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在极地工况(北纬58°,冬季长达8个月,气温-60～-68℃)下,施工机械存在的普遍问题有:发动机启动困难;机件磨损加剧;燃料、润滑油消耗量增加;蓄电池工作能力严重下降;钢丝绳冻硬,难于缠绕甚至出现断股现象;橡胶制品件容易老化、失效,履带底盘、液压缸等与外界接触的密封件过早损坏、漏油;在大负荷情况下,结构件容易因材料的低温脆性
In polar conditions (latitude 58 °, winter up to 8 months, temperature -60 ~ -68 ℃), construction machinery, there are common problems: difficult to start the engine; mechanical wear and tear increased; fuel, lubricating oil consumption increased ; Serious decline in battery capacity; wire rope frozen hard, difficult to wound or even broken stock phenomenon; rubber parts easily aging, failure, crawler chassis, hydraulic cylinders and other contact with the outside world premature seal damage, oil spills; Under the structure of the material easily due to low temperature brittleness