COUNTERWEIGHT DISPLACEMENT MECHANISM AND OPERATING MACHINE

A counterweight displacement mechanism and an operating machine (100). The counterweight displacement mechanism comprises a machine frame (1), a rotary table (2), a counterweight mounting frame (3), a counterweight (4) and a jacking device (5), wherein the rotary table (2) has a head portion (21) and a tail portion (22), and the head portion (21) is connected to the machine frame (1); the counterweight mounting frame (3) is rotatably connected to the tail portion (22) along an axis in a vertical direction, the counterweight mounting frame (3) is provided with a connecting portion (31), and the connecting portion (31) is located on one side of a rotating axis of the counterweight mounting frame (3); the counterweight (4) is provided with a mating portion (41) detachably connected to the connecting portion (31); and the jacking device (5) is used for driving the mating portion (41) to move up and down relative to the connecting portion (31). L'invention concerne un mécanisme de déplacement de contrepoids et une