Obstacle removing and energy absorbing device and leading car of motor train unit
US9409580B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2014 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Sep 12, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F19/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
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).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.