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Author Topic: Need some outside-the-box help on a DIY gantry crane  (Read 1267 times)

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Offline metroplexchl

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Need some outside-the-box help on a DIY gantry crane
« on: February 13, 2018, 10:56:11 PM »
So I'm building a post and beam workshop. The beams are too heavy to constantly lift anymore for my old butt, so I'm building a gantry crane out of a couple 6"x6" posts and the top gantry beam will be a ten foot long 4" steel pipe that I have in my scrap pile.  The beams I'm lifting are around 200lbs, so not too much weight.

But I'm trying to find a sort of I-beam trolley that can run along the pipe horizontally so that I can move the heavy beam into position once I raise it with my chain hoist. Sort of like like the one in the link below but I can't find one that runs along a round pipe.

Anyone have any ideas that I can build or buy? I'm open to anything!

Amazon.com: Jervis Webb Beam Trolley With Side Guide Rollers. Industrial Grade 500 Pound Capacity. Conveyor Trolley For I-Beams.: Home Improvement


Offline Stuart Caruk

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #1 on: February 14, 2018, 01:35:13 AM »
Google Round Pipe Trolley... loads of options. Like a wide beam trolley that's longer and been overloaded...
Stuart Caruk
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Offline sprucebunny

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #2 on: February 14, 2018, 06:59:10 AM »
First thing that came to mind... the rollers that a boat trailer has. Hard rubber, often with a metal insert in the center.

They come different sizes and shapes.You'd probably want a bow roller.
MS193, MS192 and an 026  Weeding and Thinning. Gilbert Champion sawmill

Offline Wudman

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #3 on: February 14, 2018, 12:02:18 PM »
Backyard engineering is one of my specialties.....how about the front wheel off a lawnmower?

Wudman

Offline Hilltop366

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #4 on: February 14, 2018, 12:37:22 PM »
I have seen a light duty overhead trolly made from sliding barn door track and a couple of door hangers connected to a short beam to spread the load.

Offline Holmes

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #5 on: February 14, 2018, 07:56:04 PM »
Look up" The Stump Ranch "on this site .  He did a lot of lifting with pulleys, logs, gin poles.
Think like a farmer.

Offline metroplexchl

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #6 on: February 17, 2018, 10:50:32 PM »
Backyard engineering is one of my specialties.....how about the front wheel off a lawnmower?

Wudman

I thought about that or a good couple of casters I have laying around, but how would I use them to make a pipe trolley?

Offline metroplexchl

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #7 on: February 17, 2018, 11:14:02 PM »
Google Round Pipe Trolley... loads of options. Like a wide beam trolley that's longer and been overloaded...

I'm not having much luck with the search actually....I've searched round pipe trolley and overhead pipe trolley, and not really coming up with much other than small rollers that look like they're for shower curtains or small light weight things.

Any thoughts?

Offline Stuart Caruk

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #8 on: February 18, 2018, 03:21:53 AM »
Look for something like this...

Pipe Trolleys

tyr google images, lots of good ideas. Pretty simple device to make with a welder and a torch.
Stuart Caruk
Wood-Mizer LX450 Diesel w/ debarker and home brewed extension, live log deck and outfeed rolls. Woodmizer twin blade edger, Barko 450 log loader, Clark 666 Grapple Skidder w/ 200' of mainline. Bobcats and forklifts.

Offline Wudman

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #9 on: February 18, 2018, 12:26:29 PM »
Backyard engineering is one of my specialties.....how about the front wheel off a lawnmower?

Wudman

I thought about that or a good couple of casters I have laying around, but how would I use them to make a pipe trolley?
Stick an axle through the wheel.  Let the wheel itself run on top of your pipe.  Either put a bracket or loop of chain from each end of the axle and lift from that.  It should be able to handle a couple hundred pounds without any problem.

Wudman

Offline metroplexchl

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #10 on: February 19, 2018, 09:51:26 PM »
I also thought about getting a hay barn beam trolley and using that on a pipe or 4"x4" beam. i wonder, though, if it could handle 200-300 lbs? Like the one pictured Hay barn beam trolley.

Offline mike_belben

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Re: Need some outside-the-box help on a DIY gantry crane
« Reply #11 on: February 25, 2018, 09:31:08 AM »
A pair of harbor freight wheelbarrow rims with no tire.  Then a doubled up plywood triangle sandwich to mount the clevis.  Or steel if you got it.  Threaded rod be cheapest clamping hardware. Just be careful.
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