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1. 发明专利

JP2010249165A Railway vehicle drive unit 审中-公开
标题翻译：铁路车辆驱动单元
公开(公告)号：JP2010249165A
公开(公告)日：2010-11-04
申请号：JP2009096453
申请日：2009-04-10
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO , ADACHI TAKAHISA , YAMADA MASAHIRO
IPC分类号： F16H1/32 , B61C9/46
摘要： PROBLEM TO BE SOLVED: To provide a reliable railway vehicle drive unit.
SOLUTION: The railway vehicle drive unit 12 is the drive unit that rotates and drives a wheel 11 of railway vehicle, and includes a reduction gear housing 13 having a locking mechanism 40 preventing relative rotation with the wheel 11 on an outside diameter surface and supported on an inside diameter surface of the wheel 11 and rotating integrally with the wheel 11, an input side rotating member 14 connected to a drive source, and a speed reduction mechanism 15 reducing the rotation of the input side rotating member 14 and transmitting it to the reduction gear housing 13.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供可靠的铁路车辆驱动单元。轨道车辆驱动单元12是使轨道车辆的车轮11旋转驱动的驱动单元，具有减速齿轮壳体13，该减速齿轮壳体13具有防止与车轮11相对旋转的锁定机构40的外径面并且支撑在车轮11的内径表面上并与车轮11一体旋转，连接到驱动源的输入侧旋转构件14和减小输入侧旋转构件14的旋转并将其传递的减速机构15 减速齿轮箱13.版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010155541A Railroad vehicle drive unit 审中-公开
标题翻译：铁路车辆驱动单元
公开(公告)号：JP2010155541A
公开(公告)日：2010-07-15
申请号：JP2008335034
申请日：2008-12-26
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO , YAMADA MASAHIRO , ADACHI TAKAHISA
IPC分类号： B61C9/46 , B61C9/38 , B61F17/22 , F16H1/32
摘要： PROBLEM TO BE SOLVED: To provide a compact and reliable railroad vehicle drive unit capable of obtaining a high reduction gear ratio, and enhancing the lubrication performance.
SOLUTION: The railroad vehicle drive unit 12 comprises a reduction gear housing 13 to be held by an inside diameter face of a wheel 11, an input side rotating member 14, a reduction gear mechanism 15, and first and second carriers 24, 25. The reduction gear mechanism 15 includes curved plates 17, 18, inner pins 19, 20, and an outer pin 21. The curved plates 17, 18 have oil passages extending in the radial direction.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够获得高减速比并且提高润滑性能的紧凑且可靠的铁路车辆驱动单元。铁路车辆驱动单元12包括由车轮11的内径面，输入侧旋转构件14，减速齿轮机构15以及第一和第二行星架24保持的减速齿轮壳体13，减速机构15包括弯曲板17,18，内销19,20和外销21.弯曲板17,18具有沿径向延伸的油路。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2005337302A Bearing device for rolling stock 有权
标题翻译：滚动轴承装置
公开(公告)号：JP2005337302A
公开(公告)日：2005-12-08
申请号：JP2004153905
申请日：2004-05-24
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , ISHIKAWA SHIRO
IPC分类号： B61F15/22 , F16C19/38 , F16C33/58 , F16C33/76 , F16C33/78
CPC分类号： B61F15/22 , F16C19/386 , F16C33/768 , F16C33/7813 , F16C35/063 , F16C2326/10
