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1. 发明专利

JP2006219867A Widening excavation equipment and pile pit widening method 有权
标题翻译：宽幅挖掘设备和桩墩宽度方法
公开(公告)号：JP2006219867A
公开(公告)日：2006-08-24
申请号：JP2005033056
申请日：2005-02-09
申请人： Marugo Foundation Corp , Ohbayashi Corp , Tokushu Kokoho Keikaku Kenkyusho:Kk , 丸五基礎工業株式会社 , 株式会社大林組 , 株式会社特殊構工法計画研究所
发明人： YOSHIZAKI MASAAKI , SATO SHINKO , SUDO TOSHIMI , HIRATA MASAMI , AOKI KENZO , NAKADA YASUO
IPC分类号： E21B10/32
摘要： PROBLEM TO BE SOLVED: To extend design freedom by expanding a range wherein a widening excavation angle can be adjusted, and independently adjusting a widening dimension.
SOLUTION: A pile pit widening device 1 is used by being mounted on a body of rotation, so as to widen a pile pit for a cast-in-place concrete pile. The device 1 is equipped with an excavating bit 16 which is composed of upper and lower bits 17 and 20 bendably/stretchably connected together, and an actuator 35 which presses either of the upper and lower bits 17 and 20 of the excavating bit 16 so as to bend the upper and lower bits 17 and 20 at a predetermined angle. The actuator 35 and the upper or lower bit 17 or 20 are rotatably connected together, and the upper and lower bits 17 and 20 are rotated with the body of rotation in a bent state, so that an inner wall surface of the pile pit can be excavated while being widened at an angle corresponding to the angle of the bending of the upper and lower bits 17 and 20.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过扩大可以调整加宽挖掘角度的范围来扩展设计自由度，并且独立地调整加宽尺寸。解决方案：通过安装在旋转体上使用堆坑加宽装置1，以便扩大现浇混凝土桩的堆垛坑。装置1配备有由可弯曲/可伸缩地连接在一起的上部和下部位17和20组成的挖掘钻头16以及将挖掘钻头16的上部和下部钻头17和20中的任何一个按压的致动器35，以便将上部和下部位17和20以预定角度弯曲。致动器35和上部或下部钻头17或20可旋转地连接在一起，并且上部和下部钻头17和20与弯曲状态下的旋转体一起旋转，使得桩坑的内壁表面可以是在与上部和下部位17和20的弯曲角相对应的角度加宽的同时进行挖掘。（C）2006年，JPO＆NCIPI

