CN103089885B - Combined cylinder single rod-out magnetorheological damper - Google Patents
Combined cylinder single rod-out magnetorheological damper Download PDFInfo
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- CN103089885B CN103089885B CN201310031949.3A CN201310031949A CN103089885B CN 103089885 B CN103089885 B CN 103089885B CN 201310031949 A CN201310031949 A CN 201310031949A CN 103089885 B CN103089885 B CN 103089885B
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- Prior art keywords
- slave cylinder
- clutch release
- release slave
- piston
- cylinder body
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- 238000013016 damping Methods 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims description 21
- 239000000696 magnetic material Substances 0.000 claims description 6
- 230000035699 permeability Effects 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract 2
- 230000005672 electromagnetic field Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
Abstract
The invention discloses a combined cylinder single rod-out magnetorheological damper which comprises a piston, a piston rod, a working cylinder and a compensation air bag, wherein the working cylinder is composed of a working cylinder body, two identical slide damping blocks, an adjusting threaded rod and two end covers, the working cylinder body is cylindrical, two symmetrical grooves which are shaped like isosceles trapezoids in the axial direction are formed in the inner circumferential wall of the working cylinder body, and the two damping blocks are mounted in the two grooves of the inner circumferential wall of the working cylinder body; one end of the adjusting threaded rod penetrates through threaded through holes of the slide damping blocks and is mounted on one end cover, and the other end of the adjusting threaded rod penetrates through an adjusting hole on the other end cover and stretches out from the working cylinder; the piston is in a circular cylinder shape, a magnet exciting coil is wound in the middle of the piston, the external diameter of the piston is smaller than the internal diameter of the working cylinder, and a flow gap of magnetorheological fluids is reserved; and the piston rod is provided with a center through hole, an outgoing line of the magnet exciting coil passes through the center through hole of the piston rod and is guided to the outside of the working cylinder, the compensation air bag is fixed at the bottom inside the working cylinder, and the magnetorheological fluids are filled in the working cylinder.
Description
Technical field
The invention belongs to a kind of MR damper, be specifically related to a kind of combination jars single outstretch pole magnetorheological damper.
Background technique
MR damper is a kind of intelligent vibration damping device, the structure of common MR damper installs piston in clutch release slave cylinder, and magnetic flow liquid is filled with in clutch release slave cylinder, the electromagnetic field intensity being applied to magnetic flow liquid in clutch release slave cylinder is adjusted by controlling power supply, the viscosity of magnetic flow liquid in clutch release slave cylinder is changed, thus make the magnetic flow liquid in clutch release slave cylinder can obtain different damping forces when being pressed through the working clearance between piston outer periphery wall from clutch release slave cylinder inner circle wall, as: Chinese Patent Application No. is: the magnetic rheological liquid vibration-damper for automobile of 02223125.0, because the working clearance in this kind of MR damper between piston outer periphery wall and clutch release slave cylinder inner circle wall is certain value, so the regulation range of its damping force is difficult to expand, working clearance in this kind of MR damper between cylindrical piston and clutch release slave cylinder is constant, the size of its damping force can only power supply carries out regulating by controlling, the regulation range of its damping force is difficult to expand, and combination jars single outstretch pole magnetorheological damper of the present invention not only can regulate its damping force by controlling power supply, can also by the gap width that adjustment clutch release slave cylinder slides between damping fin and trapezoidal groove, the size of the damp channel that the magnetic flow liquid in clutch release slave cylinder is flowed changes, and make damping force during its work obtain larger expansion.
