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The QLY1560 wheeled crane was awarded the 2015 Special Prize for Scientific and Technological Progress of Zhengzhou City.
Xindafang News: Recently, following an evaluation by a panel of experts organized by the Zhengzhou Municipal Science and Technology Bureau, the “QLY1560 Wheeled Crane” project was awarded the 2015 Zhengzhou Municipal Special Prize for Scientific and Technological Progress.
This project represents the world’s first tire-mounted crane featuring a tower-style truss telescopic boom and self-erecting capability. It has overcome more than ten technical challenges, including automatic coordination of multi-axle all-wheel drive and braking during high-grade slope driving; rapid self-dismantling and reassembly in confined spaces and quick relocation of the entire machine; safe construction in winds up to Grade 7; and precise positioning of the tower body using a multi-degree-of-freedom four-bar linkage system. The project also introduces several innovative technological features, such as integrating the chassis with the outriggers into one unit and enabling multi-mode travel; a four-bar linkage mechanism for lowering the tower body; a multi-stage truss telescopic structure; a dual-luffing boom self-erection system; and a telescopic web member pinning mechanism. These innovations bring the technology to the leading international level in land-based wind turbine lifting equipment.
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