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)
12/2013
12/04/2013CN203321530U Cushion course structure used for constructing overlapped tunnel above existing tunnel
12/04/2013CN203321529U Train type rapid lifting and folding work platform for tunnel engineering
12/04/2013CN203321528U Operation platform for mine shaft heading face
12/04/2013CN203321527U Longitudinal-section pipe jacking machine
12/04/2013CN203321526U Hobbing cutter ring adaptable to soft rock construction
12/04/2013CN203321525U Shield type roadway heading machine
12/04/2013CN203321524U Articulated device of shield tunneling machine
12/04/2013CN203321523U Large-span high-side-wall underground space building
12/04/2013CN203321522U Crawler-type universal tunnel milling and excavating machine
12/04/2013CN203319206U Belt conveyor for shield machine
12/04/2013CN103422868A Structure and method for dissipating excess pore water pressure and reinforcing shield tunnel soil body
12/04/2013CN103422867A Tunnel construction perturbation control method based on digitization
12/04/2013CN103422866A Underground folding start method for assorted trolleys after shielding
12/04/2013CN103422865A Tunnel excavation plastic cutter and tunnel arc-shaped excavation method for weak surrounding rock section
12/04/2013CN103422864A Method for controlling micro-perturbation construction during process of electric power tunnel passing through existing building
12/04/2013CN103422863A Method for ultra-deep foundation pit construction in complex environments
12/04/2013CN102619530B Torque-balanced jacking pipe
12/04/2013CN102562083B Hob capable of being pushed out
12/04/2013CN102434754B Airbag piston (for slurry shields) for blocking pipes
12/04/2013CN102425422B Method for constructing cross-over chambers with full-coal outsize cross section under host lane ceaseless transportation condition
12/04/2013CN102400692B Rotary mechanism of tube sheet splicing machine for shield machine
12/04/2013CN102383805B Mixed TBM (Tunnel Boring Machine) with multiple-boring mode and tunnel supporting mode
12/04/2013CN102305084B Installation structure for cylindrical forward knife in cylindrical hob box
12/04/2013CN102287201B Shield machine with center drill system
12/03/2013CA2698692C Method and software product for designing drilling pattern for rock cavity excavation
12/03/2013CA2670078C Designing drilling pattern for excavating rock cavern
11/2013
11/27/2013CN203308470U Cover arch structure suitable for large-section unsymmetrical loading tunnel portal section
11/27/2013CN203308469U Four-way dome structure system of cable tunnels
11/27/2013CN203308468U Micro-thrust heading machine
11/27/2013CN203308467U Simple small shield machine for experiment
11/27/2013CN103410550A Method for constructing underground air crossing of coal mine
11/27/2013CN103410523A Double-layer water-stopping steel ring for shield starting tunnel portal and mounting method of double-layer water-stopping steel ring
11/27/2013CN103410522A Continuous close-range underpass railway bridge construction method employing shallow tunneling method
11/27/2013CN103410521A Water sprayer for tube push bench
11/27/2013CN103410520A Simple and convenient shield stepping counter-force device
11/27/2013CN103410519A Rockburst-preventive tunnel face structure for tunneling and rockburst-preventive tunneling method
11/27/2013CN103410518A Large-diameter hand-dug pipe-jacking heading machine
11/27/2013CN103410517A Fast driving stepping self-moving rubber belt conveyor tail supporting device
11/27/2013CN103410516A Surrounding rock deformation early-warning construction method for small-diameter tunnel full-section excavation
11/27/2013CN102392656B Reinforced serrated knife with flat head
11/27/2013CN102305844B Soil pressure cabin model device for soil pressure balance shield construction soil body improvement experiment
11/27/2013CN102296961B Karst tunnel large-scale cavern processing method
11/26/2013US8590982 Longwall mining roof supports
11/21/2013WO2013172663A1 Underground railway crossing construction method for directly installing precast concrete slab
11/21/2013DE102011120760B4 Auslegervorrichtung für eine Baumaschine sowie Baumaschine mit einer derartigen Auslegervorrichtung A bracket assembly for a construction machine and construction machine with such a boom assembly
11/20/2013CN203296777U Simulation experiment device of tunnel boring machine
11/20/2013CN203296776U Tunnel boring machine cutter head welded connecting box
11/20/2013CN103397892A Shield starting tunnel portal extension steel ring
11/20/2013CN103397891A Cutting blade disc of muddy water balance push bench
11/20/2013CN103397890A Locating device for mounting hobs of shield tunneling machine, and using method of locating device