Summary of the invention
Can not regulate for the working clearance in common MR damper between piston outer periphery wall and clutch release slave cylinder inner circle wall, its damping force regulation range is made to be difficult to the deficiency expanded, the present invention proposes a kind of novel MR damper, that is: a combination jars single outstretch pole magnetorheological damper, technological scheme of the present invention is as follows:
A kind of combination jars single outstretch pole magnetorheological damper, it comprises piston, piston rod, clutch release slave cylinder and compensation air bag, wherein: clutch release slave cylinder is made up of clutch release slave cylinder body, two pieces of identical slip damping blocks, adjustment screw rod and two end caps, clutch release slave cylinder body is cylindrical shape, have the groove of the through clutch release slave cylinder body of two identical symmetries in the axis of clutch release slave cylinder body inner circle wall, groove is isosceles trapezoid in the axis of clutch release slave cylinder body inner circle wall, the shape of slip damping block is identical with the shape of groove, the thickness of slip damping block is identical with the degree of depth of groove, the width on the narrow limit of slip damping block is equal with the width on the narrow limit of groove, the length of slip damping block is less than the length of groove, slip damping block has a tapped through hole at length direction, two pieces of slip damping blocks are arranged in two grooves of clutch release slave cylinder body respectively, the length of adjustment screw rod is greater than the length of slip damping block, one end of adjustment screw rod is arranged on an end cap in clutch release slave cylinder through the tapped through hole of slip damping block, the other end of adjustment screw rod stretches out in clutch release slave cylinder through the adjusting hole on another end cap, two end caps are separately fixed at the two ends of clutch release slave cylinder body, one of them end cap has center hole, seal arrangement and sliding bearing are installed in center hole, respectively have an adjusting hole at the two ends of another end cap diameter, seal arrangement and bearing are installed in adjusting hole, piston is cylindrical, is wound with field coil, outside field coil, adds protective layer at the middle part of piston, and protective layer flushes with the periphery wall of piston, and the external diameter of piston is less than the internal diameter of clutch release slave cylinder and leaves the flow clearance of magnetic flow liquid, piston rod has central through bore, and one end and the piston of piston rod are fixed, and the other end of piston rod is stretched out in clutch release slave cylinder by the seal arrangement of clutch release slave cylinder one end and sliding bearing, and the lighting outlet of field coil leads to outside clutch release slave cylinder by the central through bore of piston rod, compensation air bag is fixed on the bottom in clutch release slave cylinder, piston is arranged in clutch release slave cylinder, in clutch release slave cylinder, be filled with magnetic flow liquid.Clutch release slave cylinder body and slip damping block are made up of permeability magnetic material.
After taking technique scheme, the working clearance between clutch release slave cylinder inner carrier and clutch release slave cylinder is made to change into a variable from a definite value, combination jars single outstretch pole magnetorheological damper of the present invention is not when adjusting the position of slip damping block, similar with the working condition of common single outstretch pole magnetorheological damper, when being adjusted two pieces of slip damping blocks on clutch release slave cylinder inner circle wall by regulating lever when the diverse location of clutch release slave cylinder inner circle wall trapezoidal groove, the flow channel of four extra magnetic flow liquids can be formed in the axis of clutch release slave cylinder inner circle wall (that is: on the flow direction of magnetic flow liquid), therefore, by the gap width that adjustment clutch release slave cylinder slides between damping block and clutch release slave cylinder inner circle wall trapezoidal groove, make the magnetic flow liquid in clutch release slave cylinder not only can along the Clearance Flow between piston outer periphery wall and clutch release slave cylinder inner circle wall, but also can by the channel flow of clutch release slave cylinder sliding between damping block and clutch release slave cylinder inner circle wall trapezoidal groove, thereby increase the flow channel of magnetic flow liquid in clutch release slave cylinder, because clutch release slave cylinder body and slip damping block are made up of permeability magnetic material, so, the intensity of the electromagnetic field in the gap between piston outer periphery wall and clutch release slave cylinder inner circle wall is maximum, make the effect that the magnetic flow liquid along the flowing of clutch release slave cylinder inner circle wall axial passage also will be subject to piston and generates an electromagnetic field, the adjustment range of the work damping force of combination jars single outstretch pole magnetorheological damper is expanded.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention, is also the schematic diagram of slip damping block when home position.
Fig. 2 be Fig. 1 A-A to sectional view.
Fig. 3 be in Fig. 1 clutch release slave cylinder B-B to sectional view.
Fig. 4 is the schematic diagram of the present invention when working, and is also the schematic diagram after slip damping block leaves home position.
Fig. 5 be Fig. 4 A-A to sectional view.
Fig. 6 be in Fig. 4 clutch release slave cylinder B-B to sectional view.
