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  1. #1
    Join Date
    Sep 2008
    Location
    Saskatoon, Sask, Canada
    Posts
    94

    Default Gantry Crane Help

    I was originally going the build a jib crane in my back yard for loading and unloading my welder from my truck but now I am thinking gantry crane instead.

    Here's my problem it has to be able to be moved on my lawn and in 2 directions if that makes sense. I don't know exactly how much weight it needs to carry. I was thinking 1 ton would be about right but that might be over kill for what i need. My welder weighs 595lb dry and I am going to be building a skid with tool boxes and the usual stuff so I'm not sure on what the final weight will be.

    back to my problem. What to I use for casters that can hold the weight and be able to roll on lawn it doesn't have to roll loaded juts to move it out of the way when not in use and into position to use it.

    Does anyone have any ideas or pictures od any gantry crane that aren't rolling on cement? All I have so far is a big S-beam that I picked up at auction years ago so I am open to any and all ideas.

    If I didn't give enough info just tell me what you need to know and I am happy to post it.

    Thank you.
    Hobart Mega Arc 5040DD (with built in air compressor)
    MM Passport Plus with Q-gun
    O/A

    sold MM 251

    There are only 2 tools needed in a tool box. 1) Duct tape to fix any thing that moves that isn't supposed to. 2) WD40 to fix anything that doesn't move but should.

  2. #2
    Join Date
    Apr 2006
    Location
    TAXACHUSSETTS
    Posts
    1,481

    Default

    Northern got alot of wheels,Also check out grainger or MSC.
    BB402D
    TB300D
    DIMENSION652
    MM250X
    MAXSTAR140
    S-32 FEEDER W/1260 IRONMATE FC/GUN
    HT/PWR-MAX1250 PLASMA

  3. #3
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,894

    Cool

    Put 4 spindles on it and some small car or trailer tires. My dad had a few of them when i was a kid rolling around our place. Myself and my buddies used to roll them all over the yard. Think of an A frame swingset with wheels and a connecting bar between the legs at the bottom of the A...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

  4. #4
    Join Date
    Dec 2007
    Location
    PA
    Posts
    346

    Default

    Hello Mega Arc 5040DD,

    You have a neighbor (c wagner) right in your town who can probably give you lots of guidance.

    I am a yankee from Philadelphia who spent a week up in your country about 25 years ago at Key Lake mines so I have fond memories of Saskatoon.

    I worked with our sales rep for 3 weeks back then and visited Lloydminster, Moose Jaw, Kerrobert, Rosetown, Kindersley, Regina and PA among many other towns so I truly got the cook's tour.

    I would look into small inflated tires like those on golf carts as a start.
    Maybe use several like the double axles on trucks for a bigger footprint.

    good luck and be safe,
    Thermal Arc GTSW400, Airco Heliwelder II, Miller Dynasty 350, Hypertherm 1000, oxy-fuel setup, metal cutting bandsaw, air compressor, drill press, etc.:

    Call me the "Clouseau" of welding !

  5. #5
    Join Date
    Sep 2008
    Location
    Saskatoon, Sask, Canada
    Posts
    94

    Default

    Quote Originally Posted by aametalmaster View Post
    Put 4 spindles on it and some small car or trailer tires. My dad had a few of them when i was a kid rolling around our place. Myself and my buddies used to roll them all over the yard. Think of an A frame swingset with wheels and a connecting bar between the legs at the bottom of the A...Bob
    that's kinda what I was thinking and I have some spindles laying but I can't figure out how to make them so they can be turned. Would I still be able to maneuver it around the yard with the tire fixed in one direction?
    Hobart Mega Arc 5040DD (with built in air compressor)
    MM Passport Plus with Q-gun
    O/A

    sold MM 251

    There are only 2 tools needed in a tool box. 1) Duct tape to fix any thing that moves that isn't supposed to. 2) WD40 to fix anything that doesn't move but should.

  6. #6
    Join Date
    Feb 2009
    Location
    banning ca.
    Posts
    135

    Default

    Quote Originally Posted by Mega Arc 5040DD View Post
    that's kinda what I was thinking and I have some spindles laying but I can't figure out how to make them so they can be turned. Would I still be able to maneuver it around the yard with the tire fixed in one direction?
    yes
    to turn it, you just push one side
    but you will not be able to move from side to side

    i didnt put wheels on mine. i made it like a sled from C-channel turning just the tip up on the ends.
    slides easy with two people (not so easy by my self tho)
    my dad had made a tripod from 3 15' 2x3x.125 that had a flat plate at the top and were pined to it and then about 3' down was chained together he had a chainfall hooked in the center and i have seen him pick up a lot more then your trying to pick up
    was hard to carry but didnt take up much room when not in need
    hope this helps
    gary...

  7. #7
    Join Date
    May 2008
    Location
    Mpls, MN
    Posts
    464

    Default

    My local "U Pull R Parts" junk yard has 2 gantries they made for people to use to pull engines. They each have 4 space saver spares as the wheels (they used car spindle bearing assemblies). I am not sure what they used for the bearing assembly for swiveling the wheels but all 4 wheels swivel just like swivel casters and are kicked back like they do for casters. These work great and roll over all kinds of crap.

    -Dan
    Owner
    DW Metalworks LLC
    Miller Trailblazer 302
    Miller 8RC Feeder
    Miller Passport Plus
    Miller Dynasty 200 DX W/Coolmate 1
    Hobart Handler 135
    Hypertherm PowerMAX 30
    Smith O/A Torch Set
    Plus more tools then my wife will ever know about....

  8. #8
    Join Date
    Mar 2008
    Location
    Anchorage AK
    Posts
    344

    Default

    Car front spindles (strut type) with the top of the strut tipped to 10-15 degrees will give you lots of caster. You can eliminate the strut it just needs a bearing top and bottom to rotate on.

  9. #9
    Join Date
    Feb 2008
    Location
    Western NY State
    Posts
    41

    Smile Crane

    I built a small auto engine puller based on a Cavalier rear axle. My son rolled his car and we had to replace the axle. The axle is a fabrication and the spindles bolt onto an upright strut. The spindles have four bolt holes and could be used elsewhere. I sectioned the axle to narrow it then welded on a piece of three inch pipe about five feet high for the upright. The boom is made out of five and four inch sqauare tube with the smaller inside and a pin that runs through it with various holes to adjust the length. I used 2x4 tube for the legs and the local offshore tool store had a 36 inch long bottle jack for about $70. This has come in very handy for lifting and positioning heavy items. The boom, jack, and legs are removable so that it easy to transport. After a little scrounging the only parts I bought were the pins, jack and legs. I tried to use schedule 80, 1 1/4 pipe for the legs but it was not stiff enough. The 1/4 x 2 x 4 tube is the way to go.

  10. #10
    Join Date
    Feb 2010
    Location
    Kansas City, MO
    Posts
    5

    Default Welder crane

    I have a Western Mule Bumper Crane that i mounted in place of my trucks existing bumper. It works best for me because now I can take the welder in and out of the truck whenever/wherever I need to.

    Mine has the optional vise mount, which is convienent.
    AND it folds away into the bumper when i dont need it... couldn't ask for more.

    I don't have any pics of my own truck, but heres one I pulled from their website... Western Mule truck cranes


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