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CN112253474A
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Pipeline countercurrent automatic blocking device for centrifugal pump system
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CN112253129A
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Full-automatic shaft shield constructs equipment
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CN112253132A
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Immersed tube guiding system suitable for vertical shield machine
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Full-section telescopic cutter head structure of shaft heading machine
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CN112253126A
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Synchronous support device for connecting rod of shaft heading machine
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CN112253853A
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Pipeline servo system for vertical shaft
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CN112253128A
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Full-automatic full-section vertical shield tunneling machine
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CN112253125A
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Supporting, propelling and stepping lifting device of shaft heading machine
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CN112253130A
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Center slewing device
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CN112253144A
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Rear supporting device of shield tunneling machine and mounting method thereof
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CN112117586A
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Pressure-resistant waterproof connecting structure and method for cables
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CN112112810A
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Pump priming system and method of centrifugal pump system
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CN110454175A
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A kind of assembly technology for driving speed reducer to be horizontally mounted suitable for shield owner
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CN110318811A
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A kind of wireless communication device for shield machine segment assembly
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CN110295927A
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One kind feeding piece machine walking dolly propulsion system
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CN110344860A
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A kind of secondary handling apparatus of shield duct piece
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CN110318788A
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A kind of split type sucker of novel segment assembling machine
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CN110304553A
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A kind of box culvert loop wheel machine grasping system
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CN110449680A
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Cutter and welding method in a kind of cutter head of shield machine
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CN109046702A
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A kind of novel high-pressure arc drilling device
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