CN107989955A - A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper - Google Patents
A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper Download PDFInfo
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- CN107989955A CN107989955A CN201711237261.5A CN201711237261A CN107989955A CN 107989955 A CN107989955 A CN 107989955A CN 201711237261 A CN201711237261 A CN 201711237261A CN 107989955 A CN107989955 A CN 107989955A
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- Prior art keywords
- rubber
- oil pocket
- reinforcing rib
- inner core
- oil
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Classifications
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
The invention belongs to vibration absorber technical field, the assemble method of a kind of silicon oil damper, bull-dozer and silicon oil damper is disclosed.Wherein, silicon oil damper includes the oil pocket for being marked with silicone oil, and bottom is located at the support inner core in oil pocket, the rubber being sleeved on support inner core, and the damping sheet and spring of rubber are fixedly connected with one end of support inner core bottom, and damping sheet is located between spring and support inner core；Rubber outer circumferential surface is bonded with the inner wall of oil pocket, and rubber and support inner core seal the accent of oil pocket.The present invention is used as movement parts by rubber and spring, when vibrated, the compression of the hysteresis quality of rubber and the viscous damping of silicone oil and spring can consume a part of vibrational energy, silicon oil damper is set preferably to reduce vibration, improve the scope of application of silicon oil damper, rubber damper vibration damping narrow application range in the prior art is solved, the problem of effectiveness in vibration suppression is poor.
Description
Technical field
The present invention relates to vibration absorber technical field, more particularly to a kind of silicon oil damper, bull-dozer and silicon oil damper
Assemble method.
Background technology
Engineering truck, special vehicle are widely used in the every field of modernization construction.
Since the road surface of engineering truck traveling is different from conventional highway, road surface big rise and fall is uneven, therefore, car
Often cause huge irregular oscillation in the process of moving, cause driver's cabin to produce excessive dynamic response, to driving
The equipment of chamber interior causes fatigue rupture, reduces the work quality and work efficiency of operating personnel, influences the body of operating personnel
Health.
For this phenomenon, in the prior art, generally use rubber damper improves it, but rubber damper
It is the intrinsic frequency that shafting is adjusted by the rigidity of rubber, absorbs vibrational energy by elastic deformation, reached by frequency modulation and subtracted
The purpose shaken.The tuning range for the rubber damper that general structure determines determines substantially, its vibration damping scope relative narrower, and rubber
Glue is poor to low-frequency vibration energy absorption, influences ride comfort；In addition, traditional silicon oil damper utilizes oil pocket bottom side
Pouring orifice, by silicone oil add oil pocket in, then sealed using plug screw.In the operating condition, silicon oil damper is except wanting
Play outside positioning and supporting role, also need to undertake larger impact force, at the pouring orifice of silicon oil damper, oil leak easily occur,
Cause damper effectiveness in vibration suppression bad, or even the problem of vibration damping failure occur, the serious curtailment service life of damper, and
It is in traditional silicon oil damper assembling process after by components such as support inner core, rubber, damping sheets, installation is complete, also by silicon
Oil snubber is overturn, and carries out oiling by the pouring orifice of oil pocket bottom side, oiling mode is complicated.
The content of the invention
It is an object of the present invention to provide a kind of silicon oil damper, to solve rubber damper vibration damping in the prior art
The problem of narrow application range, effectiveness in vibration suppression is poor.
Another object of the present invention is to provide a kind of bull-dozer, rubber damper is used to solve existing bull-dozer, is subtracted
The problem of effect of shaking is poor, narrow application range.
A further object of the present invention is to provide a kind of assemble method of silicon oil damper, has solved existing silicon oil damper
The problem of oiling mode is complicated during assembling.
