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Picture of Automatic garage gate (port�n autom�tico)
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Nota: Las fotos son 3D, en formato anaglifo y en par cruzado.

Hace unos años hice este engendro, y puedo decir que es una de las cosas que mejor resultado me han dado. La automatización del portón del garage es una excepción a la regla que dice que la comodidad se contrapone a la seguridad. Por lo menos en mi caso, nada más cómodo y seguro que llegar a mi casa, oprimir el botoncito del control remoto desde la esquina, ver cómo se abre el portón, y entrar directamente, sin siquiera detener el auto. De igual manera, al salir la operatoria es muy rápida: poner el motor en marcha, sacar el freno de mano, abrir el portón, poner marcha atrás y salir; al pasar la trompa del auto por la línea del portón, ya puedo apretar el botón de cerrar. Si hubiera algún ladrón merodeando la zona, tendría que estar muy cerca de mi casa y muy alerta para poder interceptarme, dado que no tengo que bajar del auto ni detenerlo en ningún momento. El tiempo de apertura es de 7 segundos, y lo mismo el de cierre.

Ni hablar de los días de lluvia, no me moja ni una sola gota. Mi mujer, agradecida.

Pero cuando quise instalar el abreportón automático, había un pequeño problema: la versión para dos puertas costaba más del doble. Y no soy de los que no se fijan en el precio. Así que decidí comprar un automático para portones corredizos y adaptarlo a mis necesidades. A continuación cuento cómo lo hice.

Note: The pictures are 3D, anaglyph and CES (cross eyed stereogram) format.

A few years ago I made this monster, and I can say is one of the things that have given me better results. The garage door automation is an exception to the rule that says that comfort is contrary to safety. At least in my case, nothing more comfortable and safe to come to my house, press the button on the remote control from the corner, see how the gate opens, go straight, without even stopping the car. Similarly, leaving the operation is very fast: put the engine running, pull the hand brake, open the gate, set back off and leave, and when the trunk of the car overpass the gate line, I can pull the close button. If there is a thief prowling the area, should be very close to my home and very alert to intercept me, given that I have not to get off the car or stop at any time. The opening time is 7 seconds, and closing the same thing.

Not to mention the rainy days, I wet neither a single drop. My wife, grateful.

But when I install the automatic gate opener, had a small problem: two-door version costing more than doubled. And I am not of those who do not look at the price. So I decided to buy an automatic slide gate and adapt it to my needs. Following I tell you how I did.


 
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Step 1: Fixing (fijaci�n)

Picture of Fixing (fijaci�n)
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Ubiqué el motor colgado de las vigas del techo, sobre una plataforma sostenida firmemente con soportes y puntales de hierro. Esto es fundamental, porque el motor hace mucha fuerza, sobre todo los días de viento. Como ya he dicho en otros instructables, la estética es lo que menos me preocupa.


I located the motor hanging from the rafters, on a platform firmly held with iron supports and struts. This is crucial because the engine makes a lot of force, especially on windy days. As I said in other instructables, aesthetics is the least of my worries.

Step 2: The rack (la cremallera)

Picture of The rack (la cremallera)
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Conseguí un caño cuadrado de hierro de 4x4 cm, que actúa como cañón o túnel por dentro del cual se desliza la cremallera. Me vi obligado a invertir la posición de esta, poniendo los dientes hacia arriba, para evitar tener que bajar demasiado el motor. El único inconveniente que presenta eso es que el polvo del ambiente se va depositando sobre la cremallera, pero luego de varios años de uso, no me ha representado ningún problema.


I got a square iron pipe 4x4 cm, which acts as a barrel or tunnel into which slides the rack. I was forced to reverse the rack position, putting teeth upwards, to avoid having too low the motor. The only drawback to this is that the ambient dust is deposited on the rack, but after several years of use, it have not result in any problem.

Step 3: The arms (los brazos)

Una vez instalado en su lugar el motor, y con la cremallera en condiciones de funcionar, medí el largo que debían tener los brazos que moverían el portón, y la posición donde deberían articularse en este para poder llegar a ambos extremos (cerrado - abierto). Dado que la hoja izquierda debe cerrar primero porque la otra tiene una pestaña que cubre la unión, hice los brazos telescópicos, de longitud ligeramente variable, mediante sendos resortes ubicados en el interior. Eso permite que el motor llegue al final del recorrido y las dos hojas del portón queden bien cerradas. Los extremos de los brazos que van fijados a la cremallera tienen una articulación doble, vertical y horizontal, debido al movimiento que realizan.


Once installed the engine in place, and with the rack in working condition, I measured the length that should have the arms  that would move the gate, and the position where they should be articulated in order to reach both ends (closed - open) . Since the left wing should be closed first because the other has a tab that covers the union, I did telescopic the arms, slightly variable in length, by two separate springs located on the inside. This allows the motor to reach the end of the path and the two leaves of the gate are securely closed. The ends of the arms that are attached to the rack are in double joint, vertical and horizontal because the movement  they do.

