Hydraulic Transmission

Hydraulic transmission is a transmission method that uses liquid as a working medium to transfer energy and control.

Hydraulic Transmission

Hydraulic transmission and pneumatic transmission are called fluid transmission, which is an emerging technology developed according to the principle of hydrostatic pressure transmission proposed by Pascal in the 17th century.

It is a technology widely used in industrial and agricultural production.

Today, the level of fluid transmission technology has become an important indicator of a country’s industrial development level.

The basic principle

The basic principle of hydraulic transmission:

The hydraulic system uses a hydraulic pump to convert the mechanical energy of the prime mover into the pressure energy of the liquid.

Energy is transferred by changes in fluid pressure energy.

Through the transmission of various control valves and pipelines.

The hydraulic pressure element is converted into mechanical energy by means of a hydraulic actuator (hydraulic cylinder or motor), thereby driving the working mechanism to achieve linear reciprocating motion and rotary motion.

The liquid is called the working medium, generally mineral oil.

Its function is similar to that of belts, chains and gears in mechanical transmissions.

In hydraulic transmission, hydraulic cylinder is the simplest and relatively complete hydraulic transmission system.

Analysis of its working process, you can clearly understand the basic principles of hydraulic transmission.

Theoretical application

Hydraulic transmission has many outstanding advantages, so its application is very extensive.

Such as general industrial plastic processing machinery, pressure machinery, machine tools, etc.;

Construction machinery, agricultural machinery, automobiles, etc. in walking machinery;

Metallurgical machinery, lifting devices, roll adjustment devices for the steel industry, etc.;

Flood control gates and dam installations for civil and hydraulic projects, river bed lifting devices, bridge control mechanisms, etc.;

Power plant turbine speed control device, nuclear power plant, etc.;

Deck cranes (winch), bow doors, bulkhead valves, stern thrusters, etc. for ships;

Giant antenna control device for special technology, measuring buoy, lifting and rotating stage, etc.;

Artillery maneuvering devices for military industry, ship anti-rolling devices, aircraft simulation, retracting devices for aircraft landing gear, and rudder control devices.

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