CN103267082A - Double-cylinder high-pressure magnetorheological shock absorber - Google Patents
Double-cylinder high-pressure magnetorheological shock absorber Download PDFInfo
- Publication number
- CN103267082A CN103267082A CN 201310174535 CN201310174535A CN103267082A CN 103267082 A CN103267082 A CN 103267082A CN 201310174535 CN201310174535 CN 201310174535 CN 201310174535 A CN201310174535 A CN 201310174535A CN 103267082 A CN103267082 A CN 103267082A
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- Prior art keywords
- clutch release
- slave cylinder
- release slave
- vibration damper
- fuel tank
- Prior art date
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- 230000035939 shock Effects 0.000 title abstract description 10
- 239000006096 absorbing agent Substances 0.000 title abstract description 6
- 238000013016 damping Methods 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 24
- 239000011261 inert gas Substances 0.000 claims abstract description 8
- 239000002828 fuel tank Substances 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 28
- 238000011084 recovery Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 2
- 210000004712 air sac Anatomy 0.000 abstract 4
- 230000003139 buffering effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 17
- 230000005672 electromagnetic field Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
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- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
A double-cylinder high-pressure magnetorheological shock absorber comprises a working cylinder, a connecting rod is arranged inside the working cylinder, a piston is arranged at the lower end of the connecting rod, a buffer block is arranged on the surface of the connecting rod, an oil storage cylinder is arranged outside the working cylinder, an air sac is arranged inside the oil storage cylinder, the periphery of the air sac is sealed, the air sac is filled with an inert gas, compression electromagnetic coils are arranged on the periphery of the bottom end of the working cylinder, recovering electromagnetic coils are arranged on the periphery of the top end of the working cylinder, and the working cylinder and the oil storage cylinder are filled with oil magnetorheological fluids. According to the double-cylinder high-pressure magnetorheological shock absorber, the air sac has a buffering effect on the magnetorheological fluids, electric fields are produced by the compression electromagnetic coils and the recovering electromagnetic coils during shocking, electromagnetic currents penetrate the magnetorheological fluids, the viscosity of the magnetorheological fluids is increased, and the fluidity is reduced, so that the damping effect is improved.
Description
Technical field
The present invention relates to the magnetorheological vibration damper of bitubular high pressure, it is a kind of vibration damper that utilizes electromagnetic field to produce electromagnetic damping, belongs to the vibration damper field.
Background technique
Vibrations when vibration damper is mainly used to suppress bounce-back after the spring shock-absorbing, and from the impact on road surface, vehicles such as automobile are through uneven road surface the time, though the shock-absorbing spring can filter the vibrations on road surface, but spring self also has to-and-fro motion, and vibration damper suppresses this spring and jumps.Vibration damper is too soft, and vehicle body will jump up and down, and vibration damper is too hard, will bring too big resistance, hinders the proper functioning of spring.
Bitubular high-pressure shock absorber is that a kind of damping oil that utilizes is about the clutch release slave cylinder inner carrier, and flow between oil storage cylinder and the clutch release slave cylinder, form certain damping force, reach damping, but will adorn a large amount of damping oils in such vibration damper, vibration damper weight is big, increase the vehicle body load-carrying, the damping force source of damping is single, loses efficacy easily, and perhaps damping effect is easy to reduce.
Summary of the invention
In order to solve the problem of above-mentioned existence, the invention discloses the magnetorheological vibration damper of a kind of bitubular high pressure, this vibration damper can effectively utilize electromagnetic field to produce damping force, strengthens damping effect.
The magnetorheological vibration damper of bitubular high pressure, comprise clutch release slave cylinder, be provided with connecting rod in the clutch release slave cylinder, the lower end of connecting rod is provided with piston, the outside of clutch release slave cylinder is provided with fuel tank, be provided with air bag between described fuel tank and the clutch release slave cylinder, the two ends of air bag and fuel tank welded seal are fixed, the air bag middle part is affixed to clutch release slave cylinder, be full of inert gas in the air bag, be provided with the compression electromagnetic coil around the bottom of clutch release slave cylinder, be provided with the recovery electromagnetic coil around the top, all be marked with magnetic flow liquid in clutch release slave cylinder and the fuel tank, the compression electromagnetic coil is drawn a guide line.
