Tower crane stock structure

The utility model discloses a tower crane stock structure, it includes the eccentric shaft, the stock main part, lead wheel support, a bearing, the stock guide pulley, standard festival main part, theinboard edge of the vertical direction lateral wall of stock main part is provided with a plurality of wheel support of leading, the inboard edge of stock main part horizontal direction lateral wallis provided with a plurality of wheel support of leading, a plurality of wheel support of leading inboards are provided with a plurality of eccentric shafts respectively, a plurality of eccentric shafts outside is provided with a plurality of bearings respectively, a plurality of bearings outside is provided with a plurality of stock guide pulleys respectively, a plurality of stock guide pulleys all paste standardize festival main part, standard festival main part corner is the right angle, the eccentric shaft is provided with at least eight and transfers knothole, transfer the equidistant evenly distributed of knothol