CN104196944B - Power assembly half active particles damping rubber suspends - Google Patents
Power assembly half active particles damping rubber suspends Download PDFInfo
- Publication number
- CN104196944B CN104196944B CN201410426622.0A CN201410426622A CN104196944B CN 104196944 B CN104196944 B CN 104196944B CN 201410426622 A CN201410426622 A CN 201410426622A CN 104196944 B CN104196944 B CN 104196944B
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- Prior art keywords
- steel pipe
- rubber
- power assembly
- active particles
- suspension housing
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Abstract
The present invention relates to a kind of power assembly half active particles damping rubber suspension.Its technical scheme is: the coaxial heart of middle position of rubber spring (3) embeds in connecting framework (2), and the opening of rubber spring (3) is connected by steel ring (4) and the opening of suspension housing (5) are fixing in opposite directions.Outer steel pipe (11) is corresponding with the upper planar coaxial heart of the lower plane of connecting framework (2) and base plate (10) with the upper surface of interior steel pipe (12) and lower surface to be connected, equipped with steel ball (14) in damping cavity (15), the charge weight of steel ball (14) is the 50～80% of damping cavity (15) volume.Outer steel pipe (11) outer wall is provided with solenoid (13), and solenoid (13) is positioned at the upper plane of base plate (10)；Solenoid (13) is by being fixed on the controller of coil receptacle (6) the external mounting assembly in suspension housing (5), and coil receptacle (6) is fixed in suspension housing (5).The present invention has simple and reliable for structure, the easily manufactured and feature of low cost, and has the performance of wideband vibration isolation, vibration damping and noise reduction.
Description
Technical field
The invention belongs to technical field of automobile parts.Particularly relate to a kind of power assembly half active particles damping rubber hang
Put.
Background technology
In recent years, Automobile Design is to lightness and economical development, but few cylinder, high-power engine and lightweight vehicle frame
The application of (vehicle body) can cause the vibration aggravation being transferred to vehicle body by electromotor, makes the vibration in car and noise characteristic deteriorate.Special
It not the front engine front wheel drive-type car using the poor four cylinder four-stroke engines of balance, shaking of power assembly
Dynamic more and more prominent on the impact of vehicle ride comfort.Meanwhile, the requirement of riding comfort is the most constantly carried by people
High.In order to solve these contradiction, it is necessary to improve the dynamic assembly suspension device isolation to vibrating transmission between power assembly and car body
Effect, just can be effectively reduced body vibrations and internal car noise.
Existing dynamic assembly suspension device is divided into General Purpose Rubber suspension, liquid resistance type rubber mounting, Semi-active mount and active
Suspension.
Though General Purpose Rubber suspension simple in construction, low cost, owing to rigidity is bigger than normal, underdamping and high frequency dynamically harden
Etc. shortcoming, it is difficult to meet the automobile power assembly vibration isolation requirement to suspension system in wider frequency range.
Liquid resistance type rubber mounting common are throttling pass, inertia channel type, inertia channel fixing decoupling membranous type, inertia
Channel-active decoupling membranous type various structures form, combines rubber damping and liquid-damped characteristic, performance relatively General Purpose Rubber
Suspension improves a lot, but can only in certain band limits vibration isolating effect obvious, and easily produce dynamically hardening when high frequency,
The damping requirements of modern intermediate car cannot be met.
Semi-active mount commonly semi-active type Hydraulic Engine Mount, this device can regulate in real time according to the operating condition of automobile
The dynamic characteristic of suspension, can realize wideband vibration isolation, vibration damping and noise reduction, have the anti-vibration performance being better than passive type Hydraulic Engine Mount.But
Owing to semi-active type Hydraulic Engine Mount relatively passive type Hydraulic Engine Mount adds control unit and actuator, exist structure more complicated,
Cost height and the big problem that takes up room, be not widely adopted.
