MadModder
Gallery, Projects and General => The Design Shop => Topic started by: Will_D on March 10, 2017, 06:18:31 PM
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This is primarily aimed at the farmers here!!
I have a nice green Deutz tractor (with soft turf tires for use in the rugby club).
It has a full 3 point linkage for the various attachments - Ok no problermo
So my wacky MM idea is:
How to design a structure that mounts on the 3 point and probably the main hitch that could user the movement of the 3 point lifting arms to create a crane effect?
Would be nice to vary lift reach and lifting capacity with a set of holes.
Yes it has hydraulics but now we expensive!!
I really want a set of articulated levers that will transition the 3 point lift to a say 2,3,4 times lift!
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Probably not a solution to your issue, but in looking at linkages myself recently I came across this neat video that might provide some inspiration.
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Hi, Google 'Ferguson Crane' and you will find many pictures of what you have in mind.
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Rugby must be a pretty rough sport if tractors are allowed :doh:
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There are two designs that I've seen. The first is a simple gallows shape with the lift entirely provided by lifting the linkage arms. The second is essentially a conventional engine crane mounted on the three point linkage with the hydraulic cylinder operated off a spool valve on the tractor rather than a hand operated pump.
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Rugby must be a pretty rough sport if tractors are allowed :doh:
Only for removing the dead.
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I am not sure whether it will help, but this free software programme is good for designing and testing linkages, such as a crane. It also has several examples. I am using it to draw up some linkages for a rolling-ball clock.
http://blog.rectorsquid.com/new-linkage-3-4/ (http://blog.rectorsquid.com/new-linkage-3-4/)
Regards,
James.
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Here are the two designs that I mentioned
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Many thanks guys.
Must get scratching out a design in Fusion 360
Having just planted 36 apple trees in the club grounds I think a 3 point, PTO powered apple planter should be next!!
If all my grafts take then its 60 apples and perry pears next year.
PS: Anyone on here make Perry?