CN101709762B - Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface - Google Patents
Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface Download PDFInfo
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- CN101709762B CN101709762B CN200910194196.1A CN200910194196A CN101709762B CN 101709762 B CN101709762 B CN 101709762B CN 200910194196 A CN200910194196 A CN 200910194196A CN 101709762 B CN101709762 B CN 101709762B
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- rheologic
- oil hydraulic
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Abstract
The invention discloses a magnetic-rheologic rubber shock absorber with a corrugated cylindrical surface, comprising a shocking table frame, a supporting seat and a magnetic-rheologic shock absorber, wherein the magnetic-rheologic shock absorber is arranged between the shocking table frame and the supporting seat and comprises a hydraulic cylinder and a coil arranged in the hydraulic cylinder; magnetic-rheologic liquid is filled between a piston rod and a cylinder barrel of the hydraulic cylinder; a rubber block is padded between the cylinder barrel of the hydraulic cylinder and the shocking table frame; and the cylindrical surface of an upper piston head or a lower piston head of the piston rod of the hydraulic cylinder is in a corrugation shape. Compared with the prior art, the invention increases the damping force which can be provided by the shock absorber by replacing the smooth cylindrical surface of the piston head with a corrugated surface and can double or triple the efficiency of the traditional magnetic-rheologic shock-absorbing device.
Description
Technical field
The present invention relates to a kind of structure of vibration damping equipment, particularly relate to and use rheology technology to carry out vibration damping equipment.
Background technique
At present, the vibration damping equipment using in engineering machinery field is varied, the vibration damper that the utilization rheology technology that the magnetorheological rubber shock absorber of wherein take is representative reaches vibration damping object just because it can realize half ACTIVE CONTROL and damping constant adjustable extent is wide, the advantage such as low, the environmentally safe of fast response time, energy consumption becomes the main flow of vibration damping equipment gradually.Existing magnetorheological rubber shock absorber, generally comprise vibrating table frame, supporting base and be installed on the vibration damper between vibrating table frame and supporting base, vibration damper comprises oil hydraulic cylinder and is located at the coil in oil hydraulic cylinder, between the piston rod of oil hydraulic cylinder and cylinder barrel, be filled with magnetic flow liquid, the upper piston head of the piston rod of oil hydraulic cylinder and the cylndrical surface of lower piston head are smooth surface, the damping force that can provide is limited, and its working efficiency still needs further to be improved.
Summary of the invention
The object of this invention is to provide a kind of magnetic-rheologic rubber shock absorber with corrugated cylindrical surface, it can overcome the deficiency of existing vibration damping equipment, the efficiency of existing vibration damping equipment can be improved to 1 to 3 times.
Object of the present invention is realized by following technological scheme:
Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface, involving vibrations platform frame, supporting base and be installed on the magneto-rheological vibration damper between vibrating table frame and supporting base, magneto-rheological vibration damper comprises oil hydraulic cylinder and is located at the coil in oil hydraulic cylinder, between the piston rod of oil hydraulic cylinder and cylinder barrel, be filled with magnetic flow liquid, between the cylinder barrel of oil hydraulic cylinder and above-mentioned vibrating table frame, pad is provided with block rubber; The upper piston head of the piston rod of above-mentioned oil hydraulic cylinder or the cylndrical surface of lower piston head are corrugated.
Ripple on above-mentioned cylndrical surface is along the axial directional distribution of above-mentioned piston rod.
Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface, involving vibrations platform frame, supporting base and be installed on the magneto-rheological vibration damper between vibrating table frame and supporting base, magneto-rheological vibration damper comprises oil hydraulic cylinder and is located at the coil in oil hydraulic cylinder, between the piston rod of oil hydraulic cylinder and cylinder barrel, be filled with magnetic flow liquid, between the cylinder barrel of oil hydraulic cylinder and above-mentioned vibrating table frame, pad is provided with block rubber; The upper piston head of the piston rod of above-mentioned oil hydraulic cylinder and the cylndrical surface of lower piston head are corrugated.