Active engine mount be then by actuator directly produce dynamic force with negative function suspension on vibration force, make to start
Between machine and car body, the dynamic force of transmission is greatly reduced, thus obtains optimal vibration isolating effect.The fast response time of active engine mount, its every
Performance of shaking is more preferable than Semi-active mount, but there is system complex, power consumption is big, cost is high, reliability is relatively low and installs inconvenience
Shortcoming, also seldom application on real vehicle at present.
Summary of the invention
It is contemplated that overcome prior art defect, it is therefore an objective to provide a kind of simple and reliable for structure, easily manufactured, low cost
Power assembly half active particles damping rubber suspension, this device can regulate the dynamic of suspension in real time according to the operating condition of automobile
Characteristic, it is achieved wideband vibration isolation, vibration damping and noise reduction.
For achieving the above object, the technical solution adopted in the present invention is: the upper plane of connecting framework is fixed with connection
Bolt, the coaxial heart of middle position of rubber spring embeds in connecting framework, the outer wall of rubber spring opening and steel ring sulfur
Changing bonding, the opening of rubber spring is connected by steel ring and the opening of suspension housing are fixing in opposite directions.Suspension housing bottom
Inner side is provided with cushion pad, and the housing of suspension housing has intercommunicating pore, and the outside of suspension housing bottom is fixed with lower connecting bolt.
The lower end of outer steel pipe and the coaxial heart in lower end of interior steel pipe are bonded in the upper plane of base plate, the upper end of outer steel pipe and interior
The coaxial heart in upper end of steel pipe is welded on the lower plane of connecting framework, and interior steel pipe is positioned at outer steel pipe.Interior outer wall of steel pipe, outer steel pipe
Enclosed volume between inwall, connecting framework and base plate 10 constitutes damping cavity, and equipped with steel ball in damping cavity, the charge weight of steel ball is resistance
The 50～80% of Buddhist nun chamber volume.
Interior steel pipe is built with electromagnetic core, and outer outer wall of steel pipe is provided with solenoid, and solenoid is positioned at the upper flat of base plate
Face.Solenoid is by being fixed on the controller of the external mounting assembly of coil receptacle on suspension housing, and coil receptacle is fixed on
On suspension housing.
Upper connecting bolt, connecting framework, rubber spring, steel ring, suspension housing, cushion pad, lower connecting bolt, base plate, outer
Steel pipe, interior steel pipe, solenoid, electromagnetic core concentric is arranged.
Described connecting framework is upper and lower two block-shaped identical, and cross sectional shape is I-shaped.
Described rubber spring is bowl-shape, and material is in natural rubber, nitrile rubber, neoprene and butyl rubber
Kind.
Described suspension housing is bowl-shape, and material is steel.
A diameter of the 0.05 of described steel ball～5mm.
The sectional area of wire of described solenoid is 0.53～1.0mm2, the number of turn is 200～1000, and running voltage is 12V
Or 24V, the amplitude of operating current is 0.5～5A, frequency is 20～200HZ。
The material of described electromagnetic core is soft magnetic ferrites.
The height of described outer steel pipe is identical with the height of interior steel pipe；The shape of outer steel pipe is similar to interior steel pipe shape, is
Pipe or be oval pipe or be polygonal tube.
Owing to using technique scheme, the present invention compared with prior art, has a following good effect:
The present invention is made up of upper connecting bolt, connecting framework, rubber spring, steel ring, suspension housing and lower connecting bolt
Rubber shock absorber ensure that the installation requirement of mounting assembly, it is provided that the Static stiffness needed for supporting power assembly.At rubber vibration isolation
Internally installed a kind of controlled by electromagnetic force, the damping adjustable granule damper of size of device.Granule damper is by base plate, outer steel
Pipe, interior steel pipe, solenoid, steel ball, damping cavity and electromagnetic core are constituted.Interior steel pipe is positioned at outer steel pipe central authorities, and interior steel pipe is with outer
The upper end of steel pipe is welded on the lower plane of the connecting framework together with rubber spring bonding by Vulcanization, and lower end is bonded on base plate.
