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81. 发明专利

JP2002061183A INNER EXCAVATION DEVICE IN CASING PRESS-FITTING DEVICE 失效
公开(公告)号：JP2002061183A
公开(公告)日：2002-02-28
申请号：JP2000249291
申请日：2000-08-21
申请人： SANWA KIZAI CO LTD
发明人： HAMANO MAMORU , TORIKAI MITSUTOSHI , KOMATA MUNENORI
IPC分类号： E02D7/00 , E02D7/20 , E02D7/22
摘要： PROBLEM TO BE SOLVED: To reduce an occupied work area of an inner excavation device by a bucket in a casing press-fitting device. SOLUTION: In this inner excavation device, a portal frame comprising a right and a left arms, and an upper beam is journalled at lower ends of the portal frame at one side part of the casing press-fitting device in such a way that it can be oscillated in a vertical surface, a drive means to oscillate the portal frame is provided, a wire connected to a winch at one end is suspended from a top sheave of the portal frame, and the inner excavation bucket or a single body of a casing is selectively suspended from the wire to be detachable. The portal frame is composed to be capable of oscillating in such a range as to be capable of moving the inner excavation bucket or the single body of the casing at least between a press-fitting center position of the casing press- fitting device and an outer position apart from the casing press-fitting device, and it is formed to have such inner size that the inner excavation bucket and the single body of the casing can pass through the inside of the portal frame when they are oscillated.

82. 发明专利

JP2002054139A RECYCLING METHOD FOR SURPLUS LIQUID HARDENER 失效
公开(公告)号：JP2002054139A
公开(公告)日：2002-02-20
申请号：JP2000240902
申请日：2000-08-09
申请人： KAWASHO GECOSS CORP , SANWA KIZAI CO LTD
发明人： IMAI RYOJI , TERAO TSUKASA , SHIMURA HAJIME , HAMANO MAMORU
IPC分类号： E02D17/04 , B03B5/00 , B03B5/28 , B03B7/00 , C02F1/00 , C09K8/50 , C09K8/56 , E02D5/18
摘要： PROBLEM TO BE SOLVED: To provide a recycling method for a surplus liquid hardener, which is very easy and economical and for use in the soil cement mixing method. SOLUTION: The soil cement mixing method for use in constructing an underground wall, etc., is carried out by mixing the liquid hardener discharged from an auger head and in-site soil excavated by an auger with each other, and agitating the resultant mixture. The recycling method for the surplus liquid hardener is adopted in the soil cement mixing method, and comprised of the following steps. That is, in the first step, the surplus mixed soil of the excavated in-site soil and the liquid hardener, which is discharged during excavation and agitation, is recovered by an surplus liquid sucking vehicle 10. In the second step, the recovered surplus mixed soil is separated into the soil and the surplus liquid hardener, by a separator 20 comprised of a mud screen and a cyclone. In the subsequent step, the separated surplus liquid hardener is supplied to the auger head 41 again.

83. 发明专利

JP2002038484A UNDERWATER CONCRETE PLACING METHOD AND BOAT THEREFOR 失效
公开(公告)号：JP2002038484A
公开(公告)日：2002-02-06
申请号：JP2000228646
申请日：2000-07-28
申请人： FUJITA CORP , KOKUDO SOGO KENSETSU KK , KOJIMAGUMI KK , SANWA KIZAI CO LTD , FUJI KAIJI KOGYO KK
发明人： SUGI HIDEHIRO , OMORI YOSHIAKI , NASU TSUNEO , KAYAHATA ATSUSHI , HATANO TOSHIHISA , GOTO MICHIO , SAKAMOTO HIROYUKI , TOMIKI TADASHI , NAKAI YASUTAKA , KIKUCHI TADASHI , NAGASE KYOICHI , KAKEHASHI TAKAHARU , KOJIMA AKIO , HAMANO MAMORU , TORIKAI MITSUTOSHI , SHIGEOKA YOSHINORI
IPC分类号： E02D15/10 , B63B35/00
摘要： PROBLEM TO BE SOLVED: To provide an underwater concrete placing method capable of securing the quality of a landfill material and minimizing water pollution and feeding the landfill material without troubles even if the water depth varies and further, continuously placing the landfill material while transferring the boat. SOLUTION: An underwater placing device 26 is arranged at the side of the hull 20 of the underwater placing boat 12. The underwater placing device 26 is provided with a tubular body 30 having a rectilinearly long length corrsponding to the fore and aft length of the hull 20. A screw blade 34 is disposed in the tubular body 30. The tubular body 30 is rockably hung by a wire 28 so that the front end of the tubular body is set at a specified distance from the water bottom. The landfill material is supplied from a hopper into the tubular body 30 and force-fed in the tubular body 30 in a state the material is closely stuck by the screw blade 34 and placed onto the bottom of water.

