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1. 发明专利

JP2002071348A ANGLE-MEASURING APPARATUS FOR CONSTRUCTING OPERATION 失效
公开(公告)号：JP2002071348A
公开(公告)日：2002-03-08
申请号：JP2000265393
申请日：2000-09-01
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： KAMEI TAKESHI , MORO TAKASHI , HIRAO SOJI , MINOMOTO YASUSHI
IPC分类号： G01C1/02 , G01B21/00
摘要： PROBLEM TO BE SOLVED: To provide an angle measuring apparatus for constructing operation which can always hold an angle-measuring apparatus horizontal without operator assistance, when angle is measured by the angle measuring instrument during constructing operation. SOLUTION: The angle-measuring apparatus for constructing operation is constituted by providing a pitching plate 20, which is set tiltably on a bottom plate 1 in a pitching direction and can be tilted by a motor 50 for oscillation in the pitching direction, a rolling plate 30 which is loaded with a photodetection device 70 and installed tiltably on the pitching plate 20 in a rolling direction and can be tilted by a motor 40 for oscillation in the rolling direction, a sensor 60 which can detects the tilt angles of a photodetection device 70 in the rolling and pitching directions, and a controller which holds the photodetection device 70 horizontal, by tilting the pitching plate 20 and rolling plate 30 according to the detection result of the sensor 60.

2. 发明专利

JP2003148960A INSTRUMENT FOR MEASURING POSITION OF UNDERGROUND EXCAVATOR 审中-公开
公开(公告)号：JP2003148960A
公开(公告)日：2003-05-21
申请号：JP2001344974
申请日：2001-11-09
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： KAMEI TAKESHI , HIRAO SOJI
IPC分类号： E21D9/00 , G01C15/00
摘要： PROBLEM TO BE SOLVED: To provide an instrument that can perform accurate measurement even when the distance between measuring points is fluctuated, in a position measuring instrument for underground excavator for measuring an excavated position optically with a light source of scattered light. SOLUTION: In this position measuring instrument for underground excavator, a measuring unit 400 having a common lens 411 for converging the scattered lights from the front and rear light sources 41, 42, position detecting elements 412-1, 412-2 for detecting photoreceived positions of the converged lights, polarization-reflecting prisms 413-1, 413-2 for transmitting the lights incident into the lens, and for guiding the converged lights to the respective position detecting elements, and the light sources 41, 42 of which the scattered lights are directed forwards and rearwards by the respective reflecting prisms is installed in the each measuring point, and the position of the point to be measured with respect to a measuring base point is measured based on detection results in the respective measuring units and the distance between the respective measuring units. In the position measuring instrument, a controller 43 for increasing and decreasing a light quantity of the light source of a photoreception source is provided to bring the maximum value of brightness in the light photoreceived by each picture element in the each position detecting element within a range between an upper limit value and a lower limit value.

3. 发明专利

JP2003239284A CASING DRIVER 审中-公开
公开(公告)号：JP2003239284A
公开(公告)日：2003-08-27
申请号：JP2002043782
申请日：2002-02-20
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： KAMEI TAKESHI , KUSUMI HIROSHI , TAMURA KATSUMI , HIRAO SOJI
IPC分类号： E21B7/20 , E02D7/22
摘要： PROBLEM TO BE SOLVED: To provide a casing driver which can reduce the accuracy and amount of working of a sliding surface of an ascending/descending frame by comparison with a conventional casing driver, can reduce a manufacturing cost, and can impart less play to sliding of a vertically moving frame. SOLUTION: This casing driver is equipped with: a wedge 16 which is to be inserted between an inclined surface 5a of an inner periphery of a rotor 5, through which the casing 6 is passed, and the casing 6; and a vertically moving device 18 for the wedge 16. The wedge 16 is made to descend by the device 18, so as to be press-fitted between the rotor 5 and the casing 6, and the casing 6 is fixed to the rotor 5. A cylindrical body 3a, which is provided in the ascending/descending frame 3, is slidably fitted into a guide post 2. A second cylindrical body 11a, which is provided in the vertically moving frame 11, is slidably fitted into a part above a part in which the cylindrical body 3a is fitted into the guide post 2. COPYRIGHT: (C)2003,JPO

