• The structure composition method of operation and the feature of the hydraulic climbing scaffolds is described, which are lifted by hydraulic screw jacks with load.

    介绍利用穿心升降液压千斤顶做提升动力液压结构构造操作方法及其特点

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  • Screw jacks are put on the seat pads and adjusted to the same height using a leveling instrument. Then the screw jacks shall be fixed tightly and their positions recorded.

    按图纸标高,用水准仪校准统一高度,按位置记录并收紧螺纹千斤顶

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  • Remove the transport seat pads when the engine is shifted on the engine base, install the line plate baseboard, and place the screw jacks according to the installation position.

    主机放到机座拆除运输底座安装线条底板,将螺丝千斤顶安装位置安放,将主机按坐标标高就位离地面100 mm。

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  • In connection with an engineering example, this paper introduces the application of a novel active roof-propping technique which uses umbrella-shaped braces and screw jacks for active propping.

    工程中采用了新颖伞型支撑技术,并利用螺旋式千斤顶进行主动支顶。

    youdao

  • The main-beams of the lower deck had to be shored with screw-jacks forthwith.

    下层甲板主梁必须立即用螺旋千斤顶进行支撑

    youdao

  • The main-beams of the lower deck had to be shored with screw-jacks forthwith.

    下层甲板主梁必须立即用螺旋千斤顶进行支撑

    youdao

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