CN105179567A - Single-rod variable-cylinder-body active single-control variable-damping magnetorheological damper - Google Patents

Single-rod variable-cylinder-body active single-control variable-damping magnetorheological damper Download PDF

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Publication number
CN105179567A
CN105179567A CN201510423939.3A CN201510423939A CN105179567A CN 105179567 A CN105179567 A CN 105179567A CN 201510423939 A CN201510423939 A CN 201510423939A CN 105179567 A CN105179567 A CN 105179567A
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cylinder
piston
working
variable
mounted
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CN201510423939.3A
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Chinese (zh)
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班书昊
李晓艳
华同曙
蒋学东
何云松
席仁强
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常州大学
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Priority to CN201510423939.3A priority Critical patent/CN105179567A/en
Publication of CN105179567A publication Critical patent/CN105179567A/en

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Abstract

The invention discloses a single-rod variable-cylinder-body active single-control variable-damping magnetorheological damper and belongs to the field of magnetorheological fluid instruments with the variable-damping vibration isolation function. The magnetorheological damper comprises a working cylinder body module, an imporous cylinder body cover, a porous cylinder body cover, a piston module, a working clearance, magnetorheological fluid and a power source. The working cylinder body module comprises a working cylinder inner core, a coil and an electric field shielding layer. The working cylinder inner core is a hollow cylinder, and the internal diameter of the working cylinder inner core linearly changes along the axis of the working cylinder inner core. The working clearance is the clearance between the outer circumferential wall of a piston and the inner circumferential wall of the working cylinder inner core and changes along with the position difference of the piston. The variable-damping magnetorheological damper is reasonable in structure and large in damping force adjusting range, the variable working clearance is achieved through a variable cylinder body, and fluid viscosity is controlled through the power source.

Description

单杆变缸体有源单控变阻尼磁流变阻尼器 Single rod cylinder becomes active single controlled variable damping magnetorheological damper

技术领域 FIELD

[0001] 本发明涉及变阻尼磁流变液仪器领域,特指一种单杆变缸体有源单控变阻尼磁流变阻尼器。 [0001] The present invention relates to the field variable damping MRF instrument, especially a single-lever control becomes active single variable damping cylinder magnetorheological damper.

背景技术 Background technique

[0002] 磁流变阻尼器是一种半主动减振仪器,广泛应用于汽车、桥梁、建筑等结构减振控制领域中,对结构减振具有重要的作用。 [0002] The MR damper is a semi-active damping device, widely used in the field of structural damping control cars, bridges, buildings and the like, has an important role in structural vibration. 现有的磁流变阻尼器通过外部磁场的施加,改变流体的黏度,使得磁流变液通过活塞外周壁与工作缸内周壁之间的工作间隙获得不同的阻尼力。 Conventional MR damper application of an external magnetic field, the fluid viscosity changes, so that the magnetorheological fluid to obtain different damping force through the working gap between the outer peripheral wall of the piston and the cylinder inner circumferential wall of the work. 现有的磁流变阻尼器虽然实现了变阻尼,但仍存在着一定的缺点:活塞外周壁与工作缸内周壁之间的工作间隙恒定,阻尼力的改变完全依赖于外部磁场的改变,故阻尼力的调节范围难以扩大。 Conventional MR damper of variable damping Although achieved, but there are still some drawbacks: the working gap between the outer peripheral wall of the cylinder and the circumferential wall of the working piston constant, changing the damping force change is totally dependent on an external magnetic field, so damping force adjustment range is difficult to expand.

发明内容 SUMMARY

[0003] 本发明需解决的技术问题是:针对现有技术存在的阻尼力调节范围有限等问题,本发明提供一种结构合理、采用变缸体实现变工作间隙、电源控制流体黏度、阻尼力调节范围极大的变阻尼磁流变阻尼器。 [0003] The present invention is a technical problem to be solved: a damping force for the adjustment of the prior art problems such as limited range, the present invention provides a rational structure, implemented with variable cylinder becomes the working gap, the viscosity of a fluid power control, the damping force great range of adjustment of variable damping magnetorheological damper.

[0004] 为了解决上述问题,本发明提出的解决方案为:单杆变缸体有源单控变阻尼磁流变阻尼器,它包括工作缸体模块、无孔缸体盖、有空缸体盖、活塞模块、工作间隙、磁流变液、电源。 [0004] In order to solve the above problems, the present invention is the solution proposed: single rod cylinder becomes active single controlled variable damping magnetorheological damper, comprising a cylinder block module, non-porous cylinder head, the cylinder free head, piston module, a working gap, MRF, power.

[0005] 所述工作缸体模块包括工作缸内芯、装设于所述工作缸内芯外圆周上的线圈、装设于所述线圈外部的电场屏蔽层。 The [0005] a cylinder of the cylinder block module comprising a core, a coil mounted on the outer circumference of the working cylinder core, mounted to said outer electric field shield coil.

