Quick lifting hook device
The utility model provides a quick lifting hook device which is used for being matched with a crane to lift a workpiece and comprises a lifting hook assembly, the lifting hook assembly comprises a first lifting hook and a second lifting hook, the lifting hook assembly has a first state and a second...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | The utility model provides a quick lifting hook device which is used for being matched with a crane to lift a workpiece and comprises a lifting hook assembly, the lifting hook assembly comprises a first lifting hook and a second lifting hook, the lifting hook assembly has a first state and a second state, when the lifting hook assembly is in the first state, the first lifting hook and the second lifting hook contract mutually, and the lifting hook assembly extends into a casting hole of the workpiece; in the second state, the first lifting hook and the second lifting hook are mutually unfolded, and the lifting hook assembly is clamped with the workpiece; the driving device is connected with the lifting hook assembly and used for driving the lifting hook assembly to be switched between the first state and the second state; by means of the structure, compared with the prior art that a common lifting hook or a lifting chain is adopted for binding and lifting, the lifting hook device is firm in hanging, workpiece |
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