Excavator 10 difficult technology: building demolition work PK crushing work

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Some excavators are born to engage in construction, to help a new building to rise; some excavators are specialized in destruction, the old building demolition to push down. Dry building demolition operations of the excavator, shift costs than the average to be much higher, and most of the contracting system, the driver's salary is often more than ten thousand dollars. The reason why the cost is so high, because the demolition of buildings is a high-risk operation, not only to test the courage of the driver and technology, but also to test the driver's judgment and experience of the actual situation. If you want to make a living in this field, you must know the relevant experience and skills.
 

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Why does the hydraulic fluid in excavators turn black? This time it's not because of the heat!

Why does the hydraulic fluid in excavators turn black? This time it's not because of the heat!

Construction machinery on the hydraulic components are many, hydraulic oil in the hydraulic system plays a lubricating role, if not replaced for a long time, the hydraulic oil will become black, viscosity reduction will directly lead to the excavator main pump injection, valves, multi-way reversing valves, oil seals and so on the intensified wear and tear of the various hydraulic system parts, over time resulting in the components of the gap between the occurrence of leakage and seriously affect the excavator's action consistency, powerlessness and other phenomena. Phenomenon.

Excavator hydraulic breaker hammer internal workings in detail

Excavator hydraulic breaker hammer internal workings in detail

The relationship between the area A1 of the upper chamber of the cylinder and the area A2 of the lower chamber of the cylinder is A1>A2, and A2 is always subject to high pressure. When A1 is changed from high pressure to low pressure, the piston moves upward, accompanied by high-pressure nitrogen in the rear cylinder body under pressure to store energy.

Excavator Hydraulic Breaking Hammer Introduction and Working Principle

Excavator Hydraulic Breaking Hammer Introduction and Working Principle

Hydraulic crushing hammer referred to as “crushing hammer” or “crusher”, the power source of the hydraulic crushing hammer is the excavator, loader or pump station to provide the pressure, it can be more effective in the construction of the project can be crushed stone and rock, improve work efficiency. Selection of hydraulic crushing hammer principle is based on the excavator model, the operating environment to choose the most suitable hydraulic crushing hammer, according to the hydraulic network of senior consultants Li Gong analysis of China's hydraulic crushing hammer is mainly from foreign countries to introduce technology, South Korea's crushing hammer foundation is good, hydraulic network of Li Gong reminds us not to forget to support the domestic technology so that there is a better development.

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