Be provided with damping between described compression electromagnetic coil and recovery electromagnetic coil and the clutch release slave cylinder and regulate oilhole and damping spiral stream guidance passage.
The two ends of described air bag are provided with setting sleeve, setting sleeve is installed in the store oil cylinder base, and fix with its welding, be provided with positioning seat between the store oil cylinder base, positioning seat is fitted in the outer surface of clutch release slave cylinder, positioning seat is provided with groove near around the clutch release slave cylinder bottom, is provided with outer jump ring in the groove, and air bag is being fixed in outer jump ring upper end.
Described fuel tank surface is provided with the air-filled pore that is passed in the air bag, the air-filled pore sealing.
The bottom of described clutch release slave cylinder is provided with the fuel tank support.
The surface of described connecting rod is provided with buffer stopper.
Described top is provided with guider, is provided with seal ring between guider and the fuel tank, is provided with dust-proof cover towards the middle part around the top of fuel tank.
The bottom of described clutch release slave cylinder is provided with compression valve and recuperation valve, and piston is provided with rebound valve and flowing valve.
The present invention, simple in structure, alleviated the own wt of vibration damper greatly, during use, pour high-pressure inert gas in the air bag, air bag is heaved, and takies the space in the part fuel tank, when vibration damper is compressed, the flow velocity that magnetic flow liquid in the clutch release slave cylinder enters fuel tank can be cushioned by air bag, strengthen damping effect, be conducive to accelerate the vibration damper compression after, state restores balance; When vibration damper was compressed or stretch, the compression electromagnetic coil produced magnetic field, and electromagnetic current passes magnetic flow liquid, magnetic flow liquid show high viscosity and lazy flow, also can strengthen damping effect.
Description of drawings
Fig. 1 is structural representation of the present invention,
Fig. 2 is compression electromagnetic coil and the recovery electromagnetic coil partial enlarged drawing of Fig. 1,
Fig. 3 is the structural representation of air bag,
Fig. 4 be the A of Fig. 3 to view,
Fig. 5 is the structural representation of store oil cylinder base,
Fig. 6 be the A of Fig. 5 to view,
Fig. 7 is the fixed relationship structural representation of store oil cylinder base and positioning seat,
Fig. 8 is the structural representation of fuel tank seat support,
Fig. 9 be the A of Fig. 8 to view,
Reference numerals list: 1-guider, 2-seal ring, 3-recovery electromagnetic coil, 4-dust-proof cover, 5-setting sleeve, 6-air bag, 7-fuel tank, 8-clutch release slave cylinder, 9-connecting rod, 10-buffer stopper, 11-rebound valve, 12-outer jump ring, 13-guide line, 14-compression valve, 15-recuperation valve, 16-compression electromagnetic coil, 17-piston, 18-flowing valve, 19-air-filled pore, 20-store oil cylinder base, oilhole, 22-damping spiral stream guidance passage, 23-positioning seat, 24-fuel tank support are regulated in 21-damping.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention.Should understand following embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention.Need to prove, word " preceding ", " back ", " left side ", " right side ", the "up" and "down" used are described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of specific features geometrical center.