On the one hand, the present invention provides a kind of silicon oil damper, including
Oil pocket, is marked with silicone oil in the oil pocket；
Inner core is supported, the bottom of the support inner core is located in the oil pocket；
Rubber, on the support inner core, the outer circumferential surface of the rubber is bonded the rubber sleeve with the inner wall of the oil pocket,
The rubber and the support inner core seal the accent of the oil pocket；
Damping sheet；
The spring and the damping sheet, the bottom of the support inner core is fixed on by attachment device by spring, and
The damping sheet is between the support inner core and the spring.
Preferably, the inner wall clearance fit of the damping sheet and the oil pocket.
Preferably, further including support plate, the support plate is fixedly connected with the oil pocket inner wall, the support plate it is upper
Surface is bonded with the lower surface of the rubber.
Preferably, further including reinforcer, one end of the reinforcer is fixedly connected with the side wall of the oil pocket, the other end
It is embedded in the rubber.
Preferably, it is square fixed part that the outside fold of side wall at the oil pocket accent, which forms circumferential profile, it is described
Four sides of fixed part flip up to form the bound edge portion parallel with the fixed part, and one end of the reinforcer is located at the bag
Clamped between edge and the fixed part and by the bound edge portion and the fixed part.
Preferably, the reinforcer includes the first reinforcing rib and the second reinforcing rib, first reinforcing rib is positioned at described
Above second reinforcing rib, the longitudinal section of first reinforcing rib and second reinforcing rib is L-shaped, and described first strengthens
One side of muscle L-shaped and one side of the second reinforcing rib L-shaped are bonded to each other, the another side of the first reinforcing rib L-shaped and described
The another side of second reinforcing rib L-shaped is respectively positioned in the rubber and is oppositely arranged, one side of the first reinforcing rib L-shaped and described
Wrapped up and clamped, the first reinforcing rib L-shaped by the bound edge portion and the fixed part at the same time in one side of second reinforcing rib L-shaped
Another side and the another side of the second reinforcing rib L-shaped be located at same perpendicular.
Preferably, the fixed part is equipped with least two first mounting holes, first reinforcing rib and described second
The reinforcing rib position overlapping with the first mounting hole each described is respectively equipped with the second mounting hole and the 3rd mounting hole.
It is integrally formed preferably, the oil pocket uses.
On the other hand, the present invention provides a kind of bull-dozer, including above-mentioned silicon oil damper.
Another further aspect, the present invention provide a kind of assemble method of silicon oil damper, the silicon suitable for any of the above-described scheme
Oil snubber, including：
From the openend of oil pocket silicone oil is injected into the oil pocket；
Spring and damping sheet are fixed on to the bottom of support inner core using attachment device, and the damping sheet is positioned at described
Between spring and the support inner core；
The support inner core for being provided with the spring and the damping sheet is installed to inside oil pocket, the bottom of the spring
End is contacted with the bottom surface of the oil pocket；
By rubber sleeve on support inner core, and the side face of rubber is bonded with the side wall of the oil pocket, the rubber with
The support inner core seals the accent of the oil pocket.
Beneficial effects of the present invention：Rubber and spring are as movement parts, when silicon oil damper is vibrated, rubber it is stagnant
Property and the viscous damping of silicone oil can consume part energy afterwards, and the compression of spring can also consume part energy, so that silicon
Oil snubber can preferably reduce vibration, improve the scope of application of silicon oil damper, solve rubber damping in the prior art
The problem of pad vibration damping narrow application range, effectiveness in vibration suppression is poor.
When silicon oil damper is in assembling, silicone oil is directly injected into by the port of oil pocket, it is simple and quick, solve existing
Have that silicon oil damper in technology is complicated in oiling, efficiency is low and the problem of being easy to cause silicone oil leakage.
Brief description of the drawings
Fig. 1 is a kind of top view of silicon oil damper in the embodiment of the present invention；
Fig. 2 is sectional view of the silicon oil damper shown in Fig. 1 along A-A directions.
