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Excavators generally work long hours, heavy workload, high power consumption, high calorific value of the system, and great potential energy and kinetic energy loss in …
When starting a diesel engine in cold season, sometimes the pump shaft will be broken. The first reason is the quality problem of the pump …
The working device of hydraulic excavator is a construction tool directly used for excavation. It uses the hydraulic cylinder expansion to complete the boom lifting, …
The lower boom and the upper boom of the three boom wheeled hydraulic excavator are connected by a pin shaft, and a combined boom cylinder …
According to the actual situation, in order to optimize the structure of the stick and improve the safety system, the following measures can be taken. …
The general working device is composed of boom, stick, bucket, rocker arm, connecting rod, boom cylinder, stick cylinder, bucket cylinder, various pin shafts and corresponding …
Hydraulic excavator is the main construction machinery of earthwork engineering, which is widely used in traffic, irrigation and water conservancy, urban construction and mechanized construction …
After using for 8h ~ 10h, daily maintenance is an important guarantee to keep the excavator in normal operation and reduce accidents. The main work …
Large hydraulic excavators are mainly used in various large-scale open-pit mining and large-scale infrastructure construction, in which shovel excavator accounts for the majority. Compared with …
Hydraulic excavator is different from mechanical excavator. When it is used for operation, the key point is to master the characteristics and use methods of …
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