Ripple on above-mentioned cylndrical surface is along the axial directional distribution of above-mentioned piston rod.
Ripple head number on the cylndrical surface of above-mentioned upper piston head and lower piston head is consistent.
The object that the stickiness power that in the oil hydraulic cylinder of magneto-rheological vibration damper, between piston rod and cylinder barrel, mutual motion need to overcome fluid provides damping force to reach vibration damping as system, and in the situation that passing to electric current, make the viscosity coefficient of the coil generation magnetic field change magnetic flow liquid in magneto-rheological vibration damper reach the object that changes damping force size.Compared with prior art, the present invention, by replace the light face of piston head cylndrical surface to improve the damping force that vibration damper can provide with corrugated surface, can improve 1 to 3 times by the efficiency of existing magnetic rheological vibration damper.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of piston rod in the present invention;
Fig. 3 is the upper piston head of piston rod in the present invention or the FAST plot of lower piston head.
Embodiment
Now the invention will be further described by reference to the accompanying drawings.
Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface of the present invention, as shown in Figure 1, 2, involving vibrations platform frame 1, supporting base 2 and be installed on vibrating table frame 1 and supporting base 2 between magneto-rheological vibration damper 3.
Magneto-rheological vibration damper 3 comprises oil hydraulic cylinder 31 and is located at the coil 32 in oil hydraulic cylinder 31, and oil hydraulic cylinder 31 comprises cylinder barrel 311 and piston rod 312, and magnetic flow liquid is filled with in the space between piston rod 312 and cylinder barrel 311.Magnetic flow liquid injects by two holes on base plate 7, and these two holes are by 71 sealings of taper pipe thread hexagonal socket head plug.Piston rod 312 is with the cooperation place of cylinder barrel 311 by 315 sealings of O RunddichtringO, and 7 of cylinder barrel 311 and base plates seal by O RunddichtringO 72.The two ends up and down of piston rod 312 are respectively equipped with upper piston head 313, lower piston head 314, between upper piston head 313 and lower piston head 314, are provided with annular groove 319, are used for winding around 32.The cylndrical surface of upper piston head 313 and lower piston head 314 is along the corrugated of the axial directional distribution of piston rod 312, and the ripple head number on the cylndrical surface of upper piston head 313 and lower piston head 314 is consistent.Piston rod 312 is hollow structure, and power line is introduced by hole 316, by the groove 317 of piston rod 312 inside, then is drawn and is connected to coil 32 by hole 318, for coil 32 provides power supply.
Lower piston head 314 is fixed together by screw thread and piston rod 312, by round nut 4, piston rod 312 and upper cover plate 5 are linked together, by crossed cylinder screw 6, cylinder barrel 311 and base plate 7 are linked together, 7 relative movement along vibration damper axial direction of upper cover plate 5 and base plate will make piston rod 312 and 311 of cylinder barrels have relative movement so simultaneously.
Between the periphery of cylinder barrel 311 and vibrating table frame 1, pad is provided with block rubber 33, and block rubber 33 plays a supportive role between upper cover plate 5 and cylinder barrel 311 bottom surfaces, and can bear certain shearing force.
Magneto-rheological vibration damper 3 links together by socket head screw 8 and vibrating table frame 1 and supporting base 2.
Claims (5)
1. magnetic-rheologic rubber shock absorber with corrugated cylindrical surface, involving vibrations platform frame, supporting base and be installed on the magneto-rheological vibration damper between vibrating table frame and supporting base, magneto-rheological vibration damper comprises oil hydraulic cylinder and is located at the coil in oil hydraulic cylinder, between the piston rod of oil hydraulic cylinder and cylinder barrel, be filled with magnetic flow liquid, between the cylinder barrel of oil hydraulic cylinder and above-mentioned vibrating table frame, pad is provided with block rubber; It is characterized in that: the upper piston head of the piston rod of above-mentioned oil hydraulic cylinder or the cylndrical surface of lower piston head are corrugated.
