CN201325315Y - Suspended vibration absorber with adjustable damping for engine - Google Patents
Suspended vibration absorber with adjustable damping for engine Download PDFInfo
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- CN201325315Y CN201325315Y CNU2008200869445U CN200820086944U CN201325315Y CN 201325315 Y CN201325315 Y CN 201325315Y CN U2008200869445 U CNU2008200869445 U CN U2008200869445U CN 200820086944 U CN200820086944 U CN 200820086944U CN 201325315 Y CN201325315 Y CN 201325315Y
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Abstract
The utility model provides a suspended vibration absorber with adjustable damping for an engine, and belongs to the field of suspended vibration absorbers. The suspended vibration absorber solves the problems of unreasonable electrode structural design and unstable vibration absorbing band frequency in the prior electrorheological hydraulic suspended vibration absorber of the engine. The suspended vibration absorber comprises a main spring component and a base component, wherein the main spring component and the base component create a sealed cavity, inside which vibration isolation mechanisms of an upper liquid chamber and a lower liquid chamber are arranged and comprise a pair of electrode components capable of being connected with a power source; an inertial channel body is fixed inside the cavity and provided with a channel at the center; a channel body inner core is fixed inside the channel via the electrode components; and a liquid passing channel communicating the electrorheological fluid inside the upper and the lower liquid chambers is formed between the inertial channel body and the channel body inner core. The vibration isolation mechanism of the suspended vibration absorber with adjustable damping for the engine has reasonable design, stable property, simple and compact integral structure as well as easy installation.
Description
Technical field
The utility model relates to the suspending shock-absorbing device field, especially relates to a kind of damping adjustable type engines suspending shock-absorbing device.
Background technology
Modern automobile just develops towards miniaturization, comfortableization, low cost and low noise direction.Driving engine is as a main vibration source, and its transmission of vibration approach is to be delivered to through suspending on vehicle frame or the vehicle body by dynamic assembly, and the vibration and the noise that therefore reduce driving engine to greatest extent are the keys of vehicle vibration damping and noise reduction to the transmission of vehicle body.Dynamic assembly suspension is as a critical elements in the transfer of vibration approach, vibration insulation and noise reduction to automobile is a very important link, its anti-vibration performance directly affects the vibration and the noise condition of automobile, to the normal operation and the life-span important influence of car comfort and automobile component.Hydraulic mount combines rubber damping and liquid-damped characteristic, performance is greatly improved than rubber mounting spare, its liquid that fills mostly is the compound of water and ethylene glycol, usually can only in a certain frequency limit, show the favorable damping performance, and can not in whole operating range, meet the demands, promptly can reduce the transmission of vibration rate of driving engine when the tickover by increasing damping, but simultaneously, because the transmission of vibration rate was unfavorable for the high frequency noise reduction when increase of damping had also strengthened high frequency.
In the last few years, automobile design develops to lighting and energy-conservation direction, thereby cause the transfer of vibration aggravation between driving engine and the vehicle body, the NVH characteristic of car load is worsened, make traditional passive suspending to satisfy vibration isolation requirement between engine vibration and vehicle frame well.For this reason, people have carried out various explorations, multiple solution has been proposed, for example Chinese patent literature discloses a kind of automotive engine electricity consumption rheology fluid shock absorber [application number: CN200410024616.9], feature is pair of electrodes to be housed the rectangle damp channel both sides between the epitrochoidal chamber up and down at shock absorber, by the lead external high voltage power supply, change electric field intensity between the electrode by the output voltage of regulating high tension supply, thereby change the current liquid viscosity, reach the rigidity of shock absorber and the purpose of damping adjustable size.Introduce driving engine electrorheological fluid hydraulic suspension shock attenuation unit, can isolate the transmission of vibration noise in car of driving engine very effectively.With traditional passive suspend to suspend with the active engine mount of other form such as piezoelectricity compare, active engine mount has can isolate the transmission of engine vibration and noise effectively in the frequency band of broad, especially the vibration during engine idle, reliable operation, under the situation that half active member lost efficacy, also have the advantages such as anti-vibration performance of passive hydraulic mount.