2. 发明专利

JP2006219911A Device and method for widening pile pit for cast-in-place concrete pile 审中-公开
标题翻译：用于加固混凝土桩的桩底的装置和方法
公开(公告)号：JP2006219911A
公开(公告)日：2006-08-24
申请号：JP2005035017
申请日：2005-02-10
申请人： Marugo Foundation Corp , Ohbayashi Corp , Tokushu Kokoho Keikaku Kenkyusho:Kk , 丸五基礎工業株式会社 , 株式会社大林組 , 株式会社特殊構工法計画研究所
发明人： YOSHIZAKI MASAAKI , SATO SHINKO , SUDO TOSHIMI , HIRATA MASAMI , AOKI KENZO , NAKADA YASUO
IPC分类号： E21B10/32 , E02D5/44 , E21B7/00
摘要： PROBLEM TO BE SOLVED: To provide a device and a method for widening a pile pit for a cast-in-place concrete pile, which enable the adjustment of an angle of inclination of a widened section for being excavated.
SOLUTION: This pile pit widening device 10 for widening the pile pit for the cast-in-place concrete pile is used by being mounted on a kelly-bar 2 as a body of rotation. The device 10 comprises: a supporting body 1 which is rotated with the kelly-bar; a guide rail 3 which is rotatably connected to the supporting body 1, and which can change the angle of inclination in a vertical plane with respect to a rotating shaft of the supporting body 1; a hydraulic jack 2 for adjusting the angle, which changes the angle of the inclination of the guide rail 3; an excavating member 5 which is guided along the guide rail 3, which is elongated to the side of an outside diameter from the guide rail 3, where an excavating bit 6a is provided at the leading end on the side of the outside diameter, and where an excavating bit 6b is provided on a lower surface; and a hydraulic jack 4 for widening excavation, which is used for driving the excavating member 5 along the guide rail 3.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于加宽现浇混凝土桩的堆垛的装置和方法，其能够调整被加宽区域的倾斜角度以进行挖掘。解决方案：用于加宽现浇混凝土桩的桩坑的堆坑加宽装置10通过安装在作为旋转体的凯利杆2上而被使用。装置10包括：支撑体1，其与凯利杆一起旋转; 导轨3，其可旋转地连接到支撑体1，并且能够相对于支撑体1的旋转轴改变垂直平面中的倾斜角; 用于调节角度的液压千斤顶2，其改变导轨3的倾斜角; 沿着导轨3被引导的挖掘构件5，该导轨3从导轨3延伸到外径侧的一侧，在外径侧的前端设有挖掘钻头6a，在下表面上设有挖掘钻头6b; 以及用于沿着导轨3驱动挖掘构件5的用于加宽挖掘的液压千斤顶4（C）版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006219868A Widening excavation equipment and pile pit widening method 审中-公开
标题翻译：宽幅挖掘设备和桩墩宽度方法
公开(公告)号：JP2006219868A
公开(公告)日：2006-08-24
申请号：JP2005033057
申请日：2005-02-09
申请人： Marugo Foundation Corp , Ohbayashi Corp , Tokushu Kokoho Keikaku Kenkyusho:Kk , 丸五基礎工業株式会社 , 株式会社大林組 , 株式会社特殊構工法計画研究所
发明人： YOSHIZAKI MASAAKI , SATO SHINKO , SUDO TOSHIMI , HIRATA MASAMI , AOKI KENZO , NAKADA YASUO
IPC分类号： E21B10/32
摘要： PROBLEM TO BE SOLVED: To extend design freedom by expanding a range wherein an angle of inclination of an excavating bit can be adjusted.
SOLUTION: A pile pit widening device 1 is used by being mounted on a body of rotation, so as to widen a pile pit for a cast-in-place concrete pile. The device 1 comprises a pair of excavating bits 8 and 14 which are provided symmetrically to each other by making a rotating shaft of the body of rotation serve as the center of symmetry and which can be each horizontally oscillated on positions symmetrical to each other by making the rotating shaft serve as the center of symmetry, and actuators 19 and 24 for oscillating the pair of excavating bits 8 and 14. The oscillating angles of both the excavating bits 8 and 14 are adjusted by the actuators 19 and 24, and both the excavating bits 8 and 14 are rotated with the body of rotation by setting a widening radius and an angle of inclination depending on the oscillating angle. This enables an inner wall surface of the pile pit to be widened and excavated at a predetermined depth and a predetermined angle of inclination.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过扩大可以调整挖掘钻头的倾斜角度的范围来延伸设计自由度。解决方案：通过安装在旋转体上使用堆坑加宽装置1，以便扩大现浇混凝土桩的堆垛坑。设备1包括一对挖掘钻头8和14，它们通过使旋转体的旋转轴作为对称中心而彼此对称设置，并且可以通过制造彼此对称的位置而水平摆动旋转轴用作对称中心，以及用于使一对挖掘钻头8和14摆动的致动器19和24.两个挖掘钻头8和14的摆动角度由致动器19和24调节，并且挖掘位8和14通过根据摆动角度设定加宽半径和倾斜角度而随着旋转体旋转。这使得能够使预定深度和预定的倾斜角加宽和挖掘堆坑的内壁表面。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2004244808A Bottom expanding cast-in-place steel pipe concrete pile 审中-公开
公开(公告)号：JP2004244808A
公开(公告)日：2004-09-02
申请号：JP2003032633
申请日：2003-02-10
申请人： Marugo Foundation Corp , 丸五基礎工業株式会社
发明人： AOKI KENZO
IPC分类号： E02D5/44 , E02D5/48 , E02D5/50
摘要： PROBLEM TO BE SOLVED: To provide a bottom expanding cast-in-place steel pipe concrete pile for coping with maximum bending moment of an underground part, relieving stress concentration generated in a boundary part between a steel pipe concrete part and a reinforced concrete part, and preventing breakdown of the reinforced concrete part upper end by diametrally enlarging an upper part of the reinforced concrete part in the bottom expanding cast-in-place steel pipe concrete pile for diametrally thinning the reinforced concrete part.
SOLUTION: The reinforced concrete part 2 is formed in a thinner diameter than the steel pipe concrete part 1, and a large diameter part 4 composed of reinforced concrete having a diameter larger than the reinforced concrete part 2 and not more than a diameter of the steel pipe concrete part 1 is arranged between the reinforced concrete part 2 and the steel pipe concrete part 1.
COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2007314948A End width increasing excavator of earth drill and enlarged bottom pile construction method using the excavator 有权
标题翻译：使用挖掘机增加挖掘机的挖掘机和扩展底板施工方法
公开(公告)号：JP2007314948A
公开(公告)日：2007-12-06
申请号：JP2006142741
申请日：2006-05-23
申请人： Marugo Foundation Corp , Okumura Corp , 丸五基礎工業株式会社 , 株式会社奥村組
发明人： HAYASHI YOSHIHISA , FUNAKI HIDETAKA , OKA YASUHIRO , HIURA KOICHI , AOKI KENZO , IGUCHI YOICHI
IPC分类号： E21B11/00 , E21D1/06
摘要： PROBLEM TO BE SOLVED: To provide an end width increasing excavator of an earth drill capable of increasing the diameter of the enlarged bottom part of a cast-in-place concrete pile by increasing the enlarging angle of a width enlarging blade.
SOLUTION: In this end width increasing excavator of an earth drill, the enlarging blade 2 forming a part of the outer shell of a cylindrical bucket 1 is so pivotally supported as to be radially opened and closed through a hinge 3. The enlarging blade 2 is connected to a slide frame 4 moving in the axial direction inside the bucket 1 through a link rod 5. The enlarging blade 2 is opened and closed by the lifting operation of the slide frame 4. A lateral shaft 6 for supporting the vertical swing of the link rod 5 is installed in the slide frame 4, and a vertical shaft 7 for supporting the lateral swing of the link rod 5 is fitted to the lateral shaft 6. The lateral shaft 6 and its bearing part 8 are so installed as to be tilted from the normal direction of the bucket 1 to the hinge 3 side of the enlarging blade 2.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过增加宽度增大叶片的放大角度来增加现浇混凝土桩的扩大底部的直径的地钻的端部宽度增加挖掘机。解决方案：在该钻头的宽度增加挖掘机的这端，形成圆柱形铲斗1的外壳的一部分的扩大刀片2通过铰链3被枢转地支承为径向打开和关闭。扩大叶片2通过连杆5连接到在铲斗1内沿轴向移动的滑动框架4.通过滑动框架4的提升操作，扩大刀片2打开和关闭。用于支撑垂直方向的侧轴6 连杆5的摆动安装在滑动框架4中，并且用于支撑连杆5的横向摆动的竖直轴7装配到侧轴6.侧轴6及其轴承部8安装为从铲斗1的法线方向倾斜到扩大刀片2的铰链3侧。（C）版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2005139703A Reinforcing construction method of existing concrete pile 审中-公开
标题翻译：现有混凝土桩的施工方法
公开(公告)号：JP2005139703A
公开(公告)日：2005-06-02
申请号：JP2003376671
申请日：2003-11-06
申请人： Marugo Foundation Corp , Toyo Techno Corp , 丸五基礎工業株式会社 , 東洋テクノ株式会社
发明人： AOKI KENZO , MIYAMOTO KAZUYUKI
IPC分类号： E02D5/34 , E02D5/30
摘要： PROBLEM TO BE SOLVED: To provide a reinforcing construction method of an existing concrete pile, capable of inexpensively and diametrally expanding a head part of an existing steel pipe concrete pile to a steel pipe concrete structure having a further large diameter, by facilitating the connection of a shaft part of a pile and a diametrally expanding part.
SOLUTION: In this reinforcing construction method of the existing concrete pile for arranging a steel pipe 1 in a pile head part, a reinforcement 2 is extended upward from the steel pipe 1 arranged in the pile head part; a diametrally expanding steel pipe 3 having a large diameter is arranged on the outer periphery of this reinforcement 2; and concrete 4 is placed inside this diametrally expanding steel pipe 3.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供现有混凝土桩的加固施工方法，能够将现有钢管混凝土桩的头部成本和径向膨胀到具有更大直径的钢管混凝土结构，通过促进桩的轴部分和径向扩张部分的连接。解决方案：在用于将钢管1布置在桩头部分中的现有混凝土桩的这种加固施工方法中，钢筋2从布置在桩头部分中的钢管1向上延伸; 在该加强件2的外周配置直径大的直径扩大的钢管3; 并且混凝土4放置在该径向膨胀的钢管3内。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004124368A Construction method for cast-in-place concrete pile 有权
公开(公告)号：JP2004124368A
公开(公告)日：2004-04-22
申请号：JP2002285592
申请日：2002-09-30
申请人： Marugo Foundation Corp , Okumura Corp , 丸五基礎工業株式会社 , 株式会社奥村組
发明人： AOKI KENZO , TSUTSUI MICHITAKA
IPC分类号： E02D5/34
摘要： PROBLEM TO BE SOLVED: To provide a construction method for a cast-in-place concrete pile enabling the construction of a dense concrete pile having excellent strength without increasing the nominal strength of concrete as in a conventional method to reduce a material cost and prevent underground water from oozing into the surface of a pile head even under pressurized water.
SOLUTION: In this construction method for constructing the concrete pile 10 by digging the ground to form a pile hole 1 and placing concrete 3 after building a reinforcing bar basket 2 in the pile hole 1, a sealed space 4 is formed above the placed concrete 3, and a pressurized fluid 5 is introduced into the space 4 so that fluid pressure acts on the upper face of the concrete 3 until it is condensed.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2003176532A CAST-IN-PLACE CONCRETE PILE STRUCTURE 审中-公开
公开(公告)号：JP2003176532A
公开(公告)日：2003-06-24
申请号：JP2001377594
申请日：2001-12-11
申请人： MARUGO FOUNDATION CORP , OKUMURA CORP
发明人： AOKI KENZO , TSUTSUI MICHITAKA
IPC分类号： E02D5/48
摘要： PROBLEM TO BE SOLVED: To provide cast-in-place concrete pile structure that can provide bearing power equivalent to a large enlarged bottom diameter, even with a comparatively small enlarged bottom diameter by embedding two or more steps of enlarged bottom parts in a support layer. SOLUTION: The tip part of a pile 1 has two or more steps of enlarged bottom parts 2, 3. A support face 21 of the enlarged bottom part 2 in the uppermost step is positioned lower than at least the upper face of a support layer 4, and the enlarged bottom part 3 in the following step downward is positioned in the support layer 4. COPYRIGHT: (C)2003,JPO

