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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
Hi Folks,
I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. I also need to be able to extend the end of the track out of the van roughly 36" to 42". The trolley for the hoist will need to travel the entire length of the track or rather from the drivers side clear out the passenger side door. So far I figure I either need to use nesting tube steel/aluminum with a "C" cross section in order to have a trolley inside the inner tube, the outer tube mounted to the van. Or I need to hang a trolley on an "I" beam that is hanging from another "I" beam. Any other ideas or specs on wall thickness, tube size, beam size would be most welcome. Thanks! C |
#2
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
On Aug 10, 6:43*am, "croq" wrote:
Hi Folks, I have a need to build a track for a cable hoist that will extend out of the side opening of a van. *... C http://www.bruno.com/ Installation is fairly easy as long as you can find or make a strong attachment point. Jim Wilkins |
#3
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
You can nest (telescope) two pieces of square tubing, as is done in,
for example, a Harbor Freight "shop crane" aka "engine hoist". Drill some holes for a holding pin. Add a wider flat on the bottom of both parts so that you can have a trolley. In the case of those flats, obviously, you would need to remove and insert the thinner tube with every use, instead of telescoping. In most cases, a winch and a set of ramps would work well also. i on 2008-08-10, croq wrote: Hi Folks, I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. I also need to be able to extend the end of the track out of the van roughly 36" to 42". The trolley for the hoist will need to travel the entire length of the track or rather from the drivers side clear out the passenger side door. So far I figure I either need to use nesting tube steel/aluminum with a "C" cross section in order to have a trolley inside the inner tube, the outer tube mounted to the van. Or I need to hang a trolley on an "I" beam that is hanging from another "I" beam. Any other ideas or specs on wall thickness, tube size, beam size would be most welcome. Thanks! C |
#4
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
"Ignoramus6985" wrote in message ... You can nest (telescope) two pieces of square tubing, as is done in, for example, a Harbor Freight "shop crane" aka "engine hoist". Drill some holes for a holding pin. Add a wider flat on the bottom of both parts so that you can have a trolley. In the case of those flats, obviously, you would need to remove and insert the thinner tube with every use, instead of telescoping. In most cases, a winch and a set of ramps would work well also. i I need to avoid a possible drop hazard so it must remain a unit. The addition of a flat may come in handy as far as support for the cantilevered piece. Thanks C |
#5
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
"croq" wrote: I have a need to build a track for a cable hoist that will extend out of the side opening of a van. (clip) ^^^^^^^^^^^^^^^^^^^^ You will also need a vertical support outside the van--otherwise, the weight will make the van lean to that side. Such a support could be hinged to the end of the track, or simply placed by hand each time the crane is used. It could be as simple as a 2 x 4 and a scissor jack. It will also allow you to use a lighter beam for the track, since you won't be using a cantilever. |
#6
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
"Leo Lichtman" wrote in message ... "croq" wrote: I have a need to build a track for a cable hoist that will extend out of the side opening of a van. (clip) ^^^^^^^^^^^^^^^^^^^^ You will also need a vertical support outside the van--otherwise, the weight will make the van lean to that side. Such a support could be hinged to the end of the track, or simply placed by hand each time the crane is used. It could be as simple as a 2 x 4 and a scissor jack. It will also allow you to use a lighter beam for the track, since you won't be using a cantilever. Thanks Leo, I can not have a support leg outside the van. I can imagine a little lean but nothing unsafe for a full size GMC Savannah or Ford E350. 400 pounds is the outside maximum capacity this will ever see and odds are it will never be over 200. Thanks again C |
#7
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Telescopic track for hoist?
