CN105782330A - 用于液压减振支承的平衡膜 - Google Patents

用于液压减振支承的平衡膜 Download PDF

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CN105782330A
CN105782330A CN201610007235.2A CN201610007235A CN105782330A CN 105782330 A CN105782330 A CN 105782330A CN 201610007235 A CN201610007235 A CN 201610007235A CN 105782330 A CN105782330 A CN 105782330A
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balance film
balance
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abrasion mechanism
supporting
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CN105782330B (zh
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W·贝克曼
G·伊尔迪里姆
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Vibracoustic SE
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Trelleborg Vibracoustic GmbH
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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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
    • F16F13/102—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of flexible walls of equilibration chambers; decoupling or self-tuning means
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
    • F16F13/268—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for acting dynamically on the walls bounding an equilibration chamber

Abstract

一种用于液压减振支承(10)尤其是可变支承的平衡膜(11)，其中所述平衡膜(11)设有用于在该支承(10)的接触面(13)上擦磨的磨损机构(12)。如此改进平衡膜(11)，在体积刚度基本不变的情况下延长所述膜的使用寿命。

Description

用于液压减振支承的平衡膜
技术领域
本发明涉及用于液压减振支承且尤其是可变支承的平衡膜。
背景技术
这种平衡膜被用在尤其用于支承机动车动力总成的液压减振支承中以减轻或消除在运行中出现的振动。在这种情况下，所述液压减振支承具有液冷式工作腔和平衡腔，它们通过减振通道相互连通。所述平衡膜界定出容积可变的平衡腔，用于尽可能无压力地容纳因机动车动力总成的相对移动而出现的流体体积。为此，该平衡膜最好能无阻碍地膨胀。
当因液压减振支承且尤其是可变液压悬架的结构而无法避免该平衡膜贴靠在周围部件尤其是罐形壳体上时，所述平衡膜可能在运行中磨损，这会导致壁厚减小直至开裂，由此导致整个支承失效。
发明内容
因此，本发明的任务在于这样改进前言所述类型的用于液压减振支承的平衡膜，在体积刚度基本不变的情况下延长所述膜的使用寿命。
为了完成所述任务，提供具有权利要求1所述特征的平衡膜。根据本发明的平衡膜的有利设计方案是从属权利要求的主题。
在根据本发明的平衡膜中，该磨损机构防止该平衡膜在运行中受损，由此延长平衡膜的使用寿命。在此，该平衡膜的体积刚度基本保持不变。
在有利的设计方案中，所述磨损机构具有从平衡膜顶面突出的相互间隔的多个瘤块。这些瘤块最好在周向上错开布置。
在另一个有利设计方案中，所述磨损机构也可具有环形加厚层。
在有利的设计方案中，所述磨损机构径向呈环形围绕中心轴线布置并被硫化固结在该平衡膜上。由于液压减振支承的不同结构类型，如此确定磨损机构相对于中心轴线的径向距离，磨损机构在运行中触碰该接触面。
本发明还包括一种液压减振支承且尤其是可变液压悬架，其具有通过弹性体的托簧相互连接的托座和支座。工作腔和由平衡膜界定的且由弹性体材料制成的平衡腔被填充有流体，通过隔板相互分隔并通过开设于该隔板中的减振通道相互连通。缓冲通道能通过控制机构来接通。根据本发明，所述平衡膜具有用于在所述支承的接触面上擦磨的磨损机构。
本发明的平衡膜造成该平衡膜具有明显延长的使用寿命。通过有针对性地将所述磨损机构布置在平衡膜上的遇到磨损的区域，可以保持小的磨损机构空间延伸距离，因此，该平衡膜的体积刚度基本保持不变。
附图说明
接着，根据附图进一步阐述根据本发明的平衡膜。在此示意性示出：
图1示出具有本发明平衡膜的可变液压减振支承的纵剖视图；
图2示出具有呈瘤块状磨损机构的本发明平衡膜的竖向剖视图；
图3示出沿图2中的箭头III的方向的俯视图；和
图4示出具有呈环形加厚层状磨损机构的本发明平衡膜的俯视图。
具体实施方式
如图1所示的液压减振支承10具有托簧18，该托簧以旋转对称形式形成并由弹性体材料构成。托簧18将托座16与支座17连接，所述托座支撑未示出的动力总成且所述支座与未示出的车体连接。托簧18界定出工作腔19，该工作腔通过隔板22与平衡腔20隔开。平衡腔20由平衡膜11界定。在隔板22中开设有减振通道23，该减振通道使工作腔19与平衡腔20连通。工作腔19、平衡腔20和减振通道23填充有流体。
隔板22在中心具有缓冲通道24。所述缓冲通道可借助控制机构25与支承10的运行状态相关地形成工作腔19和平衡腔20之间的另一连通。气动式控制机构25具有弹簧加载的控制件26，该控制件布置在缓冲通道24的出口处。
控制件26具有支撑板27，该支撑板嵌入在罐形盖28中。在平衡膜11偏移的情况下，该平衡膜处于与支撑板27的接触面13的接触当中。
平衡膜11具有呈瘤块14形式且如此布置的磨损机构12，在平衡膜11触碰接触面13的情况下，磨损机构12形成首先接触。由此避免平衡膜11损坏并延长其使用寿命。
图2和图3以竖向剖视图和俯视图示出根据本发明的平衡膜11的实施方式。
平衡膜11由弹性体材料制成并径向呈圆形地围绕轴线Z构成。此外，平衡膜11径向呈波浪形地形成。平衡膜11有多个瘤块14，这些瘤块在周向上相互错开布置并从平衡膜11突出。瘤块14由弹性体材料制成并被硫化固结在平衡膜11上。因此，瘤块14与平衡膜11呈一体地构成。
图4以俯视图示出根据本发明的平衡膜11的另一实施方式。
平衡膜11与根据图2和图3的实施方式的区别在于磨损机构12的构型。在此示出的磨损机构12以从平衡膜11突出的环形加厚层15形式构成。加厚层15由弹性体材料制成并被硫化固结在平衡膜11上。因此，加厚层15与平衡膜11呈一体地构成。
通过设置在磨损机构12上的平衡膜11，在支承10的运行中避免平衡膜11因接触支承件而损坏。因此，磨损机构12延长了支承10的使用寿命。磨损机构12的构型基本上不影响平衡膜11的体积刚度。
附图标记列表
10液压减振支承；11平衡膜；12磨损机构；13接触面；14瘤块；15加厚层；16托座；17支座；18托簧；19工作腔；20平衡腔；22隔板；23减振通道；24缓冲通道；25控制机构；26控制件；27支撑板；28罐形盖。

