In a recent update, the National Patent Office announced that Zoomlion's national "863" project, focusing on an intelligent cold milling machine, has successfully secured two additional national patents. These new patents are: the Cold Milling Machine Milling Drum Bearing Fault Diagnosis Device (Patent No. 3) and the Road Surface Cold Planer Load Adjustment Device (Patent No. 4). This brings the total number of national patents held by the product to six, including the previously acquired two invention patents and two utility model patents.
The Cold Milling Machine Milling Drum Bearing Fault Diagnosis Device represents a significant innovation in the field of intelligent fault detection. It utilizes resonance demodulation technology to monitor the condition of the milling drum bearing in real time. By analyzing vibration signals, the system can detect and diagnose bearing faults effectively, ensuring optimal performance and reliability. This patent introduces a novel approach that fills a critical gap in the industry, offering complete independent intellectual property rights and setting a new standard for condition monitoring systems.
The Road Surface Cold Planer Load Adjustment Device is another key advancement. It leverages the engine speed and power curve to optimize the machine’s operation. The central controller continuously monitors engine speed and adjusts the milling feed rate accordingly, allowing the machine to maintain maximum output power while balancing the load across all systems. This intelligent control mechanism ensures efficient and stable operation, even under varying working conditions.
These patented technologies not only enhance the efficiency and performance of the milling machine but also contribute significantly to the technological development of the construction machinery industry. They provide a solid foundation for future innovations, particularly in the design and implementation of similar systems for self-propelled construction equipment. As the industry moves toward smarter and more automated solutions, these advancements position Zoomlion at the forefront of innovation in cold milling technology.
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