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对于行走机械,在发动机与行走装置之间,其液压传动装置通过流体运动的方式实现传力,通常来讲,无级调速和灵活布局是液压传动独有的优点,近年来,随着电子技术的发展,使机电液一体化技术逐渐趋于成熟,可以对液压传动装置进行多种调节与控制,也使得工程机械向智能、环保、节能的方向发展。在工程机械方面,液压技术与柴油机的应用已经使工程机械有了很大的发展。如今,要实现工程机械的现代化,就是要使之具有智能、节能、环保的特点,这一特点也必须是以液压传动技术为前提。所以,研究液压传动装置的特性对工程机械的发展具有重要意义。
For traveling machinery, between the engine and the traveling device, the hydraulic transmission device achieves the transmission force through the fluid movement. Generally speaking, the stepless speed regulation and the flexible layout are the unique advantages of the hydraulic transmission. In recent years, as the electronic With the development of technology, the integration of electromechanical and hydraulic technologies has gradually become mature. Various adjustments and controls can be made to the hydraulic transmission device, and the construction machinery has also been developed in the direction of intelligence, environmental protection and energy saving. In engineering machinery, the application of hydraulic technology and diesel engine has made great progress in construction machinery. Now, to realize the modernization of construction machinery, it is to make it intelligent, energy saving, environmental protection features, this feature must also be based on hydraulic transmission technology as a prerequisite. Therefore, the study of the characteristics of hydraulic actuators is of great significance to the development of construction machinery.