Liftable lighting device

A liftable lighting device, comprising a control assembly, a lamp holder, a lamp body, a first lamp wire assembly, a second lamp wire assembly, a power connection mechanism and a wire winding mechanism, wherein

• the wire winding mechanism is rotatably provided on the lamp holder, a first end of the first lamp wire assembly is wound on the wire winding mechanism, and a second end of the first lamp wire assembly extends away from the lamp holder, with the lamp body suspended thereto;
• the power connection mechanism comprises power connection rings and a plate electrode having at least one elastic sheet group, the power connection rings, and the lamp holder are fixedly arranged relative to each other, and the plate electrode is connected to the wire winding mechanism and is configured to rotate with the wire winding mechanism;
• and
• the control assembly is provided on the lamp holder, the second lamp wire assembly is electrically connected to the power connection rings and the control assembly respectively, the at least one elastic sheet group is electrically connected to the first end of the first lamp wire assembly, and the at least one elastic sheet group slidably abuts against the power connection rings.