CN206555347U - 一种轨道交通用液压衬套 - Google Patents
一种轨道交通用液压衬套 Download PDFInfo
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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
- F16F13/04—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
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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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/0633—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being retained in a gap
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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
- F16F13/04—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
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
- F16F13/1481—Units of the bushing type, i.e. loaded predominantly radially characterised by features of plastic springs, e.g. presence of cavities or stiffeners; characterised by features of flexible walls of equilibration chambers, i.e. membranes
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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
- F16F13/04—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
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/42—Adjustment controlled by buffer or coupling gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
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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
- F16F13/04—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
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
- F16F13/1445—Units of the bushing type, i.e. loaded predominantly radially characterised by method of assembly, production or treatment
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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
- F16F13/04—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
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
- F16F13/1463—Units of the bushing type, i.e. loaded predominantly radially characterised by features of passages between working chambers
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/165—Sealing arrangements
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
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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
- F16F2230/00—Purpose; Design features
- F16F2230/06—Fluid filling or discharging
Abstract
本实用新型提供一种轨道交通用液压衬套,包括橡胶主簧及衬套外套,所述衬套外套套设于所述橡胶主簧的外侧,所述橡胶主簧设有两密闭液室及用于连通两密闭液室的流道,所述流道设于所述橡胶主簧的外周上,所述流道包括位于橡胶主簧中部的螺旋流道及位于橡胶主簧两侧的圆环流道,所述衬套外套上设有注液孔,所述注液孔与所述圆环流道对接连通。本实用新型具有加工简单、生产效率高,且保证注液效果的优点。
Description
相关申请的交叉引用
本申请要求享有于2016年12月02日提交的中国专利申请CN201611095592.5和于2016年12月02日提交的中国专利申请CN201611096400.2的优先权,其全部内容通过引用并入本文。
技术领域
本实用新型涉及转向架,尤其涉及一种轨道交通用液压衬套。
背景技术
现有的液压衬套产品都是应用于汽车悬架领域,主要满足产品低频大刚度、大阻尼或高频小刚度、小阻尼的要求,以达到快速衰减振动及降噪的目的,目前液压衬套在轨道交通领域没有相关应用。现有汽车上的液压衬套通常采用在液压衬套的芯轴开通注液流道的方式实现注液,即流体通过芯轴轴向注液通道、径向注液通道进入芯轴外部的液室,由于轴向注液流道长,且注液孔小,使得加工时钻头的偏摆大,其加工困难,无法有效保证注液孔的加工精度,且采用该方法需加工径向与液室连通的径向注液通道,其成本高,生产效率低;同时,容易导致轴孔残留流体多,造成浪费。
实用新型内容
本实用新型要解决的技术问题是克服现有技术的不足,提供一种加工简单、生产效率高,且保证注液效果的轨道交通用液压衬套。
为解决上述技术问题,本实用新型提出的技术方案为:
一种轨道交通用液压衬套,包括橡胶主簧及衬套外套,所述衬套外套套设于所述橡胶主簧的外侧,所述橡胶主簧设有两密闭液室及用于连通两密闭液室的流道,所述流道设于所述橡胶主簧的外周上,所述流道包括位于橡胶主簧中部的螺旋流道及位于橡胶主簧两侧的圆环流道,所述衬套外套上设有注液孔,所述注液孔与所述圆环流道对接连通。
作为上述技术方案的进一步改进:
所述注液孔内设有密封件,所述密封件可拆卸安装于所述注液孔内。
所述橡胶主簧包括依次套设的芯轴、第一橡胶体及尼龙体,所述流道设于所述尼龙体的外周上,所述两密闭液室设于所述第一橡胶体上。
所述芯轴与第一橡胶体及第一橡胶体与尼龙体为硫化连接。
还包括用于提供液压衬套轴向刚度的两橡胶辅簧,两个所述橡胶辅簧通过所述衬套外套密封压装于所述橡胶主簧的两端。
所述第一橡胶体内设有对称布置于芯轴两侧的轴向通孔,所述第一橡胶体的两端设有用于连通流道与轴向通孔的环形凹槽;所述橡胶辅簧包括第二橡胶体,第二橡胶体上设有两密封凸起,所述密封凸起设于所述环形凹槽内,并将环形凹槽分割为两个半环槽,位于同一侧半环槽及轴向通孔形成一密闭液室。
还包括用于提供液压衬套轴向刚度的两橡胶辅簧,两个所述橡胶辅簧通过所述衬套外套密封压装于所述橡胶主簧的两端。
所述橡胶辅簧包括第二橡胶体、支撑环、第一密封垫片及第二密封垫片,所述第二橡胶体通过支撑环安装于所述芯轴上,所述第一密封垫片与第二密封垫片分设于所述支撑环的内外两侧。
所述第二密封垫片的外侧设有圆角,所述衬套外套两端的内壁设有凹槽以形成翻边,所述翻边贴合于第二密封垫片外侧。
所述橡胶主簧、橡胶辅簧与衬套外套过盈配合。
与现有技术相比,本实用新型的优点在于:
本实用新型将流道设于橡胶主簧的外周上,并将注液孔直接设置于衬套外套与流道连通,使得注液孔直接在衬套外套上钻孔即可实现流道注液,加工简单、生产效率高,且钻头加工时偏摆小,加工精度高,同时,注液孔竖直设置,且长度短,不易残留流体;本实用新型橡胶主簧两侧的流道为圆环流道,注液孔与圆环流道连通,使得衬套外套发生微小转动偏差时也能保证注液孔与流道有效对接,降低了注液孔与流道之间的配合难度,保证注液效果。
附图说明
在下文中将基于实施例并参考附图来对本实用新型进行更详细的描述。其中:
图1是本实用新型的立体结构示意图。
图2是本实用新型的另一立体结构示意图。
图3是本实用新型的主剖视图。
图4是本实用新型橡胶主簧的主视图。
图5是图4的左视图。
图6是本实用新型橡胶辅簧的结构示意图。
图7是本实用新型衬套外套的结构示意图。
图中各标号表示:
1、橡胶主簧;11、芯轴;12、第一橡胶体;121、轴向通孔;122、环形凹槽;13、尼龙体;14、密闭液室;15、流道;151、螺旋流道;152、圆环流道;2、衬套外套;21、注液孔;22、翻边;3、橡胶辅簧;31、第二橡胶体;311、密封凸起;32、支撑环;33、第一密封垫片;34、第二密封垫片;341、圆角;4、密封件。
具体实施方式
下将结合说明书附图和具体实施例对本实用新型做进一步详细说明,但并不因此而限制本实用新型的保护范围。
