CN105822717B - 一种解耦膜刚度可变半主动悬置 - Google Patents

一种解耦膜刚度可变半主动悬置 Download PDF

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CN105822717B
CN105822717B CN201610297129.2A CN201610297129A CN105822717B CN 105822717 B CN105822717 B CN 105822717B CN 201610297129 A CN201610297129 A CN 201610297129A CN 105822717 B CN105822717 B CN 105822717B
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flow channel
channel component
decoupling film
sap cavity
leather cup
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CN105822717A (zh
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郑帅
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ASIMCO NOISE AND VIBRATION TECHNOLOGY (ANHUI) Co Ltd
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ASIMCO NOISE AND VIBRATION TECHNOLOGY (ANHUI) Co Ltd
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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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04Units 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
    • F16F13/06Units 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
    • F16F13/08Units 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
    • F16F13/10Units 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
    • F16F13/105Units 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 partitions between two working chambers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12Arrangement of engine supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12Arrangement of engine supports
    • B60K5/1208Resilient supports
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04Units 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
    • F16F13/06Units 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
    • F16F13/08Units 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
    • F16F13/10Units 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
    • F16F13/105Units 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 partitions between two working chambers
    • F16F13/107Passage design between working chambers

Abstract

本发明公开了一种解耦膜刚度可变半主动悬置,包括壳体组件、流道组件、皮碗、解耦膜、密封件、驱动机构;壳体组件包括内芯子、橡胶主簧、外骨架、底座,壳体组件上设有进液孔;内芯子、橡胶主簧、外骨架、底座围成容纳空间;流道组件置于容纳空间内,流道组件上设有通液孔、惯性通道,流道组件的一侧面与橡胶主簧之间形成上液腔,上液腔通过进液孔与外界连通;为了安装、加工方便,可以将流道组件分成两块,即上流道板、上流道板。皮碗置于流道组件远离上液腔的一侧,皮碗与流道组件之间形成下液腔,下液腔通过惯性通道与上液腔连通;解耦膜置于流道组件远离上液腔的一侧,解耦膜与流道组件之间形成收容空间,收容空间通过通液孔与上液腔连通。本发明结构简单,使用方便。

