Switch drive for railroad track in tunnel constructions site, has drive motor, adjusting force confinement clutch and gear boxes extended to be stored independently of actuating rod in housing and without removing actuator rod

摘要

The drive has a drive motor (5) and gear boxes (7.1, 7.2) that are connected with a control rod over an adjusting force confinement clutch (6) for movement into one of end positions. The drive motor, the adjusting force confinement clutch and gear boxes are supported on a pack frame, which are extended to be stored independently of an actuating rod (8) in a housing (4) and without removing the actuator rod. A locking block is fixed on the adjusting rod by a penetrating locking pin.