A
detonation chamber equipped with a
cupola shaking prevention means according to one embodiment of the present invention comprises: a base frame; a
cupola rotatably provided with respect to the base frame; an opening / closing
hydraulic cylinder for opening and closing the
cupola with respect to the base frame; and a hunting prevention member connecting the opening / closing
hydraulic cylinder and the base frame; wherein the hunting prevention member can remove a lateral load generated in the opening / closing
hydraulic cylinder or change the reaction direction of the opening / closing hydraulic cylinder from the lateral direction to the axial direction.