But the structure design of the vibration isolating mechanism, particularly electrode of driving engine electrorheological fluid hydraulic suspension shock attenuation unit commonly used is reasonable inadequately at present, influences the adjusting of electrorheological fluid to the rigidity and the damping size of shock absorber, vibration damping frequency band instability.And integral structure is comparatively complicated, the manufacturing cost height, and structure is compact inadequately, is difficult to Assembly ﹠Disassembly.
Summary of the invention
The purpose of this utility model is at the problems referred to above, and a kind of compact conformation is provided, and vibration isolating mechanism is reasonable in design, and stable performance can be isolated the engines damping-variable suspending shock-absorbing device of engine vibration and noise transfer effectively in the frequency band of broad.
For achieving the above object, the utility model has adopted following technical proposal: this damping adjustable type engines suspending shock-absorbing device, comprise main spring assembly and base assembly, main spring assembly and base assembly surround the sealed cavity of the electrorheological fluid of can packing into, in cavity, be provided with the vibration isolating mechanism that it is divided into upper liquid chamber and following liquid chamber, it is characterized in that, described vibration isolating mechanism comprises a pair of electrode assemblie that can be connected with the adjustable power supply of voltage, be top electrode assembly and bottom electrode assembly, the inertia channel body is fixed in the cavity, the center of this inertia channel body has a passage, electrode assemblie is fixed on a passage body inner core in the passage, and forms the mistake liquid passage of electrorheological fluid in the connection upper liquid chamber be separated by electrode assemblie and the following liquid chamber between inertia channel body and passage body inner core.
Electrorheological fluid is a kind of suspending fluid under usual conditions, and the transformation of liquid-solid can take place under effect of electric field for it.When extra electric field intensity was significantly less than certain critical value, electrorheological fluid was in a liquid state; When electric field intensity was much higher than this critical value, it just became solid-state; Near the critical value of electric field intensity, the astringency of this suspending fluid becomes big with the increase of electric field intensity.Vibration isolating mechanism reaches unanimity to each regional rigidity and damping size adjustment.The utility model utilizes electrode assemblie that inertia channel body and passage body inner core are fixed together, electrode assemblie can change the electrorheological fluid viscosity and then regulate the effect of rigidity and damping under the effect of power supply, integral structure is simple, compact, is easy to install, and can reduces manufacturing cost greatly.
In above-mentioned engines damping-variable suspending shock-absorbing device, described top electrode assembly comprises the polar circle that powers on that several line of centerss and passage body inner core line of centers coincide, each polar circle that powers on is fixed together by last link span, described bottom electrode assembly comprises the bottom electrode circle that several line of centerss and passage body inner core line of centers coincide, and each bottom electrode circle is fixed together by following link span; And each upper and lower electrode collar is interlaced to be arranged between inertia channel body and the passage body inner core, and spacing equates.
In above-mentioned engines damping-variable suspending shock-absorbing device, described each powers on and is respectively equipped with an insulation back-up ring between polar circle and the following link span; Be respectively equipped with an insulation back-up ring between described each bottom electrode circle and the last link span.The insulation back-up ring is used to prevent the directly energising mutually of upper and lower electrode assemblie.
In above-mentioned engines damping-variable suspending shock-absorbing device, described main spring assembly comprises elasticity master's spring of a taper type, be provided with a barrel-contoured main spring skeleton in this elasticity master spring, be embedded with synthetic skeleton, on synthetic skeleton, be connected with bolt on elasticity master spring top.
In above-mentioned engines damping-variable suspending shock-absorbing device, described base assembly comprises the base of a rigidity, and this base is fixed on the main spring assembly, is fixed with a hypoglyph between base and the main spring assembly, is connected with bolt on base.More particularly, cavity is surrounded by elasticity master spring, main spring skeleton and counterdie.
