Construction lifting device and leaping methods for construction lifting devices
AssigneeOtis Elevator Company
InventorsWenxiang Liu, Jianfeng Wu, Chenfeng Shi, Ming Chen, Jiajun Zhu, Linfeng Song
Life of this patent
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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.
Claims17
A leaping method for a construction lifting device, the method comprising:
- 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;
- wherein the leaping method further includes:
- before erecting the top crossbeam, lifting the top crossbeam to an installation position using a winch and a rope.
A leaping method for a construction lifting device, the method comprising:
- 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;
- wherein fixedly connecting the car to the host platform includes:
- connecting the car to the host platform using a plurality of rigid connecting rods;
- and
- connecting the car to the host platform using flexible ropes.
A leaping method for a construction lifting device, the method comprising:
- 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;
- wherein the leaping method further includes:
- extending a speed governor rope between a speed governor and a safety gear lifting mechanism, and lifting and installing the speed governor on car guide rails of the target floor.
Dependencies are inferred from the claim text.