摘要： PROBLEM TO BE SOLVED: To restrain the generation of fretting abrasive dust and to prevent the generated abrasion dust from flowing out to the inside of a bearing. SOLUTION: An annular spacer 20 is disposed between the end panel of an inner ring 3 of a rolling bearing 2 mounted on an axle 1 and the end panel of a rear lid 11 (a ring member) mounted on the axle 1 for regulating the axial position of the inner ring 3 to the axle 1. The annular elastic seal material 21 is integrally fixed to the outside diameter side peripheral edge of the annular spacer 20. The elastic seal material 21 is elastically deformed and fitted to the outer periphery of a recessed stepped part 25 formed on the end panel of the rear lid 11. The elastic seal material 21 is pressed by the inner ring 3 and the opposite end panel of the rear lid 11. Storing spaces S1, S2 for abrasion dust are formed inside the elastic seal material 21. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了抑制微粉磨屑的产生，并且防止产生的磨损粉尘流出到轴承内部。解决方案：环形间隔件20设置在安装在轴1上的滚动轴承2的内圈3的端板与安装在轴1上的后盖11（环形构件）的端板之间，调节内圈3到轴1的轴向位置。环形弹性密封材料21一体地固定在环形间隔件20的外径侧周缘上。弹性密封材料21弹性变形并嵌合到外周形成在后盖11的端面板上的凹形台阶部25.弹性密封材料21被内圈3和后盖11的相对端板按压。形成用于磨损粉尘的存储空间S1，S2 弹性密封材料21内。（C）2006，JPO＆NCIPI

4. 发明专利

JP2011038575A Rolling stock driving unit 审中-公开
标题翻译：滚动驱动单元
公开(公告)号：JP2011038575A
公开(公告)日：2011-02-24
申请号：JP2009185557
申请日：2009-08-10
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO
IPC分类号： F16H1/32 , F16H57/04
摘要： PROBLEM TO BE SOLVED: To provide a rolling stock driving unit capable of efficiently supplying a lubricating oil and suppressing a rise in temperature of each component. SOLUTION: The rolling stock driving unit 12 includes a reduction gear housing 13 retained on an inner diameter surface of a wheel 11 and integrally rotated with the wheel 11, an input side rotating member 14 as an input shaft connected to a driving source, a speed reduction mechanism 15 arranged between the reduction gear housing 13 and the input side rotating member 14, and decelerating the rotation of the input side rotating member 14 and transmitting it to the reduction gear housing 13, fixing members 24, 25 arranged at positions axially opposed to the speed reduction mechanism 15 on the inner diameter side of the reduction gear housing 13, and connected and fixed to a vehicle body, and a lubricating oil jet means having lubricating oil jet ports 40a, 41a arranged at positions axially opposed to the speed reduction mechanism 15 in the fixing members 24, 25, and jetting the lubricating oil toward the speed reduction mechanism from the lubricating oil jet ports 40a, 41a. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够有效地供给润滑油并抑制各部件的温度上升的车辆用驱动单元。解决方案：车辆驱动单元12包括保持在车轮11的内径表面上并与车轮11一体旋转的减速齿轮壳体13，作为输入轴的输入侧旋转构件14连接到驱动源设置在减速齿轮箱13和输入侧旋转构件14之间的减速机构15，并且减速输入侧旋转构件14的旋转并将其传递到减速齿轮壳体13，布置在位置处的固定构件24,25 与减速机壳体13的内径侧的减速机构15轴向地相对并连接并固定在车身上，以及润滑油喷射装置，其具有设置在与轴向相对的位置的位置的润滑油喷射口40a，固定构件24,25中的减速机构15，并且从润滑油喷射口40a，41a朝向减速机构喷射润滑油。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010169247A Railroad vehicle drive unit 审中-公开
标题翻译：铁路车辆驱动单元
公开(公告)号：JP2010169247A
公开(公告)日：2010-08-05
申请号：JP2009171512
申请日：2009-07-22
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO , YAMADA MASAHIRO , ADACHI TAKAHISA
IPC分类号： F16H1/32 , B61C9/46
CPC分类号： F16H1/32 , B61C9/46 , F16H57/043 , F16H57/0482
摘要： PROBLEM TO BE SOLVED: To provide a railroad vehicle drive unit reducing a torque loss, and improving a lubricating performance.
