Double-manipulator ultrasonic double-wheel flaw detector for railway vehicle

The invention relates to the related technical field of flaw detection machines, and provides a double-manipulator rail vehicle ultrasonic double-wheel flaw detection machine which comprises a flaw detection machine body and a double-wheel mechanism, and the double-wheel mechanism comprises a power bin, walking wheels, a rail groove, an extension plate, a supporting column, auxiliary wheels, a limiting rod and a balancing weight. A flaw detection machine auxiliary unit is mounted on the outer side surface of the flaw detection machine main body, a flaw detection machine battery bin is fixedly connected to the outer side surface of the flaw detection machine main body, a flaw detection machine base is fixedly connected to the top of the flaw detection machine main body, and a double-manipulator mechanism is arranged on the outer side surface of the flaw detection machine main body; a double-wheel mechanism is arranged at the bottom of the flaw detection machine base, the double-mechanical-arm mechanism accurat