Interior outer wall of steel pipe, outer steel pipe inner wall, enclosed volume between connecting framework and base plate define damping cavity, load in damping cavity
Steel ball, outer wall of steel pipe is equipped with solenoid outside, at interior steel pipe built with electromagnetic core.Therefore it is simple and reliable for structure, easily manufactured
And low cost.
When power assembly works, its vibration can cause the closed cavity formed by rubber spring, steel ring and suspension housing
Volume change, intercommunicating pore can make described closed cavity and atmosphere, prevents pressure from raising.In suspension housing bottom
The cushion pad of side can prevent base plate and suspension housing from clashing into and causing granule damper to damage.The vibration of power assembly can cause steel ball
Beat, between steel ball produce collision and friction, meanwhile, between steel ball and damping cavity inwall also produce collision and friction, produce
Raw damping force, changes the dynamic stiffness of mounting assembly.
When power assembly low frequency, large-amplitude vibration, this damping force is smaller, does not also reach preferable vibration isolating effect,
Now, in solenoid, alternating current it is passed through so that it is produce alternating electromagnetic field, under the effect of electromagnetic force, the vibration of steel ball
Can aggravate, the collision between collision and friction and steel ball and damping cavity inwall between steel ball increases with fricative damping force
Greatly, dynamic assembly suspension is made to have bigger dynamic stiffness, to suppress power assembly significantly to vibrate.When power assembly high frequency, little shake
During width vibration, the electric current being passed through in solenoid is zero, and now the vibration of steel ball is the least, and its damping force produced is the least, makes
Dynamic assembly suspension has less dynamic stiffness, with the dither of power assembly of decaying.Therefore, according to the driving cycle of automobile
With the vibration state of power assembly, control to be passed through alternating current amplitude and the size of frequency in solenoid, make granule damper
Produce suitable damping action, the dynamic stiffness of scalable dynamic assembly suspension so that it is there is low frequency high dynamic stiffness and big damping, height
The lowest dynamic stiffness and the preferable dynamic characteristic of little damping.
Therefore, the present invention has simple and reliable for structure, the easily manufactured and feature of low cost, and has wideband vibration isolation, subtracts
Shake and the performance of noise reduction.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1 and detailed description of the invention the invention will be further described, not to its protection domain
Limit.
Embodiment 1
A kind of power assembly half active particles damping rubber suspension.As shown in Figure 1: the upper connecting bolt of the present embodiment 1 with
Power assembly connects, and lower connecting bolt 8 is connected with vehicle frame.The upper plane of connecting framework 2 is fixed with connecting bolt 1, rubber bullet
The coaxial heart of middle position of spring 3 embeds in connecting framework 2, the outer wall of rubber spring 3 opening and steel ring 4 bonding by Vulcanization,
The opening of rubber spring 3 is connected by steel ring 4 and the opening of suspension housing 5 are fixing in opposite directions.Inner side bottom suspension housing 5
Being provided with cushion pad 7, the housing of suspension housing 5 has intercommunicating pore 9, and the outside bottom suspension housing 5 is fixed with lower connecting bolt 8.
The lower end of outer steel pipe 11 and the coaxial heart in lower end of interior steel pipe 12 are bonded in the upper plane of base plate 10, outer steel pipe 11
The coaxial heart in upper end of upper end and interior steel pipe 12 is welded on the lower plane of connecting framework 2, and interior steel pipe 12 is positioned at outer steel pipe 11.In
Enclosed volume between steel pipe 12 outer wall, outer steel pipe 11 inwall, connecting framework 2 and base plate 10 constitutes damping cavity 15, in damping cavity 15
Equipped with steel ball 14, the charge weight of steel ball 14 is the 50～60% of damping cavity 15 volume.
Interior steel pipe 12 is provided with solenoid 13 built with electromagnetic core 16, outer steel pipe 11 outer wall, and solenoid 13 is positioned at
The upper plane of base plate 10.Solenoid 13 is by being fixed on the control of the external mounting assembly of coil receptacle 6 on suspension housing 5
Device, coil receptacle 6 is fixed on suspension housing 5.
