Snatch Block Pulley for Chain

[RTR]

Do they make a snatch block for use with 5/16” or 3/8” logging chain?? I have a chain with me always for loading and pulling stuff and never carry a wire rope like most snatch blocks are used with. Pictured is a wire rope style block

 

[SkipperII]

I have done a fair amount of rigging, and have neve seen such a critter. If you can find an old chair fall hoist, you might be able to repurpose the lower block pulley.

 

[RTR]

I have done a fair amount of rigging, and have neve seen such a critter. If you can find an old chair fall hoist, you might be able to repurpose the lower block pulley.

Any reason as to why?? That is 99% what is used in recovery and tieing equipment down unless you have a winch which a lot of people don’t.

 

[rustred]

Do they make a snatch block for use with 5/16” or 3/8” logging chain?? I have a chain with me always for loading and pulling stuff and never carry a wire rope like most snatch blocks are used with. Pictured is a wire rope style block

A 5/16 chain will work on a snatch block no problem.

 

[Texgasser1]

Do they make a snatch block for use with 5/16” or 3/8” logging chain?? I have a chain with me always for loading and pulling stuff and never carry a wire rope like most snatch blocks are used with. Pictured is a wire rope style block

Never seen one, what about taking apart a chain hoist and using something from that. There is also a come-a-long.

 

[MM-TX]

With chain when it twists too far it will jump track and bind up.

 

[rustred]

With chain when it twists too far it will jump track and bind up.

Yes,?thats why just use the standard snatch block. The pulley is plenty wide for a chain. I carry a snatch block in my trailer tool box if I need one.

 

[RTR]

Never seen one, what about taking apart a chain hoist and using something from that. There is also a come-a-long.

Yes but I’m wanting to use it as a support pulley when trying to make something turn that I’m loading ,or rigging it up to help pull a heavy load of steel off a trailer a piece at a time. (Unloading myself in my neighborhood backyard)

 

[RTR]

Unfortunately I have a long 3/8 chain ; no 5/16 chain

 

[Mule Meat]

Never seen one, what about taking apart a chain hoist and using something from that. There is also a come-a-long.

Chain used on hoist and come-a-longs has a different profile than "log chain" used for pulling or binding. Most better quality hoist and come-a-long chain are more square shaped than oval.

 

[boler76]

Unfortunately I have a long 3/8 chain ; no 5/16 chain

there is nothing wrong with using any snatch block you can get with chain ;;as long as the chain will fit in the pulley

 

[Tony in SD]

Sherman-reilly makes snatch blocks that our linemen use. This one has a 5000 lb capacity. They have other snatches that may better serve your specific needs.

XL-100 Universal Conductor Stringing Block

Sherman+Reilly introduces the new XL-100 Universal Conductor Stringing Block, ready to handle a maximum working load up to 5,000 lbs.

www.sherman-reilly.com

 

[Jim.ME]

Chain generally is not used for such as the links can catch on the frame of a sheave (pulley) block, The links will have high point loads where they contact a smooth sheave (I have seen pieces broken from aluminum/alloy sheave that had chain used in them), and chain failures are often an unforeseen break. Cable is smooth and won't catch the frame, load is spread onto the sheave more evenly and while failure can be immediate with severe overload, generally broken wires start appearing first.

That said if you want to use a block the chain needs to pass through it without catching the frame. Blocks, like the ones used on chain falls and com-a-longs, have pulleys designed to fit given lifting grade chains (links of these can vary with the manufacturer), off the shelf chains seldom fit them properly and twisting in a long run of chain can cause the links not to track on the sheave.

 

[DoubleO7]

Look for "pocketed chain sheave"

One source is David Round Co.

Load Wheel Sheaves with Machining Options | David Round

As a leading supplier of sheaves & lifting chains, David Round's Load Wheel Sheaves are used to lift process equipment. Capacities from 900 lbs to 10,080 lb

www.davidround.com

In a past job we used them to lift furnace doors , the shaft was 1.5 inch dia. and we used common 1/2 inch link chain.
But they were custom cast iron with our requirements by the above company.

 

[Janicholson]

Do they make a snatch block for use with 5/16” or 3/8” logging chain?? I have a chain with me always for loading and pulling stuff and never carry a wire rope like most snatch blocks are used with. Pictured is a wire rope style block

Link chain Pulleys. They are out there, but might take time.
This is an example. Jim

 

[rustred]

I have this 6 inch 8 ton mckissick snatch block and yes it will accept 3/8 chain. I posted this in another forum my mistake.

 

[Texgasser1]

I have this 6 inch 8 ton mckissick snatch block and yes it will accept 3/8 chain. I posted this in another forum my mistake.

What grade chain do you match to the pulley?

 

[rustred]

That set up is for demonstration purposes to show you can use a chain on these snatch blocks. It’s a piece of high grade chain. I use cable , but saying you don’t need anything special when ur in a bind. You can always make up yourself a length of cable to use when u need it.

 

[Jim.ME]

What grade chain do you match to the pulley?

Pretty hard to match any grade of chain to a wire rope sheave. Just a case of using what you have, even if it isn't right.

A couple shorter chains with the right size cable running in the snatch block would be much better

 

[BarnyardEngineering]

What grade chain do you match to the pulley?

Am I missing something? Why would grade matter? 5/16" chain is 5/16" chain. G43, 70, 80, 100... still the same size.