CN107524705A - 轴承安装座和预载组件 - Google Patents
轴承安装座和预载组件 Download PDFInfo
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
- F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/545—Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/066—Ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/02—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member
- F16D11/06—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member with clutching members movable otherwise than only axially, e.g. rotatable keys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/08—Arrangements for synchronisation, also for power-operated clutches with a blocking mechanism that only releases the clutching member on synchronisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/28—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected in which the interconnecting pivots include elastic members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
- F16M11/123—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints the axis of rotation intersecting in a single point, e.g. by using gimbals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2229/00—Setting preload
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/18—Stabilised platforms, e.g. by gyroscope
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Navigation (AREA)
Abstract
一种组件包括第一结构、第一轴承组件和第二结构。第一结构具有第一预定刚度,并且第一轴承组件被安装在第一结构上。具有第二预定刚度的第二结构被安装在第一轴承组件上,由此,在第一结构和第二结构之间允许绕第一旋转轴线的相对运动。第一结构和第二结构中的至少一个当沿第一旋转轴线对之提供力时变形,并且第一结构和第二结构中的至少一个的变形在第一轴承组件上施加第一预载力。
Description
技术领域
本发明总体上涉及轴承组件,并且更具体而言,涉及轴承安装座和预载组件。
背景技术
依赖于系统部件之间的相对旋转运动的大多数机械系统包括一个或多个轴承组件。可以包括例如内圈和外圈的轴承组件在系统部件之间提供具有最小的摩擦的相对旋转运动。为了避免轴承组件中的游隙或“倾斜(slop)”,各个轴承预载组件可以利用某种弹簧或挠曲件(flexure)来预加载。
典型的预载组件包括多个部件。例如,在图5中描绘的一种特定类型的预载组件包括弹簧502、帽504和壳体506。弹簧502和轴承组件(或多个组件)508(仅描绘出一个)被设置在壳体506内。给轴承组件(或多个组件)508提供预载力的弹簧502通过帽504保持在壳体内。如可以理解的,这样的预载组件给整个机械系统增加了尺寸、重量和复杂性。随着系统变得更小和/或更加集成,这可能变得越来越成问题。
因此,需要一种不给机械系统增加尺寸、重量和/或复杂性的轴承预载组件。最值得注意的是相对小和/或集成的系统。本发明至少解决这些需求。
发明内容
提供此发明内容来描述在具体实施方式中进一步描述的简化形式的选定概念。此发明内容并不旨在识别所要求保护的主题的关键或基本特征,也不旨在被用作确定所要求保护的主题的范围时的辅助。
在一个实施例中,组件包括第一结构、第一轴承组件和第二结构。第一结构具有第一预定刚度,并且第一轴承组件被安装在第一结构上。具有第二预定刚度的第二结构被安装在第一轴承组件上,由此,在第一结构和第二结构之间允许绕第一旋转轴线的相对运动。第一结构和第二结构中的至少一个当沿第一旋转轴线对之提供力时变形,并且第一结构和第二结构中的至少一个的变形在第一轴承组件上施加第一预载力。
