Electric Chain Hoist Question

[sbosecker]

I am thinking of acquiring an electric chain hoist. I'm looking at specifications for these things and I want to be sure that I understand what I am reading correctly.

"Chain Lift Length"

I am assuming that is the maximum distance the chain will retract after being fully extended from the hoist.

In other words, assuming a particular hoist had a 10 foot Chain Lift Length:

If this hoist were suspended from a beam with the chain raised to its upper limit and the hook on the end of the chain is 10 feet above the floor, when the hook is lowered as far is the hoist can lower it the hook would just touch the floor.

Is that the correct definition of "chain lift height"?

Scott

 

[sbosecker]

Here's a drawing to help you understand the various measurements better. From reading your description, you have the right idea in terms of the chain lift length.

Jeremy V,

Thanks! I've been around long enough to know that sometimes what sounds logical, isn't.

Glad to see that wasn't the case this time.

Best regards,

Scott

 

[tarmy]

View attachment 489458
Make sure you figure out where you hang it becuase if want to have it like this the trolley has to be thought about...might want to get a chain bag too.

Mine is on a track that is very handy for moving heavy stuff.

 

[bczygan]

I have a manual chain lift and the pulling chain is missing.

How do I figure what size chain it needs?

Bill

 

[sbosecker]

View attachment 489458
Make sure you figure out where you hang it becuase if want to have it like this the trolley has to be thought about...might want to get a chain bag too.

Mine is on a track that is very handy for moving heavy stuff.

tarmstrong,

Thanks. I plan to have my hoist on a trolley on a beam. The bottom of the beam should be around 14'-9" from the floor. I just acquired a 2-Ton Dayton 3YB87 Electric Chain Hoist which has a 15 foot chain lift. This model has about 20 inches minimum between hooks. When it's all said and done, from the floor to the lift hook as high as it can go will be between 12'- 13'.

Unless I'm missing something, I think this will work nicely for me.

Best regards,

Scott

 

[2oolhound]

I have a manual chain lift and the pulling chain is missing.

How do I figure what size chain it needs?

Bill

You need to measure the pockets in the drive gear and match some chain to fit exactly in the moulded pockets. Breaking strength won't be an issue because you can hang all your weight off some pretty flimsy chain. I'd take the whole thing into a supplier and try to find some chain that sits in the pockets properly. Then you need a continuous loop almost as long as the lift chain.

 

[BellyUpFish]

View attachment 489458
Make sure you figure out where you hang it becuase if want to have it like this the trolley has to be thought about...might want to get a chain bag too.

Mine is on a track that is very handy for moving heavy stuff.

What sort of reinforcement to the trusses did you do there?

 

[tarmy]

What sort of reinforcement to the trusses did you do there?

I had 32' span trusses. They have 12" deep bottom coords. I made a story board of the joists...transferred those to the top of my 20' beam. Then I welded verticle plates with two 1/2" holes so that they were 5 and 7 inches up on the truss coord...thus spreding the load about a foot apart on each truss. The trusses are 16' oc....so each truss has two holes...and there was almost 16 trusses. Then on every fourth truss...I attached a 4' long 3/8" plate...and I welded the verticle plate to those trusses...so on those they spread the load out alot further.

There is no creaking...no sag...
View attachment 524112
Basically I made as few penetrations into the trusses as possible, made sure the drilled holes were centered in the truss coord, strengthened some of the trusses....and spread the load...works great.