| 摘要 |
An arrangement (1) for secure transfer of a travelling trolley between a first and a second rail (3'; 3") in a hoisting system, the arrangement including: - a first and a second engagement means (11 ', 13") arranged to engage when the rails (3', 3") are aligned; - a third and a fourth engagement means (11 ", 13") arranged to engage when the rails (3', 3") are aligned; - a pivotable first stop (7') which in a closed position is arranged to form a barrier in the path of the trolley, and which is coupled with the first engagement means (11') such that the first stop (7') is pivoted out of the path of the trolley when the first and the second engagement means (11, 13") engage, such that the trolley can pass between the rails (3', 3"); - a pivotable second stop (7") which in a closed position is arranged to form a barrier in the path of the trolley, and which is coupled with the third engagement means (11 ') such that the second stop (7") is pivoted out of the path of the trolley when the third and the fourth engagement means (11 ", 13") engage, such that the trolley can pass between the rails (3', 3"). |