在另一个实施例中,组件包括第一结构、第一轴承组件、第二轴承组件和第二结构。具有第一预定刚度的第一结构包括第一轴承安装部和与第一轴承安装部隔开的第二轴承安装部。第一轴承组件被安装在第一轴承安装部上,并且第二轴承组件被安装在第二轴承安装部上。第二结构被安装在第一轴承组件和第二轴承组件上并将二者互连,由此,沿第一旋转轴线允许第一结构和第二结构之间的相对运动。第二结构具有小于第一预定刚度的第二预定刚度,以由此至少在对其提供力时变形。第二结构通过其变形在第一轴承组件和第二轴承组件上施加预载力。
在又一个实施例中,常平架安装组件包括内部平衡环、轴、第一轴承组件、第二轴承组件、第三轴承组件、第四轴承组件以及外部平衡环。具有第一预定刚度的内部平衡环包括第一轴承安装部和与第一轴承安装部隔开的第二轴承安装部。所述轴包括第一端和第二端,并且具有第二预定刚度。第一轴承组件被安装在第一轴承安装部上,第二轴承组件被安装在第二轴承安装部上,第三轴承组件至少与第一端相邻地安装在轴上,并且第四轴承组件至少与第二端相邻地安装在轴上。外部平衡环被安装在第一、第二、第三和第四轴承组件上并将上述轴承组件互连,由此,沿第一旋转轴线允许内部平衡环和外部平衡环之间的相对运动,并且由此,允许沿垂直于第一旋转轴线的第二旋转轴线的轴和外部平衡环之间的相对运动。外部平衡环具有小于第一预定刚度和第二预定刚度的第三预定刚度,以由此至少当沿第一旋转轴线和第二旋转轴线对其提供力时变形。外部平衡环通过其变形相应地在第一和第二轴承组件上施加相等大小的第一和第二预载力,并且相应地在第三和第四轴承组件上施加相等大小的第三和第四预载力。
此外,从后续的详细描述和所附权利要求,结合附图和前面的背景技术,所述轴承安装座和预载组件的其他期望的特征和特性将变得显而易见。
附图说明
下文中将结合以下附图来描述本发明,附图中,相同的附图标记表示相同的元件,并且其中:
图1描绘了结合轴承安装座和预载组件的一个实施例的结构组件的一部分的简化剖视图;
图2描绘了结合图1的轴承安装座和预载构造的装置的实际物理实现的一个实施例的透视图;
图3和图4描绘了在图1和图2中描绘的结构的一部分中实现不同刚度的两个不同的示例性机构;以及
图5描绘了已知的轴承预载组件的一个实施例的简化剖视图。
具体实施方式
下面的详细描述本质上仅仅是示例性的,并且不意在限制本发明或者本发明的应用和用途。如本文所用的,词语“示例性”是指“作为示例、实例或说明”。因此,本文描述为“示例性”的任何实施例不一定被解释为比其他实施例优选或有利。本文所描述的所有实施例都是示例性实施例,这些示例性实施例是为了使本领域技术人员能够制作或使用本发明而提供,而不是限制由权利要求所限定的本发明的范围。此外,也无意被前面的技术领域、背景技术、发明内容或下面的具体实施方式中提出的任何表达或隐含的理论约束。
首先参照图1,其描绘了结合轴承安装座和预载组件的结构组件100的一部分的简化剖视图,并且包括至少第一结构102、第一轴承组件104和第二结构106。第一结构102包括轴承安装部103。如所见,第一轴承组件104被安装在轴承安装部103上,并且第二结构106被安装在第一轴承组件104上。因此,在第一结构102和第二结构106之间允许绕第一旋转轴线108的相对运动。
如一般已知的,轴承组件104包括内圈112和外圈114。在所描绘的实施例中,内圈112接合轴承安装部103,外圈114接合第二结构106,并且轴承组件104通过合适的紧固件硬件抵靠第二结构106保持就位。尽管紧固件硬件可以变化,但在所描绘的实施例中,它包括例如螺钉之类的简单的螺纹紧固件116和垫圈118。
如图1进一步描绘的,组件100不包括常规的预载组件。替代的是,通过第二结构106来提供预加载。更具体而言,通过第二结构106的相对刚度。也就是说,第一结构102由具有第一预定刚度的材料形成,并且第二结构106由具有第二预定刚度的材料形成。在一些实施例中,第二预定刚度小于第一预定刚度,在其他实施例中,它等于第一刚度,并且在再其他的实施例中,它大于第一刚度。不管第一预定刚度和第二预定刚度的相对值如何,当沿第一旋转轴线108向第二结构106提供力时,第一结构102和第二结构106中的至少一个变形,并且该变形在第一轴承组件104上施加预载力。
将会理解的是,形成第一结构102和第二结构106的材料可以变化。此外,将会理解的是,第一刚度和第二刚度可以变化,只要当载荷被施加于第二结构106时,第二结构106相对于第一结构102变形。第一结构102和第二结构106的一些示例性材料包括当对其施加力时展现出弹性的各种金属、金属合金、塑料和复合材料。此外,将会理解的是,第二结构106可以是各种形状的。例如,它可以是许多已知的闭合形状中的任何一种,例如圆形、菱形、矩形或星形等,仅举几例,或者它可以是许多已知的开放形状中的任何一种,例如C形或L形等,仅举几例。