如图1至图7示出了本实用新型轨道交通用液压衬套的实施例,本实用新型的轨道交通用液压衬套用于高速动车组转向架的转臂定位领域,可实现宽范围的刚度调整,即在直线运动过程中,液压衬套处于大刚度状态,车辆可快速行驶、稳定性高,火车在转弯过程中,液压衬套处于小刚度状态,变形空间大,可实现柔性过弯。本实施例中,轨道交通用液压衬套包括橡胶主簧1及衬套外套2,衬套外套2套设于橡胶主簧1的外侧,橡胶主簧1设有两密闭液室14及流道15,流道15设于橡胶主簧1的外周上并连通两密闭液室14,两密闭液室14提供流体的流动空间,流体注满于密闭液室14及流道15内,提供液压衬套不同频率下的不同刚度特性,同时,流体可阻尼耗能,衰减振动、防止共振,有效减小了轮缘磨耗,提高了部件使用寿命。如图3、图4所示,本实施例中,流道15包括螺旋流道151及圆环流道152,螺旋流道151位于橡胶主簧1的中部,圆环流道152位于橡胶主簧1的两侧,衬套外套2上设有注液孔21,注液孔21与圆环流道152对接连通。本实用新型将流道15设于橡胶主簧1的外周上,并将注液孔21直接设置于衬套外套2与流道15连通,使得注液孔21直接在衬套外套2上钻孔即可实现流道15注液,加工简单、生产效率高,且钻头加工时偏摆小,加工精度高,同时,注液孔21竖直设置,且长度短,不易残留流体;本实用新型橡胶主簧1两侧的流道15为圆环流道152,注液孔21与圆环流道152连通,使得衬套外套2发生微小转动偏差时也能保证注液孔21与流道15有效对接,降低了注液孔21与流道15之间的配合难度,保证注液效果。
本实施例中,注液孔21内设有密封件4,密封件4可拆卸的安装于注液孔21内,并通过密封胶密封,其方便对密闭液室14进行抽真空处理及流体的补给或更换,特别是在基本结构已经确定的基础上,在需要调整产品的性能时,可通过流体粘度的选择来调整产品性能,以满足客户需求。本实施例中,密封件4为螺钉。
本实施例中,轨道交通用液压衬套还包括两橡胶辅簧3,两橡胶辅簧3用于提供液压衬套轴向刚度,两个橡胶辅簧3通过衬套外套2密封压装于橡胶主簧1的两端,橡胶主簧1与两橡胶辅簧3的配合形式,可实现多方向刚度的匹配,通过调整液压衬套的径向刚度和轴向刚度比例,满足客户的不同设计需求。
本实施例中,橡胶主簧1包括依次套设的芯轴11、第一橡胶体12及尼龙体13,芯轴11与第一橡胶体12及第一橡胶体12与尼龙体13均为硫化连接,且流道15设于尼龙体13的外周上,流道15采用聚酰胺材料,两密闭液室14设于第一橡胶体12内,衬套外套2套设于尼龙体13外;同时,芯轴11与转向架的构架连接,衬套外套2与转向架的定位转臂连接。
本实施例中,第一橡胶体12内设有两轴向通孔121,两轴向通孔121对称布置于芯轴11的两侧,第一橡胶体12的两端设有环形凹槽122,环形凹槽122连通流道15与轴向通孔121,形成流体流动通道;橡胶辅簧3包括第二橡胶体31,第二橡胶体31上设有两密封凸起311,密封凸起311抵设于环形凹槽122内,并将环形凹槽122分割为两个半环槽,位于同一侧半环槽及轴向通孔121形成一密闭液室14,密闭液室14为真空密闭环形结构,两侧的密闭液室14通过流道15连通。本实施例中,在火车行驶、液压衬套处于受载荷的状态下,高压密闭液室14的流体通过流道15向低压密闭液室14流动,实现液压衬套的刚度调节和阻尼耗能效应,提高列车直线段高频振动下的稳定性及低速过曲线能力,并最终实现减小轮缘磨耗、提高部件使用寿命。
本实施例中,橡胶辅簧3还包括支撑环32、第一密封垫片33及第二密封垫片34,支撑环32套设于芯轴11上,第二橡胶体31通过支撑环32安装于芯轴11上,第一密封垫片33与第二密封垫片34设置于第二橡胶体31内,第一密封垫片33与第二密封垫片34分设于支撑环32的内外两侧,并与衬套外套2配合实现液压衬套的有效密封。
本实施例中,橡胶主簧1、橡胶辅簧3与衬套外套2为过盈压装,采用常温加硅油的方式进行压装,既能保证压装又能保证有效密封,同时,第二密封垫片34的外侧设有圆角341,衬套外套2两端的内壁设有凹槽以形成翻边22,翻边22贴合于第二密封垫片34外侧,进一步保证了液压衬套的有效密封。
本实施例中,橡胶主簧1、橡胶辅簧3压装至衬套外套2时应注意保证对准,在装配完成后可采用螺钉对注液孔21与流道15是否完全对准进行检测,即将螺钉通过注液孔21插入流道15内进行检测。
本实施例中,在火车行驶过程中,液压衬套一直处于受载荷的状态,即转向架的定位转臂施加作用力给衬套外套2,在火车直线行驶时,处于高速状态,此时激励频率高,定位转臂振幅小,液压衬套内的液体来不及移动,形成动态硬化,使得动刚度比较大,刚度越大、车振幅小,实现了轨道交通的快速行驶,牵引、稳定;在火车过弯行驶时,处于低速状态,此时激励频率低、振幅大,定位转臂对液压衬套的衬套外套2形成挤压,使得液压衬套内的流体流动,此时只有橡胶本身的刚度,刚度减小,可变形空间增大,实现了火车柔性过弯。
虽然已经参考优选实施例对本实用新型进行了描述,但在不脱离本实用新型的范围的情况下,可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是,只要不存在结构冲突,各个实施例中所提到的各项技术特征均可以任意方式组合起来。本实用新型并不局限于文中公开的特定实施例,而是包括落入权利要求的范围内的所有技术方案。
