A release device (100) for quickly releasing a connecting rod (220) and a rotation arm (210) mated with the release device, the release device comprising: a longitudinal sliding block (110) provided with a sliding area on a first surface thereof, and a first transverse sliding block (120), a second transverse sliding block (140), and a middle rod (130) all disposed in the sliding area the first transverse sliding block (120) and the second transverse sliding block (140) are disposed at the two ends of the middle rod (130) and connected therewith the longitudinal sliding block (110) has a sliding groove (112) disposed along the longitudinal direction thereof for receiving the rotation arm (210) the first transverse sliding block (120) and the second transverse sliding block (140) have receiving grooves (122, 142) disposed along the transverse direction of the longitudinal sliding block (110) for receiving the connecting rod (220) the first transverse sliding block (120) and the second transverse sliding block (140) reciprocate within the sliding area relative to the longitudinal sliding block (110) when the first transverse sliding block (120) and the second transverse sliding block (140) move to a first position, the receiving grooves (122, 142) are shadowed by the longitudinal sliding block (110), and the connecting rod (220) is received within the receiving groove (122, 142) when the first transverse sliding block (120) and the second transverse sliding block (140) move to a second position, the receiving grooves (122, 142) are exposed from the longitudinal sliding block (110), and the connecting rod (220) is released outside the receiving grooves (122,142).Linvention porte sur un dispositif de dégagement (100) destiné à dégager rapidement une bielle (220) et un bras rotatif (210) accouplé au dispositif de dégagement. Le dispositif de dégagement comprenant : un bloc coulissant longitudinal (110), muni dune zone de coulissement sur une première surface, et un premi
