Zero-crossing limiting device and rotary table with same

The utility model relates to a zero-crossing limiting device and a rotary table with the same. The zero-crossing limiting device comprises a rotating part and a check block. The rotating part comprises a rail and a sliding block, the whole rail is linear, the sliding block is slidably connected with the rail, and limiting parts are arranged at the two opposite ends of the rail body in the length direction; the check block is arranged opposite to the track and matched with the sliding block. The rotary table comprises a driving device, a rotating shaft, a base and a zero-crossing limiting device, the driving device is suitable for driving the rotating shaft to rotate; the rotating shaft is rotatably connected with the base; and the rotating part and the stop block of the zero-crossing limiting device are respectively arranged on the rotating shaft and the base. According to the limiting device, the rotary table is limited through the sliding block, the limiting part and the check block, occupation of mechanica