SOLUTION: The railroad vehicle drive unit 12 is provided with a reduction gear housing 13, an input side rotating member 14, a reduction gear mechanism 15, fixation members 24, 25 which are arranged within the reduction gear housing 13 and are connected and fixed to a vehicle body, and a lubricating oil circulating mechanism which circulates in the drive unit lubricating oil. The lubricating oil circulating mechanism is provided with an axis oil path 14a which extends within the input side rotating member 14 in the axis direction, lubricating oil supply openings 14b-14e which extend from the axis oil path 14a to the outer diameter surface of the input side rotating member 14, a lubricating oil discharge opening 25c which is provided in the fixation member 25, and a circulation oil path 34 which connects the lubricating oil discharge opening 25c and the axis oil path 14a, and recirculates the lubricating oil which has been discharged from the lubricating oil discharge opening 25c, to the axis oil path 14a.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种降低扭矩损失的铁路车辆驱动单元，提高润滑性能。
解决方案：铁路车辆驱动单元12设置有减速齿轮壳体13，输入侧旋转构件14，减速齿轮机构15，固定构件24,25，其布置在减速齿轮壳体13内并被连接并固定在车体上，以及在驱动单元润滑油中循环的润滑油循环机构。润滑油循环机构具有在轴线方向上在输入侧旋转构件14内延伸的轴线油路14a，从轴线油路14a延伸到输入侧的外径面的润滑油供给口14b-14e 设置在固定构件25中的润滑油排出口25c和连接润滑油排出口25c和轴线油路14a的循环油路34，并使已经排出的润滑油再循环从润滑油排出口25c到轴线油路14a。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009216104A Railway vehicle drive unit 审中-公开
标题翻译：铁路车辆驱动单元
公开(公告)号：JP2009216104A
公开(公告)日：2009-09-24
申请号：JP2008057149
申请日：2008-03-07
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO , ADACHI TAKAHISA , YAMADA MASAHIRO
IPC分类号： B61C9/46 , B61F3/16 , F16C19/36 , F16H1/32 , F16H57/021
摘要： PROBLEM TO BE SOLVED: To provide a highly reliable railway vehicle drive unit by properly supporting a load applied from wheels. SOLUTION: A wheel drive device 10 for a railway vehicle is the drive unit that rotates and drives a wheel 11 of a railway vehicle. Specifically, the device comprises: a reduction gear housing 13, which is retained on the inside diameter surface of the wheel 11 and rotates together with the wheel 11; an input side rotating member 14, which is connected to a drive source; a speed reduction mechanism 15, which reduces the rotation of the input side rotating member 14 and transmits it to the reduction gear housing 13; a fixing member 23, which is arranged inside the reduction gear housing 13 and which is linked and fixed to the body of the vehicle; and a plurality of axle bearings, which support the reduction gear housing 13 rotatably to a carrier 23. The plurality of axle bearings are arranged at such positions that the applied maximum load surface pressure becomes approximately equal. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过适当地支撑从车轮施加的载荷来提供高可靠性的铁路车辆驱动单元。解决方案：用于铁路车辆的车轮驱动装置10是旋转并驱动铁路车辆的车轮11的驱动单元。具体地，该装置包括：减速齿轮壳体13，其保持在车轮11的内径表面上并与车轮11一起旋转; 输入侧旋转构件14，其连接到驱动源; 减速机构15，其减小输入侧旋转构件14的旋转并将其传递到减速齿轮壳体13; 固定构件23，其布置在减速齿轮壳体13的内部并且连接并固定到车辆的车身; 以及多个轴承，其将减速齿轮壳体13可旋转地支撑到托架23上。多个轴承被布置在施加的最大载荷表面压力变得近似相等的位置处。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2009192045A Wheel drive unit for railway vehicle 审中-公开
标题翻译：铁路车辆轮驱动单元
公开(公告)号：JP2009192045A
公开(公告)日：2009-08-27
申请号：JP2008035940
申请日：2008-02-18
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO , ADACHI TAKAHISA , YAMADA MASAHIRO , GOTO DAISUKE
IPC分类号： F16H1/32 , B61C9/46
CPC分类号： B61C9/46 , F16H1/32 , F16H57/0471 , F16H57/0482
摘要： PROBLEM TO BE SOLVED: To provide a wheel drive unit for a railway vehicle which reduces a torque loss and also improves lubrication property.
