CN108488314A - A kind of damping and silencing device for engine - Google Patents
A kind of damping and silencing device for engine Download PDFInfo
- Publication number
- CN108488314A CN108488314A CN201810241267.8A CN201810241267A CN108488314A CN 108488314 A CN108488314 A CN 108488314A CN 201810241267 A CN201810241267 A CN 201810241267A CN 108488314 A CN108488314 A CN 108488314A
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- China
- Prior art keywords
- damping
- cylinder
- fixed
- push rod
- silencing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of damping and silencing device for engine, realizes damping and silencing and improve the purpose of whole aircraft reliability and service life.Including fixed outline border (1), elastic peripheral frame (2), the elastic peripheral frame (2) is installed on the inside of fixed outline border (1), the first damping and silencing mechanism is equipped on the left of the fixed outline border (1), the first damping and silencing mechanism includes first support bar (3), first cylinder (4), first pushing block (5) and the first push rod (6), the both ends of the first support bar (3) are fixedly connected with fixed outline border (1) respectively, first cylinder (4) is installed on the middle part of first support bar (3), sliding is equipped with the first pushing block (5) in first cylinder (4), first pushing block (5) is fixedly connected with first push rod (6).
Description
Technical field
The present invention relates to technical field of automobile engine, relate in particular to a kind of damping and silencing dress for engine
It sets.
Background technology
In the prior art, the vibration problem of engine is widely present in the transit equipments and heavy mechanical equipment such as automobile,
And the propagation of engine luggine directly influences the whole aircraft reliability and service life of engineering machinery, while also making multiplying for driver
It sits comfort to be deteriorated, especially when engine luggine is transmitted to aircraft, occupant can be made to be easy to fatigue and have discomfort, influenced simultaneously
The precision of instrument and instruction be easy to cause accident, and the vibration of engine sometimes, which also causes structure and the damage of instrument, reduces work
Efficiency.
Invention content
To solve above-mentioned technical problem of the existing technology, the present invention provides a kind of damping and silencing dress for engine
It sets, realize damping and silencing and improves the purpose of whole aircraft reliability and service life.
The technical solution adopted by the present invention is：A kind of damping and silencing device for engine is provided, including fixed outline border,
Elastic peripheral frame, the elastic peripheral frame are installed on the inside of fixed outline border, and the first damping and silencing machine is equipped on the left of the fixed outline border
Structure, the first damping and silencing mechanism include first support bar, the first cylinder, the first pushing block and the first push rod, and described
The both ends of one supporting rod are fixedly connected with fixed outline border respectively, and first cylinder is installed on the middle part of first support bar, described
Sliding is equipped with the first pushing block in first cylinder, and first pushing block is fixedly connected with first push rod.The fixed outline border is right
Side be equipped with the second damping and silencing mechanism, the second damping and silencing device include second support bar, the second cylinder, the second pushing block and
The both ends of second push rod, the second support bar are fixedly connected with fixed outline border respectively, and second cylinder is installed on second
The middle part of supporting rod, the interior sliding of second cylinder are equipped with the second pushing block, and second pushing block is fixedly connected with the second push rod.Institute
It states and is equipped with third damping and silencing mechanism on the upside of fixed outline border, the third damping and silencing mechanism includes third supporting rod, third
The both ends of cylinder, third pushing block and third push rod, the third supporting rod are fixedly connected with fixed outline border respectively, the third gas
Cylinder is installed on the middle part of third supporting rod, in the third cylinder sliding be equipped with third pushing block, the third pushing block and described the
Three supporting rods are fixedly connected.It is equipped with the 4th damping and silencing mechanism, the 4th damping and silencing mechanism packet on the downside of the fixed outline border
The 4th supporting rod, the 4th cylinder, the 4th pushing block and the 4th push rod are included, the both ends of the 4th supporting rod are solid with fixed outline border respectively
Fixed connection, the 4th cylinder are installed on the middle part of the 4th supporting rod, and sliding is described equipped with the 4th pushing block in the 4th cylinder
4th pushing block is fixedly connected with the 4th supporting rod.Fixing axle installing mechanism is equipped in the fixation outline border, described consolidates
Dead axle installing mechanism includes the holder being mutually permanently connected, upper junction plate, lower connecting plate and cylinder, and damping is equipped in the cylinder
Support ring, the shock-absorbing support are equipped with fixing bracket, yielding rubber layer, the yielding rubber are equipped in the shock-absorbing support ring
It is equipped with fixing axle in layer, left end and the elastic peripheral frame of first push rod right end that offsets are fixed with upper junction plate, and described second pushes away
Bar right end and the elastic peripheral frame left end that offsets are fixed with cylinder, and third push rod upper end and elastic peripheral frame offset lower end and upper connection
Plate is fixed, and the 4th push rod lower end and elastic peripheral frame fix the upper end that offsets with lower connecting plate.The upper junction plate is equipped with anticollision
Mechanism, the anticollision mechanism include with upper junction plate it is fixed connection bolt, be sleeved on connection bolt on the outside of anticollision inner ring, pass through
Coordinate by the fixed attaching nut of anticollision inner ring, the anti-collision rubber layer on the outside of anticollision inner ring, set on anticollision with bolt is connect
Anticollision outer ring on the outside of rubber layer.The first cavity and the second cavity are equipped in the yielding rubber layer, first cavity includes
Lower bending section and upper bending section.Second cavity includes left thick cavity, thin cavity and right thick cavity, the left thick cavity and the right side
Thick cavity is located at the both sides of thin cavity.The thin cavity is equipped with protrusion, and the fixing axle is equipped with groove corresponding with protrusion.
