Hydraulic pumps: Difference between revisions
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[[Category:Parts]] | |||
[[Category:Hydraulic parts]] | |||
=Introduction= | |||
Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy i.e. flow, pressure). It generates flow with enough power to overcome pressure induced by the load at the pump outlet. When a hydraulic pump operates, it creates a vacuum at the pump inlet, which forces liquid from the reservoir into the inlet line to the pump and by mechanical action delivers this liquid to the pump outlet and forces it into the hydraulic system. Hydrostatic pumps are positive displacement pumps while hydrodynamic pumps can be fixed displacement pumps, in which the displacement (flow through the pump per rotation of the pump) cannot be adjusted, or variable displacement pumps, which have a more complicated construction that allows the displacement to be adjusted. Hydrodynamic pumps are more frequent in day-to-day life. Hydrostatic pumps of various types all work on the principle of Pascal's law. | |||
=Challenges= | =Challenges= | ||
Hydraulic components are often designed for a specific rate of fluid flow. Inexpensive electric hydraulic power systems typically run at a relatively low flow rate around 2 gallons per minute. Selecting components which work well at this flow rate will be critical for achieving desired operation. | |||
=Approaches= | =Approaches= | ||
* [https://www.amazon.com/VEVOR-Hydraulic-Reservoir-Electric-Trailer/dp/B08NV63VNT/ Hydraulic Power Unit 15 Quart Hydraulic Pump Double Acting with Metal Reservoir Hydraulic Power Pack 12V Electric Dump Trailer Pump for Car Lifting] | |||
* [https://www.amazon.com/dp/B0816CZKR9/ Mophorn Hydraulic Power Unit 6 Way 6 Quart Hydraulic Pump Double Acting Hydraulic Power Unit 12V DC Dump Trailer Car Remote with Plastic Oil Reservoir (Plastic, Double Acting)] | |||
* [https://www.vevor.com/products/6-way-hydraulic-pump-12v-6-quart-double-acting-dump-trailer-control-kit 6 Way Hydraulic Pump 12v 6 Quart Double Acting Dump Trailer Control Kit] | |||
= | =To do= | ||
* find variation which best fits the [[grids]] | |||
=References= | |||
* [https://wiki.opensourceecology.org/wiki/Hydraulic_Motor_Library OpenSourceEcology: Hydraulic Motor Library] | |||
* [http://www.surpluscenter.com Surplus Center] | * [http://www.surpluscenter.com Surplus Center] | ||
* [http://www.tractorsupply.com Tractor Supply Company] | * [http://www.tractorsupply.com Tractor Supply Company] | ||
* [https://en.wikipedia.org/wiki/Hydraulic_machinery Hydraulic machinery] | |||
* [https://en.wikipedia.org/wiki/Hydraulic_pump Wikipedia: Hydraulic pump] | |||
Latest revision as of 09:01, 23 September 2021
Introduction
Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy i.e. flow, pressure). It generates flow with enough power to overcome pressure induced by the load at the pump outlet. When a hydraulic pump operates, it creates a vacuum at the pump inlet, which forces liquid from the reservoir into the inlet line to the pump and by mechanical action delivers this liquid to the pump outlet and forces it into the hydraulic system. Hydrostatic pumps are positive displacement pumps while hydrodynamic pumps can be fixed displacement pumps, in which the displacement (flow through the pump per rotation of the pump) cannot be adjusted, or variable displacement pumps, which have a more complicated construction that allows the displacement to be adjusted. Hydrodynamic pumps are more frequent in day-to-day life. Hydrostatic pumps of various types all work on the principle of Pascal's law.
Challenges
Hydraulic components are often designed for a specific rate of fluid flow. Inexpensive electric hydraulic power systems typically run at a relatively low flow rate around 2 gallons per minute. Selecting components which work well at this flow rate will be critical for achieving desired operation.
Approaches
- Hydraulic Power Unit 15 Quart Hydraulic Pump Double Acting with Metal Reservoir Hydraulic Power Pack 12V Electric Dump Trailer Pump for Car Lifting
- Mophorn Hydraulic Power Unit 6 Way 6 Quart Hydraulic Pump Double Acting Hydraulic Power Unit 12V DC Dump Trailer Car Remote with Plastic Oil Reservoir (Plastic, Double Acting)
- 6 Way Hydraulic Pump 12v 6 Quart Double Acting Dump Trailer Control Kit
To do
- find variation which best fits the grids