84. 发明专利

JP2001271338A REDUNDANT LIQUID RECYCLING METHOD AND RECYCLING PLANT 失效
公开(公告)号：JP2001271338A
公开(公告)日：2001-10-05
申请号：JP2000086836
申请日：2000-03-27
申请人： KAWASHO GECOSS CORP , JEKOSU KOJI KK , SANWA KIZAI CO LTD
发明人： IMAI RYOJI , TERAO TSUKASA , SHIMURA HAJIME , HAMANO MAMORU
IPC分类号： E02D3/12 , E02D5/18
摘要： PROBLEM TO BE SOLVED: To provide a redundant liquid recycling method which does not cause a conventional inconvenience. SOLUTION: According to the recycling method which extracts liquid for recycling from redundant liquid and mixes the same in soil cement again in the step of soil cement mixing, a proportion of cement and a proportion of bentonite in the liquid for recycling are estimated without using complicated measuring equipment, whereby the liquid for recycling in a stable condition can be supplied to the soil cement. In this manner, the amounts of cement and bentonite can be reduced.

85. 发明专利

JP2001262567A SHEET PILE DRIVER 失效
公开(公告)号：JP2001262567A
公开(公告)日：2001-09-26
申请号：JP2000077929
申请日：2000-03-21
申请人： SANWA KIZAI CO LTD
发明人： HAMANO MAMORU , YAMAZAKI KAZUO
IPC分类号： E02D7/00
摘要： PROBLEM TO BE SOLVED: To reduce penetration resistance f a sheet pile by sufficiently excavating up to a corner part of the sheet pile even in a wide sheet pile as well as to prevent the occurrence of the degradation of ground strength by eliminating excessive excavation. SOLUTION: This sheet pile driver is provided with a driving device 6 liftably supported along a leader mast 2; two auger screws 20 and 20 rotatably juxtaposed under this driving part 6; a casing 23 having an elliptic cross-sectional shape arranged so as to surround both these auger screws 20 and 20; a chuck 35 for gripping the upper end arranged under the driving part 6 so that the sheet pile 34 is placed along an outside surface of a flat side surface part of the casing 23; and an engaging part 39 for locking a lower end part of the sheet pile 34 arranged in a lower part of the casing 23.

86. 发明专利

JPH11324551A MAST SUPPORTING DEVICE FOR RUNNING CARRIAGE IN WORKING MACHINE FOR FOUNDATION WORK 失效
公开(公告)号：JPH11324551A
公开(公告)日：1999-11-26
申请号：JP15080698
申请日：1998-05-15
申请人： SANWA KIZAI CO LTD
发明人： HAMANO MAMORU , YAMAZAKI KAZUO , TANAKA TOSHIO
IPC分类号： E21B15/00 , E02D7/16
摘要： PROBLEM TO BE SOLVED: To improve balance of a device by concentrically journaling a unit frame and a leader frame on the turning shaft of a running carriage turnably on the horizontal plane, and connecting together both capably of being engaged and disengaged by two connecting means. SOLUTION: A cylindrical unit frame boss part 14 is on the inner circumferential face of a cylindrical turning shaft 13 on the center position of a main body frame 12, and a cylindrical leader frame boss part 16 is on the outer circumferential face, respectively concentrically and rotatably journaled through bearings 15 and 17. The front end part of a unit frame 2 is fixed to the one boss part 14, the rear end part of a leader frame 3 is fixed to the other boss part 16, and the unit frame 2 and the leader frame 3 are turnably supported on the horizontal plane. A first connecting means connecting together both the frames 2, 3, and a second connecting means making the unit frame 3 unrotational are provided, and both are integratedly turned, or the only leader frame 3 is made turnable. Hereby, even when the only leader frame 3 is turned in a narrow site, the device can be turned with good balance.

87. 发明专利

JPH11152742A EXCAVATOR AND CONSTRUCTION METHOD FOR UNDERGROUND CONTINUOUS WALL USING THE SAME 失效
公开(公告)号：JPH11152742A
公开(公告)日：1999-06-08
申请号：JP33649697
申请日：1997-11-20
申请人： TONE GEO TECH CO LTD , SANWA KIZAI CO LTD , OZAWA CONCRETE IND CO LTD
发明人： SOEJIMA TORAJIRO , HAMANO MAMORU , TSURUTA TAKESHI
IPC分类号： E21B7/00 , E02D5/18
摘要： PROBLEM TO BE SOLVED: To continuously form an excavation groove along a horizontal direction and to discharge excavated earth efficiently. SOLUTION: An excavator 1 comprises running bodies 2 and 3, a guide cell supported by the running bodies 2 and 3, an auger drive device 6 freely movable along the guide cell. Further, the excavator comprises an auger shaft 10 coupled to the auger drive device 6 and rotatable around an axis, and underground frames 11 supported by the auger drive device 6 and consisting of auger- surrounding frame K in a U-shape in a cross section to surround the three sides of the auger shaft 10, and underground frame 11 integrally formed adjacently to the auger-surrounding frame and consisting of wall surface supporting forms S.

