挖掘机WK-10A司机室左侧防护栏杆高度、长度不够,不能起全面的防护作用:(1)扶手铁管直径较粗,一手难以握住(特别是冬季,操作和维护人员穿的比较厚,上下不方便,出现过滑脱现象);(2)身后的防护栏杆不能起到防护作用,存在着较大的不安全因素。为此,提出司机室平台外 Excavator WK-10A cab left guardrail height, length is not enough, can not afford a full range of protection: (1) handrail iron pipe diameter, difficult to hold with one hand (especially in winter, the operation and maintenance personnel to wear relatively thick , Up and down inconvenient, there has been a phenomenon of slippage); (2) behind the protective railings can not play a protective role, there is a greater insecurity. To this end, proposed outside the cab platform