专利汇可以提供Dual mode electric vehicle for road or rail track operation专利检索,专利查询,专利分析的服务。并且An electric vehicle operable on roadbeds or rail tracks being especially useful for mining application is provided. The vehicle is provided with rail trolley wheels which are movable between a raised position, when operated on a roadbed, and a lowered position, used when operating on rails. The rail wheels are connected to the same axles which support the vehicle frame from the road wheel. A leaf spring suspension system is attached to the axle for supporting the vehicle weight on the axles so that even with the rail wheels lowered and in contact with the rails the weight of the body of the vehicle is supported through the same suspension system. This keeps the suspension spring system compressed even during rail operation and does not necessitate any substantial increase in the height or head room requirement of the vehicle when operating on rails. This is advantageous when operating in tunnels with minimum head room. The rail wheels are also located close to the road wheel to result in a small wheel base when operating on the rails, enabling the vehicle to negotiate exceptionally tight bends without derailment. To further improve the tracking ability of the vehicle when operating on rails the rear trolley wheels are pivotally mounted for sharp turning.,下面是Dual mode electric vehicle for road or rail track operation专利的具体信息内容。
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