| 简介 |
PURPOSE : A transaction motor for a subway train is provided to prevent the reduction of electric performance in a core fixing unit by eliminating the structure of a cooling pin shape.CONSTITUTION : A traction motor(100) includes a front housing unit(110) and a rare housing unit(120). A core fixing unit(130) is formed between the front housing unit and the rare housing unit. The core fixing unit attaches cores including a plurality of slots. The cores are formed as a large external diameter core(131) and a small external diameter core(132). A mounting unit and a through hole for cooling the mounting unit are formed at the boundary of the large external diameter core and the small external diameter core. A rotor unit(140) including a rotary shaft(141) is installed at the center of the core fixing unit. Volt grooves(161a, 162a) for fixing the front housing unit and the rare housing unit using volts are respectively formed at the boundary of a rare flange unit(162) and a front flange unit(161).COPYRIGHT KIPO 2013 |
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