed with planking and single flap door are located between beam, on frame top view, being formed by front, side and back walls of frame.

EFFECT: increase of universality of tower crane frame and its bearing capacity.

5 dwg