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Knowledge

China Hydraulic Wheel Excavators Factory - XIAYU

Knowledge

Failure and analysis of slow and weak lifting of boom of wheel excavator

The wheel excavator analyzed here adopts advanced technologies such as high-pressure variable displacement pump, variable displacement motor drive, two speed hydraulic shift transmission, elastic suspension …

Knowledge

The principle of full hydraulic brake system for wheel excavator

Wheel excavator has the characteristics of fast walking speed and convenient transfer, and is suitable for farmland water conservancy and municipal construction. There are two …

Knowledge

Composition and working principle of full hydraulic steering system

The full hydraulic steering system of wheel excavator is generally composed of hydraulic pump, steering wheel, steering gear, rotary joint, steering cylinder and oil tank …

Knowledge
Knowledge

Energy saving method of excavator variable displacement pump

1. Constant pressure variable displacement pump. The device can achieve the purpose of excavator operation based on the flow output of the compression pump, and …

Knowledge

The control method of solving the reverse steering of wheel excavator

1. install position sensor According to the analysis in the previous chapter, a control method is proposed here, which is for reference only: firstly, the …

Knowledge

Problems in steering of wheel excavator

The upper mechanism of wheel excavator can rotate 360 ° freely. It is usually stipulated that the normal driving state is when the cab and …

Knowledge
Knowledge

Overview of slewing bearing of hydraulic excavator

Slewing bearing is an important part of the machinery industry. It is a mechanical force transmission element that the upper and lower parts need to …

Knowledge
Knowledge

The importance of maintenance aids for large excavator

Large excavator, whether using steel wire rope or hydraulic pressure, has the characteristics of high efficiency and large output, and is the main force of …

Knowledge
Knowledge

Working principle and structure of hydraulic excavator

Hydraulic excavator is developed on the basis of mechanical excavator, which is mainly composed of working device, rotary device, walking device and power device. Compared …

Knowledge
Knowledge

Recovery and reuse of potential energy of boom of hydraulic excavator

In the working process of hydraulic excavator, boom lifting action is frequent, and because of the high quality of working device, a large amount of …