Upper connecting bolt 1, connecting framework 2, rubber spring 3, steel ring 4, suspension housing 5, cushion pad 7, lower connecting bolt 8,
Base plate 10, outer steel pipe 11, interior steel pipe 12, solenoid 13, electromagnetic core 16 concentric is arranged.
Described connecting framework 2 is upper and lower two block-shaped identical, and cross sectional shape is I-shaped.
Described rubber spring 3 is in bowl-shape, and material is natural rubber.
Described suspension housing 5 is in bowl-shape, and material is steel.
A diameter of 0.0.05～0.1mm of described steel ball 14.
The sectional area of wire of described solenoid 13 is 0.53～1.0mm2, the number of turn is 200～1000, and running voltage is
12V, the amplitude of operating current is 0.5～5A, frequency is 20～200HZ。
The material of described electromagnetic core 15 is soft magnetic ferrites.
The height of described outer steel pipe 11 is identical with the height of interior steel pipe 12.The shape of outer steel pipe 11 and interior steel pipe 12 shape phase
Seemingly, it is pipe.
Embodiment 2
A kind of power assembly half active particles damping rubber suspension.In addition to following technical parameter, remaining and embodiment 1 phase
With.
A diameter of the 0.1～1mm of described steel ball 14.
The material of described rubber spring 3 is nitrile rubber.
The charge weight of described steel ball 14 is the 60～70% of damping cavity 15 volume.
The shape of described outer steel pipe 11 is oval pipe with the shape of interior steel pipe 12.
Embodiment 3
A kind of power assembly half active particles damping rubber suspension.In addition to following technical parameter, remaining and embodiment 1 phase
With.
The running voltage of described solenoid 13 is 24V.
A diameter of the 1～3mm of described steel ball 14.
The material of described rubber spring 3 is neoprene.
The charge weight of described steel ball 14 is the 70～80% of damping cavity 15 volume.
The shape of described outer steel pipe 11 is polygonal tube with the shape of interior steel pipe 12.
Embodiment 4
A kind of power assembly half active particles damping rubber suspension.In addition to following technical parameter, remaining and embodiment 1 phase
With.
The running voltage of described solenoid 13 is 24V.
A diameter of the 2～5mm of described steel ball 14.
The material of described rubber spring 3 is butyl rubber.
This detailed description of the invention compared with prior art, has a following good effect:
This detailed description of the invention by upper connecting bolt 1, connecting framework 2, rubber spring 3, steel ring 4, suspension housing 5 and under
The rubber shock absorber of connecting bolt 8 composition ensure that the installation requirement of mounting assembly, it is provided that quiet needed for supporting power assembly
Rigidity.At internally installed a kind of controlled by electromagnetic force, the damping adjustable granule damper of size of rubber shock absorber.Granule damps
Device is made up of base plate 10, outer steel pipe 11, interior steel pipe 12, solenoid 13, steel ball 14, damping cavity 15 and electromagnetic core 16.Interior steel
Pipe 12 is positioned at outer steel pipe 11 central authorities, and interior steel pipe 12 is welded on together with rubber spring 3 bonding by Vulcanization with the upper end of outer steel pipe 11
The lower plane of connecting framework 2, lower end is bonded on base plate 10.Interior steel pipe 12 outer wall, outer steel pipe 11 inwall, connecting framework 2 and
Enclosed volume between base plate 10 defines damping cavity 15, in damping cavity 15 load steel ball 14, outside steel pipe 11 outer wall equipped with
Solenoid 13, at interior steel pipe 12 built with electromagnetic core 16.Therefore simple and reliable for structure, easily manufactured and low cost.
