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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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | 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. |
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