Railways – Tubular way – Internal service device
Patent
1997-09-29
2000-02-01
Le, Mark T.
Railways
Tubular way
Internal service device
B61B 1300
Patent
active
060190485
ABSTRACT:
An internal manipulator for pipes which has devices for treating pipe walls, the manipulator having two carriages with rolling bodies movable towards a pipe wall by antagonistically acting drives, and a rotary mounting or bogie arranged between and mounted on the carriages so as to be rotatable about a common system axis extending in a direction of travel of the manipulator, the bogie having an axially displaceable holder formed with at least one radial arm whereon at least one stop body, respectively, and one treatment unit, respectively, are arranged in a radially displaceable manner, the bogie having two radial flange plates, a rotary drive for the bogie, a servomotor of an axial drive for the holder of the treatment units, a screw spindle of the axial drive, and a guide rod for the holder having the treatment units being arranged between the flange plates so that respective axes thereof extend parallel to the system axis, the rotary drive, the servomotor, the screw spindle and the guide rod being grouped in an at least approximately equidistantly distributed manner around the system axis, the at least one radial arm of the holder extending outwardly in the direction of the pipe wall through a respective intermediate space within the group formed of the rotary drive, the servomotor, the screw spindle and the guide rod, including a stellar arrangement of simultaneously pneumatically operable stop bodies disposed in the holder in the bogie, the stop bodies, respectively, having at least one appertaining treatment unit.
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Hitzel Rainer
Seeberger Erich
Greenberg Laurence A.
Le Mark T.
Lerner Herbert L.
Siemens Aktiengesellschaft
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