The invention relates to a locking mechanism of a railway freight car, in particular to a locking device arranged on a lower side door of a rail freight gondola car.
本发明涉及一种铁路货车锁闭机构，特别是涉及一种铁路货运敞车下侧门的锁闭装置。
2
Printing unit employs rail sliding, pneumatic locking, manual switch and convenient adjustment.