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JPH0324707Y2 |
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JPH0324708Y2 |
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JPH0316887Y2 |
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JPH0351421A |
PURPOSE: To enable the work of the press-in of a pile and the rotary press-in of an earth auger by means of a single device by mounting an earth auger mounting mechanism and a rotating mechanism for the earth auger to the respective port...
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JPH0339518A |
PURPOSE: To make occupying area of a machine smaller by providing a locking device between a leader mast and boom composed of a multi-articulated arms for locking both these members at optional angles for angular width and by providing, ...
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JPH036708Y2 |
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JPH03500559A |
PCT No. PCT/SU89/00090 Sec. 371 Date Dec. 26, 1989 Sec. 102(e) Date Dec. 26, 1989 PCT Filed Apr. 11, 1989 PCT Pub. No. WO89/10465 PCT Pub. Date Nov. 2, 1989.A hydraulic drilling machine has a drilling tool connected to a hydraulic motor,...
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JPH033670Y2 |
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JPH03191B2 |
A lubrication system for a drill rod shank in a percussion drilling machine, said drilling machine comprising a frame (1), a rotating sleeve (2) rotatably mounted in the frame and provided with a housing (5) for the shank (7) of the dril...
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JPH02504410A |
PCT No. PCT/EP89/00256 Sec. 371 Date Nov. 8, 1989 Sec. 102(e) Date Nov. 8, 1989 PCT Filed Mar. 11, 1989 PCT Pub. No. WO89/08769 PCT Pub. Date Sep. 21, 1989.A drilling apparatus, especially for drilling blast holes, includes a carriage, a...
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JPH0245296Y2 |
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JPH0242726Y2 |
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JPH02129489U |
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JPH0235916Y2 |
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JPH02106089U |
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JPH02210188A |
PURPOSE: To improve working efficiency by a method wherein a device with a rotary impeller actuated through utilization of the motion of an earth auger is mounted to the leader guide of a pile driver to remove cohered excavated earth adh...
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JPH0230546Y2 |
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JPH0230548Y2 |
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JPH0297486U |
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JPH0297483U |
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JPH0233831B2 |
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JPH0223614Y2 |
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JPH0223669Y2 |
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JPH0228677B2 |
A drill rod opening device for sectional-rod drilling equipment, which opening device (5) comprises a coupling frame (9), which can be coupled to a drilling machine (1) of the drilling equipment and which is provided with a through hole ...
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JPH02147788A |
PURPOSE: To adjust a boring machine so as to secure optimum boring performance according to a boring object by combining those of revolution adjustments by a rotational driver, thrust adjustments by a thrust adjuster, and characteristics...
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JPH0220796B2 |
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JPH02120492A |
PURPOSE: To reduce the weight of a boring machine as well as manufacture the same economically by a method in which a boring machine is supported on an oil-pressure shovel, and the oil-pressure source of the boring machine is obtained fr...
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JPH0233888U |
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JPH0229987U |
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JPH0223088U |
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JPH025484U |
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JPH0139836Y2 |
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JPH01287392A |
PURPOSE: To prevent generation of irregular vibration at moving time by using a difference between opposite directional force operating on a neck element via a rotary head body as power supply force, and arranging a part movable in the d...
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JPH01247691A |
PURPOSE: To keep the height of the whole device low by constituting an auger driving shaft connecting an auger and a rotary driving source with many flexible connecting blocks and erecting only the required portions at the time of drilli...
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JPH01230888A |
PURPOSE: To improve work efficiency with a device serving for both ordinary excavation and cutting an underground obstacle by switching a casing tube to full rotary driving and reciprocating partly rotary driving by a casing driving gear...
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JPH0128153Y2 |
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JPH0132357B2 |
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JPH01158194A |
PURPOSE: To allow deep drilling, without interposing a transmitting tube between a bit and a drill by forming a motor and a drill shaft storing housing in a substantially cylindrical shape or a columnar shape and by setting a maximum cro...
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JPH01127788A |
PURPOSE: To miniaturize an auger excavator by providing an auger drive part in an upper part of a leader so as to rise and lower freely, providing a plurality of sets of pressing-in cylinders fixed to a lower part of the leader, and atta...
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JPH01127787A |
PURPOSE: To reduce the weight of an auger excavator by providing a rotary drive part for earth auger in an upper part of a leader so as to rise and lower freely and providing a casing drive part consisting of a pressing-in means and a ro...
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JPH01127789A |
PURPOSE: To reduce a weight of an auger excavator by providing an auger drive part in an upper part of a leader so as to rise and lower freely, providing a plurality of sets of pressing-in cylinders fixed to a lower part of the leader, a...
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JPH0115746Y2 |
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JPH0115747Y2 |
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JPH0194189A |
PURPOSE: To enhance drilling efficiency by fully pivoting and pushing a casing tube into the ground, then passing a drilling rod into the fully pivoting carriage via a yoke, and fully pivoting the fully pivoting carriage. CONSTITUTION: A...
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JPS6490389A |
PURPOSE: To improve the machine operation by forming a boring machine with a turn table having at least two lateral protuberances, a frame having two guide channels receiving the protuberances, and a locking device locking the protuberan...
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JPS6428430U |
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JPS64694U |
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JPS6365796B2 |
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JPS6346544Y2 |
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JPS6346549Y2 |
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