CN110249165B - 密封件 - Google Patents

密封件 Download PDF

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CN110249165B
CN110249165B CN201780086160.4A CN201780086160A CN110249165B CN 110249165 B CN110249165 B CN 110249165B CN 201780086160 A CN201780086160 A CN 201780086160A CN 110249165 B CN110249165 B CN 110249165B
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seal
lubricant
bearing
seal portion
edge profile
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CN110249165A (zh
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M.M.汉森
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Siemens Gamesa Renewable Energy AS
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/782Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
    • F16C33/7823Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/067Split packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/164Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3208Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3244Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3268Mounting of sealing rings
    • F16J15/3272Mounting of sealing rings the rings having a break or opening, e.g. to enable mounting on a shaft otherwise than from a shaft end
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00Application independent of particular apparatuses
    • F16C2300/10Application independent of particular apparatuses related to size
    • F16C2300/14Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/31Wind motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • F16C33/7853Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sealing Of Bearings (AREA)
  • Sealing Devices (AREA)
  • Wind Motors (AREA)

Abstract

用于轴承装置(21)的密封件(1),用于密封所述轴承装置(21)的能够相对于彼此旋转的至少两个部件(4,5)之间的内部空间,其中所述内部空间(22)包含润滑剂,其中所述密封件(1)包括密封件部(3),所述密封件部(3)被成形为用于按照指向内部空间(22)内的方向分量来输送润滑剂。