4. 发明专利

JP2003166240A FITTING METHOD OF STEEL PIPE PILE WITH BLADE AND CASING DRIVER USED THEREFOR 审中-公开
公开(公告)号：JP2003166240A
公开(公告)日：2003-06-13
申请号：JP2001364306
申请日：2001-11-29
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： KUSUMI HIROSHI , TAMURA KATSUMI , KAMEI TAKESHI , HIRAO SOJI
IPC分类号： E02D7/22 , E02D7/20
摘要： PROBLEM TO BE SOLVED: To improve the fitting workability in the case a steel pipe pile with blades is fitted to a casing driver. SOLUTION: A support device 17 holding a steel pipe pile with blades and making it stand is arranged at the lower face of a rotary driving device 7 of the casing driver. The casing driver 1 is installed in the pile center, and the steel pipe pile with blades is forced to penetrate the chucking device 8 of the casing driver 1 to ground the blade part onto the ground. The steel pipe is supported by the support device 17 and a spacer 13 is interposed between the chucking device 8 and the steel pipe. The steel pipe pile with blades is held together with the spacer 13. In this way, the steel pipe pile with blades can be fitted to the casing driver without influence of the blades. COPYRIGHT: (C)2003,JPO

5. 发明专利

JP2002317440A SPACER MOUNTING DEVICE FOR CASING ROTATION DRILLING DEVICE 失效
公开(公告)号：JP2002317440A
公开(公告)日：2002-10-31
申请号：JP2001121692
申请日：2001-04-19
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： TAMURA KATSUMI , KAMEI TAKESHI , HIRAO SOJI
IPC分类号： E02D7/22
摘要： PROBLEM TO BE SOLVED: To facilitate mounting/demounting work for a spacer to be mounted on a casing clamper for a casing driver. SOLUTION: A band device 8 for the casing driver 1 has a through-hole 34 passing from outside to inside and the spacers 31, 32 to be mounted on the band device 8 have connection holes 36. The connection holes 36 each contain a lock member 37 having an oblong hole 37a. A mounting pin 40 with a looseness preventing member 43 formed at the end is fitted from the outside of the band device 8 through the through-hole 34, the connection holes 36 and the oblong hole 37a and the spacers 31, 32 are fixed to the band device 8.

6. 发明专利

JP2002213952A POSITION MEASURING INSTRUMENT FOR UNDERGROUND ADVANCING MACHINE 失效
公开(公告)号：JP2002213952A
公开(公告)日：2002-07-31
申请号：JP2001005042
申请日：2001-01-12
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： MINOMOTO YASUSHI , KAMEI TAKESHI , MORO TAKASHI , HIRAO SOJI
IPC分类号： E21D9/06 , G01C7/06 , G01C15/00
摘要： PROBLEM TO BE SOLVED: To provide a position measuring instrument for underground advancing machine allowing the underground advancing machine to be appropriately steered in an efficient manner without needing skill. SOLUTION: This position measuring instrument for an underground advancing machine is used for measuring the position of a measured point P5 relative to a measurement base point P1 based on a starting angle formed between a sight line V in front of the base point P1 and a measurement reference line V0, deflection angles formed between sight lines V on both sides of respective intermediate measurement points P2 to P4, and distances between the respective measurement points P1 to P5. The instrument is provided with a storage for storing a set value θ1 for the starting angle and set values θ2 to θ4 for the deflection angles, these being set by predetermining the positions of the respective measurement points P1 to P5 on a planned line, an arithmetic unit for preparing data making it possible to identify deviations of actual values from the set values with respect to the starting angle and the deflection angle of the forefront of the intermediate measurement points, these being measured in the process of advancing by the excavator 1, a display for displaying the data, and a judging means capable of judging whether or not the found values of the distances between the measurement points have run up to set values L1 to L4 on the planned line.

7. 发明专利

JP2003239285A APPARATUS FOR HOLDING CASING DRIVER, AND METHOD AND DEVICE FOR OPERATING THE SAME 审中-公开
公开(公告)号：JP2003239285A
公开(公告)日：2003-08-27
申请号：JP2002043921
申请日：2002-02-20
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： KAMEI TAKESHI , KUSUMI HIROSHI , TAMURA KATSUMI , HIRAO SOJI
IPC分类号： E21B7/20 , E02D7/22
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for holding a casing driver, and a method and a device for operating the same, which can avoid the occurrence of off-center of a casing, when the casing is held in a rotor by using a wedge. SOLUTION: This apparatus is equipped with: the wedge 16 which is to be inserted between an inclined surface 5a of an inner periphery of the rotor 5, through which the casing 6 is passed, and the casing 6; and a vertically moving device 18 for the wedge 16. The wedge 16 is made to descend by the device 18, so as to be press-fitted between the rotor 5 and the casing 6, and the casing 6 is fixed to the rotor 5. A holding pad 17 is provided between the wedge 16 and the casing 6 so as to vertically movable with respect to the wedge 16. In terms of another means, an ascending/descending frame 3 is made to ascend in synchronization with the descent of the wedge 16, so that the vertical movement of the wedge 16 can be avoided when the casing 6 is held. COPYRIGHT: (C)2003,JPO

