Lego Technic Scissor lift MOC

[Danifill]

Hi there! I'd like to present my new creation to you - scissor lift! It has three functions: driving (4WD, by 2 XL motors with 3:1 reduction), steering (Servo motor) and lifting platform (2 L motors). All is controlled with Buwizz. Folded model's height is ~18 cm, maximum height is ~44 cm. I placed some shock absorbers between several scissor parts, because actuator's length wasn't enough to fully extract it without absorbers. Also, it sligthly removed wobbliness. It is not maneurable, but the drivetrain is strong. it has some details like ladder and a dashboard. Most of scissor lifts in real life are more compact, but I also saw pictures of long ones that were a source of inspiration. i hope you will like it! :)

The video is here:

Some photos of it:

Thank you a lot!

 

[JintaiZ]

Fantastic build!

[Danifill]

1 hour ago, JintaiZ said:

Fantastic build!

Thank you!

[Mr Jos]

Nice build, just some points for improvement (as I use these machines often);

     - The platform seems to small, normally the platform is the same size as undercarriage.

     - Would be nice to be able to extend the platform even 50% more outside the undercarriage (with HOG) as in the real ones. To reach hard to get places over obstacles.

[Danifill]

32 minutes ago, Mr Jos said:

Nice build, just some points for improvement (as I use these machines often);

     - The platform seems to small, normally the platform is the same size as undercarriage.

     - Would be nice to be able to extend the platform even 50% more outside the undercarriage (with HOG) as in the real ones. To reach hard to get places over obstacles.

Thank you! Actually, I didn’t even know about extendable platforms in real models, wow! I appreciate your help. :)

Also, how much does it wobble in real life?

[Horologist]

Very interesting model. How much can it lift from its resting state (platform at lowest)? It looks like there are springs to help with lifting, but the mechanical advantage would be poor at that point.

[Mr Jos]

54 minutes ago, Danifill said:

Thank you! Actually, I didn’t even know about extendable platforms in real models, wow! I appreciate your help. :)

Also, how much does it wobble in real life?

I use ones like these many times, the black handle in the middle of the upper railing is a locking pin for the extendable platform, others use a mechanical footpedal locking pin.

The wobble on the real ones depends on how old they are and worn bushings/maintenance but overall it's not as much as in the video, but that will be hard to accomplish.

[Danifill]

6 hours ago, Horologist said:

Very interesting model. How much can it lift from its resting state (platform at lowest)? It looks like there are springs to help with lifting, but the mechanical advantage would be poor at that point.

Thanks! It can lift well, but not high enough at all. Springs are helping a little, but the main problem that there are no an extra actuator in the middle.