In above-mentioned engines damping-variable suspending shock-absorbing device, described upper and lower electrode collar and upper and lower link span are made by conductive material, last link span extremely links to each other with one of external source by lead, and following link span extremely links to each other by another of lead and external source.
In above-mentioned engines damping-variable suspending shock-absorbing device, described main spring skeleton has a collar that is used for fixing the inertia channel body, be provided with a lead block of making by insulating material between described collar and the inertia channel body, in the lead block, have and be used for wire guide that the lead that is connected on the electrode assemblie is drawn.The lead that is connected on the electrode assemblie can be drawn by the lead block.
In above-mentioned engines damping-variable suspending shock-absorbing device, described elasticity master's spring, insulation back-up ring, inertia channel body and passage body inner core are made by rubber.
In above-mentioned engines damping-variable suspending shock-absorbing device, the described link span of going up is fixed together by some one ends, and the other end is radial outward extending pipe link and constitutes; Following link span is fixed together by some one ends, and the other end is radial outward extending pipe link and constitutes.
In above-mentioned engines damping-variable suspending shock-absorbing device, upper and lower link span is fixed together inertia channel body and passage body inner core by screw respectively.
Compared with prior art, the advantage of this engines damping-variable suspending shock-absorbing device is: 1, vibration isolating mechanism is reasonable in design, and stable performance can be isolated engine vibration and noise transfer effectively in the frequency band of broad.2, the electrode collar of electrode assemblie formed the liquid passage with the separated by spaces between inertia channel body and the passage body inner core, and the interval between the electrode collar is even, the absorption capacity balance of each several part.3, integral structure is simple, compact, is easy to install.
Description of drawings
Fig. 1 is the cutaway view of the engines damping-variable suspending shock-absorbing device that provides of the utility model.
Fig. 2 is the cutaway view of vibration isolating mechanism in the engines damping-variable suspending shock-absorbing device that provides of the utility model.
Fig. 3 is the attached view of vibration isolating mechanism in the engines damping-variable suspending shock-absorbing device that provides of the utility model.
Among the figure, main spring assembly 2, main spring skeleton 20, collar 20a, elasticity master's spring 21, synthetic skeleton 22, base assembly 3, base 31, counterdie 32, upper liquid chamber 41, down liquid chamber 42, vibration isolating mechanism 5, top electrode assembly 61, the polar circle 61a that powers on, go up link span 61b, bottom electrode assembly 62, bottom electrode circle 62a, down link span 62b, pipe link 60, inertia channel body 7, passage 71, passage body inner core 8, cross liquid passage 9, insulation back-up ring 10, bolt 11.
The specific embodiment
As shown in Figure 1, damping adjustable type engines suspending shock-absorbing device, comprise main spring assembly 2 and base assembly 3, main spring assembly 2 and base assembly 3 surround the sealed cavity of the electrorheological fluid of can packing into, are provided with the vibration isolating mechanism 5 that it is divided into upper liquid chamber 41 and following liquid chamber 42 in cavity.Main spring assembly 2 comprises elasticity master's spring 21 of a taper type, is provided with a barrel-contoured main spring skeleton 20 in this elasticity master spring 21, is embedded with synthetic skeleton 22 on elasticity master spring 21 tops, is connected with bolt 11 on synthetic skeleton 22.Base assembly 3 comprises the base 31 of a rigidity, and this base 31 is fixed on the main spring assembly 2, is fixed with a hypoglyph 32 between base 31 and the main spring assembly 2, is connected with bolt 11 on base 31.Bolt 11 on the main spring assembly 2 links to each other with vehicle frame, and the bolt 11 on the base assembly 3 links to each other with driving engine.
