The invention of high-end reliable precision filter transmission technology has broken the monopoly of industrial robots and related core components of high-end equipment in a few industrialized countries, which can reduce the production cost of products and create key technological conditions for upgrading the core competitiveness of domestic industrial robots.
Robots, aviation, aerospace, ships, vehicles, weapons and equipment... Any mechanical and electrical equipment may have problems such as "click" and "catch". What should I do? On January 8th, the “Highly Reliable Precision Filter Transmission Technology and System†awarded the second prize of National Technology Invention gave the answer: the transmission mechanism supported by high-reliability precision filter transmission technology can automatically adapt to deformation like human joints. Solve this problem.
It has created key technological conditions for the development of China's high-end equipment manufacturing industry. "This project sounds very high and its use is very real." As the main accomplisher of the project, Wang Jiaxu, a professor and doctoral supervisor at Chongqing University, said that virtually all mechanical and electrical equipment It consists of five major systems: power, transmission, execution, control, and auxiliary. Their power transmission and motion control need to convert the high-speed and small torque of the power system into low-speed and high-torque of the execution system to achieve operation.
In this process, due to various factors such as different design, assembly error and excessive load, the torque and speed will inevitably fluctuate, especially in special environments such as high and low temperature and load change. Serious problems such as stuck, stuck, and structural damage make it difficult for powertrain and motion control systems to meet high accuracy while ensuring high reliability.
To this end, from the end of the last century, Wang Jiaxu and his team have set their sights on the solution of this common key technical problem. Through more than 10 years of painstaking research, Wang Jiaxu proposed multi-disciplinary collaborative innovation design and manufacturing theory and method based on gear meshing principle, interface mechanics, transmission tribology, system dynamics, reliability engineering, etc., and invented and developed high-reliability precision filter transmission technology and The system enables the new transmission mechanism to automatically adapt to deformation and coordinate control functions of human joint function within the range of high transmission accuracy. Through controllable elastic deformation and damping absorption energy, it can effectively filter and reduce the fluctuations generated during power transmission and motion transformation. It reduces vibration and noise and effectively prevents the reliability failure of the transmission mechanism under special circumstances and extreme working conditions.
Wang Jiaxu said that the invention broke the technological monopoly of industrialized countries in this field and created key technological conditions for the development of China's high-end equipment manufacturing industry and strategic emerging industries.
Can help to achieve high-reliability precision transmission in extreme environments? Why is the transmission mechanism developed into a structure similar to human joints?
Wang Jiaxu explained that the human joints are composed of bones, cartilage, muscles and ligaments, which have the functions of bearing, lubricating and buffering. The organic combination of these parts makes the human body have the automatic adaptation and coordination of motor functions.
For this reason, Wang Jiaxu and his team are thinking: Why not use this principle on the transmission mechanism?
Based on high-reliability precision filter transmission technology, Wang Jiaxu and his team developed a highly reliable precision filter reducer to simulate the structure of the human joint, compounding the rigid member with the flexible member, and modifying and optimizing the transmission interface. It has the adaptive deformation coordination control ability of human joint function in the range of high transmission precision, thus achieving high reliability and precision transmission under special and extreme environments.
Such reducers have been widely used in aerospace, marine, defense weapons, medical equipment and other engineering fields.
It is understood that the core competitiveness of domestic industrial robots is understood. The world is at the intersection of the new technological revolution and the industrial revolution. The intelligent industry represented by robotics technology has emerged as an important symbol of technological innovation in the modern era. China is no exception.
"High-reliability precision filter transmission technology has also been applied to robots in China." Wang Jiaxu said that the reducer, servo motor and controller are the three basic components of the robot, accounting for about 70% of the value of industrial robots, of which the reducer accounts for 36% of the value of industrial robots, this achievement has laid a key technical foundation for the development of core components of industrial robots with independent intellectual property rights.
Wang Jiaxu explained that if the reducer needs to be imported, the domestic robot will be difficult to be competitive.
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