Patents
Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097)
11/2012
11/14/2012CN102777188A Mine milling-excavating integrated machine
11/14/2012CN102777187A Device and method for tunnel construction
11/14/2012CN102776899A Anti-floating structure of shallow-buried shield tunnel
11/14/2012CN101806219B Two-piece all-hydraulic tunnel drilling machine
11/13/2012DE202012104104U1 Vorrichtung zur Befestigung einer Abdichtbürste an einer Tunnelbohrmaschine Device for fastening a sealing brush to a tunnel boring machine
11/07/2012CN202520320U Multifunctional movable type tool car for tunnel excavation
11/07/2012CN202520319U Hob with hard alloy edges
11/07/2012CN202520318U Foam injection system of shield machine
11/07/2012CN202520317U Minimum-clear-distance tunnel rear hole excavating construction structure
11/07/2012CN102770622A Jacking pipe cushioning material, and jacking pipe
11/07/2012CN102767379A Shallow-buried unsymmetrical pressure section tunnel drilling construction method
11/07/2012CN102767378A Method for constructing distyle tunnel portal by framed bent
11/07/2012CN102767377A Loess strata subway tunnel earth pressure balance shield construction method
11/07/2012CN102767376A Shield balanced launching and arriving construction method
11/07/2012CN102767375A Tunnel construction method
11/07/2012CN102767374A Firm high-speed information-based submarine tunnel built by use of graphene new material
11/07/2012CN102168564B Reconstruction and recovery technology for upright mine and vertical mine shafts after catastrophic collapse
11/07/2012CN102134998B Construction method for wind-blown sand tunnel
11/07/2012CN102102522B Track and posture composite control method in shield tunneling process
11/07/2012CN102071943B Centrifugal experimental simulation testing device for surface subsidence induced by city shield tunnel construction
11/07/2012CN101798933B Simulation test system for soil pressure balance shielding screw conveyer
11/01/2012US20120274122 Bit replacing device for excavating machine
10/2012
10/31/2012EP2516791A1 Method for replacing a tunnel boring machine disk cutter, handling device and disk cutter suited to such a method
10/31/2012CN202510125U Butterfly underground engineering access tunnel
10/31/2012CN202510124U Remote control heading machine for tunnel mine
10/31/2012CN202510123U Tunnel surrounding rock cutting mechanism
10/31/2012CN202510122U Cutter disk-free type earth pressure balance shield machine
10/31/2012CN202510121U Hard rock boring machine
10/31/2012CN102758646A Tunnel collapse life saving machine
10/31/2012CN102758636A Firm high-speed informatization deep-stratum subway built by novel graphene material
10/31/2012CN102758635A Construction method for tool changing under pressure in shield of water-rich silty soil and silty sand stratum under station tracks of railways
10/31/2012CN102758634A Assembling type reaction frame device for shield launching and propulsion
10/31/2012CN102758633A Construction method for large- cross section tunnel with better condition of surrounding rock
10/31/2012CN102758632A Rock stratum double initial support layering method for establishing large-scale underground structure
10/31/2012CN102758626A Low-height redirection mechanism ultra-thin conveying rolling-raking loader
10/31/2012CN102758625A Material rolling-raking loader and material rolling-raking loading method
10/31/2012CN102758624A Material rolling and raking device
10/31/2012CN101967977B Construction method for controlling rock pillar type rock burst in process of double-head tunneling deep-buried tunnel transfixion
10/24/2012CN202500583U Duct piece carrying device for shield machine
10/24/2012CN202500577U Orepass buffer chamber
10/24/2012CN202500576U Belt conveyor for shielding
10/24/2012CN202500575U Complete device for construction of annular cutting arch-forming pre-supporting tunnel
10/24/2012CN202500574U Cutter expansion device for shield
10/24/2012CN202500573U Hob capable of being pushed out
10/24/2012CN202500572U Shield machine with rolling stopper
10/24/2012CN202500571U Multi-edge flange-type hob
10/24/2012CN202500570U Scouring apparatus for cutterhead central area of large-scale slush type shield machine
10/24/2012CN202500569U Tail sealing device of shielding machine
10/24/2012CN202500568U Earth pressure gauge replacement device for shield
10/24/2012CN102748038A Full-recovery shield tunnel enter and exit water stop device
