| 摘要 |
PURPOSE: An interval adjustor of hooks in a hook crane is provided to prevent the shaking and the slip of an installed material by adjusting the interval of a pair of hooks in the hook crane and carrying the installed material. CONSTITUTION: Wire drums(22) are installed in both upper parts of a moving beam to be rotated by a driving motor(20). Moving wires(24) are rolled in the wire drums. A pair of moving members(10) are installed under the moving beam to be moved lengthwise the moving beam by connecting with the ends of the moving wires. Plural guiding wheels are installed inside the moving members to guide the wire to be rolled in hooks. Thereby, a user adjusts the distance of the hooks selectively.
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