structural integrity???

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Hey guys, I have a project that I have a question on. I'm building a strongman yoke for my home gym and I'm down to the most important part and thats the uprights support. I'm down to two styles of upright supports and they both will have three 1'' bolts crossing thru the supports completely thru the uprights.#1#2Any other suggestions or input is greatly appreciated
Reply:Most I've seen have 45 degree braces at the bottom in the same tubing size.Google some pics and you'll see what I mean.Dave J.Dave J.Beware of false knowledge; it is more dangerous than ignorance. ~George Bernard Shaw~ Syncro 350Invertec v250-sThermal Arc 161 and 300MM210DialarcTried being normal once, didn't take....I think it was a Tuesday.
Reply:you'll want a solid foot and have the upright sitting on top of it. I'd weld a tube that the uprights can slide into to the top of the foot and bolt the Upright in. This will allow for disassembly if it needs to be moved.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:Originally Posted by ThorsHammeryou'll want a solid foot and have the upright sitting on top of it. I'd weld a tube that the uprights can slide into to the top of the foot and bolt the Upright in. This will allow for disassembly if it needs to be moved.
Reply:Originally Posted by slimneverdiesI like the way this is going. What do you mean by a solid foot?
Reply:Originally Posted by MinnesotaDaveHe means instead of splitting the bottom tube (like in your picture) it should be a solid piece.Dave J.
Reply:A receiver welded to the foot and heavily gusseted with square tube (not those tiny gussets shown) will stabilize the vertical posts.Edit: (Your recent post shows improved gussets.)Last edited by ezduzit; 05-09-2013 at 12:46 PM.
Reply:be careful when you go to weld the vertical tube to the horizontal tube as it will want to bow up and then it will not sit flat on the floor.ignore the 1/4" dimension- this was from a different example but you get the idea.Ed Conleyhttp://www.screamingbroccoli.com/MM252MM211 (Sold)Passport Plus & Spool gunLincoln SP135 Plus- (Gone to a good home)Klutch 120v Plasma cutterSO 2020 benderBeer in the fridge
Reply:Originally Posted by ezduzitA receiver welded to the foot and heavily gusseted with square tube (not those tiny gussets shown) will stabilize the vertical posts.Edit: (Your recent post shows improved gussets.)
Reply:Originally Posted by slimneverdiesThe gussets are 1/4'' and 8x6'' and the 10'' in height square tube is 3/16''. I can add like three to each side of the uprights. Will that suffice rather than me buying some more square tubing?So welding this upright can acutally bend the square 3/16'' horizontal piece?  I plan on welding hot as possible for this one. Do I need to jump around on the welds too so I can spread the haz or can I go straight in?
Reply:Originally Posted by Broccoli1Yup- do a trial run on some scrap and see how much it moves.The problem is that you can't jump around since the all the weld deposit is on top of the Horizontal tube where the Vertical tube meets up with it.Maybe some one with more experience than me can comment on this but I would tack it all with the 45˚ braces in place and weld those first so that it keeps the Horizontal tube from wanting to pull up.
Reply:Ok guys, I think that makes a lot of sense. Its crazy to think that welding that upright onto the flat square as thick as is it is could possibly pullo/warp. I figured with a flat plate it would but not with square. I have to stop underestimating the power of heatThanks again fellas
Reply:Originally Posted by slimneverdiesOk guys, I think that makes a lot of sense. Its crazy to think that welding that upright onto the flat square as thick as is it is could possibly pullo/warp. I figured with a flat plate it would but not with square. I have to stop underestimating the power of heatThanks again fellas
Reply:Originally Posted by BD1If you weld parallel with the bottom for the upright you will be fine. Don't weld all around the upright. The tube gussets will give enough strength. When welding gussets weld the vertical up on upright and  horizontal again on the bottom , there should not be and pulling.
Reply:You will be fine with just the one large one in the middle. The others will just be wasted time.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:Originally Posted by ThorsHammerYou will be fine with just the one large one in the middle. The others will just be wasted time.
Reply:Doing what you show in the last picture of post 6 will be fine. No sense buying more metal.  I had to goggle what you are making. COOL ! You a strongman kinda guy ???  [ Oh, I  just read your profile.]I prefer to move a lever that has hydraulics connect to it.  Here's what I found. Great pictures.\http://www.bing.com/images/search?q=...yoke&FORM=IGRE
Reply:Originally Posted by BD1Doing what you show in the last picture of post 6 will be fine. No sense buying more metal.  I had to goggle what you are making. COOL ! You a strongman kinda guy ???  [ Oh, I  just read your profile.]I prefer to move a lever that has hydraulics connect to it.  Here's what I found. Great pictures.\http://www.bing.com/images/search?q=...yoke&FORM=IGRE
Reply:OK, WHERE DO I SIGN UP ???????????????????????       Are ''old guys invited'' ????????????   Is that you ???   Looks like to have a hand  le   on things !!! Intoxication   is AWESOME!!!!!Last edited by BD1; 05-09-2013 at 07:17 PM.
