Needed, some kind of electrical push/ pull device - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 11-07-2002, 06:49 PM Thread Starter
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Needed, some kind of electrical push/ pull device

I have the old warn bellvue upright winch. The brake and clutch were orginally controlled with cables. Well i have the cables but there are no way to run them with out kinking the cables. So after much thought, I had a brain storm. I need some kind of electrical push/pull device. Something that when i flick a switch the device would pull the brake on and when the switch was released the brake would release. My best friend said try a door lock, but im not sure if they could take the weather and the abuse. Any ideas would be helpful.
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post #2 of (permalink) Old 11-07-2002, 06:55 PM
 
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Re: Needed, some kind of electrical push/ pull device

I've done similar stuff like you want on production equiptment. Solenoids(sp?), but I don't know if you can get them for 12V for what oyu want. Are you running OBA, if so get some small air cylinders, they are cheap.
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post #3 of (permalink) Old 11-07-2002, 07:06 PM
 
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Re: Needed, some kind of electrical push/ pull device

you dont even need onboard air - think the other way, and install a vacuum pull unit such as the ones used for cruise control, or in central locking systems ( door locks) alternately, some small air cylinders can be plumbed for vacuum use. the door pulls generate 3-5 lbs pull...I honestly dont know if that'd be enough for your use or not.

to control it, try and find a europen can that has central locking ( ie, Mercedes, or Audi) they have a manual vacuum control valce inside the drivers door that you could fit to the dash. another option is a 12v vacuum solenoid used to control emissions gear..again, I know Mercedes, Volvo, and VW/Audi have used them as I use one to control the vacuum-off system on my diesel.

chris
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post #4 of (permalink) Old 11-07-2002, 10:04 PM
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Re: Needed, some kind of electrical push/ pull device

I have used numerous door lock actuators in various situations. Yes, an standard door lock motor will only generate up to about 7-10 lbs of force, but I have also used larger units that will handle up to around 75+ lbs. The larger units do get expensive though, some are available thru here web page
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post #5 of (permalink) Old 11-08-2002, 08:12 AM
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Re: Needed, some kind of electrical push/ pull device

Hi everyone, long time reader, first time poster. Was just thinking, if an electrical solenoid wasn't strong enough, would a hydraulic clutch cylinder work? Just attach the reservoir to a throw lever in the cab to engage it. It would be tough enough to take abuse and be weather proof.

Great board, Have gotten alot of good info here.

Dave
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post #6 of (permalink) Old 11-08-2002, 01:43 PM
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Re: Needed, some kind of electrical push/ pull device

Try a GM starter solenoid. My only concern would be duty cycle. I don't think they are intended for being energized for long durations.
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