A-mode subway vehicle bogie
2009
The utility model relates to an A-mode subway vehicle bogie, aiming at ensuring good safety and stability of a subway while improving the running speed. In the A-mode subway vehicle bogie, a primary suspension system adopts a structural mode of an overhead spiral steel spring plus a rocker arm rubber joint plus a rubber pad; a secondary system adopts a structural mode of an air spring plus a side rolling preventing device plus a height adjusting device; a traction device adopts a push-pull type structure of a single pull rod; a driving device adopts a structure of a dental coupling, a full-suspension traction alternating current motor, and a semi-suspension bearing type gearbox; and two wheel set axle boxes (1) of the bogie are longitudinally connected with a structure (2) by the rocker arm locating rubber joint (13). The A-mode subway vehicle bogie has excellent horizontal comfortableness and high-speed running stability with highest running speed being 100km/h.
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