Multifunctional rotary cultivator

The utility model discloses a multifunctional rotary cultivator which comprises a rotary cultivator gear box, a transmission case integrated with the gear box into a whole, and a rotary knife shaft installed on the output shaft of the transmission case of the rotary cultivator. The rotary knife shaft and the output shaft of the transmission case are in dismountable connection. The output shaft of the transmission case outputs at both ends and can be connected with rotary knife shafts of different length. The rotary knife shaft can be divided into a right and left knife shafts respectively installed on both sides of the output shaft of the transmission case. A rotary knife protecting cover comprises a flank protecting cover and an end face protecting cover. The flank protecting cover is fixedly connected with the end face protecting cover through an adjusting device which can adjust the distance between the two end face protecting cover. Thus, different rotary knife shafts of the rotary cultivator can be replaced according to different tilling width, and the flank protecting cover and the end face protecting cover can be adjusted in order to ensure the safety and normal work of the rotary cultivator. The utility model has the advantages of simple structure and broad application.