Elevator traction machine
The elevator traction machine comprises a rotating shaft, a first traction wheel, a second traction wheel, a first locking nut and a second locking nut, the rotating shaft comprises a body, a first installation portion and a second installation portion, the body is provided with a first end and a se...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The elevator traction machine comprises a rotating shaft, a first traction wheel, a second traction wheel, a first locking nut and a second locking nut, the rotating shaft comprises a body, a first installation portion and a second installation portion, the body is provided with a first end and a second end, the body is provided with the first installation portion, and the diameter of the first installation portion is gradually narrowed from the second end of the body to the first end of the body. And/or a second mounting part is arranged on the body, and the diameter is gradually reduced from the second end to the first end of the body; a first groove is formed in the peripheral face of the first installation part and/or the peripheral face of the second installation part, a second groove is formed in the inner side wall of the first traction wheel and/or the second traction wheel, fasteners are arranged in the first groove and the corresponding second groove, and the fasteners are used for fixing the first |
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