As a kind of efficient construction machinery, excavator plays an important role in the fields of construction, civil engineering and mining. For beginners, it is essential to master the basic operation and safety precautions of excavators. This guide aims to provide beginners with a comprehensive manual to help them understand the construction, function and operation skills of excavators.

1. If conditions permit, the position of the excavator is higher than the position of the slag car

2. the distance should be easily loaded to the front of the slag car by the excavator

3. when the conditions permit, it is best to load and return the loading mode, so as to save the turning time of the backside mining back in the loading

Ⅱ. Hoisting

The object acts as a hydraulic excavator for lifting operation, should confirm the surrounding conditions of the lifting site, use high-strength hook and steel wire rope, and try to use special lifting device when lifting. The operation mode should choose micro-operation mode, and the action should be slow and balanced; The length of the sling is appropriate. If the sling is too long, the swing of the sling will be large and it is difficult to control accurately. Adjust the bucket position correctly to prevent the steel rope from slipping off; Construction personnel try not to close to the lifting object, in order to prevent improper operation of the danger.

Ⅲ. Dig the pipeline

The center line of the pipe is aimed at a corner of your excavator, check it by yourself, and then step back while digging, and align it while stepping back. Operate according to the principle of three points and one line

Ⅳ. The site leveling

1. Excavator stop flat, adjust the height before and after as much as possible, stable, not shaking. This will help you see at eye level

2. Stage leveling, left to right, or right to left. Step by step, and ensure that each fight is even. This section to find a good retreat to the next stage, do not retreat too far, do not retreat too close, ensure that in the middle arm vertical two or three meters in front of the appearance.

3. The action is soft. I will not explain how to be soft. Practice more.

4. Mentality, mentality to be flat, this is very important, some novice three times five times to make the start of a restless mind, but the more anxious the more bad, and some site construction workers are not polite, so more can stimulate the novice. Remember to balance your mind.

Ⅴ. Put slope skills

1.1 :1 slope is that the width from the base to the top of the slope is equal to the depth of the foundation pit, that is, the slope is placed at a 45 degree Angle

2. Parallel brush digging: it is the parallel advance and retreat of the excavator and the slope body. It is mainly completed with the side teeth and side knives with the rotary action. (Line shape: the place where there is no line is mainly controlled according to the judgment of the line of sight. When digging, the line excavation adopts the alternating in and out method to control the generation of the line; Slope control: the slope excavation without the middle slope line mainly uses the circular arc method and the oblique line method to control the generation of the slope).

3. brush digging: refers to the upper body of the excavator and the slope into 90 degrees of the whole bucket excavation, when the front excavation is finished, the mobile excavator will repeat the same action, this method is mainly used for molding slope dressing, (slope can be adopted this method) operation control skills: The side brush slope is mainly used in the compound operation of the big arm pressing and the small arm sticking and turning, and the bucket is only used for the partial scraping of the slope. The positive brush is mainly completed by pressing the big arm with the action of closing the lower arm, and the bucket is adjusted only according to the slope.