Dragging device

The utility model relates to a tractor which is used for dragging a prestress steel strand to penetrate through an outer sleeve tube of the prestress steel strand, compressing a conical cylinder. The back end of the conical cylinder is connected with an end cover on which a threaded hole is arranged...

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Bibliographic Details
Main Authors YONGHONG GUAN, RIGUI YE
Format Patent
LanguageEnglish
Published 17.01.2001
Edition7
Subjects
BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVINGPURPOSES
BLASTING
CHAINS
ENGINEERING ELEMENTS AND UNITS
FITTINGS PREDOMINANTLY USED THEREFOR
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The utility model relates to a tractor which is used for dragging a prestress steel strand to penetrate through an outer sleeve tube of the prestress steel strand, compressing a conical cylinder. The back end of the conical cylinder is connected with an end cover on which a threaded hole is arranged. A drawbar is installed in the threaded hole of the end cover. A pressing plate and a hoop sleeve are also installed in the conical cylinder. The utility model has the advantages of convenient operation, high efficiency and reliable work.
Bibliography:Application Number: CN2000204218U