By reference to the accompanying drawings as seen, the magnetorheological vibration damper of this bitubular high pressure, comprise clutch release slave cylinder 8, be provided with connecting rod 9 in the clutch release slave cylinder 8, the lower end of connecting rod 9 is provided with piston 17, the outside of clutch release slave cylinder 8 is provided with fuel tank 7, be provided with air bag 6 between described fuel tank 7 and the clutch release slave cylinder 8, the two ends of air bag 6 and fuel tank 7 welded seals are fixed, and air bag 6 middle parts are affixed to clutch release slave cylinder 8, are full of inert gas in the air bag 6, be provided with compression electromagnetic coil 16 around the bottom of clutch release slave cylinder 8, be provided with around the top and restore electromagnetic coil 3, all be marked with magnetic flow liquid in clutch release slave cylinder 8 and the fuel tank 7, compression electromagnetic coil 16 is drawn a guide line 13.The present invention, add magnetic flow liquid in clutch release slave cylinder 8 and the fuel tank 7, when vibration damper is given a shock, connecting rod 9 drives pistons 17 and moves up and down in clutch release slave cylinder 8, and magnetic flow liquid passes rebound valve 11 or the flowing valve 18 on the piston 17, and rebound valve 11 or 18 pairs of magnetic flow liquids of flowing valve mobile has damping force, realize damping, the mobile buffer function that plays of 10 pairs of magnetic flow liquids of buffer stopper strengthens damping effect, simultaneously, when vibration damper is given a shock, compression electromagnetic coil 16 and recovery electromagnetic coil 3 moments generation electric field form electromagnetic current, and electromagnetic current passes magnetic flow liquid, the viscosity of magnetic flow liquid raises, the mobile reduction makes connecting rod 9 and the speed that moves up and down of piston 17 reduce, and strengthens damping effect, after vibrations are eliminated, magnetic field disappears, and magnetic flow liquid viscosity reduces, the mobile enhancing.Charge into the inert gas of high pressure in the air bag 6, air bag 6 is heaved, and is taking space in the fuel tank 7, can reduce the injection amount of magnetic flow liquid in fuel tank 7, alleviates the weight of vibration damper, and flowing of magnetic flow liquid also played buffer function, strengthens damping effect.
Be provided with damping between described compression electromagnetic coil 16 and recovery electromagnetic coil 3 and the clutch release slave cylinder 8 and regulate oilhole 21 and damping spiral stream guidance passage 22.During vibration damper work, magnetic flow liquid is rented electromagnetic field, and it is big that viscosity becomes, mobile variation, and flow direction and the flowing velocity of oilhole 21 and damping spiral stream guidance passage 22 adjusting magnetic flow liquids regulated in damping.
The two ends of described air bag 6 are provided with setting sleeve 5, setting sleeve 5 is installed in the store oil cylinder base 20, and fix with its welding, be provided with positioning seat 23 between the store oil cylinder base 20 at air bag 6 two ends, positioning seat 23 is fitted in the outer surface of clutch release slave cylinder 8, positioning seat 23 is provided with groove near around clutch release slave cylinder 8 bottoms, is provided with outer jump ring 12 in the groove, and air bag 6 is being fixed in outer jump ring 12 upper ends.Setting sleeve 5 is weldingly fixed in the store oil cylinder base 20, makes air bag 6 form airtight inner space, and outer jump ring 12 is used for fixing setting sleeve 23, makes it can not inflate shift in position because of air bag 6.
Described fuel tank 7 surfaces are provided with the air-filled pore 19 that is passed in the air bag 6, after the manufacturing of this vibration damper is finished, charge into inert gas by air-filled pore 19 in air bag 6, after inflation is finished, air-filled pore 19 sealings are blocked.
The bottom of described clutch release slave cylinder 8 is provided with fuel tank support 24, and fuel tank support 24 makes more unobstructed magnetic flow liquid circulation passage between fuel tank 7 bottoms and the positioning seat 23.
The surface of described connecting rod 9 is provided with buffer stopper 10, and when connecting rod 9 moved up and down, buffer stopper 10 was alleviated the flowing velocity of magnetic flow liquid in the clutch release slave cylinder 8.
Described clutch release slave cylinder 8 tops are provided with guider 1, are provided with seal ring 2 between guider 1 and the fuel tank 7, and the top of fuel tank 7 is provided with dust-proof cover 4 all around towards the middle part.Guider 1 guiding vibration damper proper functioning, 4 pairs of vibration dampers of dust-proof cover play the effect of protection cleaning, prolong the life-span of vibration damper.
The bottom of described clutch release slave cylinder 8 is provided with compression valve 14 and recuperation valve 15, and piston 17 is provided with rebound valve 11 and flowing valve 18.
