Waterproof stabilizer and waterproofing method thereof

A waterproof stabilizer, comprising:

• a fixing assembly, a rotating assembly, a circuit board and a waterproof assembly, wherein the rotating assembly comprises a first motor, a second motor, a third motor, a first connecting arm and a second connecting arm, wherein the first motor, the second motor and the third motor are orthogonally arranged in space, a rotor of the first motor is connected with the fixing assembly, a stator of the first motor is fixedly connected with a rotor of the second motor via the first connecting arm, a stator of the second motor is fixedly connected with a rotor of the third motor via the second connecting arm, and the first motor, the second motor and the third motor are respectively connected to the circuit board via a connecting base;
• a first protective case and a first protective cover are arranged on an outside of the first motor, a side wall of the first protective case is connected to the first connecting arm, and the first protective cover is covered on the first protective case;
• a second protective case and a second protective cover are arranged on an outside of the second motor, a side wall of the second protective case is connected to the second connecting arm, and the second protective cover is covered on the second protective case;
• a waterproof assembly comprises a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring, a first waterproof plug, a second waterproof plug, a third waterproof plug, a first waterproof layer, a second waterproof layer, a third waterproof layer, and a waterproof membrane;
• wherein the first sealing ring is arranged between the fixing assembly and the rotor of the first motor;
• the second sealing ring is arranged between the first protective case and the first protective cover;
• the third sealing ring is sleeved on a shaft of the second motor;
• the fourth sealing ring is arranged between the second protective case and the second protective cover;
• the first waterproof plug is arranged between the side wall of the first protective case and the first connecting arm;
• the second waterproof plug is arranged between the side wall of the second protective case and the second connecting arm;
• the third waterproof plug is arranged at an end of a shaft of the third motor, and a shaft hole of the third motor is plugged by the third waterproof plug;
• the first waterproof layer is arranged on a surface of the circuit board, the second waterproof layer is covered on the first waterproof layer, and the third waterproof layer is covered on the second waterproof layer;
• and
• the waterproof membrane is covered on a surface of the connecting base.