Description

密封件
技术领域
本发明涉及用于轴承装置的密封件,用于密封所述轴承装置的能够相对于彼此旋转的至少两个部件之间的内部空间,其中所述内部空间包含润滑剂。
背景技术
应避免不想要的润滑剂泄漏,例如在风力涡轮机的润滑脂润滑的轴承中会发生润滑剂泄漏,这是因为润滑剂泄漏需要频繁维护并且在维护过程期间导致功率生成损失。为了抵消这些泄漏,在轴承的固定部件和运动部件之间使用密封件。现代风力涡轮发电机的主轴承采用标准橡胶唇形密封件密封,这种密封件最初设计用于较小的和油润滑的应用。但是,已经证实了,该密封件设计不适合大尺寸润滑脂润滑的应用,因为在运行期间,风力涡轮机的轴承装置承受高的轴向和径向负载,这使得轴承经受变形,尤其是在轴承的固定部件和旋转部件之间。因此,标准橡胶唇形密封件在负载情况下不能保持轴承防泄漏。
因此,本发明的目的是提供一种用于轴承装置的改进的密封件,其最小化润滑剂的不想要的泄漏。
发明内容
根据本发明的解决方案在于,密封件包括密封件部,所述密封件部被成形为用于按照指向内部空间内的方向分量来输送润滑剂。
根据本发明的解决方案的优点在于,与密封件接触的润滑剂(例如,诸如润滑脂)从密封区域移回到轴承的内部,使得其不能从轴承溢出。
因此通过密封件防止了润滑剂的泄漏。为了按照指向内部空间内的方向分量来输送润滑剂,密封件利用轴承的两个可旋转部件之间的相对旋转运动。密封件优选地固定在旋转部件上,但也可以固定在固定部件上。而且,在其中轴承的两个部件都在移动的布置中,密封件部可以固定在任一个移动部件上。
本发明的典型实施例可以包括,所述密封件部包括具有润滑剂引导边缘轮廓的边缘,所述润滑剂引导边缘轮廓是周期性重复的图案。周期性重复的图案形成密封件部的形状,这导致润滑剂朝向轴承的内部空间移动。这种图案包括在密封件部的圆周方向上重复的某种几何形状。每个几何形状被设计用于将润滑剂移回内部空间中。沿密封件部的整个范围的几何形状的周期性重复分别确保了用于整个密封件和整个密封区域的润滑剂引导功能。
优选地,周期性重复的图案是锯齿形轮廓、或包括隔开的三角形或正弦轮廓或其叠加的图案。通过锯齿形轮廓(其是直角三角形的周期性序列),或通过使用任意形状的隔开的三角形(优选地包括直角三角形或等腰三角形),密封件的润滑剂引导功能从三角形的根据密封件的相对运动沿向前方向定向的边缘来获得。优选地,这些边缘与运动方向正交,但是被定向成使得这些边缘实现润滑剂朝向内部空间的偏转。三角形可以布置成锯齿形轮廓而在三角形之间没有间隙,或者三角形可以间隔开以使得在两个三角形之间存在间隙,在所述间隙中润滑剂不会朝向轴承的内部偏转。取决于三角形的定向,并且特别是当使用等腰或等边三角形时,沿两个圆周旋转方向或者相对于密封件部分别沿向前和向后方向都获得密封件的功能。除了三角形以外,当然,正弦轮廓或正弦轮廓和/或锯齿形轮廓的叠加和/或包括隔开的三角形的图案可用作密封件部的润滑剂引导边缘轮廓。三角形的尺寸或分别其边缘的长度、以及密封件部上的三角形的数量和/或三角形的间距的距离,可以根据轴承装置的尺寸、密封件的尺寸和/或所用润滑剂的类型来选择。
本发明的实施例可以包括,所述密封件是单件式的、或包括可彼此连接的两个或更多个区段。密封件部可以制成环形或制为条形区段,条形区段被连接到自身以形成环,或者密封件部可包括多个条形区段,这些条形区段被连接在一起形成环。包括一个或多个可连接区段的密封件部可以有利于密封件的安装,因为密封件可以一件一件地被组装。区段之间的连接可以例如使用诸如燕尾接头的形状配合连接发生。所连接的区段的润滑剂引导边缘轮廓或多个所连接的区段中的每个区段可以被设置成使得,包括一个或多个区段的密封件具有带有恒定周期性的边缘轮廓。
可以设置成使得,所述密封件包括连接到所述密封件部的密封件主体。密封件主体可用作将密封件安装在轴承装置中的接触点。因此,将密封件主体和密封件部彼此永久地固定可能是有利的。当使用分段的密封件部时,分段的密封件主体也可以被使用并且固定到分段的密封件部的每个区段。在这种情况下,密封件主体的区段也可以彼此连接,例如通过诸如燕尾接头的形状配合连接来实现。替代性地,密封件主体可以是单件式的,并且可以附接到已连接的密封件部区段的环上。
密封件主体和密封件部之间的连接可以被建立成使得,所述密封件主体胶合到所述密封件部上。胶合连接建立了密封件主体到密封件部的永久固定,并有利于整个密封件的组装。
对于包括密封件主体和密封件部的密封件来说,可以设置成使得,密封件部的边缘从密封件主体突出。密封件部的突出优选地是这样的,即,润滑剂引导边缘轮廓的结构不被密封件主体覆盖并且完全从密封件主体突出,以不妨碍润滑剂引导边缘轮廓的润滑剂引导功能并且在密封件的安装状态中允许密封件部的边缘轮廓的整个结构和润滑剂的接触。
本发明的典型实施例可包括,所述密封件主体包括弹性和可压缩的材料。为了将密封件附接到轴承,可以使用适当的固定装置(例如,诸如螺钉)将密封件主体压缩在轴承装置的两个或更多个部件之间。用于密封件主体的弹性和可压缩材料的使用使得能够通过密封件主体的压缩来固定密封件。
优选地,包括弹性和可压缩的材料的密封件主体包括橡胶、泡沫橡胶或发泡聚合物。这些材料具有弹性和可压缩性质,这是通过压缩密封件主体来固定所安装的密封件所需的。泡沫橡胶或发泡聚合物优选地具有足够小的孔隙率,以防止水从外部渗透到轴承内部。
可以设置成使得,所述密封件部包括聚合物材料,优选地包括聚四氟乙烯(PTFE)。在固定在轴承中的密封件的操作期间,密封件部与轴承的至少一部分处于滑动接触。使用诸如PTFE的材料会导致轴承和密封件部之间的低摩擦并因此减小密封件的磨损和轴承装置的散热。
