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    • 1. 发明授权
    • Track bushing and method and apparatus for producing the same
    • 履带套管及其制造方法和装置
    • US07282173B2
    • 2007-10-16
    • US11367424
    • 2006-03-06
    • Takemori TakayamaChigo OkayamaMasayuki OhishiTakeyo Terao
    • Takemori TakayamaChigo OkayamaMasayuki OhishiTakeyo Terao
    • C21D1/06
    • B62D55/21C21D1/18C21D1/42C21D1/62C21D9/08C21D9/085C21D9/14C21D2221/10Y02P10/253
    • Quenched layers are formed without irregularities on the inner circumferential surface of a track bushing having a small inside diameter or on the inner circumferential surfaces of two or more track bushings which are subjected to quenching in an overlapped condition. To introduce a cooling medium for cooling the inner circumferential surface of the track bushing, a guide tube having an outside diameter smaller than the inside diameter of the track bushing is disposed on the side of the inner circumferential surface and the cooling medium introduced by the guide tube is diverted by a diverting member having a spherical or similar curved surface, such that the cooling medium is allowed to flow in a direction substantially parallel with an axial direction of the track bushing 1 within a space defined by the outer circumferential surface of the guide tube and the inner circumferential surface of the track bushing, thereby performing laminar flow cooling.
    • 淬火层在具有小内径的轨道衬套的内周面上或在重叠状态下被淬火的两个或更多个轨道衬套的内周面上形成有凹凸。 为了引入用于冷却轨道衬套的内周表面的冷却介质,具有小于轨道衬套的内径的外径的导向管设置在内周面和由引导件引入的冷却介质的一侧 管由具有球形或相似弯曲表面的转向构件转向,使得允许冷却介质沿着与导轨衬套1的轴向方向基本平行的方向在由引导件的外周表面限定的空间内流动 管和轨道衬套的内周面,从而进行层流冷却。
    • 4. 发明授权
    • Crawler bushing and method and device for producing the same
    • 履带套管及其制造方法及装置
    • US07306684B2
    • 2007-12-11
    • US10479701
    • 2001-06-07
    • Takemori TakayamaChigo OkayamaMasayuki OhishiTakeyo Terao
    • Takemori TakayamaChigo OkayamaMasayuki OhishiTakeyo Terao
    • C21D9/00
    • C21D1/62B62D55/21C21D1/42C21D9/08C21D9/085C21D9/14C21D2221/10Y02P10/253
    • Quenched layers are formed without irregularities on the inner circumferential surface of a track bushing having a small inside diameter or on the inner circumferential surfaces of two or more track bushings which are subjected to quenching in an overlapped condition. To introduce a cooling medium for cooling the inner circumferential surface of the track bushing, a guide tube having an outside diameter smaller than the inside diameter of the track bushing is disposed on the side of the inner circumferential surface and the cooling medium introduced by the guide tube is diverted by a diverting member having a spherical or similar curved surface, such that the cooling medium is allowed to flow in a direction substantially parallel with an axial direction of the track bushing 1 within a space defined by the outer circumferential surface of the guide tube and the inner circumferential surface of the track bushing, thereby performing laminar flow cooling.
    • 淬火层在具有小内径的轨道衬套的内周面上或在重叠状态下被淬火的两个或更多个轨道衬套的内周面上形成有凹凸。 为了引入用于冷却轨道衬套的内周表面的冷却介质,具有小于轨道衬套的内径的外径的导向管设置在内周面和由引导件引入的冷却介质的一侧 管由具有球形或相似弯曲表面的转向构件转向,使得允许冷却介质沿着与导轨衬套1的轴向方向基本平行的方向在由引导件的外周表面限定的空间内流动 管和轨道衬套的内周面,从而进行层流冷却。
    • 5. 发明授权
    • Track bushing and method and apparatus for producing the same
    • 履带套管及其制造方法和装置
    • US07638005B2
    • 2009-12-29
    • US11367429
    • 2006-03-06
    • Takemori TakayamaChigo OkayamaMasayuki OhishiTakeyo Terao
    • Takemori TakayamaChigo OkayamaMasayuki OhishiTakeyo Terao
    • C21D1/10C21D9/08
    • B62D55/21C21D1/18C21D1/42C21D1/62C21D9/08C21D9/085C21D9/14C21D2221/10Y02P10/253
    • Quenched layers are formed without irregularities on the inner circumferential surface of a track bushing having a small inside diameter or on the inner circumferential surfaces of two or more track bushings which are subjected to quenching in an overlapped condition. To introduce a cooling medium for cooling the inner circumferential surface of the track bushing, a guide tube having an outside diameter smaller than the inside diameter of the track bushing is disposed on the side of the inner circumferential surface and the cooling medium introduced by the guide tube is diverted by a diverting member having a spherical or similar curved surface, such that the cooling medium is allowed to flow in a direction substantially parallel with an axial direction of the track bushing 1 within a space defined by the outer circumferential surface of the guide tube and the inner circumferential surface of the track bushing, thereby performing laminar flow cooling.
    • 淬火层在具有小内径的轨道衬套的内周面上或在重叠状态下被淬火的两个或更多个轨道衬套的内周面上形成有凹凸。 为了引入用于冷却轨道衬套的内周表面的冷却介质,具有小于轨道衬套的内径的外径的导向管设置在内周面和由引导件引入的冷却介质的一侧 管由具有球形或相似弯曲表面的转向构件转向,使得允许冷却介质沿着与导轨衬套1的轴向方向基本平行的方向在由引导件的外周表面限定的空间内流动 管和轨道衬套的内周面,从而进行层流冷却。