Draw shaft supporting structure
The utility model discloses a draw shaft supporting structure which comprises a lining piece, a connecting piece and a reinforcing piece, the lining piece is arranged in a draw shaft and arranged in the circumferential direction of the draw shaft, a gap is formed between the outer wall face of the l...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a draw shaft supporting structure which comprises a lining piece, a connecting piece and a reinforcing piece, the lining piece is arranged in a draw shaft and arranged in the circumferential direction of the draw shaft, a gap is formed between the outer wall face of the lining piece and the inner wall face of the draw shaft, the lining piece comprises at least two lining sections, and the connecting piece is arranged on the lining section. At least two lining sections are connected end to end, the cross section of each lining section is in an arc shape, the lining sections protrude towards the inner wall face of the draw shaft, the lining sections have reserved length in the circumferential direction of the draw shaft, the connecting pieces are arranged on the outer wall face of the lining piece and located in the gaps, the reinforcing pieces are arranged in the gaps, and the reinforcing pieces are arranged on the outer wall face of the lining piece and located in the gaps. And the |
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