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WO/1987/003862A1 |
Device for transporting load units consisting of a drive system carrier (1) to which two track-laying drive systems (2, 3) are linked. A lifting platform (16) is supported opposite the drive system carrier (1) over several longitudinally...
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WO/1986/007409A1 |
The system comprises electronics (18) within a flame-proof enclosure (16) communicating with controls outside the enclosure (16) via a fibre optic link (22) and interface (24). The fibre optic link (22) has a plurality of channels each c...
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WO/1986/004672A1 |
In a method enabling to control in situ movement processes in solid media, there are electric sensors and signal emitters mounted and fixed in the medium to be controlled, the signal emitters being mounted, if desired, outside said mediu...
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WO/1985/004444A1 |
A stopping system for an underground tunnel comprises an array of steel cables (8, 8a) tensioned across the tunnel opening (3) and connected at their free ends to earth anchors (4, 5, 6, 7) located in bore holes (1) around the periphery ...
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WO/1985/003546A1 |
A self contained towable power supply adapted for the tramming or flitting of electrically powered underground mining machines such as continuous miners, shuttle cars, breaker feeders, face shearers and similar electrically powered minin...
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WO/1984/002952A1 |
A crushing plant comprising a crushing rotor (12), a crushing plate (13) as well as an endless conveyor belt (6) supplying the material to be crushed and sweeping the crushing plate (13), has a particularly simple structure, the endless ...
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WO/1984/002741A1 |
Method in the excavation of rock caverns, substantially cylindrical vertical caverns, for storing liquids or dry products, or for use in storing process units, in which method an upper and a lower circumferentially extending cavern (4, 1...
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WO/1984/002739A1 |
The method to control the feeding of a fluid medium to a cutter-loader provides for feeding the fluid medium both for actuating hydraulic cylinders (14, 15) of the cutter-loader propulsion mechanism and for the dust suppression which is ...
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WO/1984/002771A1 |
It is known that in cavities structures, the walls often need a long time to stabilize. In order to determine whether rock displacements may occur and to which extend they may occur, measurement instruments are incorporated into the wall...
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WO/1983/003444A1 |
A breaker-feed apparatus including a mineral inlet compartment having a mineral sizer which breaks mineral to a desired size, feed means for feeding the broken material into a storage compartment, the storage compartment including convey...
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WO/1983/002409A1 |
A dewatering screen is manufactured by laying screen wires (40) in the parallel grooves (18) of a number of support members (13) so as to form a frusto-conical wire array. The support members (13) are movable inwardly to release the scre...
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WO/1983/001973A1 |
Improvement in a bucket-equipped loading machine, particularly a so-called wheel loader, having at one end of the machine a loading bucket which is supported for raising and lowering movements by a pair of lift arms, journalled in the ma...
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WO/1983/001274A1 |
The protection device against explosions in underground works is comprised of one or a plurality of containers containing extinction material which are made of a flexible material tight to the extinction material and complying with the r...
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WO/1983/000526A1 |
Method for constructing a liquid-product storage location in rock formations, said location comprising a first cavity, and a plurality of second cavities located outside the first cavity. In accordance with this method there is first for...
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WO/1983/000247A1 |
For the early detection of fires smouldering in containers containing lignite dust, the presence of gas containing hydrogen and/or hydrocarbons is measured within the containers, respectively around the containers, those gases not being ...
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WO/1982/003245A1 |
A doorway frame for use in underground passageways consists (Fig. 7) in spaced apart upright members (11, 12) the length of each of which may be independently adjusted by an extension member (13, 14), clamp (15) secures an upright and ex...
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WO/1982/001926A1 |
Coupling for mine ventilation conduits (10), (12), (70), (72) comprising a first tubular ventilation conduit having a flared end portion (14), (74) for receiving an end portion of a second tubular ventilation conduit, a resilient compres...
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WO/1982/000776A1 |
A water spray cooler (10) with a pair of water collecting mesh structures (38, 46) and having a water spray nozzle (40) assembly disposed therebetween. Air entering the cooler inlet port (14) is directed through the mesh structures and t...
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WO/1980/002152A1 |
A method for recovering high-grade, preferably sulphur-free fuel from bituminous or pyrobituminous mineral-fuel materials, such as coal, oil shale and alum shale, said method comprising finely-dividing the raw material and dividing said ...
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WO/1980/001948A1 |
A store for storing heat in rock is produced in that the rock is split up hydraulically in approximately plane parallel fissure planes from a number of boreholes (9, 9', 9'', 26). One or more production holes (12, 12', 12'', 24, 29) are ...
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WO/1980/000361A1 |
A method of underground mining mineral (10, 11) or preparation of rock cavities, whereby resulting hollow spaces can be refilled entirely or partially with temporarily stabilizing ice (21). The hollow space resulting from the mining is p...
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WO/1979/000889A1 |
An air cleaner suitable for vehicles, ships, mines and tunnels has a tank for cleaning liquid, an extensible or flexible feed tube (12) for air, and means (16, 18, 20) for maintaining the outlet of the feed tube at the level of the clean...
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JP2024054553A |
[Problem] The present invention significantly shortens the construction period by reducing the number of on-site processes as much as possible when constructing a tunnel lifeguard passage, and after the tunnel is in service, inspection a...
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JP2024054449A |
[Problem] To provide a road tunnel smoke detection control system that can estimate fire detection at an early stage. [Solution] A sensor group 110 that obtains various data inside the tunnel, including a plurality of smoke detection sen...
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JP2024049991A |
[Problem] To provide a safety management system and a safety management method that can effectively prevent contact accidents between heavy machinery and workers with a simpler structure inside a tunnel or the like. The system includes a...