Shown in Fig. 2 and 3, vibration isolating mechanism 5 comprises a pair of electrode assemblie that can be connected with the adjustable power supply of voltage, i.e. top electrode assembly 61 and bottom electrode assembly 62.Inertia channel body 7 is fixed in the cavity, the center of this inertia channel body 7 has a passage 71, electrode assemblie is fixed on a passage body inner core 8 in the passage 71, and forms the mistake liquid passage 9 of electrorheological fluid in the connection upper liquid chamber 41 be separated by electrode assemblie and the following liquid chamber 42 between inertia channel body 7 and passage body inner core 8.
In the present embodiment, top electrode assembly 61 comprises the polar circle 61a that powers on that two line of centerss and passage body inner core 8 line of centerss coincide, and each polar circle 61a that powers on is fixed together by last link span 61b.Bottom electrode assembly 62 comprises the bottom electrode circle 62a that a line of centers and passage body inner core 8 line of centerss coincide, and bottom electrode circle 62a is fixed together by following link span 62b; And each upper and lower electrode collar 61a, 62a are interlaced to be arranged between inertia channel body 7 and the passage body inner core 8, and spacing equates.
Last link span 61b extremely links to each other with one of external source by lead, and following link span 62b extremely links to each other by another of lead and external source.In order to prevent the direct conducting of upper and lower electrode assemblie, each powers on and is respectively equipped with an insulation back-up ring 10 between polar circle 61a and the following link span 62b; Be respectively equipped with an insulation back-up ring 10 between each bottom electrode circle 62a and the last link span 61b.Last link span 61b is fixed together by three one ends, and the other end is radial outward extending pipe link 60 and constitutes; Following link span 62b is fixed together by some one ends, and the other end is radial outward extending pipe link 60 and constitutes.Upper and lower link span 61b, 62b are fixed together inertia channel body 7 and passage body inner core 8 by screw respectively.
In the present embodiment, main spring skeleton 20 has a collar 20a who is used for fixing inertia channel body 7, be provided with a lead block of making by insulating material between collar 20a and the inertia channel body 7, in the lead block, have and be used for wire guide that the lead that is connected on the electrode assemblie is drawn.
Above-mentioned elasticity master's spring 21, insulation back-up ring 10, inertia channel body 7 and passage body inner core 8 are made by rubber.Upper and lower electrode collar 61a, 62a and upper and lower link span 61b, 62b make by copper material.
During engine vibration, when the disturbance force that produces is directed downwards, pass to the elasticity master's spring 21 that suspends by tie bolt 11, the 21 stressed generation distortion of elasticity master's spring, compression upper liquid chamber 41 volumes, upper liquid chamber 41 volumes reduce pressure and increase, produce difference of pressure with following liquid chamber 42, pressure is pressed to down liquid chamber 42 to current liquid by upper liquid chamber 41 through inertia channel, current liquid flow through vibration isolating mechanism 5 cross liquid passage 9 time, change electric field intensity between the annular electro polar circle by the control power line voltage, thereby change the viscosity of current liquid, promptly change the damping of current liquid, a part of vibrational energy that dissipates, the disturbance force of decay driving engine.Current liquid flows into liquid chamber 42 down, makes down the increase of liquid chamber 42 pressure, and pressure makes counterdie 32 produce distortion, and following liquid chamber 42 volumes increase, with the air extractor vent discharge of the air between liquid chamber 42 and the base 31 by having on the base 31 down.Current liquid continues by liquid chamber under the upper liquid chamber flow direction until equilibrium of pressure.The power that is not attenuated is passed to base 31 by rubber spring, passes to vehicle frame by tie bolt 11 again.