9. 发明专利

JP2002021069A STEEL PIPE SETTING METHOD IN METHOD FOR CONSTRUCTING CAST- IN-PLACE STEEL PIPE REINFORCED CONCRETE PILE 失效
公开(公告)号：JP2002021069A
公开(公告)日：2002-01-23
申请号：JP2000205185
申请日：2000-07-06
申请人： MARUGO FOUNDATION CORP
发明人： AOKI KENZO
IPC分类号： E02D5/34
摘要： PROBLEM TO BE SOLVED: To provide a steel pipe setting method in a method for constructing a cast-in- place steel pipe reinforced concrete pile, which can prevent a co-lifting phenomenon of a steel pipe occurring when a easing is pulled out or a settling phenomenon of the steel pipe due to its self weight or caused by settlement of placed concrete together with the same, when the cast-in-place steel pipe reinforced concrete pile is constructed according to the all-casing method. SOLUTION: The method for constructing the cast-in-place steel pipe reinforced concrete pile according to the all-casing method, is carried out by excavating the interior of an internal casing 3 set at a predetermined depth, inserting a cage of reinforcement 5 thereinto, placing concrete C in the interior of the internal easing 3, then pulling out the internal casing 3, and inserting thereinto the steel pipe 1. According to the method, extension members 10 and 11 are extended from the cage of reinforcement 5 and the steel pipe 1 to respective portions above a final placement surface C1 of the concrete, and the extension member 10 of the cage of reinforcement 5 and the extension member 11 of the steel pipe 1 are connected together at a location above the final placement surface C1 of the concrete. In this manner the steel pipe 1 is supported at a predetermined location.

10. 发明专利

JP2001098543A SOIL CEMENT COMPOSITE PILE PRODUCING DEVICE 失效
公开(公告)号：JP2001098543A
公开(公告)日：2001-04-10
申请号：JP2000103177
申请日：2000-04-05
申请人： MARUGO FOUNDATION CORP
发明人： HIRAMI SHIGERU , KOJIMA MASARU , AOKI KENZO
IPC分类号： E21B10/32 , E02D5/46
摘要： PROBLEM TO BE SOLVED: To provide a soil cement composite pile producing device capable of improving workability without using a shear pin for temporarily fixing an excavating blade in a state of extending in the circumferential direction from an outer diameter of a hollow pipe. SOLUTION: In a soil cement composite pile producing device where the excavating blade 2A extended in the circumferential direction from the outer diameter of a hollow pipe 4 from the lower end of the hollow pipe 4 is swingably arranged via shaft 22 on a bracket 23 projected in a lower end outer peripheral part of a rod 1 in a lower part of the rod 1 inserted into the hollow pipe 4 to excavate the ground up to the prescribed depth in a state of holding an extending state of the excavating blade 2A by a temporarily fixing tool 3, and when pulling up the rod 1 in the hollow pipe 4 after producing a soil cement composite pile, the excavating blade 2A is swung/ diametrically contracted by abutting to the lower end of the hollow pipe 4 to pass through into the hollow pipe 4, the temporarily fixing tool 3 is locked on a locking part 20t formed on the excavating blade 2A by a locking member 32 installed on a bracket 23 and energized by spring pressure, and locking of the locking part 20t is released by abutting force of a preset value or more of the lower end of the hollow pipe 4 to the excavating blade 2A.

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