Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21D - Shafts; Tunnels; Galleries; Large underground chambers › E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097)
04/2014
04/02/2014CN103696781A Shield machine remained soil transporter
04/02/2014CN103696780A Single-hole geological radar automatic drilling rig arranged at cutter head center of tunneling machine
04/02/2014CN103696779A Tunnel face breast wall filter cake construction process for shield compressed air operations
04/02/2014CN103696778A Pile cutting cutter amount determination method capable of realizing equal abrasion
04/02/2014CN103696777A Shield machine cutter head device
04/02/2014CN103696776A Shield machine soil swelling and wetting device
04/02/2014CN103696774A Development method of blind shaft frame for surface and underground parallel construction
04/02/2014CN102678131B Square cross-section jacking-pipe tunneling machine
04/02/2014CN102493822B Method for performing curtain grouting construction on tunnel by water rich fault influence zone
04/02/2014CN102449264B Bit replacing device for excavating machine
04/02/2014CN102434168B Pipe connecting device
04/01/2014US8684470 Drill head for a tunneling apparatus
03/2014
03/27/2014US20140084668 Excavation machine
03/26/2014CN203500184U Hydraulic multi-pumping-source switching system of shield tunneling machine
03/26/2014CN203499693U Dual-hinged and dual-mode explosion-proof inclined shaft tunnel boring machine
03/26/2014CN203499559U Conveniently moved hydraulic anchoring drill for roadway
03/26/2014CN103671581A Main bearing component with embedded sensors of full face rock heading machine
03/26/2014CN103670454A Dislocation type subway station structure
03/26/2014CN103670448A Underground pipeline protection device and support method applying underground pipeline protection device
03/26/2014CN103670437A Evacuation route arrangement structure for combined highway and metro shield tunnel
03/26/2014CN103670436A Lateral stripped sonic boom control structure of high-speed rail tunnel portal
03/26/2014CN103670435A Existing line railway tunnel defect comprehensive improvement operation trolley
03/26/2014CN103670434A Underground pipeline excavating device
03/26/2014CN103670433A Short-distance coincident section heading machine
03/26/2014CN103670432A Soft foundation double circle shield machine head chip cutting device
03/26/2014CN103670431A Intelligent tunneling cutting system
03/26/2014CN103670430A Improving method for shield cutters
03/26/2014CN103670429A Cutterhead and cutter reinforcing method for directly cutting reinforced concrete pile foundations by shield
03/26/2014CN103670428A Tool configuration method for soft-soil stratum shields for directly cutting large-diameter pile foundations
03/26/2014CN103670427A Cross excavation support late-dismantling type tunnel construction method
03/26/2014CN103670426A Large-inclination-angle and large-section roadway construction method
03/26/2014CN103670425A Excavating and supporting integrating method and carrying type lifting and transporting support manipulator for heading machine
03/26/2014CN103670424A Supporting device for construction perpendicular-ejection technology of large-caliber vertical discharging pipe
03/26/2014CN103670423A Method for excavating tunnel in layered phyllite body
03/26/2014CN103670422A Coring shield mechanism of tunnel boring machine
03/26/2014CN103670421A Central inclined hole method parallel tunnel excavation method
03/26/2014CN102553103B Rescue shield machine
03/26/2014CN102425429B Method for pumping dregs through earth pressure balance shield
03/26/2014CN102094650B Construction method for shield entry under complicated working conditions
03/20/2014WO2014041476A2 Vertical transport of emulsion explosives
03/20/2014US20140079485 Method for Preventing Shield Casing Catching Due to Too Large Frictional Resistance in Earth Pressure Balance Shield Machine
03/19/2014CN203488188U Mining area roadway arrangement structure of ultra-thick coal seams
03/19/2014CN203488187U Novel car dumper chamber
03/19/2014CN203488186U Slag remover bucket mechanism for non-explosive tunnel
03/19/2014CN203488185U Disc cutter of full-section tunneling machine
03/19/2014CN203488184U Integral double-edge ball tooth cutter ring
03/19/2014CN203488183U Special type slurry shield machine capable of passing through polluted soil stratum
03/19/2014CN203488182U Chamber with large section
