Shield cutter head and shield tunneling machine

The utility model relates to a shield cutterhead and a shield tunneling machine, which are used for relieving the problem that the diameter of the cutterhead is difficult to change in the construction process. The shield cutter head comprises a first cutter head and a second cutter head, the at leas...

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Bibliographic Details
Main Authors YUAN WENZHENG, YIN SHUYU, MA SAI, PU XIAOBO, YAN YANG, MA SHAOQI, LIU DIANDIAN, YU ZHONGXIAO, DONG YALING
Format Patent
LanguageChinese
English
Published 03.03.2023
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model relates to a shield cutterhead and a shield tunneling machine, which are used for relieving the problem that the diameter of the cutterhead is difficult to change in the construction process. The shield cutter head comprises a first cutter head and a second cutter head, the at least two cutterhead blocks are configured to be arranged around the periphery of the first cutterhead, the cutterhead blocks and the first cutterhead jointly form a second cutterhead, and the radial size of the second cutterhead is larger than that of the first cutterhead; and one of the first cutter head and the second cutter head is configured to be used alternatively. According to the shield cutter head provided by the embodiment of the utility model, small-space reducing is realized, the time for remanufacturing the cutter head is shortened, and the excavation diameter can be changed in the tunneling process. 本实用新型涉及一种盾构刀盘及盾构机，用于缓解施工过程中刀盘变径困难的问题。其中，盾构刀盘包括：第一刀盘；以及至少两个刀盘块，被配置为围绕所述第一刀盘的外周设置，且与所述第一刀盘共同形成第二刀盘，所述第二刀盘的径向
Bibliography:Application Number: CN202223140046U