2011年8月12日 · once upon a time i made a 4x4 wood a frame to use with chain hoist to unload my 1800 lb nardini lathe from back of pickup. worked marvelously. it was simply 4pcs of 12' 4"x4" with 5/8" all-thread through the ends & splayed like a teepee. with chain hoist on rod...

2014年8月16日 · I am looking for a few different machines for my shop, but my holdup is a way to get them off a trailer once here. So my plan is to build an A frame type hoist to be able to back the trailer under it, and lift the machine off it. So I am looking for suggestions on the build. Max machine weight would be 7 tons.

2007年11月19日 · Out 2 post is on a bottom frame made of 2 inch solid square steel forming large h, many bolts into floor. You need foundation that will not allow movement. A structure on top of the steel may work but that really requires a real engineer if you wish to live long. Only i

2006年5月25日 · A few details: Power is typically a 12 volt winch for the main hoist on small jibs. If you want to get fancy, you can arrange for the jib boom to riase/lower using a hydraulic cylinder, similar to an engine hoist. On a small jib, if you do add a boom lift, you could use an engine hoist type cylinder and manual jack pump.

2023年2月20日 · Wanting to build a gantry crane for my Dad and me to use in the barn. Likely will not be used for anything above 1-ton capacity as our hoist is a 1-ton. Planning to build it to 2-ton capacity due to only a slight increase in the price of a beam and …

2011年4月12日 · Anyone have plans for a temporary hoist frame stout enough to lift a Bridgeport I off a flatbed landscaping trailer?

2020年8月10日 · Hi. I just joined and am looking for help/advice on building a fixed gantry for my shed. I have access to a 5" x 10" x 12' long I-beam, 28lbs/ft, and a 25' pipe which is 5.5" OD and .362 wall. First, is the pipe suited to support what I am doing, assuming I …

2024年1月11日 · Greetings. I installed an I-beam across one bay of my garage, supported by 6x6 old growth oak beams. The garage is 79+ years old. I would like to install an I-beam in a larger bay, but in line with the bay so I could lift items off a trailer or pickup near the bay door and move them in via the chain hoist on rollers.

2014年10月19日 · 1"x 18" base plate anchored to the 30" x 30" footing (poured with the hoist in mind when building was built) . 4 x 8 angle anchored thru lower sill, 2 x 6 studs sandwiched with 4" channel and same 4 x 8 angle welded on top then bolted thru top plate.Top of mast bolted to the top angle iron in 4 places.

2009年10月13日 · The OPs crane can work,but will need hydraulic outriggers capable of levelling the truck.It wont be ideal ,because of the long boom,will be tricky to operate.If the OP has driven old pin boom P&H s with 150 foot of stick,he will have no trouble,cause he will know what not to do,instinctively....I have an old truck with an Atlas crane,capacity 8 ton metre,which isnt …