Category: Knowledge

The main actuator actions of hydraulic excavator include: whole machine walking, turntable turning, boom lifting, stick retracting, bucket loading and unloading. These actions are combined …

There are two main defects in the use of wheel excavator driving axle gear, one is tooth surface wear and fatigue pitting, even broken teeth. …

Jack itself is a common tool, which is used to repair the slewing bearing, ring gear and other parts of the excavator, or to repair …

The connection dimensions of boom and platform and boom and stick are exactly the same as the corresponding dimensions of the whole boom, so as …

The single pipe braking system is mainly composed of hydraulic pump, overflow valve, filter, single pipe energy storage and filling valve, pressure switch relay, accumulator, …

The hydraulic actuator of boom, stick, bucket, bucket, bucket opening and walking device is supplied by four main working pumps. Each main working pump controls …

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 …