2. magnetic-rheologic rubber shock absorber with corrugated cylindrical surface according to claim 1, is characterized in that: the ripple on above-mentioned cylndrical surface is along the axial directional distribution of above-mentioned piston rod.
3. magnetic-rheologic rubber shock absorber with corrugated cylindrical surface, involving vibrations platform frame, supporting base and be installed on the magneto-rheological vibration damper between vibrating table frame and supporting base, magneto-rheological vibration damper comprises oil hydraulic cylinder and is located at the coil in oil hydraulic cylinder, between the piston rod of oil hydraulic cylinder and cylinder barrel, be filled with magnetic flow liquid, between the cylinder barrel of oil hydraulic cylinder and above-mentioned vibrating table frame, pad is provided with block rubber; It is characterized in that: the upper piston head of the piston rod of above-mentioned oil hydraulic cylinder and the cylndrical surface of lower piston head are corrugated.
4. magnetic-rheologic rubber shock absorber with corrugated cylindrical surface according to claim 3, is characterized in that: the ripple on above-mentioned cylndrical surface is along the axial directional distribution of above-mentioned piston rod.
5. magnetic-rheologic rubber shock absorber with corrugated cylindrical surface according to claim 3, is characterized in that: the ripple head number on the cylndrical surface of above-mentioned upper piston head and lower piston head is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910194196.1A CN101709762B (en) | 2009-11-20 | 2009-11-20 | Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910194196.1A CN101709762B (en) | 2009-11-20 | 2009-11-20 | Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709762A CN101709762A (en) | 2010-05-19 |
| CN101709762B true CN101709762B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910194196.1A Active CN101709762B (en) | 2009-11-20 | 2009-11-20 | Magnetic-rheologic rubber shock absorber with corrugated cylindrical surface |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011822B (en) * | 2010-10-20 | 2013-03-20 | 哈尔滨工程大学 | Hybrid vibration isolator |
| CN101975278B (en) * | 2010-11-04 | 2012-12-26 | 重庆大学 | Self-healing seal device based on magnetorheological rubber and magnetorheological grease and reciprocating mechanism |
| CN104179876A (en) * | 2014-08-12 | 2014-12-03 | 福建工程学院 | Bipolar corrugated plate magnetorheological damper |
| CN112178108B (en) * | 2020-10-22 | 2024-07-02 | 华侨大学 | Controllable hydraulic damper based on magnetorheological rubber |
| CN112984016B (en) * | 2021-04-30 | 2023-03-17 | 桐城市超越橡塑有限公司 | Shock-resistant rubber shock absorber for vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215272C (en) * | 2001-04-06 | 2005-08-17 | 华侨大学 | Disk-type electric rheological transmission mechanism with corrugated end face |
| CN101235864A (en) * | 2008-02-04 | 2008-08-06 | 华侨大学 | Shearing type MR fluid shock absorber |
| CN101429984A (en) * | 2008-12-01 | 2009-05-13 | 江阴强顺科技有限公司 | Hydraulic damper with excellent leak tightness |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331389A (en) * | 2000-07-05 | 2002-01-16 | 中国科学技术大学 | Radially self-pressurizing clutch with magnetic rheologic liquid |
-
2009
- 2009-11-20 CN CN200910194196.1A patent/CN101709762B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215272C (en) * | 2001-04-06 | 2005-08-17 | 华侨大学 | Disk-type electric rheological transmission mechanism with corrugated end face |
| CN101235864A (en) * | 2008-02-04 | 2008-08-06 | 华侨大学 | Shearing type MR fluid shock absorber |
| CN101429984A (en) * | 2008-12-01 | 2009-05-13 | 江阴强顺科技有限公司 | Hydraulic damper with excellent leak tightness |
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| Publication number | Publication date |
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| CN101709762A (en) | 2010-05-19 |
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