In figure：
1st, oil pocket；11st, fixed part；111st, the first mounting hole；12nd, bound edge portion；13rd, support plate；
2nd, inner core is supported；
3rd, rubber；
4th, damping sheet；
5th, spring；
6th, reinforcer；61st, the first reinforcing rib；611st, the second mounting hole；62nd, the second reinforcing rib；621st, the 3rd mounting hole；
7th, silicone oil.
Embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or has the function of same or like element.Retouched below with reference to attached drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Further illustrate technical scheme below with reference to the accompanying drawings and specific embodiments.
On the one hand, present embodiments provide a kind of silicon oil damper, as illustrated in fig. 1 and 2, including oil pocket 1, support inner core 2,
Rubber 3, damping sheet 4, spring 5 and reinforcer 6, spring 5 and damping sheet 4 are respectively positioned in oil pocket 1, support the bottom position of inner core 2
In oil pocket 1, top is located at outside oil pocket 1 (not shown in attached drawing), and spring 5 connects with damping sheet 4 by the way that attachment device is integrally fixed
The bottom of support inner core 2 is connected on, damping sheet 4 is located between spring 5 and support inner core 2, and the axle center of spring 5 and support inner core
On the same line, specifically, in the present embodiment, attachment device is bolt in 2 axle center, using threaded connection, bolt according to
The secondary mounting hole through on spring 5 and damping sheet 4, is threaded in the bottom of support inner core 2.Can certainly use welding or
Person riveting etc. other and it is contemplated that effective connection mode, the bottom of spring 5 is bonded with the bottom surface of oil pocket 1.
Rubber 3 is set on support inner core 2, and the periphery of rubber 3 and the inner wall of oil pocket 1 fit closely, and pass through rubber 3
With support inner core 2 by the port sealing of oil pocket 1；In the present embodiment, silicone oil 7 is injected in oil pocket 1, when silicon oil damper is shaken
When dynamic, the hysteresis quality of rubber 3 and the viscous damping of silicone oil 7 can consume a part of vibrational energy, and the compression of spring 5 can also disappear
A part of vibrational energy is consumed, vibration damping is carried out to vibration by silicone oil 7, spring 5 and 3 three of rubber collaboration, can effectively be dropped
Low vibration intensity.
In the present embodiment, the cavity position generally cylindrical of oil pocket 1, the side wall at 1 accent of oil pocket outwards turns down shape
Into fixed part 11, the structure of the fixed part 11 is the square sheets of square-outside and round-inside, i.e. the periphery of thin slice is square, and centre is circle
It is poroid, four of fixed part 11 while respectively close to it is each while among a part flip up to form the bag parallel with fixed part 11
Edge 12, bound edge portion 12 are located at the surface of fixed part 11, can when by bound edge portion 12 to close to the pressing of the direction of fixed part 11
With by the member grip between bound edge portion 12 and fixed part 11.
Preferably, oil pocket 1 is used and is integrally formed, during vibration damping, 1 not easily damaged oil leak of oil pocket.
Preferably, the inner wall clearance fit of damping sheet 4 and oil pocket 1, when 7 damper of silicone oil carries out vibration damping, spring 5 is subject to
Compression, damping sheet 4 and 2 bottom of support inner core can move down and submerge in silicone oil 7, and silicone oil 7 can be from damping sheet 4 and oil pocket 1
Between gap move up.
Preferably, be additionally provided with support plate 13 on the inner wall of oil pocket 1, the inner wall of support plate 13 and oil pocket 1 by being welded to connect,
Support plate 13 and the plane where the bottom of chamber of oil pocket 1 are almost parallel, and the upper surface of support plate 13 is bonded with the lower surface of rubber 3,
Rubber 3 is supported by support plate 13, prevents silicon oil damper when carrying out vibration damping, rubber 3 is altered downwards with respect to oil pocket 1
It is dynamic, cause the useful space inside oil pocket 1 to diminish, and the space that the liquid level of silicone oil 7 can rise also accordingly diminishes, effectiveness in vibration suppression
Weaken.
