Foundation pit escape ladder
The invention discloses a foundation pit escape ladder, comprising a top ladder and one or a plurality of extension ladders (2), wherein, the top ladder is composed of two ladder posts (3) made of rigid materials and a plurality of bars (4) made of rigid materials, wherein, the bars (4) are fixed on...
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 invention discloses a foundation pit escape ladder, comprising a top ladder and one or a plurality of extension ladders (2), wherein, the top ladder is composed of two ladder posts (3) made of rigid materials and a plurality of bars (4) made of rigid materials, wherein, the bars (4) are fixed on the two ladder posts (3), the top ladder is fixed on the pressed capping beam of the foundation pit; the extension ladders (2) are composed of two ladder posts (3) made of rigid materials and a plurality of bars (4) made of rigid materials; each extension ladder (2) is connected with the ladder ofthe previous height in a detachable manner. The foundation pit escape ladder can not sway when climbing, and has favorable safety and durability. |
|---|