graduate student
Purpose: Modernization of electric locomotive axle box for to eliminate the shortcomings of existing schemes for wheelset radial installation in a curve and to perform strength calculation based on stress-strain state of a model. Methods: The research was carried out by finite element method in modern machine-building computeraided design system. Results: The first version of axle box new design has been developed. The performed studies have shown that in several locations, stresses exceed material yield strength, leading to destruction of the model. There are shortcomings in geometric shapes of parts and in the transfer of control forces to the box body. Ways to improve the design are outlined. Practical significance: The modernized design of locomotive axle box assembly will allow to reduce significantly control moment quantity, movement resistance, the intensity of lateral wear of wheel set and rail flanges without big changes in a bogie frame.
Fitting into curves, flange wear, wheelset, radial installation, axle box assembly, modernization, strength calculation
1. Bokovoy iznos rel'sov i grebney kolesnyh par podvizhnogo sostava v krivyh / Pod red. V.G. Grigorenko. — Habarovsk, 1991. — 143 s.
2. Biryukov I.V. Mehanicheskaya chast' tyagovogo podvizhnogo sostava: uchebnik dlya vuzov zh.-d. transp. / I.V. Biryukov, A.N. Savos'kin, G.P. Burchak i dr.; pod red. I.V. Biryukova. — M.: Transport, 1992. — 440 s.
3. Gorbunov N.I. Obosnovanie racional'nyh harakteristik mehatronnyh sistem upravleniya polozheniem kolesnyh par / N.I. Gorbunov i dr. // Transportnі sistemi і tehnologії. — 2020. — № 35. — S. 69–79.
4. Doronin S.V. Dvizhenie mnogosekcionnyh lokomotivov v krivyh malogo radiusa: Monografiya / S.V. Doronin. — Habarovsk: DVGUPS, 2009. — 220 s.
5. Hur H. Analysis on steering performance of active steering bogie according to steering angle control on curved section / H. Hur et al. // Applied Sciences. — 2020. — Vol. 10. — № 12. — P. 4407.
6. Umehara Y. Development of electro-hydraulic actuator with fail-safe function for steering sys-tem / Y. Umehara et al. // Quarterly Report of RTRI. — 2014. — Vol. 55. — № 3. — Pp. 131–137.
7. Kamoshita S. Total performance evaluation of the assist steering system for bolster-less bogie / S. Kamoshita et al. // Quarterly Report of RTRI. — 2018. — Vol. 59. — № 4. — Pp. 243–248.
8. Himmelstein G. The Mechatronic Bogie-A Novel Design / G. Himmelstein // EURO-PEAN RAILWAY REVIEW. — 2005. — № 4.
9. Miyajima N. Multibody Dynamics Simulation and Bogie Structure Evaluation for Ac-tive-Bogie Steering Truck / N. Miyajima et al. // ASME International Mechanical Engineering Congress and Exposition. — 2007. — Vol. 43106. — Pp. 459–465.
10. Park J.H. Design and analysis of an active steering bogie for urban trains / J.H. Park et al. // Journal of Mechanical Science and Technology. — 2010. — Vol. 24. — № 6. — Pp. 1353–1362.
