Reloading during a game?

https://preview.redd.it/5urfxiko1e6g1.png?width=931&format=png&auto=webp&s=80146aea186069ad38616c55f72e1e879144066c

https://preview.redd.it/p1xsfc7p1e6g1.png?width=2861&format=png&auto=webp&s=2a66294b75c321a741eb4ab4a966d4961fdb6593

https://preview.redd.it/3w3rs0bq1e6g1.png?width=2048&format=png&auto=webp&s=f24a0dc5e0ac1c8d0326be647b475166bb4f0876

I was checking out Crow Industries's patreon and saw his Lifter Maintenance Rig. and the image he posted got me thinking. Does anyone have any house rules for a unit like this?