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    • 11. 发明授权
    • Lubricating apparatus for conveyor chains
    • 输送链润滑装置
    • US4009764A
    • 1977-03-01
    • US602774
    • 1975-08-07
    • Henry F. Hafner
    • Henry F. Hafner
    • F16N7/02F16N7/30F16N7/38F16N13/22
    • F16N7/30F16N13/22F16N7/02F16N7/38
    • An apparatus for lubricating a chain has a follower bar which rides the rollers between the rows of chain links on each side of the chain, and accordingly maintains a predetermined lateral position with respect to the chain. Oil nozzles are carried by the follower bar and are directed toward the links. The nozzles are supplied with oil from a pneumatically operated ejector which is controlled by a fluidic control device including an air jet and a fluidic sensing unit aligned with the jet. The chain passes between the nozzle and the fluidic sensing unit and is positioned such that the rollers in it periodically interrupt or disperse the air jet so that the air jet at one instant passes through the chain and impinges on the sensing unit and at another instant is dispersed by a roller. The restoration of the air jet after it is dispersed is sensed by the sensing unit which directs a signal to the ejector, causing the ejector to discharge a metered amount of oil each time a roller passes through the air jet. The oil nozzles are positioned such that the oil so delivered flows onto the chain at locations where adjacent links in each row are joined.
    • 用于润滑链条的装置具有随动杆,该从动杆在链条的每一侧上的链条排之间滚动,因此相对于链条保持预定的横向位置。 油嘴由跟随杆承载并且被引向链节。 喷嘴由来自气动喷射器的油提供,该喷射器由流体控制装置控制,该流体控制装置包括空气射流和与射流对准的流体感测单元。 链条在喷嘴和流体感测单元之间通过并且定位成使得其中的辊周期性地中断或分散空气射流,使得空气射流在一瞬间通过链并撞击感测单元,并且在另一时刻是 用辊子分散 空气喷射器在分散后的恢复由感测单元感测,其将信号引导到喷射器,使得喷射器每当辊通过空气射流时排出计量的油。 油喷嘴被定位成使得如此输送的油在每行中的相邻连杆连接的位置处流到链上。