现在参照图2,其描绘了结合图1的轴承安装座和预载构造的装置的实际物理实现的一个实施例的透视图。所描绘的装置是常平架机构(gimbal mechanism)200,并且第一结构102被构造为内部平衡环(gimbal ring),且第二结构106被构造为外部平衡环。所描绘的常平架机构200附加地包括第二轴承组件202。第二轴承组件202被安装在第二轴承安装部203上,该第二轴承安装部203形成在内部平衡环(例如,第一结构102)上。尽管在图2中不可见,但将会理解的是,类似于第一轴承组件104,第二轴承组件202通过合适的紧固件硬件抵靠第二结构106保持就位。
第二轴承安装部203与第一轴承安装部103隔开,并且被设置在第一旋转轴线108上。外部平衡环(例如,第二结构106)也被安装在第二轴承组件202上,并且经由其变形,在第二轴承组件202上施加第二预载力。如可以理解的,由于第一轴承组件104和第二轴承组件202沿第一旋转轴线108同轴设置,因此第二预载力与第一预载力大小相等(但在方向上相反)。
如图2还描绘的,常平架机构200至少在所描绘的实施例中还附加地包括第三结构206。在所描绘的实施例中被实施为轴的第三结构206被旋转地耦接到外部平衡环(例如,第二结构106),以允许轴(例如,第三结构206)和外部平衡环106之间的绕垂直于第一旋转轴线108的第二旋转轴线208的相对旋转。
如可以理解的,轴206经由轴承组件而被旋转地耦接到外部平衡环106。特别是,经由第三轴承组件212和第四轴承组件214。第三轴承组件212被设置在轴206和外部平衡环106之间。第四轴承组件214与第三轴承组件212隔开,并且也被设置在轴206和外部平衡环106之间。外部平衡环106被构造成使得至少当沿第二旋转轴线208向它提供力时,它也变形,并且经由其变形,在第三轴承组件212和第四轴承组件214上施加预载力。更具体而言,它在第三轴承组件212上施加第三预载力,并且在第四轴承组件214上施加第四预载力。第三预载力和第四预载力大小相等,但在方向上相反。将会理解的是,在一些实施例中,第三轴承组件212和第四轴承组件214可以被允许沿第二旋转轴线滑动。在这样的实施例中,虽然在第三轴承组件212和第四轴承组件214上将不存在预载,但在第一轴承组件118和第二轴承组件202上仍将存在预载力。
从上述描述可以理解,外部平衡环(例如,第二结构106)实现至少两个功能,即:所有轴承组件104、202、212、214的沿第一旋转轴线108和第二旋转轴线208的机械支撑和预加载。外部平衡环(例如,第二结构106)可以被构造成使得沿第一轴线108和第二轴线208的刚度、并且因此预载力的大小可以相等或不相等。因此,外部平衡环(例如,第二结构106)可以被构造成具有沿例如第一旋转轴线108的第二预定刚度以及沿例如第二旋转轴线208的不等于第二预定刚度的第三预定刚度二者。
外部平衡环(例如,第二结构106)实现不同刚度的机构可以变化。例如,如图3所描绘的,外部平衡环(例如,第二结构106)的一个或多个尺寸(例如,宽度、厚度等)大小可以设定成提供第二和第三预定刚度。替代地或附加地,并且如图4所描绘,外部平衡环(例如,第二结构106)可以具有形成在其中的多个特征402,例如孔、凹口、凹陷、槽或波纹等,这些特征尺寸设定成提供第二和第三预定刚度。
在本文档中,例如第一和第二之类的关系术语可以被单独使用,以将一个实体或动作与另一个实体或动作区分,而不一定要求或暗示在这样的实体或动作之间存在任何实际的这种关系或顺序。例如“第一”、“第二”、“第三”等数字序号仅表示多个中的不同的单个,并不暗示任何顺序或序列,除非通过权利要求的语言明确地限定。
此外,根据上下文,例如“连接”或“耦接到”等在描述不同元件之间的关系中所用的措辞并不暗示在这些元件之间必须形成直接的物理连接。例如,两个元件可以通过一个或多个附加的元件物理地、电子地、逻辑地或以任何其他方式连接到彼此。
虽然已在本发明的前述详细描述中提出了至少一个示例性实施例,但应当理解存在大量的变型。还应理解的是,所述一个或多个示例性实施例仅是示例,并不意在以任何方式限制本发明的范围、适用性或构造。相反,前述详细描述将给本领域技术人员提供用于实施本发明的示例性实施例的便利路线图。要理解的是,在示例性实施例中描述的元件的功能和布置中可以作出各种改变,而不脱离如所附权利要求中阐述的本发明的范围。
Claims (8)
1.一种组件,包括:
具有第一预定刚度的第一结构;
安装在所述第一结构上的第一轴承组件;以及
安装在所述第一轴承组件上的第二结构,由此,在所述第一结构和所述第二结构之间允许绕第一旋转轴线的相对运动,所述第二结构具有第二预定刚度,
其中:
所述第一结构和所述第二结构中的至少一个当力沿所述第一旋转轴线被供应到其时变形,以及
所述第一结构和所述第二结构中的至少一个的所述变形在所述第一轴承组件上施加第一预载力。
2.如权利要求1所述的组件,还包括:
第二轴承组件,其与所述第一轴承组件隔开,并沿所述第一旋转轴线安装在所述第一结构上,
其中:
所述第二结构也被安装在所述第二轴承组件上,以及
