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  • LCD lifter parts?

    Im trying build a lift for my LCD in my volvo s60.



    [media]http://www.youtube.com/watch?v=k_ctMCo1D_0[/media]
    a little model build in lego

    But where can i get parts to build a real lift?
    http://www.spearstats.com/spaceend
    http://www.kombidelta.se

  • #2
    I would suggest using a worm gear setup or a pulley system, With the pulley system providing the setup is clean and well measured it should easily drop using the weight of the LCD. Using stepper motors and a stepper control will allow you to have proper control over the lifting system.

    There are a few options in which you can use this, I guess most would depend on how much room you have beside,front,below and behind the using itself.

    I would personally use a scissor lifter which would be a single motor lifting the LCD from below with a contracting scissor that will expand/close the two rodes with a swivel mounted top plate. But having something flush and molded would be nice a clean..

    Are you open to other options?
    2004 Holden WL Caprice Auto GENIII
    Base System = Raspberry Pi
    Everything else is pending for now as switched from a Mini-ITX setup

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    • #3
      I have no room under the lcd, i have some room behind and front of the LCD.

      Is my lego idea bad?
      http://www.spearstats.com/spaceend
      http://www.kombidelta.se

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      • #4
        One more video

        [media]http://www.youtube.com/watch?v=CvGNI0vQr6M[/media]
        http://www.spearstats.com/spaceend
        http://www.kombidelta.se

        Comment


        • #5
          If your to go with that method, I would use dual shafts.. center single one would be prone to jamming.
          2004 Holden WL Caprice Auto GENIII
          Base System = Raspberry Pi
          Everything else is pending for now as switched from a Mini-ITX setup

          Comment


          • #6
            Yes would use dual shafts, i have only one in my lego collection...

            But where can buy real parts? cant make it with lego
            http://www.spearstats.com/spaceend
            http://www.kombidelta.se

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            • #7
              i have no idea where you can get parts to make that-- time for you to wander through a hardware store..
              My OLD 2001 Mitsubishi Eclipse GT:
              "The Project That Never Ended, until it did"


              next project? subaru brz
              carpc undecided

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              • #8
                You could use an old CDROM tray mechanism depending on the space available. A sliding balast can be used to zero the weight similar to how an elevator works, or springs but it would have to work harder at the ends.

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                • #9
                  I love projects like this :-)



                  Very much like the lego, I guess. And the sissor suggestion.

                  If you lade (svarvar) of the threads at the end of the screw you can make it turn nicely in the U-beams that at the same time is the track for the LCD.

                  If you also lade (is that the proper word really?) the screw at end positions the movement will automatically stop there.

                  A simple rubberbelt will also be a protection against jammed mechanics, so a simple DC motor will do.

                  You can place the motor in front where you have room.

                  The hinges can be very simple things. Attach a second nut on top of the ones on the screw. If that is done properly it will also keep the nut on the screw from rotating.

                  Note that the screw will have to be halfway right threaded and halfway left threaded. Maybe a more practical solutions is two screws. Then you will get more lift too.
                  My car installation mp3car thread "showing off project"

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                  • #10
                    just to make it more complicated lol pneumatics
                    2004 Holden WL Caprice Auto GENIII
                    Base System = Raspberry Pi
                    Everything else is pending for now as switched from a Mini-ITX setup

                    Comment


                    • #11
                      What about a linear actuator?

                      Build it inside a new back cowling, so you cant see the actuator when you look through the front windscreen at the back of the LCD screen, and you could have the linear actuator raise and lower the screen.

                      They are powerful, smooth, quiet, and VERY reliable. You can have them work much like a car antenna, they have 12V power all the time, with a trigger line from the car computer. When the computer is off, the actuator retracts back into the dash, when the computer is on, the actuator extends, and raises the screen from the dash.

                      That would be the easiest option, and it keeps the number of moving parts down, as you only have sliding channels on each side of the screen, with the actuator being the only moving part.

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                      • #12
                        Yes thats sounds like a good way to go.
                        How compact are they? Because i dont have any space under the lcd
                        And can i get them in the right size?
                        http://www.spearstats.com/spaceend
                        http://www.kombidelta.se

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                        • #13
                          You can get ones with as small as a 4inch throw, so the total body length is only about 5 inches total. You would mount it behind the screen, and have it attach to the screen up at the top, making the whole unit sit behind the screen when it is down in the dash.

                          Just do a google search on Linear Actuators, and you will find there are a heap of sizes and stuff on offer, admittedly they aren't super cheap, but they are a part that almost never fails, and you can choose from either high speed, low force, or low speed, high force.

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                          • #14
                            If i put at the top of the lcd, the Linear Actuators will also be visible.
                            I want to put it at the bottom of the lcd like my lego design so only the
                            lcd will be visible.
                            http://www.spearstats.com/spaceend
                            http://www.kombidelta.se

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                            • #15
                              When I google I mostly find pneumatic ones, and the electric ones are huge! Is it not true that electric ones are built with a screw and a DC motor?
                              Would be great if you could point to a feasable one for this project, Chester.
                              My intuition is that for size requirements, best way is to build it up myself from a screw. Most mechics will be guides to let the LCD move nicely anyway, so not a lot of work to be spared there.
                              CD approch was interesting though. Compact, very often strong, and stroke is about right too. Maybe even guides could be reused. Almost like attaching the LCD panel on the back of it. Problem might be to find one that is not too fast...
                              My car installation mp3car thread "showing off project"

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