It’s mounted onto a frame bolted to the back of the tank.Nice, is this mounted on the back wall? Would you show more of the actual mounting mechanism?
the unit used is a tv lifter as used to hide a tv in the end of a bed.
then a simple frame made with T slot aluminium.
one of these was used
AV4-LF1000 Plasma TV Lift, Flat Screen TV Lift, Electric TV Lift, Motorised TV Lift
LF1000 TS1000 Flat Screen TV Lifting Mechanism for lcd and plasma screens rf remote control, 1000mm of motorised movement. Free Delivery
www.av4home.co.uk
This might show it better.