| 摘要 |
FIELD: mechanical engineering; load lifting facilities; fire fighting and rescue operations in multistory buildings. SUBSTANCE: truck lift has chassis, multiple-section telescopic tower with upper slewing circle, two-arm boom with telescopic link, and cradle consisting of upper and lower parts placed one into the other and connected by flexible tie in form of four-fold tackle block consisting of return sheaves and steel wire rope connected with winch. Catchers and guides are mounted in corners of cradle. Hatch with opening doors is made in bottom of upper cradle. Boom has hook hanger with drive from winch. EFFECT: provision of fire fighting is multistory buildings, improved safety at evacuation of people and demounting and rescuing operation. 3 cl, 5 dwg |
