Large excavator track guard device

The utility model discloses a large excavator track guard device belongs to engineering machine tool field. The device includes gusset between side guard plate, preceding baffle, baffle, back baffle,back gusset and antifriction plate. Guard device bilateral symmetry arranges and welds to the subassembly, the guard device welding just is located the space department between drive wheel and the thrust wheel on the longeron bottom plate of chassis. The utility model discloses a track guard device prevents effectively that earth bulky slightly or rubble from entering into the meshing region between track and the thrust wheel to alleviate earth, rubble to the wearing and tearing of track and thrust wheel mating surface, also can effectually prevent that excavator track space department betweendrive wheel and thrust wheel when backing a car from piling up simultaneously, the perk also or backward extrusion produce to interfere and lead to fracture failure, improve the operational environment of track and thrust whe