Category: Knowledge

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 …

The maximum design working pressure of hydraulic system of excavator is 31.5Mpa. The hydraulic actuators of the boom, stick, bucket, bucket opening and walking device …

Excavator mainly works in the field, with short and complex working cycle, excessive load and frequent overload, high dynamic response requirements, complex control algorithm, control …

The characteristic of the hybrid system is that the internal combustion engine system and the motor drive system each have a set of mechanical speed …

The main reason that restricts the development of hydraulic excavators in China is the lack of advanced and effective test methods and equipment, which leads …