专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

41. 发明公开

EP1474616A1 DREHGLEITLAGER 有权
标题翻译：回转支承
公开(公告)号：EP1474616A1
公开(公告)日：2004-11-10
申请号：EP03739381.6
申请日：2003-01-29
申请人： Brueninghaus Hydromatik GmbH
发明人： HOPPE, Stefan
IPC分类号： F16C17/10 , F16C17/26 , F16C33/10 , F04B1/12 , F16C23/04
CPC分类号： F16C33/1065 , F04B1/2071 , F04B1/2085 , F16C17/10 , F16C23/04 , F16C2360/00
摘要： The invention relates to a rotation-slide bearing (25c) which comprises an inner first bearing element (31) with an outer peripheral surface (31a) and an outer second bearing element (32) with an inner peripheral surface (32a). The outer bearing element (32) encloses the inner bearing element (31). At least one first oil groove (38) that extends in an approximately axial relation is provided in the outer peripheral surface (31a) of the inner first bearing element (31) and/or in the inner peripheral surface (32a) of the outer second bearing element (32). In order to improve a rotation-slide bearing of the aforementioned kind in such a way that it can absorb radial and axial forces and has good slide properties, a support shoulder (42a, 42b) with a slide surface (42c) is associated with one of the two bearing elements (31) on one or both sides and axially supports the bearing element (32) with its lateral surface (32c) facing it. At least one second oil groove (32c) that extends in an approximately radial relation is disposed in the slide surface (42c) or in the lateral surface (32c) supported by it. The oil grooves (46a, 46b, 38) communicate in the zone where they face one another.

42. 发明授权

EP0793018B1 SWASH PLATE ANGLE CHANGING DEVICE FOR SWASH PLATE TYPE PISTON PUMP MOTOR 失效
标题翻译：斜向泊车DEVICE FOR A泵斜盘
公开(公告)号：EP0793018B1
公开(公告)日：2001-12-19
申请号：EP95934833.5
申请日：1995-10-18
申请人： KOMATSU LTD.
发明人： ARAI, Mitsuru , KADO, Hideki , NUNOTANI, Sadao , MORITA, Koichi , OSHIRO, Mitsuru , HAYASHI, Seita
IPC分类号： F04B1/22
CPC分类号： F04B1/2085 , Y10T74/18336
摘要： A swash plate angle changing device for swash plate type piston pump motors comprising a cylinder block provided in a casing (1) to be rotatable with a shaft, a plurality of pistons slidingly inserted into the cylinder block in parallel to the shaft, and a swash plate swingably mounted to the casing to have its surface guide the plurality of pistons in a circumferential direction and adapted to change strokes of the pistons by changing its inclination. The swash plate is formed at its rear surface with first and second abutting surfaces, which forms a predetermined angle between them, and the casing is formed with a swash plate bearing surface which is perpendicular to the shaft and with which the first and second abutting surfaces contact. The casing is provided with a swash plate angle changing piston. The swash plate is swung by a resultant force of thrusts of the pistons directed toward the swash plate to a large swash plate angle position, at which the first abutting surface contacts with the swash plate bearing surface, and by a thrust of the swash plate angle changing piston to a small swash plate angle position, at which the second abutting surface contacts with the swash plate bearing surface. The center, about which the swash plate swings, is nearer to the front surface of the swash plate than to the rear surface thereof.

