专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2017089798A 転がり軸受审中-公开
公开(公告)号：JP2017089798A
公开(公告)日：2017-05-25
申请号：JP2015222177
申请日：2015-11-12
申请人： Ntn株式会社 , Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA , TOHO SHOTA
IPC分类号： F16C33/66 , F16C19/36 , F16C19/52 , F16C33/76 , F16C33/78 , F16C35/06 , F16C41/00 , F16N29/04 , F16N31/00
摘要：【課題】転がり軸受から発生する摩耗粉(鉄粉等)等の異物が外部へ流出しないよう、より確実に捕捉する。【解決手段】外輪1及び内輪2と、転動体3と、軸受空間の外側に位置し潤滑油によって部材同士の可動部が潤滑される作動機構部30と、外輪1若しくは外輪1に固定された部材、又は、内輪2若しくは内輪2に固定された部材の一方に取り付けられ、軸受空間内から作動機構部30へ通じる潤滑油通路を覆うシール部材40と、シール部材40に設けられ軸受空間内から作動機構部30へと流出する潤滑油に含まれる異物を捕捉するフィルタ部46,47と、前記シール部材に設けられ対の電極間への金属からなる異物の付着を電気的に検出するセンサ装置と、シール部材40と外輪1若しくはハウジング11との間に設けられ互いの相対回転を規制する回り止め手段と、を備える転がり軸受ユニットとした。【選択図】図1

2. 发明专利

JP2017089797A 転がり軸受审中-公开
公开(公告)号：JP2017089797A
公开(公告)日：2017-05-25
申请号：JP2015222176
申请日：2015-11-12
申请人： Ntn株式会社 , Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA , TOHO SHOTA
IPC分类号： F16C33/76 , F16C33/66 , F16C33/82 , F16N29/00
摘要：【課題】転がり軸受から発生する摩耗粉(鉄粉等)等の異物が外部へ流出しないよう、より確実に捕捉する。【解決手段】外輪1及び内輪2と、転動体3と、軸受空間の外側に位置し潤滑油によって部材同士の可動部が潤滑される作動機構部30と、外輪1若しくは外輪1に固定された部材、又は、内輪2若しくは内輪2に固定された部材の一方に取り付けられ、軸受空間内から作動機構部30へ通じる潤滑油通路を覆うシール部材40と、シール部材40に設けられ軸受空間内から作動機構部30へと流出する潤滑油に含まれる異物を捕捉するフィルタ部46,47とを備える転がり軸受ユニットとした。【選択図】図1

3. 发明专利

JP2012203670A Roller bearing for construction machine and quality control method thereof 审中-公开
标题翻译：建筑机械滚动轴承及其质量控制方法
公开(公告)号：JP2012203670A
公开(公告)日：2012-10-22
申请号：JP2011067973
申请日：2011-03-25
申请人： Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA , ITO TAKASHI
IPC分类号： G05B19/418 , F16C19/36 , F16C41/00 , G06Q50/04
CPC分类号： F16C41/008 , F16C19/364 , F16C19/548 , F16C33/586 , Y02P90/10 , Y02P90/22
摘要： PROBLEM TO BE SOLVED: To provide a quality control method of a roller bearing 1 for a large-sized construction machine such as a dump truck, which allows for easy management of the detailed history information starting from a material purchasing S1 to an inspection content S5 after completion of the roller bearing 1 with one-to-one relationship between the roller bearing 1 and a part 2.SOLUTION: Information of each step S1 to S5 is recorded on an IC tag 4 together with the lot number of the step. After each of component parts 2 (an inner ring 2a, an outer ring 2b, and a rolling element 2c) is assembled into a roller bearing 1, recorded information of the IC tag 4 for each of the component parts 2 is stored in a management computer system 20, corresponding to a production serial number or a production lot number. On the other hand, the production serial number or the production lot number is recorded on another IC tag 10 attached to the roller bearing 1 (for example, the inner ring 2a). For any time after shipment, the recorded information of the component part 2 read from the computer system 20 through the recorded information such as the production serial number of the IC tag 10 is used for repair or the like.
