Subject:
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Re: Scrapers
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Newsgroups:
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lugnet.technic
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Date:
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Mon, 12 Sep 2005 15:59:21 GMT
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Viewed:
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3758 times
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In lugnet.technic, Nathan Bell wrote:
> In lugnet.technic, Ross Crawford wrote:
> > In lugnet.technic, Nathan Bell wrote:
> > > Does anyone know where I can find some good pictures/diagrams on how scrapers
> > > work?
> >
> > I guess you can't really see the details in this pic:
> > http://www.brickshelf.com/gallery/RoscoHead/construction/Micro/lil_scraper.jpg
> > ;)
> >
> > There's a pretty good photo here:
> > http://www.machinerytrader.com/listings/forsale/detail.asp?OHID=4976697&guid=22213E5C0EAA44BFA5CD2834E223FD2A
> >
> > And some others probably too if you poke around that site. The tub is raised and
> > lowered using the vertical cylinders just behind the front wheels. Larger
> > scrapers generally have 2 engines these days, one at each end. And as Mark said,
> > most are generally engineered so as they can also be pushed by other equipment,
> > including other scrapers, very helpful especially in slippery conditions, as a
> > tracked vehicle pushing can get much more grip than a wheeled tractor.
> >
> > Unfortunately I don't know of any online diagrams, but it may be worth
> > contacting a John Deere agent for datasheets and information. I've found they're
> > usually happy to provide any info they have.
> >
> > ROSCO
>
> Thank you all for the pics. The one Rosco sent was the type I was looking for.
> There are 2 types that I can see. One has a hollow tub in the middle and
> collects the dirt. The other is basically the same thing but with
> tread-mill-type blades in front of the tub. I already have the tread mill
> created, but everything in between is what I need pics of. I took some
> yesterday and might upload them to Brickshelf.
I forgot to thank Mark Bellis and John Fors for their info yesterday.
Which engine drives the rotating blades? Is one engine for hydraulics and one
for driving the wheels? Or is one engine for the rear half and one for the
front? Which engine performs which functions?
This is what I have so far- not much at all. I have 10 engine pistons, and may
put 6 in front and 4 in back.
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=145054
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Message has 1 Reply:
 | | Re: Scrapers
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| (...) needed in loose soils than in hard, compacted soils. I guess being such a big machine, it has a proper control system, such that power to each axle is controlled from each axle's engine with a combined traction control system. The cut-away (...) (19 years ago, 12-Sep-05, to lugnet.technic)
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Message is in Reply To:
| | Re: Scrapers
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| (...) Thank you all for the pics. The one Rosco sent was the type I was looking for. There are 2 types that I can see. One has a hollow tub in the middle and collects the dirt. The other is basically the same thing but with tread-mill-type blades in (...) (19 years ago, 11-Sep-05, to lugnet.technic)
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