Transverse cracks on the surface of asphalt concrete pavement are one of the common pavement defects. The usual length is 25-102m and the interval is 25-76mm. These surface fine cracks are generally invisible when paving materials, and ofte ...

1.Before the mechanical operation, it should be checked to confirm that everything is in good condition, that there are no obstacles in the large buttocks and the scope of the bucket and other personnel, and the operation can only be done a ...

Excavators inevitably encounter various failures during use, and excavator flameout is a common one. So why does the excavator frequently turn off the flame? Knowing more about the relevant fault cases will help you make fault judgments whe ...

The importance of downhill 1. Dont go downhill obliquely, it is best to go down at 90 degrees; 2. Do not put the bulldozer in front when digging down the mud; 3. The lower silt drive wheel goes down first, and the guide wheel faces the retr ...

Today, I will give you some tips on how to save fuel for excavators. Tip 1: Dont use ineffective actions, where you need to dig Doing ineffective actions will waste a lot of oil. It is necessary to design the construction method according t ...

One light: When the loader is working, the heel is pressed against the floor of the cab, the foot plate and the accelerator pedal are kept parallel, and the gas pedal is gently pressed down. Second stability: When the loader is working, the ...

1. Cylindrical roller 2. Grid roller 3. Pneumatic roller 4. Vibratory roller ...

Excavators, also known as backhoes, are earth-moving machines that use a bucket to excavate material above or below a support surface, load it into a transport vehicle or unload it to a yard. ...

When lifting heavy objects, the speed should be uniform and stable to maintain the stability of the body and prevent the center of gravity from tilting. It is strictly forbidden to drop the hanging objects freely. No maintenance work shall ...

Scientifically determining the interval mileage of various maintenance operations can not only keep the concrete mixer in good technical condition, but also save you maintenance costs and repair costs. ...