"croq" wrote: (clip) I can imagine a little lean but nothing unsafe for a full size GMC Savannah or Ford E350. (clip) ^^^^^^^^^^^^^^^^^^^^^^^ I wasn't thinking of safety. I was thinking of a way to make the construction lighter. But, you also need to consider that whatever lean there is will make your extended track slope. You will have to plan on that when you are moving your sister in her wheelchair into and out of the van. (Not being critical--trying to be helpful.) |
#8
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
"Leo Lichtman" wrote in message ... "croq" wrote: (clip) I can imagine a little lean but nothing unsafe for a full size GMC Savannah or Ford E350. (clip) ^^^^^^^^^^^^^^^^^^^^^^^ I wasn't thinking of safety. I was thinking of a way to make the construction lighter. But, you also need to consider that whatever lean there is will make your extended track slope. You will have to plan on that when you are moving your sister in her wheelchair into and out of the van. (Not being critical--trying to be helpful.) Thanks Leo, I appreciate the help! I have to admit I knew I would have to watch where I parked because of the tilt on the beam but it did not occur to me her weight could cause the same problem. Tis why I like this group, all the holes in an idea are soon found. As Larry had pointed out a damper would be necessary, I thought a power extend/retract feature would be a great option. After caring for her for 35 years I'm getting a little old and slow to keep throwing my body between her and whatever harm is waiting to surprise us. I need to start doing that work smarter verses harder idea I keep reading about. C |
#9
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
On Mon, 11 Aug 2008 18:40:07 -0500, with neither quill nor qualm,
"croq" quickly quoth: "Leo Lichtman" wrote in message ... "croq" wrote: (clip) I can imagine a little lean but nothing unsafe for a full size GMC Savannah or Ford E350. (clip) ^^^^^^^^^^^^^^^^^^^^^^^ I wasn't thinking of safety. I was thinking of a way to make the construction lighter. But, you also need to consider that whatever lean there is will make your extended track slope. You will have to plan on that when you are moving your sister in her wheelchair into and out of the van. (Not being critical--trying to be helpful.) Thanks Leo, I appreciate the help! I have to admit I knew I would have to watch where I parked because of the tilt on the beam but it did not occur to me her weight could cause the same problem. Tis why I like this group, all the holes in an idea are soon found. As Larry had pointed out a damper would be necessary, I thought a power extend/retract feature would be a great option. Yes, power movement is a great idea. It would overcome any tilt problem, allowing you to pick her up from any angle. Have you figured out a 4-point people-harness for her? You could set it open in her wheelchair and drop her on it, then use it to lift her into and out of the vehicle as needed. One other potential problem is between a homemade medical lift and your insurance company. After caring for her for 35 years I'm getting a little old and slow to keep throwing my body between her and whatever harm is waiting to surprise us. I need to start doing that work smarter verses harder idea I keep reading about. Definitely. It could save you an injury which would prevent you from being able to care for her, too. You sound like much too good a sibling to want that. Which automotive seat will you be using? BTW, please keep us informed. This is an interesting thread! -- Pain makes man think. Thought makes man wise. Wisdom makes life endurable. -- John Patrick |
#10
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
In article ,
"croq" wrote: I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. IIRC there are some drawer slides that can handle heavy loads Free men own guns - www(dot)geocities(dot)com/CapitolHill/5357/ |
#11
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
"nick hull" wrote in message .. . In article , "croq" wrote: I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. IIRC there are some drawer slides that can handle heavy loads Free men own guns - www(dot)geocities(dot)com/CapitolHill/5357/ Thanks Nick I'll check into those. C |
#12
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
"croq" wrote in message
... Hi Folks, I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. I also need to be able to extend the end of the track out of the van roughly 36" to 42". The trolley for the hoist will need to travel the entire length of the track or rather from the drivers side clear out the passenger side door. So far I figure I either need to use nesting tube steel/aluminum with a "C" cross section in order to have a trolley inside the inner tube, the outer tube mounted to the van. Or I need to hang a trolley on an "I" beam that is hanging from another "I" beam. Any other ideas or specs on wall thickness, tube size, beam size would be most welcome. ATM removal tool? |
#13
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
Bob La Londe wrote:
"croq" wrote in message ... Hi Folks, I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. I also need to be able to extend the end of the track out of the van roughly 36" to 42". The trolley for the hoist will need to travel the entire length of the track or rather from the drivers side clear out the passenger side door. So far I figure I either need to use nesting tube steel/aluminum with a "C" cross section in order to have a trolley inside the inner tube, the outer tube mounted to the van. Or I need to hang a trolley on an "I" beam that is hanging from another "I" beam. Any other ideas or specs on wall thickness, tube size, beam size would be most welcome. ATM removal tool? You mean one of these? http://www.publiquip.com/photo/JCB-3CX-Backhoe-K.jpg Chris |
#14
Posted to rec.crafts.metalworking
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Telescopic track for hoist?