88. 发明专利

JPH11148293A SWIVEL DEVICE OF EXCAVATOR 失效
公开(公告)号：JPH11148293A
公开(公告)日：1999-06-02
申请号：JP31688397
申请日：1997-11-18
申请人： SANWA KIZAI CO LTD
发明人： HAMANO MAMORU , TORIKAI MITSUTOSHI , SEN KANUN
IPC分类号： E21B21/02
摘要： PROBLEM TO BE SOLVED: To prevent the partial abrasion of a seal member and liquid leakage. SOLUTION: This swivel device supplies liquid such as water and a cement milk to an excavating rod connected to a driving part provided in the drive part 2 of an excavator. A swivel pipe 6 is connected to an upper end of an output shaft 5 of the drive part 2, and a seal case 8 fixed to the drive part is fitted on an outer periphery of the swivel pipe 6, and an upper part between the swivel pipe 6 and the seal case 8 is liquid-tightly sealed with water stopping seal rings 12, 12... provided on a plurality of vertical steps, and a lower part is rotatably supported with rolling bearings 13, 13... arranged vertically.

89. 发明专利

JPH11107660A CHUCK WITH CHUCK SPACER IN CASING OPERATING DEVICE 失效
公开(公告)号：JPH11107660A
公开(公告)日：1999-04-20
申请号：JP28758497
申请日：1997-10-06
申请人： SANWA KIZAI CO LTD
发明人： HAMANO MAMORU , TORIKAI MITSUTOSHI , YAMAMOTO TOSHIHIKO
IPC分类号： E21B3/06 , E02D13/00 , E21B7/20
摘要： PROBLEM TO BE SOLVED: To carry out gripping surely without damaging a casing by a chuck spacer when biassed collision against the casing of the chuck spacer is generated due to the variation of the accuracy of manufacture. SOLUTION: The chuck is constituted so that one of the three chuck arms 16, 17 of a one-third arc mutually having arcuate inner circumferential surfaces having the same curvature is fixed onto a support frame, one end sections of the other chuck arms 17 are connected at both end sections of the fixed chuck arm 16 in a rockable manner on the same surface and the outer circumferential surface of the casing C is gripped by the inner circumferential surfaces of the three chuck arms 16, 17. The chuck spacer 32 of an approximately one- third arc, in which the radius of curvature of an outer circumferential surface is made slightly smaller than those of the inner circumferential surfaces of the chuck arms 16, 17 and the radius of curvature of an inner circumferential surface is equalized to that of the outer circumferential surface of the casing C to be gropped, is coupled with the chuck arms 16, 17 respectively so as to be able to be slightly rolled on the inner circumferential surface of the chuck arm 16 by the outer circumferential surface.

90. 发明专利

JPH1150774A CONNECTING DEVICE FOR EXCAVATING ROD IN EXCAVATOR 失效
公开(公告)号：JPH1150774A
公开(公告)日：1999-02-23
申请号：JP20946697
申请日：1997-08-04
申请人： NIPPON CONCRETE IND CO LTD , SANWA KIZAI CO LTD
发明人： OSHIMA AKIRA , KABASAWA TAKEYUKI , HAMANO MAMORU , FUJII HAJIME
IPC分类号： E21B7/00 , E21B17/02 , E21B17/03
摘要： PROBLEM TO BE SOLVED: To easily expand an excavating rod even in the case of an excavator having a member that may become an obstacle, such as a soil-discharge hopper, below a drive. SOLUTION: This device includes an intermediate rod 10 connected to and hanging down from the output shaft of a drive part which is free to rise and fall along a tower, a control rod 24 non-rotatably and axially slidably inserted into the intermediate rod 10, and an excavating-rodconnecting female joint part 25 provided at the lower end of the intermediate rod 10. The female joint part 25 is provided with a lock member 29 which is freely locked in and unlocked from a lock groove in the male joint part of the excavating rod, in such a way that the lock member 29 is free to project and sink radially. The lock member 29 is projected and sunk by an operating mechanism 50 which responds to the moving up and down of the control rod 24.

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