Locking device and method of moment balance type constant force support hanger

The invention discloses a locking device and method for a moment balance type constant force support hanger, and belongs to the field of hanger design, the locking device comprises a fixed frame, a rotatable rotary frame is arranged between plate surfaces on the two sides of the fixed frame, and the two plate surfaces are oppositely provided with constraint bases; a restraining piece capable of restraining and adjusting the rotary frame is arranged between the two restraining bases. The rotary frame rotating in the fixed frame is designed, the restraining base is installed on the fixed frame and matched with the restraining piece on the rotary frame for limiting and fixing, the position can be adjusted only by rotating the rotary frame in the using process, the restraining piece is used for positioning the rotary frame on the restraining base, operation is easy, and the locking efficiency is greatly improved. 本发明公开了一种力矩平衡式恒力支吊架的锁定装置及方法，属于吊架设计领域，其包括固定框架，所述包括固定框架两侧的板面之间设有可转动的回转框架，且两块板面相对设置有约束底座，两个所述约束底座之间设有可约束调