Reply:"every once in awhile they need my help getting on"And getting "off" as well?
Reply:Originally Posted by walkerweld"every once in awhile they need my help getting on"and getting "off" as well?
Reply:Yeah that's me. I've owned this mechanical bull business for 10 years now. It's mostly fun for everyone else but me. Sometimes lolOne more question. How important is the bolts that go thru the uprights? I think I got a little lazy and the holes are about 3/16" misaligned from right to left. It's been a real job trying to line these holes up on everything
Reply:I'd just line bore them, in place. You could always go up a size on the fastener if the holes get too far off.
Reply:Originally Posted by ezduzitI'd just line bore them, in place. You could always go up a size on the fastener if the holes get too far off.
Reply:With a heavy duty drill motor, in place. You'd just be chasing the pre-drilled holes, so you can easily get the bolt through.Originally Posted by ThorsHammerBINGO!Tack, than weld the gussets first and it will minmize the warping.If you still get warping you can always bevel the ends of the "feet" and ad leveling bolts.
Reply:You could straighten them in a hydraulic press.
Reply:Originally Posted by ezduzitYou could straighten them in a hydraulic press.
Reply:Just curious, were the pieces flat to begin with or did they have a slight arc to them ?  I'm surprised that it pulled. Normally welding with the run as you did there should be almost no pulling.  I would weld the outside of the vertical tube to the horizontal next . Just tack all pieces prior to welding.
Reply:Originally Posted by BD1Just curious, were the pieces flat to begin with or did they have a slight arc to them ?  I'm surprised that it pulled. Normally welding with the run as you did there should be almost no pulling.  I would weld the outside of the vertical tube to the horizontal next . Just tack all pieces prior to welding.
Reply:We had a banned bundle of tubing in shop. Cut bands and started to layout pieces for cutting.  Some did have a arc to them. As experience increases, you look at it and roll, rotate, or turn so it works to your advantage.     If you want to check yours,  take two 2' framing squares and set them facing each other so the upright of each square touch each other. If they don't touch you will see which way it moved and how much in 2 feet.
Reply:Originally Posted by BD1We had a banned bundle of tubing in shop. Cut bands and started to layout pieces for cutting.  Some did have a arc to them. As experience increases, you look at it and roll, rotate, or turn so it works to your advantage.     If you want to check yours,  take two 2' framing squares and set them facing each other so the upright of each square touch each other. If they don't touch you will see which way it moved and how much in 2 feet.
Reply:post 18 i cant account for enough fingers...
Reply:Originally Posted by weldbeadpost 18 i cant account for enough fingers...
Reply:Originally Posted by slimneverdiesThis is probably why I cant concentrate on welding..
Reply:Well guys, I'm back to ask a similar question. I know I'm being cheap and I could easily just go but some bigger metal to make bigger gussets but ill ask anyway. I need to make some spotter arms for the same project and need to know if my gussets are ample enough in size. Everything is a 1/4" thick. The arm is 24" and the gussets measure 7 x 7.5x 6.5" trapezoid shaped. This top pic shows the gusset not cut yet but after its cut into the trapezoid ill be put inside the 90 degree angleSo there will be a gusset on each side...Last edited by slimneverdies; 06-06-2013 at 04:18 PM.
Reply:Plenty good.
Reply:Originally Posted by ezduzitPlenty good.
Reply:Maybe I'm just a little paranoid but could someone show me the math on how much weight this piece can support? When it's all said and done the entire piece is 1/4" except for the one inch solid pipe that will be cut to 4" long and supporting the entire piece to the yoke.
Reply:static vertical load? more than you can put on it. by hand. Shock load, depends on where it hits. Directly on the tubing or gussets you will be fine. On the overhang... will there be any sort of saddle come off of it? Still again more than you'd be able to lift. even if you're the govenator in his prime. Most commercial racks I've delt with didn't use anything thicker than 1/8" and the spotter blocks were more of the same with tubing no more than 1/8" thick. and that was for Olympic squat racks and everything.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:What I want to know is how the trailer build for the bull worked out.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:double post, please delete.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:Originally Posted by ThorsHammerstatic vertical load? more than you can put on it. by hand. Shock load, depends on where it hits. Directly on the tubing or gussets you will be fine. On the overhang... will there be any sort of saddle come off of it? Still again more than you'd be able to lift. even if you're the govenator in his prime. Most commercial racks I've delt with didn't use anything thicker than 1/8" and the spotter blocks were more of the same with tubing no more than 1/8" thick. and that was for Olympic squat racks and everything.
Reply:Originally Posted by ThorsHammerWhat I want to know is how the trailer build for the bull worked out.
Reply:it happens. I'd just make a walking beam trailer for the ATV for when you play with the ATV.There are no problems. There are only solutions. It's your duty to determine the right one.Hobart Handler 210Airco 225 Amp MSM Stinger
Reply:Originally Posted by ThorsHammerit happens. I'd just make a walking beam trailer for the ATV for when you play with the ATV.