43. 发明公开

EP0856105A1 AXIALKOLBENMASCHINE MIT QUERVERSTELLUNG UND DREHVERSTELLUNG DER SCHWENKWIEGE 失效
标题翻译：具有交叉调整和转动调节PAN摇篮轴向柱塞泵
公开(公告)号：EP0856105A1
公开(公告)日：1998-08-05
申请号：EP96929242.0
申请日：1996-08-12
申请人： BRUENINGHAUS HYDROMATIK GMBH
发明人： STÖLZER, Rainer
IPC分类号： F04B1 , F16C19
CPC分类号： F16C19/502 , F04B1/2085 , F04B1/324 , F16C33/306 , F16C2360/00
摘要： The invention relates to an axial piston machine of skew plate construction, the pistons (7, 8) of which are supported on a sliding surface (11) acting as a skew plate of a cradle (12) pivotable about an axis (33). The pivoting angle of the cradle (12) can be adjusted by means of an adjusting device coupled to the cradle (12) via a connecting device (20). According to the invention, the connecting device (20) permits both coupling to a transverse adjuster (30) exerting a translation movement and to a rotating adjuster exerting a rotary movement. To this end, the connecting device (20) has a block (34) located eccentrically in relati on to the axis (33) which works together with a sliding element (32) for the transmission of the translation movement and with an eccentric component secured to a rotary shaft (50) for the transmission of the rotary movement.

44. 发明授权

EP0649974B1 Follow up mechanism for a swashplate bearing 失效
标题翻译： NachführeinrichtungfüreineSchrägscheibenlagerung
公开(公告)号：EP0649974B1
公开(公告)日：1998-06-03
申请号：EP94115274.6
申请日：1994-09-28
申请人： CATERPILLAR INC.
发明人： Fritz, Wayne E. , Watts, Thomas A.
IPC分类号： F01B3/10 , F01B3/00 , F04B1/20
CPC分类号： F16C19/502 , F01B3/0073 , F01B3/106 , F04B1/2085 , F16C33/306 , F16C33/46 , F16C2360/00

45. 发明公开

EP0793018A1 SWASH PLATE ANGLE CHANGING DEVICE FOR SWASH PLATE TYPE PISTON PUMP MOTOR 失效
标题翻译： NEIGUNGSWINKELSTELLVORRICHTUNGFÜREINE TAUMELSCHEIBENPUMPE
公开(公告)号：EP0793018A1
公开(公告)日：1997-09-03
申请号：EP95934833.5
申请日：1995-10-18
申请人： KOMATSU LTD.
发明人： ARAI, Mitsuru , KADO, Hideki , NUNOTANI, Sadao , MORITA, Koichi , OSHIRO, Mitsuru , HAYASHI, Seita
IPC分类号： F04B1/22
CPC分类号： F04B1/2085 , Y10T74/18336
摘要： A swash plate angle changing device for swash plate type piston pump motors comprising a cylinder block provided in a casing (1) to be rotatable with a shaft, a plurality of pistons slidingly inserted into the cylinder block in parallel to the shaft, and a swash plate swingably mounted to the casing to have its surface guide the plurality of pistons in a circumferential direction and adapted to change strokes of the pistons by changing its inclination. The swash plate is formed at its rear surface with first and second abutting surfaces, which forms a predetermined angle between them, and the casing is formed with a swash plate bearing surface which is perpendicular to the shaft and with which the first and second abutting surfaces contact. The casing is provided with a swash plate angle changing piston. The swash plate is swung by a resultant force of thrusts of the pistons directed toward the swash plate to a large swash plate angle position, at which the first abutting surface contacts with the swash plate bearing surface, and by a thrust of the swash plate angle changing piston to a small swash plate angle position, at which the second abutting surface contacts with the swash plate bearing surface. The center, about which the swash plate swings, is nearer to the front surface of the swash plate than to the rear surface thereof.
摘要翻译：一种用于旋转斜盘式活塞泵电动机的斜盘角度改变装置，包括设置在可与轴一起旋转的壳体（1）中的气缸体，与轴平行滑动地插入气缸体中的多个活塞和斜盘板可摆动地安装到壳体上以使其表面在圆周方向上引导多个活塞，并且适于通过改变其倾角来改变活塞的冲程。斜板在其后表面上形成有第一和第二邻接表面，它们在它们之间形成预定的角度，并且壳体形成有与轴垂直的斜盘支承表面，第一和第二邻接表面联系。壳体设有斜盘角度更换活塞。旋转斜盘由朝向斜盘的活塞的推力的合力摆动到第一邻接表面与斜盘支承表面接触的大的斜盘角度位置，并且通过旋转斜盘角度的推力将活塞改变成小的斜盘角度位置，在该位置处第二邻接表面与斜盘支承表面接触。旋转斜盘摆动的中心比旋转斜盘的后表面更靠近斜盘的前表面。

