WO2015027684A1 - 可调式橡胶减振器及具有其的车辆动力总成、车辆 - Google Patents

可调式橡胶减振器及具有其的车辆动力总成、车辆 Download PDF

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Publication number
WO2015027684A1
WO2015027684A1 PCT/CN2014/071477 CN2014071477W WO2015027684A1 WO 2015027684 A1 WO2015027684 A1 WO 2015027684A1 CN 2014071477 W CN2014071477 W CN 2014071477W WO 2015027684 A1 WO2015027684 A1 WO 2015027684A1
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WO
WIPO (PCT)
Prior art keywords
rubber
shock absorber
adjustable
screw nut
absorber according
Prior art date
Application number
PCT/CN2014/071477
Other languages
English (en)
French (fr)
Inventor
许金理
Original Assignee
北汽福田汽车股份有限公司
北京智科投资管理有限公司
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Application filed by 北汽福田汽车股份有限公司, 北京智科投资管理有限公司 filed Critical 北汽福田汽车股份有限公司
Publication of WO2015027684A1 publication Critical patent/WO2015027684A1/zh

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Classifications

    • 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
    • F16F3/00Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/087Units comprising several springs made of plastics or the like material
    • F16F3/093Units comprising several springs made of plastics or the like material the springs being of different materials, e.g. having different types of rubber
    • 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
    • F16F7/00Vibration-dampers; Shock-absorbers
    • F16F7/10Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/104Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
    • F16F7/108Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
    • 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
    • F16F1/00Springs
    • F16F1/36Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/3615Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with means for modifying the spring characteristic

