Patent ID: 7384231
Filing Date: 2008-06-10
Classification: B02C,B07B,B60P,B62D

Abstract:
1. A wheeled bogie unit which is engageable with one end of a chassis of a treatment plant, in order to support that end of the plant chassis above the ground for the suspended transport of the plant, in which the bogie unit comprises: a bogie chassis; a front axle mounting a front wheel set and a rear axle mounting a rear wheel set to support the bogie chassis; a lifting cradle mounted on the bogie chassis and having a projecting end which is engageable with said one end of the plant chassis; an inclined support and guide surface provided on the projecting end of the cradle and engageable with an inclined lifting surface provided on said one end of the plant chassis, in order to suspend said one end of the plant chassis above the ground; a slide arrangement mounting the cradle on the bogie chassis for relative slidable movement along an inclined plane of movement between a lowered position of engagement with said one end of the plant chassis, when the latter is standing on the ground adjacent thereto, and a raised lifting position in which the end of the plant chassis is lifted off the ground and is supported by the inclined support and guide surface of the lifting cradle; and a mounting bracket via which the lifting cradle is mounted on the bogie chassis at a position between said front and rear axles, the mounting bracket configured to allow the cradle to pivot relative to the bogie chassis; wherein said front and rear wheel sets, via said front and rear axles are configured to support the bogie chassis and bear the weight of the treatment plant at the lower position of engagement and the raised lifting position.