Off-axis parabolic mirror de-gravity three-dimensional adjusting bracket for schlieren instrument

The utility model discloses an off-axis paraboloidal mirror gravity elimination three-dimensional adjusting support for a schlieren instrument, which comprises a base, a U-shaped supporting arm, a first adjusting rod, a second adjusting rod, a third adjusting rod, a fourth adjusting rod and a fifth adjusting rod. The rotary bent arm is connected to the U-shaped supporting arm; a pitching adjustingmechanism for pitching adjustment of the off-axis parabolic mirror is arranged between the rotary bent arm and the U-shaped supporting arm; the rotary mirror bracket is connected to the rotary bent arm through a rotary connecting plate; a rolling adjusting mechanism is arranged between the rotary mirror bracket and the rotary bent arm; an off-axis parabolic mirror is connected to the rotating mirror bracket; and the yawing adjusting mechanism is used for yawing adjustment of the off-axis parabolic mirror, is arranged in the base and is connected with the U-shaped supporting arm. The off-axisparabolic mirror de-gravit