Tension force stepless adjustment counterweight power generating mechanism and fitness equipment with the same

A tension force stepless adjustment counterweight power generating mechanism, comprising a pulling rope, a winding drum, a mounting seat, a central shaft, a spring, a generator, and a regulator;

• one end of the pulling rope is connected to the winding drum;
• a part of the pulling rope is wound on an outer peripheral wall of the winding drum;
• the winding drum is rotatably connected to the mounting seat;
• an outer end of the spring is connected to the winding drum, and an inner end thereof is connected to the mounting seat;
• the central shaft is rotatably arranged on the mounting seat;
• the winding drum is unidirectionally rotatably sleeved on the central shaft so that when the pulling rope drives the winding drum to rotate, the central shaft rotates with the winding drum and the spring is wound up at the same time;
• the central shaft is connected to a motor shaft of the generator;
• the regulator is connected to the generator;
• wherein a one-way bearing is provided between the winding drum and the central shaft;
• and an end surface of one axial end of the winding drum is recessed inwardly along the axial direction of the winding drum to form an annular first step groove;
• the groove surface of the first step groove is recessed inwardly along the axial direction of the winding drum to form an annular second step groove;
• the groove surface of the second step groove is recessed inwardly along the axial direction of the winding drum to form an annular third step groove;
• the spring is arranged in the first step groove;
• the one-way bearing is arranged in the second step groove and is sleeved on the central shaft;
• a first rolling bearing is arranged in the third step groove and is sleeved on the central shaft.