根据本发明的风力涡轮机的另一实施例可以设置成使得,轴承包括根据本发明的密封件,其具有所讨论的特征中的一个或多个。因此,相应的轴承装置可以由风力涡轮机的转子和风力涡轮机的固定结构来形成,所述转子和固定结构通过轴承(例如滚动元件轴承)连接,所述轴承通过根据本发明的密封件来密封。
附图说明
从下面讨论的实施例以及基于附图,本发明的其它优点和特征将变得明显。附图示出了:
图1是根据本发明的包括密封件的风力涡轮机的轴承装置的剖视侧视图;
图2是根据本发明的密封件的实施例的俯视图;
图3至5示出了根据本发明的密封件的替代实施例的俯视图;
图6是根据本发明的密封件的实施例的剖切侧视图;
图7是根据本发明的密封件的透视图;以及
图8是根据本发明的密封件区段的俯视图。
具体实施方式
在图1中,示出了轴承装置21的剖视图,其中轴承装置21包括密封件1的实施例,所述密封件包括密封件主体2和密封件部3。轴承装置21包括通过滚柱6可旋转地安装的可旋转的外圈4和固定的内圈5。外圈4、内圈5和滚柱6围绕内部空间22,所述内部空间包含润滑剂,例如诸如润滑脂。密封件1通过密封件主体2的压缩而被固定在外圈4和板7之间。板7通过螺钉8固定到外圈4。密封件1的密封件部3包括朝向内部空间22定向的润滑剂引导边缘轮廓9。所描绘的轴承装置是旋转对称的,其中外圈4、板7、螺钉8和密封件1围绕内圈5和滚柱6旋转。密封件1的这种旋转运动、特别是由密封件部3构成的润滑剂引导边缘轮廓9的运动导致润滑脂朝向内部空间22的输送。
图2示出了密封件1的第一实施例的俯视图。密封件1包括密封件主体2和密封件部3。在该实施例中,润滑剂引导边缘轮廓9是锯齿形轮廓,其通过直角三角形15的周期性重复而形成。每个直角三角形15包括尖端角度10、向前方向11的边缘和向后方向12的边缘。向前和向后方向是指密封件1的移动方向。对于在风力涡轮机中的应用,尖端角度的优选范围是15°至45°,向前方向的边缘的尺寸范围优选地在5mm和30mm之间,并且向后方向的边缘的尺寸范围优选地在2mm和10mm之间。密封件主体2的厚度在20mm和40mm之间,并且在投影平面内延伸的高度也在20mm和40mm之间,密封件主体由弹性和可压缩的材料构成,所述材料优选地是橡胶、泡沫橡胶或发泡聚合物。密封件部由聚合物材料(优选为PTFE)构成,并且在投影平面中具有在1mm和3mm之间的厚度。用于密封件部3的PTFE的使用导致在如图1所示的布置中在轴承装置21的操作期间密封件部3和内圈5之间的低摩擦。优选地,密封件1以这样的方式安装,即密封件部3和内圈5之间没有间隙或仅有小的间隙。与所描绘的锯齿形轮廓的向前方向11的边缘接触的润滑脂或其他润滑剂朝向轴承装置21的内部空间22移位。当在操作期间不断地移动时,密封件1不断地将要从轴承泄漏的润滑脂或其他润滑剂往回朝向内部空间22输送,并因此最小化泄漏的润滑剂的量。润滑剂引导边缘轮廓9的整个锯齿形轮廓从密封件主体2突出,使得直角三角形15的向前方向的尖端不被密封件主体2覆盖。
在图3中描绘了本发明的替代实施例。密封件1包括密封件主体2和密封件部3,所述密封件部具有包括分开的三角形13的润滑剂引导边缘轮廓9。在该实施例中,润滑剂引导边缘轮廓9的三角形13由中间区段14分开。密封件部的润滑剂引导功能仅由三角形13的指向轴承的内部空间的边缘获得,而不由中间区段14获得。由于该实施例的三角形13是等腰三角形,因此密封件1的润滑剂引导功能在圆周旋转运动的两个方向上均被提供。替代性地,边缘轮廓9还可以包含其他类型的三角形或其他几何形状,其他类型的三角形或其他几何形状以具有中间区段14或者不具有中间区段的方式周期性地重复。
在图4中示出了本发明的另一实施例,其中密封件1包括密封件主体2和密封件部3,所述密封件部具有正弦的润滑剂引导边缘轮廓9。正弦边缘轮廓还允许在两个旋转方向上的润滑剂引导功能。在这种情况下,润滑剂由正弦波形的向前方向侧引导。具有三角形和正弦图案的叠加的实施例在图5中被示出。从叠加获得的图案表现出周期性重复的几何形状,其形成被规定为向前方向11的边缘的边缘,其与向后方向12的边缘不同。由于取决于所叠加的图案,通过叠加可以获得多种润滑剂引导边缘轮廓以用于在一个方向和两个方向上的润滑剂引导。在所有示出的实施例中,密封件部3的润滑剂引导边缘轮廓9从密封件主体2突出成使得,整个润滑剂引导边缘轮廓9不被密封件主体2覆盖。
在图6中,密封件部区段16被示为具有凹槽17和凹口18,其作为燕尾接头的对应部分。而且,分段的密封件主体2具有凹槽23和凹口24,用于建立形状配合连接。密封件的密封件部可以是单件式的,从而通过将凹槽17连接到同一密封件部区段的凹口18来获得环结构。替代性地,两个或更多个密封件部区段16可彼此连接以形成环,例如如在图7中被示出的。因此,每个密封件部区段的润滑剂引导边缘轮廓9被形成为使得,所连接的密封件部区段总体上呈现具有恒定周期性的边缘轮廓。在图7中,密封件主体2是单件式的并且例如通过胶合而附接到所连接的密封件部区段16。
未被安装的密封件1的剖视图在图8中被示出。由PTFE制成的密封件部3胶合到例如由泡沫橡胶制成的密封件主体2上,并且可以是单件或由单独的部件组成,这些部件例如胶合在一起或以其他方式永久地固定。密封件主体的上部20可以在任一侧上从下部19突出,并且突出的范围在2.5mm和7.5mm之间。密封件1通过上部20在例如外圈4和板7之间的压缩而安装在轴承中,例如如图1所示。由于此压缩,防止外圈4和密封件1之间的相对运动,并且密封件1固定在其安装状态。
尽管已经参考优选实施例详细描述了本发明,但是本发明不限于所公开的示例,本领域技术人员在不脱离本发明的范围的情况下能够从所公开的示例得出其他变型。

