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公开(公告)号：US08398525B2
公开(公告)日：2013-03-19
申请号：US12915405
申请日：2010-10-29
申请人： Tetsuya Matsuoka , Hiroyasu Nishikawa , Tooru Nishida , Hirofumi Akahori , Hideyuki Imai , Tatsuhiko Goi
发明人： Tetsuya Matsuoka , Hiroyasu Nishikawa , Tooru Nishida , Hirofumi Akahori , Hideyuki Imai , Tatsuhiko Goi
IPC分类号： F16H57/08
CPC分类号： F16H1/2836 , F02C7/36 , F05D2260/40311 , F16H57/082 , Y02T50/671
摘要： A planetary gear reduction system has a sun gear, a plurality of planet gears, a ring gear, and a planet carrier. The planet carrier has a first plate supporting one ends of planet shafts supporting the planet gears, a second plate supporting the other ends of the planet shafts, and a cylindrical drum connecting the first and second plates. The first plate has first portions supporting the one ends of the planet shafts; second portions connecting the first plate to the drum, the first and second portions being provided alternately in a circumferential direction; first cutouts each defined between the neighboring first and second portions, the first cutouts each extending radially inwardly from a circumferential edge thereof to a position adjacent a circle passing centers of the planet shafts; and second cutouts each defined radially inward of the second portion and between the neighboring two first portions, the second cutouts each extending radially inwardly from a first region outside the circle and a second region inside the circle.
摘要翻译： 行星齿轮减速系统具有太阳齿轮，多个行星齿轮，环形齿轮和行星架。 行星架具有支撑支撑行星齿轮的行星轴的一端的第一板，支撑行星轴的另一端的第二板以及连接第一和第二板的圆筒形滚筒。 第一板具有支撑行星轴的一端的第一部分; 将第一板连接到滚筒的第二部分，第一和第二部分沿圆周方向交替设置; 每个限定在相邻的第一和第二部分之间的第一切口，第一切口各自从其圆周边缘径向向内延伸到与通过行星轴的中心的圆相邻的位置; 以及第二切口，每个切口限定在所述第二部分的径向内侧和相邻的两个第一部分之间，所述第二切口各自从所述圆周外的第一区域径向向内延伸，以及在所述圆内部的第二区域。
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公开(公告)号：US08348803B2
公开(公告)日：2013-01-08
申请号：US12588291
申请日：2009-10-09
IPC分类号： F16H57/08
CPC分类号： F16H1/2827 , F16H1/2836 , F16H1/48 , F16H57/082
摘要： A planetary reduction gear apparatus has a sun gear having external teeth; planetary gears, each having external teeth and configured to be meshed with the sun gear; planetary shafts, each being a rotation shaft of the planetary gear; a ring gear having internal teeth and configured to be meshed with the planetary gears; and a planetary carrier including an annular base plate and an annular back plate. The planetary carrier supports the planetary shafts between the annular base plate and the annular back plate and determines a relative position between planetary gears. The annular base plate is integrally formed with one end of the planetary shaft to support the one end. The annular back plate supports the other end of the planetary shaft. At least one of the planetary shaft and the planetary carrier has lower stiffness in its part adjacent to the one end of the planetary shaft than stiffness of its part adjacent to the other end thereof.
摘要翻译： 行星减速装置具有外齿的太阳齿轮; 行星齿轮，每个都具有外齿并构造成与太阳齿轮啮合; 行星轴，各自为行星齿轮的旋转轴; 具有内齿并构造成与所述行星齿轮啮合的齿圈; 以及包括环形基板和环形后板的行星架。 行星架支撑在环形基板和环形后板之间的行星轴，并确定行星齿轮之间的相对位置。 环形基板与行星轴的一端一体形成，以支撑一端。 环形背板支撑行星轴的另一端。 行星轴和行星架中的至少一个在其与行星轴的一端相邻的部分中具有较低刚度，而其刚度与其另一端相邻。
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公开(公告)号：US20100261571A1
公开(公告)日：2010-10-14
申请号：US12588291
申请日：2009-10-09
CPC分类号： F16H1/2827 , F16H1/2836 , F16H1/48 , F16H57/082
摘要： This apparatus includes: a sun gear having external teeth; planetary gears, each having external teeth and configured to be meshed with the sun gear; planetary shafts, each being a rotation shaft of the planetary gear; a ring gear having internal teeth and configured to be meshed with the planetary gears; and a planetary carrier including an annular base plate and an annular back plate. The planetary carrier supports the planetary shafts between the annular base plate and the annular back plate and determines a relative position between planetary gears. The annular base plate is integrally formed with one end of the planetary shaft to support the one end. The annular back plate supports the other end of the planetary shaft. At least one of the planetary shaft and the planetary carrier has lower stiffness in its part adjacent to the one end of the planetary shaft than stiffness of its part adjacent to the other end thereof.
