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    • 2. 发明授权
    • Overhead trolley wire insulated support post
    • 架空电线绝缘支撑柱
    • US4625839A
    • 1986-12-02
    • US683011
    • 1984-12-18
    • James CockburnArthur D. Suddards
    • James CockburnArthur D. Suddards
    • B60M1/20E04H12/18E04H12/24H02G7/20E04H12/22
    • H02G7/20B60M1/20E04H12/182E04H12/24
    • In an overhead electric traction system for railways, a simple and inexpensive cantilever structural assembly includes a pole (1) comprising a lower part (3), an upper part (4) which is separately formed with respect to and is mounted on the lower part and to which a cantilever structure (21) is attached and, inter-connected between the upper end of the lower part and the lower end of the upper part, a tubular insulator (3) of plastics insulating material. The insulator (3) will withstand any normal mechanical loading to which the pole (1) will be subjected while it is in service and is of such a shape as to provide the necessary minimum creepage path between neighboring ends of the lower part (3) and upper part (4) of the pole.
    • 在用于铁路的架空电力牵引系统中,简单而廉价的悬臂结构组件包括一个杆(1),该杆(1)包括下部(3),上部(4),其相对于下部 并且悬臂结构(21)附接到所述悬臂结构(21),并且在所述下部的上端和所述上部的下端之间相互连接,具有塑料绝缘材料的管状绝缘体(3)。 绝缘体(3)将承受杆(1)在使用中将经受的任何正常的机械载荷,并且具有在下部(3)的相邻端之间提供必要的最小爬电路径的形状, 和极的上部(4)。