46. 发明授权

EP0597090B1 SWASH PLATE PISTON PUMP/MOTOR 失效
标题翻译： WRONG DISC叶片泵或马达
公开(公告)号：EP0597090B1
公开(公告)日：1996-05-01
申请号：EP91900353.3
申请日：1990-11-21
申请人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO
发明人： ARAI, Mitsuru/ Kawasaki Factory/ Kabushiki Kaisha
IPC分类号： F04B1/20
CPC分类号： F04B1/2085 , H05K3/301
摘要： A swash plate piston pump/motor simple in structure, small in size, and ensuring rotation-in-tilt of the swash plate, wherein a swash plate receiving surface (7a) formed in a housing (1) is tilted at a given degree of angle with respect to the axis (2a) of a rotary shaft (2) and the distance from the axis of the rotary shaft (2) to the center (12a) of a ball (12) serving as the center of swing of the swash plate is reduced even when an angle of inclination of the swash plate (7) is made large.

47. 发明公开

EP0705380A1 AXIAL PISTON MACHINE, IN PARTICULAR AN AXIAL PISTON PUMP OR AN AXIAL PISTON MOTOR 失效
标题翻译：轴向活塞，特别是对于一个轴向活塞泵的轴向活塞OR
公开(公告)号：EP0705380A1
公开(公告)日：1996-04-10
申请号：EP93917765.0
申请日：1993-08-06
申请人： Hydrowatt Systems Limited
发明人： FREY, Bernhard
IPC分类号： F01B3 , F02B75 , F04B1
CPC分类号： F01B3/02 , F01B3/0002 , F02B75/26 , F04B1/2085
摘要： An axial piston machine of the axial piston pump or motor type, having a first subassembly (1), including a plurality of circumferentially spaced cylinder-piston units (2) around a central axis (3), a second subassembly (29) rotatable in relation to the first subassembly in a force-transmitting manner with the cylinder-piston units in a coupling plane (30) at a predetermined angle to the central axis, wherein one of these subassemblies is rotatably arranged within a housing (10) and coupled with rotational drive means, with the driving subassembly including two spaced first bearings (33, 34) that act at least substantially in a radial direction and a swivel-joint type second bearing (35) having a pivot center (36) located at about the mid point of the center-to-center distance between the two first bearings, with this type of construction being applicable to swash-plate, skew-plate and skew-drum type machines.

