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)
10/2012
10/03/2012CN202467853U Novel hob ring for inserted tooth hob
10/03/2012CN202467852U Arc-shaped advancing cutter for shield machine
10/03/2012CN202467851U Novel single-blade hob
10/03/2012CN202467850U Earth pressure balanced shield for large-grain diameter sandy cobble stratum
10/03/2012CN202467849U Cutting knife for shield machine
10/03/2012CN202467848U Disk-shaped heavy hob for hard rock tunneling machine
10/03/2012CN202467847U Center shaft type pre-grooving device
10/03/2012CN202467846U Imitated flying snake skeleton space expanding and tunneling device
10/03/2012CN102705284A Synchronous hydraulic control system and shield tunnel borer
10/03/2012CN102705013A System and method for real-time monitoring of folding type earthwork transport machine
10/03/2012CN102704998A Mine full section rock tunnel boring system
10/03/2012CN102704994A Evacuation platform for tunnel
10/03/2012CN102704980A Tunnel cavity separated roadway ventilation method
10/03/2012CN102704951A Full-hydraulic self-propelled trestle trolley
10/03/2012CN102704945A Full-section rock ripper for long-distance heavy-gradient inclined shaft
10/03/2012CN102704944A Rectangular jacking pipe
10/03/2012CN102704943A Shield structure formed by shallow tunneling method in air-pressure mode
10/03/2012CN102704942A Shield tunneling machine cutting knife with changed back angles and application thereof
10/03/2012CN102704941A Slurry shield stone-crushing device
10/03/2012CN102704940A Limit protection device for supporting oil cylinder of open type whole-section tunnel rock boring machine
10/03/2012CN102704939A Combined steel temporary supporting excavation method for tunnel with extra-large section
10/03/2012CN102704938A Tunneling method for coal mine strike type high suction tunnel
10/03/2012CN102704937A Method for identifying settlement pattern during shield tunnel construction
10/03/2012CN102071934B Heading machine and cantilever working mechanism thereof
10/03/2012CN101967978B Construction method for improving shield soil in composite sand gravel stratum
10/03/2012CN101899978B Method for replacing shield cutter in sand-pebble layer
10/03/2012CN101749026B Grid reinforcing method of shield receiving or starting end head and shield receiving method
09/2012
09/26/2012CN202451167U Duct piece semi continuous seam spliced shield pipeline
09/26/2012CN202451164U Tunnel with opening open cut tunnel structure
09/26/2012CN202451163U Novel hard alloy edge scraper for shield machine
09/26/2012CN202451162U Installation structure of hexagonal shaft seat fixed pilot cutter for shield machine in cylindrical cutter box
09/26/2012CN102692164A Stress unloading, water injecting and drilling and blasting method for longitudinal structure surface structural strong rockburst regions
09/26/2012CN102691510A Butt section lining structure in shield tunnel
09/26/2012CN102691507A Integrated fast construction method for shield machine
09/26/2012CN102691506A Spherical support girder turning mechanism for open-type hard-rock boring machines
09/26/2012CN102691505A Device capable of adjusting hob excavation track of whole-section hard rock tunnelling machine
09/26/2012CN102691504A Surrounding rock forming machine for rectangular tunnel
09/26/2012CN102691272A Bridge-tunnel integration flexible steel mesh open cut tunnel structure for preventing falling rocks
09/26/2012CN102052078B Real-time guide system of multi-sensor data fusion shield machine
09/20/2012DE102011014027A1 Verfahren und Vorrichtung für Erweiterungsarbeiten im Tunnelbau Method and apparatus for extension work in tunnel
09/19/2012EP2500514A2 Method and device for expansion work during tunnel construction
09/19/2012CN202442785U Seabed shield machine vibration monitoring device for pre-treatment construction in base rock blast
09/19/2012CN202441389U Novel shield-tunnel humanoid pavement structure
09/19/2012CN202441388U System for dredging clogged slurry door of slurry shield by virtue of back washing
09/19/2012CN202441387U Multifunctional tunnel working rack
09/19/2012CN202441386U Quick construction platform of tunnel inverted arch
09/19/2012CN202441385U Unmanned visual inspection device of shield machine forebay equipment
09/19/2012CN202441384U Disc cutter, inner chamber of which is under pressure
09/19/2012CN202441383U Hybird TBM with multiple driving modes and tunnel support modes
09/19/2012CN202441382U Novel tunnel boring machine
09/19/2012CN102678133A Device and method for stopping water when heading device enters into receiving well
09/19/2012CN102678132A Anti-rockfall reinforced concrete open-cut tunnel structure
09/19/2012CN102678131A Square cross-section jacking-pipe tunneling machine
