largest bulldozer

With the development of the national economy, large-scale mining,chinese dozer water conservancy, power plants and transportation sector demand for medium and large track-type tractors is increasing, although our medium and large track-type tractor manufacturing larger development, but can not meet the national economic development It needs. To this end, since 1979, China has from Japan's Komatsu and Caterpillar crawler bulldozer introduced the production technology, largest bulldozer process specifications, technical standards and material system, digestion and absorption through research and key technologies

Hydraulic driven system

Modern construction machinery hydraulic system widely used to manipulate the working device. Hydraulic System bulldozer hydraulic have open and closed loop points. Open system with a tank, simple structure, good heat dissipation, the oil in the tank can be precipitated magazine; but poor organization running smoothly, the energy losses. Closed system hydraulic oil in the hydraulic system in a closed loop, compact, high transmission efficiency, and the air is not easy to enter, drive smooth and good; but the closed system structure is complex, poor thermal performance. Construction machinery working device actuator control system to intermittent work based on the transmission efficiency is not critical, it is generally the choice of an open system.
Hydraulic driven system from the power components, actuators, control components and auxiliary equipment and piping components.

hydraulic crawler dozer

In order to form the current , 1980s and 1990s Komatsu technology products as the leading pattern. From the 1960s to now, the domestic tractor industry, hydraulic crawler dozer the company has been stable at around 4, because bulldozer product processing requirements, difficult, production requires a large investment Mechanical Crawler bulldozer is generally not easily get involved in business. But with the development of the market, from the "eight five" start, a number of domestic and medium-sized enterprises according to their own strength, cheap crawler dozer began to run, such as Inner Mongolia First Machinery Factory, Xuzhou loader factory,other.

Bulldozers and loaders

hydrostatically driven wheel loader is a widely used earthwork construction machinery highways, railways, construction, utilities, ports, mines and other construction projects, it is mainly used for loading shovel of soil, sand, lime, coal and other bulk materials。Bulldozer with Universal Blade is one kind by a tractor driven machine, there is a broad and blunt horizontal shoveling to clear the land, road structure or similar work