工程上常见的机构大多属于平面机构,平面连杆机构是平面机构的重要类型。最常见的是四杆机构。它不仅应用特别广泛,而且还是机构组成的基础。铰链四杆机构作为四杆机构的一个重要形式,教学中应重视其基本类型、工作特性和初步设计理念的教学。铰链四杆机构类型判定是后两者学习 Most of the common engineering organizations belong to the plane agencies, plane linkage agencies is an important type of plane agencies. The most common is the four-bar mechanism. It is not only widely used, but also forms the foundation of the organization. Four-bar hinge mechanism as an important form of four-bar mechanism, teaching should pay attention to its basic types, working characteristics and the initial design concept of teaching. Hinge four-bar mechanism type judgment is the latter two learning