[0006] 所述工作缸内芯为空心圆柱体,垂直于轴线的中部内径最大,两端内径最小,内径沿其轴线线性变化。 The [0006] core is a cylinder of a hollow cylinder, the inner diameter of the largest perpendicular to the central axis, the minimum inner diameter at both ends, an inner diameter varies linearly along its axis.

[0007] 所述无孔缸体盖、有空缸体盖装设于所述工作缸体模块的两端,所述活塞模块装设于所述工作缸体模块的内部;所述活塞模块包括活塞杆、装设于所述活塞杆左端的活塞、开设于所述活塞上对称分布的导向孔、两根平行于所述活塞杆通过所述导向孔装设于所述无孔缸体盖与有空缸体盖之间的导向杆;所述电源装设于所述有空缸体盖上,并通过导线与所述线圈相连;所述工作缸内芯、无孔缸体盖、有空缸体盖围成的封闭空间内充满所述磁流变液;所述活塞杆另一端通过密封装置、装设于轴承孔内的轴承,伸到所述工作缸体模块的外部。 [0007] The non-porous cylinder head, the cylinder cover is mounted on the free working ends of the cylinder block, the piston module is mounted inside the cylinder block module; said module comprises a piston a piston rod mounted to the left end of the piston rod, the guide hole opened on symmetrical distribution of the piston, the piston rod is mounted on two parallel through said guide hole of said cylinder head and nonporous Available guide bar between the cylinder head; the available power of the cylinder cover mounted to, and connected by a wire to the coil; the working cylinder core, cylinder head nonporous, free the magneto-rheological fluid filled in the cylinder cover closed space surrounded; outside the piston rod and the other end by a sealing means, a bearing mounted to the bearing hole, projecting into the cylinder block module.

[0008] 所述活塞将所述工作缸内芯分割为左右两部分,所述磁流变液通过工作间隙左、右流动;所述工作间隙为所述活塞的外周壁与所述工作缸内芯的内周壁之间的间隙,随所述活塞的位置不同而发生变化。 [0008] The piston inside of the cylinder core is divided into left and right parts of the magnetorheological fluid through the working gap left, right flow; the working gap to the outer circumferential wall of the working cylinder piston gap between the inner peripheral wall of the core, with a different position of the piston varies.

[0009]与现有技术相比,本发明的优点在于:本发明的单杆变缸体有源单控变阻尼磁流变阻尼器设有工作缸内芯和通电线圈,随活塞位置的改变,活塞外周壁与工作缸内芯内周壁之间的工作间隙发生改变。 [0009] Compared with the prior art, advantages of the present invention is: a single rod of the present invention becomes active single controlled variable cylinder damping magnetorheological damper is provided inside the cylinder core and the coil is energized, the piston position changes with , the outer peripheral wall of the piston and the working gap between the peripheral wall of the working cylinder core change. 由此可知,本发明结构合理、通过改变工作间隙和流体黏度共同实现变阻尼、拓展了阻尼力变化范围。 It can be seen, the present invention is reasonable structure, common variable damping achieved by varying the working gap and the viscosity of the fluid, the expansion damping force range.

附图说明 BRIEF DESCRIPTION

[0010] 图1是本发明的单杆变缸体有源单控变阻尼磁流变阻尼器的机构原理示意图。 [0010] FIG. 1 is a schematic view of the principle of the present invention a single lever controlled variable becomes active single damping mechanism MR damper cylinder.

[0011] 图2是图1的AA剖面图。 [0011] FIG. 2 is an AA sectional view of FIG. 1.

[0012] 图中,I一工作缸体模块;11 一工作缸内芯;12—线圈;13 —电场屏蔽层;2—无孔缸体盖;3—有空缸体盖;31—密封装置;32—轴承;33—轴承孔;4一活塞模块;41 一活塞;42—活塞杆;43—导向杆;44一导向孔;5—工作间隙;6—磁流变液;7—电源。 [0012] FIG, I a cylinder block module; 11 a working cylinder core; 12- coil; 13-- electric field shield layer; 2- nonporous cylinder head; 3- empty cylinder head; 31- sealing means ; 32- bearing; a bearing hole 33; a piston module 4; 41 a piston; 42- rod; guide bar 43; 44 a guide hole; 5- working gap; 6- MRF; 7- power.

具体实施方式 Detailed ways

[0013] 以下将结合附图和具体实施例对本发明作进一步详细说明。 [0013] Hereinafter, specific embodiments in conjunction with the accompanying drawings and described in further detail of the present invention.

