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摘要 我國汽車的轉(zhuǎn)向橋一直是該行業(yè)見研究人員不停探索和研究的重要方向之一。本設(shè)計(jì)主要針對輕型貨車轉(zhuǎn)向橋的進(jìn)行設(shè)計(jì)，通過合理的計(jì)算，結(jié)構(gòu)設(shè)計(jì)，而使汽車轉(zhuǎn)向橋具有較好的轉(zhuǎn)向靈敏性。 本設(shè)計(jì)介紹了轉(zhuǎn)向橋的概念和原理，總體布局，主要通過對機(jī)械設(shè)計(jì)的學(xué)習(xí)、了解和掌握，來設(shè)計(jì)轉(zhuǎn)向橋的各個(gè)組成零件，使其具有精確的尺寸和結(jié)構(gòu)，最后通過合理的結(jié)構(gòu)安排，組裝成貨車轉(zhuǎn)向橋。 設(shè)計(jì)后的轉(zhuǎn)向橋具有結(jié)構(gòu)緊湊、重量輕、轉(zhuǎn)向靈敏的特點(diǎn)，制造容易。廣泛用于微、輕型載貨汽車。其結(jié)構(gòu)簡單，價(jià)格低廉，充分體現(xiàn)的輕型貨車轉(zhuǎn)向橋的特點(diǎn)。其轉(zhuǎn)向橋的計(jì)算和結(jié)構(gòu)布局，也為其他貨車轉(zhuǎn)向橋提供了設(shè)計(jì)方法和思路。 關(guān)鍵詞：轉(zhuǎn)向橋；計(jì)算；結(jié)構(gòu) Abstract In our country design of automobile's steering axle has always been one of the most important areas in which a lot of researches have been made. Our design mainly focus on the design of van's steering axle, with reasonable computation and structure design, we achieved good agility of automobile's steering axle. This design introduced steering axle's concept and principles, general planning, from the study and grasp of mechanism design, we design steering axle's components with accolade size and structure, through reasonable structure deployment, we can compose the van's steering axle. The steering axle we designed has many characteristics such as good compaction in structure, light weight, good agility and also it is easy to produce. it can be widely used in minimize、light truck. Its simple structure and low price fully embodies the features of van's steering axle. Van steering axle's computation and structure deployment also provide a good design method for other van's steering axle. Key words: steering axle ;account ; structure II