摘要翻译：要解决的问题：提供一种用于诸如自卸车等大型建筑机械的滚子轴承1的质量控制方法，其允许从材料购买S1开始到简单管理从零开始的详细历史信息在滚子轴承1与部件2之间以一对一的关系完成滚子轴承1之后的检查内容S5。解决方案：每个步骤S1至S5的信息与批次一起记录在IC标签4上步数在各部件2（内圈2a，外圈2b和滚动体2c）组装成滚柱轴承1后，将每个组成部件2的IC标签4的记录信息存储在管理计算机系统20，对应于生产序列号或生产批号。另一方面，生产序列号或生产批号记录在安装在滚子轴承1（例如，内圈2a）上的另一个IC标签10上。在装运后的任何时间，通过诸如IC标签10的生产序列号的记录信息从计算机系统20读取的部件部分2的记录信息被用于修理等。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2005163997A Cylindrical roller bearing 有权
标题翻译：圆柱滚子轴承
公开(公告)号：JP2005163997A
公开(公告)日：2005-06-23
申请号：JP2003407416
申请日：2003-12-05
申请人： Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA , MIZUTANI MAMORU
IPC分类号： F16C33/49 , F16C19/24 , F16C19/28 , F16C33/46 , F16C33/66
CPC分类号： F16C33/485 , F16C33/498
摘要： PROBLEM TO BE SOLVED: To provide a cylindrical roller bearing provided with a so-called comb-shaped synthetic resin retainer for improving lubrication performance by securing an appropriate oil film for a time as long as possible between a tip end of a column part and a rolling surface of a cylindrical roller while preventing elastic deformation of the column part at a high speed rotation, and abnormal contact between the tip end of the column part and the rolling surface of the cylindrical roller caused by the elastic deformation.
SOLUTION: A circumferential direction side surface 4b1 of the column part 4b of the retainer 4 includes a circular surface 4b11 along the rolling surface of the cylindrical roller 3. A relief part 4b12 with respect to contact with the cylindrical roller 3 when the column part 4 is elastically deformed by centrifugal force, is formed on an inner circumferential part on a tip end side of the side surface 4b1. A first lubricant sump part is provided on the relief part 4b12. A second lubricant sump part 4b22 is provided in a spaced position on an outer circumferential side of the relief part 4b12. The first lubricant sump part 4b12 is formed on an inner circumferential side of a pocket PCD passing through a pocket center O of a pocket 4c, and the second lubricant sump part 4b22 is formed on an outer circumferential side of the pocket PCD.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种设置有所谓的梳形合成树脂保持器的圆柱滚子轴承，用于通过在柱的顶端之间尽可能长的时间固定适当的油膜来提高润滑性能，部分和滚动表面，同时防止柱部件在高速旋转时的弹性变形，以及由弹性变形引起的柱部分的顶端与圆柱滚子的滚动表面之间的异常接触。解决方案：保持器4的柱部分4b的圆周方向侧表面4b1包括沿圆柱滚子3的滚动表面的圆形表面4b11。当圆柱滚子3的圆周方向侧面4b1与圆柱滚子3接触时，柱部4通过离心力弹性变形，形成在侧面4b1的前端侧的内周部。第一润滑剂油槽部分设置在浮雕部分4b12上。在浮雕部4b12的外周侧的间隔位置设置有第二润滑油槽部4b22。第一润滑剂油槽部4b12形成在通过袋4c的袋中心O的袋PCD的内周侧，第二润滑油槽部4b22形成在袋PCD的外周侧。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2005084962A Machine element component with ic tag 审中-公开
标题翻译：机械元件与IC标签
公开(公告)号：JP2005084962A
公开(公告)日：2005-03-31
申请号：JP2003316288
申请日：2003-09-09
申请人： Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA , HORIUCHI TAKESHI , FUJIMOTO KOSHIRO , SHIBUYA YOSHIHISA , MURAMATSU MAKOTO
IPC分类号： G05B19/418 , F16C33/46 , F16C33/78 , F16C33/80 , F16C41/00 , G05B19/12 , G06K19/00
CPC分类号： F16C41/008 , F16C19/26 , F16C19/52 , F16C33/4623 , F16C33/78 , G05B19/12 , G06Q10/087 , Y02P90/10
摘要： PROBLEM TO BE SOLVED: To provide machine element components with IC tags that can be attached to components, without difficulties, while increasing the storage capacity of IC tags, the information of which can be easily read and written. SOLUTION: A plurality of IC tags 2 are attached to a machine element component, such as a rolling bearing 1, or assigned into the machine element component and its accessory and attached to them. Different pieces of information are stored into the plurality of IC tags 2. When the machine element component is the rolling bearing 1 with a retainer, the retainer 5 is attached with the plurality of IC tags 2, at a position having point symmetry about a rotation center O. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了向机器元件组件提供可以轻松连接到组件的IC标签，同时增加IC标签的存储容量，可以容易地读取和写入信息。解决方案：将多个IC标签2安装到诸如滚动轴承1的机器元件部件上，或者分配到机器部件及其附件中并附接到它们。不同的信息被存储到多个IC标签2中。当机器元件部件是具有保持器的滚动轴承1时，保持器5与多个IC标签2连接在具有关于旋转的点对称的位置中心O.版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2012211690A Roller bearing 有权
