Overhead electric traction system for railways

Details Overhead electric traction system for railways Overhead electric traction system for railways

B - Operations, Transporting

60

M

20/108, 335/9

B60M 1/20 (2006.01) E04H 12/22 (2006.01) H02G 7/20 (2006.01)

Patent

CA 1221144

ABSTRACT In an overhead electric traction system for railways, a simple and inexpensive cantilever structural assembly includes a pole 1 comprising a lower part 2, 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 whilst it is in service and is of such a shape as to provide the necessary minimum creepage path between neighbouring ends of the lower part 2 and upper part 4 of the pole.

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