公开(公告)号：US20250083928A1

公开(公告)日：2025-03-13

申请号：US18828551

申请日：2024-09-09

Applicant: Otis Elevator Company

Inventor： Wenxiang Liu ,  Jianfeng Wu ,  Chenfeng Shi ,  Ming Chen ,  Jiajun Zhu ,  Linfeng Song

IPC: B66B19/00 ,  B66B19/02

Abstract: A construction lifting device and a leaping method for a construction lifting device. The leaping method includes erecting a top crossbeam above a target floor in a shaft; connecting a host platform of the construction lifting device to the top crossbeam by a drive device; raising a car of the construction lifting device close to the host platform and fixedly connecting the car to the host platform; and activating the drive device to lift the host platform to the target floor.