标题翻译：滚子轴承
公开(公告)号：JP2012211690A
公开(公告)日：2012-11-01
申请号：JP2012064675
申请日：2012-03-22
申请人： Ntn Corp , Ntn株式会社
发明人： SONE KATSUNORI , YAMAMOTO NAOTA , YAMAUCHI KIYOSHIGE , MIYAZAKI HIROYUKI , ITO TAKASHI
IPC分类号： F16C33/78 , F16C19/36 , F16C33/58 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To ensure that a function for capturing foreign matter can be carried out even if a seal ring thermally expands.SOLUTION: In this roller bearing with a filter, a rolling element 13 is incorporated between an outer bearing ring 11 and an inner bearing ring 12; a seal ring 20 covers the opening of at least one end of the bearing space; and a filter 23 covering an oil hole 22 formed in the seal ring 20 captures foreign matter included in lubrication oil. The seal ring 20 is formed from resin, and the filter 23 and the seal ring 20 are integrated through insert molding. The filter 23 and the seal ring 20 are formed from the same material. A locking part 21 provided on the inner radial side of the seal ring 20 enters a recess provided on the inner bearing ring 12 such that, during thermal expansion thereof, the locking part is locked so as to enable movement of the seal ring in the radial direction with respect to the inner bearing ring 12.
摘要翻译：要解决的问题：为了确保即使密封环热膨胀也可以执行用于捕获异物的功能。解决方案：在带有过滤器的滚柱轴承中，滚动体13结合在外轴承环11和内轴承圈12之间; 密封环20覆盖轴承空间的至少一个端部的开口; 并且覆盖形成在密封环20中的油孔22的过滤器23捕获包含在润滑油中的异物。密封环20由树脂形成，并且过滤器23和密封环20通过嵌件成型一体化。过滤器23和密封环20由相同的材料形成。设置在密封环20的内径侧的锁定部21进入设置在内轴承环12上的凹部，使得在其热膨胀期间，锁定部被锁定，以便能够使密封环在径向方向相对于内轴承圈12.版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012102796A Comb-shaped resin retainer and roller bearing 有权
标题翻译：组合型树脂保持器和滚子轴承
公开(公告)号：JP2012102796A
公开(公告)日：2012-05-31
申请号：JP2010251418
申请日：2010-11-10
申请人： Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA
IPC分类号： F16C33/49 , F16C19/28
CPC分类号： F16C33/498 , F16C19/28 , F16C23/086 , F16C33/4676
摘要： PROBLEM TO BE SOLVED: To provide a comb-shaped resin retainer and a roller bearing that are configured such that the amount of movement of the rollers is stable, the wear of the retainer is reduced, the manufacturing cost is reduced, and the width of the pockets can be accurately managed.SOLUTION: A comb-shaped resin retainer 1 includes: an annular section 2; and a plurality of column sections 3 which protrude to one side in the axial direction from one side surface of the annular section 2. The gaps between the column sections 3, 3 adjacent to each other in the circumferential direction serve as pockets Pt for retaining cylindrical rollers 4, and side surfaces 5 which are the inner surfaces of the pockets Pt of the column sections 3, are formed in a concave shape. Each of the column sections 3 is tilted so as to become closer to the shaft center of the retainer as the column section 3 extends toward the tip thereof. Further, flat sections 5a are provided on the side surfaces 5 of the column sections 3, the side surfaces being the inner surfaces of the pockets Pt, and the flat sections 5a continue in the axial direction from the tip portions of the column sections 3 toward the base end portions thereof.