03/19/2014CN203487420U Labor-saving guide rail for construction of top pipe of underground pipe network
03/19/2014CN103644305A HBW grease system of composite stratum shield tunneling machine primary seal
03/19/2014CN103643963A Multifunctional tunneling machine
03/19/2014CN103643962A Hob height adjustment methods based on gaskets and positioning blocks
03/19/2014CN103643961A End-free reinforcing shield receiving structure and receiving method
03/19/2014CN103643960A Power tunnel construction method
03/19/2014CN103643959A Novel tunneling device
03/19/2014CN103643958A Construction method for excavating weak surrounding rock tunnel by hydraulic breaking hammer
03/19/2014CN102705013B System and method for real-time monitoring of folding type earthwork transport machine
03/19/2014CN102562084B TBM (tunnel boring machine) cutter expansion and contraction device
03/18/2014US8672414 Method for controlling longwall mining operations
03/13/2014WO2014036616A1 A roof mountable support system
03/12/2014CN203480272U Automatic control system of over cutter
03/12/2014CN203476348U Arch cover combined construction structure for shallow-buried underground excavation long-span tunnel pilot tunnels
03/12/2014CN203476346U Coal mine deep vertical shaft connecting chamber group structure
03/12/2014CN203476345U Multifunctional multilayer municipal tunnel
03/12/2014CN203476344U Universal digging arm mechanism of loader-digger for coal mine tunnel
03/12/2014CN203476343U Open type tunnel boring machine
03/12/2014CN203476342U Thixotropic slurry injection device with replaceable one-way valve
03/12/2014CN203476341U Shield tunneling machine
03/12/2014CN203476340U Portal sealing device of slurry shield
03/12/2014CN203476339U Pulse back flushing device for pressure maintaining system of shield tunneling machine
03/12/2014CN103628893A Drilling and blasting shield machine
03/12/2014CN103628892A Shield machine starting device with adjustable seal
03/12/2014CN103628891A Method for controlling shield tunneling machine water circulation cooling system
03/12/2014CN103628890A Soft phyllite tunnel excavation deformation control method
03/12/2014CN103628889A Quick sealing method for excavating phyllite stratum tunnel
03/12/2014CN103628888A Stability augmentation and solidification method for large-section water-rich saturation fine-silt railway tunnel
03/12/2014CN103628887A Large-section water-rich saturated fine sand railway tunnel excavation method
03/12/2014CN103628886A Method for excavating weak surrounding rock tunnel under water-rich high-ground-stress conditions
03/12/2014CN103628885A Tunnel exit cover-excavation construction method of Ultra-shadow buried tunnel
03/12/2014CN103628884A Neighborhood tunnel middle clamping rock strengthening method
03/12/2014CN102720507B Radial type shield body torsionproof device
03/12/2014CN102587926B Bevel-edge cutting knife of shield machine
03/12/2014CN102486091B Construction method for oblique tunneling of rectangular pipe jacking machine in closed space
03/12/2014CN102364049B Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof
03/06/2014WO2013127517A8 Support structure for drive or return stations used in underground mining
03/05/2014CN203463110U Novel structure type of three-layer curved middle wall of loess continuous-arch tunnel
03/05/2014CN203463109U Asymmetric multi-arch tunnel structure
03/05/2014CN203458994U Foam generator
03/05/2014CN103615256A Mini-sized shield machine earth pressure balance control system and control method thereof
03/05/2014CN103615255A Variable cross-section tunneling device of shield machine
03/05/2014CN103615254A Starting method for hinged shield construction machine on small radius curve
03/05/2014CN103615247A Mining machine capable of compound rotary cutting
03/05/2014CN102046920B Apparatus and method for monitoring tunnel boring efficiency
02/2014
02/27/2014WO2013110104A3 Tunnelling or extraction machine with an anchor-setting device and support manipulator or supporting device
02/26/2014CN203452798U Coal mining roadway
02/26/2014CN203452797U Numerically controlled automatic shield tunneling machine for full section rock
02/26/2014CN203452796U Vertical shaft base structure for shield machine to pass through
02/26/2014CN203452795U Step-by-step counterforce device of shield
02/26/2014CN103603679A Vault steel frame for support tunnel arch and tunnel construction method
02/26/2014CN103603674A Method for communicating mine laneway with ground
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