[0014] 参见图1所示,本发明的单杆变缸体有源单控变阻尼磁流变阻尼器,包括工作缸体模块1、无孔缸体盖2、有空缸体盖3、活塞模块4、工作间隙5、磁流变液6、电源7 ;工作缸体模块I包括工作缸内芯11、装设于工作缸内芯11外圆周上的线圈12、装设于线圈12外部的电场屏蔽层13。 [0014] Referring to FIG. 1, a single cylinder rod of the present invention becomes active single controlled variable damping magnetorheological damper, comprising a working cylinder block 1, cylinder head 2 nonporous, free cylinder head 3, module 4 of the piston, the working gap 5, MRF 6, 7 power; I comprises a cylinder block module working cylinder core 11, a coil mounted on the outer circumference of the working cylinder 12 of the core 11, the coil 12 is mounted on the outside field shield layer 13.

[0015] 工作缸内芯11为空心圆柱体,垂直于轴线的中部内径最大,两端内径最小,内径沿其轴线线性变化;无孔缸体盖2和有空缸体盖3分别装设于工作缸体模块I的两端,活塞模块4装设于工作缸体模块I的内部;活塞模块4包括活塞杆42、装设于活塞杆42左端的活塞41、开设于活塞41上对称分布的导向孔44、两根平行于活塞杆42通过导向孔44装设于无孔缸体盖2与有空缸体盖3之间的导向杆43 ;电源7装设于有空缸体盖3上,并通过导线与线圈12相连; [0015] Working cylinder core 11 as a hollow cylinder, the inner diameter of the largest perpendicular to the central axis, the minimum inner diameter at both ends, an inner diameter varies linearly along the axis thereof; nonporous cylinder head 2 and cylinder head 3 are mounted free in I ends of the cylinder block module, the module 4 is mounted on the piston inside the cylinder block module I; module 4 comprises a piston rod 42 of the piston, the piston rod 42 is mounted on the left end of piston 41, piston 41 is defined in the distributed symmetrically the guide hole 44, the piston rod 42 by two parallel guide hole 44 is mounted to the cylinder head guide nonporous between the cylinder head 32 and the free lever 43; available power source 7 is mounted on the cylinder head 3 , and is connected by a wire to the coil 12;

[0016] 参见图1和图2所示,工作缸内芯11、无孔缸体盖2、有空缸体盖3围成的封闭空间内充满磁流变液6 ;活塞杆42另一端通过密封装置31、装设于轴承孔33内的轴承32,伸到工作缸体模块I的外部;活塞41将工作缸内芯11分割为左右两部分,磁流变液6通过工作间隙5左、右流动;工作间隙5为活塞41的外周壁与工作缸内芯11的内周壁之间的间隙,随活塞41的位置不同而发生变化。 [0016] Referring to FIGS. 2 and, inside the cylinder core 11, the non-porous cylinder head 2, 3 surrounded by a closed empty space filled with MRF cylinder head 61; the other end of the piston rod 42 sealing means 31, is mounted in the bearing hole 33 of the bearing 32, the cylinder block out into the external module I; piston 41 inside of the cylinder core 11 is divided into right and left parts, a left MRF through the working gap 65, Right flow; gap between the inner circumferential wall of the working gap 11 of the piston 5 and the outer peripheral wall 41 of the working cylinder core, with different positions of the piston 41 changes occur.

[0017] 变阻尼原理:工作缸内芯11的内径沿轴线线性变化,随着活塞41远离中间位置,活塞41的外周壁与工作缸内芯11的内周壁之间的间隙逐渐变小,磁流变液6的工作间隙5逐渐变小,阻尼力逐渐增加;电源7通过线圈12改变工作缸内芯11内部的磁场强度,磁流变液6的黏度发生变化,阻尼力随之改变。 [0017] The variable damping principle: a cylinder of an inner diameter of the core varies linearly along the axis 11, with the piston 41 away from the intermediate position, a gap between the inner circumferential wall of the piston inside the cylinder and the outer peripheral wall 11 of the core 41 becomes gradually smaller, the magnetic MRF 6 working gap 5 becomes gradually smaller, damping force is gradually increased; power supply 7 through the magnetic field intensity inside the coil 12 changes the inside of the cylinder core 11, the viscosity of the MRF 6 is changed, the damping force change.

Claims (1)

