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  1. #1
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    Default Remote control Jib crane

    I know most of you guys are on Facebook, so thought I'd share my link of my crane I've been talking about for the past months.

    If you want it posted here just let me know and I'll give it a go.
    I'm a really rusty on posting on forums these days with picture size etc after so many years away, and expecially from a phone.

    https://m.facebook.com/groups/173778...5469164855096/

    DaveJ

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  2. #2
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    Dec 2005
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    South Australia
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    Default

    We are not all On FaceBook

  3. #3
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    Default

    Fair enough, I'll give it a go in the next few days.
    I did post it on metalworkingfun forum if that helps.

    DaveJ

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  4. #4
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    Default

    A few pictures

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  5. #5
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    Default

    2

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  6. #6
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    3rd

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  7. #7
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    4th

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  8. #8
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    And if anyone is up for a read

    It has taken a long time and alot of work to get it completed and everything works as it should and load tested etc.

    I had built a Jib crane in my last shop that I posted on many forums back in 2010.

    The crane is 3.4m span from the pivot point, made of 200/29kgm beam.

    The post Is double 100x100x4mm stitch welded together and attached to 2x 150x100x10mm lintal angle 2.2m long with extra 10mm plate welded to it for bearing supports etc.
    The crane itself is built to well over one ton specs.

    It is bolted split our story house onto the bearers, 6 floor joist, 6 wall studs and 7 upper floor floor joists.
    A total of 15x16mm bolts and 7 coach bolts and 4x16mm dynabolts if my memory is right, so it's not going anywhere.

    The double top bearings are 55x100x21mm and 50x100x20mm
    And the bottom taper roller bearings 55x90x23x19 and a 34.988 x 59.131 x 15.875 (Holden trailer axle) opposing it to stop and lift.

    With the under beam height only being 2.25m from the floor it needed a super low headroom hoist and nothing is available, so I made my own mini version using ideas from the large commercial manufacturers like Kone etc low headroom hoists.

    I used a 500kg Chinese hoist with a home made rope block etc. With the rope block the hoist is only seeing 125kg at full capacity.
    The other trolley motor is from a mud mixer and other bits came from my good friend Peter Marr who is a member here.
    It couples with a chain drive and a shaft to transfer to the opposite side where it is chain driven again for 4wd.

    For rotation I used another 500kg hoist, then made a 4.3:1 ratio gearbox between it and the 50:1 heavy duty reduction box coupled directly to the crane bearing shaft.

    The hook only hangs down 230mm under the beam and is 2m from the ground, so no chance of running into it even though I'm 1.8 tall.

    The hoist has up and down limit switches using rollers, cable, levers etc as well as travel limit switches.

    It also has a power point with extra switch work for lights to use over a island bench etc, and just for fun a beeper and laser positioning lights.
    The beeper/lazer where mainly for the kids as they followed my journey and helped where they could.

    I had planned on putting KG stickers on it like my last crane, but he lady across the road makes stickers, so after seeing the work I had put into it she suggested to making some up custom brand ones using my last name.

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  9. #9
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    5th

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  10. #10
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    6th

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  11. #11
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    7th

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  12. #12
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    10th

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  13. #13
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    11th

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  14. #14
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    12th rotation motor

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  15. #15
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    Rope wedge

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