Two-rope and multi-wheel descent control device
The invention discloses a two-rope and multi-wheel descent control device being a building fire escape device. A bearing wire cable and a control rope are adopted to form a closed loop, so that the insurance is enhanced, and the control is convenient; the bearing wire cable is wound on a plurality o...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a two-rope and multi-wheel descent control device being a building fire escape device. A bearing wire cable and a control rope are adopted to form a closed loop, so that the insurance is enhanced, and the control is convenient; the bearing wire cable is wound on a plurality of pulleys in twists and turns according to a selected plane curve figure; and the friction force between the rope and the pulleys achieves the deceleration effect. |
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