基于創(chuàng)新理論的機(jī)械產(chǎn)品改進(jìn)設(shè)計
[Abstract]:With the development of economy and technology, enterprises are facing more severe market competition. Many domestic enterprises lack the ability of independent innovation, many products are basically based on experience to determine the parameters of design, or imitating the mapping of foreign products, product stability and reliability is poor, and prone to intellectual property disputes. The research shows that scientific instruments and scientific methods are the basic ways of successful innovation, and the core of scientific methods is innovation methods. Only when designers master the innovative methods, can they promote enterprise innovation and realize the transformation of industrial technology. Therefore, this paper studies the product design methods based on innovation theory, and tries to apply them to the improved design of construction machinery products. Design as a continuous development of social activities, with the accumulation of experience and practical innovation. According to different design content and purpose, can follow certain design procedure. The design program and method are a set of complete concepts. Only by using a certain design method in a certain design program can the intended purpose of the program be successfully completed. In this paper, some general product design methods are described, and the theoretical system of TRIZ innovative techniques is introduced in detail. On the basis of this, the method suitable for the design of construction machinery products is put forward, so that the two can be combined organically. In this paper, the above process is applied to the improved design process of roller components. Firstly, the technology evolution theory is applied to analyze and solve the problems of bearing damage and vibration chamber leakage of roller, and the obvious results are obtained. The Pro/Techniques5.0 software tool based on contradiction matrix is used to solve the discomfort of driver, and the principle of changing technical parameters is put forward, which reduces the stiffness of shock absorber and changes the phenomenon of driver discomfort. Finally, the simplified three-dimensional model of the roller is made, and the simulation analysis is carried out before and after the change of the stiffness and the mass ratio of loading and unloading, and the feasibility of taking the lower limit of the stiffness is obtained.
【學(xué)位授予單位】:長安大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2012
【分類號】:TH122
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