OBSTACLE REMOVING AND ENERGY ABSORBING DEVICE AND LEADING CAR OF MOTOR TRAIN UNIT

摘要

An obstacle removing and energy absorbing device provided with an obstacle removing beam (6) and a bumper cross-beam (15) which are oppositely arranged, an energy-absorbing tube assembly with an energy-absorbing tube (9) is fixedly connected between the obstacle removing beam (6) and the bumper cross-beam (15), a mounting base (8) is fixedly connected with one end of the energy-absorbing tube (9), a crushing support (13) is threaded onto the other end of the energy-absorbing tube (9), the crushing support (13) is provided with a variable-diameter through-hole, a crushing-convex portion (20) is provided in the variable-diameter through-hole, a concave portion (21) matched with the crushing-convex portion (20) is arranged at an end portion where the energy-absorbing tube (9) is penetrated into the crushing support (13), the mounting base (8) is fixedly connected with the obstacle removing beam (6), the crushing support (13) is fixedly connected with the bumper cross-beam (15).

主权项

1. An obstacle removing and energy absorbing device, characterized by comprising an obstacle removing beam and a bumper cross-beam which are oppositely arranged, an energy absorbing tube assembly with an energy absorbing tube is fixedly connected between the obstacle removing beam and the bumper cross-beam, a mounting base is fixedly connected with one end of the energy absorbing tube, while a crushing support is threaded onto the other end of the energy absorbing tube, the crushing support is provided with a variable-diameter through-hole, a crushing convex portion is provided in the variable-diameter through-hole, a concave portion matched with the crushing convex portion is arranged at an end portion where the energy absorbing tube is penetrated into the crushing support, the mounting base is fixedly connected with the obstacle removing beam, and the crushing support is fixedly connected with the bumper cross-beam.