1.单杆变缸体有源单控变阻尼磁流变阻尼器,其特征在于:包括工作缸体模块(I)、无孔缸体盖⑵、有空缸体盖(3)、活塞模块(4)、工作间隙(5)、磁流变液(6)和电源(7);所述工作缸体模块(I)包括工作缸内芯(11)、装设于所述工作缸内芯(11)外圆周上的线圈(12)、装设于所述线圈(12)外部的电场屏蔽层(13);所述工作缸内芯(11)为空心圆柱体,垂直于轴线的中部内径最大,两端内径最小,内径沿其轴线线性变化;所述无孔缸体盖(2)和有空缸体盖(3)分别装设于所述工作缸体模块(I)的两端,所述活塞模块(4)装设于所述工作缸体模块(I)的内部;所述活塞模块(4)包括活塞杆(42)、装设于所述活塞杆(42)左端的活塞(41)、开设于所述活塞(41)上对称分布的导向孔(44)、两根平行于所述活塞杆(42)通过所述导向孔(44)装设于所述无孔缸体盖(2)与有空缸体盖(3)之间的导向杆(43);所述电源(7)装设 1. Single-cylinder becomes active single lever control variable damping magnetorheological damper comprising: a cylinder block module (the I), non-porous cylinder head ⑵, empty cylinder head (3), the piston module (4), the working gap (5), magnetorheological fluid (6) and a power supply (7); the cylinder block module (I) a core comprising a working cylinder (11), mounted in the working cylinder core (11) a coil (12) on the outer circumference, mounted to said coil (12) of the external electric field shield layer (13); the working cylinder core (11) is a hollow cylinder, the inner diameter perpendicular to the central axis the maximum, minimum diameter at both ends, an inner diameter which varies linearly along the axis; said nonporous cylinder head (2) and the empty cylinder head (3) are respectively mounted to both ends of the cylinder block module (I), and the piston module (4) mounted inside the cylinder block module (I); said piston module (4) comprises a piston rod (42), is mounted on the piston rod (42) of the left end of the piston ( 41), defines the guide hole (44) symmetrically distributed on to the piston (41), two parallel to the piston rod (42) (44) mounted in said cylinder head through said nonporous guide hole (2) the free guide rod cylinder head (43) between (3); said power supply (7) being provided with 所述有空缸体盖(3)上,并通过导线与所述线圈(12)相连;所述工作缸内芯(11)、无孔缸体盖(2)、有空缸体盖(3)围成的封闭空间内充满所述磁流变液(6);所述活塞杆(42)另一端通过密封装置(31)、装设于轴承孔(33)内的轴承(32),伸到所述工作缸体模块(I)的外部;所述活塞(41)将所述工作缸内芯(11)分割为左右两部分,所述磁流变液(6)通过工作间隙(5)左、右流动;所述工作间隙(5)为所述活塞(41)的外周壁与所述工作缸内芯(11)的内周壁之间的间隙,随所述活塞(41)的位置不同而发生变化。 The empty cylinder head (3), and connected by wires to the coil (12); the working cylinder core (11), non-porous cylinder head (2), free cylinder head (3 ) filled with the magnetorheological fluid (6) enclosed within the enclosed space; (42) the other end of the piston rod through the sealing means (31), mounted in a bearing hole (bearing (32) 33), extending to the outside of the cylinder block module (I); said piston (41) inside of the cylinder core (11) is divided into left and right parts of the magnetorheological fluid (6) through a working gap (5) left and right flow; gap between the inner circumferential wall of the working space (5) of the piston (41) of the outer peripheral wall and the inside of the cylinder core (11), with the position of the piston (41) different and change.
CN201510423939.3A 2015-07-19 2015-07-19 Single-rod variable-cylinder-body active single-control variable-damping magnetorheological damper CN105179567A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105316A (en) * 2017-12-15 2018-06-01 常州大学 Damping modulator based on fluid velocity decomposition effect

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990687A (en) * 1976-02-05 1976-11-09 Curnutt Charles R Shock absorber with controlled fluid bypass means
US6497309B1 (en) * 2001-08-13 2002-12-24 Delphi Technologies, Inc. Magneto-rheological damper with an external coil
CN2716585Y (en) * 2004-07-02 2005-08-10 北京工业大学 Clearance variable viscous damper
CN102141108A (en) * 2011-03-11 2011-08-03 王靖 External electromagnet retractable type magnetorheological damper
US8091692B2 (en) * 2003-03-03 2012-01-10 Massachusetts Institute Of Technology Fluid-filled cellular solids for controlled
CN203670578U (en) * 2013-12-24 2014-06-25 常州容大结构减振设备有限公司 Constant force viscous damper

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990687A (en) * 1976-02-05 1976-11-09 Curnutt Charles R Shock absorber with controlled fluid bypass means
US6497309B1 (en) * 2001-08-13 2002-12-24 Delphi Technologies, Inc. Magneto-rheological damper with an external coil
US8091692B2 (en) * 2003-03-03 2012-01-10 Massachusetts Institute Of Technology Fluid-filled cellular solids for controlled
CN2716585Y (en) * 2004-07-02 2005-08-10 北京工业大学 Clearance variable viscous damper
CN102141108A (en) * 2011-03-11 2011-08-03 王靖 External electromagnet retractable type magnetorheological damper
CN203670578U (en) * 2013-12-24 2014-06-25 常州容大结构减振设备有限公司 Constant force viscous damper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105316A (en) * 2017-12-15 2018-06-01 常州大学 Damping modulator based on fluid velocity decomposition effect

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