Preferably, which further includes reinforcer 6, and one end of reinforcer 6 is fixedly connected with the side wall of oil pocket 1,
The other end is embedded in rubber 3.Specifically, reinforcer 6 includes the first reinforcing rib 61 and the second reinforcing rib 62, the first reinforcing rib 61
Directly over the second reinforcing rib 62, the longitudinal section of the first reinforcing rib 61 and the second reinforcing rib 62 is L-shaped, and first strengthens
One side of muscle 61L shapes and one side of the second reinforcing rib 62L shapes are bonded to each other, and are set in back-to-back, i.e. the first reinforcing rib 61L shape knots
The structure of structure and the second reinforcing rib 62L shapes is oppositely arranged on the surface being bonded both it and mirror image each other, the first reinforcing rib 61L
The another side of shape and the another side of the second reinforcing rib 62L shapes are respectively positioned in rubber 3, the another side direction of the first reinforcing rib 61L shapes
The top of vertical direction, the another sides of the second reinforcing rib 62L shapes is towards the lower section of vertical direction, and the one of the first reinforcing rib 61L shapes
Side and one side of the second reinforcing rib 62L shapes are wrapped up and are clamped by bound edge portion 12 and fixed part 11 at the same time, and the present embodiment passes through four
A bound edge portion 12 coordinates fixed part 11 to clamp the first reinforcing rib 61 and the second reinforcing rib 62 from orthogonal both direction, no
Easily produce loosening.
Preferably, fixed part 11 is equipped with least two first mounting holes 111, the first reinforcing rib 61 and the second reinforcing rib
62 positions overlapping with each the first mounting hole 111 are respectively equipped with the second mounting hole 611 and the 3rd mounting hole 621.Specifically,
In the present embodiment first mounting hole 111 is respectively equipped with the position close to its four angles on fixed part 11.
Using the silicon oil damper when, can use bolt by the second mounting hole 611, the 3rd mounting hole 621 and
First mounting hole 111, is threadedly coupled on the vehicle frame with vehicle, 7 damper of silicone oil is fixedly connected with vehicle frame；Inner core will be supported
2 are fixedly connected with driver's cabin, so that when Vehicular vibration, driver's cabin is connected by silicon oil damper with vehicle frame, can be effective
Reduce the extent of vibration of driver's cabin, reduce the noise produced by vibration, improve the comfort of driver.
On the other hand, the silicon oil damper in a kind of bull-dozer, including above-mentioned each scheme is present embodiments provided.
Another further aspect, the present embodiment provides a kind of assemble method of silicon oil damper, can be adapted for any of the above-described scheme
In silicon oil damper, specifically, including：S10：Silicone oil 7 is injected into oil pocket 1 from the openend of oil pocket 1；
S20：With screw bolt passes spring 5 and the mounting hole of damping sheet 4, the bottom of support inner core 2 is threaded in, is hindered
Buddhist nun's plate 4 is located between spring 5 and support inner core 2, and the axle center of spring 5 and the axle center of support inner core 2 are on same straight line.
S30：The support inner core 2 for being provided with damping sheet 4 and spring 5 is installed in oil pocket 1, one end and the oil pocket 1 of spring 5
Bottom abut, support inner core 2 top be located at outside oil pocket 1.
S40：The internal rubber 3 for being inlaid with the first reinforcing rib 61 and the second reinforcing rib 62 is made, can be molded by embedded part
Molding mode, directly processing obtain, and corresponding processing technology is the prior art, and details are not described herein.
S50：Rubber 3 is sleeved on support inner core 2, and by it on the direction along support 2 axis of inner core, from the top down
Pressing, makes the side face of rubber 3 be bonded with the side wall of the oil pocket 1, and slowly enter in oil pocket 1, up to rubber 3 bottom surface and
After the top face contact of support plate 13, stop pressing.Judge that rubber 3 is with the method that support plate 13 contacts, rubber 3 moves down
Speed slow down, and the elastic deformation strength produced becomes larger, and elastic deformation power cannot discharge, and pass through rubber 3
With support inner core 2 by the port sealing of oil pocket 1.
