a constant direction four quadrant lift type vertical shaft wind power generator is provided , which includes a truss - type wind wheel formed by an upper wind disc , a lower wind disc , and supporting rods ; a speeder ; and a generator , in which the wind wheel and the speeder are sleeved on a central shaft , several groups of vanes are perpendicularly arranged at a diametral top end of the wind wheel by their respective pivots , the wind wheel and the vanes are disposed at an upper end of the equipment , and the generator , the speeder , and a controller are disposed at a bottom of the equipment . the wind power generator can be conveniently installed , operated , and maintained .