Definitions

  • the present invention relates to the field of vehicle technology, and in particular to an adjustable rubber damper and a vehicle powertrain and vehicle therewith. Background technique
  • the present invention provides an adjustable rubber damper comprising an upper frame, a lower frame, a driving device, a first rubber and a second rubber; the upper frame, the first rubber and the lower frame are up to And a through hole that is vertically connected and open, and the upper frame and the through hole of the lower frame are coaxially disposed; the through hole of the first rubber is in contact with the outer peripheral wall of the second rubber, And the second rubber is axially movable relative to the first rubber, and the driving device is coupled to the second rubber to drive the second rubber to move axially relative to the first rubber.
  • the through hole of the first rubber has an internal thread
  • the outer side of the second rubber is provided with an external thread that is screwed with the internal thread
  • the driving device includes a lead screw nut and a lead screw, and the lead screw nut is rotatably mounted to the through hole of the upper frame; the upper portion of the lead screw is screwed to the The lower end of the lead screw and the lower end of the lead screw are fixedly connected to the second rubber.
  • the lead screw nut is rotatably mounted to the upper bobbin by a tapered roller bearing.
  • the tapered roller bearing is a double row tapered roller bearing.
  • the top of the lead screw nut is provided with a flange and is axially stopped by the flange to the upper frame.
  • the lead screw has a threaded portion for screwing with the screw nut and a connecting portion for connecting the second rubber, the connecting portion having a cross-sectional dimension larger than the threaded portion.
  • the lower end of the second rubber is fixed with a weight.
  • the upper skeleton and the lower skeleton are both metal plates.
  • the upper bobbin is provided with an annular scale surrounding the lead screw nut, and the annular scale indicates a correspondence relationship between a rotation angle of the lead screw nut and a stiffness value of the adjustable rubber damper.
  • the stiffness value of the adjustable rubber damper is the sum of the stiffness of the first rubber and the stiffness of the portion of the second rubber thread that is screwed.
  • a vehicle powertrain comprising the adjustable rubber damper, the adjustable rubber damper being mounted on a support structure of the powertrain.
  • a vehicle comprising the vehicle powertrain.
  • the second rubber is screwed into the through hole of the first rubber to realize the adjustable stiffness of the damper, thereby improving the ability of the vehicle to maintain long-term comfort and making the vehicle in the life cycle. Comfort can be maintained at a good level.
  • the invention reduces the stiffness of the second rubber to reduce the stiffness caused by the rubber aging, and controls the stiffness of the damper; in addition, when the damper design is adjusted, the adjustment stiffness of the second rubber can be adjusted. Work is more convenient.
  • Figure 1 is a full cross-sectional view showing the front view of the adjustable rubber damper of the present invention
  • FIG. 2 is a plan view of the adjustable rubber damper of the present invention. Description of the reference numerals
  • the adjustable rubber damper includes an upper frame 3, a lower frame 7, a driving device, a first rubber 5 and a second rubber 6; the upper frame 3, the first rubber 5 and the lower frame 7 from top to bottom Superimposed and uniformly open through holes penetrating up and down, the upper frame 3, the first rubber 5 and the through hole of the lower frame ⁇ are coaxially disposed; the through hole of the first rubber 5 is in contact with the outer peripheral wall of the second rubber 6, and the first The second rubber 6 is axially movable relative to the first rubber 5, and the driving device is in phase with the second rubber 6 The second rubber 6 is driven to move axially relative to the first rubber 5.
  • the second rubber 6 is disposed in the through hole of the first rubber 5, and the inner peripheral wall of the through hole of the first rubber 5 is engaged with the outer peripheral wall of the second rubber 6, and the driving device drives the second rubber 6 at the first
  • the axial movement of the through hole of the rubber 5 is described.
  • the outer peripheral wall of the second rubber 6 is always in contact with the inner peripheral wall of the through hole of the first rubber 5.
  • the movement of the second rubber 6 in the through hole of the first rubber 5 is controlled by the driving means, and the axial force is transmitted to the second rubber 6 while controlling the stroke of the second rubber 6.
  • the first rubber 5 provides a base stiffness for the damper
  • the second rubber 6 provides an adjustable stiffness to the damper
  • the first rubber 5 and the second rubber 6 function as vibration isolation and noise reduction.
  • the stiffness of the damper can be adjusted, the working stiffness of the second rubber 6 can be reduced, and the stiffness caused by the aging of the rubber can be offset, thereby improving the comfort and long-term retention ability of the vehicle.
  • the damper design is adjusted, the adjustment work can be made more convenient by adjusting the working stiffness of the second rubber 6.
  • the structure of the driving device, the cooperation relationship between the first rubber 5 and the second rubber 6 are not specifically limited, as long as the driving device can drive the second rubber 6 to move axially relative to the first rubber 5, and During the movement, the first rubber 5 and the second rubber 6 are always in contact.
  • the through hole of the first rubber 5 has an internal thread
  • the outer side of the second rubber 6 is provided with an external thread that is screwed with the internal thread.
