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Is it possible to connect two hydraulic jacks?

  1. Aug 8, 2012 #1
    it is possible to connect two hydraulic jacks together? i want to lift an inclined board using two hydraulic jacks at both ends of the board. is there a way that i can connect two hydraulic jacks together so that when i pump one of the jacks, the other is also being pumped. Any ideas how to lift the inclined board will also be helpful. thanks.


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    Hydraulic pump 1---------Hydraulic pump 2
     
  2. jcsd
  3. Aug 8, 2012 #2
    it is possible to connect two hydraulic jacks together?

    it is possible to connect two hydraulic jacks together? i want to lift an inclined board using two hydraulic jacks at both ends of the board. is there a way that i can connect two hydraulic jacks together so that when i pump one of the jacks, the other is also being pumped. Any ideas how to lift the inclined board will also be helpful. thanks.


    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    Hydraulic pump 1---------Hydraulic pump 2
     
  4. Aug 8, 2012 #3
    it is possible to connect two hydraulic jacks together?

    it is possible to connect two hydraulic jacks together? i want to lift an inclined board using two hydraulic jacks at both ends of the board. is there a way that i can connect two hydraulic jacks together so that when i pump one of the jacks, the other is also being pumped. Any ideas how to lift the inclined board will also be helpful. thanks.


    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
    Hydraulic pump 1---------Hydraulic pump 2
     
  5. Aug 8, 2012 #4
    Why not split the fluid feed into two, i.e. connect them in parrallel. You will have no control over them separately though.
     
  6. Aug 8, 2012 #5
    Re: it is possible to connect two hydraulic jacks together?

    I've manifolded jacks together many times, lifting as much as 800 tons.

    But they will all see the same pressure. This can be a problem if they do not also see the same load. So install a shut off valve in front of each jack to control the fluid going to that jack individually.
     
  7. Aug 8, 2012 #6

    Simon Bridge

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    Re: it is possible to connect two hydraulic jacks together?

    Well... you could hook them all to the same pump.
    However - there are simpler ways: look up "hydraulic lift table" or just look at the hydraulic platforms at the back of trucks.
     
  8. Aug 8, 2012 #7

    berkeman

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    Staff: Mentor

    Multiple posting the same question across PF forums is against the rules here (and you have been previously warned about this). Check your PMs.

    I have merged the 3 threads into this one.
     
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