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)
02/2014
02/26/2014CN103603673A Stope face parallel dual-U-type roadway
02/26/2014CN103603672A Hydraulic tunneling jumbo
02/26/2014CN103603671A Tunneling posture adjustment control system of miniature shield tunneling machine and adjustment method thereof
02/26/2014CN103603670A Construction method of ultra-deep-earthed shield crossing complex formations
02/26/2014CN103603669A Unfavorable geology forecasting device for shield tunnel and tunnel construction method
02/26/2014CN103603668A Large-section rectangular tunnel boring machine rear propulsion system control device and method
02/26/2014CN102383858B Improved kilometer drilling field dam system
02/26/2014CN102337901B Online tool-changing head structure for tunneling operation
02/26/2014CN102278124B Energy-saving hydraulic shield propulsion system
02/19/2014EP2697470A1 Method and device for nondestructive drilling
02/19/2014CN203441505U Combined-type TBM tunnel portal sealing device
02/19/2014CN203441504U Construction platform used for hanging waterproof board in tunnel
02/19/2014CN203441503U Material shovel horizontally moving mechanism of scaling jumbo
02/19/2014CN203441502U Material scraping mechanism of scaling jumbo
02/19/2014CN203441501U Supporting mechanism of scaling jumbo
02/19/2014CN203441500U Rotatable tearing cutter for shield tunneling machine
02/19/2014CN203441499U Shield segment fixing device
02/19/2014CN203441498U Anti-seepage structure for large-section water-bearing layer passing shaft of inclined shaft
02/19/2014CN203441427U Built-in type structure for blocking slurry in process of ejecting pipe out of hole
02/19/2014CN103590838A Heading and loading machine for drilling and digging
02/19/2014CN103590837A Eccentric cutter type shield machine cutterhead
02/19/2014CN103590836A Method for processing tunnel collapse caused by shallow-buried excavation
02/19/2014CN103590835A PVC freezing pipe for shield tunneling freeze-consolidation
02/19/2014CN103590834A Excavation and support method of asymmetric squeezing type deformation tunnel
02/19/2014CN103590833A Spiral-unearthing pipe-jacking pipe curtain construction method and device
02/19/2014CN102606164B Foam injection system for shield machine and operating method of foam injection system
02/13/2014DE112012002105T5 Mobile Bergbaumaschine sowie Verfahren zum Auffahren von Tunneln, Strecken oder Schächten, insbesondere in Hartgestein Mobile Mining Equipment and methods for boring tunnels, tracks or wells, especially in hard rock
02/12/2014CN203432558U Device for detecting tool wearing on shield cutting pan
02/12/2014CN203430529U Spiral conveyer with expansion and contraction function
02/12/2014CN203430528U Soil box of 8 cubic meters
02/12/2014CN203430527U Shield type continuous tunneling and anchoring machine
02/12/2014CN203430526U Shield hinged high and low pressure control system
02/12/2014CN203430525U Shield distribution type PLC control system based on controller
02/12/2014CN203430524U Double-network shield tunneling machine control system
02/12/2014CN203430523U Replaceable shield tunneling machine cutting tool with replaceable tool bit
02/12/2014CN203430522U Hob cutter ring of shield machine
02/12/2014CN203430521U Mining multifunctional milling and drilling machine
02/12/2014CN203430520U Polar coordinate type working device
02/12/2014CN203430519U Supporting device for speedy drivage walking self-moving adhesive tape machine tail
02/12/2014CN103573271A Tunnel boring machine cutter and preparation method thereof
02/12/2014CN103573270A TBM (Tunnel Boring Machine) arc-shaped top shield and method for carrying out surrounding rock supporting by using top shield
02/12/2014CN103573269A Shield tunnel grouting layer performance detection method
02/12/2014CN103572761A Protection method for existing line nearby construction by using brook protective screenings
02/12/2014CN102031982B Tunneling construction technology by adopting composite tooth support through mining method
02/05/2014CN203420713U Shield launching tunnel portal extension steel ring
02/05/2014CN203420712U Screw conveyor capable of preventing or slowing gushing
02/05/2014CN203420711U Belt conveyor arranged on shield heading machine
02/05/2014CN203420710U Shield tunneling machine shell rotation angle correction structure
