БАШЕННЫЙ КРАН С ПОВОРОТНОЙ БАШНЕЙ И МОНТАЖНОЙ ОБОЙМОЙ ДЛЯ НАРАЩИВАНИЯ БАШНИ, СРЕДСТВАМИ ФИКСАЦИИ И ПЕРЕМЕЩЕНИЯ ОБОЙМЫ

摘要

FIELD: equipment used in construction industry. ^ SUBSTANCE: tower crane has platform, sectioned tower rigidly fixed on platform, mounting girdle with stops arranged in its upper part and devices for connection with tower upper section, said girdle being equipped with device for lifting thereof by means of hook-type crane suspension. Device for moving of tower upper part relative to its lower part is comprised of hydraulic cylinder pivotally hung to mounting girdle, with rod of hydraulic cylinder being connected to traverse cooperating with stops provided on tower. Traverse is formed curved in vertical plane and is equipped with seat arranged in its mid portion. Hydraulic cylinder rod is connected with seat. Pins provided at traverse ends are cooperating with tower stops. Eyelets of mounting girdle lifting device are fixed in lower part of mounting girdle, which is positioned for displacement along tower, through the whole height thereof. ^ EFFECT: simplified mounting of tower crane. ^ 10 dwg