Chapter 4 Running System Section 2 Frame 1.Automobile Frame The structures of automobile frame basically can be divided into ladder type frame,central frame(or backbone-type frame )and integrated frame. 1.1 Ladder Type Frame Easy to install; Convenient to modify automobiles 17181920 or develop a variety of automobiles. (a) (b) Figure 4-4 Frame of Dongfeng-EQ1090E automobile (a)Framework assembly (b)Tow-hook part 机械与电子工程学度 Automobile and Tractor Northwest A&F University Automobile and Tractor Northwest A&F University Chapter 4 Running System 1. Automobile Frame The structures of automobile frame basically can be divided into ladder type frame, central frame(or backbone-type frame ) and integrated frame. 1.1 Ladder Type Frame Easy to install; Convenient to modify automobiles or develop a variety of automobiles. Figure 4-4 Frame of Dongfeng-EQ1090E automobile (a) Framework assembly (b) Tow-hook part Section 2 Frame