gimbals

1.(使罗盘等平衡的)平衡环;常平架

2.【机】万向接头

1.a pivoted ring mounted at right angles to one or two others to ensure that something such as a ship's compass always remains horizontal

2.an interconnection that allows one part of a mechanism such as a clock's works to revolve independently of another revolving part that contains it

1.to support something on gimbals