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JP2000213266A |
To provide a hole boring drill jumbo which is capable of boring a plurality of holes without adjusting the position due to carry-in/carry-out even when a working space is narrow. A boom 4 to support a drifter 2 and a cell 3 and to adjust...
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JP2000204867A |
To provide an underground boring vehicle capable of easily changing the bearing of a drill relative to a movable arm, moving the directional attitude of a drill more flexibly, and increasing a workability and controllability for boring. ...
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JP2000204871A |
To safely and easily fix an excavating device by fixing the excavating device on the ground through a preliminarily set balloon. A fixing hole 6 is properly bored in a position at a prescribed distance from a hole to be drilled in the gr...
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JP3069755B2 |
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JP3065540B2 |
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JP2000186486A |
To provide a method wherein an operator performs remote control to an optimum insertion angle, by detecting the posture or insertion angle of a rock drill used for drilling work in tunnel work. By using an insertion angle detector 1 and ...
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JP3052114B2 |
PURPOSE: To make it possible to execute boring work efficiently in baserock or boulder stone even in a narrow place such as the bottom of a footing hole of a leg section of a steel tower and to provide a sufficient boring machine for a m...
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JP2000154539A |
To provide a tilting-down method for a leader capable of supporting it securely by a mating crane when the leader is laid on its side and a device therefor.When a leader erected on a pile driving machine is laid on its side, the falling ...
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JP3046249B2 |
To permit an unmanned operation in a vertical hole by mechanizing the work of drilling a noncircular vertical hole. Moving rails 7 are laid parallel to each other over a drilling range where a vertical hole is to be drilled, a gate-shape...
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JP2000144732A |
To provide a working bench to a leader in a liftable manner without relying on a wire rope in a pile driver providing ribs for reinforcing the leader to the side of the leader in the vertical direction at a specific interval and to make ...
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JP3043502B2 |
PURPOSE: To obviate the need of connecting an excavator to an elevating device or to an auger driving device by an opertor's going up a leader at an elevated spot so as to perform digging work safely for that and to markedly improve the ...
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JP2000136690A |
To provide a timbering constructing heavy machine for which a function which can simply remove slight defects at the ground is added. A timbering erector, a concrete spray arm, and an ascending/ descending man cage 5 are mounted on a bas...
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JP3040220B2 |
PURPOSE: To set a guide shell speedily and correctly in drilling. CONSTITUTION: A hydraulic jumbo 10 is equipped with a boom 12 which is shiftable in the vertical and lateral directions on a carriage 11, and a guide shell 13 is installed...
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JP3041779B2 |
To improve the workability by installing winches at the right and left sides of a hanging hardware bed mounting a drilling machine and fixing the hooks of the front ends of wires to temporarily provided anchors. A drilling machine C is i...
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JP3035354B2 |
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JP3028151B2 |
PURPOSE: To enable the arm end attachment of the mast or the like of an earth auger to be attached quickly, easily, and removably from an arm. CONSTITUTION: When an arm end A1 and an arm end attachment B are connected to each other with ...
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JP3026229B2 |
PCT No. PCT/FI91/00184 Sec. 371 Date Dec. 17, 1992 Sec. 102(e) Date Dec. 17, 1992 PCT Filed Jun. 11, 1991 PCT Pub. No. WO91/19885 PCT Pub. Date Dec. 26, 1991.A feeding apparatus for a rock drilling machine (8). The feeding apparatus comp...
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JP3025926B2 |
PURPOSE: To enhance the effectiveness in works of loading or unloading through backward falling of a boom holding a boring device by putting a boom facing up while the centers of gravity of the boom and boring device are positioned betwe...
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JP3025464B2 |
To provide a underground excavating device for leading movement of an excavating machine and for leading pressurization and direction of the operating fluid by providing a main body part for giving a load, an excavation stabilizer part f...
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JP3021175B2 |
PURPOSE: To provide the top sheave of a pile driver vertically installed with a leader on a main body capable of performing the folding work and returning work of a moving sheave block easily, efficiently, and safely at no cost when the ...
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JP3021183B2 |
PURPOSE: To make it possible to bore holes having a specific diameter, a specific length and a specific angle of inclination in specific positions at specific intervals efficiently and to obtain a simple and compact boring device capable...
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JP3020741B2 |
PURPOSE: To prevent sand from flowing into a bored hole, enhance the ability of a device to bore holes and reduce costs by providing at the lower end of a guide pipe a slide cover for covering the mouth of a bored hole when lowered, the ...
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JP3020748B2 |
PURPOSE: To set a guide shell as a position where the maintenance thereof is facilitated. CONSTITUTION: In a crawler drill 1 in which a guide mount 26 is attached tiltably and swingably to the forward end of a boom 16 which is pivotally ...
