Company Filing History:
Years Active: 2023-2024
Title: Yonghua Zhang: Innovator in Drilling Technology
Introduction
Yonghua Zhang is a prominent inventor based in Xuzhou, China. He has made significant contributions to the field of drilling technology, holding 2 patents that showcase his innovative approach to engineering challenges. His work focuses on enhancing the efficiency and control of drilling machinery.
Latest Patents
Zhang's latest patents include a main hoist system of a rotary drilling rig and a control method therefor. This invention features a main action loop that consists of an engine, hydraulic pump, main control valve, balance valve, main winch motor, and oil tank. The pilot control loop includes a pilot handle, solenoid valve I, pressure relay, and the main control valve. The feedback control loop incorporates solenoid valve II, hydraulic pump, and the main control valve. This system allows for precise control of the lifting action of the main winch through a series of energized solenoid valves.
Another notable patent is the push-pull force control method for a horizontal directional drilling machine. This method involves adjusting the motor displacement to achieve the required push-pull force. The oil feeding pressure of the motor is then controlled based on the relationship between the push-pull force and the working pressure difference. This real-time control ensures that the push-pull force matches the required value, enhancing the machine's operational efficiency.
Career Highlights
Yonghua Zhang is currently employed at Xuzhou Xugong Foundation Construction Machinery Co., Ltd. His role at the company allows him to apply his innovative ideas in practical settings, contributing to advancements in construction machinery.
Collaborations
Zhang collaborates with talented coworkers, including Yu Sun and Zhigang Liu. Their combined expertise fosters a creative environment that drives innovation in their projects.
Conclusion
Yonghua Zhang's contributions to drilling technology through his patents demonstrate his commitment to innovation and engineering excellence. His work continues to influence the industry, paving the way for more efficient drilling solutions.