"Bob La Londe" wrote in message ... "croq" wrote in message ... Hi Folks, I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. I also need to be able to extend the end of the track out of the van roughly 36" to 42". The trolley for the hoist will need to travel the entire length of the track or rather from the drivers side clear out the passenger side door. So far I figure I either need to use nesting tube steel/aluminum with a "C" cross section in order to have a trolley inside the inner tube, the outer tube mounted to the van. Or I need to hang a trolley on an "I" beam that is hanging from another "I" beam. Any other ideas or specs on wall thickness, tube size, beam size would be most welcome. ATM removal tool? Had not thought of alternative uses at this point Bob however I like the idea. Actually this device will be used to transfer my wheelchair bound sister. Ironically, she can not travel in the wheelchair. C |
#15
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Telescopic track for hoist?
On Mon, 11 Aug 2008 00:15:04 -0500, with neither quill nor qualm,
"croq" quickly quoth: "Bob La Londe" wrote in message ... "croq" wrote in message ... Hi Folks, I have a need to build a track for a cable hoist that will extend out of the side opening of a van. I'm wondering if anyone might have a lead on such a contraption or advice on how to accomplish this feat. I need to keep as much headroom as possible so I have approximately 4 inches in height to work with. Maximum weight capacity would be 400 lbs. I also need to be able to extend the end of the track out of the van roughly 36" to 42". The trolley for the hoist will need to travel the entire length of the track or rather from the drivers side clear out the passenger side door. So far I figure I either need to use nesting tube steel/aluminum with a "C" cross section in order to have a trolley inside the inner tube, the outer tube mounted to the van. Or I need to hang a trolley on an "I" beam that is hanging from another "I" beam. Any other ideas or specs on wall thickness, tube size, beam size would be most welcome. ATM removal tool? Had not thought of alternative uses at this point Bob however I like the idea. Actually this device will be used to transfer my wheelchair bound sister. Ironically, she can not travel in the wheelchair. I can hear your sister now..."What's all this grease on the floor and greasy fingerprints all over my lift, hmmm?" g See www.Accuride.com for their #9301 slides. You'll likely need some sort of damper for them, either air or hydraulic, for safety. They're $160-$350 a pair, depending on size and where you buy them. Shop around. Will you be transferring her to a mobile bed in the van, or regular vehicular seats? -- Pain makes man think. Thought makes man wise. Wisdom makes life endurable. -- John Patrick |
#16
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Telescopic track for hoist?
"Larry Jaques" wrote in message ... On Mon, 11 Aug 2008 00:15:04 -0500, with neither quill nor qualm, "croq" quickly quoth: "Bob La Londe" wrote in message ... "croq" wrote in message ... Hi Folks, I have a need to build a track for a cable hoist that will extend out of the side opening of a van. Any other ideas or specs on wall thickness, tube size, beam size would be most welcome. ATM removal tool? Had not thought of alternative uses at this point Bob however I like the idea. Actually this device will be used to transfer my wheelchair bound sister. Ironically, she can not travel in the wheelchair. I can hear your sister now..."What's all this grease on the floor and greasy fingerprints all over my lift, hmmm?" g See www.Accuride.com for their #9301 slides. You'll likely need some sort of damper for them, either air or hydraulic, for safety. They're $160-$350 a pair, depending on size and where you buy them. Shop around. Will you be transferring her to a mobile bed in the van, or regular vehicular seats? Hey Larry, Unless I can find a safe way of strapping her into a bed we'll be transferring to an upgraded automotive reclining seat. C |
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