Vertical shaft hob and vertical shaft drilling machine

Vertical shaft hob and vertical shaft drilling machine

The utility model belongs to the technical field of tunneling cutters, and particularly provides a vertical shaft hob and a vertical shaft drilling machine. The vertical shaft hob is provided with a hob body with a mounting hole, a bearing is mounted in the mounting hole, the hob body comprises a sm...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI YINGFA, ZHANG YAOXIN, LU HAIJUN, GUO HAO, YANG DONGCAI, ZHANG XIPENG, SHANG YONG, ZENG JING, CHEN YANTAO, JIANG HAIFENG, LEE HWAN-WOOK, SUN TANGCHAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:The utility model belongs to the technical field of tunneling cutters, and particularly provides a vertical shaft hob and a vertical shaft drilling machine. The vertical shaft hob is provided with a hob body with a mounting hole, a bearing is mounted in the mounting hole, the hob body comprises a small-diameter end and a large-diameter end, one side of the small-diameter end is provided with a dismounting hole communicated with the mounting hole, the diameter of the dismounting hole is not smaller than that of the bearing close to one side of the small-diameter end, the dismounting hole is provided with a small end cover, and a sealing compression ring is arranged between the small end cover and the bearing close to one side of the small end cover. The outer ring surface of the sealing compression ring is in sealing fit with the mounting hole, the inner ring surface of the sealing compression ring is provided with a sealing fit part, the small end cover is in sealing fit with the sealing fit part through a fl