When power assembly works, its vibration can cause the confined air formed by rubber spring 3, steel ring 4 and suspension housing 5
The volume in chamber changes, and intercommunicating pore 9 can make described closed cavity and atmosphere, prevents pressure from raising.At suspension housing 5 end
Cushion pad 7 inside portion can prevent base plate 10 and suspension housing 5 from clashing into and causing granule damper to damage.The vibration meeting of power assembly
Cause beating of steel ball 14, between steel ball 14, produce collision and friction, also produce between steel ball 14 and damping cavity 15 inwall meanwhile
Raw collision and friction, produce damping force, changes the dynamic stiffness of mounting assembly.
When power assembly low frequency, large-amplitude vibration, this damping force is smaller, does not also reach preferable vibration isolating effect,
Now, in solenoid 13, it is passed through alternating current so that it is produce alternating electromagnetic field, under the effect of electromagnetic force, steel ball 14
Vibration can aggravate, and the collision between collision and friction and steel ball 14 and damping cavity 15 inwall between steel ball 14 produces with friction
Damping force increase, make dynamic assembly suspension have bigger dynamic stiffness, to suppress power assembly significantly to vibrate.Work as power assembly
When high frequency, small amplitude motion, the electric current being passed through in solenoid 13 is zero, and now the vibration of steel ball 14 is the least, its resistance produced
Buddhist nun's power is the least, makes dynamic assembly suspension have less dynamic stiffness, with the dither of power assembly of decaying.Therefore, according to
The driving cycle of automobile and the vibration state of power assembly, control to be passed through the big of alternating current amplitude and frequency in solenoid
Little, make granule damper produce suitable damping action, the dynamic stiffness of scalable dynamic assembly suspension so that it is to have low frequency height and move
Rigidity and big damping, the low dynamic stiffness of high frequency and the preferable dynamic characteristic of little damping.
Therefore, this detailed description of the invention has simple and reliable for structure, the easily manufactured and feature of low cost, and has wideband
The performance of vibration isolation, vibration damping and noise reduction.
Claims (8)
1. a power assembly half active particles damping rubber suspension, it is characterised in that: the upper plane of connecting framework (2) is fixed with
Upper connecting bolt (1), the coaxial heart of middle position of rubber spring (3) embeds in connecting framework (2), and rubber spring (3) is opened
The outer wall of mouth end and steel ring (4) bonding by Vulcanization, the opening of rubber spring (3) is by the opening of steel ring (4) with suspension housing (5)
End is fixing in opposite directions to be connected；The inner side of suspension housing (5) bottom is provided with cushion pad (7), and the housing of suspension housing (5) has intercommunicating pore
(9), the outside of suspension housing (5) bottom is fixed with lower connecting bolt (8)；
The lower end of outer steel pipe (11) and the coaxial heart in lower end of interior steel pipe (12) are bonded in the upper plane of base plate (10), outer steel pipe
(11) upper end and the coaxial heart in upper end of interior steel pipe (12) are welded on the lower plane of connecting framework (2), and interior steel pipe (12) is positioned at
In outer steel pipe (11)；Enclosed volume between interior steel pipe (12) outer wall, outer steel pipe (11) inwall, connecting framework (2) and base plate (10)
Constituting damping cavity (15), equipped with steel ball (14) in damping cavity (15), the charge weight of steel ball (14) is the 50 of damping cavity (15) volume
～80%；
Interior steel pipe (12) is provided with solenoid (13), solenoid built with electromagnetic core (16), outer steel pipe (11) outer wall
(13) the upper plane of base plate (10) it is positioned at；Solenoid (13) is external by the coil receptacle (6) being fixed in suspension housing (5)
The controller of mounting assembly, coil receptacle (6) is fixed in suspension housing (5)；
Upper connecting bolt (1), connecting framework (2), rubber spring (3), steel ring (4), suspension housing (5), cushion pad (7), lower connection
Bolt (8), base plate (10), outer steel pipe (11), interior steel pipe (12), solenoid (13), electromagnetic core (16) concentric is arranged.
2. suspend according to the power assembly half active particles damping rubber described in claim 1, it is characterised in that described connection
Skeleton (2) is upper and lower two block-shaped identical, and cross sectional shape is I-shaped.
