Knowledge

In order to occupy a place in the excavator market competition, many foreign well-known excavator manufacturers have proposed energy-saving control systems with independent intellectual property …

In order to occupy a place in the excavator market competition, many foreign well-known excavator manufacturers have proposed energy-saving control systems with independent intellectual property …

Hydraulic excavator is a kind of high-power and high-energy engineering machinery. Because of the various power losses in its hydraulic system, the efficiency of hydraulic …

According to the connection mode of drive system, hybrid hydraulic excavator can be divided into series type, parallel type and hybrid type. Parallel hybrid power …

According to the connection mode of the drive system, the hybrid hydraulic excavator can be divided into series type, parallel type and mixed type. The …

The hybrid hydraulic excavator is equipped with internal combustion engine drive system, auxiliary power unit and energy storage device at the same time. The power …

During the process of turntable start-up, the root cause of overflow loss of hydraulic system is the contradiction between supply and demand of flow. Especially …

The slewing hydraulic system of hydraulic excavator is mainly used to realize the slewing movement of hydraulic excavator. The slewing system of hydraulic excavator can …

In the normal working state of hydraulic excavator, the load on each part is constantly changing and complex, so it is impossible to directly measure …

Accumulator is an important auxiliary component in hydraulic system, and its response ability has a very important influence on improving system performance. The main function …