第一,低温环境对钢材的影响,在低温下主要受力构件的材料不但要满足强度的要求,还必须满足冲击韧性的要求.低温受力构件的焊接结构形式对焊接热应力、应力集中等影响很大,因此升降机在低温下应选择合适的结构形式.
First, the influence of low-temperature environment for steel, the main material at a low temperature not only by the force component to meet the strength requirements, must also meet the requirements of toughness. Welded structure in the form of the force components of the low temperature welding thermal stress, stress concentration, etc. great influence, and therefore lift at low temperatures should select the appropriate structure.

第二,低温环境对升降机液压油、润滑油脂、柴油的影响,升降机支腿收放系统和起重作业的卷扬变幅、回转和伸缩等动作均由液压油作为工作介质传递动力.液压油的粘度至关重要,粘度过高,系统内部摩擦阻力增大,压力损失增多,油温上升过快,操作时动作滞后;粘度过低,泵的容积效率低,润滑性能差,零部件间运动摩擦阻力增大.液压油的粘度随工作温度而变化,因此选择低温用液压油时应特别注意.

Second, the low-temperature environment of lift hydraulic oil, grease luffing winch, the impact of diesel, lift legs retractable system and lifting operations, and other actions by the rotary and retractable hydraulic oil as the working medium to transmit power. Hydraulic oil the viscosity is critical, the viscosity is too high, the internal system friction increases, increasing the pressure loss, the oil temperature rises too fast, when operating action lag; viscosity is too low, the low volumetric efficiency of the pump, poor lubricating properties, movement between parts friction increases viscosity of the hydraulic oil with the operating temperature changes, so the choice should pay particular attention to low-temperature hydraulic oil.

第三,润滑油,变速箱、分动箱、驱动桥、卷扬机构、回转机构在低温下运行时,润滑油应选粘度指数高、凝点低、润滑性好的齿轮油,否则会导致传动效率明显降低,传动零件磨损增加,变速箱和分动箱操作沉重,换档困难.
Third, lubricants, transmission, transfer case, drive axle, winch mechanism, slewing mechanism to run at lower temperatures, the lubricant should be selected high viscosity index, low pour point, good gear lubricating oil, otherwise it will lead to transmission efficiency is significantly reduced, increasing the transmission parts wear, heavy gearbox and transfer case operation and shifting difficulties.