Hoisting pulley device for flexible photovoltaic support construction and mounting structure of hoisting pulley device

The utility model discloses a hoisting pulley device for flexible photovoltaic support construction and a mounting structure thereof, the hoisting pulley device comprises a pulley support and a lifting rope pulley which is rotatably connected to the pulley support and used for supporting and allowing a lifting rope to bypass, the pulley support is of a straight rod type structure, two ends of the pulley support are bent structures used for hooking a steel strand, and the lifting rope pulley is connected with the pulley support. The axial direction of the lifting rope pulley is perpendicular to the axial direction of the pulley support. The hoisting pulley device is mounted on a steel strand of a flexible photovoltaic support through the pulley support, mounting and dismounting are very convenient, a hoisting structure is formed by the hoisting rope and the hoisting rope pulley, hoisting of a photovoltaic panel and a steel structure assembly is facilitated, and meanwhile stability, comfort and safety of worker