Y-shaped heavy-duty gear device of new energy locomotive

The utility model discloses a Y-shaped heavy-duty gear device of a new energy locomotive, which is characterized by comprising a gear box, a left oblique gear set, a right oblique gear set and a longitudinal gear set, and the left oblique gear set, the right oblique gear set and the longitudinal gear set are arranged in the gear box and form a Y-shaped structure. The left oblique gear set and the right oblique gear set are both connected with traction motors, the longitudinal gear set is further connected with an auxiliary mechanism, the auxiliary mechanism comprises a standby motor, a torque sensor, a controller and a pushing assembly, the torque sensor, the standby motor and the pushing assembly are all coupled with the controller, the torque sensor is connected with the longitudinal gear set, and the controller is connected with the controller. The pushing assembly is connected with the standby motor, and pushes the standby motor to be matched with the longitudinal gear set when receiving a pushing signal