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There are many kinds of working devices of hydraulic excavator. At present, backhoe and crushing hammer are most used in engineering construction. Articulated backhoe is …
The traveling mechanism of hydraulic excavator supports the quality of the whole machine and completes the walking task. Generally, two small torque or low-speed high …
1. Power and transmission system The power unit of hydraulic excavator mostly adopts vertical multi cylinder, water-cooled and 1-hour power calibrated diesel engine. The transmission …
1. Energy conversion pathway Hydraulic excavators generally use the diesel engine as the power source to convert the chemical energy of diesel into mechanical energy. …
Excavator is a multi-purpose earthwork construction machinery, which is mainly used for earthwork excavator and loading operation. It can also carry out land leveling, slope …
1. Oil pipe Due to the high working pressure of the system, seamless steel pipe and high-pressure rubber pipe are selected in the pipeline without …
1. Overflow valve The basic function of the overflow valve is to limit the maximum pressure of the system, prevent the system from overload or …
According to the power source driving the main distribution valve, the basic types of operation control system of hydraulic excavator can be divided into mechanical …
The so-called cylinder rod crawling is that after the excavator shuts down the engine, the cylinder rod will produce a certain displacement under this static …
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