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    • 1. 发明专利
    • Ball screw driving device
    • 球螺丝驱动装置
    • JP2005326009A
    • 2005-11-24
    • JP2005138810
    • 2005-05-11
    • Ina-Schaeffler Kgアイエヌエイ−シャエフラー カーゲー
    • HARTIG GUENTEROSTERLAENGER JUERGENDIETER ADLERKRAUS MANFREDMEYER RALF
    • B62D5/04F16H25/22F16H25/24
    • B62D5/0448F16H25/2214F16H55/17Y10T74/18576Y10T74/19702Y10T74/19749Y10T74/19767Y10T74/19772
    • PROBLEM TO BE SOLVED: To provide a ball screw driving device having high reliability. SOLUTION: In this ball screw driving device of a spindle 1, a spindle nut 2 is provided with a ball channel 3 arranged along a spiral line on an inner peripheral face to delimit a load-resistant channel 6 for a ball 5 and an external deflector 7 arranged on an outer peripheral face of the spindle nut 2 and provided with a return channel 8 for the ball 5. The external deflector 7 is provided with two opening parts E1, E2 for the ball. Each of two opening parts for the ball is connected to one end of the load-resistant channel 6 to deflect the ball 5 from one end of the load-resistant channel 6 to the other end of the load-resistant channel 6. The external deflector 7 is extended over at least substantially complete one winding around a rotary shaft of the spindle nut 2 from either E1 of two opening parts for the ball to the other E2 of two opening parts for the ball. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种具有高可靠性的滚珠丝杠驱动装置。 解决方案:在主轴1的该滚珠丝杠驱动装置中,主轴螺母2设置有沿着内周面上的螺旋线布置的滚珠槽3,以限定用于球5的耐负荷通道6, 设置在主轴螺母2的外周面上的外侧偏转器7,设置有用于球5的返回通道8.外部偏转器7设置有用于球的两个开口部E1,E2。 用于球的两个开口部分中的每一个连接到耐负荷通道6的一端,以将球5从耐负荷通道6的一端偏转到耐负荷通道6的另一端。外部偏转器 7绕着主轴螺母2的旋转轴的至少基本上完整的一个绕组从用于球的两个开口部分的E1到用于球的两个开口部分的另一个E2延伸。 版权所有(C)2006,JPO&NCIPI
    • 3. 发明专利
    • Ball screw driving device
    • 球螺丝驱动装置
    • JP2005326010A
    • 2005-11-24
    • JP2005138856
    • 2005-05-11
    • Ina-Schaeffler Kgアイエヌエイ−シャエフラー カーゲー
    • HARTIG GUENTEROSTERLAENGER JUERGENDIETER ADLERKRAUS MANFREDMEYER RALFWAGNER JOERGMUENCK HORST
    • F16H25/20F16H25/22F16H25/24
    • F16H25/2214B62D5/0448F16H55/17Y10T74/18576Y10T74/19749Y10T74/19753
    • PROBLEM TO BE SOLVED: To provide a ball screw driving device having smaller dimension of the whole device in the axial direction. SOLUTION: In this ball screw driving device of a spindle 1, a spindle nut 2 is provided with a ball channel 3 arranged along a spiral line on an inner peripheral face to delimit a load-resistant channel 8 for a ball 5, external deflectors 6, 24 arranged on an outer side of the spindle nut 2 and connecting two end parts of the load-resistant channel 8 mutually to form a ring shape in order to deflect the ball 5 from either of two end parts of the load-resistant channel 8 to the other of two end parts of the load-resistant channel 8, and a driving pinion arranged on the spindle nut 2 to drive the spindle nut 2. The external deflectors 6, 24 are arranged at least substantially in a scope of length in the axial direction of the driving pinion. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种在整个装置的轴向尺寸较小的滚珠丝杠驱动装置。 解决方案:在主轴1的该滚珠丝杠驱动装置中,主轴螺母2设置有沿着内周面上的螺旋线设置的滚珠槽3,以限定用于球5的耐负荷通道8, 布置在主轴螺母2的外侧上的外部导流板6,24,并且相互连接耐负荷通道8的两个端部以形成环形,以便将球5从负载阻尼通道8的两个端部中的任一个偏转。 阻力通道8连接到耐负荷通道8的两个端部中的另一端;以及驱动小齿轮,其布置在主轴螺母2上以驱动主轴螺母2.外部偏转器6,24至少基本上布置在 驱动小齿轮的轴向长度。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • DE10324465A1
    • 2004-12-16
    • DE10324465
    • 2003-05-30
    • INA SCHAEFFLER KG
    • OSTERLAENGER JUERGENADLER DIETERKRAUS MANFRED
    • F16H25/22
    • Ball screw having a spindle nut (2) arranged on a spindle (1), together with balls (3) which are arranged in a series and are capable of rolling in a helical ball track (4), the helical ball track (4) being defined by a thread groove (5) formed on the spindle (1) and by a thread groove (6) formed on the spindle nut (2), the balls (3) arranged in a series being returned in a return duct (7) from an outlet end to an inlet end of the helical ball track (4), the divided circle end play of the series of balls being less than or equal to 0.3 millimeters or the ratio between the pitch of the helical ball track (4) and the diameter of the balls (3) ranging from 1.02 to 1.2 or the thread grooves (5, 6) of the spindle nut (2) and of the spindle (1) in each case having a gothic profile (8, 9), a pressure angle formed by the balls (3) in contact with the gothic profile (8, 9) ranging from 15 to 35 degrees.