摘要翻译： 该装置包括：具有外齿的太阳齿轮; 行星齿轮，每个都具有外齿并构造成与太阳齿轮啮合; 行星轴，各自为行星齿轮的旋转轴; 具有内齿并构造成与所述行星齿轮啮合的齿圈; 以及包括环形基板和环形后板的行星架。 行星架支撑在环形基板和环形后板之间的行星轴，并确定行星齿轮之间的相对位置。 环形基板与行星轴的一端一体形成，以支撑一端。 环形背板支撑行星轴的另一端。 行星轴和行星架中的至少一个在其与行星轴的一端相邻的部分中具有较低刚度，而其刚度与其另一端相邻。
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公开(公告)号：US08968148B2
公开(公告)日：2015-03-03
申请号：US13989329
申请日：2011-11-15
CPC分类号： F16H1/28 , F16H1/2818 , F16H57/082
摘要： Provided is a planetary gear reducer including: a sun gear fixed concentrically to a power input shaft; a plurality of planet gears meshing with the sun gear; a ring gear meshing with the planet gears; a planet carrier configured to support a plurality of planet shafts, each of which is a rotational axis of a corresponding one of the planet gear, and to output revolution of the plurality of planet gears as first power; and a cylindrical support connected to the ring gear, non-rotatable relative to the ring gear, and configured to output rotation of the ring gear as second power. The cylindrical support includes, at one part along the direction of a central axis, a flexible structure which is curved radially inward and has a V-shaped longitudinal section. This configuration improves rigidity and prevents misalignment without increasing the weight of the gear reducer.
摘要翻译： 提供一种行星齿轮减速器，其包括：与动力输入轴同心地固定的太阳齿轮; 与太阳齿轮啮合的多个行星齿轮; 与行星齿轮啮合的齿圈; 行星架，其被配置为支撑多个行星轴，每个行星轴是行星齿轮的相应一个的旋转轴线，并且输出多个行星齿轮的转数作为第一功率; 以及连接到所述齿圈的圆柱形支撑件，其相对于所述齿圈不能旋转，并且被配置为输出所述齿圈的旋转作为第二动力。 圆柱形支撑件在沿着中心轴线的方向的一部分上包括径向向内弯曲且具有V形纵向截面的柔性结构。 这种结构提高了刚性并且防止了不对准而不增加齿轮减速器的重量。
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公开(公告)号：US20130310213A1
公开(公告)日：2013-11-21
申请号：US13989329
申请日：2011-11-15
IPC分类号： F16H1/28
CPC分类号： F16H1/28 , F16H1/2818 , F16H57/082
摘要： A planetary gear reducer (1) includes: a sun gear (5) having external teeth and fixed concentrically to a power input shaft (3); a plurality of planet gears (7) having external teeth and mashing with the sun gear (5); a ring gear (9) having internal teeth and meshing with the planet gears (7); a planet carrier (11) configured to support a plurality of planet shafts (13), each of which is a rotational axis of a corresponding one of the planet gears (7), and to output revolution of the plurality of planet gears (7) as first power; and a cylindrical support (27) connected to the ring gear (9) such that the cylindrical support (27) is non-rotatable relative to the ring gear (9), the cylindrical support (27) being configured to output rotation of the ring gear (9) as second power. The cylindrical support (27) includes, at its one part along the direction of a central axis, a flexible structure (41) which is curved radially inward and has a V-shaped longitudinal section. This configuration makes it possible to both obtain rigidity and prevent misalignment while suppressing an increase in the weight of the gear reducer.
