Track shoe pad assembly and insert element structure of track rubber pad

A track shoe pad assembly, which is locked and connected to a track chain of a caterpillar vehicle, and the track shoe pad assembly comprising:

• a track shoe plate configured to lock and connect to the track chain, wherein the track shoe plate comprises at least one notch and at least two first through holes, each of the at least two first through holes is passed through and disposed on the at least one notch;
• and
• an insert element structure of a track rubber pad connected with the track shoe plate, and comprising:
• a rubber pad detachably connected to the track shoe plate, one side of the rubber pad comprising at least one projection, the at least one projection correspondingly embedded to the at least one notch of the track shoe plate, and each of two ends of the at least one projection comprising at least one cavity;
• at least one insert element, each of two ends of the at least one insert element comprising at least one hole, the at least one insert element cladded in the at least one projection of the rubber pad, and each of the holes of the at least one insert element coaxially disposed with each of the cavities of the at least one projection, and corresponding to each of the at least two first through holes;
• and
• at least two fasteners, each of the at least two fasteners passed through and disposed in each of the holes of the at least one insert element, and each of the at least two fasteners comprising:
• an abutting portion disposed on one side of each of the at least two fasteners, the abutting portion located between the at least one insert element and the rubber pad;
• an opening portion disposed on the other side of each of the at least two fasteners, and corresponding to each of the holes of the at least one insert element;
• and
• a threaded portion disposed on an inner wall of each of the at least two fasteners.