Hydraulic Elevators

Hydraulic Machines

Page 1

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 A Few Definitions 

From ASME A17.1-2004

Hydraulic Machine - a unit consisting of pump, motor, valves, and associated internal piping, which converts electrical energy and supplies it as a liquid under pressure.

Hydraulic Jack - a unit consisting of a cylinder equipped with a plunger (ram) or piston, which applies the energy provided by a liquid under pressure.

Driving Machine - the power unit that applies the energy necessary to drive an elevator or other equipment covered by the scope of this Code.

Hydraulic Driving Machine - a driving machine in which the energy is provided by a hydraulic machine and applied by a hydraulic jack.

Hydraulic Driving Machine = Hydraulic Machine + Hydraulic Jack

Direct Hydraulic Driving Machine - a hydraulic driving machine in which the driving member of the hydraulic jack is directly attached to the car frame or platform.

Roped-Hydraulic Driving Machine - a hydraulic driving machine in which the driving member of the hydraulic jack is connected to the car by wire ropes or indirectly coupled to the car by means of wire ropes and sheaves. It includes multiplying sheaves, if any, and their guides.

 

 

Hydraulic Machines
Image 1
Want to buy a jack assembly for this hydraulic machine?
Image provided by: Al Means
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Hydraulic Machines
Image 2   Click to view a larger and higher resolution image
The hydraulic machine for the triple jack installation located here, here, and here.
Image provided by: Joey Loyacono
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Hydraulic Machines
Image 3   Click to view a larger and higher resolution image (1 of 5)
A submersible pump and motor - a valve block is being replaced.
Image provided by: Hans van Lunsen
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Hydraulic Machines
Image 4   Click to view a larger and higher resolution image (2 of 5)
Another view...
Image provided by: Hans van Lunsen
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Hydraulic Machines
Image 5   Click to view a larger and higher resolution image (3 of 5)
The old valve block...
Image provided by: Hans van Lunsen
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Hydraulic Machines
Image 6   Click to view a larger and higher resolution image (4 of 5)
The new valve block...
Image provided by: Hans van Lunsen
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Hydraulic Machines
Image 7   Click to view a larger and higher resolution image (5 of 5)
Can it be saved...of course, Hans is on the job!
Image provided by: Hans van Lunsen
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Hydraulic Machines
Image 8   Click to view a larger and higher resolution image
A hydraulic machine with an oil cooler and flexible hoses...and plenty of leaks!
Image provided by: Tristan Wood
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Hydraulic Machines
Image 9 (1 of 2)
A private residence hydraulic machine...
The controller for this elevator can be found here and here.
Image provided by: Lars Dawson
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Hydraulic Machines
Image 10 (2 of 2)
A close-up of the control valve...
The controller for this elevator can be found here and here.
Image provided by: Lars Dawson
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Hydraulic Machines
Image 11
An antique roped-hydraulic driving machine...
The rope actuated operating device is in the forground.
It appears to have one suspension rope.
I wonder if the energy was supplied by city water pressure?
Winchester Mystery House - San Jose, Californis, U.S.A.
Image provided by: Herbie T. Mann
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