The present invention relates to a crop support pullout combined hitting mechanism. A support pullout mechanism (100a) is configured by mounting a connecting pipe (12&prime) with a female screw portion formed on the inner side on a lower end male screw portion (11&prime) of a through guide pipe (1) with male screw portions (11, 11&prime) formed on the upper and lower ends, mounting a compression spring (2) on the guide pipe (1), fastening and fixing, to a lower part of the connecting pipe (12&prime), a handle pipe (6) with a pressing lever (5) mounted on one side or both sides, inserting a hitting member (3) with a fastening protrusion (31) formed on the upper part above the compression spring (2) mounted on the guide pipe (1) such that the hitting member can be seated on the compression spring, and fastening and fixing the other connecting pipe (12) to the upper end male screw portion (11) of the guide pipe. The support pullout mechanism is used as a hitting mechanism (100b) by fastening and coupling a hitting unit (7) with a fastening screw portion (71) formed on the lower part to the connecting pipe (12) fastened to the upper end of the guide pipe (1) and fastening the lower end of a lifting pipe (4) with a hitting member (41) provided on an upper end to the fastening protrusion (31) of the hitting member (3). Therefore, the crop support pullout combined hitting mechanism can be used as the hitting mechanism (100b) or the hitting mechanism (100b) according to a selection of a user. According to the present invention as configured above, one article can be used for two purposes and objectives, thereby reducing a financial burden on farmers and being effectively used and stored.COPYRIGHT KIPO 2015본 발명은 작물 지주대 인발기 겸용 타격기구에 관한 것이다.구성에 있어서, 상 하단에 수나사부(11)(11)를 가진 관통된 안내관(1)의 하단 수나사부(11)에 내측에 암나사가 형성된 연결관(12)을 장착하고, 상기 안내관(1)에 압축스프링(2)을 끼워 안착시킴과 동시에 연결관(12) 하부에 일 측 또는 양 측면에 가압레버(5)가 장착된 손잡이관(6)을 체결 고정시키며, 안내관(1)에 끼워진 압축스프링(2) 위에 상부에 체결돌부(31)를 가진 타격뭉치(3)를 삽입 안착시킨 뒤, 안내관