摘要翻译： 行星齿轮减速器（1）包括：具有外齿并与动力输入轴（3）同心固定的太阳轮（5）; 多个行星齿轮（7），其具有外齿并与太阳齿轮（5）咬合; 具有内齿并与行星齿轮（7）啮合的齿圈（9）; 行星架（11），其被构造成支撑多个行星轴（13），每个所述行星轴（13）各自是所述行星齿轮（7）中的相应一个的旋转轴线，并且输出所述多个行星齿轮（7）的转动， 作为第一权力; 以及连接到所述齿圈（9）的圆柱形支撑件（27），使得所述圆柱形支撑件（27）相对于所述环形齿轮（9）不能旋转，所述圆柱形支撑件（27）构造成输出所述环的旋转 齿轮（9）作为第二功率。 圆柱形支撑件（27）在其沿中心轴线的方向的一部分上包括径向向内弯曲且具有V形纵向截面的柔性结构（41）。 通过这种结构，能够抑制齿轮减速机的重量的增加，既可以获得刚性又能够防止不对准。
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公开(公告)号：US08991557B2
公开(公告)日：2015-03-31
申请号：US13578570
申请日：2010-12-06
CPC分类号： F02C7/32 , F01D25/18 , F05D2260/4031 , F16H57/0409 , F16H57/0423 , F16H57/0495 , Y02T50/671 , Y10T74/2186
摘要： A gear train lubricating device configured to supply lubricating oil OL to a gear included in a gear train is provided. The gear train lubricating device includes: a shroud covering, among components constituting the gear, at least teeth of the gear; and a lubricating oil supply port through which the lubricating oil OL is supplied to a meshing position of the gear. The shroud has an outlet port formed therein, through which the supplied lubricating oil OL is discharged. The outlet port is formed in a portion of the shroud that is positioned radially outward from the gear, such that the outlet port is disposed at an angular position that is 90°±15° forward from the meshing position in a rotation direction R1 of the gear.
摘要翻译： 提供了一种构造成将润滑油OL供给到包括在齿轮系中的齿轮的齿轮系润滑装置。 齿轮系润滑装置包括：构成齿轮的部件中的至少齿轮的至少齿; 以及润滑油供给口，通过该润滑油供给口将润滑油OL供给到齿轮的啮合位置。 护罩具有形成在其中的出口，排出润滑油OL。 出口端口形成在护罩的从齿轮径向向外定位的部分中，使得出口端口设置在距离啮合位置处的90°±15°的角度位置处， 齿轮。
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公开(公告)号：US20130095974A1
公开(公告)日：2013-04-18
申请号：US13641006
申请日：2011-04-13
CPC分类号： F16H1/28 , B60K17/046 , B60Y2200/51 , B64C25/405 , F02C3/107 , F02C7/36 , F05D2260/40311 , F16H57/0409 , F16H57/043 , F16H57/0479 , F16H57/0486 , Y02T50/823
摘要： A planetary gear system (1) includes: a sun gear (5) having external teeth; a ring gear (9) having internal teeth; at least one planet gear (7) having external teeth meshed with the external teeth of the sun gear and the internal teeth of the ring gear. The planet gear (7) has, at its outer circumferential face, the external teeth which are formed of a pair of sets of teeth aligned in an axial direction and an annular groove (17) which is formed between the pair of sets of teeth. The planetary gear system (1) further includes: a fixed support shaft (23) provided for each of the at least one planet gear (7) and configured to rotatably support the planet gear (7) via a bearing, the bearing including a pair of rolling element rows (72) aligned in the axial direction; an oil supply path (LP) through which lubricating oil is supplied, at an inner side of the planet gear (7), to the pair of rolling element rows (72); and an oil discharge path (oil outlet 91) which extends through the planet gear (7) and through which the lubricating oil is discharged to the annular groove (17) from space between the pair of rolling element rows (72) which are provided at the inner side of the planet gear (7).
摘要翻译： 行星齿轮系（1）包括：具有外齿的太阳轮（5）; 具有内齿的齿圈（9）; 至少一个行星齿轮（7）具有与太阳齿轮的外齿啮合的外齿和齿圈的内齿。 行星齿轮（7）在其外圆周面上具有由一对沿轴向对齐的一组齿形成的外齿和形成在该组齿之间的环形槽（17）。 所述行星齿轮系统（1）还包括：为所述至少一个行星齿轮（7）中的每一个设置的并且构造成经由轴承可旋转地支撑所述行星齿轮（7）的固定支撑轴（23），所述轴承包括一对 的滚动体列（72）沿轴向排列; 在所述行星齿轮（7）的内侧供给润滑油的供油路（LP）到所述一对滚动体排（72）。 以及延伸穿过行星齿轮（7）的排油路（油出口91），润滑油从一对滚动体排（72）之间的空间排出到环形槽（17） 行星齿轮（7）的内侧。
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公开(公告)号：US08517147B2
公开(公告)日：2013-08-27
申请号：US12591890
申请日：2009-12-03
IPC分类号： F16H57/04
CPC分类号： F16H57/0493 , F16H57/0409 , F16H57/0423 , F16H57/0456
摘要： This invention provides a lubricating system for a gear train including: a lubricating oil supply port configured to supply a lubricating oil in a direction vertical to both axes of a pair of gears and toward a mesh point at which the pair of gears are meshed with each other; a shroud configured to cover at least teeth of the pair of gears so as to form a flow passage of the lubricating oil between the pair of gears and the shroud; and a pair of discharge ports respectively configured to discharge the lubricating oil from the flow passage. The pair of discharge ports are respectively positioned at two portions of the shroud respectively opposed to the mesh point across respective axes of the pair of gears.