  • the driving device comprises a spindle nut 1 and a lead screw 4, the lead screw nut 1 is rotatably mounted to the through hole of the upper frame 3, and the upper portion of the lead screw 4 is screwed to the screw nut 1 by screws The lower end of the screw 4 is fixedly connected to the second rubber 6.
  • the structure of the drive device is simple.
  • the adjustable rubber damper of the present invention comprises an upper frame 3, a lower frame 7, a screw nut 1, a lead screw 4, a first rubber 5 and a second rubber 6; an upper frame 3, a first rubber 5 and the lower frame 7 are superposed from top to bottom and open through holes through which the upper frame 3 and the first rubber 5 and the lower frame ⁇ are coaxially disposed; the screw nut 1 is rotatably mounted on the upper frame
  • the upper part of the lead screw 4 is screwed into the screw nut 1 and the lower end of the lead screw 4 is fixedly connected with the second rubber 6 , wherein the lower end of the lead screw 4 and the second rubber 6 can be vulcanized and fixed.
  • the through hole of the first rubber 5 has an internal thread, and the outer side of the second rubber 6 is provided with an external thread that is screwed with the internal thread.
  • the movement of the second rubber 6 in the through hole of the first rubber 5 is controlled by the cooperation of the screw nut 1 and the lead screw 4, and the axial force is transmitted to the second rubber 6 while controlling the stroke of the second rubber 6.
  • the first rubber 5 provides a base stiffness for the damper
  • the second rubber 6 provides an adjustable stiffness for the damper
  • the first rubber 5 and the second rubber 6 function as vibration isolation and noise reduction.
  • the stiffness of the damper can be adjusted, the working stiffness of the second rubber 6 can be reduced, and the stiffness caused by the aging of the rubber can be offset, thereby improving the comfort and long-term retention ability of the vehicle.
  • the stiffness of the action makes the adjustment work more convenient.
  • the lead screw nut 1 is rotatably mounted to the upper frame 3 through a tapered roller bearing 2 or an angular contact ball bearing, and the two bearings can simultaneously receive axial and radial forces, keeping the position of the screw nut 1 in the up and down direction unchanged. At the same time, it can also rotate around the axis of the up and down direction.
  • the tapered roller bearing 2 selects a double row tapered roller bearing, and the outer ring (or inner ring) of the double row tapered roller bearing is a whole.
  • the two inner rings (or outer rings) have similar small end faces and spacers in the middle. The clearance is adjusted by the thickness of the spacers.
  • the thickness of the spacers can also be used to adjust the pre-interference of the double-row tapered roller bearings.
  • Column tapered roller bearings can withstand greater radial loads than single row tapered roller bearings.
  • the top of the spindle nut 1 is provided with a flange and is axially stopped by the flange to the upper frame 3.
  • the lead screw 4 has a threaded portion for screwing with the screw nut 1 and a connecting portion for connecting the second rubber 6, the connecting portion having a cross-sectional dimension larger than the threaded portion, so that the lead screw 4 and the second portion
  • the connection area of the rubber 6 is increased to make the fixing of the rubber 6 stronger, and at the same time, the movement of the lead screw 4 in the up and down direction can be restricted.
  • both the upper frame 3 and the lower frame 7 are metal plates, which provide a vulcanized bonding surface for the first rubber 5 and provide a mounting point for the damper.
  • the upper frame 3 is provided with an annular scale surrounding the screw nut 1.
  • the circular scale indicates the correspondence between the rotation angle of the screw nut 1 and the stiffness value of the adjustable rubber damper, and the adjustable rubber vibration damping
  • the stiffness value of the device is the sum of the stiffness of the first rubber 5 and the stiffness of the portion of the second rubber 6 screwed, that is, the stiffness of the first rubber 5 plus the portion of the second rubber 6 that is screwed with the first rubber 5 Stiffness.
  • This is a stiffness adjustment display mode of the present invention.
  • the axial stroke of the lead screw 4 is adjusted by the rotation angle of the screw nut 1, and the axial stroke of the second rubber 6 is indirectly adjusted, and the axial rigidity of the second rubber 6 is obtained.
  • the stiffness value under the stroke is found on the curve, and the stiffness value of the first rubber 5 is the stiffness of the damper, wherein the relationship between the axial stiffness of the second rubber 6 and the stroke can be obtained through test detection. .
  • the working process of the adjustable rubber damper of the present invention is as follows:
  • the upper frame 3 and the screw nut are connected by a tapered roller bearing 2, and the axial movement of the screw nut 1 is controlled by the thrust action of the tapered roller bearing 2.
  • Rotating the lead screw nut 1, the rotating torque rotates the lead screw 4, and converts the rotary motion into an axial movement; at the same time, under the action of the rotating moment, the second rubber 6 is rotated, and the second rubber 6 is engaged with the first rubber 5
  • the thread which is also converted into an axial movement, increases or decreases the number of threads of the second rubber 6 and the first rubber 5, and the effective acting stiffness changes, while the corresponding stiffness value is displayed on the circular scale of the upper frame 3.
  • the present invention also provides a vehicle powertrain including an adjustable rubber damper mounted on a support structure of the powertrain.
  • a vehicle including a vehicle powertrain.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)