Fig. 7 is slip damping block in the present invention on clutch release slave cylinder schematic diagram when adjusting to maximum position.
Fig. 8 be Fig. 7 A-A to sectional view.
Fig. 9 be in Fig. 7 clutch release slave cylinder B-B to sectional view.
Embodiment
Structure of the present invention is described in detail below in conjunction with accompanying drawing:
See Fig. 1, Fig. 2, Fig. 3, this is a kind of concrete structure of the present invention, a kind of combination jars single outstretch pole magnetorheological damper, it comprises piston 22, piston rod 18, clutch release slave cylinder 9 and compensates air bag 6, wherein: clutch release slave cylinder 9 is made up of the identical slip damping block 4 of clutch release slave cylinder body 9, two pieces, adjustment screw rod 2, end cap 15 and end cap 26, the clutch release slave cylinder body 9 be made up of permeability magnetic material is cylindrical shape, have the groove 3 of the through clutch release slave cylinder body 9 of two identical symmetries in the axis of clutch release slave cylinder body 9 inner circle wall, groove 3 is isosceles trapezoid in the axis of clutch release slave cylinder body 9 inner circle wall, the shape of the slip damping block 4 be made up of permeability magnetic material is identical with the shape of groove 3, the thickness of slip damping block 4 is identical with the degree of depth of groove 3, the width on the narrow limit of slip damping block 4 is equal with the width on the narrow limit of groove 3, the length of slip damping block 4 is less than the length of groove 3, slip damping block 4 has a tapped through hole 8 at length direction, two pieces of slip damping blocks 4 are arranged in two grooves 3 of clutch release slave cylinder body 9 respectively, the length of adjustment screw rod 2 is greater than the length of slip damping block 4, one end of adjustment screw rod 2 is arranged on the bearing 14 of end cap 15 through the tapped through hole 8 of slip damping block 4, the other end of adjustment screw rod 2 stretches out in clutch release slave cylinder 9 through the seal arrangement in the adjusting hole 23 at end cap 26 two ends and bearing 1, end cap 15 and end cap 26 are separately fixed at the two ends of clutch release slave cylinder body 9, end cap 15 wherein has center hole 24, seal arrangement 16 and sliding bearing 17 are installed in center hole 24, respectively have an adjusting hole 23 at the two ends of end cap 26 diameter, seal arrangement and bearing 1 are installed in adjusting hole 23, piston 22 is cylindrical, field coil 12 is wound with at the middle part of piston 22, outside field coil 12, add protective layer 11, protective layer 11 flushes with the periphery wall of piston 22, and the external diameter of piston 22 is less than the internal diameter of clutch release slave cylinder 9 and leaves the flow clearance 10 of magnetic flow liquid 7, piston rod 18 has central through bore 19, one end and the piston 22 of piston rod 18 are fixed, the other end of piston rod 18 is stretched out in clutch release slave cylinder 9 by the seal arrangement 16 of clutch release slave cylinder 9 one end and sliding bearing 17, the lighting outlet 20 of field coil 12 by the central through bore 19 of the fairlead 13 on piston 22, piston rod 18 lead to clutch release slave cylinder 9 outer with control power supply 21 and be connected, compensation air bag 6 is fixed on the bottom in clutch release slave cylinder 9, is filled with the gas 5 of certain pressure in compensation air bag 6, piston 22 is arranged in clutch release slave cylinder 9, is filled with magnetic flow liquid 7 in clutch release slave cylinder 9.
Combination jars single outstretch pole magnetorheological damper working condition is such: see Fig. 1 to Fig. 6, when combination jars single outstretch pole magnetorheological damper of the present invention slip damping block 4 be in home position time (referring to: Fig. 1 to Fig. 3), combination jars single outstretch pole magnetorheological damper can by control power supply 21 adjust the damping force that it exports in good time, combination jars single outstretch pole magnetorheological damper now and common single outstretch pole magnetorheological damper working condition similar.
