Expansion ring device for crucible
An expansion ring device for a crucible comprises an adjusting screw rod, a moving assembly and an adjusting assembly. The moving assembly is sleeved on the adjusting screw rod; one end of the adjusting assembly is connected to the moving assembly, and the other end of the adjusting assembly is conn...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | An expansion ring device for a crucible comprises an adjusting screw rod, a moving assembly and an adjusting assembly. The moving assembly is sleeved on the adjusting screw rod; one end of the adjusting assembly is connected to the moving assembly, and the other end of the adjusting assembly is connected to the adjusting screw rod; the number of the adjusting assemblies is three, the three adjusting assemblies are evenly arranged on the adjusting screw rod, and the three adjusting assemblies are arranged with the adjusting screw rod as the axis. The adjusting assembly comprises an adjusting piece and an arc-shaped plate. The arc-shaped plate is connected to the adjusting piece. A worker adjusts the moving assembly to drive the position of the adjusting part on the adjusting screw rod, the positions of the arc-shaped plates can be changed, the distance between the arc-shaped plates and the adjusting screw rod can also be changed, then a circular expansion ring formed by the three arc-shaped plates is changed, |
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