Step 4: The guide (la gu�a)

Picture of The guide (la gu�a)
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Cuando hay viento lateral la cremallera tiende a torcerse. Por lo tanto tuve que agregar una guía que la mantenga en posición mientras se desplaza hacia atrás y adelante.


When there is side wind the rack tends to twist. So I had to add a guide to keep it in place while moving back and forth.

Step 5: The latch (el pestillo)

Picture of The latch (el pestillo)
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Mi portón tiene un solo pestillo, abajo. Hasta el momento no he tenido problemas con eso. Para actuarlo pensé al principio en un electroimán, pero cuando averigué los precios desistí, porque me costaba casi lo mismo que el motor automático. Así que hice un mecanismo sencillo de palancas, que se activan con la fuerza del motor para levantar el pestillo al abrir, y  al cerrar este cae y se traba por la acción de un resorte. En el piso atornillé un trozo de hierro ligeramente inclinado para actuar como traba.


My garage door has a single latch, below. So far I have not had problems with that. At first I thought in an electromagnet to act it, but when I found out I gave up because prices are almost the same as the automatic motor. So I made a simple mechanism of levers, which are activated by the engine's power to lift the latch to open and down it to close, locked by the action of a spring. On the floor screwed a piece of iron rod slightly inclined to act as a barrier.

Step 6: Anti-theft protection (protecci�n antirrobo)

Podría suceder que un ladrón saltara el tapial medianero, entrara al garage por la puerta del fondo, aflojara algunas tuercas, liberara el portón, lo abriera a mano y se llevara el auto. Para evitar eso tomé la soldadora eléctrica y puse un punto de soldadura en el extremo de cada tornillo crítico. Eso me dificultará desarmarlo, lo cual espero no sea necesario por muchos años, pero con la amoladora de mano puedo eliminar el punto de soldadura rápidamente.



It could happen that a thief jumped over the mediatrix wall, entered the garage through the back door, loosen some nuts, release the gate, open it by hand and take the car. To avoid this I took the electric welder and put a tack weld at the end of each critical screw. That makes it hard to disassemble, which I hope is not necessary for many years, but I can hand grinder to remove the weld quickly.

Step 7: Plan B

¿Y si se corta la luz? En mi zona eso ocurre cada tanto, y el motor lo prevé mediante una palanca que libera el mecanismo para poder actuarlo a mano. Pero como yo lo colgué del techo, para llegar a la palanquita tendría que encaramarme a la capota del auto, lo cual sería una locura, sin contar que podría ocurrir que yo no estuviera presente, y pretender que mi mujer haga eso sería ciencia ficción. Así que tuve que hacer que los brazos actuadores sean fácilmente desconectables, pero al mismo tiempo, que no lo pueda hacer un eventual ladrón. Lo solucioné asegurando los brazos actuadores mediante sendos puntales verticales que los unen al portón, y que a su vez están fijados en su lugar con sendos candados.

O sea que si hay corte de luz, solo tengo que ubicar las llaves de los candados, abrirlos, retirar los puntales, desconectar los brazos actuadores y abrir y cerrar el portón manualmente, con su llave que también está guardada para estos casos.


What if the power goes out? In my area that happens every so often, and the motor is provided for by a lever that releases the mechanism to act it out by hand. But as I hung it from the ceiling, to reach the lever would have perched on the hood of the car, which would be crazy, not to mention that it could be that I was not present, and expect my wife to do that would be science fiction. So I had to make the actuator arms are easily detachable, but at the same time, not a potential thief can do.  I solved this by means of connect the actuator arms thru vertical struts that attach them to the gate, and that in turn are held in place with individual padlocks.

So if there is power outage, I have only to locate the keys to the padlocks, open them, remove the props, detach the actuator arms and open and close the gate manually using its key, that is also stored in these cases.

Step 8: Videos




pfred23 years ago
Wow you made your own garage door opener. I have an overhead garage door with an opener, but it was all here when I moved in. I never timed it but I'd say it is a lot slower than your opener too. I used to use it but then too many bugs and frogs and other things would get into my garage. So unless I have to move something really big into my garage I leave it closed all the time now. Oh yeah, the cars live outside all the time now too. A thief would have to travel pretty far to get to my house. I do not think the trip would be worth it for them.
rimar2000 (author)  pfred23 years ago
I get two conclusions: 1) you live in the countryside, far from the city. Here in Argentina such a thing is no guarantee of safety, there have been many assaults in rural areas; 2) obviously, in your area does not hail. Here are falling boulders often, my son ruined a nearly new car, and to me a hail broke a pane of glass at my back gallery.

It is fast, indeed, 6 or 7 seconds. The only problem with that is at closing, it strike a bit (or a beat). But the neighbors around 6 blocks are already accustomed ;)

Thanks for comment, you are always kind.
You are right. I live in a rural area. I guess there can be crime here but we are all heavily armed so that can end bad. I have seen it hail here. Not often, but it can happen.

