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JP7260339B2 |
the first inclinometer and the first cable are fastened to the body on opposite sides of the swivel link.
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JP7254608B2 |
To provide an excavation device that has excellent mobility and economical efficiency without reducing the work radius, and that can easily extend a casing rod and form a column row type soil cement wall with a great depth.An excavation ...
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JP7252337B2 |
The present invention relates to a special civil engineering machine, in particular a slurry wall cutter, comprising at least one rotating tool and a tool drive that is arranged within a housing of the special civil engineering machine a...
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JP2023033270A |
To provide a pile driver capable of suppressing rollover accidents to the minimum and improved in work efficiency, when used on a rough terrain or a steep slope of unfavorable conditions which is used as a site for wind power generation ...
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JP2023030610A |
To prepare homogeneous solidifying soil by efficiently and uniformly adding a solidifying material to raw material soil to improve the working efficiency of agitating and mixing.An agitating device 10 comprises an upper solidifying mater...
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JP2023030608A |
To reduce labor, shorten working time, and improve work efficiency by excavating raw material soil, adding a solidifying material to the excavated raw material soil, and agitating and mixing the material.An agitating device 10 that is sw...
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JP7229403B2 |
An apparatus (2) for forming a trench in a sea floor and/or displacing material on the sea floor is disclosed. The apparatus comprises a body (4) and front skids (12) mounted to the body for engaging the sea floor and supporting the body...
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JP2023025322A |
To provide a continuous wall excavator capable of excavating a bore in a vertical direction even when a ground surface is slightly oblique rather than horizontal.A continuous wall excavator is configured to attach a chain 24 for excavati...
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JP7222161B2 |
To safely assist a worker ascending a slope.A rope 18 unwound from a winch part 10 is set on a pulley 52 and its tip is bound to a safety belt 59 attached to a worker 20, and the worker goes up or down a slope 37 by controlling the winch...
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JP2023503834A |
Disclosed is an apparatus for bringing elongated elements to the sea bed. The device has a body with groove forming means for forming grooves in the seabed and a receiving portion for receiving the elongated element. The body is configur...
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JP2023012605A |
To provide a riprap feeding device capable of making a construction efficient.In a process in which movable plates 11L, 11R move from a lower end position to an upper end position, first rooms 21L, 21R, second rooms 22L, 22R, and third r...
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JP2022187219A |
To provide a construction machine allowing inexpensive construction of widened underground continuous walls, without largely improving the conventional construction machines.A chain type cutter 2 for constructing underground continuous w...
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JP2022183464A |
To provide a slope work vehicle capable of appropriately performing drilling work even on a steep slope and appropriately supporting long parts such as guide shells and rods.A slope work vehicle comprises a work vehicle body, a traveling...
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JP7182991B2 |
To obtain a reactive force in a horizontal direction by pressing a side face of an underground structure or a hole with an excavation device, to excavate even a hole in a hard ground in a lateral direction with high excavation property t...
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JP2022549409A |
The invention is a drive for a construction machine, in particular a trench cutter, comprising a connecting support and a wheel support. the drive is rotatably supported on the connecting support via at least one rolling bearing and is r...
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JP7162552B2 |
To provide a diameter expansion device capable of accurately and efficiently expanding a diameter of a drilling hole formed for an underground continuous wall with a simple constitution.A diameter expansion device 1 for expanding a diame...
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JP7160467B2 |
The invention relates to a method for working the soil and an associated construction machine, which comprises at least one rotating drive unit for rotationally driving a tool for working the soil and at least one feed unit, with which t...
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JP2022147086A |
To provide a system for recovering deposits in water which can continue recovery work of deposits in water without returning a device to the ground in the middle so as to improve work efficiency greatly.A system for recovering deposits i...
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JP2022147085A |
To provide a system for recovering deposits in water which can continue recovery work of deposits in water without returning a device to the ground in the middle so as to improve work efficiency greatly.A system for recovering deposits i...
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JP7139410B2 |
A trench cutting apparatus and method, the apparatus comprising a central support element comprising at least one jetting outlet and a cutting element configured to be driven around the central support element. The trench cutting apparat...
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JP7139033B2 |
To provide a ripper shank capable of suppressing the occurrence of cracks and a ripper device including the ripper shank.A ripper shank 10 includes a main body portion 12 and an insertion portion 13 that is continuous from the main body ...
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JP7129388B2 |
To provide a work vehicle that can reliably remove sediment excavated by a trencher without obstructing the view of an operator boarding a cab.A work vehicle (1) comprises a vehicle body (2, 3) that can run, a trencher (10) that is suppo...
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JP2022127682A |
To transmit measured data of a tip position of a casing rod in an excavator through a wired transmission line and a radio transmission line arranged at appropriate places, and to authenticate the rod tip position by accurate and reliable...
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JP7128047B2 |
To provide a sunk wood crusher and a cutting bit capable of lowering frequency of changing the cutting bits.A sunk wood crusher 1 for crushing sunk wood in a water bottom comprises: a cylindrical cutter drum 3 rotatably provided around a...
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JP7117024B2 |
To provide an underwater bulldozer capable of easily executing dredging work according to water depth even in water area with deep water depth or in water area with varying water depth.An underwater bulldozer 10 includes a float pontoon ...
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JP2022110270A |
To provide the improvement width widening device of an earth retaining wall easily attachable to a multi-spindle auger machine when constructing a soil cement column row wall and the like, and capable of excavating while surely widening ...
