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1. 发明授权

US07000900B1 Hydraulically powered reel lift 失效
标题翻译：液压动力卷轴提升
公开(公告)号：US07000900B1
公开(公告)日：2006-02-21
申请号：US10754974
申请日：2004-01-09
申请人： Robert D. McKenney , Francis Stewart , Terry Hawkins
发明人： Robert D. McKenney , Francis Stewart , Terry Hawkins
IPC分类号： B60P1/48
CPC分类号： B66F3/08 , B65H49/32 , B65H49/325 , B66F7/0641 , B66F7/08
摘要： A portable reel jack for supporting and lifting large spools of heavy cable, wire and the like includes a hydraulic lift with an extendable piston rod. A stanchion that is pivotally connected to the piston rod carries a spool support and remains vertically oriented during movement of the piston rod relative to the cylinder. Moreover, when the piston rod moves vertically away from the base in a lifting motion, then the stanchion moves laterally away from the hydraulic cylinder. As the spool is being lifted off of the ground by the hydraulic jack, the load-bearing location of the rod that carries the spool moves increasingly farther away from where the operator is standing to operate the lifting action of the portable reel jack. Additionally, the spool support has the flexibility of three different height elevations for carrying the rod on which the spool is in turn carried. This three-tiered configuration permits the operator to select the lowest possible support position for the rod and thus enables the vertical movement of the jack's piston rod to be minimized for a spool of any given circumference.
摘要翻译：用于支撑和提升重型电缆，电线等的大型线轴的便携式卷轴千斤顶包括具有可伸缩活塞杆的液压升降机。枢转地连接到活塞杆的支柱承载卷轴支撑并且在活塞杆相对于气缸的运动期间保持垂直定向。此外，当活塞杆在升降运动中从基座垂直移动时，支柱横向移动离开液压缸。当阀芯通过液压千斤顶被抬离地面时，承载卷轴的杆的承载位置越来越远离操作者站立以操作便携式卷轴千斤顶的提升动作。此外，卷筒支撑件具有三个不同的高度高度的灵活性，用于承载在其上承载线轴的杆。这种三层构造允许操作者选择杆的最低可能的支撑位置，从而使得千斤顶的活塞杆的垂直运动能够最小化为任何给定周长的线轴。

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