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper used morely main spring assembly 2, main spring skeleton 20, collar 20a, elasticity master's spring 21, synthetic skeleton 22, base assembly 3, base 31, counterdie 32, upper liquid chamber 41, down liquid chamber 42, vibration isolating mechanism 5, top electrode assembly 61, the polar circle 61a that powers on, go up link span 61b, bottom electrode assembly 62, bottom electrode circle 62a, down link span 62b, pipe link 60, inertia channel body 7, passage 71, passage body inner core 8, cross liquid passage 9, insulation back-up ring 10, bolt 11, etc. term, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. damping adjustable type engines suspending shock-absorbing device, comprise main spring assembly (2) and base assembly (3), main spring assembly (2) and base assembly (3) surround the sealed cavity of the electrorheological fluid of can packing into, in cavity, be provided with the vibration isolating mechanism (5) that it is divided into upper liquid chamber (41) and following liquid chamber (42), it is characterized in that, described vibration isolating mechanism (5) comprises a pair of electrode assemblie that can be connected with the adjustable power supply of voltage, be top electrode assembly (61) and bottom electrode assembly (62), inertia channel body (7) is fixed in the cavity, the center of this inertia channel body (7) has a passage (71), electrode assemblie is fixed on a passage body inner core (8) in the passage (71), and forms the mistake liquid passage (9) of electrorheological fluid in the connection upper liquid chamber (41) be separated by electrode assemblie and the following liquid chamber (42) between inertia channel body (7) and passage body inner core (8).
2. damping adjustable type engines suspending shock-absorbing device according to claim 1, it is characterized in that, described top electrode assembly (61) comprises the polar circle that powers on (61a) that several line of centerss and passage body inner core (8) line of centers coincide, each polar circle that powers on (61a) is fixed together by last link span (61b), described bottom electrode assembly (62) comprises the bottom electrode circle (62a) that several line of centerss and passage body inner core (8) line of centers coincide, and each bottom electrode circle (62a) is fixed together by following link span (62b); And each upper and lower electrode collar (61a, 62a) is interlaced to be arranged between inertia channel body (7) and the passage body inner core (8), and spacing equates.
3. damping adjustable type engines suspending shock-absorbing device according to claim 2 is characterized in that, described each powers on and be respectively equipped with an insulation back-up ring (10) between polar circle (61a) and the following link span (62b); Be respectively equipped with an insulation back-up ring (10) between described each bottom electrode circle (62a) and the last link span (61b).
4. according to claim 2 or 3 described damping adjustable type engines suspending shock-absorbing devices, it is characterized in that, described main spring assembly (2) comprises elasticity master's spring (21) of a taper type, be provided with a barrel-contoured main spring skeleton (20) in this elasticity master spring (21), be embedded with synthetic skeleton (22) on elasticity master spring (21) top, on synthetic skeleton (22), be connected with bolt (11).
5. according to claim 1 or 2 or 3 described damping adjustable type engines suspending shock-absorbing devices, it is characterized in that, described base assembly (3) comprises the base (31) of a rigidity, this base (31) is fixed on the main spring assembly (2), be fixed with a hypoglyph (32) between base (31) and the main spring assembly (2), on base (31), be connected with bolt (11).
6. damping adjustable type engines suspending shock-absorbing device according to claim 4, it is characterized in that, described upper and lower electrode collar (61a, 62a) and upper and lower link span (61b, 62b) are made by conductive material, last link span (61b) extremely links to each other with one of external source by lead, and following link span (62b) extremely links to each other by another of lead and external source.
7. damping adjustable type engines suspending shock-absorbing device according to claim 6, it is characterized in that, described main spring skeleton (20) has a collar (20a) that is used for fixing inertia channel body (7), be provided with a lead block of making by insulating material between described collar (20a) and the inertia channel body (7), in the lead block, have and be used for wire guide that the lead that is connected on the electrode assemblie is drawn.
8. damping adjustable type engines suspending shock-absorbing device according to claim 6 is characterized in that, described elasticity master's spring (21), insulation back-up ring (10), inertia channel body (7) and passage body inner core (8) are made by rubber.
