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    • 6. 发明公开
    • THROUGH PIN ASSEMBLY FOR AN AXLE AND METHOD OF MOUNTING
    • DURCHGANGSSTIFTANORDNUNGFÜREINE ACHSE
    • EP2462357A1
    • 2012-06-13
    • EP09845634.6
    • 2009-06-04
    • Expander Americas, Inc.
    • SVENSSON, RogerCARLSSON, AndersSVENSSON, Everth
    • F16D1/097
    • F16C11/02F16C11/045F16C2226/16
    • A through pin assembly for securing an axle into a pair of mounting cheeks and to stabilize a machine member is disclosed. The pin assembly has an axle having a pair of end members formed on each end of the axle. A channel is formed through the axle and runs a length of the axle. The channel consists of a threaded area of the channel at the first end for use when removing the assembly; a hexagon, octagon or otherwise shaped area at the second end to interlock with the threaded part of the locking end member; two grooves in the channel, one at each end, as a seat for gaskets to seal off a grease or oil chamber for distribution to the bearing. A bearing is mounted on a central section of the axle. A pair of expansion sleeves is provided wherein one of the pair of expansion sleeves is positioned over each of the end member of the axle. A locking device is inserted into the channel. The locking device engages the pair of expansion sleeves causing the expansion sleeves to expand into a pair of mounting cheeks and stabilizing the machine member to secure the axle when a first end of the locking device is adjusted.
    • 公开了一种用于将轴固定成一对安装面颊并稳定机器构件的贯穿销组件。 销组件具有轴,该轴具有形成在轴的每个端部上的一对端部构件。 通道通过轴形成并且延伸一定长度的轴。 通道包括在第一端处的通道的螺纹区域,用于在拆卸组件时使用; 在第二端处的六边形,八边形或其它形状的区域与锁定端部构件的螺纹部分互锁; 通道中的两个凹槽,每端一个,作为垫圈的垫圈,用于密封油脂或油室以分配到轴承。 轴承安装在轴的中心部分。 提供一对膨胀套筒,其中一对膨胀套筒中的一个位于轴的端部构件的每一个上。 锁定装置插入通道。 锁定装置接合一对膨胀套管,使得膨胀套管膨胀成一对安装面颊,并且当调节锁定装置的第一端时使机构构件稳定以固定轴。
    • 8. 发明公开
    • Befestigung eines Pumpemlaufrades
    • Befestigung eines Pumpenlaufrades
    • EP2119918A2
    • 2009-11-18
    • EP09005617.7
    • 2009-04-22
    • WILO AG
    • Tolstoj, Aleksej
    • F04D29/20F16D1/097
    • F04D29/20F16D1/092
    • Die Erfindung betrifft die Befestigung eines Pumpenlaufrades (1) auf einer Antriebswelle (2) mit einer im Laufrad koaxial angeordneten Öffnung (5), die mit ihrer konusförmigen Innenwand (6) auf einem entsprechend geformten konusförmigen Sitz (9) der Welle befestigt ist, wobei der Durchmesser des Konus von Laufradöffnung (5) und Sitz (9) sich mit der Entfernung vom Laufrad-Saugmund (1a) vergrößert, wobei
      - das Wellenende (10) ein Außengewinde (11) aufweist, auf dem eine Mutter (13), mit ihrem Innengewinde (14) sitzt,
      - die Mutter (13) ein Außengewinde (16) aufweist, mit dem sie in einem Innengewinde (8) der Laufradöffnung (5) sitzt und
      - dass das Gewindepaar (11,14) zwischen Wellenende (10) und Mutter (13) eine größere oder kleinere Steigung aufweist als die Steigung des Gewindepaars (8,16) zwischen Mutter (13) und Laufradöffnung (5).
    • 泵叶轮(1)的夹具,其中同轴布置的孔,并且其中驱动轴具有固定在轴的相应形状的座上的锥形内壁。 轴端(10)具有外螺纹,螺母(13)与内螺纹配合在一起,螺母(13)具有外螺纹,该外螺纹与叶轮开口的内螺纹配合。 轴端(10)和螺母(13)之间的螺纹对具有比螺母和叶轮开口之间的螺纹对的间距更大或更小的间距。
    • 9. 发明公开
    • PUMP ASSEMBLY
    • EP4198319A1
    • 2023-06-21
    • EP21215471.0
    • 2021-12-17
    • Grundfos Holding A/S
    • Mikkelsen, SteenJepsen, TroelsPoulsen, Brian Lundsted
    • F04D29/044F16D1/08F16D1/097
    • The present disclosure refers to a pump assembly (1) comprising:
      - an electric drive motor (5) comprising at least a motor drive shaft (35) and a rotor (41), wherein the motor drive shaft (35) extends along a rotor axis (R) and the rotor (41) is mechanically coupled to the motor drive shaft (35); and
      - a pump housing (3) enclosing an impeller (13) that is mechanically coupled to a pump drive shaft (33), wherein the pump drive shaft (33) extends along the rotor axis (R),
      wherein the motor drive shaft (35) is releasably coupled to the pump drive shaft (33) by a drive shaft coupling (37) for transferring torque from the motor drive shaft (35) to the pump drive shaft (33),
      characterised by
      the motor drive shaft (35) being hollow from a first axial motor drive shaft end (81) to a second axial motor drive shaft end (83), wherein the pump drive shaft (33) protrudes into the hollow motor drive shaft (35) at the first axial motor drive shaft end (81), wherein the drive shaft coupling (37) is arranged at least partly within the hollow motor drive shaft (35) for transferring torque from the motor drive shaft (35) to the pump drive shaft (33) by frictional connection with a radial inner surface (89) of the hollow motor drive shaft (35) and/or a radial outer surface (93) of the pump drive shaft (33), wherein the drive shaft coupling (37) is accessible by an elongate tool through the second axial hollow motor drive shaft drive end (83) for selectively tightening and releasing the drive shaft coupling (37).