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JPH0530295U |
[Purpose] In a medium-sized drill machine that can be installed within a range of approximately 90 ° from the horizontal to the downward direction by operating the guide cell equipped with the drifter, the anxiety that occurs in the mac...
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JPH0530294U |
[Purpose] To provide a machine that can quickly adjust the angle and easily attach / detach the drill rod with the elevation operation mechanism that sets the drilling angle in the medium-sized drill machine. [Constitution] The slide cel...
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JPH0525993B2 |
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JPH0513832Y2 |
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JPH0579271A |
PURPOSE: To shield the noise generated by the drilling work for a rock, etc., by installing a rock drill in shiftable manner on boom installed on a dolly which can travel and covering the rock drill by a cover. CONSTITUTION: A rock drill...
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JPH0579274A |
PURPOSE: To carry out all the works of the formation work for a corresponding slit on the periphery of a tunnel, drilling work for a hole for the charge of a breaking agent on the inside left part divided by the slits, and the charging w...
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JPH0571291A |
PURPOSE: To bore a blasting hole without carrying a boom cutter type excavator from a tunnel during the construction thereof. CONSTITUTION: A main boom 46 is provided to a chuck 42 capable of holding a boom cutter 9 of an excavator 6 so ...
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JPH0522690U |
[Purpose] It is an object of the present invention to provide a sealing device in which a sealing member can be replaced without removing the swing plate. [Constitution] In a rock excavator that excavates rock by hitting the rear end of ...
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JPH0510071Y2 |
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JPH057787U |
[Purpose] A tunnel excavator that can easily drill holes for reinforcing pipes when excavating a tunnel or the like. [Constitution] A traveling rail 23 was attached to the excavation boom 1 of the tunnel excavator, and a ground processin...
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JPH057783U |
[Purpose] By attaching the drilling machine to the hydraulic excavator and mechanizing it, 1) it is possible to significantly shorten the construction period by eliminating the need for scaffolding erection work, and 2) it is possible to...
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JPH0525984A |
PURPOSE: To improve operability and safety and save labor by providing a plurality of slide bases along a mast and a rod clamping device, a rod unscrewing device and an outer pipe rod extracting jack in a boring position. CONSTITUTION: A...
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JPH057786U |
[Purpose] Provided is an actuator drive device capable of switching the operating speed of the actuator in two stages. [Constitution] The first operation hydraulic circuit 4 having the actuator operation direction switching valve 43 for ...
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JPH057517B2 |
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JPH0455110Y2 |
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JPH0452303Y2 |
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JPH0475997B2 |
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JPH0473517B2 |
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JPH0447275Y2 |
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JPH0447276Y2 |
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JPH0465953B2 |
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JPH0464395B2 |
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JPH0439918Y2 |
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JPH0439919Y2 |
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JPH0454792B2 |
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JPH0499792U |
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JPH0499791U |
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JPH0497994U |
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JPH0434234Y2 |
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JPH04221192A |
PURPOSE: To reduce the weight of a boom by making the extended part of a boom rotatable around the vertical axial line of the boom by a motor provided at the basal end of the boom. CONSTITUTION: This rock drilling rig is provided with a ...
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JPH04203021A |
PURPOSE: To enhance the function of pile driver by a method in which an expandible leader to be divided into several stages is designed to be tilted to operating base and also to be inclined bilaterally in relation to the operating base....
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JPH04203091A |
PURPOSE: To facilitate work and to prevent the riskiness of demolition work by providing an arm holding a cylindrical body placed around a rotary wind of an earth auger to the lower part of the front of a machine body so that the holding...
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JPH0484490U |
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JPH0444071B2 |
A rock drill having a tunnel profile control system comprising a boom assembly, a converting unit for converting the position of one of positioning points on an orthogonal coordinate system representative of the transverse section of a t...
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JPH0479896U |
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JPH0477690U |
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JPH0439557B2 |
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JPH0473035U |
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JPH0426553Y2 |
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JPH0426552Y2 |
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JPH04169695A |
PURPOSE: To facilitate the movement of a rock drill in a narrow place by movably installing a carriage having a mounting member for mounting the rock drill, and mounting a guide cell having a driving device for moving the carriage on a b...
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JPH0465887U |
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JPH0423992Y2 |
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JPH0429594B2 |
A method of fabricating the lines of a taut-line platform and of prepositioning them prior to final fixing by making use of a ballastable spacer frame associated with shuttles for guiding the lines as they are constructed including prepa...
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JPH0428876B2 |
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JPH0424519B2 |
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JPH0417646Y2 |
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JPH04115092A |
PURPOSE: To increase the accuracy of execution by forming a laser oscillator, a light distributor furnishing plural output terminals, optical fibers, condenser lenses, and a model frame corresponding to the designated surface where the m...
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JPH04102694A |
PURPOSE: To enhance the efficiency of a motor-driven rock crusher, and also to reduce vibration to the human body by arranging three legs extended from the body around a drill so that the setting of the length and the opening of the thre...
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JPH0437630U |
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