Description

一种解耦膜刚度可变半主动悬置
技术领域
本发明涉及发动机半主动液压悬置系统技术领域,尤其涉及一种解耦膜刚度可变半主动悬置。
背景技术
目前人们对于汽车的乘坐舒适性要求越来越高,但作为主要激振源的发动机的隔振技术一直是困扰着人们的难题。对此,人们采取了很多方法来隔离发动机振动,降低噪音。如初期采用纯橡胶块悬置,但其阻尼较低,隔振效果不佳;后来人们采用橡胶与液压结合的液压悬置结构来增大阻尼。普通液压悬置的发展经历了从节流孔式到惯性通道式,从惯性通道解耦膜式再到加扰流盘式这一过程,隔振效果得到了进一步的提升。人们要求悬置在低频大振幅时具有大刚度、大阻尼特性,高频小振幅时具有小刚度小阻尼特性,但对于普通液压悬置的缺点是显而易见的,因其刚度和阻尼不可调节,不能同时满足高频和低频的隔振要求。
因此,人们致力于发展解耦膜刚度可变半主动悬置或主动悬置,目前所存在的解耦膜刚度可变半主动悬置主要包括:空气弹簧式、变流道式以及改变液体粘性的电流变和磁流变式,都或多或少的存在一些问题。其中:空气弹簧式主要是在解耦膜与惯性通道间形成一空气腔,通过一小孔的开闭来控制空气腔与大气的连通,进行刚度调节,此方式空气腔的密封不易解决;变流道式主要是在高频时直接将上下液腔连通,此方式结构较复杂,密封较难,且对步进电机的控制精度要求也较高;而电流变和磁流变式是通过施加电场或磁场,使阻尼液的粘性改变,进而改变阻尼,但此方式的液体中的磁性颗粒容易沉降,阻尼可控范围较小。而主动悬置的结构及加工工艺复杂且价格较高,以目前的技术水平难以实现批量生产。
发明内容
为了解决背景技术中存在的技术问题,本发明提出了一种解耦膜刚度可变半主动悬置,结构简单,加工、使用方便。
一种解耦膜刚度可变半主动悬置,包括壳体组件、流道组件、皮碗、解耦膜、密封件、驱动机构;
壳体组件包括内芯子、橡胶主簧、外骨架、底座,壳体组件上设有进液孔;内芯子、橡胶主簧、外骨架、底座围成容纳空间;
流道组件置于容纳空间内,流道组件上设有通液孔、惯性通道,流道组件的一侧面与橡胶主簧之间形成上液腔,上液腔通过进液孔与外界连通;为了安装、加工方便,流道组件包括上流道板、上流道板。
皮碗置于流道组件远离上液腔的一侧,皮碗与流道组件之间形成下液腔,下液腔通过惯性通道与上液腔连通;
解耦膜置于流道组件远离上液腔的一侧,解耦膜与流道组件之间形成收容空间,收容空间通过通液孔与上液腔连通;
密封件用于封闭进液孔;
驱动机构用于驱动解耦膜移动以封闭或打开通液孔。
优选的,流道组件远离上液腔的一侧设有环形凹槽;
皮碗为环形,皮碗的内圈镶嵌在凹槽内。
优选的,凹槽远离皮碗一侧设有弹性部,弹性部的顶端自流道组件向远离流道组件的方向延伸,弹性部的顶端向皮碗方向倾斜布置。
优选的,底座上设有通气孔,皮碗、解耦膜远离流道组件的一侧均通过通气孔与外界接触。
优选的,还包括扰流盘,扰流盘置于容纳空间内,扰流盘安装在内芯子上。
优选的,内芯子上设有安装孔。
优选的,上述进液孔置于内芯子上,进液孔的第一端与安装孔连接,进液孔的第二端与上液腔连接。
优选的,驱动机构包括顶板、驱动单元,顶板置于容纳空间内并置于解耦膜远离流道组件的一侧;驱动单元驱动顶板向解耦膜的方向或远离解耦膜的方向移动。
一种车辆,包括所述的解耦膜刚度可变半主动悬置。
本发明中,扰流盘是通过与内芯子铆接的形式紧固的,同时在内芯子内设有进液孔,可以进行抽真空干灌,减轻了劳动强度,提高生产效率。对于其驱动控制机构,让其与车载控制装置连接,通过控制装置来控制驱动机构做上下直线运动。在低频大振幅工况下,顶板向上移动,并顶住解耦膜下表面,使解耦膜离开原位置向上移动,将解耦膜上表面与上流道板下表面贴合。因此,在该工况下,液体完全从上液腔经惯性通道流到下液腔,可以产生较大的刚度和阻尼。在高频小振幅工况下,顶板向下移动,解耦膜回到原位置,解耦膜与上流道板以及顶板之间保留一定的间隙,可以在该间隙间自由振动,液体基本不再从上液腔经惯性通道流到下液腔。因此,在该工况下,可以产生较小的刚度和阻尼,同时,由于扰流盘使上液腔液体产生紊流作用,一定程度上降低了高频动态硬化的现象。本发明较好地解决了悬置在高频和低频工况下的刚度和阻尼要求,在一定程度上提高了乘坐舒适性。
附图说明
图1为本发明的结构示意图;
图2为本发明的皮碗的内圈与下流道板铆接前示意图。
图3为本发明的皮碗的内圈与下流道板铆接后示意图。
具体实施方式
需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互的结合;下面参考附图并结合实施例对本发明做详细说明。
参照图1、2、3:
本发明提出的一种解耦膜刚度可变半主动悬置,包括壳体组件、流道组件、皮碗2、解耦膜3、密封件4、驱动机构、扰流盘17;
壳体组件包括内芯子5、橡胶主簧6、外骨架7、底座8,内芯子5上设有安装孔18、进液孔9;进液孔9的第一端与安装孔18连接,进液孔9的第二端与上液腔12连接;安装孔18可以为螺纹孔,便于与外部连接;内芯子5、橡胶主簧6及外骨架7通过硫化为一体;内芯子5、橡胶主簧6、外骨架7、底座8围成容纳空间。
为了便于加工、安装,流道组件包括上流道板101和下流道板102。
上流道板101和下流道板102均置于容纳空间内,上流道板101和下流道板102可以自上而下布置;上流道板101的中部设有通液孔10,上流道板101和下流道板102上均设有惯性通道11,上流道板101的上表面与橡胶主簧6之间形成上液腔12,上液腔12与通过进液孔9与外界连通。
下流道板102为环形,下流道板102的下表面设有环形凹槽。
皮碗2为环形,皮碗2置于下流道板102的下方,皮碗2与下流道板102之间形成下液腔13,下液腔13通过惯性通道11与上液腔12连通;皮碗2的内圈14镶嵌在凹槽内。
凹槽远离皮碗2一侧设有弹性部15,弹性部15的顶端自下流道板102向远离下流道板102的方向延伸,弹性部15的顶端向皮碗2方向倾斜布置;让皮碗2的内圈14与凹槽卡紧。
解耦膜3置于上流道板101的下方,解耦膜3与上流道板101之间形成收容空间,收容空间通过通液孔10与上液腔12连通,上液腔12的液体可通过通液孔10流到解耦膜3的上表面;解耦膜3与下流道板102通过橡胶硫化为一体,可以保证液室的密封;可以让皮碗2的外圈22及底座8、橡胶主簧6、外骨架7铆接,加上皮碗2的内圈14与下流道板102之间的铆接,两处铆接使橡胶主簧6、皮碗2及解耦膜3之间形成密闭腔体。
密封件4用于封闭进液孔9;密封件4可以为钢珠,将钢珠置于进液孔9内实现过盈配合。
驱动机构用于驱动解耦膜3移动以封闭或打开通液孔10。
底座8上设有通气孔16,皮碗2、解耦膜3远离流道组件的一侧均通过通气孔16与外界接触;当悬置工作时,皮碗2、解耦膜3收缩或膨胀使底座8内气压变化,该通气孔16可以保证底座8内气压与外界相同。
底座8的底部安装有螺栓21,便于与外部链接。
扰流盘17置于容纳空间内,扰流盘17安装在内芯子5上。
在本实施例中,驱动机构包括顶板19、驱动单元20,顶板19置于容纳空间内并置于解耦膜3的下方;驱动单元20驱动顶板19向解耦膜3的方向或远离解耦膜3的方向移动;驱动单元20可以为步进电机或直线电机或液压缸。顶板19推动解耦膜3向上移动,紧贴上流道板101,使解耦膜3无法变形,这就相当于解耦膜3的刚度变大.
具体装配过程为:先将扰流盘17与内芯子5下端铆接,再将皮碗2的内圈14与凹槽卡接后,将上流道板101、下流道板102、皮碗2以及装有驱动机构的底座8按顺序压到橡胶主簧6内,将皮碗2的外圈22、底座8、橡胶主簧6及外骨架7进行铆压,使其紧固为一体。装配完成后,通过从内芯子5安装孔18下部的进液孔9内抽真空实现灌液,灌液完成后,压入钢珠实现过盈密封。可以看出,本实施例的装配过程简单,容易实施,生产效率也较高。
驱动机构可以通过车载控制器发出的电流信号实现顶板19的上下移动,当发动机处于低频大振幅工况时,顶板19向上移动,并顶住解耦膜3下表面,使解耦膜3离开原位置向上移动,将解耦膜3上表面与上流道板101下表面贴紧,解耦膜3不移动,则液体可以完全从上液腔12经惯性通道11流到下液腔13,产生较大的刚度和阻尼。在高频小振幅工况下,顶板19向下移动,解耦膜3回到原位置,解耦膜3与上流道板101以及顶板19之间保留一定的间隙,可以在该间隙间自由振动,则液体不再从上液腔12经惯性通道11流到下液腔13。因此,在该工况下,可以产生较小的刚度和阻尼,同时,由于扰流盘17使上液腔12液体产生紊流作用,一定程度上降低了高频动态硬化的现象,较好地解决了悬置在高频和低频工况下的刚度和阻尼要求,在一定程度上提高了乘坐舒适性。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (9)

