PHOTOVOLTAIC TRACKER BUSHING AND PHOTOVOLTAIC TRACKER SHAFT SUPPORTING APPARATUS HAVING THE SAME

摘要

The present invention relates to a photovoltaic tracker bushing and a rotary shaft supporting apparatus of a photovoltaic tracker provided with the same. The present invention comprises a first half bushing and a second half bushing coupled to the first half bushing and forming a shaft insertion hole in the inside together with the first half bushing. The first half bushing includes: a circumference support curved surface having a semicircular shaped circumferential surface and having a curved surface; a first and a second horizontal contact surface extended horizontally from both side ends of the circumference support curved surface respectively; a plurality of shaft support surfaces extended to the circumference support curved surface to form a recess at end portions of inner sides of the horizontal contact surfaces; a coupling recess formed at the first horizontal contact surface; and a coupling protrusion formed at the second horizontal contact surface. The second half bushing has the same configuration as that of the first half bushing, and the coupling protrusion and the coupling recess of the first half bushing are coupled to the coupling recess and the coupling protrusion of the second half bushing respectively to make the shaft support surfaces of the first half bushing and second half bushings form the shaft insertion hole. The present invention enables the rotary shaft, which rotates a solar cell module(s), to perform self-alignment for adjusting tilted angle of the solar cell module(s), and reduces an amount of used materials and a manufacturing deformation as well as enhances structural strength for supporting the rotary shaft of the tracker.