Anti-fracture ditching tooth

The utility model discloses an anti-fracture trenching tooth, relates to the trenching tooth technical field, including chain and hinge joint in the installation block of chain both sides, the top of installation block is provided with trenching tooth, and the both sides of trenching tooth bottom are fixed with L-shaped plate, and L-shaped plate are inverted, and the bottom of two L-shaped plate opposite side is fixed with the horizontal cardboard, and the horizontal cardboard is fixed with the horizontal cardboard. Transverse clamping grooves allowing the corresponding transverse clamping plates to slide are formed in the two sides of the tops of the mounting blocks correspondingly, two first sliding grooves are formed in the sides, away from each other, of the two mounting blocks correspondingly, longitudinal clamping plates are slidably connected into the first sliding grooves, and the tops of the longitudinal clamping plates penetrate through the mounting blocks, are slidably connected with the mounting b