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JPH09315773A |
To adjust the pile core in pile driving operation by sliding an upper car body back and forth in the traveling direction of a travel body to stabilize a work device in a working position. A construction work device comprises a lower car ...
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JP2687086B2 |
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JP2680433B2 |
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JPH09287944A |
To improve the workability and the excavating accuracy of the excavating work by a drill head. This underground excavating system comprises an excavating device 3, which can control the thrusting direction of a drill head under the groun...
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JP2667732B2 |
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JPH09250287A |
To drill a small-diameter insertion hole for a stress material such as a rock bolt, executed in an inferior natural ground and surely prevent collapse of the natural ground. A natural ground drilling device is provided with a rock drill ...
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JP2652808B2 |
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JPH09235973A |
To securely prevent the gyratory motion and swinging of a swivel hose during a boring work. Plates N10, 11 are fixed to a boring machine body 1 rotatably supporting a rod 5 rotating around the shaft and excavating ground and a swivel hos...
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JP2546189Y2 |
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JP2640713B2 |
PURPOSE: To make possible continuous operation of excavating work by installing a vertically movable sliding plate between upper and lower fixing frame bodies, excavating by inserting an excavating pipe in this, and arranging a pipe repl...
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JPH09209673A |
To make it possible to fix a drill with the ground and connect a pipe or the like thereto and remove it by mounting the drill on one end of a rod-shaped main body removably or providing a fixed rotary function and attaching a connecting ...
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JPH09209359A |
To provide an attachment which can place a pine pile into the ground without causing large vibration. This wooden pile placing attachment 10 used to place pine piles comprises a boring device 14, mounted on the end of the freely curving ...
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JPH09192431A |
To prevent the crack of a filter element due to the collision of cuttings of large diameter in equipment in which a dust containing air introducing pipe is inserted into a casing below filter elements arranged in the upper part of the ca...
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JP2633154B2 |
PURPOSE: To easily drill a large-sized shaft with an excavation service arm by drilling the shaft after having discharged water collected in a guide hole and discharging excavated earth and sand with a bucket without using water required...
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JP2632996B2 |
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JP2632998B2 |
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JP2632999B2 |
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JP2633215B2 |
PURPOSE: To easily and rapidly excavate a large diameter shaft, by fitting a plurality of drill units at the inside of a cylindrical drill system and excavating the peripheral edge at first to cut the inside and advancing while adding st...
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JP2632997B2 |
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JP2631071B2 |
PURPOSE: To improve the general-purpose properties of drain construction by installing the bits of half bodies divided-into two in the vertical direction at the front end of a cylindrical section body having a spiral fin on an outer circ...
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JP2538925Y2 |
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JPH09144457A |
To make fastening tight and correct by a method wherein a plurality of chuck pieces to be held to holding notches provided at intervals in the longitudinal direction of splines of an excavating shaft are detachably provided at a rotative...
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JPH09144456A |
To improve efficiency in execution of work by a method wherein a clamper and a rotative driving device for a screw auger are provided at the lower end of a leader and rotary driving parts capable of sliding in the axial direction and eng...
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JP2615098B2 |
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JP2615096B2 |
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JP2536402Y2 |
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JPH09125849A |
To prevent the collapse of soil and sand taken into a flight flute and the falling of soil and sand into a hardener by bringing the filler hole of the hardener to the state, in which the filler hole can be opened and closed, in an auger ...
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JPH09111751A |
To make it possible to control a drive device with a more enhanced response ability by setting up an accelerometer, a gyro and a transmitter in a conductor round pipe at the tip of an excavation hole kneading shaft and transmitting the m...
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JPH09112169A |
To conduct readily the removal disposal of excavated matters brought together to its center by permitting the central part of a support with a plurality of cutters arranged to be slanted lower than its peripheral part, and rotation drivi...
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JP2531078Y2 |
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JP2531083Y2 |
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JPH0978970A |
To improve the stability and workability of a working machine while ensuring the safety of a worker and perform large bore rock mass drilling efficiently. A casing 9 is rotatably suspended and supported to a hook 7 of a crawler crane 4 t...
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JPH0972182A |
To promote work efficiency by providing an expansion column passing a small-sized column in a large-sized column, and combining the expansion column with a hydraulic cylinder provided in parallel therewith at the upper part to form an ex...
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JP2589232B2 |
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JPH09502134A |
A power tool has a drive mechanism with an output shaft which performs an intermittent rotary motion. The output shaft drives, via an overrunning clutch, a tool drive shaft to drive a tool, which thus performs a quasi-continuous rotary m...
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JPH0949384A |
To make an excavating means manually turnable and prevent the biting of sediment by using a ball bearing for a turning mechanism, and providing drain holes on a bearing receiving groove. A ball bearing 6 is inserted between an outer flan...
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JPH0925778A |
To easily carry in or out an excavator by integrally or removably fitting the all-around rotary excavator to a traveling carriage constituted of a pair of crawler type self-propelled bodies on both sides. An all-around rotary excavator 2...
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JP2572150B2 |
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JPH094350A |
PURPOSE: To improve excavation efficiency by providing housings, a spindle formed into the cross sectional shape capable of transmitting torque to a boring rod, a driving means for the spindle, and chucks on a drill head. CONSTITUTION: A...
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JP2555537B2 |
PURPOSE: To promote efficiency by providing a rising and falling slide plate to a tower-like body formed of a fixed frame and a rod, tuning an excavation pipe loaded thereto to excavate and, at the same time, providing an additional exca...
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JP2555240B2 |
PURPOSE: To make a drill hole formable so efficiently without entailing any damage to an inner wall of the hole. CONSTITUTION: In drilling formation, a punch drill 12 is set up there, and a cutter 22 is rotated by a driving motor 18, thu...
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JPH08303167A |
PURPOSE: To conduct smooth propulsion without the penetration of soil and sand in a quantity more than required for propulsion into a pilot pipe even when a bed is a soft bed such as a water-bearing sand layer. CONSTITUTION: The base end...
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JP2552904B2 |
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JPH08291685A |
PURPOSE: To reduce cost for slit formation work for a bedrock such as facing, etc., of a tunnel. CONSTITUTION: Slits 24 and 26 are formed by boring a large number of slit forming holes 32 in a facing 20 in succession. Size P between the ...
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JP2515378Y2 |
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JPH08284149A |
PURPOSE: To obtain a chucking mechanism for square rods which is easy in the maintenance work and excellent in the durability and produced in low cost, in a speed reducing device of a single axis and small type DJM application device use...
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JPH08284571A |
PURPOSE: To form an excavated pit having high vertical accuracy by surely preventing the lateral swing of a leader by a simple method. CONSTITUTION: When soil is excavated by a screw auger 1 and lifted, the lower end section of a guide c...
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JPH08284150A |
PURPOSE: To prevent sludge like slime from penetrating into a speed reducing device and obtain an efficient power transmission of the lifting slide, in a easing device for a square rod used for DJM work method having various merits inste...
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JPH08277544A |
PURPOSE: To improve operating efficiency by providing a feed path for feeding exhaust from a prime mover and compressed air from a compressed air blower to a soil crushing unit as pressure gases and a flow path for flowing the exhaust an...
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JPH08270003A |
PURPOSE: To improve the energy efficiency of a soil-digging apparatus, and to downsize the apparatus, by utilizing the exhaust and suction of an engine for a truck on which the apparatus is mounted as the power source of the apparatus wh...
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