Claims (9)
1.一种轨道交通用液压衬套,其特征在于,包括橡胶主簧及衬套外套,所述衬套外套套设于所述橡胶主簧的外侧,所述橡胶主簧设有两密闭液室及用于连通两密闭液室的流道,所述流道设于所述橡胶主簧的外周上,所述流道包括位于橡胶主簧中部的螺旋流道及位于橡胶主簧两侧的圆环流道,所述衬套外套上设有注液孔,所述注液孔与所述圆环流道对接连通。
2.根据权利要求1所述的轨道交通用液压衬套,其特征在于,所述注液孔内设有密封件,所述密封件可拆卸安装于所述注液孔内。
3.根据权利要求1所述的轨道交通用液压衬套,其特征在于,所述橡胶主簧包括依次套设的芯轴、第一橡胶体及尼龙体,所述流道设于所述尼龙体的外周上,所述两密闭液室设于所述第一橡胶体上。
4.根据权利要求3所述的轨道交通用液压衬套,其特征在于,所述芯轴与第一橡胶体及第一橡胶体与尼龙体为硫化连接。
5.根据权利要求3所述的轨道交通用液压衬套,其特征在于,还包括用于提供液压衬套轴向刚度的两橡胶辅簧,两个所述橡胶辅簧通过所述衬套外套密封压装于所述橡胶主簧的两端。
6.根据权利要求5所述的轨道交通用液压衬套,其特征在于,所述第一橡胶体内设有对称布置于芯轴两侧的轴向通孔,所述第一橡胶体的两端设有用于连通流道与轴向通孔的环形凹槽;所述橡胶辅簧包括第二橡胶体,第二橡胶体上设有两密封凸起,所述密封凸起设于所述环形凹槽内,并将环形凹槽分割为两个半环槽,位于同一侧半环槽及轴向通孔形成一密闭液室。
7.根据权利要求5所述的轨道交通用液压衬套,其特征在于,所述橡胶辅簧包括第二橡胶体、支撑环、第一密封垫片及第二密封垫片,所述第二橡胶体通过支撑环安装于所述芯轴上,所述第一密封垫片与第二密封垫片分设于所述支撑环的内外两侧。
8.根据权利要求7所述的轨道交通用液压衬套,其特征在于,所述第二密封垫片的外侧设有圆角,所述衬套外套两端的内壁设有凹槽以形成翻边,所述翻边贴合于第二密封垫片外侧。
9.根据权利要求5所述的轨道交通用液压衬套,其特征在于,所述橡胶主簧、 橡胶辅簧与衬套外套过盈配合。
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CN206555347U (zh) * | 2016-12-02 | 2017-10-13 | 株洲时代新材料科技股份有限公司 | 一种轨道交通用液压衬套 |
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CN108150588A (zh) * | 2016-12-02 | 2018-06-12 | 株洲时代新材料科技股份有限公司 | 一种轨道交通用液压衬套 |
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CN108150598A (zh) | 2018-06-12 |
CN108150591A (zh) | 2018-06-12 |
CN108150592A (zh) | 2018-06-12 |
CN108150535A (zh) | 2018-06-12 |
CN108150589B (zh) | 2020-07-14 |
CN108150588A (zh) | 2018-06-12 |
CN108150595B (zh) | 2020-05-12 |
CN108150594A (zh) | 2018-06-12 |
CN108150592B (zh) | 2020-05-08 |
CN108150598B (zh) | 2020-05-12 |
CN108150587A (zh) | 2018-06-12 |
CN108150589A (zh) | 2018-06-12 |
CN108150596B (zh) | 2020-09-22 |
CN108150593B (zh) | 2020-07-07 |
CN108150590A (zh) | 2018-06-12 |
CN108150585A (zh) | 2018-06-12 |
CN108150536A (zh) | 2018-06-12 |
CN108150535B (zh) | 2020-06-26 |
CN206361076U (zh) | 2017-07-28 |
CN108150597B (zh) | 2020-05-12 |
CN108150591B (zh) | 2020-07-14 |
CN108150595A (zh) | 2018-06-12 |
CN108150597A (zh) | 2018-06-12 |
CN108150536B (zh) | 2020-06-26 |
CN108150593A (zh) | 2018-06-12 |
CN206555348U (zh) | 2017-10-13 |
CN108150596A (zh) | 2018-06-12 |
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