1.一种解耦膜刚度可变半主动悬置,其特征在于,包括壳体组件、流道组件、皮碗、解耦膜、密封件、驱动机构;
壳体组件包括内芯子、橡胶主簧、外骨架、底座,壳体组件上设有进液孔;内芯子、橡胶主簧、外骨架、底座围成容纳空间;
流道组件置于容纳空间内,流道组件上设有通液孔、惯性通道,流道组件的一侧面与橡胶主簧之间形成上液腔,上液腔通过进液孔与外界连通;
皮碗置于流道组件远离上液腔的一侧,皮碗与流道组件之间形成下液腔,下液腔通过惯性通道与上液腔连通;
解耦膜置于流道组件远离上液腔的一侧,解耦膜与流道组件之间形成收容空间,收容空间通过通液孔与上液腔连通;
密封件用于封闭进液孔;
驱动机构用于驱动解耦膜移动以封闭或打开通液孔。
2.根据权利要求1所述的解耦膜刚度可变半主动悬置,其特征在于,流道组件远离上液腔的一侧设有环形凹槽;
皮碗为环形,皮碗的内圈镶嵌在凹槽内。
3.根据权利要求2所述的解耦膜刚度可变半主动悬置,其特征在于,凹槽远离皮碗一侧设有弹性部,弹性部的顶端自流道组件向远离流道组件的方向延伸,弹性部的顶端向皮碗方向倾斜布置。
4.根据权利要求1所述的解耦膜刚度可变半主动悬置,其特征在于,底座上设有通气孔,皮碗、解耦膜远离流道组件的一侧均通过通气孔与外界接触。
5.根据权利要求1所述的解耦膜刚度可变半主动悬置,其特征在于,还包括扰流盘,扰流盘置于容纳空间内,扰流盘安装在内芯子上。
6.根据权利要求1所述的解耦膜刚度可变半主动悬置,其特征在于,内芯子上设有安装孔。
7.根据权利要求6所述的解耦膜刚度可变半主动悬置,其特征在于,上述进液孔置于内芯子上,进液孔的第一端与安装孔连接,进液孔的第二端与上液腔连接。
8.根据权利要求1所述的解耦膜刚度可变半主动悬置,其特征在于,驱动机构包括顶板、驱动单元,顶板置于容纳空间内并置于解耦膜远离流道组件的一侧;驱动单元驱动顶板向解耦膜的方向或远离解耦膜的方向移动。
9.一种车辆,其特征在于,包括权利要求1-8任意一项所述的解耦膜刚度可变半主动悬置。
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