electric roof bed

SkiFreak

Crazy Person
Yep... me! :p

These days there are numerous options when it comes to bed lifts.
The one used by Blismobil (which I have seen in person) is simply 4 electric actuators, but they add a bit of "bling", in that you can control different sets of actuators, if there is a need to level the bed when parked on uneven ground.
 

Ferjablito

Active member
Yep... me! :p

These days there are numerous options when it comes to bed lifts.
The one used by Blismobil (which I have seen in person) is simply 4 electric actuators, but they add a bit of "bling", in that you can control different sets of actuators, if there is a need to level the bed when parked on uneven ground.
do you have a link or do you know where to buy it or how to make it HUM, I want to put two twin beds on top of the living room, taking advantage of space in such a small space is vital.
Thank you
Cheers

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SkiFreak

Crazy Person
I only asked because your location could dictate what you can access, but given we can buy pretty much anything online these days... maybe not. ;)

As I said, there are a multitude of methods you can use to make a bed lift, assuming that you are someone that wants to make one yourself.
If you're not, your options will be more limited, as I don't think many companies make custom kits, which it sounds like what you would need.

Have you made any designs up for what you want?
I assume that you want to have the two beds stacked one above the other, like bunks, right?

Hapijac (an American company) make a bed lift system that has a bunk option. They are not cheap, but they are built pretty well. I used to sell them, so I can tell you they are built quite well. They are somewhat customizable, but only if you have some mechanical engineering skills. Out of the box they are a fixed height.
Having said that, I used actuators for my own bed lift, as that was a better solution for my setup, which has a pop-top.
 

Ferjablito

Active member
Thanks again
Hapijac I have seen them, a little expensive,
I was thinking of using some type of motor with two aluminum guides for example,
They are for 2 parallel 80/85 beds in the living room with a hole to go to the bathroom at night, I could make one across the entire width of the living room 210cm approx, but when it comes to going to the bathroom at night it is a problem.
 

SkiFreak

Crazy Person
So... 2 beds, one on each side along the length of the camper.

You could use a pulley/cable system and use a single drive system to raise/lower the beds. The cables could be an obstruction, but it might be okay.
If those beds lowered into a locating setup they would not move when sleeping on them. Yes, you could use guide rails, but that adds another level of complexity.

Personally, I would probably use 2 separate bed lifts (8 electric actuators).
An advantage of this type of setup could be that one bed could be up and the other down, which might be beneficial.
 

SkiFreak

Crazy Person
Another option is a strap based system.
I had intentions of using one of these myself, but as I said, I ended up going with actuators.

I spent quite a bit of money and many hours designing and manufacturing this drive mechanism. Now it just sits in a box!
Bed Lift Components.jpg
 

Abitibi

Explorer
That's a nice kit you designed. What made you change your mind? Maybe I should dust off your kit for you and put it to good use ;)

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SkiFreak

Crazy Person
Over the years I have designed and/or built numerous different types of bed lift test systems, but at the end of the day, an actuator based system turned out to be the best fit for my own camper.
 

Abitibi

Explorer
Did you use feedback actuators? And with a controller so all 4 move in syncro?

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SkiFreak

Crazy Person
Short answer... yes and yes.

The actuators I am using are a Chinese clone of the Linak LA36 actuator, each having a load capacity of 3400N and dual Hall sensor feedback. Much cheaper and virtually identical to the Linak actuators.
I have inspected them internally and am impressed with their quality. Not the quietest, but that is probably to be expected, as they are industrial actuators with all metal gears.

The controllers I am using were designed specifically for Linak and are normally only available through them. The controller has the ability to synchronize 4 x 20A actuators in both directions and has inbuilt safety features.
This is mandatory for my roof lift actuators, as I have a hard sided pop-top, but I have a second identical controller that I will use for the bed lift.

The reason for using the second controller on the bed lift is the built in safety features, like stopping all actuators if one should fail and over current protection, but it's not really necessary.
The controllers also add the ability to utilize a momentary switch to start and stop actuator travel, which is ideal for lazy people like me that don't want to hold the switch down while the actuators are in motion. :)

Linak now make their "IC" range of actuators, which have the inbuilt ability to synchronize, but from what I have seen/heard, the external controller is more reliable and more predictable in its functionality.
As I said... you don't need a controller for a bed lift, nor do you really have to worry about keeping the actuators synchronized.

An actuator based bed lift system can also allow you to level the bed, if parked on uneven ground.
The bed lift in the Blismobil expedition campers definitely have that functionality.
 

Ferjablito

Active member
Although thinking about it carefully and carefully there is no reason to anchor it to the ground, it can be anchored to the walls of the cell or box
 

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