Novel rotary lifting type derrick base

The utility model discloses a novel rotary lifting type derrick base which comprises a base body, a supporting plate and a damping assembly, a gooseneck and a hydraulic cylinder are arranged at the top of the base body, the supporting plate is arranged at the top of the hydraulic cylinder, a derrick...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HUANG JIMING, YAN SHIFEI
Format: Patent
Sprache:chi ; eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The utility model discloses a novel rotary lifting type derrick base which comprises a base body, a supporting plate and a damping assembly, a gooseneck and a hydraulic cylinder are arranged at the top of the base body, the supporting plate is arranged at the top of the hydraulic cylinder, a derrick suite is arranged at the top of the supporting plate, a spring is arranged at the bottom of the supporting plate, and the bottom of the spring is connected with the top of the base body. A damping assembly is arranged between the base and the supporting plate and comprises a fixing cylinder installed at the top of the base, a piston is arranged in the fixing cylinder, a connecting rod is arranged at the top of the piston and connected to the bottom of the supporting plate, and air holes are formed in the outer wall of the fixing cylinder. The piston is pushed to slide downwards in the fixing cylinder, air in the fixing cylinder is extruded out of the air hole, downward force of the supporting plate is buffered in