Hob of shield tunneling machine
The utility model discloses a shield tunneling machine hob, which relates to the technical field of shield tunneling machines and comprises a hob body, a boss and an expansion ring are arranged on the outer ring of the hob body, a hob ring is arranged on the outer ring of the expansion ring, the hob...
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| creator | BAO QING HU XIAOJUN SONG LUSHENG CHE YONGSHENG |
| description | The utility model discloses a shield tunneling machine hob, which relates to the technical field of shield tunneling machines and comprises a hob body, a boss and an expansion ring are arranged on the outer ring of the hob body, a hob ring is arranged on the outer ring of the expansion ring, the hob ring is attached to the boss, and a guide groove is formed in the outer ring of the hob ring to form two blades. A check ring is further arranged on the outer ring of the cutter body, and one side of the check ring is attached to the cutter ring. A first anti-channeling piece is arranged between the expansion ring and the cutter ring, second anti-channeling pieces are arranged between the check ring and the cutter ring and between the boss and the cutter ring, and a plurality of counter bores are formed in the check ring. By means of the excavating mode of the two blades, hard rock stratums can be excavated quickly and effectively, the probability that the cutter body is damaged and scrapped due to eccentric abras |
| format | Patent |
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A check ring is further arranged on the outer ring of the cutter body, and one side of the check ring is attached to the cutter ring. A first anti-channeling piece is arranged between the expansion ring and the cutter ring, second anti-channeling pieces are arranged between the check ring and the cutter ring and between the boss and the cutter ring, and a plurality of counter bores are formed in the check ring. 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A check ring is further arranged on the outer ring of the cutter body, and one side of the check ring is attached to the cutter ring. A first anti-channeling piece is arranged between the expansion ring and the cutter ring, second anti-channeling pieces are arranged between the check ring and the cutter ring and between the boss and the cutter ring, and a plurality of counter bores are formed in the check ring. 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A check ring is further arranged on the outer ring of the cutter body, and one side of the check ring is attached to the cutter ring. A first anti-channeling piece is arranged between the expansion ring and the cutter ring, second anti-channeling pieces are arranged between the check ring and the cutter ring and between the boss and the cutter ring, and a plurality of counter bores are formed in the check ring. By means of the excavating mode of the two blades, hard rock stratums can be excavated quickly and effectively, the probability that the cutter body is damaged and scrapped due to eccentric abras</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN220599810UU |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Hob of shield tunneling machine |
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