Liebherr-International has filed a patent for a convertible, fast-erecting tower crane with a monitoring device that detects wind resistance parameters to adjust load limits. The crane controller ensures stability by limiting movements when load limits are reached, enhancing safety and efficiency in crane operations. GlobalData’s report on Liebherr-International gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Liebherr-International, was a key innovation area identified from patents. Liebherr-International's grant share as of January 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Crane with wind resistance detection for load limit adjustment
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The patent application (Publication Number: US20240034602A1) describes a convertible, fast-erecting tower crane with innovative features aimed at enhancing safety and stability during operation. The crane controller includes a monitoring device that can detect wind resistance parameters and adjust the load limit accordingly to ensure safe operation. This monitoring device is also capable of changing load limits based on the position of components relevant to wind resistance on the crane, such as height and distance from the tilt axis.
Furthermore, the crane includes a position-variable control and staff cabin, along with a position determiner to determine the cabin's position. The monitoring device can adjust load limits based on the cabin's height, ensuring optimal safety during crane operation. Additionally, the patent application details the use of an accessory mounting surface determiner to detect accessory mounting surfaces on the crane, allowing for load limit adjustments based on the position and inclination of these surfaces. Overall, the crane's monitoring device operates semi-automatically or fully automatically, depending on the signal from the wind resistance detection unit, to ensure safe and efficient crane operation.
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