所述第一结构和所述第二结构中的至少一个的变形在所述第二轴承组件上施加第二预载力,所述第二预载力与所述第一预载力在大小上相等。
3.如权利要求2所述的组件,还包括:
第三结构,其旋转地耦接到所述第二结构,以允许所述第二结构和外部平衡环之间的绕第二旋转轴线的相对旋转,所述第二旋转轴线垂直于所述第一旋转轴线;
设置在所述第三结构和所述第二结构之间的第三轴承组件;以及
第四轴承组件,其与所述第三轴承组件隔开,并设置在所述第三结构和所述第二结构之间,
其中:
所述第一结构和所述第二结构中的至少一个当沿所述第二旋转轴线对之提供力时变形,以及
所述第一结构和所述第二结构中的至少一个的变形在所述第三轴承组件上施加第三预载力,并且在所述第四轴承组件上施加第四预载力,所述第三预载力和所述第四预载力在大小上相等。
4.如权利要求3所述的组件,其特征在于,所述第一预载力、所述第二预载力、所述第三预载力和所述第四预载力在大小上相等。
5.如权利要求4所述的组件,其特征在于:
所述第一预载力和所述第二预载力在大小上相等;
所述第三预载力和所述第四预载力在大小上相等;以及
所述第一预载力和所述第三预载力在大小上不相等。
6.如权利要求5所述的组件,其特征在于:
所述第二预定刚度沿所述第一旋转轴线;以及
所述第二结构沿所述第二旋转轴线具有第三预定刚度,所述第三预定刚度小于所述第一预定刚度,并且不等于所述第二预定刚度。
7.如权利要求6所述的组件,其特征在于,所述第二结构的一个或多个尺寸大小设定成提供所述第二预定刚度和所述第三预定刚度。
8.如权利要求6所述的组件,其特征在于:
所述第二结构具有形成在其中的多个特征;以及
所述特征的尺寸设定成提供所述第二预定刚度和所述第三预定刚度。
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- 2017-05-31 JP JP2017107350A patent/JP6899706B2/ja active Active
- 2017-06-13 EP EP17175862.6A patent/EP3258127B1/en active Active
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DE859547C (de) * | 1945-04-27 | 1952-12-15 | Skf Svenska Kullagerfab Ab | Waelzlagereinrichtung |
FR1511079A (fr) * | 1966-12-15 | 1968-01-26 | Appareil gyroscopique | |
US3420338A (en) * | 1968-05-01 | 1969-01-07 | Webb James E | Hermetic sealed vibration damper |
US3742769A (en) * | 1971-03-25 | 1973-07-03 | Sperry Rand Corp | Gyroscope |
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EP0325073A1 (fr) * | 1987-12-23 | 1989-07-26 | Societe Europeenne De Propulsion | Dispositif de montage pour palier |
DE102007021057A1 (de) * | 2007-05-04 | 2008-11-06 | SGF SüDDEUTSCHE GELENKSCHEIBENFABRIK GMBH & CO. KG | Kardangelenk, insbesondere für Lenkspindeln von Kraftfahrzeugen |
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EP2921655A2 (en) * | 2014-03-19 | 2015-09-23 | Rolls-Royce plc | Bearing arrangement and method |
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EP3258127A1 (en) | 2017-12-20 |
JP6899706B2 (ja) | 2021-07-07 |
CN107524705B (zh) | 2020-10-16 |
US10557503B2 (en) | 2020-02-11 |
JP2017223362A (ja) | 2017-12-21 |
EP3258127B1 (en) | 2020-04-22 |
US20170363147A1 (en) | 2017-12-21 |
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