The gyro motor is supported in a sealed gyro ball (also called a floating ball) with high-precision ball bearings, and a T-shaped outer rotor structure is used to obtain a larger moment of momentum. The gyro ball is composed of two hemispherical shells sealed and filled with hydrogen or helium to reduce the wind resistance of the motor, prevent the oxidation of parts and lubricants, and improve the thermal conductivity. The gyro ball is equipped with a sealed insulator. Conductive hairspring is welded on it. For signal transmission and power supply. The three-center adjusting device is made into an assembly. Set at both ends of the top ball. The gyro ball is suspended in the floating liquid and positioned with jewel bearings. In order to obtain two rotational degrees of freedom. A ring device is designed. Play the role of universal bracket. Two pairs of orthogonal jewel bearing seats are installed on the ring. Respectively cooperate with the gyro ball and the journal on the base. The vertical axis and horizontal axis of the top are formed. The journal is equipped with an adjustment and locking mechanism to ensure axial clearance. At working temperature, the gyro is suspended in a working manner. The buoyancy of the floating ball is equal to the gravity, so that the inner and outer ring jewel bearings are supported and unloaded, and the bearing supports only play a positioning role. The two output shafts of the gyro are equipped with two moving coil sensors and two direct flow coil torque devices. The sensor rotor assembly is installed on the gyro ball, and on the outer end cover, the stator is energized by AC. The torque device rotor assembly is installed on the gyro ball, and the stator assembly is composed of magnetic steel, magnetic permeable ring, etc. The torque device rotor is also installed on the outer end cover to output DC control signals. The gyro shell consists of two outer end covers and a base to form a closed container. Inner width suspension. Both ends of the outer end cover are equipped with bellows components. It is used to compensate the volume change of floating liquid caused by temperature. The heating wire and the heat-sensitive components are composed of a temperature control component with a symmetrical distribution outside and inside. Used for gyro temperature control. The outer cover plays the role of magnetic shielding, protection and additional heat preservation.
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