Gear fine-tuning pan-tilt

A gear fine-tuning pan-tilt, characterized in that it comprises a rotating base, a roll worm support seat, a roll adjusting assembly, a pitch adjusting assembly and a bearing seat which are sequentially arranged from bottom to top;

• wherein the pitch adjusting assembly is supported by a pitch support housing, the pitch support housing comprises a pitch housing fixed part and a pitch housing rotating part that are rotatably engaged, a lower part of the rotating base is connected to a pan-tilt support;
• the pitch adjusting assembly comprises a pitch fine-tuning worm gear, a pitch fine-tuning worm and a pitch fine-tuning knob, the bearing seat is connected with the pitch housing rotating part, the pitch fine-tuning worm gear is engaged with the pitch fine-tuning worm, the pitch fine-tuning knob is connected to an end of the pitch fine-tuning worm, the pitch fine-tuning worm gear is a complete gear structure;
• the roll adjusting assembly comprises a roll fine-tuning worm gear, a roll fine-tuning worm, and a roll fine-tuning knob, the roll fine-tuning worm gear is engaged with the roll fine-tuning worm, the roll fine-tuning worm is arranged on the roll worm support seat, the roll fine-tuning knob is connected to an end of the roll fine-tuning worm;
• the bottom of the pitch housing fixed part is fixedly connected with the roll fine-tuning worm gear;
• the roll fine-tuning worm gear is an arc-shaped rack, an arc opening of the arc-shaped rack faces upward;
• the roll worm support seat is in rotational contact with the pitch housing fixed part;
• the roll worm support seat is rotatably connected with the rotating base.