In modern construction machinery, hydraulic working devices are inseparable. Even if the main working devices do not use hydraulic equipment, hydraulic systems are usually required to achieve some auxiliary work. Hydraulic pressure is so important and very important to our life and works closely.

But for non-professional ordinary people, it still has some mysteries, and various principles are not well understood. Some are familiar with this word, and others are unknown.

When it comes to the hydraulic system, we must talk about the most important pump. The pump is the basis of the hydraulic system. The pump is used to transport liquid or pressurize the liquid.

History of a hydraulic system

The birth of the pump is very early, and the instruments used for lifting water in ancient times were the earliest pumps, such as the waterwheel in China and the chain pump in Egypt.

After the Industrial Revolution, with the wide application of steam engines, the demand for large-flow and high-speed liquid transportation increased, and mechanical pumps have begun to be born. Now pumps are more and more widely used in all walks of life, and there are more and more types of pumps. , the pump plays an important role as power equipment.

Hydraulic transmission is widely used in various fields and is called "the muscle of industry". In hydraulic transmission, the hydraulic pump is the power element and the "source" of its power. Especially in the era of mechanization, it is everywhere. The importance cannot be overstated.

Consist of a hydraulic system

A complete hydraulic system consists of five parts, namely power components, actuators, control components, auxiliary components, and hydraulic oil.

The function of the actuator (hydraulic cylinder and hydraulic motor) is to convert the pressure energy of the liquid into mechanical energy and drive the machine to perform linear reciprocating motion or rotary motion.

Control elements (various hydraulic valves) control and regulate the pressure, flow, and direction of liquids in hydraulic systems.

Auxiliary components include an oil tank, oil filter, sealing ring, pressure gauge, etc. Hydraulic oil is the medium that transmits energy in the hydraulic system, including mineral oil, synthetic hydraulic oil, etc.

A hydraulic pump is a kind of power element that provides liquid pressurization for hydraulic transmission. It is a kind of pump and an energy conversion device. Its function is to convert the mechanical energy of the power machine (such as an electric motor or internal combustion engine) that drives it into the transmission. The hydraulic pressure energy to the system is similar to the action of a water pump.

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