Knowledge

Because the load of the working device of excavator is difficult to break, the paper studies its working state by indirect measurement, starting with the …

In today's energy shortage, it is of great significance to reduce energy consumption, deal with the energy crisis and Research on energy saving. For the …

Backhoe hydraulic excavator, as a common earthwork machinery in engineering, is of great importance for construction sites, water conservancy construction, mining and other projects that …

The traditional analysis method of excavator performance analysis is to draw all the feasible mining graph, and then analyze the graph one by one, and …

Articulated backhoe is a common structural type in hydraulic excavators, that is, the boom, stick and bucket are hinged with each other. Under the action …

The pressure compensation valve in LUDV system is based on the proportional overflow principle. The maximum load pressure is transmitted to all pressure compensation valves …

Construction machinery vehicles such as hydraulic excavators have the advantages of economy, which are widely used in construction, road construction, water conservancy, mining and military …

In the mechanical system of excavator working device, the main force is acted on the working device by the hydraulic system through the oil cylinder. …

Hydraulic excavator is a complex electromechanical hydraulic system integrating mechanical, hydraulic and control technology, which represents the development direction of engineering machinery and equipment. With …

According to the analysis of excavator power system and working system, in order to realize the power matching of excavator engine and hydraulic system, the …