Tearing cutter for shield machine

The utility model discloses a tearing cutter for a shield machine. The tearing cutter comprises a connection portion detachably connected with a hob box on a cutter head of the shield machine, and a cutter body fixedly connected to the connection portion. According to the tearing cutter for the shie...

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Bibliographic Details
Main Authors YAO ZHANHU, ZHAO XIAOPENG, HU HUITAO, FAN BAIHUA, LUO YAN, YOU GUANGWEN, XIA PENGJU
Format Patent
LanguageEnglish
Published 07.01.2015
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses a tearing cutter for a shield machine. The tearing cutter comprises a connection portion detachably connected with a hob box on a cutter head of the shield machine, and a cutter body fixedly connected to the connection portion. According to the tearing cutter for the shield machine, the replaceable tearing cutter is adopted, the original hob box is utilized, a hob is detached, the replaceable tearing cutter can be arranged in a bolt fastening mode, the utilization rate of the cutter head of the shield machine is improved, and the driving speed is improved.
Bibliography:Application Number: CN20142573501U