Abstract

一种可调式橡胶减振器及具有其的车辆动力总成、车辆。可调式橡胶减振器包括上骨架(3)、下骨架(7)、驱动装置、第一橡胶(5)和第二橡胶(6);上骨架(3)、第一橡胶(5)与下骨架(7)自上至下叠加且均开有上下贯通的通孔,上骨架(3)、第一橡胶(5)与下骨架(7)的通孔同轴设置;第一橡胶(5)的通孔与第二橡胶(6)的外周壁接触配合,且第二橡胶(6)可相对第一橡胶(5)轴向移动,驱动装置与第二橡胶(6)相连以驱动第二橡胶(6)相对于第一橡胶(5)轴向移动。

Description

可调式橡胶减振器及具有其的车辆动力总成、 车辆
技术领域
本发明涉及车辆技术领域, 具体地, 涉及一种可调式橡胶减振器及具有其的车辆动力 总成、 车辆。 背景技术
橡胶减振器作为一类重要的减振元件,已被广泛运用于各类机械、 汽车、 铁路机车、 水上运输工具、 飞机及其他航空器。 可以说, 凡是需要用到减振和隔震的地方都需要使用 橡胶减振器。 然而, 现有技术的车辆动力总成橡胶减振器的刚度是不可调的, 随车辆的长 期使用, 减振器的刚度随橡胶老化变硬, 隔振降噪能力不可避免的下降。 发明内容
本发明的目的是提供一种可调式橡胶减振器, 来实现减振器的刚度可调, 抵消橡胶老 化引起的刚度变大, 从而提高车辆长效保持舒适性的能力。
为了实现上述目的, 本发明提供一种可调式橡胶减振器, 其包括上骨架、 下骨架、 驱 动装置、 第一橡胶和第二橡胶; 所述上骨架、 第一橡胶与下骨架自上至下叠加且均开有上 下贯通的通孔, 所述上骨架、 第一橡胶与下骨架的通孔同轴设置; 所述第一橡胶的通孔与 所述第二橡胶的外周壁接触配合, 且所述第二橡胶可相对所述第一橡胶轴向移动, 所述驱 动装置与所述第二橡胶相连以驱动所述第二橡胶相对于所述第一橡胶轴向移动。
在本发明的一些实施例中, 所述第一橡胶的通孔具有内螺纹, 所述第二橡胶的外侧设 置有与所述内螺纹旋合的外螺纹。
根据本发明的进一步实施例, 所述驱动装置包括丝杠螺母和丝杠, 所述丝杠螺母可旋 转地安装于所述上骨架的通孔; 所述丝杠上部通过螺纹旋合于所述丝杠螺母内且所述丝杠 下端与所述第二橡胶固定连接。
优选地, 所述丝杠螺母通过圆锥滚子轴承可旋转地安装于所述上骨架。
优选地, 所述圆锥滚子轴承为双列圆锥滚子轴承。
优选地, 所述丝杠螺母的顶部设置有法兰并通过该法兰轴向地止挡于所述上骨架。 优选地, 所述丝杠具有用于与所述丝杠螺母螺纹旋合的螺纹部和用于连接所述第二橡 胶的连接部, 所述连接部具有大于所述螺纹部的截面尺寸。
优选地, 所述第二橡胶下端固定有配重块。 优选地, 所述上骨架和下骨架均为金属板。
优选地, 所述上骨架上设有围绕所述丝杠螺母的环形刻度, 所述环形刻度标示所述丝 杠螺母的旋转角度与所述可调式橡胶减振器的刚度值的对应关系, 所述可调式橡胶减振器 的刚度值为所述第一橡胶的刚度和所述第二橡胶螺纹旋合的部分的刚度的总和。
一种车辆动力总成, 所述车辆动力总成包括所述的可调式橡胶减振器, 所述可调式橡 胶减振器安装在动力总成的支撑结构上。
一种车辆, 所述车辆包括所述的车辆动力总成。
通过上述技术方案, 将第二橡胶通过螺纹旋合于第一橡胶的通孔内, 来实现减振器的 刚度可调, 从而提高车辆长效保持舒适性的能力, 使车辆在寿命周期内的舒适性可保持在 较好水平上。 本发明通过减小第二橡胶的作用刚度, 抵消橡胶老化引起刚度变大, 控制减 振器刚度; 另外, 在减振器设计调校时, 通过调节第二橡胶的作用刚度, 可使调校工作更 为便利。
本发明的其他特征和优点将在随后的具体实施方式部分予以详细说明。 附图说明
