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tgneid 08-05-2013 03:28 PM

Installing an Electric Hoist in a garage
I just purchased an 880lb electric hoist from Harbor Freight. I want to use it to help me fold up a trailer that I also purchased from Harbor Freight. After installing a plywood floor on the trailer, it is too heavy for me to lift the front, i.e., tongue and front half of the trailer to a vertical position.

My two car garage is finished and there is sheetrock on the ceiling and walls. It is an older house (late 1960s) and there is a steel beam across the middle of the garage that runs from a chimney on the house side of the garage where it rests on cement blocks of the chimney to the outside wall on the other side. The joists are 2x6 on 16" center. With the steel beam there are no posts in the middle of the garage.

My thought is to drill a couple of holes in the steel beam to mount eye bolds or some other type of hanger so which I can attach a pipe or some type of steel to which I can mount the hoist. Does this make sense?

I saw in an older post that there was a discussion of mounting the hoist to the wooden joists or trusses but it seems to me that using the steel beam may be a safer way to go.

I am concerned about this being structurally sound as I don't want it to fall during use or create problems with the structure of the house. In addition, the hoist will sit above my wife's car and if it falls and damages her car, I am in big trouble.

Any thoughts, comments or ideas will be appreciated.

oh'mike 08-05-2013 07:12 PM

Does this hoist weigh 880 pounds? or is that the lifting capability?

How big is the beam? Width depths and thickness of the bottom ?

I've hung some mighty heavy things using beam clamps and Uni-Strut---

firehawkmph 08-05-2013 08:52 PM

2 Attachment(s)
Oh' Mike,
I think he's talking about these two items below. Winch is like a atv winch. Trailer is 4 x 8, made to take a sheet of plywood cut in half, and folds for storage. I would mount a piece of pipe like they show in the picture. You could probably use a small piece of 3/4" gaspipe with threads on both ends. Put a T fitting on both ends, drill a two holes in the web of the beam and bolt it through with hex head bolts, washers and lockwasher, etc. You're not going to be lifting that much weight.
Mike Hawkins:)

firehawkmph 08-05-2013 08:55 PM

The pics above came out bigger than on their site. Looking at the winch now, it looks like it has U-shaped mounting brackets on it. If they come off and you would have enough room to just drill two holes in the beam, bolt the brackets to the beam and then rebolt the bottom of the bracket to the winch, that might be simpler.
Mike Hawkins:)

oh'mike 08-05-2013 08:57 PM

You are spot on,Mike----That is a light weight unit---Harbor Freight has small gantry cranes that would use the beam as a track----

tgneid 08-06-2013 06:33 AM

The pictures are exactly right
FirehawkMPH, you are exactly correct with the pix you posted. Unfortunately, with the sheetrock on the ceiling I don't believe it will work to attach the two U shaped mounting brackets directly to the beam as I wouldn't be able to get the bolts in and tightened between the beam and the hoist with the sheetrock in the way and I don't want to cut a hole in the sheetrock other than for whatever I am going to use to hold the hoist. The hoist is rated to lift 880 lbs and the hoist itself weighs about 30-40 lbs.

Any other ideas for mounting. I am traveling at the moment so can't provide the specs on the beam until I get home the end of the week.

oh'mike 08-06-2013 06:40 AM

Go to the Uni-Strut section in a local store--usually near the electrical parts---look at the beam clamps----these are like cast iron C-clamps with threaded holes ---this is exactly what they are designed for---they clamp onto the bottom flange of the beam.

oh'mike 08-06-2013 06:42 AM

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