Replacement-facilitating tail brush and method for replacing tail brush without reinforcement in long distance
A technology of convenient replacement and shield tail brush, which is applied in underground chambers, earthwork drilling, wellbore lining, etc., can solve the problems of complex installation of new shield tail brushes, hidden safety hazards in welding, and difficult engineering, so as to avoid shield tail The risk of water gushing and sand gushing, it is not easy to seal weak points, and the effect of simple and convenient installation
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[0050] The present invention will be further described below in conjunction with drawings and embodiments. attached Figure 1 to Figure 14 The drawings for the embodiments are drawn in a simplified manner and are only used for the purpose of clearly and concisely illustrating the embodiments of the present invention. The following technical solutions shown in the drawings are specific solutions of the embodiments of the present invention, and are not intended to limit the scope of the claimed invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0051] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right" etc. are based on those shown in the accompanying drawings. Orientation...
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