附图是用来提供对本发明的进一步理解, 并且构成说明书的一部分, 与下面的具体实 施方式一起用于解释本发明, 但并不构成对本发明的限制。 在附图中:
图 1是本发明可调式橡胶减振器主视图的全剖视图;
图 2是本发明可调式橡胶减振器的俯视图。 附图标记说明
1: 丝杠螺母; 2: 圆锥滚子轴承; 3: 上骨架; 4: 丝杠; 5: 第一橡胶; 6: 第二橡胶; 7: 下骨架; 8: 配重块。 具体实施方式
以下结合附图对本发明的具体实施方式进行详细说明。 应当理解的是, 此处所描述的 具体实施方式仅用于说明和解释本发明, 并不用于限制本发明。
根据本发明实施例的可调式橡胶减振器包括上骨架 3、 下骨架 7、 驱动装置、 第一橡 胶 5和第二橡胶 6; 上骨架 3、第一橡胶 5与下骨架 7自上至下叠加且均开有上下贯通的通 孔, 上骨架 3、 第一橡胶 5与下骨架 Ί的通孔同轴设置; 第一橡胶 5的通孔与第二橡胶 6 的外周壁接触配合, 且第二橡胶 6可相对第一橡胶 5轴向移动, 驱动装置与第二橡胶 6相 连以驱动第二橡胶 6相对于第一橡胶 5轴向移动。 也就是说, 第二橡胶 6设在第一橡胶 5 的通孔内, 且第一橡胶 5的通孔的内周壁与第二橡胶 6的外周壁配合, 驱动装置驱动第二 橡胶 6在第一橡胶 5的通孔内轴向移动, 其中, 需要说明的是, 在第二橡胶 6轴向移动的 过程中, 第二橡胶 6的外周壁与第一橡胶 5的通孔的内周壁始终接触。
从而通过驱动装置控制第二橡胶 6在第一橡胶 5的通孔内的移动, 在控制第二橡胶 6 的行程的同时, 传递轴向力到第二橡胶 6。 另外, 第一橡胶 5为减振器提供基础刚度, 第 二橡胶 6为减振器提供可调刚度, 第一橡胶 5和第二橡胶 6起到隔振降噪的作用。 通过第 一橡胶 5和第二橡胶 6的配合来实现减振器的刚度可调, 减小第二橡胶 6的作用刚度, 抵 消橡胶老化引起刚度变大, 从而改善车辆的舒适性长效保持能力, 同时, 在减振器设计调 校时, 通过调节第二橡胶 6的作用刚度, 可使调校工作更为便利。
需要说明的是, 驱动装置的结构、 第一橡胶 5和第二橡胶 6之间的配合关系不做具体 限定, 只要保证驱动装置可驱动第二橡胶 6相对于第一橡胶 5轴向移动, 且在移动的过程 中, 第一橡胶 5和第二橡胶 6始终接触即可。
在本发明的具体实施例中, 第一橡胶 5的通孔具有内螺纹, 第二橡胶 6的外侧设置有 与内螺纹旋合的外螺纹。 此时通过驱动装置驱动第二橡胶 6转动即可实现第二橡胶 6相对 于第一橡胶 5轴向移动。 从而使得第一橡胶 5和第二橡胶 6之间的装配关系简单。
在本发明的进一步实施例中, 驱动装置包括丝杠螺母 1和丝杠 4, 丝杠螺母 1可旋转 地安装于上骨架 3的通孔, 丝杠 4上部通过螺纹旋合于丝杠螺母 1内且丝杠 4下端与第二 橡胶 6固定连接。 从而使得驱动装置结构简单。
下面参考图 1描述根据本发明优选实施例的可调式橡胶减振器的结构。 如图 1所示, 本发明的可调式橡胶减振器包括上骨架 3、 下骨架 7、 丝杠螺母 1、 丝杠 4、 第一橡胶 5和 第二橡胶 6; 上骨架 3、 第一橡胶 5与下骨架 7自上至下叠加且均开有上下贯通的通孔, 上 骨架 3、 第一橡胶 5与下骨架 Ί的通孔同轴设置; 丝杠螺母 1可旋转地安装于上骨架 3的 通孔; 丝杠 4上部通过螺纹旋合于丝杠螺母 1内且丝杠 4下端与第二橡胶 6固定连接, 其 中, 丝杠 4下端与第二橡胶 6的固定方式可为硫化粘接等; 第一橡胶 5的通孔具有内螺纹, 第二橡胶 6的外侧设置有与内螺纹旋合的外螺纹。 通过丝杠螺母 1与丝杠 4的配合控制第 二橡胶 6在第一橡胶 5的通孔内的移动, 在控制第二橡胶 6的行程的同时, 传递轴向力到 第二橡胶 6。 另外, 第一橡胶 5为减振器提供基础刚度, 第二橡胶 6为减振器提供可调刚 度, 第一橡胶 5和第二橡胶 6起到隔振降噪的作用。 通过第一橡胶 5和第二橡胶 6的配合 来实现减振器的刚度可调, 减小第二橡胶 6的作用刚度, 抵消橡胶老化引起刚度变大, 从 而改善车辆的舒适性长效保持能力, 同时, 在减振器设计调校时, 通过调节第二橡胶 6的 作用刚度, 可使调校工作更为便利。
