The application belongs to the field of photovoltaic supports, and discloses a large-span flat single-axis tracking type flexible photovoltaic support system, which comprises a load-bearing cable system with a fishbone structure, wherein the load-bearing cable system. The application belongs to the field of photovoltaic supports, and discloses a large-span flat single-axis tracking type flexible photovoltaic support system, which comprises a load-bearing cable system with a fishbone structure, wherein the load-bearing cable system. The application belongs to the field of photovoltaic supports, and discloses a large-span flat single-axis tracking type flexible photovoltaic support system, which comprises a load-bearing cable system with a fishbone structure, wherein the load-bearing cable system comprises a first cable with a. The ground tracking bracket is suitable for installation in large commercial, public utility power stations, mountainous and uneven areas. The product has a sturdy structure and strong stability. The main accessories are made of carbon steel and are hot-dip galvanized orgalvanized magnesium. A flat single-axis tracking bracket, comprising upright columns and a main beam rotatably supported on the upright columns, and further comprising a driving unit, a pin, and an insertion part. It is well known that flat single-axis can significant y improve the radiation reception of photovoltaic modules. By automatically tracking the angle of direct sunlight from 10 to 85 degrees on a single axis, it helps maximize the use of. Single Axis Panel Independent Tracking System is driven by rotary motor, it can track the sunlight in real time and search for light intelligently. Comparing with thetraditional fixed bracket, the power generation can be increased by 10-15%. This system is suitable for multi scene large power.