Pressure maintaining cylinder axle pin of conical sand making machine

The utility model relates to a pressure maintaining cylinder axle pin of a conical sand making machine. The pressure maintaining cylinder axle pin can radically avoid damaging a lifting lug of a case of the conical sand making machine, pressure maintaining cylinder lifting lug axle pins and pressure...

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Bibliographische Detailangaben
1. Verfasser:	HU ZUYAO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a pressure maintaining cylinder axle pin of a conical sand making machine. The pressure maintaining cylinder axle pin can radically avoid damaging a lifting lug of a case of the conical sand making machine, pressure maintaining cylinder lifting lug axle pins and pressure maintaining cylinders when the thickness of iron passing through a large conical sand making machine made sand discharge hole exceeds the maximum opening measurement of the discharge hole. The pressure maintaining cylinder axle pin comprises an axle pin body and a split pin through hole formed at the tail end of the axle pin body, wherein the axle pin body is made from gray iron. The pressure maintaining cylinder axle pin has the advantages that the damages caused to the lifting lugs of the pressure maintaining cylinders of the conical sand making machine and the pressure maintaining cylinders when the thickness of iron passing through the discharge hole of the conical sand making machine exceeds the maximum opening stroke of the discharge hole are radically overcome; change of the gray iron axle pin becomes normal simple change.