Knowledge

The central rotary joint is used to send the high-pressure oil and compressed air rotating the rotary table to the non rotating chassis, and ensure …

When the excavator is operating, the driver pulls the pneumatic control valve and the suspension cylinder cannot be locked, so the excavator is unstable. 1. …

When the excavator is not working, after the outrigger is retracted, the outrigger gradually falls under the action of self weight. 1. Cause analysis According …

The excavator has the fault of slow action, in which the boom action is the most obvious, and the engine speed decreases with load. Everything …

Excavator engines are divided into direct injection engine and electronic injection engine. For those who have just entered the industry, they don't know how to …

At present, turbocharging and intercooling technology are widely used in domestic construction machinery engines, and regular maintenance is required during use. It is recommended to …

Because the probability of excavator failure in summer is very high, it is very distressed for excavator rotation, no action, high temperature and other failures. …

Near winter, with the temperature gradually decreasing, some excavators are difficult to start. It may be that the excavator is difficult to start at ordinary …

Long time construction in summer, coupled with high temperature weather, the continuous high temperature of the engine has become a troublesome problem. This paper introduces …

The excavator suddenly has high fuel consumption, accompanied by engine jitter and unstable idle speed. In serious cases, it will also have a series of …