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Thread: 3 ton free standing jib crane

  1. #1
    Supporting Member Frank S's Avatar
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    Frank S's Tools

    3 ton free standing jib crane

    Ok actually if you were to install a 7 ton hoist on it and loaded it all the way out to the end of the boom the crane would have still be safe and stable I built this for a maintenance facility that repaired vehicles for the US Army so the rating had to be graded according to Government standards
    3 ton free standing jib crane-jib-crane-1.jpg
    the bottom bearings
    3 ton free standing jib crane-jib-crane-2.jpg
    the crane leg 18" sch 160 pipe
    3 ton free standing jib crane-jib-crane-3.jpg
    the bottom bearings before assembly into the outer shell
    3 ton free standing jib crane-jib-crane-5.jpg
    top bearings on the 3 1/2" top pivot shaft
    3 ton free standing jib crane-jib-crane-7.jpg
    crane leg machined, fabricated and ready for paint
    3 ton free standing jib crane-jib-crane-9.jpg
    Home made carbon brush swivel for 3 ph with ground 3/8 by 1 1/2" brushes
    3 ton free standing jib crane-jib-crane-6.jpg
    Anchor bolt assembly for mounting of the crane the pit was dug 6 ft deep 10 feet wide by 10 feet long
    3 ton free standing jib crane-jib-crane-14.jpg
    crane boom ready for paint
    3 ton free standing jib crane-jib-crane-12.jpg
    installed and ready for use
    3 ton free standing jib crane-jib-crane-4.jpg
    Last edited by Frank S; 11-06-2019 at 07:20 PM.
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  2. The Following 11 Users Say Thank You to Frank S For This Useful Post:

    baja (11-08-2019), DIYer (11-06-2019), jackhoying (11-11-2019), Jon (11-07-2019), KustomsbyKent (11-07-2019), mwmkravchenko (11-10-2019), Paul Jones (11-08-2019), Philip Davies (11-08-2019), Scotty12 (11-07-2019), Seedtick (11-07-2019), sossol (11-10-2019)

  3. #2
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    Thanks Frank S! We've added your Jib Crane to our Jacks and Lifts category,
    as well as to your builder page: Frank S's Homemade Tools. Your receipt:




  4. #3
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    Very nice. A highly professional job.

  5. #4
    Supporting Member Philip Davies's Avatar
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    Philip Davies's Tools
    Was this done for a facility in Texas, Frank? If you were engaged solely on this, may I ask, how long it took?

  6. #5
    Supporting Member baja's Avatar
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    baja's Tools
    Nice job, Frank!

  7. #6
    Supporting Member Frank S's Avatar
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    Frank S's Tools
    No Philip, I designed it did the machining and welding, prepared the civil and structural analysis report then hand walked it through the department of projects and planning at Camp Arifjan Kuwait to be installed in the civilian maintenance facility. I had a few of my guys doing much of the grunt work assisting in handling sand blasting and painting plus they did the excavation, my hands don't fit jack hammers and shovels from the proposal of the contract to the testing and completion and payment took a few months. I suspect my being a member of the Kuwait society of engineers at the time, and being an American had a lot to do with getting the contract, but so did my contract to construct a set of prestressed concrete bridge beam forms we made and sent to Afghanistan.
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  8. #7
    Rikk's Avatar
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    Quote Originally Posted by Frank S View Post
    No Philip, I designed it did the machining and welding, prepared the civil and structural analysis report then hand walked it through the department of projects and planning at Camp Arifjan Kuwait to be installed in the civilian maintenance facility. I had a few of my guys doing much of the grunt work assisting in handling sand blasting and painting plus they did the excavation, my hands don't fit jack hammers and shovels from the proposal of the contract to the testing and completion and payment took a few months. I suspect my being a member of the Kuwait society of engineers at the time, and being an American had a lot to do with getting the contract, but so did my contract to construct a set of prestressed concrete bridge beam forms we made and sent to Afghanistan.
    One of these days Frank, I'm going to make it out to TX and when I do, I'd like to meet you. I'm betting you've got stories for days from your past career adventures.

  9. #8
    Supporting Member Frank S's Avatar
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    Frank S's Tools
    Quote Originally Posted by Rikk View Post
    One of these days Frank, I'm going to make it out to TX and when I do, I'd like to meet you. I'm betting you've got stories for days from your past career adventures.
    Probably more like stories for months so plan on an extended stay
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  10. The Following User Says Thank You to Frank S For This Useful Post:

    Rikk (11-08-2019)

  11. #9
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    wizard69's Tools
    Nice work!

    ive imagined a nice little retirement work shop with such a crane. Old age makes you reach for mechanical help on even former light things.


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