Telescopic crane boom for use in automobile crane, has mounting ring provided with bolt connecting points and placed at end part of base arm, and telescopic guide element connected on mounting ring for guiding telescopic shrinking joints

摘要

The boom has a mounting ring provided with bolt connecting points and placed at an end part of a base arm, and a telescopic guide element connected on the mounting ring for guiding external and internal telescopic shrinking joints. A pulley head part is equipped with a deflection pulley and connected on the mounting ring. Conveying projection for holding a stopping device is installed on the telescopic guide element, and a load bearing device is connected on the connecting points of the mounting ring. A deflection pulley is provided on the mounting ring.