Claims (8)

1.一种用于液压减振支承(10)尤其是可变支承的平衡膜(11)，其特征在于，所述平衡膜(11)设有用于在所述支承(10)的接触面(13)上擦磨的磨损机构(12)。
2.根据权利要求1所述的平衡膜，其特征在于，所述磨损机构(12)具有从所述平衡膜突出的相互间隔的多个瘤块(14)。
3.根据权利要求1或2所述的平衡膜，其特征在于，所述磨损机构(12)具有环形加厚层(15)。
4.根据权利要求1至3之一所述的平衡膜，其特征在于，所述磨损机构(12)呈环形围绕中心轴线(Z)布置并从所述平衡膜(11)突出。
5.根据权利要求1至4之一所述的平衡膜，其特征在于，所述磨损机构(12)被硫化固结在所述平衡膜(11)上。
6.根据权利要求1至5之一所述的平衡膜，其特征在于，所述磨损机构(12)相对于该中心轴线(Z)的径向距离根据所述液压减振支承(10)的结构类型被这样确定，在所述液压减振支承(10)的运行期间所述磨损机构(12)触碰所述接触面(13)。
7.根据权利要求1至6之一所述的平衡膜，其特征在于，所述接触面(13)通过在运行中在触碰情况下与所述平衡膜(11)形成首先接触的周围部件的区域来确定。
8.一种液压减振支承(10)，尤其是可变液压悬架，包括通过弹性体的托簧(18)相互连接的托座(16)和支座(17)以及包括工作腔(19)和由平衡膜(11)界定且由弹性体材料构成的平衡腔(20)并且还包括能通过控制机构(25)被接通的缓冲通道(24)，所述工作腔和平衡腔填充有流体、通过隔板(22)相互分隔并且通过开设于所述隔板(22)中的减振通道(23)相互连通，其特征在于，所述平衡膜(11)设置有用于在接触面(13)上擦磨的磨损机构(12)。
CN201610007235.2A 2015-01-13 2016-01-06 用于液压减振支承的平衡膜 Active CN105782330B (zh)

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DE102015100429.1A DE102015100429B4 (de) 2015-01-13 2015-01-13 Ausgleichsmembran für ein hydraulisch dämpfendes Lager
DE102015100429.1 2015-01-13

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DE102017101968B4 (de) * 2017-02-01 2020-07-23 Vibracoustic Gmbh Hydrolager
DE102018102130A1 (de) * 2018-01-31 2019-08-01 Vibracoustic Gmbh Hydraulisch dämpfendes Lager

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GB2087512A (en) * 1980-11-18 1982-05-26 Imp Clevite Inc Combined fluid damper and elastomeric spring unit
US5667205A (en) * 1995-03-22 1997-09-16 Yamashita Rubber Kabushiki Kaisha Fluid-sealed type anti-vibration rubber device
CN1580605A (zh) * 2003-08-12 2005-02-16 东海橡胶工业株式会社 填充流体的减震装置
CN101012861A (zh) * 2006-01-31 2007-08-08 东海橡胶工业株式会社 流体封入式减振装置及其制造方法
CN101392811A (zh) * 2007-09-21 2009-03-25 东海橡胶工业株式会社 减振装置及其制造方法

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DE102015100429A1 (de) 2016-07-14
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EP3045766B1 (de) 2019-10-02
CN105782330B (zh) 2019-06-25

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