Combine's lower sword device

The utility model relates to a full feeding combine especially relates to a combine's lower sword device, include lower sword transmission and the lower cutting knife subassembly of being connected with lower sword transmission, wherein descend sword transmission to install in the frame of chassis, the sword device is installed in chassis frame (711) down: install casting plummer block housing (832b) at the front end of chassis frame connecting pipe (711a), casting plummer block housing (832b) is installed to the left end of chassis frame connecting pipe two (711b), connects sword transmission shaft (832c) down between the two casting plummer block housings (832b), and lower sword support (832g) is installed under on the sword transmission shaft (832c), and chain piece (832d) is installed to sword transmission shaft (832c) high order end under, the chain piece is connected with lower cutting knife subassembly. The utility model discloses an add chain piece (832d) on the reversing device to thereby guarantee the same emergence of eliminating intermittent type nature resonance phenomenon of sword rotational speed from top to bottom, prolonged combine's life, guaranteed the performance of reaping.