When the diverse location being regulated two pieces of slip damping blocks 4 on clutch release slave cylinder 9 by regulating lever 2 on clutch release slave cylinder 9 inner circle wall upper trapezoid groove 3, the passage 25(that can form the flowing of four magnetic flow liquids in the axis of the inner circle wall of clutch release slave cylinder 9 refers to: Fig. 4 to Fig. 6), therefore, by (gap) passage 25 width that adjustment clutch release slave cylinder 9 slides between damping block 4 and trapezoidal groove 3, magnetic flow liquid 7 in clutch release slave cylinder 9 not only can be flowed along the gap 10 between piston 22 periphery wall and clutch release slave cylinder 9 inner circle wall, but also can be flowed by the passage 25 clutch release slave cylinder 9 slided between damping block 4 and clutch release slave cylinder 9 inner circle wall upper trapezoid groove 3, thereby increase the flow channel of magnetic flow liquid 7 in clutch release slave cylinder 9, because clutch release slave cylinder body 9 and slip damping block 4 are made up of permeability magnetic material, so, the intensity of the electromagnetic field in the gap 10 between piston 22 periphery wall and clutch release slave cylinder 9 inner circle wall is maximum, make the effect that the magnetic flow liquid 7 along the flowing of clutch release slave cylinder 9 inner circle wall axial passage 25 also will be subject to piston 22 and generates an electromagnetic field, the adjustment range of the work damping force of combination jars single outstretch pole magnetorheological damper is expanded.
Claims (1)
1. a combination jars single outstretch pole magnetorheological damper, it comprises piston, piston rod, clutch release slave cylinder and compensation air bag, it is characterized in that: described clutch release slave cylinder is made up of clutch release slave cylinder body, two pieces of identical slip damping blocks, adjustment screw rod and two end caps, clutch release slave cylinder body is cylindrical shape, have the groove of the through clutch release slave cylinder body of two identical symmetries in the axis of clutch release slave cylinder body inner circle wall, groove is isosceles trapezoid in the axis of clutch release slave cylinder body inner circle wall, the shape of slip damping block is identical with the shape of groove, the thickness of slip damping block is identical with the degree of depth of groove, the width on the narrow limit of slip damping block is equal with the width on the narrow limit of groove, the length of slip damping block is less than the length of groove, slip damping block has a tapped through hole at length direction, two pieces of slip damping blocks are arranged in two grooves of clutch release slave cylinder body respectively, the length of adjustment screw rod is greater than the length of slip damping block, one end of adjustment screw rod is arranged on an end cap in clutch release slave cylinder through the tapped through hole of slip damping block, the other end of adjustment screw rod stretches out in clutch release slave cylinder through the adjusting hole on another end cap, two end caps are separately fixed at the two ends of clutch release slave cylinder body, one of them end cap has center hole, seal arrangement and sliding bearing are installed in center hole, respectively have an adjusting hole at the two ends of another end cap diameter, seal arrangement and bearing are installed in adjusting hole, described piston is cylindrical, is wound with field coil, outside field coil, adds protective layer at the middle part of piston, and protective layer flushes with the periphery wall of piston, and the external diameter of piston is less than the internal diameter of clutch release slave cylinder and leaves the flow clearance of magnetic flow liquid, described piston rod has central through bore, one end and the piston of piston rod are fixed, the other end of piston rod is stretched out in clutch release slave cylinder by the seal arrangement of clutch release slave cylinder one end and sliding bearing, and the lighting outlet of field coil leads to outside clutch release slave cylinder by the central through bore of the fairlead on piston, piston rod, described compensation air bag is fixed on the bottom in clutch release slave cylinder, described piston is arranged in clutch release slave cylinder, in clutch release slave cylinder, be filled with magnetic flow liquid, described clutch release slave cylinder body and slip damping block are made up of permeability magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310031949.3A CN103089885B (en) | 2013-01-29 | 2013-01-29 | Combined cylinder single rod-out magnetorheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310031949.3A CN103089885B (en) | 2013-01-29 | 2013-01-29 | Combined cylinder single rod-out magnetorheological damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103089885A CN103089885A (en) | 2013-05-08 |