Using the above structure, the present invention realizes the purpose of damping and silencing, specific structure point by multi-level structure
Steps are as follows；
1, yielding rubber layer is set outside fixing axle.
2, shock-absorbing support ring is set outside yielding rubber layer.
3, the shock-absorbing support ring is located in cylinder, and cylinder, upper junction plate and lower connecting plate as 1 entirety respectively with
First push rod, the second push rod, third push rod and the 4th push rod are connected, and cylinder, first gas is all respectively set in above-mentioned 4 push rods
Cylinder, third cylinder, is true sky in the 4th cylinder at the second cylinder, the resistance generated in vacuum cylinder using pushing block, to realize
The purpose of damping and silencing, it is in addition of the invention to be all respectively provided with damping and silencing mechanism in four direction up and down, make from solid
The vibrations of dead axle can be consumed perfectly and be removed.
4, the first push rod of setting elastic peripheral frame couple, the second push rod, third push rod and the 4th push rod carry out bumper and absorbing shock.
5, the fixed outline border can be fixed with automobile outer framework, and part that can also be static with other is fixed.
The present invention realizes the vibrations that fixing axle generates by above-mentioned 5 layers of structure the purpose of damping and silencing.
As an improvement, the present invention is also provided with anticollision mechanism, it is therefore an objective to can be risen when the other component of contact-impact
To the effect of buffering.
As an improvement, being provided with the first cavity and the second cavity, the lower bending section is fixing bracket pair when being conducive to installation
Yielding rubber layer generates deformation, and setting cavity is conducive to smoothly install, when the upper bending section is conducive to fixing axle installation, because solid
Deformation is generated to yielding rubber layer when dead axle is installed, setting cavity provides the space of deformation.
As an improvement, setting protrusion and groove, are conducive to the positioning between fixing axle and yielding rubber layer and installation in this way.
Description of the drawings
Fig. 1 is the whole structural schematic diagram of the present invention.
Fig. 2 is the enlarged diagram at A in Fig. 1.
Fig. 3 is cylindrical structure schematic diagram.
As shown in the figure:1, fixed outline border, 2, elastic peripheral frame, 3, first support bar, the 4, first cylinder, the 5, first pushing block, 6,
First push rod, 7, second support bar, the 8, second cylinder, the 9, second pushing block, the 10, second push rod, 11, third supporting rod, 12, third
Cylinder, 13, third pushing block, 14, third push rod, the 15, the 4th supporting rod, the 16, the 4th cylinder, the 17, the 4th pushing block, the 18, the 4th pushes away
Bar, 19, holder, 20, upper junction plate, 21, lower connecting plate, 22, cylinder, 23, shock-absorbing support ring, 24, fixing bracket, 25, damping
Rubber layer, 26, fixing axle, 27, connection bolt, 28, anticollision inner ring, 29, attaching nut, 30, anti-collision rubber layer, 31, outside anticollision
Circle, the 32, first cavity, the 33, second cavity, 34, lower bending section, 35, upper bending section, 36, left thick cavity, 37, thin cavity, 38,
Right thickness cavity, 39, protrusion, 40, groove.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described.
