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Thread: Best type of pulley for hoist
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27th December 2022, 10:37 PM #1GOLD MEMBER
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Best type of pulley for hoist
I bought an electric winch/hoist and set it up on a wall with some 5mm 7x7 galvanised wire rope from bunnings and this swivel pulley off a C channel joist on my shed roof over my work bench to lift heavy things
Zenith 64mm Zinc Plated Swivel Pulley - Bunnings Australia
I find that this pulley/swivel block is getting chewed up by the wire rope - the metal wheel in it must be pretty soft metal or the coating on it is no good - flakes of metal end up on my work bench.
Can anyone suggest a better swivel block? When most of what I find online is only suitable for rope (not steel rope).
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27th December 2022, 10:45 PM #2
This sort should be a fair bit better.
Manan 10 Ton Snatch Block Winch Recovery Rope Pulley Hoist 4WD Off Road Recover | eBay
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27th December 2022, 10:59 PM #3
Keep the pulley and replace the rope sheave with with a proper wire rope sheave or buy a sheave and make you’re own pulley block, can be very hard to buy lifting blocks in the smaller sizes that are suit for wire rope.
Cheers
DJ
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27th December 2022, 11:05 PM #4GOLD MEMBER
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Hmmm 4WD recovery... might be easier to go down to my local SCA and pick this up:
Ridge Ryder Heavy Duty Snatch Block 8000kg | Supercheap Auto
It doesnt swivel though.... maybe I can use something like this?
Taskmaster 6mm 316 Stainless Steel Swivel - Bunnings Australia
Any ideas on how to attach it to the C channel on my roof?
In regards to the second pulley, it has a swivel but the wheel looks painted - you think the pain will chip off? My worry is that it comes off and contaminates any finish I apply to the work piece
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28th December 2022, 08:27 AM #5SENIOR MEMBER
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You could try a marine/yachting shop. They sell blocks designed for wire rope.
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28th December 2022, 12:39 PM #6
I wouldn't be relying on that swivel from Bunnings to support any reasonable weight or impact. You'd be better off with a proper hammer lock swivel designed for lifting.
STAINLESS STEEL SWIVEL TO SUIT HAMMERLOCK
The Ridge Ryder snatch block that you have linked to (or similar) would handle the job easily - I have one in my 4WD recovery kit and it pulls Toyotas out all the time.
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28th December 2022, 02:46 PM #7GOLD MEMBER
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How would I connect that swivel to the snatch block? I would need to use a D ring right? Any idea where to buy these hammerlock swivels?
I cant believe how hard it is find to swivel pulley where the top of it is a hole to bolt onto a structure horizontally like the one I got from bunnings, most of them are loops which require a d ring or something else similar
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29th December 2022, 02:17 AM #8GOLD MEMBER
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Try adding swivel and wire, wire rope, cable to your search of sheaves, snatch blocks and pulleys. Domestic will be more than import.
Snatch Block – Eye/Wire - The Rigging Shed
Snatch Block with Shackle Head | Austlift
Sheave Blocks - LiftQuip Australia
sheaves-pulleys-snatch-blocks
Sheave Blocks & Sheaves - SuperLift Industrial Lifting Equipment
Pete
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29th December 2022, 01:20 PM #9
Just use another hammer lock (the yellow bit).
Depending on if you want to be able to remove the pulley / block when not in use, I would actually use a "D" shackle in the top of the swivel to attach it to your ceiling beam (making the entire assembly easily removable) with a hammer lock connecting the swivel to the pulley / block.
Once you have assembled a hammer lock and hit the pin home, you don't want to be disassembling it. it can be done, but a bugger of a job.
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29th December 2022, 04:54 PM #10
I am surprised that you are complaining, qwertyu. There is a big clue in the brand name that you bought a crap product.
Sheaves to handle wire rope must be closely matched to the diameter of the rope as well as being made from an appropriate material. The "channel" is much more rounded than those designed for rope.
But why do you want to use steel wire? Modern ropes are commonly stronger than steel and much easier and safer to handle. Popular fibres are kevlar, vectran, spectra and dyneema. The "channel" in the sheave for these lines has a flatter bottom.
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