| 摘要 |
The invention relates to an apparatus for portional ejection of lubricant for lubrication of railway rails, comprising a tank (1) for lubricant, a dosage pump (8) driven by an operating unit (9), a nozzle, and a control unit for actuation of the operating unit. …<??>The novelty resides in that the operating unit (9) of the dosage pump (8) consists of an electromagnet (20) including a movable armature (22) the movement of which acts upon an ejector piston (17) in the dosage pump (8) and that a connecting means (18, 19, 28, 24, 30) is provided between the movable armature (22) of the electromagnet (20) and said ejector piston, said connecting means establishing a power-transmitting connection only after a predetermined distance of displacement of the armature (22). |
