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  #1  
Old 07-24-2017, 04:11 PM
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Default Conveyor Project

Here is a short progress video of my current build, a 3' x 2" conveyer. Don't have a fast enough gear motor so I'm sort of stuck while I wait on new motors to show up.

Might try to do short video updates as opposed to a photo sharing solution. Wish the video had a thumbnail here on the site, is it something I can do different to show a thumbnail instead of a link?

https://youtu.be/Kzk-oCrS6sM

Note: I guess my phone uploads a SD version so I'm uploading an HD version using the YouTube app and will fix the crappy resolution when it is ready.

Jim

Last edited by Rvjimd; 08-16-2017 at 10:59 AM. Reason: Typos and note..., changed the link to the hd video
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  #2  
Old 07-24-2017, 06:23 PM
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Default Re: Conveyer Project

That's some great progress. Look forward to the next video.
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  #3  
Old 07-24-2017, 11:44 PM
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Default Re: Conveyer Project

Here is a short update showing the tensioner.

https://youtu.be/PvpAdqWYCi8

Jim
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  #4  
Old 07-25-2017, 01:02 AM
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Default Re: Conveyer Project

Thats a nice tensioner design... i think it would be easy to do to my bruder brass build... mill a slot in the idler end and add some angled brakets...

Also the little update video you asked for.
https://www.youtube.com/watch?v=8DsMjBCIgkw

Last edited by Highover; 07-25-2017 at 01:22 AM.
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  #5  
Old 07-25-2017, 09:47 AM
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Default Re: Conveyer Project

Spring tension idler testing...

https://youtu.be/O1rDVR9ytmw

Jim
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  #6  
Old 07-25-2017, 12:32 PM
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Default Re: Conveyer Project

Milling slots in the new, longer idler shaft for the conveyor.

https://youtu.be/lSSZ1PWU9-Y

Jim
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  #7  
Old 07-26-2017, 09:20 AM
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Default Re: Conveyer Project

Conveyor build update...got the new springs, material used for belt and working on side rollers.

https://youtu.be/lstn_pdsueA

Jim
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  #8  
Old 07-26-2017, 08:38 PM
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Default Re: Conveyer Project

Starting to look like a conveyor

https://youtu.be/t0mF5Kp8RDs

Jim
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  #9  
Old 07-28-2017, 12:14 PM
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Default Re: Conveyer Project

Short video making spacers for the drive drum on the conveyor.

https://youtu.be/W92e5sQa5tU

Jim
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  #10  
Old 07-28-2017, 07:16 PM
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Default Re: First good test of the new conveyor

https://youtu.be/E4G2VYKieQY

Jim
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  #11  
Old 07-30-2017, 07:05 AM
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Default Re: Conveyer Project

Belt speed looks good, seems to be plenty of power. I'm suprised that toolbox liner works that well as a belt. Can't wait to see it with a little bigger hopper so it's easier to hit.

That whole setup is great all around! The new red truck looks pretty slick.
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  #12  
Old 07-30-2017, 08:00 AM
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Default Re: Conveyer Project

I made a few small adjustments and I am making a second belt. Going to make the new one a tiny bit shorter, I was running the springs to the max compression. I also plan to do the splice on an angle. Then I want to do some more extended testing to make sure i have the bugs worked out.
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  #13  
Old 07-30-2017, 05:36 PM
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Default Re: Cab view video loading sand on the conveyor with dragline

Unedited video of the conveyor from the dragline perspective.

https://youtu.be/OJ6MnikEkto

Jim
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  #14  
Old 07-30-2017, 06:15 PM
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Thumbs up Re: Conveyer Project

Works like a champion. Well Done Jim. I Might need to be loaded at C/F next year ;o)
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  #15  
Old 07-31-2017, 10:24 AM
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Default Power on/off switch ideas?

Guys,

I'm hunting for a switch to put on the new conveyor but thought I'd ask for ideas from the engineering brain trust and see if there are any neat options.

I want to add a power on/off to the conveyor that I can turn on and off with the bucket of the dragline or possible a wheel loadert. I'm thinking a simple toggle switch with maybe a short extension on it to make it easy to move and tall enough to reach easy with the bucket. I would mount it near the hopper end.

Don't want to make anything too complicated. I would be ideal if it ran the belt long enough to unload and then shut itself off but then it should be running before any additional material is dumped into the hopper to prevent problems of starting the belt with static load already on it. Some sort of optical sensor would be cool but out of my electrical game.

I am running the motor on a 6 cell nimh battery so 7.2 volts for the motor is fairly important to belt speed but this could be adjusted if needed using different pulleys on the motor and drive drum.


Any thoughts?

Jim

Last edited by Rvjimd; 07-31-2017 at 10:29 AM. Reason: Typos
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  #16  
Old 07-31-2017, 04:15 PM
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Default RPM and Belt Speed

I checked the final shaft rpm and it is turning 120 RPM. The motor is rated 170 at 12v, but I'm running it at 7.2v and there is a slight reduction in my pulleys. The drive drum is 3/4" D. My belt is 70" long and it travels four time around in one minute so that would be 23.33 feet/minute.

Hope this helps,

Jim
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  #17  
Old 08-01-2017, 08:58 AM
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Default Re: Conveyer Project

Get one of those cheap wireless control switches. I saw one used on someones Sand Master conveyor at one of the meets.

A quick search found one of these.

http://www.ebay.com/itm/INSMA-Relay-...4AAOSwLEtYjcgk

Last edited by 9W Monighan; 08-01-2017 at 09:02 AM.
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  #18  
Old 08-06-2017, 02:03 AM
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Default Re: Conveyer Project

maybe a micro switch with a roller bar thing on it under the belt and when you put dirt on the belt it will turn on.
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  #19  
Old 08-06-2017, 07:40 AM
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Default Re: Conveyer Project

I ended up with a micro switch and a lever arm that can be moved by the crane bucket or a wheel loader.

Jim
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  #20  
Old 08-06-2017, 10:31 AM
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Default Re: Conveyer Project

Works like a charm! Ill prob be copying your belt tensioner design when i build mine. Love the dragline too.
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