摘要翻译：要解决的问题：为了提供一种梳状树脂保持器和滚子轴承，其构造成使得辊的移动量稳定，保持器的磨损减小，制造成本降低，并且可以精确地管理口袋的宽度。梳形树脂保持器1包括：环形部分2; 以及从环状部2的一个侧面向轴向一侧突出的多个列部3。在圆周方向上彼此相邻的列部3,3之间的间隙用作用于保持圆柱形的凹坑Pt 作为柱部3的袋Pt的内表面的辊4和侧面5形成为凹状。当柱部分3朝向其顶端延伸时，每个柱部分3倾斜以变得靠近保持器的轴心。此外，在柱部3的侧面5设置有平坦部5a，作为凹部Pt的内表面的侧面，并且平坦部5a从柱部3的前端向轴向延伸，其基端部分。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2011190860A Double-row cylindrical roller bearing 审中-公开
标题翻译：双列圆柱滚子轴承
公开(公告)号：JP2011190860A
公开(公告)日：2011-09-29
申请号：JP2010057359
申请日：2010-03-15
申请人： Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA
IPC分类号： F16C33/49 , F16C19/28
摘要： PROBLEM TO BE SOLVED: To provide a double-row cylindrical roller bearing increased in rotational accuracy, durability, and service life by suppressing the lowering of the strength of the resin retainers due to wear during the operation.
SOLUTION: This double-row cylindrical roller bearing 1 includes an inner ring 2, an outer ring 3, double-rows of cylindrical rollers 4 rollingly disposed between these both rings, and a set of retainers 10, 10 each holding the cylindrical rollers 4 in each row. Each retainer 10 is a resin injection-molded part which includes an annular part 11 and a plurality of column parts 12 axially projecting from one end surface 11a of the annular part 11 and which defines pockets 13 for holding the cylindrical rollers between the column parts 12, 12 adjacent to each other in the circumferential direction. The set of retainers 10, 10 are disposed while the annular parts 11 abut on each other. At least one of the set of retainers 10, 10 has a molded recessed part 14 in the other end surface 11b of the annular part 11. The recessed part 14 includes a part of a weld part W in the radial direction, particularly an outer diameter side area.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过抑制由于操作期间的磨损而导致的树脂保持器的强度降低，提供了提高旋转精度，耐久性和使用寿命的双列圆柱滚子轴承。解决方案：该双列圆柱滚子轴承1包括内圈2，外圈3，滚动地设置在这两个环之间的双列圆柱滚子4和一组保持器10,10，每个保持器10,10保持圆柱形每排滚筒4个。每个保持器10是树脂注塑部件，其包括环形部分11和从环形部分11的一个端面11a轴向突出并且限定用于将圆柱形辊保持在柱部分12之间的凹部13的多个柱部分12 ，12在圆周方向上彼此相邻。一组保持器10,10设置在环形部件11彼此抵接的同时。一组保持器10,10中的至少一个在环形部11的另一端面11b上具有模制凹部14.凹部14包括沿径向的焊接部W的一部分，特别是外径边区。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2005140269A Cylindrical roller bearing 有权
标题翻译：圆柱滚子轴承
公开(公告)号：JP2005140269A
公开(公告)日：2005-06-02
申请号：JP2003378487
申请日：2003-11-07
申请人： Ntn Corp , Ntn株式会社
发明人： YAMAMOTO NAOTA , MIZUTANI MAMORU
IPC分类号： F16C33/49 , F16C19/28 , F16C33/58
CPC分类号： F16C33/49
摘要： PROBLEM TO BE SOLVED: To provide a cylindrical roller bearing comprising a so-called comb type cage made of synthetic resin, preventing elastic deformation of pillar parts during high speed rotation and abnormal contact between the tips of the pillar parts and the rolling contact surfaces of cylindrical rollers caused by the elastic deformation, to prevent abnormal wear of the cage, to suppress the rise of bearing temperature and to reduce non-repeatable run-out (NRRO) at the same time.