Claims (10)

1.一种用于轴承装置的密封件,用于密封所述轴承装置的能够相对于彼此旋转的至少两个部件之间的内部空间,其中所述内部空间包含润滑剂,
其特征在于,
所述密封件包括密封件部,所述密封件部被成形为用于按照指向内部空间内的方向分量来输送润滑剂,并且其中所述密封件包括连接到所述密封件部的密封件主体,并且所述密封件部的边缘从所述密封件主体突出到所述内部空间中,所述密封件部包括具有润滑剂引导边缘轮廓的边缘,所述润滑剂引导边缘轮廓是周期性重复的图案,所述密封件部的润滑剂引导边缘轮廓从所述密封件主体突出成使得,整个润滑剂引导边缘轮廓不被所述密封件主体覆盖。
2.根据权利要求1所述的密封件,其特征在于,所述周期性重复的图案是锯齿形轮廓、或包括隔开的三角形或正弦轮廓或其叠加的图案。
3.根据前述权利要求中任一项所述的密封件,其特征在于,所述密封件是单件式的、或包括可彼此连接的两个或更多个区段。
4.根据权利要求1所述的密封件,其特征在于,所述密封件主体胶合到所述密封件部上。
5.根据权利要求1或4所述的密封件,其特征在于,所述密封件主体包括弹性和可压缩的材料。
6.根据权利要求5所述的密封件,其特征在于,所述密封件主体包括橡胶或发泡聚合物。
7.根据前述权利要求中任一项所述的密封件,其特征在于,所述密封件部包括聚合物材料。
8.根据权利要求6所述的密封件,其特征在于,所述密封件主体包括泡沫橡胶。
9.根据权利要求7所述的密封件,其特征在于,所述密封件部包括PTFE。
10.一种风力涡轮机,包括至少一个转子和至少一个固定结构,其中所述转子和固定结构通过轴承连接,
其特征在于,
所述轴承包括根据前述权利要求中任一项所述的密封件。
CN201780086160.4A 2017-02-09 2017-11-10 密封件 Expired - Fee Related CN110249165B (zh)

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