It should be noted that the padded degree of rubber 3 and the height of 1 port position of oil pocket to 13 upper surface of support plate in the present embodiment
Degree is consistent, that is to say, that during rubber 3 is pressed into oil pocket 1, the upper surface of rubber 3 and the accent of oil pocket 1
After the planes align at place, it can also represent and be installed in place rubber 3.
S60：Adjust rubber 3 position, make each first mounting hole 111 and the second corresponding mounting hole 611 with
And 621 in the vertical direction of the 3rd mounting hole is overlapping.
S70：Bound edge portion 12 is pressed to close to the direction of fixed part 11, makes 62 quilt of the first reinforcing rib 61 and the second reinforcing rib
Bound edge portion 12 and fixed part 11 are clamped in centre.
The present embodiment is used as movement parts by rubber 3 and spring 5, when silicon oil damper is vibrated, the hysteresis of rubber 3
Property and the viscous damping of silicone oil 7 can consume part energy, and the compression of spring 5 can also consume part energy, so that silicon
Oil snubber can preferably reduce vibration, improve the scope of application of silicon oil damper, solve rubber damping in the prior art
The problem of pad vibration damping narrow application range, effectiveness in vibration suppression is poor.
Obviously, the above embodiment of the present invention is just for the sake of clear explanation example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
- A kind of 1. silicon oil damper, it is characterised in that includingOil pocket (1), the oil pocket (1) is interior to be marked with silicone oil (7)；Inner core (2) is supported, the bottom of the support inner core (2) is located in the oil pocket (1)；Rubber (3), the rubber (3) are sleeved on the support inner core (2), outer circumferential surface and the oil pocket (1) of the rubber (3) Inner wall fitting, the rubber (3) and the support inner core (2) are by the sealing of the accent of the oil pocket (1)；Damping sheet (4)；The spring (5) and the damping sheet (4), the bottom of the support inner core (2) is fixed on by attachment device by spring (5) Portion, and the damping sheet (4) is between the support inner core (2) and the spring (5).
- 2. silicon oil damper according to claim 1, it is characterised in that the damping sheet (4) is interior with the oil pocket (1) Wall clearance fit.
- 3. silicon oil damper according to claim 1, it is characterised in that further include support plate (13), the support plate (13) it is fixedly connected with the oil pocket (1) inner wall, the upper surface of the support plate (13) and the following table face paste of the rubber (3) Close.
- 4. silicon oil damper according to claim 1, it is characterised in that further include reinforcer (6), the reinforcer (6) One end be fixedly connected with the side wall of the oil pocket (1), the other end is embedded in the rubber (3).
- 5. silicon oil damper according to claim 4, it is characterised in that the side wall at oil pocket (1) accent is turned-out It is square fixed part (11) that folding, which forms circumferential profile, and four sides of the fixed part (11) flip up to be formed and the fixation Parallel bound edge portion (12) of portion (11), one end of the reinforcer (6) are located at the bound edge portion (12) and the fixed part (11) Between and clamped by the bound edge portion (12) and the fixed part (11).
- 6. silicon oil damper according to claim 5, it is characterised in that the reinforcer (6) includes the first reinforcing rib (61) it is located at the second reinforcing rib (62), first reinforcing rib (61) above second reinforcing rib (62), described first adds The longitudinal section of strengthening tendons (61) and second reinforcing rib (62) is L-shaped, and one side of first reinforcing rib (61) L-shaped and One side of second reinforcing rib (62) L-shaped is bonded to each other, and the another side of the first reinforcing rib (61) L-shaped and described second adds The another side of strengthening tendons (62) L-shaped is respectively positioned in the rubber (3) and is oppositely arranged, one side of the first reinforcing rib (61) L-shaped Wrapped up and pressed from both sides by the bound edge portion (12) and the fixed part (11) at the same time with one side of the second reinforcing rib (62) L-shaped Tightly, the another side of the first reinforcing rib (61) L-shaped and the another side of second reinforcing rib (62) L-shaped are positioned at same vertical flat Face.
