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    • 1. 发明专利
    • Gear meshing structure
    • 齿轮结构
    • JP2003074680A
    • 2003-03-12
    • JP2001265622
    • 2001-09-03
    • Hirabayashi Seisakusho:Kk株式会社平林製作所
    • KUSUURA MASAYOSHI
    • E02D7/20E02D7/22F16H1/06F16H57/12
    • PROBLEM TO BE SOLVED: To provide a gear meshing structure capable of regularly keeping the meshing between a driven gear and a drive gear.
      SOLUTION: This gear meshing structure 1 has the driven gear 24 and drive gear 26 provided to be meshable by moving in mutually approaching directions. This structure further comprises a circular driven-side position adjusting member 2 equal in diameter to the pitch circle of the driven gear 24 and concentric to this pitch circle, and a circular drive-side position adjusting member 3 equal in diameter to the pitch circle of the drive gear 26 and concentric to this pitch circle.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供能够有规律地保持从动齿轮和驱动齿轮之间的啮合的齿轮啮合结构。 解决方案:该齿轮啮合结构1具有从动齿轮24和驱动齿轮26,驱动齿轮24通过在相互接近的方向上移动而设置成可啮合。 该结构还包括与从动齿轮24的节圆直径相等且与该节圆同心的圆形从动侧位置调整构件2和与该节圆同心的圆形驱动侧位置调整构件3, 驱动齿轮26并与该节圆同心。
    • 2. 发明专利
    • Inner excavation device
    • 内部挖掘装置
    • JP2003342956A
    • 2003-12-03
    • JP2002155405
    • 2002-05-29
    • Hirabayashi Seisakusho:Kk株式会社平林製作所
    • KUSUURA MASAYOSHIAOCHI MASAHIKO
    • E02D7/00
    • PROBLEM TO BE SOLVED: To provide an inner excavation device which can enhance the working efficiency of excavation by enabling upsizing while minimizing an increase in weight.
      SOLUTION: This inner excavation device 1 is equipped with two shells 32 which are turnably supported at the lower end of a main frame 11 and provided in an openably/closable manner, and a hydraulic cylinder 33 which is interposed between the shells 32 and the upper part of the main frame 11 so as to turn the two shells 32 within a fixed angular range; the two hydraulic cylinders 33 per shell 32 are juxtaposed at an interval; and each of the hydraulic cylinders 33 is independently supported by each of the upper part of the main frame 11 and the shells 32.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种能够通过使重量增加最小化而能够提高挖掘的作业效率的内挖掘装置。 解决方案:该内挖掘装置1配备有两个壳体32,它们可转动地支撑在主框架11的下端并以可开闭的方式设置;液压缸33,其插入在壳体32之间 和主框架11的上部,以便将两个壳体32转动到固定的角度范围内; 每个壳32的两个液压缸33以间隔并置; 并且每个液压缸33由主框架11的上部和壳32中的每一个独立地支撑。版权所有(C)2004,JPO
    • 5. 发明专利
    • Steel tube press-fitting/extracting and welding equipment and steel tube welding method
    • 钢管焊接/提取和焊接设备和钢管焊接方法
    • JP2003313868A
    • 2003-11-06
    • JP2002122259
    • 2002-04-24
    • Hirabayashi Seisakusho:Kk株式会社平林製作所
    • KUSUURA MASAYOSHIKOIZUMI KATSUISA
    • E02D5/24E02D7/22E02D13/00
    • PROBLEM TO BE SOLVED: To provide steel tube press-fitting/extracting equipment and a steel tube welding method capable of assuring safety of working and increasing a working efficiency and welding quality on the welding of steel tubes.
      SOLUTION: In this steel tube press-fitting/extracting equipment 1, a welding machine 14 for welding the lower and upper steel tubes P from a stationary fixed position while the lower steel tubes P rotatingly driven by a chuck part 13 and the upper steel tubes P rotating integrally therewith are being rotated is detachably installed in a boundary part between the lower steel tubes P vertically held on the chuck part 13 for tightening the outer periphery of the steel tubes P and the upper steel tubes P placed thereon when the steel tubes P are press-fitted into a depth exceeding the length of the steel tubes by placing new steel upper steel tubes P on and welding to the upper end surfaces of the lower steel tubes P press-fitted except for a part thereof.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供能够确保工作安全性并提高钢管焊接工作效率和焊接质量的钢管压配/提取设备和钢管焊接方法。 解决方案:在该钢管压入/取出设备1中,一个焊接机14,用于从固定的固定位置焊接下部和下部钢管P,而下部钢管P由卡盘部分13旋转驱动, 旋转一体的上钢管P可拆卸地安装在垂直保持在卡盘部13上的下钢管P之间的边界部分中,用于紧固钢管P的外周和放置在其上的上钢管P 通过将新的钢上钢管P放置并焊接到除了其一部分之外的下部钢管P的上端表面上,将钢管P压配成超过钢管长度的深度。 版权所有(C)2004,JPO