9. damping adjustable type engines suspending shock-absorbing device according to claim 2 is characterized in that, the described link span (61b) of going up is fixed together by some one ends, and the other end is radial outward extending pipe link (60) and constitutes; Following link span (62b) is fixed together by some one ends, and the other end is radial outward extending pipe link (60) and constitutes.
10. damping adjustable type engines suspending shock-absorbing device according to claim 9 is characterized in that, upper and lower link span (61b, 62b) is fixed together inertia channel body (7) and passage body inner core (8) by screw respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200869445U CN201325315Y (en) | 2008-05-07 | 2008-05-07 | Suspended vibration absorber with adjustable damping for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200869445U CN201325315Y (en) | 2008-05-07 | 2008-05-07 | Suspended vibration absorber with adjustable damping for engine |
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| Publication Number | Publication Date |
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| CN201325315Y true CN201325315Y (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200869445U Expired - Fee Related CN201325315Y (en) | 2008-05-07 | 2008-05-07 | Suspended vibration absorber with adjustable damping for engine |
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| CN (1) | CN201325315Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120160621A1 (en) * | 2010-12-23 | 2012-06-28 | Dt Swiss, Inc. | Suspension system for a bicycle and damper device |
| CN104196944A (en) * | 2014-08-27 | 2014-12-10 | 武汉科技大学 | Semi-active particle damping rubber suspension device for power assembly |
| CN104819244A (en) * | 2015-04-24 | 2015-08-05 | 盐城工学院 | Damp mounting frame for gear case based on hydraulic suspension |
| CN106904068A (en) * | 2017-05-08 | 2017-06-30 | 牛艳兵 | A kind of suspension device for automobile engine |
| CN108716986A (en) * | 2017-04-04 | 2018-10-30 | 福特环球技术公司 | System and method for the diagnosis of active engine mount |
| CN111828534A (en) * | 2020-07-14 | 2020-10-27 | 陈鹏鹏 | Electromechanical equipment damping frame and damping method thereof |
-
2008
- 2008-05-07 CN CNU2008200869445U patent/CN201325315Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120160621A1 (en) * | 2010-12-23 | 2012-06-28 | Dt Swiss, Inc. | Suspension system for a bicycle and damper device |
| CN104196944A (en) * | 2014-08-27 | 2014-12-10 | 武汉科技大学 | Semi-active particle damping rubber suspension device for power assembly |
| CN104819244A (en) * | 2015-04-24 | 2015-08-05 | 盐城工学院 | Damp mounting frame for gear case based on hydraulic suspension |
| CN108716986A (en) * | 2017-04-04 | 2018-10-30 | 福特环球技术公司 | System and method for the diagnosis of active engine mount |
| CN108716986B (en) * | 2017-04-04 | 2022-04-19 | 福特环球技术公司 | System and method for active engine mount diagnostics |
| CN106904068A (en) * | 2017-05-08 | 2017-06-30 | 牛艳兵 | A kind of suspension device for automobile engine |
| CN106904068B (en) * | 2017-05-08 | 2018-01-23 | 牛艳兵 | A kind of suspension device for automobile engine |
| CN111828534A (en) * | 2020-07-14 | 2020-10-27 | 陈鹏鹏 | Electromechanical equipment damping frame and damping method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SHI WENKU Owner name: ZHEJIANG LUOSHI SHOCK PARTS CO., LTD. Free format text: FORMER OWNER: ZHEJIANG LUO S INDUSTRIAL DEVELOPMENT CO., LTD. Effective date: 20110120 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110120 Address after: 317600 Motorcycle Industrial Park, Zhujiang Town, Zhejiang, Yuhuan County Patentee after: Zhejiang Luo's Enterprise Development Co., Ltd. Address before: 317600 Motorcycle Industrial Park, Zhujiang Town, Zhejiang, Yuhuan County Co-patentee before: Shi Wenku Patentee before: Zhejiang Luo's Industrial Development Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20120507 |