02/05/2014CN103557006A Method for reasonably arranging roadways under large-area hard roof
02/05/2014CN103557005A Anti-dazzle principle based design method for traffic engineering facilities at road tunnel exit
02/05/2014CN103557004A High-dipping coal face operation frame
02/05/2014CN103556579A Box culvert pushing construction method integrating comprehensive grouting, pressure maintaining and pipe roof support
02/05/2014CN102022124B Method for connecting shield tunnel duct piece and prefabricated flue header sheet
01/2014
01/29/2014CN203412588U Drilling and excavating backhoe loader
01/29/2014CN203412587U Heading machine combining multi-eccentric-shaft cutter with circular cutter
01/29/2014CN203412586U Frame device for heading working face temporary support lifting and transferring
01/29/2014CN203412585U Initial reaction frame in shield hole
01/29/2014CN203412584U Preset type shield cabin opening maintenance device
01/29/2014CN203412583U High-low step structure of TBM (Tunnel Boring Machine) assembly bay
01/29/2014CN203410457U 隧道养护平台 Tunnel conservation Platform
01/29/2014CN103541738A Method for building extra-long tunnel independent construction control network
01/29/2014CN103541737A Tunneling method and tunneling machine
01/29/2014CN103541736A Rectangular tube push bench transmission case with high escaping capability
01/29/2014CN103541735A Tunneling machine stepping pushing supporting device and construction method
01/29/2014CN103541734A Comprehensive damping method for blasting of tunnel passing through heritage conservation building
01/29/2014CN102628365B Rectangular pipe-jacking main machine
01/29/2014CN102587931B Shielding belt conveyor
01/23/2014DE112012001728T5 Tunnelbohrvorrichtung Tunnelbohrvorrichtung
01/22/2014CN203404170U Bypass oil-injection and cleaning device of road header
01/22/2014CN203403890U Telescopic arm with hanging basket
01/22/2014CN203403889U Multi-head pipe jacking equipment
01/22/2014CN203403888U Impact-type tunneling machine
01/22/2014CN203403887U Elliptic tunnel boring machine
01/22/2014CN203403886U Octagonal tunnel boring machine
01/22/2014CN203403885U Walking type tunnel milling excavator
01/22/2014CN203403884U Device for fixing radar antenna on cutter head of shield tunneling machine
01/22/2014CN203403883U Stretchy platform of subway underground excavation station
01/22/2014CN103529747A Fault handling system of drill jumbo
01/22/2014CN103527212A Fiber concrete secondary lining tunnel earthquake resisting and absorbing construction method
01/22/2014CN103527211A Full-face coal mine rock roadway heading machine
01/22/2014CN103527210A Hob installation structure of pipe-jacking machine
01/22/2014CN103527209A Micro disturbance tunneling method used for shield machine to tunnel under building on rich water weak formation
01/22/2014CN103527208A Copying cutter use method in super-small-curvature-radius tunnel shield construction
01/22/2014CN103527207A Cemented carbide welded hob ring
01/22/2014CN103527206A Steel arch and mesh mounting mechanical arm of tunnel heading machine
01/22/2014CN103527205A Shield underwater oblique crossing hole entering construction method
01/22/2014CN103527204A Wall-first arch-second cross middle partition wall tunnel construction method
01/22/2014CN103527203A Water spray cutter head of tube push bench
01/22/2014CN103527202A Method for constructing tunnel under complicated geological conditions
01/16/2014WO2014010359A1 Tunnel-excavation auxiliary apparatus
01/16/2014WO2014010339A1 Tunnel excavation method
01/15/2014CN203396588U Miniature TBM excavation system for tunnel excavation in physical simulation test
01/15/2014CN203394539U Thrust arch-type open tunnel structure with large span and heavy load
01/15/2014CN203394538U Subway tunnel construction work vehicle
01/15/2014CN203394537U Excavation loader for coal mine
01/15/2014CN203394536U Excavation work bench for tunnel engineering
01/15/2014CN203394535U Folding gripper
01/15/2014CN203394534U Steel-frame structure of shield turning-around equipment
01/15/2014CN203394533U Double-layered box beam structure of shield turning-around equipment
01/15/2014CN203394532U Large-diameter hand-dug pipe-jacking tunneling machine
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