Friction drive closing device

The utility model discloses a friction drive closing device, include the hold -down mechanism and the portal assembly that are connected with drive swivel arm, hold -down mechanism includes the cylinder, the cylinder comprises cylinder body and piston rod, cylinder body and portal assembly fixed con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LOU JIANJUN, ZHOU GAOYONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses a friction drive closing device, include the hold -down mechanism and the portal assembly that are connected with drive swivel arm, hold -down mechanism includes the cylinder, the cylinder comprises cylinder body and piston rod, cylinder body and portal assembly fixed connection, tailpiece of the piston rod portion is connected with drive swivel arm, cylinder gas input chamber is connected with the output of accurate relief pressure valve, the input of accurate relief pressure valve is connected with filter relief -pressure valve's output, the both ends symmetry of portal assembly is provided with a hold -down mechanism, drive swivel arm lower extreme hinge support column, support column lower extreme sliding connection is on the portal assembly, two spouts have been seted up to the symmetry on the portal assembly, two the bottom of support column is located the spout, install fixed subassembly on the spout, fixed subassembly is the bolt. The utility model is suitable for a two act