A device for towing a fish trap according to the present invention comprises: a support installed on a ship a frame member installed on the support to be rotated a towing roller unit installed on the frame member, and towing a rope of the fish trap at least one guide roller installed on the frame member on the front surface of the towing roller unit, and guiding a towed rope and a driving unit for driving the towing roller unit. The towing roller unit comprises: a first plane unit installed on a frame to be rotated, and having facing parts formed in a central part thereof a first taper unit formed in an outward direction from the first plane unit a first towing roller member having a first rope support projection radially formed in an outward direction from the central part of the first taper unit a second plane unit installed on a frame at a side corresponding to the first towing roller member, and having facing parts formed in a central part thereof a second taper unit formed in an outward direction from the second plane unit a second towing roller member having a second rope support projection radially formed in an outward direction from the central part of the second taper unit at least one spacer installed between the first and second plane units of the first and second towing roller members to adjust an interval of the first and second towing roller members and a rope winding preventing member wrapping the spacer, disposed between the first and second towing roller members, having one side outwardly extended, and fixed to a frame.COPYRIGHT KIPO 2017본 발명에 따른 통발인양장치는 선박에 설치되는 재재대와 상기 지지대에 회전가능하게 설치되는 프레임부재와 상기 프레임부재에 설치되어 통발의 로프를 견인하기 위한 견인롤러유닛과 상기 견인롤러유닛의 전면의 프레임부재에 설치되어 견인되는 로프를 가이드하는 적어도 하나의 가이드 롤러와 상기 견인롤러유닛를 구동시키는 구동부를 구비하며, 상기 견인롤러유닛은 상기 프레임에 회전가능하게 설치되며 상호 대향되는 부위는 중앙부에 형성된 제1평면부와, 상기 제1평면부로부터 외측방향으로 형성된 제1테이퍼부와, 상기 제 1테이퍼부에 중앙부로부터 외측방향으로 방사상으로 형성되는 제1로프지지돌기가 형성된 제 1견인롤러부재와, 상기 제 1견인롤러부재와 대응되는 측의 프레임에 회전가능하게 설치되며 상호 대향되는 부위는 중앙부에 형성된 제2평면부와, 상기 제2평면부로부터
