Bilateral vibration-attenuation protection device of mining heavy-duty truck transmission shaft

The utility model provides a bilateral vibration-attenuation protection device of a mining heavy-duty truck transmission shaft. The device is installed on two sides of the truck transmission shaft for the formation of two protections, and mainly consists of a detachable protection ring, a protection frame and a base, wherein the detachable protection ring consists of two semi-circle rings which are fixed in an end-to-end joint way; according to the positions of the semi-circle rings, the detachable protection ring is divided into a lower ring of the protection ring and an upper ring of the protection ring; one end of the lower ring of the protection ring is fixedly arranged on the protection frame and the base; the other end of the lower ring of the protection ring is connected and fixed with the upper ring of the protection ring through a connecting piece; a protection space formed by the upper ring of the protection ring and the lower ring of the protection ring surrounds the truck transmission shaft; a cle