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一、前言按1982年度技术课题试制的TR908型摆式转向架,是日本国铁最初作为电动客车用的无摇枕转向架(简称B L转向架),然而,在ED72、ED75等电力机车上无摇枕转向架已实际应用,另外,欧洲等国的电动客车也早就应用无摇枕转向架了。在电力机车上,由于转向架中央必须装大型电动机和减速器,因此,安置摇枕和心盘的空间成了难题。另外,为防止轴重的转移,有必要考虑牵引装置,因而促成了B L
I. Preface The TR908 tilting bogie piloted on the technical issue of 1982 is the bolsterless bolster bogie originally used by Japan’s National Railways as an electric bus. However, on the ED72, ED75 and other electric locomotives, Bolster bogies have been practical applications, in addition, electric buses in Europe and other countries have long been the application of bolster bogie. In electric locomotives, the large bogie and reducer must be installed in the center of the bogie, so the space for bolster and heart plate becomes a challenge. In addition, to prevent the transfer of shaft weight, it is necessary to consider the traction device, thus contributing to the B L