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JP2024048258A |
An object of the present invention is to provide a skin fall protection guard that can provide reliable protection for workers and is easy to install and move. [Solution] The skin fall protection guard 100 has a width exceeding the width...
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JP3246290U |
An object of the present invention is to provide a device for sequentially connecting drainage pipes at an intersection of a tunnel with a lot of water, which improves the connection strength between bent drainage pipes and avoids the ph...
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JP7461898B2 |
To provide a crane mechanism that can secure the suspension allowance of a carrier even in a small-diameter shield pit.A crane mechanism 30 installed behind a shield excavator in a shield pit constructed of hexagonal segments having a gr...
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JP2024046001A |
[Problem] When a moving object such as a vehicle that has a heat source is running, it is difficult to determine whether there is a fire. [Solution] An optical fiber distributed temperature sensor that measures temperature by detecting r...
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JP2024044790A |
[Object] To effectively suppress condensation on the inner wall surface of a tunnel. A method for suppressing dew condensation on an inner wall surface of a tunnel according to an embodiment of the present invention includes a duct provi...
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JP2024042315A |
[Problem] An airflow measurement device in a windpipe that can more accurately measure gas flowing through a windpipe temporarily installed in the upper space of a mine, and can also handle windpipe of different diameters, and airflow in...
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JP7454367B2 |
To provide a low frequency sound reduction device for a tunnel which can facilitate installation and a change of a resonance frequency.A low frequency sound reduction device 10 for a tunnel 1 includes: sound absorbing walls 11 provided w...
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JP7454170B2 |
Provided is a multi-functional plugging agent for a coal mine and a preparation method thereof. The preparation method comprises: by taking Ecklonia Kurome Okam as a raw material, mixing an Ecklonia Kurome Okam suspension with phosphorus...
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JP7450370B2 |
To smoothly install pipes in a tunnel while efficiently connecting the pipes under a good working environment.A tunnel structure comprises: a tunnel 1 including a first circular arc part 14 and a second circular arc part 15; pipes 20 cur...
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JP7450092B2 |
To extinguish or suppress the fire while securing an evacuation environment by surely partitioning a fire breakout region in a tunnel and blocking smoke, heat and fire.A partition sheet 16a is developed by turning a turn-type partition d...
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JP2024033371A |
[Problem] To effectively improve cleaning efficiency. [Solution] Moving devices 11A, 11B are movable in a tunnel T at least in the tunnel axis direction, and are disposed above the moving devices 11A, 11B in a direction orthogonal to the...
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JP7441986B2 |
To reduce the blasting sound by structural elements other than a soundproof wall, and to use a lighter soundproof wall.The present invention comprises: a step of introducing a structure to be used for construction of a tunnel 11, for exa...
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JP7440096B2 |
To effectively perform ventilation inside a tunnel during assembly and dismantling of an arch center.When constructing lining concrete on an inner peripheral surface of a tunnel using an arch center 11, air in the tunnel is ventilated by...
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JP7429574B2 |
To enable automatic inspection of operation of manual sliding doors which are opened manually.An automatic inspection device for sliding doors includes doors which are manually opened (a first sliding door 1, and a second sliding door 2)...
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JP2024017679A |
An object of the present invention is to provide a lifting device for a shaft that can reduce human burden and perform work safely and efficiently. [Solution] A shaft lifting device 10 of the present invention includes a lifting pedestal...
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JP3245580U |
[Problem] Not only realizes intensive air purification of multiple exhaust passages, but also adopts modular design and can select different processing modules according to different air conditions, which is very convenient. Provides tun...
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JP2024016152A |
[Problem] To realize a system that can detect both flame and smoke, and requires less labor to install and maintain these devices than when installing a flame detector and a smoke detector separately. . [Solution] A disaster prevention s...
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JP3245559U |
The present invention provides a gas tunnel dust ventilation system. [Solution] A ventilation duct is fixedly installed on the side wall of the tunnel body, a dust removal device is installed inside the tunnel body, and the dust removal ...
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JP2024010836A |
An object of the present invention is to provide an invert piping fixing cart that can simultaneously position the piping and prevent it from floating. [Solution] The invert pipe fixing cart 1 of the present invention includes a support ...
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JP7421253B2 |
Provided in the present application is an intelligent tunnel drilling device, comprising: a six-axis robotic arm, a drilling machine mounting foundation, a drilling machine, limiting structures, a pressure sensor and an intelligent analy...
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JP7421429B2 |
To limit a hot spot such as a fire to a narrower range in a tunnel disaster prevention system that doubly monitors the inside of a tunnel by a plurality of detectors installed in the tunnel.A tunnel disaster prevention system 1 comprises...
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JP2024008269A |
[Problem] To clearly see the abnormality itself that has occurred. A sensor 2 is a camera, a smoke sensor, a flame sensor, etc. that monitors a passageway, and sends information indicating the sensing results to a lighting control device...
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JP7407317B1 |
[Problem] To efficiently suppress the increase in carbon dioxide concentration inside a tunnel by simple control. [Solution] A blower pipe 2 disposed in an underground hole 11 of a tunnel 10, a first fan 3 that generates airflow to the b...
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JP2023182348A |
To reduce environmental impact by increasing the efficiency of ventilation fan output to suppress the rise in carbon dioxide concentration inside a tunnel.An environmental control system 12 comprises a control unit 14 that controls an en...
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JP7403267B2 |
To utilize various types of tunnels, such as a railroad tunnel of a disused railroad and a disused road tunnel, to generate power safely and efficiently.A wind power generator 1 includes: a segment ring 9 installed within a tunnel 2; a w...
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