The pedal-type wheelchair according to the present invention comprises: a main frame module 100 that enables firm seating of the seat in a state of forming the basic frame of the wheelchair; A wheel frame module 200 coupled to a lower side of the main frame module 100; A seat frame 300 having a structure capable of sliding and adjusting a backrest according to the front and rear directions in a state mounted on the main frame module 100; A power generation unit 400 for generating power using a driving force using a lower body of a user in a state coupled to the front end of the wheel frame module 200; And a reinforcing bracket 500 installed to support the seat frame 300 in a state disposed across the main frame 110 constituting the main frame module 100. Including, the wheel frame module 200 In a state arranged in the front-rear direction on the lower part of the main frame 110, the wheel frame body 210 and the wheel frame body 210 in which the steering wheel 270 is coupled to the rear end are in both directions. It includes a wheel frame wing 220 connected to the auxiliary wheel 260 in an extended state, and the power generation unit 400 includes a crank arm 410 having pedals 420 formed at both ends, and the wheel frame body ( Power transmission means consisting of a crank shaft 430, a crank shaft 430 coupled through the crank connector 211 formed at the front end of 210, a chain or belt for transmitting the rotation of the crank arm 410 to the shaft of the main wheel 250 ( 440), the pedal 420 is used to move and exercise simultaneously, and at the same time, the seat can be moved in the front and rear direction through the seat driven in a rail manner, and the backrest of the seat can be adjusted. do.본 발명에 따른 페달형 휠체어는 휠체어의 기본 골조를 이룬 상태에서 시트의 견고한 안착을 가능하게 하는 메인 프레임 모듈(100); 상기 메인 프레임 모듈(100)의 하측에 결합되는 휠 프레임 모듈(200); 상기 메인 프레임 모듈(100)에 장착된 상태에서 전후 방향에 따른 슬라이딩 및 등받이 조절이 가능한 구조를 갖는 시트 프레임(300); 상기 휠 프레임 모듈(200)의 전단에 결합된 상태에서 사용자의 하체를 이용한 구동력을 이용하여 동력을 발생하게 하는 동력 발생부(4