A kind of damping and silencing device for engine, including fixed outline border 1, elastic peripheral frame 2, the elastic peripheral frame 2
It is installed on 1 inside of fixed outline border, 1 left side of the fixed outline border is equipped with the first damping and silencing mechanism, first damping and silencing
Mechanism includes first support bar 3, the first cylinder 4, the first pushing block 5 and the first push rod 6, the both ends point of the first support bar 3
It is not fixedly connected with fixed outline border 1, first cylinder 4 is installed on the middle part of first support bar 3, is slided in first cylinder 4
Dynamic to be equipped with the first pushing block 5, first pushing block 5 is fixedly connected with first push rod 6.The right side of the fixed outline border 1 is equipped with the
Two damping and silencing mechanisms, the second damping and silencing device include second support bar 7, the second cylinder 8, the second pushing block 9 and second
The both ends of push rod 10, the second support bar 7 are fixedly connected with fixed outline border 1 respectively, and second cylinder 8 is installed on second
The middle part of supporting rod 7, the interior sliding of second cylinder 8 are equipped with the second pushing block 9, and second pushing block, 9 and second push rod 10 is fixed
Connection.1 upside of the fixed outline border is equipped with third damping and silencing mechanism, and the third damping and silencing mechanism includes third support
Bar 11, third cylinder 12, third pushing block 13 and third push rod 14, the both ends of the third supporting rod 11 respectively with fixed outline border 1
It is fixedly connected, the third cylinder 12 is installed on the middle part of third supporting rod 11, and sliding is equipped with third in the third cylinder 12
Pushing block 13, the third pushing block 13 are fixedly connected with the third supporting rod 11.1 downside of the fixed outline border is equipped with the 4th damping
Silencer mechanism, the 4th damping and silencing mechanism include the 4th supporting rod 15, the 4th cylinder 16, the 4th pushing block 17 and the 4th push rod
18, the both ends of the 4th supporting rod 15 are fixedly connected with fixed outline border 1 respectively, and the 4th cylinder 16 is installed on the 4th support
The middle part of bar 15, the interior sliding of the 4th cylinder 16 are equipped with the 4th pushing block 17, the 4th pushing block 17 and the 4th supporting rod
15 are fixedly connected.Fixing axle installing mechanism is equipped in the fixation outline border 1, the fixing axle installing mechanism includes mutually solid
Surely holder 19, upper junction plate 20, lower connecting plate 21 and the cylinder 22 connected, the cylinder 22 is interior to be equipped with shock-absorbing support ring 21, institute
It states shock-absorbing support ring 23 and is equipped with fixing bracket 24, yielding rubber layer 25, the yielding rubber are equipped in the shock-absorbing support ring 21
It is equipped with fixing axle 26 in layer 25, the left end of first push rod 6 and elastic peripheral frame 2 right end that offsets are fixed with upper junction plate 20, institute
It states 10 right end of the second push rod and elastic peripheral frame 2 left end that offsets to fix with cylinder 22,14 upper end of third push rod and elastic peripheral frame 2
Offset lower end and upper junction plate 20 is fixed, and 2 lower end of the 4th push rod and elastic peripheral frame fix the upper end that offsets with lower connecting plate 21.
The upper junction plate 20 be equipped with anticollision mechanism, the anticollision mechanism include with 20 fixed connection bolt 27 of upper junction plate, be sleeved on
The anticollision inner ring 28 for connecting the outside of bolt 27, by with connect bolt 27 coordinate by 28 fixed attaching nut 29 of anticollision inner ring,
Anti-collision rubber layer 30 set on 28 outside of anticollision inner ring, the anticollision outer ring 31 set on 30 outside of anti-collision rubber layer.The damping rubber
The first cavity 32 and the second cavity 33 are equipped in glue-line 25, first cavity 32 includes lower bending section 34 and upper bending section 35.
Second cavity 33 includes left thick cavity 36, thin cavity 37 and right thick cavity 38, the left thick cavity 36 and right thick cavity 38
It is located at the both sides of thin cavity 37.The thin cavity 37 is equipped with protrusion 39, and the fixing axle 26 is equipped with corresponding recessed with protrusion
Slot 40.
Using the above structure, the present invention realizes the purpose of damping and silencing, specific structure point by multi-level structure
Steps are as follows；
1, yielding rubber layer 25 is set outside fixing axle 26.
2, shock-absorbing support ring 23 is set outside yielding rubber layer 25.