丝杠螺母 1通过圆锥滚子轴承 2或角接触球轴承可旋转地安装于上骨架 3, 这两种轴 承可同时承受轴向力和径向力, 保持丝杠螺母 1在上下方向位置不变, 同时还能绕上下方 向的轴线自转。 本实施列中, 圆锥滚子轴承 2选择双列圆锥滚子轴承, 双列圆锥滚子轴承 的外圈 (或内圈) 是一个整体。 两个内圈 (或外圈) 小端面相近, 中间有隔圈, 游隙是靠 隔圈的厚薄来调整的, 也可用隔圈的厚薄来调整双列圆锥滚子轴承的预过盈, 双列圆锥滚 子轴承比单列圆锥滚子轴承能承受的径向载荷更大。
为了更保险地限定丝杠螺母 1在上下方向的位置, 丝杠螺母 1的顶部设置有法兰并通 过该法兰轴向地止挡于所述上骨架 3。
更进一步地, 丝杠 4具有用于与丝杠螺母 1螺纹旋合的螺纹部和用于连接第二橡胶 6 的连接部, 连接部具有大于螺纹部的截面尺寸, 使丝杠 4与第二橡胶 6的连接面积增大从 而使两者固定更加牢固, 同时可对丝杠 4在上下方向的移动起限位作用。
另外, 第二橡胶 6下端固定有配重块 8, 起到吸能减噪的作用。 上骨架 3和下骨架 7 均为金属板, 这两个部件为第一橡胶 5提供硫化粘接表面, 并提供减振器的安装点。
如图 2所示, 上骨架 3上设有围绕丝杠螺母 1的环形刻度, 环形刻度标示丝杠螺母 1 的旋转角度与可调式橡胶减振器的刚度值的对应关系, 可调式橡胶减振器的刚度值为第一 橡胶 5的刚度和第二橡胶 6螺纹旋合的部分的刚度的总和, 即第一橡胶 5的刚度加上第二 橡胶 6与第一橡胶 5螺纹旋合的部分的刚度。 此为本发明的一种刚度调节显示方式, 通过 丝杠螺母 1的旋转角, 调节丝杠 4轴向行程, 间接调节第二橡胶 6的的轴向行程, 在第二 橡胶 6的轴向刚度曲线上找出该行程下的刚度值, 加上第一橡胶 5的刚度值, 即为减振器 的刚度, 其中, 第二橡胶 6的轴向刚度和行程之间的关系可以通过试验检测获得。
本发明可调式橡胶减振器的工作过程如下: 通过圆锥滚子轴承 2连接上骨架 3与丝杠 螺母 1, 利用圆锥滚子轴承 2的止推作用控制丝杠螺母 1的轴向活动。 旋动丝杠螺母 1, 旋 转力矩使丝杠 4转动, 使旋转运动转化为轴向运动; 同时在旋转力矩作用下, 带动第二橡 胶 6旋转, 第二橡胶 6通过与第一橡胶 5的配合螺纹, 也转化为轴向运动, 使第二橡胶 6 与第一橡胶 5的螺纹啮合牙数增加或减少, 其有效作用刚度发生改变, 同时在上骨架 3的 环形刻度上显示相应的刚度值。
本发明还提供一种车辆动力总成, 包括可调式橡胶减振器, 可调式橡胶减振器安装在 动力总成的支撑结构上。
以及, 一种车辆, 车辆包括车辆动力总成。
以上结合附图详细描述了本发明的优选实施方式, 但是, 本发明并不限于上述实施方 式中的具体细节, 在本发明的技术构思范围内, 可以对本发明的技术方案进行多种简单变 型, 这些简单变型均属于本发明的保护范围。
另外需要说明的是, 在上述具体实施方式中所描述的各个具体技术特征, 在不矛盾的 情况下, 可以通过任何合适的方式进行组合,。 为了避免不必要的重复, 本发明对各种可能 的组合方式不再另行说明。
此外, 本发明的各种不同的实施方式之间也可以进行任意组合, 只要其不违背本发明 的思想, 其同样应当视为本发明所公开的内容。

