Roll shaft
The invention discloses a roll shaft which comprises a shaft center, a shaft sleeve, end covers, bearings and a protecting jacket, wherein the protecting jacket is sheathed on the shaft center; the bearings are mounted at the two ends of the shaft center; an inner circle of each bearing is matched w...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
04.08.2017
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a roll shaft which comprises a shaft center, a shaft sleeve, end covers, bearings and a protecting jacket, wherein the protecting jacket is sheathed on the shaft center; the bearings are mounted at the two ends of the shaft center; an inner circle of each bearing is matched with the outer surface of the protecting jacket positioned on the shaft center while an outer circle of each bearing is matched with the inner surface of the shaft sleeve, so that the shaft center and the shaft sleeve are sheathed integrally; a central hole of the end cover penetrates through the two ends of the shaft center, and the periphery of the end cover is matched with outer edge threads of the shaft sleeve to enclose the bearings in a space which is formed by the two end covers, the shaft center and the shaft sleeve. The roll shaft is simple in structure and reasonable in design; by the design of the end covers and the protecting jacket, the entrance of water vapor and dust into the roll shaft from the beari |
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Bibliography: | Application Number: CN20171107601 |