Lifting type pay-off rack
The utility model discloses a lifting type pay-off rack which comprises supporting frames, a base is fixedly arranged on the upper portion of each supporting frame, a mounting base is arranged on the upper portion of each base, and a two-way ratchet wheel is rotationally arranged on each mounting ba...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a lifting type pay-off rack which comprises supporting frames, a base is fixedly arranged on the upper portion of each supporting frame, a mounting base is arranged on the upper portion of each base, and a two-way ratchet wheel is rotationally arranged on each mounting base. The lower portion of the two-way ratchet wheel is located in the installation base and provided with a lower limiting disc matched with the installation base in a rotating mode, the upper portion of the two-way ratchet wheel is fixedly provided with an upper limiting disc, and the portion, located between the upper limiting disc and the installation base, of the two-way ratchet wheel is sleeved with a driving wrench. A through groove is formed in the middle of the driving wrench head, a movable block is arranged in the through groove in a hinged mode, and two pawls matched with the two sides of teeth of the two-way ratchet wheel respectively are symmetrically arranged at the end, close to the two-way ratchet wh |
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