Miller Electric

Welding Discussion Forums

Home » Resources » Communities » Welding Discussion Forums
 
Miller Welding Discussion Forums - Powered by vBulletin

Page 1 of 2 12 LastLast
Results 1 to 10 of 20
  1. #1

    Default chain hoist A-frame help

    I just ordered a 2 ton chain hoist for lifting heavy things out of the back of my truck, I have some strong tree branches to hook it to but I wanted to build something for it instead, something I can back my truck under, so I can place whatever it is I'm lifting where I want it, I was also thinking about making it collapsable so I can take it with me to load and unload things, maybe a pin or bolt can hold some pieces together so it can be taken down easily and transported, here is a terrible sketch i drew on my Android phone, any help or comments are much appreciated!
    Attached Images Attached Images

  2. #2
    Join Date
    Sep 2005
    Location
    WY...armpit of U.S.A.
    Posts
    659

    Default

    Should give you plenty to look over...

    http://www.google.com/search?um=1&hl...st&btnG=Search
    Miller 251...sold the spoolgun to DiverBill.
    Miller DialArc 250
    Lincoln PrecisionTig 275
    Hypertherm 900 plasma cutter
    Bridgeport "J" head mill...tooled up
    Jet 14 X 40 lathe...ditto
    South Bend 9" lathe...yeah, got the change gears too
    Logan 7" shaper
    Ellis 3000 band saw
    Hossfeld bender w/shopbuilt hyd.
    Victor Journeyman torch and gauges
    3 Gerstner boxes of mostly Starrett tools
    Lots of dust bunnies
    Too small of a shop at 40 X 59.

  3. #3
    Join Date
    Sep 2005
    Location
    Warren PA
    Posts
    103

    Default

    they are easy to build, but don't expect it to be easily portable. the one I built is technically portable, but its more than a one man job, ****, just adjusting the height is an ordeal.

    Last edited by youfoundtheking; 11-11-2011 at 10:47 AM.

  4. #4
    Join Date
    Nov 2009
    Location
    South Alabama
    Posts
    257

    Default

    I built one with reciever tubes on each end of the I beam so I can break it down and store it out of the way, can't find any pictures of it right now or I would attach them.
    "The only source of knowledge is experience." Albert Einstein

  5. #5
    Join Date
    Jul 2011
    Posts
    162

    Default

    2 tons? Wide enough to lift a 2-ton item out of your truck? The limiting factor here is the beam spanning the two sides.

    A 100 inch (8 foot, 4 inch) span of wide flange W6-9 (like an I-beam but more stable) will take that load with about 3/16" deflection and peak stress of 18,000 PSI. For ASTM A36 material, this gives a factor of safety of 2 against yield (ASTM A36 material in this section has a minimum yield stress of 36,000 PSI).

    This material weighs 9 pounds per foot. That span is a good 75 pounds without the chain hoist.

    Now for the A-frame design. Instead of an A, make it a complete triangle. Use the same material. Width is all dependent on height. Diagonal gussets at the cross beam to triangle intersection is also a good idea. For a quick take-down, the design becomes more complex.

  6. #6
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    I have loaded mine about as much as I wanted to, ha, as I recall we measured it. I had a cobbled up beam and found another one. I raised and spread legs a little, will roll thru 14 door. I like it because although it has a home it can be moved around shop.
    Attached Images Attached Images
    Last edited by Sberry; 11-12-2011 at 03:53 PM.

  7. #7

    Default

    Thanks for all the help guys, I have a much better idea of what I'm gonna be building now

  8. #8
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    I re-did mine a couple of times over the years. Made the wheels from pipe. When I upgraded the beam it was about 20 ft and I cut it to 18, made it a bit stronger and the fit in the building worked out as good as it could, give enough width that could remove something from a truck and carriage it sideways, set on floor, is wide enough that projects sitting under it that doesnt cause crowding.
    I had 2 beams, used one I should have used another for and had intended on building a different unit that mounted to building post on one end, this I had already and was portable, I really didnt need 2, its liveable in the way and works.
    I built a small one for a Bud, post at wall is for load but hinges on it, the close leg arcs and rotates.
    Attached Images Attached Images

  9. #9

    Default

    Where do I find those rollers that hook to the I beam? Or how can I make one?

  10. #10
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,825

    Default

    Do a search on the web for "I-beam trolly".
    MM250
    Trailblazer 250g
    22a feeder
    Lincoln ac/dc 225
    Victor O/A
    MM200 black face
    Whitney 30 ton hydraulic punch
    Lown 1/8x 36" power roller
    Arco roto-phase model M
    Vectrax 7x12 band saw
    Miller spectrum 875
    30a spoolgun w/wc-24
    Syncrowave 250
    RCCS-14

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Non-static method PhpQuickProfiler::getMicroTime() should not be called statically in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/pqp/classes/Console.php on line 77

Warning: Function split() is deprecated in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/footer.inc.php on line 62

Welding Projects

Special Offers: See the latest Miller deals and promotions.

Warning: Function split() is deprecated in /mnt/stor3-wc1-dfw1/357822/357839/www.millerwelds.com/web/content/lib/footer.inc.php on line 137