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    • 1. 发明授权
    • Engine lifting method and tool
    • 发动机提升方法和工具
    • US4940271A
    • 1990-07-10
    • US305739
    • 1989-02-02
    • Thomas J. Steffes
    • Thomas J. Steffes
    • B66C1/62
    • B66C1/107B66C1/62
    • In an internal combustion engine having a cylinder head, a head cover over the cylinder head, a plurality of studs extending upwardly from the cylinder head within the head cover, and a plurality of head cover bolts extending through respective apertures in the top of the head cover and threadingly engaging respective studs to mount the head cover to the cylinder head, a lifting method and tool are provided wherein one or more of the head cover bolts are removed and temporarily replaced by one or more respective tools each having a lower threaded portion threadingly engaging a respective stud, and an upper hook portion above the head cover for engagement by lifting apparatus for lifting the engine. Particular tool structure is disclosed, as well as various lifting techniques facilitated thereby, including balance point lifting, nonbalance lifting, double anchor lifting and triangulation lifting.
    • 在具有气缸盖的内燃机中,气缸盖上的头盖,从头盖内的气缸盖向上延伸的多个螺柱,以及多个头盖螺栓,其通过头部顶部的相应孔延伸 盖和螺纹地接合相应的螺柱以将头盖安装到气缸盖上,提供提升方法和工具,其中一个或多个头盖螺栓被移除并临时由一个或多个相应的工具替代,每个工具具有螺纹部分 接合相应的螺柱和头部盖上方的上钩部分,用于通过用于提升发动机的提升装置进行接合。 公开了特定的工具结构,以及由此促进的各种提升技术,包括平衡点提升,不平衡提升,双锚提升和三角测量提升。