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    • 26. 发明申请
    • Power busbar connection tool
    • US20200028344A1
    • 2020-01-23
    • US16499280
    • 2017-06-08
    • Gong Zhu
    • Gong Zhu
    • H02G5/00H01R25/16H01R13/514H01R43/26
    • The invention relates to an electric device, especially to a power busbar connection tool, said tool comprises an electric motor drive unit, an electric control unit, a stationary portion removably connects to a busbar, a movable portion removably connects to a busbar and a loading portion for clamping connecting rods. Said movable portion is movably connected to a first and second stationary shaft of said stationary portion, said movable portion is connected to a movable shaft by a screw pair, said movable portion is fixedly connected to said electric motor drive unit, said movable shaft is driven to rotate around its axis by said electric motor drive unit, said loading portion is movably connected to said second stationary shaft and slides between a body of said stationary portion and a body of said movable portion, said loading portion rotates around said second stationary shaft. It is achieved that a plurality of connecting rods are simultaneously mounted to busbars and that two busbars are connected in a form of butt-and-butt connecting.
    • 28. 发明授权
    • Connecting rod
    • US10367316B2
    • 2019-07-30
    • US15920472
    • 2018-03-14
    • Gong Zhu
    • Gong Zhu
    • H01R25/16H01R4/42H01R4/00H01R4/62H01F27/29H01R25/14H01R4/36H01R11/28
    • The invention relates to an electric device, especially to a connecting rod, said connecting rod comprises a conductive first column portion that has an interference fit with a busbar, said first column portion axially arranges a conductive second column portion which has an interference fit with said first column portion, said second column portion is located inside of said first column portion, a thermal expansion coefficient of said second column portion is greater than that of said first column portion. Said transformer has such advantageous effects, 1. the same overlapping length increases more conductive surface for reducing a current density to achieve low temperature rising of connecting part; 2. amount of material is reduced and save the social source; 3. the electric clearance or safety distance is increased, an electric safety of device is also increased; 4. a width of a connecting part is reduced, an occupation space of transformer is also reduced.
    • 30. 发明申请
    • Tool used for connecting busbars
    • US20180294611A1
    • 2018-10-11
    • US15919241
    • 2018-03-13
    • Gong Zhu
    • Gong Zhu
    • H01R43/027
    • The invention relates to an electric device, especially to a tool used for connecting busbars, said tool comprises an hydraulic cylinder antriebseinheit and an electric control unit, a stationary portion removably connected to a busbar, a movable portion removably connected to a busbar and a loading portion for clamping connecting rods. Said movable portion is movably connected to a first and second stationary shaft of said stationary portion, said movable portion is fixedly connected to said hydraulic cylinder antriebseinheit by a movable shaft, said movable shaft is driven to slide axially with respect to said first and second stationary shaft by said hydraulic cylinder antriebseinheit, said loading portion is movably connected to said second stationary shaft and slides between a body of said stationary portion and a body of said movable portion, said loading portion rotates around said second stationary shaft. It is achieved that a plurality of connecting rods are simultaneously mounted to busbars and that two busbars are connected in a form of butt-and-butt connecting.