3, the shock-absorbing support ring 23 is located in cylinder 22, and cylinder 22, upper junction plate 20 and lower connecting plate 21 are used as 1
Whole to be connected respectively with the first push rod 6, the second push rod 10, third push rod 14 and the 4th push rod 18, above-mentioned 4 push rods are all set respectively
Set cylinder, first cylinder 4, third cylinder 12, is true sky in the 4th cylinder 16 at second cylinder 8, using pushing block in vacuum
The resistance generated in cylinder, to realize the purpose of damping and silencing, in addition the present invention is respectively set in four direction up and down
Damping and silencing mechanism, allows the vibrations from fixing axle 26 perfectly to consume and removes.
4, setting elastic peripheral frame 2 to the first push rod 6, the second push rod 10, third push rod 14 and the 4th push rod 18 into row buffering
Damping, the elastic peripheral frame 2 may be used rubber and be made, other elastic materials can also be used to manufacture.
5, the fixed outline border 1 can be fixed with automobile outer framework, and part that can also be static with other is fixed.
The present invention realizes the vibrations that fixing axle 26 generates by above-mentioned 5 layers of structure the purpose of damping and silencing.
As an improvement, the present invention is also provided with anticollision mechanism, it is therefore an objective to can be risen when the other component of contact-impact
To the effect of buffering.
As an improvement, being provided with the first cavity 32 and the second cavity 33, the lower bending section 34 is to be conducive to fix when installation
Holder 24 generates deformation to yielding rubber layer, and setting cavity is conducive to smoothly install, and the upper bending section 35 is conducive to fixing axle
When 26 installation, deformation is generated to yielding rubber layer 25 when being installed because of fixing axle 26, setting cavity provides the space of deformation.
As an improvement, setting protrusion 39 and groove 40, are conducive to determine between fixing axle 26 and yielding rubber layer 25 in this way
Position and installation.
The present invention and its embodiments have been described above, this description is no restricted, shown in attached drawing
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (9)
1. a kind of damping and silencing device for engine, it is characterised in that：Including fixed outline border (1), elastic peripheral frame (2), institute
The elastic peripheral frame (2) stated is installed on the inside of fixed outline border (1), and the first damping and silencing mechanism is equipped on the left of the fixed outline border (1),
The first damping and silencing mechanism includes first support bar (3), the first cylinder (4), the first pushing block (5) and the first push rod (6),
The both ends of the first support bar (3) are fixedly connected with fixed outline border (1) respectively, and first cylinder (4) is installed on first
The middle part of supporting rod (3), in first cylinder (4) sliding be equipped with the first pushing block (5), first pushing block (5) and described the
One push rod (6) is fixedly connected.
2. a kind of damping and silencing device for engine according to claim 1, it is characterised in that：The fixed outline border
(1) right side is equipped with the second damping and silencing mechanism, and the second damping and silencing device includes second support bar (7), the second cylinder
(8), the both ends of the second pushing block (9) and the second push rod (10), the second support bar (7) are fixed with fixed outline border (1) respectively
Connection, second cylinder (8) are installed on the middle part of second support bar (7), slide in second cylinder (8) and pushed away equipped with second
Block (9), second pushing block (9) are fixedly connected with the second push rod (10).
3. a kind of damping and silencing device for engine according to claim 2, it is characterised in that：The fixed outline border
(1) upside is equipped with third damping and silencing mechanism, and the third damping and silencing mechanism includes third supporting rod (11), third cylinder
(12), the both ends of third pushing block (13) and third push rod (14), the third supporting rod (11) are fixed with fixed outline border (1) respectively
Connection, the third cylinder (12) are installed on the middle part of third supporting rod (11), in the third cylinder (12) sliding be equipped with the
Three pushing blocks (13), the third pushing block (13) are fixedly connected with the third supporting rod (11).
4. a kind of damping and silencing device for engine according to claim 3, it is characterised in that：The fixed outline border
(1) downside is equipped with the 4th damping and silencing mechanism, and the 4th damping and silencing mechanism includes the 4th supporting rod (15), the 4th cylinder
(16), the both ends of the 4th pushing block (17) and the 4th push rod (18), the 4th supporting rod (15) are fixed with fixed outline border (1) respectively
Connection, the 4th cylinder (16) are installed on the middle part of the 4th supporting rod (15), in the 4th cylinder (16) sliding be equipped with the
Four pushing blocks (17), the 4th pushing block (17) are fixedly connected with the 4th supporting rod (15).