This vibration damper characteristics are air bags 6 that a seal space that forms with fuel tank 7 inwalls is housed in vibration damper, charge into high-pressure inert gas in the air bag 6, air bag 6 forms gas cylinder outside clutch release slave cylinder, make original sealed gas chamber volume increase to guarantee the air pressure stroke, and clutch release slave cylinder 8 need not fill it up with magnetic flow liquid with fuel tank 7 other positions, and (with the high-pressure shock absorber of floating piston: the clutch release slave cylinder inside connecting rod must be full of damping oil above depressing the back floating piston.) reduced and used oil mass.The flowing valve 18 and the rebound valve 11 that change channel cross-sectional area with its movement velocity size are housed on the working piston 17.When the wheel bob, move reciprocatingly in the working piston damping oil of vibration damper, make that to produce oil pressure between the epicoele of working piston 17 and the cavity of resorption poor, magnetic flow liquid is just pushed flowing valve 18 and rebound valve 11 open and is flowed back and forth.Because 11 pairs of pressure oils of flowing valve 18 and rebound valve produce bigger damping, make shock attenuation.Compare with original vibration damper, the magnetic flow liquid use amount reduces (having reduced cost of production), in the seal space that the pressurized gas position separates with air bag 6 between clutch release slave cylinder 8 and fuel tank 7, can not influence the use stroke (being fit to the high-pressure shock absorber with various patterns) of vibration damper, and air bag 6 is to be made by oil resistant rubber, itself just has good elasticity vibrations are had better absorption (travelling comfort of vehicle ride is increased greatly).
This vibration damper, with the internal magnetic circuit of clutch release slave cylinder 8 as the magnetic field generation, to compress electromagnetic coil 16 and to restore the external magnetic circuit that electromagnetic coil 3 takes place as magnetic field, the magnetic line of force passes through by clutch release slave cylinder 8 and compression electromagnetic coil 16 and restores the damping spiral stream guidance passage 22 that electromagnetic coil 3 is formed; Bring into play magnetic field more fully to the magnetic flow liquid effect: designed the air bag 6 that oil resistant rubber is made in the outside of clutch release slave cylinder 8, made and play buffer function in the vibration damper compression process and vibration damper is played the volume compensation effect.This vibration damper is under smaller tremors effect very, and the damping force of vibration damper just begins to change, and guarantees that the energy consumption of vibration damper is less.
Clutch release slave cylinder 8 and compression electromagnetic coil 16 and restore electromagnetic coil 3 junctions and be equipped with damping in the outer part and regulate oilhole 21 are so that the size that damping is regulated compression electromagnetic coil 16 when excessive or too small and restored electromagnetic coil 3 electromagnetic currents makes it to produce proper compression and recovery damping force.Compression electromagnetic coil 16 and recovery electromagnetic coil 3 outer walls and clutch release slave cylinder 8 contacting points arrange damping spiral stream guidance passage 22, damping spiral stream guidance passage 22 1 ports and the 21 corresponding connections of damping adjusting oilhole, magnetic flow liquid back on top bottom compression electromagnetic coil 16 and the 3 tops arrival of recovery electromagnetic coil and then through an other damping spiral stream guidance passage 22 by damping spiral stream guidance passage 22 and discharge outside the damping spiral stream guidance passage 22.
Magnetic flow liquid is a kind ofly to present low viscous Newtonian fluid characteristic under zero magnetic field condition; And under strong magnetic field action, then present the suspension of the Binghan bulk properties of high viscosity, lazy flow.Have stable corresponding relation because the rheology of magnetic flow liquid under magnetic field effect is shear yield strength and the magnetic intensity after moment, reversible and its rheology, so be a kind of intellectual material of of many uses, function admirable.Because magnetic flow liquid can produce powerful damping force, and the magnetic flow liquid vibration damper can be easy to change damping and the rigidity of shock mitigation system according to the vibration environment different adjustment magnetic intensity of outside, can reach the purpose of active damping.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technological scheme of being made up of above technical characteristics combination in any.
