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Thread: Counterbalance folding platforms

  1. #1
    Associate Engineer
    Join Date
    May 2013
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    2

    Post Counterbalance folding platforms

    I am designing a folding or collapsible stage. There are four units of 3 4x8 platforms each, hinged together such that all three face up when unfolded:

    Cx
    B => C x B x A
    xA

    (x = hingepoint)

    A is attached to a mobile trailer. B & C have fold out legs. Once unfolded all are locked together with coffin locks.

    I want to implement a system to counterbalance the platforms while they are being unfolded to make it both easier and safer to set up. Any suggestions would be most welcome. Thank you.

    RLK

  2. #2
    Technical Fellow Kelly_Bramble's Avatar
    Join Date
    Feb 2011
    Location
    Bold Springs, GA
    Posts
    2,611
    Welcome to EE!

    Do you have a drawing?


  3. #3
    Associate Engineer
    Join Date
    May 2013
    Posts
    2
    [QUOTE=Kelly Bramble;6294]Welcome to EE!

    Do you have a drawing?

    Untitled-1.jpg
    Does this help?

  4. #4
    Technical Fellow
    Join Date
    Feb 2011
    Posts
    1,043
    Roughly what does each segment weigh?

    I assume that 4x8 is 4-feet x 8-feet?

    Are you are putting any extra weight once the platform is extended?

    This is like pulling teeth. If you want a useful answer then take the time to give us some complete and useful descriptions. We are not mind-readers or Genies.

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