【摘要】 本文简要阐述了除雪机械设置弹性避让装置的必要性，着重论述了国内外除雪机械两种常用的弹性避让装置及其结构特点，分析并探讨了四杆机构的设计思路。更多还原

【Abstract】 This paper states the necessity of installing elastic prevention device for snowplough and describes two common. Types of elastic prevention devices and their structure features. IT analyzes and discusses the design idea of fourbar linkage.更多还原