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Mini excavator product overview and product structure overview

Small construction machinery has exerted great advantages in municipal engineering, transportation and other constructions and has developed rapidly. Small excavators have made great contributions to saving manpower and material resources in these projects, meeting various urban operation requirements, and can maximize their production capacity in the narrow work space of the city, and gradually become a representative of urban construction. Construction machinery. The development of small excavators mainly depends on the development of urban construction. Due to the transformation and construction of cities, short construction time, small impact of construction machinery on the surrounding environment, safety, low pollution, small turning radius, easy transportation, and The appearance of the city’s scenery and so on.

It is generally composed of power unit, transmission unit, walking unit and working unit. Principle: Use a bucket to excavate materials above or below the bearing surface, and load them into transport vehicles or unload them to earth-moving machinery at the stockyard. A self-propelled mining machine that loads strips or mineral products from the working surface with a bucket and transports them to the discharge site for unloading. History: It has been more than 130 years since the first manual excavator came out. During this period, it has experienced the development from the steam-driven bucket rotary excavator to the electric drive and internal combustion engine driven rotary excavator, and the fully automatic hydraulic excavator using mechatronics technology. Gradual development process

Due to the application of hydraulic technology, there were mounted excavators equipped with hydraulic backhoes on tractors in the 1940s. In the early and mid 1950s, towed full-rotation hydraulic excavators and crawler full-hydraulic excavators were successively developed. . The initial trial-produced hydraulic excavators used the hydraulic technology of airplanes and machine tools, and lacked hydraulic components suitable for various working conditions of the excavators, the manufacturing quality was not stable enough, and the supporting parts were not complete. Since the 1960s, hydraulic excavators have entered a stage of promotion and vigorous development. Excavator manufacturers and varieties in various countries have increased rapidly, and output has soared. During 1968-1970, the output of hydraulic excavators accounted for 83% of the total output of excavators, which was close to 100%


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