Multi-stage energy absorption device with active protection function and energy absorption method

• Main Authors: SU KE, HANG HUIFENG, SHUI WENFEI, PAN DENG, LIU BICHENG, LUO BAO, LIU YONGQIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.09.2022
• Subjects: PERFORMING OPERATIONS; PREVENTING DERAILING OF RAIL VEHICLES; RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; RAILWAYS; TRANSPORTING; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES

The invention discloses an active protection multi-stage energy absorption device and an energy absorption method.The energy absorption device comprises an energy absorption element, a mounting plate and a cutting device mounted on the mounting plate and further comprises a guide driving device and a signal control device; the energy absorption element comprises an anti-creeper and a propelling energy absorption pipe connected to the anti-creeper. The guide driving device is provided with a cavity with an opening in one end, and one end of the propelling energy absorption pipe is arranged in the cavity of the guide driving device; the mounting plate is connected with the guide driving device in a sealing manner, and a cutting part of the cutting device is propped against the energy absorption element; and the signal control device is used for transmitting an emergency collision signal of the vehicle system to the guide driving device and driving the energy absorption element to pop up. By means of cutting ene