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    • 2. 发明授权
    • Truss lifting apparatus and process
    • 桁架提升装置及工艺
    • US09102504B1
    • 2015-08-11
    • US14533173
    • 2014-11-05
    • Robert D FinfrockAllen R Finfrock
    • Robert D FinfrockAllen R Finfrock
    • B66C1/00B66C1/28
    • B66C1/62
    • A truss lifting process and apparatus for coupling a lifting truss to a load to be lifted especially for lifting a large prefabricated concrete panel in the making of a dual panel truss having a pair of spaced apart concrete panels. A lifting truss has a plurality of spaced hydraulic cylinders hanging therefrom with each hydraulic cylinder having a grappling hook attached thereto for attaching to an attachment member on an object to be lifted. The plurality of hydraulic cylinders are actuated simultaneously to pull each coupled grappling hook and attachment member taut and then locked for the lifting truss to lift the attached object.
    • 一种用于将提升桁架耦合到待提升的负载的桁架提升过程和装置,特别是用于在制造具有一对间隔开的混凝土板的双板桁架时提起大型预制混凝土板。 提升桁架具有多个间隔开的液压缸,每个液压缸具有附接到其上的抓钩,用于附接到待提升物体上的附接构件。 多个液压缸被同时致动以拉动每个联接的抓钩和附接构件拉紧,然后锁定用于提升桁架以提升附接的物体。
    • 6. 发明授权
    • Method of making a dual panel composite truss
    • 制造双面板复合桁架的方法
    • US08763333B1
    • 2014-07-01
    • US13957960
    • 2013-08-02
    • Robert D FinfrockAllen R FinfrockDaniel FinfrockDonald Booker
    • Robert D FinfrockAllen R FinfrockDaniel FinfrockDonald Booker
    • E04B2/00
    • E04C3/293E04B5/29E04C2003/0413
    • This invention relates to a method of making a dual panel composite truss having a pair of spaced apart prestressed concrete panels. The process includes assembling a truss frame, which includes connecting a plurality of steel posts and bent rod truss members and reinforcing rods and lifting and placing the assembled truss frame in a panel form for pouring a first prestressed concrete panel on one side of the truss frame. The truss frame with the first concrete panel is then stripped, lifted and placed on a turntable and turned to place the other side of the truss frame in the panel form for pouring a second concrete panel, to form a dual panel composite truss having parallel spaced prestressed concrete panels.
    • 本发明涉及一种制造具有一对间隔开的预应力混凝土板的双层复合桁架的方法。 该方法包括组装桁架框架,其包括连接多个钢柱和弯杆桁架构件和加强杆,并将组装的桁架框架提升和放置成板形,用于将桁架框架的一侧上的第一预应力混凝土板浇注 。 然后将具有第一混凝土面板的桁架框架剥离,提起并放置在转台上并转动以将桁架框架的另一侧放置成用于倾倒第二混凝土板的面板形式,以形成具有平行间隔的双面复合桁架 预应力混凝土板。