Patent ID: 8302751

Claim:
A driving system for a belt axis of a winch positioned at an extension end of the belt axis on one side of a winch support, comprising: a fixed base and a rotary body, in which the fixed base is connected to the extension end of the belt axis via a connection means, an inner end of the rotary body is set on the fixed base, and an insertion pore is positioned at an outer end of the rotary body, characterized in that a spring is provided between the rotary body and the fixed base, an inner end face of the rotary body is attached to an outer end face of the fixed base under the action of the spring, a one-way clutch mechanism is disposed between the inner end face of the rotary body and the outer end face of the fixed base which is formed by engagement of one-way gear teeth on a surface of the rotary body or the fixed base; and a projected spring post is provided at one end of the fixed base, a projected shoulder is placed at one end of the spring post, and the spring is covered on the spring post and both ends of the spring are pressed against the inner end of the rotary body and the shoulder respectively; wherein the rotary body is capable of driving the fixed base to rotate therewith only when it runs in one direction by way of the one-way clutch mechanism.