摘要翻译： 本发明提供了一种用于齿轮系的润滑系统，包括：润滑油供给口，其构造成在与一对齿轮的两个轴线垂直的方向上朝向与所述一对齿轮啮合的啮合点的网点供给润滑油 其他; 构造成覆盖所述一对齿轮的至少齿的护罩，以在所述一对齿轮和所述护罩之间形成所述润滑油的流动通道; 以及分别构造成从流路排出润滑油的一对排出口。 一对排出口分别位于穿过该对齿轮的相应轴线的与网格相对的两个部分。
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公开(公告)号：US20100140019A1
公开(公告)日：2010-06-10
申请号：US12591890
申请日：2009-12-03
IPC分类号： F16H57/04
CPC分类号： F16H57/0493 , F16H57/0409 , F16H57/0423 , F16H57/0456
摘要： This invention provides a lubricating system for a gear train including: a lubricating oil supply port configured to supply a lubricating oil in a direction vertical to both axes of a pair of gears and toward a mesh point at which the pair of gears are meshed with each other; a shroud configured to cover at least teeth of the pair of gears so as to form a flow passage of the lubricating oil between the pair of gears and the shroud; and a pair of discharge ports respectively configured to discharge the lubricating oil from the flow passage. The pair of discharge ports are respectively positioned at two portions of the shroud respectively opposed to the mesh point across respective axes of the pair of gears.
摘要翻译： 本发明提供了一种用于齿轮系的润滑系统，包括：润滑油供给口，其构造成在与一对齿轮的两个轴线垂直的方向上朝向与所述一对齿轮啮合的啮合点的网点供给润滑油 其他; 构造成覆盖所述一对齿轮的至少齿的护罩，以在所述一对齿轮和所述护罩之间形成所述润滑油的流动通道; 以及分别构造成从流路排出润滑油的一对排出口。 一对排出口分别位于穿过该对齿轮的相应轴线的与网格相对的两个部分。
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公开(公告)号：US08777792B2
公开(公告)日：2014-07-15
申请号：US13640992
申请日：2011-04-08
IPC分类号： F16H57/04
CPC分类号： F16H57/042 , F02C7/36 , F05D2260/40311 , F05D2260/98 , F16H57/0409 , F16H57/0427 , F16H57/045 , F16H57/0479 , F16H57/0486 , F16H57/082
摘要： A planetary gear system (1) includes: a sun gear (5) having external teeth; a plurality of planet gears (7) having external teeth, each planet gear meshing with the sun gear; a ring gear (9) having internal teeth, the ring gear meshing with the planet gears; and a baffle unit (35) disposed between the planet gears which are adjacent to each other, the baffle unit having side faces (37F, 37R) positioned near the respective planet gears. The baffle unit (35) has: oil supply holes (47) which are formed in a tip portion (41) facing an outer periphery of the sun gear (5) and which jet out lubricating oil (OL) to mesh positions (43, 45) between the sun gear and the planet gears; and a collection opening (55) which is formed in at least one of the side faces and through which the lubricating oil (OL) that has been jetted out is collected into the baffle unit (35).
摘要翻译： 行星齿轮系（1）包括：具有外齿的太阳轮（5）; 具有外齿的多个行星齿轮（7），每个行星齿轮与太阳齿轮啮合; 具有内齿的齿圈（9），所述齿圈与所述行星齿轮啮合; 以及设置在彼此相邻的行星齿轮之间的挡板单元（35），所述挡板单元具有位于相应行星齿轮附近的侧面（37F，37R）。 挡板单元（35）具有：供油孔（47），其形成在与太阳齿轮（5）的外周面对置的前端部（41）中，并且将润滑油（OL）喷射到网状位置（43， 45）在太阳齿轮和行星齿轮之间; 以及形成在所述侧面中的至少一个侧面的收集开口（55），并且已经喷出的所述润滑油（OL）被收集到所述挡板单元中）。
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