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JPH0742619Y2 |
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JPH0742618Y2 |
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JPH0788754B2 |
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JPH0738455Y2 |
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JPH0738461Y2 |
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JPH0738460Y2 |
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JPH07233690A |
PURPOSE: To enhance the working efficiency by providing a foldable boom on a bogie so as to swingably and tiltably support a guide shell, and by controlling the positioning operation and a work in accordance with detected positional data...
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JPH0781481B2 |
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JPH0781517B2 |
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JPH07229385A |
PURPOSE: To allow easy positioning operation for an automatic boring process, and improve boring efficiency by undertaking automatic control on the basis of data detected with a position transducer and each operation detector, and boring...
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JPH07189582A |
PURPOSE: To make simultaneous boring of a plurality of holers by remote control and to enhance the safety. CONSTITUTION: A slope face boring device 10 to work through remote control is equipped with a revolving boom 11 mounted on dolly 7...
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JPH07189583A |
PURPOSE: To enhance the boring ability while such a merit of a hand-held rock drill as capable of turning with a minor radius is well maintainned and to reduce the labor of the operator. CONSTITUTION: A centrizer 3 to hold the core of a ...
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JPH0731977Y2 |
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JPH0732624Y2 |
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JPH0765449B2 |
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JPH0762347B2 |
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JPH0728236Y2 |
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JPH0728235Y2 |
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JPH07166789A |
PURPOSE: To easily confirm and set the work status such as the work position in an earth drilling work, the angle of an earth drill machine and the like, and to perform the work efficiently and stably in a small work space even when a bo...
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JPH07158122A |
PURPOSE: To promote safety by detecting whether positions of solenoid valves in a traveling hydraulic supply and discharge course are in neutral positions, comparing it with a truth value corresponding to a control mode set in advance, a...
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JPH07158121A |
PURPOSE: To promote safety by deciding whether a subtraction signal of a turning control signal for forward and backward signals and an addition signal of the forward and backward signals to the other crawler and the turning signal are r...
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JPH07158118A |
PURPOSE: To simplify operation processing by providing an operating section adding a turning control signal to forward and backward signals to one crawler and subtracting the turning control signal from the forward and backward signals t...
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JPH07158119A |
PURPOSE: To make it possible to use effectively a hydraulic pump for boring operation in a hydraulic supply and discharge system in addition to the hydraulic pump for traveling in a hydraulic supply and discharge system in the case a cra...
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JPH0726478Y2 |
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JPH0724475Y2 |
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JPH0724474Y2 |
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JPH0749750B2 |
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JPH0749753B2 |
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JPH07139286A |
PURPOSE: To accurately and efficiently perform operations for drilling a long- sized hole in a working face when cracking bedrock and for inserting a rock cracking device into the long-sized hole to crack the bedrock. CONSTITUTION: A gui...
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JPH07139285A |
PURPOSE: To reduce the physical load of workers and to enable an efficient drilling operation by using a working machine such as a pipe clamp to facilitate an operation for drilling an anchor hole in the depth of a deep hole bored in the...
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JPH0747918B2 |
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JPH0721625Y2 |
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JPH0721679Y2 |
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JPH0725098U |
[Purpose] In tunnel excavation work or concrete spraying work, even if there is not enough space in the tunnel, the work trolley can be moved so that the work can proceed, thereby shortening the construction period. [Constitution] The se...
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JPH0723095U |
[Purpose] Provided is a drifter excavation device that allows easy visual confirmation of excavation pipes and allows attachment / detachment work without an unreasonable posture. [Constitution] In a drifter excavator that excavates by m...
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JPH0716796Y2 |
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JPH0733750B2 |
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JPH0733759B2 |
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JPH0720391U |
[Purpose] In the rock drill used for the tunnel excavator, the drilling reaction force from the drill is supported. [Constitution] It is composed of the machine body 2, the drill 3, and the hooking means 4, and in particular, the hooking...
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JPH0712589U |
[Purpose] Obtain a well drilling vehicle that is suitable for drilling deep vertical holes such as boring work, and that is easy to change and move the drilling work position. [Constitution] A boom 3 is mounted on the vehicle body 1b of ...
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JPH0712590U |
[Purpose] The excavated earth and sand discharged from the discharge port together with the compressed air are collected within a narrow range without being scattered. [Constitution] An excavation bit is provided at the lower end of a lo...
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JPH0718307B2 |
PURPOSE: To make mast rise and fall without disengaging a rotatable column by arranging two rotatable columns of a mast supporting part so that they can relatively be separated, pivoted and interconnected over the whole allowable width o...
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JPH0718308B2 |
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JPH078628Y2 |
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JPH0754571A |
PURPOSE: To easily and accurately set the drilling position and angle of an excavating drill relative to an excavating cross sectional area, and realize a practical method suitable for a work site. CONSTITUTION: The sighting targets 26 a...
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JPH0754572A |
PURPOSE: To easily move an anchor drill in vertical and horizontal directions along the surface of a slope, and drive an anchor efficiently and safely. CONSTITUTION: A construction vehicle 6 travelling along the base edge 16 of slope sur...
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JPH0754570A |
PURPOSE: To easily set a reference position at the time of setting the drilling position and angle of an excavating drill relative to an excavated cross sectional area, and realize a practical method suitable for a work site. CONSTITUTIO...
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JPH076231Y2 |
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JPH0742476A |
PURPOSE: To enable overall downsizing without increasing work arms or trucks by providing a truck, rock drills, work arms and outriggers, and specifically providing a work arm with an outrigger which can face a tunnel skin. CONSTITUTION:...
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JPH0742472A |
PURPOSE: To enable the automation of man-power working such as addition and separation of rods by installing a rod magazine and a mast, and moving a rod clamp with the mast as the shaft with a winch or a horizontal rotary device. CONSTIT...
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