09/19/2012CN102678130A Multi-punch pin special push pipe
09/19/2012CN102678129A Soil warehouse structure of soil pressure balanced type shield machine and soil pressure balanced type shield machine
09/19/2012CN102678128A Double-ring web type cutter head of earth pressure balance shield mechanism
09/19/2012CN102678127A Method for constructing weakly consolidated non-stratified sandstone tunnel
09/19/2012CN102678126A Method for excavating mountain tunnels in weak surrounding rock-fractured zones or shallow covered slope sections
09/19/2012CN102678115A Rolling harrowing device
09/19/2012CN102678114A Device for rolling and raking materials
09/19/2012CN102678113A Material raking and breaking and surface cleaning loader
09/19/2012CN102677703A Falling-rock-impact-resistant open cut tunnel/shed tunnel ceiling cushion layer structure and construction method thereof
09/19/2012CN101864966B Control method of grouting of shield machine and system thereof
09/13/2012WO2012120159A1 System for managing the supervision of an excavation using a tunnel boring machine
09/12/2012CN202431276U Cutting disc of mud and water balance type pipe jacking tunneling machine
09/12/2012CN202431275U Reverse circulation clogged slurry door dredging system for slurry shield
09/12/2012CN102661155A Shield machine synchronous grouting pipeline system and shield machine with same
09/12/2012CN102661153A Mechanism for stabilizing pipe piece of shield machine
09/12/2012CN102661152A Grating barrier at tunnel exit and entrance
09/12/2012CN102661151A Trough precutting test model machine for tunnel construction
09/12/2012CN102661150A Hydraulic automatic position correcting device
09/12/2012CN102661149A Construction method for transforming existing civil air defense sections into metro sections
09/12/2012CN102226400B Method and system for preventing clamping stagnation of shield body due to too large frictional resistance in earth pressure balance shield machine
09/07/2012WO2012017314A4 Closed trench tunnels
09/05/2012CN202417516U Swing mechanism of segment erector for shield machine
09/05/2012CN202417514U Shell for earth pressure balance type underground pipeline tunneling machine
09/05/2012CN202417513U Installation structure of square shaft holder fixing type advancing cutter on shield machine cutter disc
09/05/2012CN202417512U Structure for installing square shaft seat fixed type advancing cutter on cutter head of shield machine in direct-feed mode
09/05/2012CN202417511U Improved device for simultaneously injecting foam and bentonite into muck for earth pressure balance shield machine
09/05/2012CN202417510U Vertically-frozen broken tube pull-out device
09/05/2012CN202417509U Turning device for shield machine
09/05/2012CN202417508U Pushing system for pushing and turning construction of shield machine in subway tunnel
09/05/2012CN202417507U Manhole door structure and shield machine
09/05/2012CN202417506U Hydraulic deviation rectification system for earth-pressure-balanced underground pipeline heading machine
09/05/2012CN202417501U Narrow array novel slagging-off machine with side conveying trough mechanism
09/05/2012CN102654057A Construction method for treating weathering sphere in advance by using percussion drill in tunneling range of shield machine as well as formed reinforcing structure
09/05/2012CN102654056A Shield construction method for clearing obstacles by punching rock stratum section
09/05/2012CN102654055A Construction method for compound construction of large-scale underground space structure by holes, groove and piles
09/05/2012CN102071942B Processing method for protecting excavation place of shield machine from mud lining
09/05/2012CN102022119B Shield machine balance originating method
09/05/2012CN101982646B Intelligent travelling escape trunk for mine
09/05/2012CN101701523B Grating type trenchless prop excavating equipment and trenchless prop method tunnel excavating process
09/05/2012CN101608550B Observation window device applied on shield machine
08/2012
08/30/2012WO2012115858A2 Cutter assembly for tunnel boring machine with pressure compensation
08/30/2012WO2012114249A2 A method and equipment for tunnelling
08/30/2012CA2827256A1 Cutter assembly for tunnel boring machine with pressure compensation
08/29/2012CN202402039U Structure for excavating tunnel inlet on high and steep edge slope
08/29/2012CN202402038U Shield hinged control system
08/29/2012CN102650210A Method for constructing tunnel with low-half cross section being dry powder and fine sand layers
08/29/2012CN102003207B Escape platform and security channel structure for single-hole dual-line magnetic suspension tunnel
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