Gear sensing device for automatic gearbox
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The utility model relates to a gear sensing device for an automatic gearbox. The gear sensing device comprises a gear sensor and a gearshift shaft, wherein the gear sensor and the gearshift shaft are in transmission connection. A gearshift draw arm is connected to the gearshift shaft. A coaxial conversion sleeve is arranged between the gear sensor and the gearshift shaft. A locking nut is arranged between the coaxial conversion sleeve and the gearshift draw arm. When the gearshift draw arm is rotated, the gearshift shaft rotates along with the rotation of the gearshift draw arm. The coaxial conversion sleeve feeds back a rotation signal to the gear sensor in an angle mode. The gear sensing device can measure the rotation angle of the gearshift gear accurately and reflect gear changes more accurately, is not disturbed by external environment and is simple in structure.