Railway rolling stock – Special car bodies – Dumping
Patent
1997-12-08
1999-11-16
Le, Mark T.
Railway rolling stock
Special car bodies
Dumping
105242, 105247, B61D 500
Patent
active
059838043
DESCRIPTION:
BRIEF SUMMARY
The present invention concerns a rail-travelling conveyor device to be advanced supported on two mutually parallel rails and comprising a carrier frame, a load compartment substantially firmly connected with the carrier frame, said load compartment being arranged at least partly below the rails, said load compartment having a maximum extent in the longitudinal direction of the rails, a plurality of driving wheels engaging the rails, and at least one motor which is connected with the conveyor device and which drives at least one driving wheel. In this connection, "firmly" means that, when being advanced, the load compartment is connected with the carrier frame in such a manner that the location of its centre of gravity substantially cannot change with respect to the carrier frame, i.e. the load compartment cannot pivot freely like a pendulum.
Conveyor devices which travel on rails and are used e.g. to feed viscous masses through production systems, are generally known. The conveyor devices may be advanced supported by rail systems, which comprise a single rail or two rails extending mutually in parallel, and which are either supported by columns or are suspended from an overhead structure. The rail systems used may be provided with upward gradients in the longitudinal direction, as required, and may comprise curved track segments and switches allowing the travelling direction of the conveyor devices to be changed.
Whether one rail system or another is selected for a given production system usually depends on the occurring loads from the conveyor devices and on the mutual location of the production buildings. Further, the selection may determined by the simplicity with which the load compartments of the conveyor devices must be capable of being filled with the viscous mass. Particularly in connection with rail systems having two rails extending mutually in parallel, it is possible to fill the conveyor devices from a position centrally above the load compartment, without the access to the access opening of the load compartment being blocked by a rail.
An example of a known conveyor device of the type described in the opening paragraph has been manufactured by the applicant. This known conveyor device is used particularly in production systems for the production of cast concrete objects. In such production systems, the casting of the concrete objects is usually performed in a separate production building which is located at a distance from the production area where the wet concrete is produced. It is thus necessary to be able to transport the liquid concrete rapidly and reliably from one location to another, and this is expediently done by means of the described, known conveyor device, whose load compartment is filled at a filling station in the production building.
However, with this known conveyor device which is advanced supported by two mutually parallel rails, special measures have to be taken when the conveyor devices are to travel through curves. For the conveyor device to travel through curves and bends, the rotational shafts are mounted so as to be rotatable also with respect to the load compartment about a vertical axis, thereby avoiding derailing of the conveyor devices in the-bends. Thus, the conveyor devices have conventionally been provided with two separate (two-wheeled) bogies arranged in front of and behind the load compartment and connected with the carrier frame of the conveyor device by means of a complicated pivot joint. A separate drive means in the form of a motor on the bogie has moreover been mounted in order to propel the conveyor device. In situations where it is necessary to connect all the driving wheels with a drive means, it is thus necessary to mount a drive means on each bogie.
The complicated pivot joint between the bogies and the need for two separate drive means, however, have made the production of the described conveyor devices difficult and more expensive, and, accordingly, an object of the present invention is to provide a simplified conveyor device, which must also be c
REFERENCES:
patent: 1781281 (1930-11-01), Hogrebe
patent: 2806435 (1957-09-01), Mundell
patent: 3540380 (1970-11-01), Tumpak et al.
Le Mark T.
McCarry, Jr. Robert J.
Skako A/S
LandOfFree
Conveyor device running on rails does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Conveyor device running on rails, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Conveyor device running on rails will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1310504