Shield machine hobbing cutter with double sealing structure
The utility model discloses a shield machine hobbing cutter with double sealing structure, including the hobbing cutter circle, the shaft hole has been seted up to the middle -end of hobbing cutter circle inner chamber, first draw -in groove has been seted up to the inner chamber of hobbing cutter c...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a shield machine hobbing cutter with double sealing structure, including the hobbing cutter circle, the shaft hole has been seted up to the middle -end of hobbing cutter circle inner chamber, first draw -in groove has been seted up to the inner chamber of hobbing cutter circle and the outside symmetry that is located the shaft hole, the second draw -in groove has been seted up to the surface of hobbing cutter circle and the outside symmetry that is located the shaft hole, the mounting hole has all been seted up on the two sides around the hobbing cutter circle surface, the outer fixed surface of hobbing cutter circle is connected with the mount pad, the outer fixed surface of mount pad is connected with the hobbing cutter. The utility model discloses set up first draw -in groove in the inner chamber of hobbing cutter circle and the outside symmetry that is located the shaft hole, seted up the second draw -in groove at the surface of hobbing cutter circle andthe outside symmetry tha |
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