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JP6254670B1 |
[Subject] A continuation wall excavator provided with composition which can realize a miniaturization is provided. [Means for Solution] On a pair of rails provided in a pair of long crawlers which carry out almost parallel [of the contin...
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JP6245548B2 |
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JP6247705B2 |
A hydromill wheel (5) for excavating a trench in hard rock includes a drum (4) arranged to be rotated about its axis (A, B). The wheel (4) further includes a plurality of single disc cutters (11) mounted on the periphery of the drum (5),...
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JP6245547B2 |
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JP6240282B2 |
A ripper tip includes a front end, a rear end, and a mounting cavity extending into the rear end. The ripper tip further includes an upper surface extending between the front end and the rear end, wherein a portion of the upper surface a...
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JP6238339B2 |
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JP6234774B2 |
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JP6223843B2 |
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JP6223235B2 |
To prevent damage on a cable while reducing the construction cost, and shortening the operation time.A cable removal device is used for removing a cable 15 laid in the ground while being housed in troughs Tr1. The cable removal device ha...
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JP6199521B1 |
[Subject] According to a kind of water area sediment, cutting efficiency of a water area sediment can be raised by controlling a high-pressure pump so that cutting water pressure of a water area sediment may be adjusted, and a water area...
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JP2017160655A |
To provide a lifting device for connecting multi-drill shafts capable of reliably lifting and supporting each of drill rotation shafts of a multi-rotation axis group using a base member which is hanged by a crane, and capable of easily p...
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JP6197135B1 |
[Subject] Foundation improvement equipment which attained digging power of a mixed churning head and increase-izing of digging speed which are supported by base machine is provided. [Means for Solution] It is foundation improvement equip...
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JP2017155484A |
To further simply position mutual vertically opposed excavation shafts by rotation of a driving mechanism, without connecting at a high position as a result of it, without executing hanging-in work by a crane, in a connection method of a...
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JP6188982B1 |
[Subject] Foundation improvement equipment which has a small light weight and has a setting angle adjustment mechanism with good user-friendliness is provided. [Means for Solution] Between arm 5 of a base machine, and mixed churning head...
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JP6184216B2 |
To provide a method of burying an unnecessary pipeline, capable of simply and quickly covering the unnecessary pipeline.A method of burying an unnecessary pipeline comprises: inserting a rotary cutter 2 into the inside of an unnecessary ...
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JP2017141656A |
To provide a bullet body for forming a bullet closed conduit and a travel work machine having the same, capable of forming the closed conduit in the vicinity of slope land of including a slope face of a depression, even in deep soil of a...
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JP2017133314A |
To provide a floating mud discharge method and a floating mud discharge device capable of safely discharging floating mud in a water intake channel of a thermal power plant or a nuclear power plant.A floating mud discharge method using a...
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JP6158507B2 |
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JP6154823B2 |
A trench cutting apparatus comprises a main body portion, ground contacting conveying means on which the body portion is mounted and by which the apparatus can traverse the ground and at least one soil cutting device operable to cut a tr...
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JP6150311B2 |
A suction caisson system comprising a caisson body comprising an upper rim, a lower rim, and a weakened section positioned between the upper rim and the lower rim. The system further comprises a caisson cover constructed and arranged to ...
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JP6139540B2 |
An underwater trenching apparatus comprising a soil cutting arrangement having a forwardly disposed cutting portion and a rearwardly disposed non-cutting portion, a soil removal device configured to remove soil from a location forward of...
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JP6136824B2 |
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JP6136823B2 |
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JP6136193B2 |
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JP6132437B2 |
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JP6132436B2 |
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JP2017082415A |
To provide a display system capable of facilitating proper ripping work.A right ripper side camera takes an image of a ripper point 13. The right ripper side camera is mounted on a vehicle body. An image generation part generates a displ...
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JP2017082412A |
To provide a crawler-type tractor that maintains a good vehicle body balance when work machines are attached in front of and behind a vehicle.A crawler-type tractor includes a vehicle body, a travel device, an engine, and a fuel tank. Th...
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JP6128645B2 |
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JP6117797B2 |
A ripper shank protector including a first side, a second side, and a center face extending between the first side and the second side. The shank protector further includes a first protector mount in the first side, and a second protecto...
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JP6113341B1 |
[Subject] A constructing method of an improvement wall object which attained digging power of a mixed churning head and increase-izing of digging speed which are supported by base machine is provided. [Means for Solution] It is the metho...
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JP2017067090A |
To prevent floating of an underground pipe in re-burying the underground pipe.A base for underground pipe includes at least: a column; a mounting tool attached to the column and capable of mounting an underground pipe thereon; a fixture ...
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JP2017066826A |
To provide a joint method of a concrete member and a precast member, which can form a highly precise junction structure without being affected by mortar injection pressure when the concrete member and the precast member are joined with a...
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JP2017043921A |
To provide a machine and a method for constructing a continuous wall that may be worked even when a work height is limited, such as when there is an aerial power transmission line above a work site.A continuous wall construction machine ...
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JP2017036545A |
To excavate a circular hole for a foundation pile by a horizontal multi-spindle type excavator capable of efficiently crushing a cobblestone in a proper size.A horizontal multi-spindle type excavator for oppositely arranging an excavatio...
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JP6075957B2 |
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JP6076898B2 |
A seafloor bulk mining tool for production cutting of a seafloor bench. The tool uses a tracked locomotion system to travel across a seafloor bench. Power and control interfaces receive power and control signals from a surface source. Th...
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JP6051600B2 |
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JP6050172B2 |
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JP6047932B2 |
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JP2016204875A |
To provide an apparatus for efficiently mining seabed resources found on a seabed surface layer and in sediment accumulated thereon.A seabed resources mining system is for mining underground resources (methane hydrate, cobalt, rare metal...
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JP6029671B2 |
A suction mouth (10) for mounting on the front of a subsea mining tool and to be pushed into sediment. The suction mouth comprises a hollow body (12) having an entrance opening (14) and an exit opening (16), wherein the body converges fr...
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JP3207022U |
[Subject] In order to maintain firmly a structure built by liquefaction layer, in work which embeds a subterranean wall so that a liquefaction layer may be surrounded, a ditch digger which can excavate a Narrow slot for embedding a subte...
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JP5992871B2 |
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JP2016160649A |
To provide a ripper device and a work vehicle capable of avoiding influence on a cylinder caused by intrusion of sediment.A ripper device includes a first cylinder, a shank, and an arm. The first cylinder has a tube and a rod, and is arr...
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JP3205855U |
[Subject] In a case where it is the digging axis of a multiaxial excavator which turned below two or more digging axes which have a digging head at a tip, and was connected with drive mechanism, and a digging axis has a continuous screw ...
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JP5952793B2 |
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JP2016102375A |
To provide a mining device for seabed deposit capable of accumulating excavation muck from a conventional seabed excavator on a mining mother ship afloat on the sea and at anchor, without using a large-output submerged pump and with less...
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JP2016056579A |
To provide an excavator and an excavation method capable of reducing quantity of bentonite used when excavating a pile hole.While rotatably pressing a casing 1 having an injection pipe 2 for injecting a bentonite liquid on an outer perip...
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JP5898095B2 |
A blade assembly comprising compartments for cooling fluid.
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