Long-distance disposal tool for fault of windscreen wiper of motor train unit

The utility model relates to the technical field of motor train unit windscreen wipers, in particular to a motor train unit windscreen wiper fault long-distance handling tool which comprises a long rod and a connecting piece, a grabbing handle is fixed at one end of the long rod, the connecting piece is fixed at the other end of the long rod, and a grabbing handle is arranged below the grabbing handle. A connecting pin and a torsion spring are arranged at the connecting position of the grabbing handles, the connecting pin is inserted into the grabbing handles in a penetrating mode, the torsion spring is installed on the connecting pin, a push-pull rod is installed on the grabbing handles, the other end of the push-pull rod is connected with a shear knife, and an assembling pin is installed at the connecting position of the shear knife and the push-pull rod. A limiting moving groove is formed in the connecting piece, and a connecting shaft is arranged at the joint of the connecting piece and the shear knife. T