5. a kind of damping and silencing device for engine according to claim 4, it is characterised in that：Outside the fixation
Fixing axle installing mechanism is equipped in frame (1), the fixing axle installing mechanism includes the holder (19) being mutually permanently connected, upper company
Fishplate bar (20), lower connecting plate (21) and cylinder (22), the cylinder (22) is interior to be equipped with shock-absorbing support ring (21), the shock-absorbing support
Ring (23) is equipped with fixing bracket (24), and yielding rubber layer (25), the yielding rubber layer are equipped in the shock-absorbing support ring (21)
(25) it is equipped with fixing axle (26) in, the left end of first push rod (6) and elastic peripheral frame (2) offset right end and upper junction plate (20)
It is fixed, the second push rod (10) right end and elastic peripheral frame (2) offset left end with cylinder (22) fixed, the third push rod (14)
Upper end offsets with elastic peripheral frame (2), and lower end is fixed with upper junction plate (20), and the 4th push rod (2) lower end offsets with elastic peripheral frame
Upper end is fixed with lower connecting plate (21).
6. a kind of damping and silencing device for engine according to claim 5, it is characterised in that：The upper junction plate
(20) be equipped with anticollision mechanism, the anticollision mechanism include with the fixed connection bolt (27) of upper junction plate (20), be sleeved on connection spiral shell
Anticollision inner ring (28) on the outside of bolt (27), by with connect bolt (27) cooperation by anticollision inner ring (28) fixed attaching nut
(29), the anticollision outer ring for being set to the anti-collision rubber layer (30) on the outside of anticollision inner ring (28), being set on the outside of anti-collision rubber layer (30)
(31)。
7. a kind of damping and silencing device for engine according to claim 6, it is characterised in that：The yielding rubber
The first cavity (32) and the second cavity (33) are equipped in layer (25), first cavity (32) includes lower bending section (34) and upper curved
Pars convoluta (35).
8. a kind of damping and silencing device for engine according to claim 7, it is characterised in that：Second cavity
(33) include left thick cavity (36), thin cavity (37) and right thick cavity (38), the left thick cavity (36) and right thickness cavity (38)
It is located at the both sides of thin cavity (37).
9. a kind of damping and silencing device for engine according to claim 8, it is characterised in that：The thin cavity
(37) it is equipped with raised (39), the fixing axle (26) is equipped with groove (40) corresponding with protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241267.8A CN108488314B (en) | 2018-03-22 | 2018-03-22 | Damping and silencing device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241267.8A CN108488314B (en) | 2018-03-22 | 2018-03-22 | Damping and silencing device for engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108488314A true CN108488314A (en) | 2018-09-04 |
| CN108488314B CN108488314B (en) | 2020-04-14 |
Family
ID=63319342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810241267.8A Active CN108488314B (en) | 2018-03-22 | 2018-03-22 | Damping and silencing device for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488314B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334082A (en) * | 2007-06-28 | 2008-12-31 | 株式会社神户制钢所 | Damping device and damping methdo |
| CN101696718A (en) * | 2009-10-30 | 2010-04-21 | 江苏大学 | Parallel-connection vibration reduction device with multiple degrees of freedom for automobile engine |
| JP2015137658A (en) * | 2014-01-20 | 2015-07-30 | 清水建設株式会社 | vibration reduction device |
| CN106438806A (en) * | 2016-11-02 | 2017-02-22 | 天津市隆合钢改金属制品有限公司 | Auto spare part |
| CN206694497U (en) * | 2017-04-12 | 2017-12-01 | 山东协和学院 | A kind of automobile engine shell with shock-absorbing function |
-
2018
- 2018-03-22 CN CN201810241267.8A patent/CN108488314B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334082A (en) * | 2007-06-28 | 2008-12-31 | 株式会社神户制钢所 | Damping device and damping methdo |
| CN101696718A (en) * | 2009-10-30 | 2010-04-21 | 江苏大学 | Parallel-connection vibration reduction device with multiple degrees of freedom for automobile engine |
| JP2015137658A (en) * | 2014-01-20 | 2015-07-30 | 清水建設株式会社 | vibration reduction device |
| CN106438806A (en) * | 2016-11-02 | 2017-02-22 | 天津市隆合钢改金属制品有限公司 | Auto spare part |
| CN206694497U (en) * | 2017-04-12 | 2017-12-01 | 山东协和学院 | A kind of automobile engine shell with shock-absorbing function |
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| Publication number | Publication date |
|---|---|
| CN108488314B (en) | 2020-04-14 |
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