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    • 2. 发明专利
    • Enlarging head of fluid pressure one flow passage switching type by striker system
    • 流体压力放大头一个流动通道开关式
    • JP2008202375A
    • 2008-09-04
    • JP2007067476
    • 2007-02-19
    • Sanwa Kizai Co Ltd三和機材株式会社
    • HAMANO MAMORUTORIKAI MITSUTOSHIHAYASHI SATOICHI
    • E21B10/32E21B10/44
    • PROBLEM TO BE SOLVED: To simplify and miniaturize an added connection part of a working rod and hold free opening of an enlarging blade securely.
      SOLUTION: This enlarging head has such a configuration that a fluid pressure cylinder is incorporated in a head rod 4 in a lower end part of the excavation working rod, a fluid flow passage of one system for supplying pressure fluid into the cylinder from the outside is vertically communicated with the excavation working rod, and the enlarging blade 5 extended and contracted by driving the fluid pressure cylinder is provided in an outer peripheral part of the head rod 4. The enlarging blade 5 is closed and contracted by operating a fluid flow passage change-over valve 7 for the fluid pressure cylinder by a striker moving by following vertical movement of a piston 14 of the fluid pressure cylinder incorporated in the head rod 4 or the cylinder 17.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了简化和小型化工作杆的附加连接部分并且可靠地保持放大刀片的自由开口。 解决方案:该放大头具有将流体压力缸并入挖掘工作杆的下端部中的头杆4中的一个构造,用于将压力流体从缸内供给的一个系统的流体流路 外部与挖掘工作杆垂直连通,并且通过驱动流体压力缸而扩张和收缩的扩大刀片5设置在头棒4的外周部分中。扩大刀片5通过操作流体闭合并收缩 流体压力缸的流路切换阀7由冲击头移动,通过跟随在头杆4或气缸17中的流体压力缸的活塞14的垂直运动而移动。版权所有(C)2008, JPO&INPIT
    • 3. 发明专利
    • Rectangular cross section boring machine
    • 矩形横截面镗孔机
    • JP2007205048A
    • 2007-08-16
    • JP2006025520
    • 2006-02-02
    • Sanwa Kizai Co Ltd三和機材株式会社
    • TORIKAI MITSUTOSHIAKIBA TOSHIYASU
    • E21D9/06E21D9/087
    • PROBLEM TO BE SOLVED: To provide a rectangular cross section boring machine capable of efficiently burying a tubular support member of elongated rectangular cross section into the ground. SOLUTION: The greater part of the ground excluding small parts at four corners of rectangular cross section can be excavated because of excavating the ground using a lateral pair of screw shafts partially overlapped with each other from the front view in a jacking direction and rotated in opposite directions to each other. Further, since sediment produced by excavating the ground is discharged by a lateral pair of screw blades in linkage, obstacles such as gravel and rocks buried in the ground can be positively conveyed backward, thereby causing no clogging. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种矩形横截面镗床,其能够将具有细长矩形横截面的管状支撑构件有效地埋入地面中。

      解决方案:由于在前进方向上从前视图中使用一对侧面部分地重叠的螺旋轴进行挖掘,所以可以挖掘除矩形横截面四角的小部件的大部分地面, 彼此相反的方向旋转。 此外,由于通过挖掘地面产生的沉积物由连接的一对螺旋叶片排出,所以诸如砾石和埋在地下的岩石之类的障碍物能够被向后传递,从而不会堵塞。 版权所有(C)2007,JPO&INPIT

    • 4. 发明专利
    • Connecting pin for male/female joint
    • 连接用于男性/女性接头的PIN码
    • JP2005090027A
    • 2005-04-07
    • JP2003322599
    • 2003-09-16
    • Sanwa Kizai Co Ltd三和機材株式会社
    • TORIKAI MITSUTOSHITANAKA TOSHIOSAKUMA TAKESHI
    • E21B17/02F16L13/00
    • PROBLEM TO BE SOLVED: To provide a connecting pin for a male/female joint smoothly insertable in pinholes and capable of positively performing sealing between the male and female joints.
      SOLUTION: When the male joint is inserted in the female joint and the tip of the male joint abuts on an elastic packing, both pinholes of the male and female joints are slightly eccentric from each other and put in a partially lapped incongruent state, while the cross-sectional shape of the connecting pin for the male/female joint is of almost elliptic shape insertable in the lapped parts of both pinholes, and the major axis is slightly smaller than the diameter of the pinholes. Further, one end of the connecting pin is provided with a turning head for turning the connecting pin, and a means for stopping the turning of the connecting pin in that position when both pinholes coincide by turning the connecting pin.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够平滑地插入针孔中并能够在阳接头和阴接头之间积极地进行密封的阳/阴接头的连接销。

