Bearing suitable for extra -large -size tower crane
The utility model discloses a bearing suitable for extra -large -size tower crane. The device includes the cross beam that the level was arranged, through bolt group with four landing legs that have 90 degrees turnings that four free ends of cross beam are connected to vertical grafting mode with th...
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The utility model discloses a bearing suitable for extra -large -size tower crane. The device includes the cross beam that the level was arranged, through bolt group with four landing legs that have 90 degrees turnings that four free ends of cross beam are connected to vertical grafting mode with the upper portion flange that cross beam combined together, wherein, cross beam is formed by the concatenation of two case roof beam vertical cross, has offered the manhole at cross section's top flange center, the manhole is linked together with the interior lumen pore of case roof beam, the upper portion flange comprises the barrel of circular shape flange board and cylindric structure four and case roof beam cross section assorted open groove have been seted up to the well lower part of barrel.The utility model has the characteristics of simple structure, atress be clear and definite, pass that power is direct, manufacturing process is simple, weight reduction, save material, economical and practical.
本实用新型公开种适用于超 |
|---|