Lubricating device capable of prolonging service life of travelling crane wheel

The utility model relates to the field of lubricating equipment, in particular to a lubricating device capable of prolonging the service life of a travelling crane wheel, and the travelling crane wheel is arranged on a travelling crane end beam. The lubricating device comprises an oil coating mechanism connected to the travelling crane end beam, and the oil coating mechanism is connected with an oil supply mechanism. The oil coating mechanism comprises an oil coating part; the oil coating part comprises an oil coating roller, and the oil coating roller is connected to the end beam of the travelling crane; the oiling roller is obliquely arranged; the oil supply mechanism comprises a lubricating oil pump; the lubricating oil pump is connected with the oil coating mechanism through a lubricating oil pipe; the utility model discloses a lubricating device capable of prolonging the service life of a travelling crane wheel, which is characterized in that the arrangement position of an oil coating roller is limited,