Switch device of heat preservation coil upper cover

The utility model provides a switch device of a heat preservation coil upper cover. The switch device is characterized in that a first end of a push rod is connected with the heat preservation coil upper cover; the hydraulic cylinder is connected with the smelting chamber. A plunger rod of the hydra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TANG FENGYI, XUE QING, GUI DAXING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BLASTING CHEMISTRY CRYSTAL GROWTH DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL RETORTS SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a switch device of a heat preservation coil upper cover. The switch device is characterized in that a first end of a push rod is connected with the heat preservation coil upper cover; the hydraulic cylinder is connected with the smelting chamber. A plunger rod of the hydraulic cylinder drives the push rod to reciprocate in the axis direction of the plunger rod and rotate around the axis of the plunger rod. The connecting pipe assembly comprises a connecting rod and a connecting sleeve, the first end of the connecting rod is connected with the plunger rod, at least two positioning holes are formed in the connecting sleeve, a groove is formed in the second end of the connecting rod, the second end of the connecting rod extends into the connecting sleeve, the first positioning hole is aligned with the groove, a sliding block is installed in the first positioning hole, the sliding block extends into the groove, and the second positioning hole is exposed. The connecting rod and the conne