The utility model discloses a high voltage transmission lines overhauls special cloud platform, including horizontal support board, vertical support plate with can be fixed in the fixing base on telescopic insulator spindle top, the lower surface of horizontal support board is fixed in to vertical support plate's upper end, and vertical support plate lower extreme and fixing base to be in order can being connected by spacing mode rotation, be provided with on the horizontal support board and be used for the fixed mounting at the camera device of horizontal support board upper surface of placing, upper surface through the horizontal support board directly support in camera device's bottom surface and through the mounting with the stable horizontal support board that is fixed in of camera device, guarantee camera device's stability, avoid camera device easily to drop or rock to vertical support plate can rotate back and fixed for the fixing base, guarantees that camera device's shooting angle is adjustable, does benefit to increase camera device's covering power, assurance equipment, the no blind spot of high -voltage line monitoring, and simple structure, convenient operation, low cost.