Operation Skills of Large Excavator

Large excavator throwing is a skill that operators often use in their work, but not everyone can master it well. It is a skill-type job that requires multiple coherent and smooth movements, so it requires operators in addition to skilled practice. In addition, you must also learn the application of the method of throwing squares. Today, the editor will talk to you about the skills of throwing squares for large excavators.

The "digging" skills of large excavators

When digging, the stick cylinder is generally used as the main tool, and the boom cylinder is used as a supplement. The angle of the bucket teeth should be adjusted according to the travel path of the stick. The bucket teeth must be "inserted" into the soil instead of "slapped" into the soil. After inserting to a certain depth, the hook and arm lifting are completed. In this way, it is a perfect digging action.

After the angle of the bucket is adjusted during digging, the thrust of the forearm cylinder is the main force, and the bucket and the boom start to cooperate when they feel that the recovery of the forearm slows down. When the bucket is three-quarters full, retract the bucket quickly, raise the boom and turn.

If you are digging along a side of the soil and the soil is relatively hard, use a bucket to pry and dig. It is best to use only two or three bucket teeth to cut off the soil first, and then dig up together. This can effectively improve the overall work efficiency.

The technique of "throwing" for large excavators

The main purpose of throwing soil is to highlight a word of throwing, which is particularly particular, mainly to control the coordination of large excavators so that the movements look smooth. Every bucket of soil must be dug full. After lifting the bucket, try to stop all other actions, and only do the roundabout movement with all your strength, so that the speed of the roundabout movement will be the fastest. The bucket is not horizontal when digging and rotating, but slightly opened, so that the soil will not be thrown out from behind the bucket due to inertia and centrifugal force, and the bucket will be opened faster when unloading.

The positioning of soil unloading must accurately perceive the advance amount. When turning, the main line of sight of the eyes depends on the turning direction, and the peripheral vision depends on the top of the bucket and the forearm. When it is about 1 meter in front of the unloading site, start to loosen the compound action of turning, extending the forearm, and opening the bucket. position. When unloading the soil, it must not be poured out all by opening the bucket, but at the same time as the bucket is opened, it will be faster to use the stick to instantly recover and then open it to take advantage of the situation to throw the soil out.

To put it bluntly, because there is a lot of room for earthwork work, it is just digging, turning around, throwing out, turning back and digging again. If you are still an apprentice, you must take a good look at the master's method of throwing soil and coquettish positioning, and follow them in order. Dig and throw layer by layer. Pay attention to less use of the boom, large excavators are designed with the boom first! Therefore, when the full bucket is doing compound movements with the boom, it burns oil. There are many ways to cooperate with the throwing method. Some people like to stand on the soil and shake it back and forth. In fact, this is the most inefficient way. The forward and backward throwing is the fastest, and the work done is also good-looking. It depends on the actual situation.

In short, in order to quickly complete the dumping of a large excavator, the operator must pay attention to reducing redundant movements, and coordinate well with the digging, rotation and stick, and be careful not to use the rotation to hit the soil for digging, or the turntable will be damaged if it is done too hard.

The operation skills of large excavator dumping are the whole content of today. If you want to know more information about excavators, welcome to consult.