| 摘要 |
PROBLEM TO BE SOLVED: To provide an emergency fastening device for vehicle track using ladder type sleeper that repairs bolt breakage by carrying out construction at a bolt broken part without replacing a ladder type sleeper. SOLUTION: The emergency fastening device comprises a fastening piece comprising: a base plate 2 which has means for fixing a rail to an upper surface and is inserted between the rail and a longitudinal sleeper; and means for fixing the base plate 2 to the longitudinal sleeper 22. As an embodiment, the device comprises a pair of fastening pieces 1, 1a, and the fastening pieces 1, 1a each comprises: a base plate 2 which is inserted between a rail 21 and a longitudinal sleeper 22; means 7 of fixing the base plate 2 to the longitudinal sleeper 22; rail fixing means 15-18 installed on the base plate 2; and a coupling lever 4 which has a connection plate 3 atop, and extends horizontally from the base plate 2. The pair of fastening pieces 1, 1 have connection plates 3 connected to each other with an insulator 5 interposed between them, and are fixed over between longitudinal rails 22. COPYRIGHT: (C)2013,JPO&INPIT |