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JP7107767B2 |
To provide a dredging station and a dredging system capable of efficiently drilling and dredging sediment at the bottom of a dam lake.A dredging station 50 includes: a dredging unit 52 capable of walking on the bottom of dam lake; twin s...
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JP7096546B2 |
To provide crushed stone filling device and method which can efficiently fill the groove with a crushed stone and can improve workability.A crushed stone filling device 11 that fills a groove 15 with a crushed stone 16 includes: a crushe...
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JP7090859B1 |
To provide a work vehicle capable of traveling while creating a work unsuitable environment such as a steep slope. The lower traveling body 1 capable of moving forward and backward, an upper turning body 2 provided with a cabin 7, and a ...
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JP7084763B2 |
To provide a dredge device capable of improving the efficiency of collecting gravel soil.A dredge device 1 of the present invention comprises a chamber 2 having an opening 2a facing the ground S, a suction device 3 having a suction port ...
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JP7084928B2 |
The invention provides a boring machine (10) for making a trench (T) in soil (S), the machine comprising a frame (12) that extends along a longitudinal direction (A), said frame (12) carrying a boring device (20) provided with four rotar...
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JP2022079217A |
To provide a filling device which efficiently fills a tube with sand on a ground surface.A filling device 1 fills a tube with sand. The filling device 1 comprises: a travel device 30 making the filling device 1 travel; an auger 45 scrapi...
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JP7066544B2 |
To provide a sloping surface work vehicle that can move on sloping surfaces efficiently.The sloping surface work vehicle is composed of: a work vehicle body; a pair of left and right traveling devices that are provided on the work vehicl...
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JP2022522451A |
The present invention comprises a drive case and a drive case comprising two housing portions (13,14) that enclose an interior (16) that houses a drive and / or shift element and are relative rotatable and mutually sealed by a sealant (1...
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JP2022061734A |
To provide a ripper point mounting structure that allows a ripper point to be easily attached and detached.In a ripper point mounting structure 6, a pin member 13 is inserted into a first pin hole 23 formed in a ripper shank 11 and a sec...
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JP2022521312A |
The present invention relates to a slurry wall cutter for forming a slurry wall in a special civil engineering work. The present invention relates to a drilling wheel assembly for a slurry wall cutter (1) comprising a rotary driveable cu...
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JP7039343B2 |
To provide a drilling position measurement method capable of reducing errors of a measured value measured by a sensor and improving the accuracy of measuring the position of excavation means.After passing a rope 5 to a sheave provided in...
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JP7036132B2 |
An excavation data processing method includes: a first acquisition step of acquiring position data of a reference part of an excavating body, position data of a plurality of measuring parts with respect to the reference part in the excav...
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JP6999165B2 |
To solve the problem in which the conventional multi-axis drilling and stirring apparatus adopts a configuration in which each drilling shaft is engaged with gears and the like to synchronously rotate a plurality of drilling shafts, and ...
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JP6981651B2 |
To provide a seabed foundation construction robot capable of fixing an ocean structure permanently in the sea/submarine in a short period of time and at low cost and constructing a foundation of ocean current power generation, a foundati...
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JP6958901B2 |
To provide an amphibian motor car excellent in work property in a fixed state on-water, without overturn in turning or mud dredging work, and excellent in handling ability in use on a land and in on-water travel time.An amphibian motor c...
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JP6938300B2 |
To provide a seabed ore intake apparatus installed on the seabed side in an ore lifting method using carrier material other than sea water, an ore lifting apparatus using the same, and a seabed ore lifting method.A seabed ore intake appa...
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JP6933839B2 |
To solve a problem that, when conventionally liquid is supplied from three fixed side flow channels D branching from one main flow channel concurrently to respective rotational side flow channels C, deviation of liquid supply is generate...
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JP2021518500A |
The present invention relates to a trench cutter and method for creating a trench in the ground, wherein the trench cutter is a cutter frame and at least one set of cutting wheels rotatably mounted and driven at the lower end of the cutt...
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JP6881720B2 |
To provide a multiple-spindle excavation machine in which constructions at various pitches and eccentric manner by just one excavation machine are made possible, only by diverting or partially improving currently used general equipment.I...
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JP6869816B2 |
To provide a fluid pipe introduction device capable of suppressing influence of sediment on a fluid pipe by accumulating the sediment substantially evenly in a horizontal direction in an axial view of the fluid pipe, the sediment occurri...
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JP2021055380A |
To solve the problem in which conventionally, a drilling shaft is supported by a sliding contact body that slides into a wall surface of a drilling hole regardless of the ground properties at a work site, so that the drilling hole in the...
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JP6850592B2 |
To provide a multiple reel for a hydraulic hose, wherein when a tensile force acting on a hose exceeds a set value due to an increase in a pressure of a hydraulic oil of plural hydraulic drive devices, it is relieved by delivering the ho...
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JP2021046679A |
To solve the problems in which an excavation hole of the sliding contact part of a sliding contact body collapses because of the structure in which conventionally an excavation shaft is supported by the sliding contact body that slides i...
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JP6845909B1 |
To provide a wing expansion excavator and a method for laying a caisson skeleton, which can efficiently excavate hard ground with a kind of excavator, thereby enabling efficient laying of a caisson skeleton. .. The base machine 10 and a ...
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