48. 发明公开

EP0608144A2 Axial piston pump 失效
标题翻译：轴向柱塞泵
公开(公告)号：EP0608144A2
公开(公告)日：1994-07-27
申请号：EP94300461.4
申请日：1994-01-21
申请人： David Brown Hydraulics Limited
发明人： Du, Chang Chun
IPC分类号： F04B1/20
CPC分类号： F04B1/2028 , F04B1/2007 , F04B1/2085
摘要： s7 An axial piston pump comprises a drive shaft (2), a cylinder block (4) rotatable with the drive shaft (2), a plurality of pistons (6a-6i) provided within the cylinder block (4), a swashplate (12) situated at one axial end of the cylinder block (4) for causing reciprocation of the pistons (6a-6i) when the said cylinder block (4) is rotated, and a valve plate (26) situated at a second axial end of the cylinder block (4) ; wherein either one of the cylinder block (4) or valve plate (26) is urged against the other to form a hydrostatic seal between the cylinder block (4) and a face (52) of the said valve plate (26). The pump may be characterised by one or both of the following features :-A spiral groove bearing (50) is provided between the valve plate (26) and the cylinder block (4).
The valve plate (26) is urged against the cylinder block (4) by means of a second piston (60) which has an arcuate load face.
Additionally, an axial piston pump comprises a drive shaft (2), a cylinder block (4) rotatable with the drive shaft (2), a plurality of pistons (6a-6i) provided within the cylinder block (4), a swashplate (12) situated at one axial end of the cylinder block (4) for causing reciprocation of the pistons (6a-6i) when the cylinder block (4) is rotated ; the said swashplate (12) being provided with a curved back, the curved back being seated within a curved recess in a swashplate cradle (14), a hydrostatic bearing (70, 72) being formed between the said curved back of the swashplate (12) and the curved recess of the swashplate cradle (14), and the said swashplate (12) being capable of swivelling within the said recess ; wherein high pressure oil is supplied to the said hydrostatic bearing (70,72) via a passage provided in at least one of the said pistons and via a hole (80) provided in the body of the said swashplate (12).
摘要翻译： s7轴向活塞泵包括驱动轴（2），与驱动轴（2）一起旋转的缸体（4），设置在缸体（4）内的多个活塞（6a-6i），斜盘）位于气缸体（4）的一个轴向端部，用于当所述气缸体（4）旋转时使活塞（6a-6i）往复运动，以及位于所述气缸体（4）的第二轴向端部处的阀板（26）气缸体（4）; 其中气缸体（4）或阀板（26）中的任一个被推靠在另一个上以在气缸体（4）和所述阀板（26）的面（52）之间形成流体静力学密封。该泵的特征可以在于一个或两个以下特征： - 在阀板（26）和气缸体（4）之间设置有螺旋槽轴承（50）。借助于具有弧形负载面的第二活塞（60）将阀板（26）推靠在气缸体（4）上。此外，轴向活塞泵包括驱动轴（2），可与驱动轴（2）一起旋转的缸体（4），设置在缸体（4）内的多个活塞（6a-6i），斜盘位于缸体（4）的一个轴向端部，用于在缸体（4）旋转时使活塞（6a-6i）往复运动; 所述斜盘（12）设有弯曲的背部，所述弧形背部位于斜盘托架（14）中的弯曲凹槽内，在所述斜盘（12）的所述弯曲背部之间形成流体静力轴承（70,72））和所述斜盘摇架（14）的弯曲凹部，并且所述斜盘（12）能够在所述凹部内旋转; 其中高压油经由设置在所述活塞中的至少一个活塞中的通道和经由设置在所述斜盘（12）的主体中的孔（80）供应到所述流体静力轴承（70,72）。

49. 发明公开

EP0409084A2 Bent axis type variable displacement hydraulic machine 失效
标题翻译： Schrägwellen-Hydraulikmaschine mitVeränderlicherVerdrängung。
公开(公告)号：EP0409084A2
公开(公告)日：1991-01-23
申请号：EP90113359.5
申请日：1990-07-12
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
发明人： Akasaka, Yoshimichi , Nakamura, Ichiro , Gotoh, Yasuharu
IPC分类号： F04B1/20 , F01B3/00 , F04B1/24 , F01B3/02
CPC分类号： F04B1/2085 , F01B3/0032 , F01B3/02 , F16C2360/00
摘要： A bent axis type variable displacement hydraulic machine employing hydrostatic radial bearings (20;31;47) for supporting hydraulic reaction forces exerted on the cylinder block 8. In a hydraulic machine (8) of this sort, the number of pistons which (10) are located in the high pressure are varies with the rotation of the cylinder block (8), and the resultant force of hydraulic reaction forces has an acting point at a position off the axis of the rotational shaft (5;45). Therefore, the hydrostatic radial bearings (20;31;47) are located in such positions as to balance the moment loads which occur about the rotational shaft (5;45) in relation with the acting point of the resultant force of radial hydraulic reaction forces on the drive disc (6;46) of the rotational shaft (5;45). As a result, it becomes possible to lead to suppression of oil leaks from the sliding surfaces (12) to a minimal rate and to prevent abnormal abrasive wear of each of the sliding surfaces (12).
摘要翻译：一种用于支撑施加在气缸体8上的液压反作用力的静压径向轴承（20; 31; 47）的弯轴式可变排量液压机。在这种液压机（8）中，（10）高压的位置随着气缸体（8）的旋转而变化，并且液压反作用力的合力在离开旋转轴（5; 45）的轴线的位置处具有作用点。因此，静压径向轴承（20; 31; 47）位于这样的位置，以平衡与旋转轴（5; 45）相对于径向液压反作用力的合力作用点发生的力矩载荷在旋转轴（5; 45）的驱动盘（6; 46）上。结果，可以将滑动面（12）的油泄漏抑制到最小的速度，并且能够防止各滑动面（12）的异常磨损。

