Wear-resisting welt of mine breaker

The utility model discloses a wear-resisting welt of mine breaker, including breaker shell, welt gland, nut, bolt, bolt head, welt, enhancement strip and bolt head couple, welt one side is equipped with two bellied bolt head couples, the welt left surface is equipped with strengthens the strip, the welt right side is equipped with the breaker shell, the bolt head sets up in the bolt head couple, is equipped with the welt gland outside the bolt head couple, the bolt head even has the bolt, be equipped with the nut on the bolt in the welt gland outside, the utility model discloses the life of welt has greatly been prolonged. And this kind of two bolt heads couple has shared the atress of welt, does not also need in addition frequently to change the welt, so effectively practiced thrift manufacturing cost, has improved the production efficiency of machine, has reduced manufacturing cost.