Special ladder for overhauling axial flow movable paddle type hydraulic generator
A ladder special for overhauling an axial flow propeller type hydraulic generator comprises a ladder body, the ladder body comprises a fixed ladder and an extension ladder, the fixed ladder and the extension ladder are in pin joint, at least two movable hooks are arranged at the upper end of the fix...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A ladder special for overhauling an axial flow propeller type hydraulic generator comprises a ladder body, the ladder body comprises a fixed ladder and an extension ladder, the fixed ladder and the extension ladder are in pin joint, at least two movable hooks are arranged at the upper end of the fixed ladder and hinged to the fixed ladder, and at least two anti-skid self-alignment devices are arranged at the bottom end of the extension ladder. The anti-skid self-alignment device is hinged to the extension ladder, the fixed ladder is provided with a plurality of connecting plates, and a winch is assembled on the back surface of the connecting plate at the uppermost end through a bolt and a nut. According to the utility model, the telescopic ladder is arranged, so that the telescopic ladder is suitable for the maintenance of each maintenance point of the axial flow propeller type hydraulic generators of various models; the movable hook and the self-alignment anti-skid device are arranged, so that the ladder spe |
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