SOLUTION: In the cage 4 formed by projecting a plurality of pillar parts 4b axially from one side face of an annular part 4a, the axial length Ta of the annular part 4a is set to 30-40% of the axial length Td of the cylindrical roller 3, and the axial length Tb of the pillar part 4b is set to 65-75% of the axial length Td of the cylindrical roller 3. Further, the whole rolling contact surface area of the cylindrical roller 3 is disposed axially inside of a boundary position X between a raceway surface 2a of an outer ring 2 and a chamfer part 2b.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种圆筒滚子轴承，其包括由合成树脂制成的所谓梳型保持架，防止柱部件在高速旋转期间的弹性变形和柱部件的尖端与轧制之间的异常接触由弹性变形引起的圆柱滚子的接触面，防止保持架异常磨损，抑制轴承温度的上升，同时减少不可重复的运行（NRRO）。解决方案：在通过从环形部4a的一个侧面轴向突出多个柱部4b形成的保持架4中，环状部4a的轴向长度Ta被设定为轴向长度Td的30-40％并且柱部4b的轴向长度Tb被设定为圆柱滚子3的轴向长度Td的65-75％。此外，圆筒滚子3的整个滚动接触表面积被轴向地设置在外圈2的滚道表面2a和倒角部分2b之间的边界位置X的内部。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2012202444A Rolling bearing with filter 审中-公开
标题翻译：带过滤器的滚动轴承
公开(公告)号：JP2012202444A
公开(公告)日：2012-10-22
申请号：JP2011065546
申请日：2011-03-24
申请人： Ntn Corp , Ntn株式会社
发明人： SONE KATSUNORI , YAMAMOTO NAOTA
IPC分类号： F16C33/78 , F16C19/06 , F16C19/26 , F16C19/36
摘要： PROBLEM TO BE SOLVED: To prevent falling-off of a filter from a seal ring.SOLUTION: In the rolling bearing with a filter, a rolling element 13 is incorporated between an outer bearing ring 11 and an inner bearing ring 12, a seal ring 20 covers the opening of at least one end of the bearing space, and a filter 23 covering an oil hole 22 formed in the seal ring 20 captures foreign matter included in lubrication oil. The seal ring 20 is formed by insert molding using a core material 30 made of metal and a seal member 40 made of resin or rubber. The core material 30 is provided with an engagement part 31 that fits in the inner bearing ring 12, and a wall part 32 that extends toward the outer bearing ring 11 from the engagement part 31. The seal member 40 is provided with a lip part 41 that is in contact with the outer bearing ring 11. The oil hole 22 includes a through-hole 34 provided in the wall part 32, and a reservoir hole 44 provided in the seal member 40 so as to communicate with the through-hole 34.
摘要翻译：要解决的问题：防止过滤器从密封环脱落。解决方案：在具有过滤器的滚动轴承中，滚动元件13结合在外轴承环11和内轴承环12之间，密封环20覆盖轴承空间的至少一端的开口，覆盖形成在密封环20中的油孔22的过滤器23捕获包含在润滑油中的异物。密封环20由使用由金属制成的芯材30和由树脂或橡胶制成的密封构件40的嵌件成型形成。芯材30设置有配合在内轴承环12中的卡合部31和从卡合部31朝向外轴承环11延伸的壁部32.密封部件40设置有唇部41 与外轴承环11接触。油孔22包括设置在壁部32中的通孔34和设置在密封构件40中以与通孔34连通的储存孔44。版权所有（C）2013，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式