hydraulic machinery are machines and tools that use fluid power to do the work. ningbo zhongyi hydraulic motor co., ltd is an expert in this field. if you want great hydraulic motor, piston motor, hydraulic winch and hydraulic steering, gearbox, pg电子下载-pg电子游戏 unit products or some good, reliable storage locker information then visit site.almost all types of heavy equipment is a common example. with this type of equipment, hydraulic fluid is pumped to a high pressure then transmitted through the machine to various actuators.
the hydraulic pumps are powered by engines or electric motors. the pressurized fluid is controlled by the operator with control valves and then distributed through hoses and tubes.
the increasing popularity of hydraulic machinery is due to the large amount of power that is transferred through small tubes and flexible hoses. the high power density and wide array of actuators can make
use of this power.
hydraulic power
the theory that lies behind hydraulic equipment is fluid pressure.
1. a force that acts on a small area can create a bigger force by acting on a larger area by hydrostatic pressure.
2. a large amount of energy can be carried by a small flow of highly pressurized fluid.
pumps
a hydraulic pump will supply the fluid to the components in the system. pressure in the system will develop in reaction to the load. pumps have a power density of around ten times greater than an electric motor. the pumps are powered by an electric motor or engine, which is connected through gears, belts, or a flexible elastomeric coupling to reduce the heavy vibration.
the common types of hydraulic pumps for hydraulic machinery applications include:
1. gear pump - the gear pump is cheap, durable, and simple. it is less efficient, simply because it is constant displacement and suitable for pressures that are below 3,000 psi.
2. vane pump - vane pumps are cheap, simple, and reliable. they are good pumps for higher flow low pressure output.
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