Stay-cable maintenance trolley based on parallel double cables

The utility model relates to a man carrying operating platform used for stay cable detection and maintenance in cable stayed bridge operation, in particular to a stay-cable maintenance trolley based on parallel double cables. The stay-cable maintenance trolley comprises a moving roller group arranged on a stay cable, a man carrying hung basket mechanism arranged below the moving roller groups, an anti-incline mechanism is arranged above the man carrying hung basket mechanism, and the man carrying hung basket mechanism is located on the outer side of the stay cable. The trolley is high in practicality and stability, rotation and overturning can be prevented, and the operating platform can be retained horizontally; two pairs of the vertical roller groups are connected through connecting rods, so that the wheel base between the two pairs of the roller groups is larger, and the roller groups, a vertically-connected hanging column and a support adjusting rod form a stable triangle, so that the trolley moving direc