CN202914611U - Stiffness and damping united adjusting vibration-reducing device - Google Patents
Stiffness and damping united adjusting vibration-reducing device Download PDFInfo
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- CN202914611U CN202914611U CN 201220273876 CN201220273876U CN202914611U CN 202914611 U CN202914611 U CN 202914611U CN 201220273876 CN201220273876 CN 201220273876 CN 201220273876 U CN201220273876 U CN 201220273876U CN 202914611 U CN202914611 U CN 202914611U
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- 238000013016 damping Methods 0.000 title claims abstract description 37
- 239000006096 absorbing agent Substances 0.000 claims description 21
- 230000035939 shock Effects 0.000 claims description 21
- 239000000725 suspension Substances 0.000 claims description 20
- 230000008859 change Effects 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004630 mental health Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
Description
技术领域 technical field
本实用新型涉及车辆悬架系统领域,具体涉及车辆悬架系统的减振装置。 The utility model relates to the field of vehicle suspension systems, in particular to a vibration damping device of the vehicle suspension system. the
背景技术 Background technique
车辆行驶过程中,车辆系统的振动会造成乘员的不舒适,危害到乘员的身心健康,还会造成所承载货物和车辆本身结构部件的疲劳和破坏,影响车辆的耐久性和舒适性。因此,提供一个可有效衰减振动能量的减振装置对维护乘员身心健康、提高车辆耐久性等有很大帮助。 During the driving process of the vehicle, the vibration of the vehicle system will cause discomfort to the occupants, endanger the physical and mental health of the occupants, and also cause fatigue and damage to the loaded cargo and structural components of the vehicle itself, affecting the durability and comfort of the vehicle. Therefore, providing a vibration damping device that can effectively attenuate vibration energy is of great help to maintaining the physical and mental health of occupants and improving the durability of the vehicle. the
目前,车辆底盘减振装置多采用定刚度的螺旋弹簧和定阻尼的液压减振器作为减振元件,其刚度和阻尼是针对特定工况设计的,不能适应变化的行驶工况,而节流面积可调的液压减振器节流阀结构复杂,能量消耗大,且仅在几个水平上实现了阻尼可调,调节范围较窄,限制了车辆性能的进一步提高,依然难以适应车辆复杂多变的行驶工况,减振效果不理想。 At present, the vibration damping devices of the vehicle chassis mostly use coil springs with constant stiffness and hydraulic shock absorbers with constant damping as damping elements. The stiffness and damping are designed for specific working conditions and cannot adapt to changing driving conditions. The hydraulic shock absorber throttle valve with adjustable area has a complex structure and high energy consumption, and the damping can be adjusted only at several levels, and the adjustment range is narrow, which limits the further improvement of vehicle performance and is still difficult to adapt to the complex and diverse vehicles. The vibration reduction effect is not ideal due to changing driving conditions. the
实用新型内容 Utility model content
本实用新型所要解决的技术问题是克服上述缺陷,提供一种刚度和阻尼联合调节的减振装置。 The technical problem to be solved by the utility model is to overcome the above defects and provide a damping device with joint adjustment of stiffness and damping. the
本实用新型提供一种刚度和阻尼联合调节的减振装置,以带附加气室(4)的空气弹簧(11)为弹性元件,以磁流变减振器(3)为阻尼元件,空气弹簧上支架(12)与悬架上连接板(5)连接,空气弹簧下支架(15)与悬架底板(1)连接,磁流变减振器上支架(6)与悬架上连接板(5)铰接,磁流变减振器下支架(2)与悬架底板(1)铰接。其特征在于:所述空气弹簧(11)经定位控制阀(10)与附加气室(4)相连,所述磁流变减振器(3)与空气弹簧(11)并联。 The utility model provides a damping device with joint adjustment of stiffness and damping, which uses an air spring (11) with an additional air chamber (4) as an elastic element, a magneto-rheological shock absorber (3) as a damping element, and the air spring The upper bracket (12) is connected with the upper connecting plate (5) of the suspension, the lower bracket (15) of the air spring is connected with the suspension bottom plate (1), and the upper bracket (6) of the magneto-rheological shock absorber is connected with the upper connecting plate ( 5) Hinged, the magnetorheological shock absorber lower bracket (2) is hinged with the suspension bottom plate (1). It is characterized in that the air spring (11) is connected to the additional air chamber (4) through a positioning control valve (10), and the magneto-rheological shock absorber (3) is connected in parallel with the air spring (11). the