| CN103089885B true CN103089885B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310031949.3A Active CN103089885B (en) | 2013-01-29 | 2013-01-29 | Combined cylinder single rod-out magnetorheological damper |
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| Country | Link |
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| CN (1) | CN103089885B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217630B (en) * | 2019-06-05 | 2020-10-02 | 长江大学工程技术学院 | Tension damper |
| CN110273962B (en) * | 2019-06-14 | 2024-02-02 | 嘉兴学院 | Disk type magneto-rheological damper capable of changing damping force through manual adjustment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0907843B1 (en) * | 1996-07-02 | 2001-08-01 | Lord Corporation | Controllable vibration apparatus |
| CN2551806Y (en) * | 2002-06-26 | 2003-05-21 | 重庆大学 | Magnetic rheological liquid vibration-damper for automobile |
| EP1724493A2 (en) * | 2005-05-17 | 2006-11-22 | Delphi Technologies, Inc. | Magnetorheological piston assembly and damper |
| CN102359537A (en) * | 2011-09-01 | 2012-02-22 | 谭晓婧 | Single-rod magneto-rheological grease damper |
| CN102788110A (en) * | 2012-08-17 | 2012-11-21 | 上海应用技术学院 | Dual-rod magnetorheological fluid damper and seal structure thereof |
| CN203130891U (en) * | 2013-01-29 | 2013-08-14 | 谢宁 | Combination cylinder single-output rod magneto-rheological damper |
-
2013
- 2013-01-29 CN CN201310031949.3A patent/CN103089885B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0907843B1 (en) * | 1996-07-02 | 2001-08-01 | Lord Corporation | Controllable vibration apparatus |
| CN2551806Y (en) * | 2002-06-26 | 2003-05-21 | 重庆大学 | Magnetic rheological liquid vibration-damper for automobile |
| EP1724493A2 (en) * | 2005-05-17 | 2006-11-22 | Delphi Technologies, Inc. | Magnetorheological piston assembly and damper |
| CN102359537A (en) * | 2011-09-01 | 2012-02-22 | 谭晓婧 | Single-rod magneto-rheological grease damper |
| CN102788110A (en) * | 2012-08-17 | 2012-11-21 | 上海应用技术学院 | Dual-rod magnetorheological fluid damper and seal structure thereof |
| CN203130891U (en) * | 2013-01-29 | 2013-08-14 | 谢宁 | Combination cylinder single-output rod magneto-rheological damper |
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| Publication number | Publication date |
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| CN103089885A (en) | 2013-05-08 |
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Address after: 400800 Chongqing District of Wansheng City Star Township North Village Xinchang agency Patentee after: Xie Ning Address before: 400700 Chongqing city Beibei District Three Longfeng Village No. 36-18-2 Patentee before: Xie Ning |
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Address after: 542899 No. 25 Jianshe Middle Road, the Guangxi Zhuang Autonomous Region, Hezhou Patentee after: Xie Ning Address before: 400800 Chongqing District of Wansheng City Star Township North Village Xinchang agency Patentee before: Xie Ning |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhu Ying Inventor before: Tan Heping Inventor before: Xie Ning Inventor before: Liu Qiang Inventor before: Tan Xiaojing |
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Effective date of registration: 20171220 Address after: 450000 Henan city of Zhengzhou province 27 District CAS No. 57 Hospital Road, building 2, No. 45 Patentee after: Zhu Ying Address before: 542899 No. 25 Jianshe Middle Road, the Guangxi Zhuang Autonomous Region, Hezhou Patentee before: Xie Ning |
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Effective date of registration: 20180620 Address after: 402368 dragon water Hardware Technology Park, Chongqing Dazu Industrial Park Patentee after: Chongqing Dazu integrity Machinery Factory Address before: 450000 45, 2 building, 57, Min An Road, 27 District, Zhengzhou, Henan. Patentee before: Zhu Ying |
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Effective date of registration: 20190626 Address after: 244002 Shizishan Development Zone, Tongling City, Anhui Province Patentee after: Tongling Jingte Machinery Co., Ltd. Address before: 402368 dragon water Hardware Technology Park, Chongqing Dazu Industrial Park Patentee before: Chongqing Dazu integrity Machinery Factory |