10/24/2012CN102748035A Artificial mountain body tunnel construction cave entering method
10/24/2012CN102748034A Jacking type pipeline heading machine
10/24/2012CN102748033A Filling mechanism for ultra-long jacking-pipe resistance-reducing slurry bin
10/24/2012CN102748032A Mechanized rapid construction method for traditional rock drivage
10/24/2012CN102748031A Water pressure control method for use in TBM (Tunnel Boring Machine) method construction of heavy-gradient high-burial-depth water-rich stratum inclined shaft
10/24/2012CN102094649B Method for constructing underground space by shield-shallow buried covered excavation composite method
10/18/2012WO2012140222A1 Method and device for nondestructive drilling
10/18/2012WO2012061855A3 Tunnelling machine
10/17/2012EP2511472A1 Method for making tunnels or perforations in civil engineering works using sacrificial tunnels
10/17/2012CN202493274U Structure of striding large across-section tunnel on existing tunnel through shallow underground excavation
10/17/2012CN202493273U Heading machine
10/17/2012CN202493272U Workbench for coal mine excavation
10/17/2012CN202493271U Open type shield slag-tapping switching mechanism
10/17/2012CN202493270U Floating type shock absorption cutter box for installing hob
10/17/2012CN102733817A Method for determining construction sizes of tunnel and cavern
10/17/2012CN102733816A Deformation control method when shield traverse building within short distance
10/17/2012CN102733815A Full-face rectangular hard rock tunneling and anchoring integrated machine
10/17/2012CN102733814A Copy cutter device
10/17/2012CN102733813A Opened shield sealing device
10/17/2012CN102733812A Small interval tunnel side wall expanded excavation tunnel construction method for turnout section of river bottom of city
10/17/2012CN102733802A Composite rotary-cutting mining machine
10/16/2012DE202012008809U1 Schildvortriebsvorrichtung Shielding apparatus
10/11/2012WO2012077941A3 Drain system of shield tunnel lining and method for constructing shield tunnel using same
10/10/2012CN202483606U Double-track tunnel based on sharing air-exhausting contacting air flues and airshaft
10/10/2012CN202483586U Urban underwater interchange tunnel structure
10/10/2012CN202483585U Hob disassembling apparatus
10/10/2012CN202483584U Shield hob applicable to environment of high water pressure and high earth pressure
10/10/2012CN202483583U Hobbing cutter used for shield machine
10/10/2012CN202483582U Novel shield hobbing cutter
10/10/2012CN202483581U Shield tunneling machine cutter with changeable relief angle
10/10/2012CN202483580U Device capable of changing between earth pressure balance shield and tunnel boring machine (TBM) hard rock tunneling
10/10/2012CN202483459U Shield machine for tunnel construction
10/10/2012CN102725480A Method and device for working rock
10/10/2012CN102720641A Sight and firewood integrated off-grid power supply system
10/10/2012CN102720512A Slurry, liquid and gas conversion construction method and conversion device of hydraulic drill jumbo
10/10/2012CN102720511A Tunnel construction structure for draining and desilting
10/10/2012CN102720510A Shield construction soil discharge quantity real-time on-line measuring device with pin wheel device
10/10/2012CN102720509A Rotary joint of shield machine
10/10/2012CN102720508A Shield construction method for continuously under-passing dense buildings in silty-soil and silty-sand formation
10/10/2012CN102720507A Radial type shield body torsionproof device
10/10/2012CN102720506A Method for replacing tail brush in shield tunnel through liquid nitrogen freezing
10/10/2012CN102720505A Excavation method of tunnel having upper semi-section consisting of dry fine sand layer
10/10/2012CN102720504A Double-side-wall-pilot-hole subsection bench cut method construction method
10/10/2012CN102720503A Active-type automatic deviation rectification device of pipe-jacking tunneling machine
10/10/2012CN101922298B Self-walking shield translation station-crossing system
10/10/2012CN101598023B Control method for shield tunnel axis having underground structure on adjacent side
10/03/2012EP2505774A1 Railway tunnel of improved safety
10/03/2012CN202467856U Ultra-long road tunnel with bi-directional intercommunication structure
10/03/2012CN202467855U Slurry circulating steering device
10/03/2012CN202467854U Highway tunnel repairing truck without occupying driving lanes
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ... 71