所述的刚度和阻尼联合调节的减振装置,其特征在于:空气弹簧(11)经高度控制阀(13)与供气系统(16)连接,高度控制阀(13)由控制杆(14)控制,控制杆(14)一端与高度控制阀(13)连接,另一端与悬架底板(1)铰接。 The damping device with joint adjustment of stiffness and damping is characterized in that: the air spring (11) is connected to the air supply system (16) through the height control valve (13), and the height control valve (13) is controlled by the control rod (14) Control, one end of the control rod (14) is connected with the height control valve (13), and the other end is hinged with the suspension base plate (1). the
所述的刚度和阻尼联合调节的减振装置,其特征在于:定位控制阀(10)的信号线(9)与控制器(8)的一个输出端口相接,磁流变减振器(3)中励磁线圈的导线(7)与控制器(8)的另一输出端口相接。 The damping device with joint adjustment of stiffness and damping is characterized in that: the signal line (9) of the positioning control valve (10) is connected to an output port of the controller (8), and the magneto-rheological shock absorber (3 ) The wire (7) of the excitation coil is connected with another output port of the controller (8). the
本实用新型所达到的有益效果:本实用新型的减振装置可实现刚度和阻尼联合调节,车辆在不同行驶工况下,空气弹簧和磁流变减振器协调配合,可达到较好的减振效果,提高车 辆对行驶工况的适应性,并且相对于传统减振装置,本实用新型的减振装置不需要机电控制阀,结构简单,能耗低。 The beneficial effects achieved by the utility model: the vibration damping device of the utility model can realize joint adjustment of stiffness and damping. The vibration effect can improve the adaptability of the vehicle to the driving conditions, and compared with the traditional vibration damping device, the vibration damping device of the utility model does not need an electromechanical control valve, has a simple structure and low energy consumption. the
附图说明 Description of drawings
图1为本实用新型的总体结构示意图。 Fig. 1 is the overall structure schematic diagram of the present utility model. the
图1中:1-悬架底板;2-磁流变减振器下支架;3-磁流变减振器;4-附加气室;5-悬架上连接板;6-磁流变减振器上支架;7-导线;8-控制器;9-信号线;10-定位控制阀;11-空气弹簧;12-空气弹簧上支架;13-高度控制阀;14-控制杆;15-空气弹簧下支架;16-供气系统。 In Fig. 1: 1-suspension bottom plate; 2-magnetorheological shock absorber lower bracket; 3-magnetorheological shock absorber; 4-additional air chamber; 5-suspension upper connecting plate; Vibrator upper bracket; 7-wire; 8-controller; 9-signal line; 10-positioning control valve; 11-air spring; 12-air spring upper bracket; 13-height control valve; 14-control rod; 15- Air spring lower bracket; 16-air supply system. the
具体实施方式 Detailed ways
参见图1,本实用新型的减振装置以带附加气室4的空气弹簧11为弹性元件,以磁流变减振器3为阻尼元件,空气弹簧11与磁流变减振器3并联设置在悬架上连接板5和悬架底板1之间。空气弹簧11经定位控制阀10与附加气室4相连,空气弹簧上支架12与悬架上连接板5连接,空气弹簧下支架15与悬架底板1连接,磁流变减振器上支架6与悬架上连接板5铰接,磁流变减振器下支架2与悬架底板1铰接。定位控制阀10的信号线9与控制器8的一个输出端口相接,通过控制器8控制定位控制阀10的输入电压,来改变空气弹簧11与附加气室4之间节流孔的开度,实现空气弹簧11刚度可调,磁流变减振器3中励磁线圈的导线7与控制器8的另一输出端口相接,由控制器8控制磁流变减振器3中励磁线圈的输入电流,来改变磁流变液粘度,实现磁流变减振器3阻尼可调。空气弹簧11经高度控制阀13与供气系统16连接,高度控制阀13由控制杆14控制,控制杆14一端与高度控制阀13连接,另一端与悬架底板1铰接,不同承载工况下,空气弹簧11的初始工作位置由高度控制阀13控制调整,当空气弹簧11处于压缩或拉伸状态时,高度控制阀13在控制杆14作用下开启其内的充气阀或排气阀,供气系统16向空气弹簧11充气或排气,当空气弹簧111恢复到其平衡位置,阀门关闭,这样可确保空气弹簧11的工作行程在其平衡位置附近,充分利用其刚度特性,并保证其工作稳定性。
Referring to Fig. 1, the damping device of the present invention uses an
以上所述仅是本实用新型的优选实施方式,对于本技术领域的普通技术人员来说,在不脱离本实用新型技术原理的前提下,还可以做出若干改进和变形,这些改进和变形也应视为本实用新型的保护范围。 The above is only a preferred embodiment of the utility model, for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and deformations can also be made, and these improvements and deformations are also It should be regarded as the protection scope of the present utility model. the
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110397692A (en) * | 2019-08-16 | 2019-11-01 | 青岛霍普莱特悬架技术有限公司 | An integrated protective air spring shock absorber with adjustable stiffness |
WO2021073653A1 (en) * | 2019-10-18 | 2021-04-22 | 安路普(北京)汽车技术有限公司 | Method and system for adjusting height and damping force |
CN113696689A (en) * | 2021-09-01 | 2021-11-26 | 江苏大学扬州(江都)新能源汽车产业研究所 | Rigidity multistage adjustable air suspension and control method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110397692A (en) * | 2019-08-16 | 2019-11-01 | 青岛霍普莱特悬架技术有限公司 | An integrated protective air spring shock absorber with adjustable stiffness |
WO2021073653A1 (en) * | 2019-10-18 | 2021-04-22 | 安路普(北京)汽车技术有限公司 | Method and system for adjusting height and damping force |
US11926188B2 (en) | 2019-10-18 | 2024-03-12 | Airlop (Beijing) Automotive Technology Co., Lt | Method and system for adjusting height and damping force |
CN113696689A (en) * | 2021-09-01 | 2021-11-26 | 江苏大学扬州(江都)新能源汽车产业研究所 | Rigidity multistage adjustable air suspension and control method thereof |
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Granted publication date: 20130501 Termination date: 20140612 |