High accuracy electric servo screws up axle

The utility model provides a high accuracy electric servo screws up axle, includes a torque sensor, and rachis next -door neighbour torque sensor sets up, and torque sensor, gear box, speed reducer, servo motor all link firmly through the bolt that sets up on the shell four corners of its adjacent structure, the last line output mouth that is provided with of torque sensor, the last line input mouth that is provided with of servo motor, torque sensor connects torque sensor 0 through the line output mouth, and torque sensor 0 connects servo motor by torque sensor 2 through the line input mouth, the square rachis of acrogenesis is worn out through servo motor from torque sensor to the dabber, the outside package of torque sensor has the shell, and the lantern ring lies in the shell, cup joints with the dabber, and lantern ring axial section becomes i -shaped, and both ends extend to the outside that circularize and bolt through the four corners links firmly rather than the shell of both sides structure, post tw