en.Wedoany.com Reported - The "Excavator Bucket Wheel and Bucket-Wheel Excavator" independently developed by Guoneng Yanbao Energy Company in Inner Mongolia, China, has recently been granted national invention patent authorization. This bucket-wheel excavator patent technology involves improvements to the core components of open-pit mining equipment.

The bucket-wheel excavator is the core equipment for continuous mining in open-pit coal mines, and its bucket wheel and tooth structure directly affect excavation efficiency and reliability. During field operations, the cutting edge of the bucket teeth experiences continuous wear when cutting materials. Traditional structures are prone to uneven wear, leading to an abnormal increase in contact area, higher excavation resistance, accelerated tooth edge wear, and even fracture. To address this technical challenge, the company formed a 12-person specialized technical research team at the Baorixile Mine, conducting research based on on-site working conditions, which resulted in this invention patent.

The bucket wheel provided by this bucket-wheel excavator invention patent consists of a bucket lip and bucket teeth, with the end of the tooth away from the cutting edge fixedly connected to the bucket lip. The core technical solution controls the angle between the projection of the tooth edge movement direction on the first surface and the tooth edge within 85°-95°, to reduce the degree of uneven tooth edge wear and decrease the risk of fracture. Simultaneously, the rake angle is optimized to 40°-50° and the clearance angle to 10°-15°, making the force on the bucket teeth more rational. The bucket teeth adopt a split structure of a cutting section and a connecting section, with dimensions of 380mm-420mm in length, 110mm-150mm in width, and 100mm-140mm in thickness; the bucket lip uses a steel bent plate to form an annular structure, precisely defining the tooth edge movement direction through the bending positioning angle.

This bucket-wheel excavator invention patent authorization has increased the company's independent intellectual property reserves in mining. The company plans to continue deepening technological innovation, accelerate the implementation and transformation of patent achievements, steadily improve the intelligence and reliability level of mining equipment, and ensure safe and efficient mine production.

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