This is my  front yard:

http://i.imgur.com/8T4KE.jpg

My back yard:

http://i.imgur.com/0bM4J.jpg

Pretty empty.

To you I am kind, because you are OK. Some others, not so much.
AR10NZ pfred22 years ago
Hi pfred2 :
Interesting photos. I was born in Canada, but prefer life as a citizen, in New Zealand. I enjoy Instructables, a lot of interesting projects, & feedback.
Rimar's inst's, are interesting, he is keeping busy in retirement.
Have only posted comments, to date.
Was considering an Inst. on various firearms suppressor construction. Been using them, making them, and selling them, for over 40 years. Here in New Zealand, there are absolutely NO laws or regulations regarding these.
As Kim Dot Com, a NZ resident, and German citizen, ( a multi millionare) is currently being hounded for implied crimes, by the FBI that are not crimes here, and they are trying to extradite him to the USA, I will NOT!!
Recently did a Ruger 10/22, shortened Bbl to + legal length, reduced dia. left "boss" back from muzzel, to be a snug fit inside thin wall 19mm dia titanium tube. Very light, removeable by hand, for cleaning, etc. A friend used his "USA" muzzel crowning kit, but I was not happy with accuracy. 3 more careful lathe ops, did not sort problem. A Google, got me a vid clip, Remington, I think. Brass mushroom head screw, in battery drill, Bbl reverse rotated in lathe. Coarse valve grinding compound, clean, then fine comp.
With Tasco 3-9 X 40 scope, clamped in "Z" vice, Winchester subsonic, holes touching @ 20 paces.
Cheers.
rimar2000 (author)  pfred23 years ago
I would love to live out of town, I feel revived, but I can not convince my wife.

"Normal" hail is not a problem. Last times are falling big ice boulders, egg hen size. They are very destructive.

Here in Argentina we (decent people) are disarmed, at the mercy of criminals who are armed they do. The law is to protect them from us!
Sounds like a great place for whiskey drinkers to me if they like theirs on the rocks.

The country is peaceful. Sometimes out in my yard I can hear my own heart beating. Maybe I need to cut down on my salt intake? But it is very quiet here.

We are pretty lax about guns. These are the guns laws that apply to me:

http://crime.about.com/od/gunlawsbystate/p/gunlaws_de.htm

I have never been locked up or committed so I'm OK for anything but concealed carrying. I don't know 5 people here so I can't get that permit.
rimar2000 (author)  pfred23 years ago
I see on Google Maps that your zone is plenty of natural beauties. Where are you precisely?

I am here: http://maps.google.com/maps?q=Villa+Elisa,+Buenos+Aires,+Argentina&hl=es&ll=-34.848918,-58.080465&spn=0.001263,0.002411&sll=38.827405,-75.481567&sspn=0.307046,0.617294&oq=villa+elisa,+&vpsrc=6&hnear=Villa+Elisa,+Buenos+Aires,+Argentina&t=k&z=19

My house is at center of the image, it have 3 little trees in front, and a wasteland at its right . We are 9 km form Río de la Plata, but the road is destroyed and the waters are contaminated.
WWC3 years ago
Very nice. I once tried to make a gate opener out of a garage door opener. I say tried because it never really worked very well, or at all for that mater. I see if i would of applied your push-pull instead of my rotation idea i believe it would have worked. Good work!
rimar2000 (author)  WWC3 years ago
Thanks for your kind words.

My device, like almost all DIY or home-made contraptions, has some fails. Example, after a big rain can occur that the latch locks. I made some days ago a little change, replacing the vertical iron rod that you can see in first photo of step 5 by a bicycle brake steel wire. That improved a lot the problem. but I do not trust it, it can always arise something, for metal fatigue, wear, etc...
bfk3 years ago
Hermoso! Este es el tipo de la puerta de mi pequeño establo. Me puede copiar esto sólo para mostrar!

Mejor aún, el 3D es una gran manera de mostrar su invento. Si no te importa, voy a hacer eso en mi instructable siguiente. Felicitaciones a usted por un instructable doblemente impresionante!


Beautiful! This is the type of door on my small barn. I may copy this just to show off!

Better yet, the 3D is a great way to show off your invention. If you don't mind, I'm going to do that on my very next Instructable. Kudos to you for a doubly awesome Instructable!
rimar2000 (author)  bfk3 years ago
Gracias por tus palabras elogiosas. A mí me encanta la fotografía 3D, y como no tengo suficiente dinero para comprarme una buena cámara, debo rebuscarme con dos camaritas baratas de esas que ya no se consiguen. Podés ver este instructable donde lo explico.

Thank you for your words of praise. I love 3D photography, and as I have not enough money to buy a good camera, I dig with two of those cheap little camera that are no longer available. You can view this instructable where I explain.
Phil B3 years ago
Very impressive!
rimar2000 (author)  Phil B3 years ago
Thanks, Phil!

"Necessity is the mother of invention"