50. 发明公开

EP0398146A1 Hydraulische Axialkolbenmaschine in Schiefscheibenbauart mit einer Nachführeinrichtung für den Käfig des Segmentwälzlagers der Schiefscheibe 失效
标题翻译：旋转斜盘型包括一个跟踪装置的滚动轴承段的保持架的液压轴向活塞机，所述旋转斜盘。
公开(公告)号：EP0398146A1
公开(公告)日：1990-11-22
申请号：EP90108745.2
申请日：1990-05-09
申请人： Hydromatik GmbH
发明人： Schniederjan, Reinhold
IPC分类号： F04B1/20
CPC分类号： F16C19/502 , F04B1/2085 , F16C33/306 , F16C2360/00 , Y10T74/18336
摘要： Eine hydraulische Axialkolbenmaschine (1) in Schiefscheibenbauart, deren Schiefscheibe (9) an einer in einem Segmentwälzlager (24) schwenkbar gelagerten Wiege (5) angeordnet ist, mit einer Nachführeinrichtung (21) für den Käfig (19) des Schwenklagers (24), die ein stangenförmiges Führungselement (22) aufweist, das in einem ersten Lager (25) in der Wiege (5) parallel zur Schwenkebene schwenkbar mit der Wiege (5) verbunden ist, in einem zweiten Lager (26) parallel zur Schwenkebene schwenkbar und in seiner Längsrichtung verschiebbar mit dem Käfig (19) verbunden ist und in einem dritten Lager (27) in der Schwenkebene schwenkbar gelagert ist, ist so auszugestalten, daß eine Nachführung des Käfigs (19) ohne eine Lagerung des Führungselements (22) am Gehäuse möglich ist. Dies wird dadurch erreicht, daß die Wiege (5) durch ein quer zur Mittelachse (3) der Axialkolbenmaschine (1) verschiebbar gelagertes Stellglied (17) verstellbar ist, und das dritte Lager (25) an einem Führungsteil (33) angeordnet ist, das beweglich mit dem Stellglied (17) und der Wiege (5) verbunden ist.
摘要翻译：与旋转斜盘型的轴向活塞（1）的液压机中，斜盘（9），其中被布置在支架（5）可摆动地安装在节段性滚动轴承（24），具有一个后续装置（21 ）为所述旋转轴承（24），其装置具有连接到所述支架（5）面在寻求一种方式的杆形的导向元件（22）所有的笼（19）也可以平行旋转到所述旋转在在支架中的第一轴承（25）（5）在寻求一种方式做了它可以在平行的第二轴承（26）被旋转到所述旋转平面，并且可以在其纵向上移动连接到所述保持架（19）方向，并且被安装在一个第三轴承（27）面在寻求一种方式做了它可以在旋转被旋转，是在寻求一种方式没有后续的笼（19）的调整来设计是可能的，而不支撑所述引导壳体上元件（22）。这是通过取得factthat托架（5）可通过致动器（17）来调节安装在寻求一种方法做到了可横向移位到机器（1）的具有轴向活塞的中心线（3），并没有第三轴承（25）被布置在引导部分（33），所有这些可移动地连接到所述致动器（17）和托架（5）。 ... ...

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