Torque adjustable overload prevention shaft transmission mechanism

Abstract

The invention discloses a torque adjustable overload prevention shaft transmission mechanism which comprises a driving shaft, a shaft bushing, a tacking screw, a spring, a bearing, a driving shaft pin, a sliding sleeve, driven shaft pins and a driven shaft; the driven shaft is matched with a shaft hole of the driving shaft; the shaft bushing is fixedly connected with the driving shaft through the tacking screw; the spring and the bearing are arranged on the driving shaft in a sleeving manner; the sliding sleeve is arranged on the external circumference surfaces of the driving shaft and the driven shaft simultaneously; the driving shaft pin is clamped at a raised part of a convex groove of the sliding sleeve and is fixedly connected with the driving shaft; the driven shaft pins are clamped at the bottom of a concave groove of the sliding sleeve and is fixedly connected with the driven shaft; and the sliding sleeve and the driven shaft pins are axially compressed through the shaft bushing, the spring and the bearing. With the utilization of the interaction among notches in the sliding sleeve, the driving shaft pin, the driven shaft pins and the spring, the automatic disengaging function during shaft transmission and shaft transmission overload and the shaft transmission automatic connection function after the overload is removed are realized, no human interference is required, the torque adjustable overload prevention shaft transmission mechanism can be used for overload prevention repeatedly, and torque can be set simply by adjusting the compression amount of the spring.

Description

technical field [0001] The invention belongs to the technical field of mechanical transmission, and in particular relates to a mechanism for shaft transmission with overload prevention and simple torque adjustment. Background technique [0002] The two shafts (driving shaft and driven shaft) in different mechanisms in the mechanical device make them rotate together to transmit the speed and torque. The device used is generally a coupling or a coupling sleeve. In actual use, the driving shaft is generally It is the drive output shaft, such as the output shaft of the reducer or the motor shaft, and the driven shaft is the input shaft of the driven equipment. In shaft transmission applications, the phenomenon of overload of the driven equipment often occurs, that is, the load of the driven equipment suddenly increases. At this time, forced driving is likely to cause failure of the driving equipment or the driven equipment and cause accidents, such as motor burnout, drive shaft ...

AI Technical Summary

Problems solved by technology

[0006] 3. The adjustment torque of the above couplings needs to be disassembled to different degrees to complete the device. Once the anti-overload function takes effect, the above couplings cannot automatically return to the normal initial state, requiring human intervention. After one installation, the anti-overload function Can not be reused multiple times

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