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Hydraulics question #144
02/08/2019 03:03 PM
02/08/2019 03:03 PM
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Tyler Offline OP
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I've got a blower that mounts to the 3 point on the tractor and we use it to blow dust out of our chicken houses. It's pretty much a squirrel cage fan on a frame that uses the tractors remote hydraulics to rotate from side to side. I need to get a flow control valve to slow the swing down as it's WAY to fast and jerky. My main question is, is there a way to make this thing rotate on it's own instead of me moving it with remote lever without it costing an arm and a leg? I would like to be able to drive through the house without having to watch the front, back, ceiling, and walls. I would need to have a way to adjust the limits. Say 0° to 110° for the walls and part of the ceiling. Then maybe 45° to 135° for the center of the ceiling. I'll try to get some pics on here to help understand what I'm working with. In the meantime, thanks for any help

Last edited by Tyler; 02/08/2019 03:06 PM.
Re: Hydraulics question [Re: Tyler] #145
02/08/2019 03:35 PM
02/08/2019 03:35 PM
Joined: Jan 2019
Posts: 202
Arrowsmith, Il. USA
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Small swing cylinders would work. Make a pivot and install them on the side like a backhoe swing. you could even go up and down the same way, only install the second pivot at 90 degree angle to the side swing. Cylinders could be quite small, I would think. Flow control valves in the right places work great. Your biggest expense will be valves and hoses.
I am kinda doing a visual of your machine and may be way off, but I think this could work for you.
Other's will have more suggestions to add! thanks; sonny


"A machine you build yourself is a vote for a different way of life. There are things you have to earn with your hands."
Re: Hydraulics question [Re: Tyler] #146
02/08/2019 05:08 PM
02/08/2019 05:08 PM
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Sorry but I don't really follow you. I'm looking for a way for the blower to rotate by it's self meaning I don't have to move the remote handle up and down. Meaning something I can turn on and the blower rotates back and forth on it's own between two set points. I'm guessing there's not anything or it would also be made that way

Re: Hydraulics question [Re: Tyler] #147
02/08/2019 05:14 PM
02/08/2019 05:14 PM
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https://m.youtube.com/watch?v=d898BRm4qKo

This is a different model but works on the same principal

Re: Hydraulics question [Re: Tyler] #148
02/08/2019 05:37 PM
02/08/2019 05:37 PM
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Beryl, UT - Middle Nowhere
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Myself I would mount a disk or crank arm on a torqey gear motor, either hydraulic or electric. Then a variable length connecting rod on a pivot point on disk or crank arm. By varying pivot point on disk max travel could be set. Varying output point on connecting rod sets max swing other direction.
Doc


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Re: Hydraulics question [Re: Tyler] #150
02/08/2019 06:15 PM
02/08/2019 06:15 PM
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I'll look into that. Thanks Doc

Re: Hydraulics question [Re: Tyler] #151
02/08/2019 10:05 PM
02/08/2019 10:05 PM
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Posts: 263
Virginia Beach, Va
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I Strongly agree with Doc. I think that would be your least expensive option. you could hook it up to your swing and you would have the ability to reverse it if needed.


I know a lot about a lot of things BUT I still have a lot to learn.
Life is what you make of it. So, why not make a working machine to make it easier.
Re: Hydraulics question [Re: JIM] #154
02/09/2019 01:33 AM
02/09/2019 01:33 AM
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Beryl, UT - Middle Nowhere
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Answer 3.... (answer two deleted due to new information.)
Assuming your blower matches this: Louis Poultry blower

Tilt of chute is controlled by chain drive sprocket on outer hub of blower shaft bearing housing. Chain loops over sprocket on top, and down around an idler on either side and thence to a slide shoe moved by hydraulic cylinder.....

Simply stated: OUCH....

Not something easily modified. You are also asking for position / range adjustment. That's even harder, but doable. Much easier to accomplish with a bit of electrics, be it moveable limit switches or some kind of encoder on chain that counts links or rotation of a spocket.

Actually moving the chain with anything near same amount of torque suggests only one type of mechanism. That is substituting a powered screw mounted in substitution of hydraulic cylinder. Screw would need to be mounted on each end with a thrust bearing with a travrling nut assembly moving slide shoe hydraulic cylinder now moves. Then drive end of screw with an electric motor connected to positioning controller. I'd guess screw diameter at least 1/2 inch, 5/8 would be better (just to find cheap thrust bearings and have thread beefy enough to do job.)
Standard all-thread would probably be adequate, but tougher (and faster ratio) ACME thread shaft could be used as well. (See SURPLUS CENTER for bearings or ACME rod / nuts).

How to drive threaded rod...

DC motor. Simple relay (or solid state relay) drive with polarity reversal at end of stroke controlled by limit switch. Suggest using electric scooter motor, sprockets and chain. (Try: TNC Scooters for reasonably priced parts.)

Or...

Stepper Motor... controlled by stepper motor driver controlled by Arduino or other micro controller. Best prices probably ebay or Chinese supliers such as banggood.com or aliexpress. Kind of requires a local CNC guru or teenager Arduino hobbyist. CNC mechanisms probably adaptable, but not off the shelf.

So... that's my best thoughts for answer 3.

Doc

Last edited by Doc; 02/09/2019 06:15 AM. Reason: Complete redesign

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Re: Hydraulics question [Re: Tyler] #157
02/09/2019 08:14 AM
02/09/2019 08:14 AM
Joined: Jan 2019
Posts: 263
Virginia Beach, Va
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Probably cheaper and easier to install flow controls and fabricate an attachment to operate the existing valve.


I know a lot about a lot of things BUT I still have a lot to learn.
Life is what you make of it. So, why not make a working machine to make it easier.
Re: Hydraulics question [Re: Tyler] #158
02/09/2019 09:49 AM
02/09/2019 09:49 AM
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east coast USA MD
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east coast USA MD
keep blower stationary,and make a movable pressure chute to direct the flow.-what about a windshield wiper motor? fairly torquey and already has oscillating motion designed right in..control the motor speed with a speed control or heater motor blower resistor..no brainer

Re: Hydraulics question [Re: bunkclimber] #189
02/10/2019 10:28 PM
02/10/2019 10:28 PM
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Tyler Offline OP
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Thanks for the time and info Doc. You nailed it on the chain drive. The reason for the limits is while the blower is being used there's left over feed in the feed pans that we don't want to blow out because we've already paid for it. It gives us a slight advantage on our feed conversion at the beginning of every flock because it's maybe 100 lbs of feed that won't be charged to the current flock. So I need to know the blower will stop in time to not blow the feed out

Originally Posted by bunkclimber
keep blower stationary,and make a movable pressure chute to direct the flow.-what about a windshield wiper motor? fairly torquey and already has oscillating motion designed right in..control the motor speed with a speed control or heater motor blower resistor..no brainer

That's quite an idea. I'll look into this to. Thanks

Last edited by Tyler; 02/10/2019 10:32 PM.
Re: Hydraulics question [Re: Tyler] #230
02/12/2019 07:21 PM
02/12/2019 07:21 PM
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east coast USA MD
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eBay has dirt cheap motor speed controls for sale,some are fairly heavy duty,I cant find a way to build them cheaper even with salvaged parts..the heater blower motor speed control is common in a lot of older cars,you know the simple 3 speed switch on the dash that controls the fan motor..getting a bit harder to find now due to the electronics doin it,but you can get them brand new replacement for pretty cheap too..just an idear for ya

Re: Hydraulics question [Re: Tyler] #267
02/15/2019 05:12 PM
02/15/2019 05:12 PM
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Tyler Offline OP
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Thanks bunkclimber


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