Rehabilitation training device capable of straightly moving forwards and backwards as well as upwards and downwards

The present invention discloses a back and forth, up and down linear motion healthy training device, comprising: a crank, a first link, second link, joined to the frame bar, rack, support; one end of a crank formed with a hinged gantry rotation vice, the other end of the first link end of the first sub rotatable hinge is formed, the end of the first link and the second link form a first end rotatably hinged sub, the first end of the second link ends pivotally connected to the rack bar forming the swivel joint, the end of the side link with the sub-frame articulation formed rotatably supporting eccentrically rotatably mounted on the base, supported by a worm drive is provided on the substrate is rotated; a crank provided on the main motion input on the rack the main drive shaft driven by the rotation; side link provided in the supplementary motor is rotated by the input shaft of the transmission driven by the auxiliary chassis; main transmission and the auxiliary transmission gear train are. Its simple and compact structure, wide range of applications, can be grafted onto other rehabilitation and fitness equipment.