我们都知道，随着挖掘机加长臂的好处慢慢地被显现出来，许多工程机械行内人都纷纷地把自家拥有的挖掘机改装加长臂，所以现在的挖掘机大多数都不是标准的挖掘机，大多数是安装了加长臂的挖掘机。但是加长臂并不是说改装越长越好的，比长度更重要的是。
As we all know, as the benefits of excavator lengthening arm are slowly revealed, many people in the construction machinery industry have refitted their own excavators with lengthening arm, so most of the current excavators are not standard excavators, but excavators with lengthening arm. However, lengthening the arm does not mean that the longer the modification, the better. Safety is more important than length.
那么既然讲到，自然离不开使用长臂挖机时的注意事项了。不单是挖掘机，其他东西也是一样的，只有正确按照东西本身的使用方法来操作，我们才可以避免危险出现。话不多说，接下来跟着汇通重工来了解一下使用长臂挖机时的注意事项吧。
Then, since safety is concerned, it is naturally inseparable from the precautions when using the long arm excavator. Not only excavators, but also other things. Only by correctly operating according to the use method of the thing itself, can we avoid danger. Not much to say, let's follow Huitong heavy industry to understand the precautions when using the long arm excavator.
挖掘机加长臂虽然相对标准臂的挖掘机作业范围更加广泛了，但是很多挖掘机司机在作业的过程中却由于不注意而导致了危险频频发生。很多司机经常利用机器的重量来作业，这点在作业的过程中是不被允许的，因为这样的操作方法会给挖掘机加长臂工作装置的支撑带来额外的负荷，而且对底盘也会产生震动；
Although the operation range of the excavator lengthening arm is wider than that of the standard arm, many excavator drivers often cause dangers due to carelessness in the process of operation. Many drivers often use the weight of the machine to operate, which is not allowed in the process of operation, because such an operation method will bring additional load to the support of the working device of the lengthening arm of the excavator and vibrate the chassis;
第二点是利用撞击力作业，这样会引起工作装置和铲斗开裂，严重的还会导致油缸隆起；
The second point is to use the impact force to operate, which will cause the cracking of the working device and bucket, and seriously lead to the uplift of the oil cylinder;
第三点就是加长臂回转时不能做推土动作，因为一不小心就会导致挖掘机加长臂的工作装置单侧引起负荷超载，严重的还会导致工作装置变形；第四点就是向泥头车上装载大石块的时候，必须让挖掘机加长臂靠近卡车车厢底部卸料，否则石块从高处落下会撞击车厢，导致车厢变形的。
The third point is that the earth pushing action cannot be done when the lengthening arm rotates, because carelessness will lead to overload on one side of the working device of the lengthening arm of the excavator and serious deformation of the working device; The fourth point is that when loading large stones on the dump truck, the lengthening arm of the excavator must be close to the bottom of the truck carriage for unloading, otherwise the stones falling from a high place will hit the carriage and cause the carriage to deform.
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