SOLUTION: The wheel drive unit 12 for the railway vehicle is a drive unit for rotating to drive a wheel 11 of the railway vehicle. Specifically, the wheel drive unit 12 comprises a reduction gear housing 13 held on the internal diameter surface of the wheel 11 and integrally rotated with the wheel 11, an input side rotary member 14 connected to a drive source, a reduction mechanism 15 for reducing rotation of the input side rotary member 14 to transmit it to the reduction gear housing 13, a fixing member 23 disposed inside the reduction gear housing 13 and fixed with connection to a railway vehicle main body, axle bearings 24 and 25 for supporting the reduction gear housing 13 to the fixing member 23 so as to be freely rotated, and lubricating oil circulation mechanisms 32 and 33 for circulating lubricating oil between the reduction mechanism and the axle bearings 24 and 25.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于铁路车辆的轮驱动单元，其减小扭矩损失并且还提高润滑性能。解决方案：用于铁路车辆的车轮驱动单元12是用于旋转以驱动铁路车辆的车轮11的驱动单元。具体来说，车轮驱动单元12包括保持在车轮11的内径表面上并与车轮11一体旋转的减速齿轮壳体13，连接到驱动源的输入侧旋转构件14，用于减小旋转的减速机构15 输入侧旋转构件14将其传递到减速齿轮壳体13;固定构件23，其设置在减速齿轮壳体13的内部并与铁路车辆主体连接地固定;轴承座24和25，用于支撑减速齿轮壳体 13，固定构件23自由旋转，以及润滑油循环机构32,33，用于在减速机构和车轴轴承24,25之间循环润滑油。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2011037353A Rolling stock drive unit 审中-公开
标题翻译：滚动驱动单元
公开(公告)号：JP2011037353A
公开(公告)日：2011-02-24
申请号：JP2009185558
申请日：2009-08-10
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO
IPC分类号： B61C9/46 , B61F3/16 , F16H1/32 , F16J15/32
摘要： PROBLEM TO BE SOLVED: To provide a rolling stock drive unit suppressing a temperature rise. SOLUTION: This rolling stock drive unit 12 is equipped with: a reduction gear housing 13 held by an inside diameter surface of a wheel 11 to rotate integrally with the wheel 11; an input side rotating member 14 connected to a driving source; a reduction gear mechanism 15 arranged between the reduction gear housing 13 and the input side rotating member 14 to reduce speed of rotation of the input side rotating member 14 and transmit the rotation to the reduction gear housing 13: fixing members 24 and 25 arranged on an inside diameter side of the reduction gear housing 13 to be connected and fixed to a vehicle body; and sealing members 28 and 29 having the inside diameter side region fixed to the fixing members 24 and 25 and the outside diameter side region in sliding contact with an inside diameter surface of the reduction gear housing 13, and sealing an internal space between the fixing members 24 and 25 and the reduction gear housing 13. The sealing member 29 includes a lubricating oil discharge port 38 penetrating the internal space and an external space of the drive unit and discharging lubricating oil sealed in the drive unit. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供抑制温升的机车车辆驱动单元。解决方案：该车辆驱动单元12配备有：由轮11的内径表面保持的减速齿轮壳体13，以与车轮11一体地旋转; 连接到驱动源的输入侧旋转构件14; 减速齿轮机构15，其布置在减速齿轮箱13和输入侧旋转构件14之间，以减小输入侧旋转构件14的旋转速度并将旋转传递到减速齿轮壳体13：布置在减速齿轮壳体13上的固定构件24和25 减速齿轮箱13的内径侧被连接并固定在车体上; 以及密封构件28和29，其具有固定到固定构件24和25的内径侧区域和与减速齿轮壳体13的内径表面滑动接触的外径侧区域，并且密封固定构件之间的内部空间 24和25以及减速齿轮壳体13.密封构件29包括穿过内部空间的润滑油排放口38和驱动单元的外部空间，并且排出密封在驱动单元中的润滑油。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010156406A Railway rolling stock drive unit 审中-公开
标题翻译：铁路滚动驱动单元
公开(公告)号：JP2010156406A
公开(公告)日：2010-07-15
申请号：JP2008335036
申请日：2008-12-26