      解决方案:当阳接头插入阴接头并且阳接头的尖端与弹性垫圈抵接时,阳接头和阴接头的两个针孔彼此稍微偏心并且处于部分重叠的不一致状态 而用于阳/阴接头的连接销的横截面形状几乎为椭圆形,可插入两个针孔的搭接部分中,并且长轴略小于针孔的直径。 此外,连接销的一端设置有用于转动连接销的转动头,以及用于通过转动连接销而使两个针孔重合时停止连接销在该位置的转动的装置。 版权所有(C)2005,JPO&NCIPI

    • 5. 发明专利
    • Rotation assisting device of rotary press-fitting machine for columnar member
    • 旋转式旋转自动装配机的旋转辅助装置
    • JP2005076306A
    • 2005-03-24
    • JP2003308654
    • 2003-09-01
    • Sanwa Kizai Co Ltd三和機材株式会社
    • HAMANO MAMORUTORIKAI MITSUTOSHI
    • E02D7/16E02D7/00
    • PROBLEM TO BE SOLVED: To provide a rotation assisting device of a rotary press-fitting machine for a columnar member, which does not mar the stability of the rotary press-fitting machine and can smoothly switch to its original rotation transmitting mode when a load imposed on the machine is decreased to such a degree that an existing motor alone can rotate the columnar member, after assistance of rotation by the assisting device.
      SOLUTION: The rotary press-fitting machine hangs the columnar member by connecting one end of the columnar member to an output shaft of a rotation driving section inclusive of the motor, which is vertically movably supported by a leader mast. Then the rotation assisting devices of the rotary press-fitting machine for the columnar member, are vertically movably supported by the leader mast. Each rotation assisting device is comprised of a rotary body and an annular rocking body arranged concentrically with each other in an individually rotatable manner; a rocking driving means for rocking the rocking body; a one-way clutch mechanism for connecting the rocking body and the rotary body together at the time of rocking of the rocking body in one direction in order to transmit the rocking to the rotary body but canceling the connection at the time of rocking of the rocking body in the other direction; a vertically moving means for vertically moving the rotation assisting device; and a connecting means for detachably connecting the rotary body to the output shaft of the rotation driving section.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种用于柱形部件的旋转压配机的旋转辅助装置,其不损害旋转压配机的稳定性,并且可以平滑地切换到其原始的旋转传递模式,当 施加在机器上的负载降低到使得现有的电动机在辅助装置的旋转辅助之后可以单独旋转柱状构件的程度。

      解决方案:旋转压配机通过将柱状构件的一端连接到包括电动机的旋转驱动部分的输出轴而悬挂柱状构件,其由引导杆竖立地可移动地支撑。 然后,用于柱状构件的旋转压配机的旋转辅助装置由导柱杆竖直地移动地支撑。 每个旋转辅助装置包括旋转体和以可单独旋转的方式彼此同心设置的环形摇摆体; 用于摇摆摇摆的摇动驱动装置; 单向离合器机构,用于在摇摆体沿一个方向摇动时将摇摆体和旋转体连接在一起,以便将摇摆传递到旋转体,但在摇摆时抵消连接 身体在另一个方向; 用于垂直移动所述旋转辅助装置的垂直移动装置; 以及用于将旋转体可拆卸地连接到旋转驱动部的输出轴的连接装置。 版权所有(C)2005,JPO&NCIPI

    • 7. 发明专利
    • POSITIONING DEVICE IN PRESS-IN DEVICE OF CASING
    • JPH11173050A
    • 1999-06-29
    • JP36324597
    • 1997-12-16
    • SANWA KIZAI CO LTD
    • HAMANO MAMORUTORIKAI MITSUTOSHI
    • E21B7/20E02D7/22
    • PROBLEM TO BE SOLVED: To improve workability by supporting the front and rear parts of a base frame by wheels through a supporting frame and making it possible to finely slide the wheels in the axial direction and also change the direction. SOLUTION: When equipping attaching/detaching unit A, Aa for wheels, after the whole device has been supported by outriggers 7, the units A, Aa are fixed to a base frame 1 by respective attaching/detaching arms 15, 15a. Then, the outrigger 7 are contracted and the device is supported by the wheels 14, 14a. Then, the device is transferred to the press-in position of the casing by controlling the steering wheel 28a while dragging a traction rod 31 by a self-propelled vehicle and the forward and rearward position is adjusted. The front and rear support frames 12 for the wheels are infinitesimally and synchronously moved to the right or the left for fine adjustment of the right and left direction of the press-in position. Then, the outrigger 7 is grounded and the units A, Aa are removed from the frame 1 to secure a wide working space. Thereafter, the casing C is held by a chuck 5 and pressed in while rotating. In this way, the device can be easily transferred and the position can be finely adjusted.