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Shop Table top crane

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G

Gennady

Super User
Hello gang.
I am getting into conditions when lifting heavy items is a real pain for my back. I was looking trough internet for some ideas and inspirations and there are few youtube folks that have build "sky hook crane". Tubalcane has several videos with great explanations of his ideas and considerations and I decided that I need something similar for the dividing head, vise, lathe chuck and other heavy items that I have. I browsed trough my pile of metal scrap and found few pieces that might be suitable for building table top crane without whole lot of manufacturing. Main objectives are simplicity, safety and use of what I might already have in hand.
Here are part that will be used: Car shock absorber, spring and spring plate removed, steel plate (brownish colour) that will be mounted on the mill table or lathe, boom (extra parts need to be cut off) . Still missing flange to affix shock absorber on plate, boom support, trailer winch. Any thoughts ?


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I’m interested to see where this is going, I too have heavy items on the mill table.

I’m not sure where the shock comes in unless it’s the boom swivel (clever) but while we’re at it I’m interested to know about the loading on the table slots.

If the crane is using them to mount it I’d want to do my homework on the loads to make sure the cast iron won’t be loaded too much in tension.

While we’re at it I might think about using a treadmill tilt jack to raise a boom to do the lifting. The tilt jacks are quoted between 500 & 1000 lb thrust so probably capable and even better, free!

D :cool:
 
You use the bottle jack to adjust the radius

What the heck are you going to use the shock for ?
 
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