11/20/2013CN103397889A Starting trolley for split starting of shield
11/20/2013CN103397888A Frame device for lifting and transporting tunneling head-on temporary bracket, and operation method
11/20/2013CN103397887A Mud and foam adding system of shield tunneling machine
11/20/2013CN103397886A Excavation roadway supporting working platform
11/20/2013CN102061925B Screw rod type soil conveyor capable of stretching along axial direction
11/20/2013CN101970797B An apparatus for forming an underground tunnel
11/13/2013CN203285474U Water mist spray fire resisting rolling shutter device fire extinguishing system for tunnels
11/13/2013CN203285447U Widened winch cavern
11/13/2013CN203285446U Gap follow-up gangue distributing device or mine car in continuous gangue discharging mode of rock roadway
11/13/2013CN203285445U TBM cutterhead motor inertia fly wheel compound driving device
11/13/2013CN203285444U Vault pressure supporting system in earth pressure shield excavation
11/13/2013CN203285443U Shield cutterhead for stratum enriched with large-particle-sized boulder
11/13/2013CN203285442U Diesel-driven heading machine
11/13/2013CN103388479A Construction device and construction method for preventing tube push bench and tube section from rotating by using inhaul cable
11/13/2013CN103388098A Carbide hobbing cutter
11/07/2013WO2013054106A3 Organomineral solid and foamed material
11/06/2013CN203271798U Anti-corrosion spraying seat
11/06/2013CN203271767U Foundation structure inside tunnel boring machine cave
11/06/2013CN203271757U Underground pipeline heading machine with earth pressure balance
11/06/2013CN203271756U Full-fracture-surface heading machine oval fracture surface cutting device
11/06/2013CN203271755U Combined reaming cutter
11/06/2013CN203271754U Clamping device for center cutter
11/06/2013CN203271753U Planetary cutterhead combined type rectangular heading machine
11/06/2013CN203271752U Multifunctional underground roadway tunneling locomotive
11/06/2013CN203271751U Center cutter for tunnel boring machine
11/06/2013CN203271750U Center cutter for tunnel boring machine
11/06/2013CN203271749U Micro shield tunneling machine knife disc
11/06/2013CN203271748U Model shield tunneling machine starting device capable of achieving counter-force self-balance
11/06/2013CN203271747U Shield tail sealing and grouting stopping device
11/06/2013CN203271515U Slurry door for slurry-water shield tunneling machine and filling system of slurry door
11/06/2013CN103382844A Temporary support and permanent support parallel operation excavating technology and equipment for tracked hydraulic combined support
11/06/2013CN103382843A Construction device and construction method for preventing tube push bench and tube joint from rotating by pull rod
11/06/2013CN103382842A Construction method for avoiding rotation ofpipe jacking machineand pipe joints
11/06/2013CN102852527B Cutter disc and cutter improving method for accelerating shield excavation in dense sand layer
11/06/2013CN102562079B Method for calculating pitch bending moment in process of adjusting direction along depth direction during shield tunnelling
11/06/2013CN102410025B Tunneling control system for underground engineering in model test
11/06/2013CN102337902B Slag removal device for tunneling operation
11/06/2013CN102121382B Composite rotary cutting mining machine
11/05/2013CA2534958C Rock drilling machine and rock drilling system
10/2013
10/31/2013WO2013050010A3 Device for monitoring the state of rotation of a disk cutter arrangement of a shield tunnel boring machine and disk cutter arrangement for a shield tunnel boring machine
10/31/2013DE102012010639A1 Method for advancing inclined haul heading coming out of ground, involves drilling freezing holes upto carbonaceous mountain or non-water-guiding mountain to be provided with down pipes in area of water-guiding formation
10/30/2013CN203257425U Tunnel daylighting and ventilation integrated device
10/30/2013CN203257424U Steel truss arc shed used on arctic-alpine ever-frozen ground tunnel portal
10/30/2013CN203257423U Tunneling operation machine
10/30/2013CN103375171A Counterforce frame in shield hole
10/30/2013CN103375170A Underground excavation construction deformation control method for three-hole small clear distance tunnel underpass trunk railway
10/30/2013CN102410027B Dual-mode TBM (tunnel boring machine) and control method thereof
10/30/2013CN102226413B Gas extraction method of cross hole drilling area of gas discharge laneway
10/23/2013EP2653766A2 Pressure compensation ring to be mounted between two propulsion tubes of an underground propulsion tubing system
10/23/2013CN203248165U Excavating machine tool suitable for excavating at loess tunnel contour
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ... 71