Knowledge

With the development of hydraulic transmission technology, body integration technology and electronic technology, hydraulic excavator has gradually become the carrier of a variety of high-tech …

The common test method adopts the traditional mathematical modeling, and uses the simulation software to carry out the simulation test. The test results can not …

Hydraulic excavator is the main type of excavator, its main structure and function part is composed of hydraulic system, using Pascal principle, through the combination …

Hydraulic excavator is a kind of construction machinery with complex mechanism and wide application. In some fields of construction machinery, such as loaders, portal cranes …

Large hydraulic excavators are usually used in large-scale infrastructure projects in open-pit mining areas and in the field. Because of heavy load and poor road …

When building the whole model, the dynamic analysis of each component can be carried out first, and the main mode set and constraint mode set …

Because the hydraulic cylinder and the whole machine are connected by hinge, they do not bear the bending moment caused by external load, so the …

There are two kinds of dynamic substructure methods in common use: fixed interface substructure method and free interface substructure method. The main advantages of the …

With the development of energy storage technology, as an important way to improve the energy efficiency of hydraulic excavator, energy recovery has become the key …

Due to the complex working process of excavators, there are both heavy load excavation and light load leveling, and there are loose soil excavation and …