Rubber spring, primary suspension device, bogie and railway vehicle

The embodiment of the invention provides a rubber spring, a primary suspension device, a bogie and a railway vehicle, and the rubber spring comprises a spring body, a first elastic part and a second elastic part, the positioning pin assembly is fixed at the top or the outer ring of the spring body a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHANG HAOQIANG, LI HUA, JIA CHAO, GUO TAO, DUAN ZEBIN, WANG JIAXIN, ZHANG HANCHEN, HAO TAOGUANG, XU HONGJIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS PREVENTING DERAILING OF RAIL VEHICLES RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH RAILWAYS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES
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Beschreibung
Zusammenfassung:	The embodiment of the invention provides a rubber spring, a primary suspension device, a bogie and a railway vehicle, and the rubber spring comprises a spring body, a first elastic part and a second elastic part, the positioning pin assembly is fixed at the top or the outer ring of the spring body and is connected with a vehicle framework or a wheel set; the base is used for fixing the bottom or the outer ring of the spring body, and a cooling hole is formed in the bottom of the base, penetrates through the base in the wall thickness direction and is used for communicating the outside with the hollow cavity. According to the rubber spring, the rubber spring comprises a spring body, a positioning pin assembly and a base, and the positioning pin assembly is fixed to the top or the outer ring of the spring body and connected with a vehicle framework or a wheel pair; the base is fixed to the bottom or the outer ring of the spring body, and the bottom of the base is provided with cooling holes communicated with th