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JP2000502764A |
PCT No. PCT/NO96/00290 Sec. 371 Date Jun. 22, 1998 Sec. 102(e) Date Jun. 22, 1998 PCT Filed Dec. 17, 1996 PCT Pub. No. WO97/23705 PCT Pub. Date Jul. 3, 1997A hydraulically-operated hoist is disclosed. The hoist includes a plurality of hy...
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JP2000502765A |
An apparatus for a derrick, comprising two or more hydraulic piston/cylinder arrangements (10, 11) for raising and lowering a yoke (8) which travels on guide rails (7) in the derrick itself and a hydraulic system (30) for the operation o...
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JP3015335B2 |
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JP2603214Y2 |
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JP2000064762A |
To make easier the operation for setting data of deviation in reference direction of a drilling machine relative to the reference line of the drilling and the position of reference point of the drilling machine in an operation controller...
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JP2000064758A |
To make working efficiency high and improve the positional precision of boring at the time when the boring is performed continuously by repeatedly performing the boring while an auger is moved along a guide ruler set along a guide planne...
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JP2000054774A |
To provide a ground drilling machine enabling its structure to be reduced in size and weight extremely by adapting driving means with compact structure, and having no space, moreover, capable of giving a strong thrust to the movable base...
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JP3010377B2 |
PCT No. PCT/FI91/00306 Sec. 371 Date Mar. 29, 1993 Sec. 102(e) Date Mar. 29, 1993 PCT Filed Oct. 7, 1991 PCT Pub. No. WO92/06279 PCT Pub. Date Apr. 16, 1992.A method of aligning the feeding beam (6) of a rock drilling equipment by gravit...
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JP2000038890A |
To fix, in a boom type earth drill mounted on a crawler crane, a rotary frame carrying a rotary table for driving a kelly-bar and a front frame in such a manner that both the frames can be fixed at any angles, that is within any work rad...
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JP2000034878A |
To bring a working deck near to the face of a slope as the object of working while ensuring the elevation of a drill guide arm in a high-place workbench device for slope protection works with the working deck installed at the front end s...
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JP2000027580A |
To provide a construction machine that can prevent a reaction force from working horizontally from a leader onto a front bracket and a support arm, and can execute easily fine adjustment for positions of pile centers. In a construction m...
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JP3002545B2 |
There is disclosed herein a tubular handling system characterized by: a first tubular handling assembly (164) configured to handle vertical tubular members; a second tubular handling assembly (166) configured to handle vertical tubular m...
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JP2000017979A |
To easily and rapidly drill a plurality of holes. This drilling machine includes a first slide table 3 supported by a support frame 2, a drill head 5 mounted on the first slide table 3 to impart a drilling force to a drill rod 7, a secon...
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JP2000017980A |
To facilitate disassembly and assembly without any deterioration in boring performance so as to improve portability by comprising freely attachable/detachable skid units, which can be freely attached/detached to/from specific end parts o...
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JP2999724B2 |
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JP2000008759A |
To provide a construction machine which prevents horizontal reaction from acting upon a front bracket and a supporting arm from a leader, and facilitate fine adjustment of a pile core position. A construction machine is provided with a s...
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JP2993763B2 |
Drilling equipment including apparatus for laterally moving a direct drive drilling (12) unit to a position offset from the centerline (34) of a well. The drilling equipment includes a traveling block (24) suspended for generally vertica...
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JP2996096B2 |
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JP2992935B2 |
A ship type floating oil production system for access to subsea wells through installation of surface wellheads on a ship type surface vessel on the sea comprises a cylindrical turret moored to a seabed is located within a moon pool form...
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JP2991318B2 |
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JP2602031Y2 |
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JP2601885Y2 |
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JP2980812B2 |
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JP2977820B1 |
[wrap up] [Task] Conventional rock drilling equipment requires a lot of labor to move the rock drilling device on the inclined retaining wall, and therefore it is carried by multiple people to move it. In addition, it is a factor that th...
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JPH11310916A |
To provide a small-sized ground improvement machine capable of improving the ground to a deeper position without changing a grip position of a rotary shaft, preventing an impediment to conveyance by the length of a leader, lowering gravi...
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JPH11303563A |
To provide a machine for foundation construction work provided with a leader capable of corresponding to changes of a limit height at a construction site instantaneously by expanding and shrinking the leader. A machine for foundation con...
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JPH11287079A |
To eliminate loading and unloading working onto a truck and directly transfer a casing press-fit device by detachably carrying a base frame on a mobile truck. A plate-like support arm 11 having a pin locking hole 12 on the edge part is p...
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