Claims

权利要求书
1、 一种可调式橡胶减振器, 其特征在于: 所述可调式橡胶减振器包括上骨架 (3)、 下骨架 (7)、 驱动装置、 第一橡胶 (5)和第二橡胶 (6); 所述上骨架 (3)、 第一橡胶 (5) 与下骨架 (7) 自上至下叠加且均开有上下贯通的通孔, 所述上骨架 (3 )、 第一橡胶 (5) 与下骨架 (7) 的通孔同轴设置; 所述第一橡胶 (5) 的通孔与所述第二橡胶 (6) 的外周壁 接触配合, 且所述第二橡胶 (6) 可相对所述第一橡胶 (5) 轴向移动, 所述驱动装置与所 述第二橡胶 (6) 相连以驱动所述第二橡胶 (6) 相对于所述第一橡胶 (5) 轴向移动。
2、 根据权利要求 1所述的可调式橡胶减震器, 其特征在于, 所述第一橡胶 (5) 的通 孔具有内螺纹, 所述第二橡胶 (6) 的外侧设置有与所述内螺纹旋合的外螺纹。
3、 根据权利要求 2所述的可调式橡胶减震器, 其特征在于, 所述驱动装置包括丝杠 螺母 (1 )和丝杠 (4), 所述丝杠螺母 (1 ) 可旋转地安装于所述上骨架 (3) 的通孔; 所述 丝杠 (4) 上部通过螺纹旋合于所述丝杠螺母 (1 ) 内且所述丝杠 (4)下端与所述第二橡胶 (6) 固定连接。
4、 根据权利要求 3所述的可调式橡胶减振器, 其特征在于: 所述丝杠螺母 (1 )通过 圆锥滚子轴承 (2) 可旋转地安装于所述上骨架 (3)。
5、 根据权利要求 4所述的可调式橡胶减振器, 其特征在于: 所述圆锥滚子轴承 (2) 为双列圆锥滚子轴承。
6、根据权利要求 3-5中任一项所述的可调式橡胶减振器, 其特征在于: 所述丝杠螺母 ( 1 ) 的顶部设置有法兰并通过该法兰轴向地止挡于所述上骨架 (3)。
7、根据权利要求 3-6中任一项所述的可调式橡胶减振器, 其特征在于: 所述丝杠(4) 具有用于与所述丝杠螺母(1 )螺纹旋合的螺纹部和用于连接所述第二橡胶(6) 的连接部, 所述连接部具有大于所述螺纹部的截面尺寸。
8、根据权利要求 3-7中任一项所述的可调式橡胶减振器, 其特征在于: 所述第二橡胶 (6) 下端固定有配重块 (8)。
9、根据权利要求 3-8中任一项所述的可调式橡胶减振器,其特征在于:所述上骨架(3) 和下骨架 (7) 均为金属板。
10、 根据权利要求 3-9中任意一项所述的可调式橡胶减振器, 其特征在于: 所述上骨 架 (3) 上设有围绕所述丝杠螺母 (1 ) 的环形刻度, 所述环形刻度标示所述丝杠螺母 (1 ) 的旋转角度与所述可调式橡胶减振器的刚度值的对应关系, 所述可调式橡胶减振器的刚度 值为所述第一橡胶 (5) 的刚度和所述第二橡胶 (6) 螺纹旋合的部分的刚度的总和。
11、一种车辆动力总成, 其特征在于, 所述车辆动力总成包括根据权利要求 1-10中任 意一项所述的可调式橡胶减振器, 所述可调式橡胶减振器安装在动力总成的支撑结构上。
12、 一种车辆, 其特征在于, 所述车辆包括权利要求 11所述的车辆动力总成。
PCT/CN2014/071477 2013-08-30 2014-01-26 可调式橡胶减振器及具有其的车辆动力总成、车辆 WO2015027684A1 (zh)

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