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE , KATAOKA YUKIHIRO , ADACHI TAKAHISA , YAMADA MASAHIRO
IPC分类号： F16H1/32 , B61C9/46 , F16H57/04
摘要： PROBLEM TO BE SOLVED: To provide a railway rolling stock drive unit which provides a high reduction gear ratio in a small size and has improved lubrication performance and higher reliability. SOLUTION: The railway rolling stock drive unit 12 includes: a reduction gear housing 13 supported on the inner diameter surface of a wheel 11; an input-side rotating member 14; a speed reduction mechanism 15; and first and second carriers 24, 25. The speed reduction mechanism 15 includes curved plates 17, 18, inner pins 19, 20, and outer pins 21. Inner pin bearings 19e, 20e and outer pin bearings 21a are attached to at least either of the inner pins 19, 20 and the outer pins 21. The inner pin bearings 19e, 20e and outer pin bearings 21a have through-holes which penetrate in the radial direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种铁路车辆驱动单元，其提供小尺寸的高减速比，并且具有改善的润滑性能和更高的可靠性。铁路车辆驱动单元12包括：支撑在车轮11的内径表面上的减速齿轮壳体13; 输入侧旋转构件14; 减速机构15; 第一和第二托架24,25。减速机构15包括弯曲板17,18，内销19,20和外销21.内销轴承19e，20e和外销轴承21a附接到内销19,20和外销21.内销轴承19e，20e和外销轴承21a具有沿径向贯通的通孔。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2005076723A Railway axle-box bearing 审中-公开
标题翻译：铁路轴箱轴承
公开(公告)号：JP2005076723A
公开(公告)日：2005-03-24
申请号：JP2003306899
申请日：2003-08-29
申请人： Ntn Corp , Ntn株式会社
发明人： MIKI DAISUKE
IPC分类号： F16C33/80 , F16C19/38
CPC分类号： F16C33/7813 , F16C19/386 , F16C33/80 , F16C2326/10
摘要： PROBLEM TO BE SOLVED: To suppress heat generation in a bearing caused by seal without impairment of grease-sealing property in a railway axle-box bearing provided with an oil seal.
SOLUTION: The oil seal is composed of an inside cylindrical part 12 and an outside cylindrical part 14 parallel with each other, and a disc part 16 which extends to the radial direction to joint the ends of the inside and the outside cylindrical parts 12, 14 respectively. In the oil seal, seal case 10 of a nearly U-shaped cross section is attached to a rotary member by the inside cylindrical part 12, and a cylindrical part 22 placed on the side of the outside diameter of the outside cylindrical part 14 in the seal case 10, and a disc part 24 extending inside in the radial direction from the end of the cylindrical part 22 are included. A metal ring 20 of a nearly L-shaped cross-section is attached to a non-rotary member in the cylindrical part 22. A seal main-body 30 includes further a base part 32 fixed to the end of the disc part 24 of the metal ring 20, a 1st lip 34 having a plurality of annular grooves 35 on the cylindrical inside-periphery to form a labyrinth to the inside cylindrical part 12 of the seal case 10, and a 2nd lip 36 which extends radially from the base part 32 to the outside cylindrical part 14 of the seal case 10, and gently touches the outside cylindrical-part 14 of the seal case 10.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在具有油封的铁路轴瓦轴承中，抑制由密封件引起的轴承的热量产生而不损害润滑脂密封性。解决方案：油封由内圆柱形部分12和彼此平行的外圆柱形部分14组成，圆盘部分16沿径向方向延伸以接合内侧和外圆柱形部分的端部 12，14。在油封中，通过内圆柱形部分12将一个大致U形横截面的密封壳体10附接到旋转构件，并且在外侧圆柱形部分14的外径侧的圆柱形部分22中密封壳体10以及从圆筒部22的端部向径向内侧延伸的圆盘部24。在圆筒部22中的非旋转部件上安装有近似L字状的金属环20。另外，密封主体30还具有固定在盘部24的端部的基部32 金属环20，在圆筒形内周上具有多个环形槽35的第一唇缘34，以形成密封壳体10的内圆柱形部分12的迷宫，以及从基部32径向延伸的第二唇缘36 到密封箱10的外圆筒部14，并且轻轻地接触密封箱10的外圆筒部14.（C）2005，JPO＆NCIPI

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