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JPH08284164A |
PURPOSE: To simplify work by installing a right and left tilting member and a front and rear mover which are operated with a cylinder on a base on which a leader, such as a pile driver is tiltably mounted on a traveling work car and enab...
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JPH08270387A |
PURPOSE: To index a drilling position correctly and easily, and receive the reaction with a tunnel wall at drilling, when a drilling hole is formed on the inner wall of a tunnel. CONSTITUTION: A fixed supporting pillar 11 is installed so...
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JPH08270366A |
To increase downwards acting vertical force to two driving heads installed to a boring tool. In the boring tool with two driving heads 28, 30 which are used to sink a boring pipe string 54 and a borer string 76, controllable coupling mec...
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JP2541897B2 |
PURPOSE: To safely and simply set up a shallow sea derrick on the sear surface without use of a floating crane. CONSTITUTION: Floaters are coupled to a shallow sea derrick having been built on the ground, to an arbitrary height, and then...
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JP2541880B2 |
PURPOSE: To allow measurement in tunnel by means of a still camera by irradiating the inner wall face in tunnel with a light beam from a predetermined position in the tunnel thereby forming a light trace of predetermined width on the cro...
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JPH08260461A |
PURPOSE: To improve the stability of a leader, to set the leader vertically and accurately by adjusting an attitude in the left-right inclined direction of the leader and to miniaturize a hydraulic cylinder for adjusting the attitude. CO...
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JPH08260872A |
PURPOSE: To enhance a drilling capacity and save the labor of workers, while maintaining the flexible movement of a drill available on hand. CONSTITUTION: A wheel 2 is installed on the tip of a linear frame 1 while a stool 5 is installed...
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JP2511669Y2 |
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JP2511657Y2 |
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JPH08232579A |
PURPOSE: To contrive the construction of a small-sized and light weight rack by dividing a self-traveling rack into an upper stage and a lower stage and constituting the rack so that both may be connectable and loading a main excavating ...
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JP2509533Y2 |
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JP2506458Y2 |
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JPH08199571A |
PURPOSE: To prevent the rolling of cylindrical members when bolts and nuts are fastened or loosened and to promote work efficiency when a back-stay is assembled or disassmbled. CONSTITUTION: A back-stay assembly/disassembly jig 21 is con...
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JP2519659B2 |
PURPOSE: To suppress the scattering of dust generated at boring, in a machine drill used by mounting on the arm of a back hoe, to improve working environment, and allow the preliminary set of the boring depth to automate the boring work....
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JP2519847B2 |
PURPOSE: To promote the efficiency of tunnel excavation work in correspondence with variation of facing by applying an NATM method by two drill carriages to a soft subsoil, and applying a ring-cut method by a shaft-loader to a poor subso...
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JP2519664B2 |
PURPOSE: To simply fold and erect a mast by arranging a rocking arm so as to guide the supporting point of neck supporting members to pass through the upper part of an upper structure part such as an operation room on a route when the ar...
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JP2504883Y2 |
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JPH08177078A |
PURPOSE: To safely and efficiently construct a continuous earth retaining well in the ground. CONSTITUTION: An extensible arm 15 in which a multi-stage hydraulic cylinder is used, is fitted so as to be suspended to a catch mechanism 14 f...
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JP2502443Y2 |
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JP2502442Y2 |
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JP2503038Y2 |
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JPH08151887A |
PURPOSE: To improve workability and transportability by dividing a leader vertically movably supporting a screw auger, connecting them into a spigot type, and providing an expandable hydraulic jack in a lower leader. CONSTITUTION: A lead...
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JPH08144275A |
PURPOSE: To make it possible to prevent simply transverse vibration whether or not there is inclination in a leader by making it possible to constrain a leader bearing pin in the longitudinal direction of the leader with a constrained me...
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JPH08144680A |
PURPOSE: To improve work efficiency by a method wherein when the opposite ends of a supporting pin inserted into the lower end of a leader are supported by a bracket on the side of a work machine, an open groove opened in a pin diameter ...
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JP2500115B2 |
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JPH08128034A |
PURPOSE: To make construction possible in a narrow construction site where a large type crawler transporter can not change its course or a construction site having a narrow alley and a narrow turning of road which must be passed through....
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JPH08128293A |
PURPOSE: To enhance the efficiency of excavation by drilling a working heading in the sectional center part of a scheduled tunnel, boring explosion long holes fanwise, and performing a blasting explosion followed by excavation with a lar...
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JPH08105288A |
PURPOSE: To enable a stone breaking part to take a suspended attitude with an optional angle. CONSTITUTION: A stone breaking part 1 constituted of lateral opening pieces 11, 11, a wedge rod interposed in the freely advancing/retreating s...
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JPH0886186A |
PURPOSE: To drill many holes at the bottom of a vertical hole by installing a drilling device having a drifter elevated along a holder which is supported on a rotary table and horizontally turned in the center of the vertical hole. CONST...
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JPH0830337B2 |
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JPH0830396B2 |
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JPH0868290A |
PURPOSE: To promote safety and efficiency of work by installing a drill, a for-a-pile driving device, a concrete spraying device, etc., on a jumbo traveling on a rail, and excavating a tunnel while driving a pile in the upper surface the...
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JPH0823260B2 |
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JPH0819675B2 |
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JPH0814230B2 |
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JPH08501360A |
PCT No. PCT/FI93/00335 Sec. 371 Date Feb. 24, 1995 Sec. 102(e) Date Feb. 24, 1995 PCT Filed Aug. 25, 1993 PCT Pub. No. WO94/06999 PCT Pub. Date Mar. 31, 1994An arrangement for measuring the position of a feed beam (1) in a rock drilling ...
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JPH0835388A |
PURPOSE: To provide a drilling device which can drill safely in the direction other than in the square direction to the surface of a drilling object, by providing a guide rod, a device main body having a cutter for drilling, and a reacti...
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JPH0828174A |
PURPOSE: To change car width and to improve mobility by providing wheels on the front and the rear on the lower side of a side part frame free to revolve and torate as well as providing the side part frame at least on one of upper part f...
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JPH0754392Y2 |
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JPH07317482A |
PURPOSE: To bore a vertical pit easily by preventing the swings and inclination of a boom for a ground boring machine and an excavation rod. CONSTITUTION: Booms 15, 15 are disposed in upright on both left and right sides in front of a gr...
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JPH07107352B2 |
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JPH07107349B2 |
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JPH07301086A |
PURPOSE: To obtain a tunnel construction device which is capable of smoothly blasting a tunnel excavation face by simply adjusting two factors, front-rear sliding movements by a perforator and the direction of a drifter, and extending it...
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JPH07301085A |
PURPOSE: To perforate at a peripheral edge of a cutting face in parallel to a peripheral wall eliminate the need to perforate with an insertion angle so as to excavate a specified cross section of the cutting face, minimize overbreak, re...
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JPH07295629A |
PURPOSE: To accurately recognize the work vehicle in a work area at all times and freely makes the work vehicle in the work area for running and working according to a specific work plan. CONSTITUTION: The work vehicle 2 equipped with a ...
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JPH0748794Y2 |
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JPH07102416B2 |
A conductor guide forming machine to flare the end of a pipe (46) outwardly to form a conductor guide has a heating device (22) movably mounted on a base (12) to cause induction heating of the end of the pipe (46) to be flared outwardly....
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JPH07103763B2 |
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JPH07281749A |
PURPOSE: To make a work vehicle freely travel within a work area based on arbitrary work plan by letting the work vehicle always exactly recognize its own position within the work area. CONSTITUTION: Plural reference points P1, P2 and P3...
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JPH0746468Y2 |
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