Crawler excavator guide wheel with high wear resistance

The utility model relates to the technical field of engineering machinery, and provides a crawler excavator guide wheel which is long in service life, stable in operation and high in abrasion resistance, and comprises a guide wheel body and a guide wheel shaft which is arranged in the center of the guide wheel body in a penetrating mode and used for fixing the guide wheel body. The guide wheel body comprises a wheel body and a penetrating groove formed in the center of the wheel body and used for arranging a guide wheel shaft, and a telescopic crawler belt connecting structure used for being connected with a crawler belt in a buckled mode is further embedded in the outer wall of the wheel body. The telescopic crawler belt connecting structure comprises a sliding block embedded in the outer wall of the wheel body and a sliding connecting column arranged in the sliding block in a sliding mode and used for being connected with a crawler belt in a buckled mode, and outer supporting structures are further arranged