- 7. silicon oil damper according to claim 6, it is characterised in that the fixed part (11) is equipped with least two the One mounting hole (111), first reinforcing rib (61) and second reinforcing rib (62) and each described first mounting hole (111) overlapping position is respectively equipped with the second mounting hole (611) and the 3rd mounting hole (621).
- 8. according to claim 1-7 any one of them silicon oil dampers, it is characterised in that the oil pocket (1) using one into Type.
- 9. a kind of bull-dozer, it is characterised in that including claim 1-8 any one of them silicon oil dampers.
- 10. a kind of assemble method of silicon oil damper, it is characterised in that suitable for claim 1-8 any one of them silicone oil Damper, including：Injection silicone oil (7) in from the openend of oil pocket (1) to the oil pocket (1)；Spring (5) and damping sheet (4) are fixed on to the bottom of support inner core (2), and the damping sheet (4) using attachment device Between the spring (5) and the support inner core (2)；The support inner core (2) for being provided with the spring (5) and the damping sheet (4) is installed to oil pocket (1) inside, it is described The bottom of spring (5) is contacted with the bottom surface of the oil pocket (1)；Rubber (3) is sleeved on support inner core (2), and the side face of rubber (3) is bonded with the side wall of the oil pocket (1), institute State rubber (3) and the support inner core (2) seals the accent of the oil pocket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237261.5A CN107989955A (en) | 2017-11-30 | 2017-11-30 | A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237261.5A CN107989955A (en) | 2017-11-30 | 2017-11-30 | A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper |
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| Publication Number | Publication Date |
|---|---|
| CN107989955A true CN107989955A (en) | 2018-05-04 |
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ID=62034688
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711237261.5A Pending CN107989955A (en) | 2017-11-30 | 2017-11-30 | A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996014520A1 (en) * | 1994-11-07 | 1996-05-17 | Komatsu Ltd. | Liquid-filled suspension |
| CN102494078A (en) * | 2011-12-28 | 2012-06-13 | 常州市东海橡胶厂有限公司 | High-energy consumption viscoelastic silicone oil cabin vibration damper |
| CN104141732A (en) * | 2014-07-03 | 2014-11-12 | 株洲时代新材料科技股份有限公司 | Compound shock absorber and manufacturing method and compound shock absorption method thereof |
| CN106704460A (en) * | 2017-02-20 | 2017-05-24 | 徐工集团工程机械有限公司 | Damping device and engineering vehicle |
| CN206309840U (en) * | 2016-11-04 | 2017-07-07 | 上海麦浦新材料科技有限公司 | A kind of automobile silicone oil damping device |
-
2017
- 2017-11-30 CN CN201711237261.5A patent/CN107989955A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996014520A1 (en) * | 1994-11-07 | 1996-05-17 | Komatsu Ltd. | Liquid-filled suspension |
| CN102494078A (en) * | 2011-12-28 | 2012-06-13 | 常州市东海橡胶厂有限公司 | High-energy consumption viscoelastic silicone oil cabin vibration damper |
| CN104141732A (en) * | 2014-07-03 | 2014-11-12 | 株洲时代新材料科技股份有限公司 | Compound shock absorber and manufacturing method and compound shock absorption method thereof |
| CN206309840U (en) * | 2016-11-04 | 2017-07-07 | 上海麦浦新材料科技有限公司 | A kind of automobile silicone oil damping device |
| CN106704460A (en) * | 2017-02-20 | 2017-05-24 | 徐工集团工程机械有限公司 | Damping device and engineering vehicle |
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Application publication date: 20180504 |