Classifying – separating – and assorting solids – Magnetic – Paramagnetic
Patent
1978-10-24
1980-09-30
Hill, Ralph J.
Classifying, separating, and assorting solids
Magnetic
Paramagnetic
209219, 104 1R, 104279, 198510, 198690, B03C 100
Patent
active
042254299
ABSTRACT:
A vehicle for cleaning a railway roadbed of magnetic articles such as spikes, tie plates, rail support plates, bolts, and the like has a chassis supported by rail engaging wheels which are rotated by a hydraulic motor powered by an internal combustion engine driven pump mounted on the chassis. At least one endless conveyor of non-magnetic flexible material is mounted on the chassis with a lower end thereof adjacent the roadbed and passing over a lower drum supporting fixed magnets. The conveyor is driven by a hydraulic motor powered by the pump to move at the same speed as the vehicle to prevent scuffing over the ballast of the roadbed. The endless conveyor is provided with spaced parallel cleats across the conveyer whereby metallic articles attracted by the magnets acting through the conveyor will engage the articles and move them along the conveyor out of the field of action of the magnets. The conveyor discharges into a hopper mounted on the vehicle with the hopper having a bottom formed of an endless conveyor driven by a hydraulic motor powered by the pump so that the hopper may be discharged laterally from either side of the vehicle. The vehicle may be provided with auxiliary pneumatic wheels or crawlers to support the vehicle when a rail of the track has been removed for replacement and may also be provided with auxiliary rail engaging wheels for supporting the vehicle on a narrow gauge track when both of the main rails have been removed for replacement. A turntable may be mounted on and beneath the vehicle to engage the roadbed for lifting the vehicle to position the vehicle for the desired direction of motion along the roadbed. Suitable hydraulic systems are provided for driving the vehicle and the conveyor as well as for actuating the hopper dump conveyor, crawler lifts, conveyor lifts, turntable and conveyor traverse motor when the conveyor is mounted to move laterally across the vehicle.
REFERENCES:
patent: 2505501 (1950-04-01), Miller et al.
patent: 2599838 (1952-06-01), Kandoll
patent: 3157267 (1964-11-01), Asbury
patent: 3552320 (1971-01-01), Traupmann
patent: 3690264 (1972-09-01), Plasser et al.
patent: 3720299 (1973-03-01), Wegmann et al.
patent: 3731455 (1973-05-01), Theurer
patent: 4094249 (1978-06-01), Theurer et al.
Hill Ralph J.
Kerkam, Jr. William B.
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