3. suspend according to the power assembly half active particles damping rubber described in claim 1, it is characterised in that described rubber
Spring (3) is in bowl-shape, and material is the one in natural rubber, nitrile rubber, neoprene and butyl rubber.
4. suspend according to the power assembly half active particles damping rubber described in claim 1, it is characterised in that described suspension
Housing (5) is in bowl-shape, and material is steel.
5. suspend according to the power assembly half active particles damping rubber described in claim 1, it is characterised in that described steel ball
(14) a diameter of 0.05～5mm.
6. suspend according to the power assembly half active particles damping rubber described in claim 1, it is characterised in that described electromagnetism
The sectional area of wire of coil (13) is 0.53～1.0mm2, the number of turn is 200～1000, and running voltage is 12V or 24V, work electricity
The amplitude of stream is 0.5～5A, frequency is 20～200HZ。
7. suspend according to the power assembly half active particles damping rubber described in claim 1, it is characterised in that described electromagnetism
The material of iron core (16) is soft magnetic ferrites.
8. suspend according to the power assembly half active particles damping rubber described in claim 1, it is characterised in that described outer steel
The height of pipe (11) is identical with the height of interior steel pipe (12)；The shape of outer steel pipe (11) is similar, all to interior steel pipe (12) shape
For pipe or be oval pipe or be polygonal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426622.0A CN104196944B (en) | 2014-08-27 | 2014-08-27 | Power assembly half active particles damping rubber suspends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426622.0A CN104196944B (en) | 2014-08-27 | 2014-08-27 | Power assembly half active particles damping rubber suspends |
Publications (2)
| Publication Number | Publication Date |
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| CN104196944A CN104196944A (en) | 2014-12-10 |
| CN104196944B true CN104196944B (en) | 2016-08-17 |
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ID=52082285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410426622.0A Expired - Fee Related CN104196944B (en) | 2014-08-27 | 2014-08-27 | Power assembly half active particles damping rubber suspends |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104813853B (en) * | 2015-04-23 | 2017-03-01 | 宁波创跃园林工具有限公司 | A kind of multiplex pruning machine of shock absorbing type |
| KR101737881B1 (en) * | 2016-02-01 | 2017-05-19 | 인천대학교 산학협력단 | Elastomer damper for displacement control |
| CN106979995A (en) * | 2017-05-17 | 2017-07-25 | 安徽久能信息科技有限公司 | A kind of air pollution degree detects special suspension device |
| CN107323542B (en) * | 2017-06-30 | 2019-04-02 | 武汉科技大学 | Semi-active type cab mounting isolation mounting |
| CN110439967A (en) * | 2019-08-07 | 2019-11-12 | 青岛理工大学 | A kind of precision drive axis angular displacement torsion powder damping damper |
| CN112324890B (en) * | 2020-11-04 | 2022-03-15 | 福建中维动力科技股份有限公司 | Electricelectric moves ore deposit derailleur suspension structure for card |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303058B (en) * | 2007-05-10 | 2011-11-16 | 吕崇耀 | Broad band damp type vibrating isolation system |
| CN201325315Y (en) * | 2008-05-07 | 2009-10-14 | 浙江骆氏实业发展有限公司 | Suspended vibration absorber with adjustable damping for engine |
| JP2012082880A (en) * | 2010-10-08 | 2012-04-26 | Kobe Steel Ltd | Vibration damping structure |
| CN201963802U (en) * | 2010-12-17 | 2011-09-07 | 哈尔滨东安实业发展有限公司 | Hydraulic shock pad device |
| CN103671699B (en) * | 2013-12-23 | 2015-09-02 | 江苏科技大学 | The built-in vibration damping equipment of a kind of hollow shaft |
| CN204025493U (en) * | 2014-08-27 | 2014-12-17 | 武汉科技大学 | A kind of half active particles damping rubber suspension for automobile power assembly |
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2014
- 2014-08-27 CN CN201410426622.0A patent/CN104196944B/en not_active Expired - Fee Related
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