“春秋”时代履带拖拉机结构拖拉机企业群雄竞起的“春秋”时代,履带拖拉机结构也呈现出“百花齐放”的局面。履带拖拉机总体布置履带拖拉机的“百花齐放”主要表现在总体布置上(参见图144)。虽然在履带装置发明的初期就有全履带型式(图144之8),但在20世纪之初,大多数农业履带拖拉机是前面有单轮或双轮导 “Spring and Autumn ” era crawler tractor structure companies compete for “Spring and Autumn ” era, crawler tractor structure also showed “flourishing ” situation. Crawler Tractor General Arrangement The crawler’s “Blossoming” is mainly manifested in the overall layout (see Figure 144). Although there was a full track version at the beginning of the crawler gear invention (Fig. 144, 8), at the beginning of the 20th century most agricultural track tractors had a single or dual front wheel guide