Let's talk about the self-locking mechanism of the speed differential

Many people do not fully understand why the anti fall device can achieve self-locking when quickly pulled out, but does not trigger the self-locking device when slowly and uniformly pulled out. They have a high enthusiasm for learning. Today, Guanhang will briefly talk about the self-locking mechanism of anti fall devices.

The anti fall device, also known as the differential device, better reflects its self-locking mechanism. Next, we will replace the anti fall device with the name of the differential device. The key to self-locking of a differential lies in the word "differential". When we apply a sudden acceleration to the differential to change speed, the eccentric cam inside it will accelerate and rotate, and under the action of centrifugal force, the pawl will be thrown out. At the same time, the pawl and ratchet will instantly bite together and stop rotating.

This self-locking state always exists under the continuous application of gravity until the load is released, and the self-locking state will completely disappear. This is the working principle of the differential and the focus of the self-locking mechanism.