Claims (8)
1. the magnetorheological vibration damper of bitubular high pressure, comprise clutch release slave cylinder, be provided with connecting rod in the clutch release slave cylinder, the lower end of connecting rod is provided with piston, the outside of clutch release slave cylinder is provided with fuel tank, it is characterized in that being provided with air bag between described fuel tank and the clutch release slave cylinder, the two ends of air bag and fuel tank welded seal are fixed, the air bag middle part is affixed to clutch release slave cylinder, be full of inert gas in the air bag, be provided with the compression electromagnetic coil around the bottom of clutch release slave cylinder, be provided with the recovery electromagnetic coil around the top, all be marked with magnetic flow liquid in clutch release slave cylinder and the fuel tank, the compression electromagnetic coil is drawn a guide line.
2. the magnetorheological vibration damper of bitubular high pressure according to claim 1 is characterized in that described compression electromagnetic coil and restores being provided with damping adjusting oilhole and damping spiral stream guidance passage between electromagnetic coil and the clutch release slave cylinder.
3. the magnetorheological vibration damper of bitubular high pressure according to claim 1, the two ends that it is characterized in that described air bag are provided with setting sleeve, setting sleeve is installed in the store oil cylinder base, and fix with its welding, be provided with positioning seat between the store oil cylinder base, positioning seat is fitted in the outer surface of clutch release slave cylinder, and positioning seat is near being provided with groove around the clutch release slave cylinder bottom, be provided with outer jump ring in the groove, air bag is being fixed in outer jump ring upper end.
4. the magnetorheological vibration damper of bitubular high pressure according to claim 1 is characterized in that described fuel tank surface is provided with the air-filled pore that is passed in the air bag, the air-filled pore sealing.
5. the magnetorheological vibration damper of bitubular high pressure according to claim 1 is characterized in that the bottom of described clutch release slave cylinder is provided with the fuel tank support.
6. the magnetorheological vibration damper of bitubular high pressure according to claim 1 is characterized in that the surface of described connecting rod is provided with buffer stopper.
7. the magnetorheological vibration damper of bitubular high pressure according to claim 1 is characterized in that described clutch release slave cylinder top is provided with guider, is provided with seal ring between guider and the fuel tank, is provided with dust-proof cover towards the middle part around the top of fuel tank.
8. the magnetorheological vibration damper of bitubular high pressure according to claim 7 is characterized in that the bottom of described clutch release slave cylinder is provided with compression valve and recuperation valve, and piston is provided with rebound valve and flowing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310174535 CN103267082A (en) | 2013-05-13 | 2013-05-13 | Double-cylinder high-pressure magnetorheological shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310174535 CN103267082A (en) | 2013-05-13 | 2013-05-13 | Double-cylinder high-pressure magnetorheological shock absorber |
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| Publication Number | Publication Date |
|---|---|
| CN103267082A true CN103267082A (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310174535 Pending CN103267082A (en) | 2013-05-13 | 2013-05-13 | Double-cylinder high-pressure magnetorheological shock absorber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372936A (en) * | 2018-11-18 | 2019-02-22 | 刘山平 | A kind of Double-cylinder high-pressure magnetorheological shock absorber |
| CN110219927A (en) * | 2019-07-15 | 2019-09-10 | 连云港师范高等专科学校 | A kind of non axial component anti-drag device in antidetonation device bottom based on magnetorheological fluid |
-
2013
- 2013-05-13 CN CN 201310174535 patent/CN103267082A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372936A (en) * | 2018-11-18 | 2019-02-22 | 刘山平 | A kind of Double-cylinder high-pressure magnetorheological shock absorber |
| CN109372936B (en) * | 2018-11-18 | 2020-05-12 | 乐清海创智能科技有限公司 | Double-cylinder high-pressure magneto-rheological damper |
| CN110219927A (en) * | 2019-07-15 | 2019-09-10 | 连云港师范高等专科学校 | A kind of non axial component anti-drag device in antidetonation device bottom based on magnetorheological fluid |
| CN110219927B (en) * | 2019-07-15 | 2024-04-12 | 连云港师范高等专科学校 | Shock absorber bottom non-axial component force anti-drag device based on magnetorheological fluid |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20130828 |