8. 发明专利

JP2003114124A DISTANCE MEASURING EQUIPMENT FOR CONSTRUCTION WORK 审中-公开
公开(公告)号：JP2003114124A
公开(公告)日：2003-04-18
申请号：JP2001309001
申请日：2001-10-04
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： KAMEI TAKESHI , MORO TAKASHI , HIRAO SOJI
IPC分类号： G01B11/00 , G01C3/06
摘要： PROBLEM TO BE SOLVED: To provide distance measuring equipment for construction work capable of correctly measuring distances even if the location of an image-forming point on an optical sensor detected when a light source is installed at infinity is not known. SOLUTION: A mirror 24 and a half mirror 25 for converting the direction of light of a light source 10, a point to be measured, condensed by a light condensing lens 22b are provided so as to receive the lights 21a and 21b of the light source 10 each condensed by the light condensing lenses 22a and 21b by the common optical sensor 23a. The locations of the image-forming points of the lights on the optical sensor 23a detected when each light passing through the optical axes of the light condensing lenses 22a and 22b are received by the optical sensor 23a are matched with each other by the mirror 24 and the half mirror 25. The distance measuring equipment for construction work is constituted so as to measure the distance L between a base point of measurement and the point to be measured on the basis of the phase difference (d) of the pair of image-forming points on the optical sensor 23a detected when the lights 21a and 21b of the light source 10, the point to be measured, are condensed by the light condensing lenses 22a and 22b.

9. 发明专利

JP2002349171A VERTICAL HOLE EXCAVATOR AND VERTICAL HOLE EXCAVATION METHOD 失效
公开(公告)号：JP2002349171A
公开(公告)日：2002-12-04
申请号：JP2001155548
申请日：2001-05-24
申请人： SHIMIZU CONSTRUCTION CO LTD , HITACHI CONSTRUCTION MACHINERY
发明人： KUHARA TAKASHI , TAMURA KATSUMI , HIRAO SOJI
IPC分类号： E21B10/32 , E21D1/00 , E21D1/06
摘要： PROBLEM TO BE SOLVED: To reduce the kinds of excavators to be used and the number of processes of operations in a vertical hole excavation technique for excavating a vertical hole so as to cross a horizontal underground drift. SOLUTION: This excavator comprises a radial type excavating cutter 18 for drilling the vertical hole while selectively extending and contracting the drilling outer diameter by an expansion jack 16; a cutter rotating drive shaft such as a drill pipe 3 or center shaft 14 for rotating the radial type excavating cutter 18; and a cutter head 9 for digging the ground in advance to excavate a vertical hole such as ventilation vertical shaft so as to cross the horizontal underground drift 12. The cutting part of the radial type excavating cutter 18 is formed in a V-shaped in a side view by a first inclined part 18a and a second inclined part 18b, the second inclined part 18b is formed so as to be fittable to the height of the cutter head 9 by horizontally displacing when extending the excavating outer diameter of the cutter 18, and the stroke of the expansion jack 16 is extended so that the second inclined part 18b can be horizontally displaced.

10. 发明专利

JP2002107146A DEVICE FOR DETECTING LOCATION AND ATTITUDE OF UNDERGROUND DRIVING MACHINE 失效
公开(公告)号：JP2002107146A
公开(公告)日：2002-04-10
申请号：JP2000299506
申请日：2000-09-29
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： HIRAO SOJI , SAKURAI SHIGEYUKI , MORO TAKASHI , KAMEI TAKESHI
IPC分类号： E21D9/06 , G01C15/00 , G01C15/06
摘要： PROBLEM TO BE SOLVED: To provide a device for detecting the location and attitude of an underground driving machine, capable of more correctly detecting the attitude of the underground driving machine in real time than the conventional technology. SOLUTION: In the device for detection the location and attitude of the underground driving machine, provided with a light source device 10 for emitting a laser beam 11 and a light-receiving device 1 for receiving the light of the laser beam 11, the light-receiving device 1 is constituted of a target plate 20, capable of receiving the laser beam 11 and changing characteristics, in such a way as to transmit and scatter the laser beam 11, a condenser lens 30 for condensing light via the target plate 20, and a light-receiving element 310 for receiving the condensed light at the condenser lens 30 and detecting the location of light reception. A target plate switching device 21 for selectively switching the characteristics of the target plate 20 is provided, so as to detect the location and attitude of each driving machine, on the basis of each result of detection at the light-receiving element 310, when the characteristics of the target plate 20 are switched between the characteristics of scattering light and the characteristics of transmitting light.

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