7-shaped leg supporting structure and upper plate seat supporting structure
The utility model discloses a 7-shaped foot supporting structure and an upper plate seat supporting structure, which comprise a 7-shaped foot main body, and a placing groove for placing a connecting end of an external upper plate seat is arranged on the 7-shaped foot main body. The 7-shaped pin main...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a 7-shaped foot supporting structure and an upper plate seat supporting structure, which comprise a 7-shaped foot main body, and a placing groove for placing a connecting end of an external upper plate seat is arranged on the 7-shaped foot main body. The 7-shaped pin main body is provided with a flatness adjusting device for adjusting the flatness of an external upper disc seat on the 7-shaped pin main body, and is provided with a fixing device which is matched with the flatness adjusting device to fix the external upper disc seat on the 7-shaped pin main body and is positioned in the placing groove; the roundness adjusting device used for adjusting the roundness of the external upper disc seat on the 7-shaped pin body is arranged, the flatness adjusting device is matched with the roundness adjusting device, so that the external upper disc seat on the 7-shaped pin body is always in a free state free from the action of external stress, and deformation of the external upper disc seat |
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