Holder

The utility model discloses a holder. The holder comprises a supporting mechanism and one or more rotating shaft mechanisms, the supporting mechanism is used for supporting the rotating shaft mechanisms, the rotating shaft mechanisms are used for adjusting the posture of a carrier borne by the holder, and each rotating shaft mechanism comprises a rotating disc; the rotating arm can rotate relative to the turntable; the motor comprises a stator and a stator rotating relative to the stator, and the turntable and the rotating arm are respectively connected with the stator or a rotor of the motor; the locking system is arranged on the rotating disc or/and the rotating arm and used for locking the rotating arm so as to prevent the rotating arm from rotating relative to the rotating disc, the locking system comprises an operation piece, a lock cylinder and an automatic locking structure, and the operation piece and the automatic locking structure can drive the lock cylinder to move so that the lock cylinder can be