CN107631011A - Vibration damping support device - Google Patents
Vibration damping support device Download PDFInfo
- Publication number
- CN107631011A CN107631011A CN201710854948.7A CN201710854948A CN107631011A CN 107631011 A CN107631011 A CN 107631011A CN 201710854948 A CN201710854948 A CN 201710854948A CN 107631011 A CN107631011 A CN 107631011A
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- Prior art keywords
- support device
- shell
- vibration damping
- housing
- damping support
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- 238000013016 damping Methods 0.000 title claims abstract description 44
- 239000002689 soil Substances 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000116 mitigating effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of vibration damping support device, including：Housing；Mandrel, its one end extends out through housing, for being connected with vibration source；It is arranged in housing and is spaced two elastic components turned up the soil and be set on mandrel.Wherein, housing includes upper half-shell and housing lower half, and they are respectively provided with some U-lags for being arranged on its circumferential lateral surface.Connector links together upper half-shell and housing lower half through the U-lag of upper half-shell and housing lower half.Wherein, U-lag is configured so that connector can be radially plugged into from side.
Description
Technical field
The present invention relates to a kind of vibration damping support device, in particular for the vibration reduction support dress of the gear-box of wind power generating set
Put.
Background technology
Wind energy has received the extensive attention of countries in the world as a kind of regenerative resource of cleaning.Wind-power electricity generation is
Refer to the kinetic energy kept watch and be converted into electric energy.It is very environmentally friendly using wind-power electricity generation, and can caused by electric energy it is very huge.With the world
Wind-power market maximization, the development trend of offshore, the high-power wind-driven generator group of MW class will turn into main flow.
When the blade of blower fan is rotated and swung, wheel hub can give each transmission parts of Wind turbines to transmit very big effect
Power, so as to cause the vibration of each parts and produce noise.Therefore, the design of the damping system of all parts is particularly heavy
Will.In order to ensure the even running of each parts in the transmission system of wind power generating set, and system operation institute is reduced as far as possible
Caused noise and vibration is, it is necessary to using corresponding vibration damping anti-noise measure.Wherein, the vibration damping of gear-box is particularly important, it is necessary to sets
Count suitable vibration reduction support.In order to buffer the torsional moment that main shaft passes to gear-box, the vibration-damping supporting structure of gear-box needs
Load it is larger reversely larger bearing capacity is provided as far as possible.
In the prior art, the vibration damping support device of gear-box includes housing.Mandrel extends out out of housing, and is used for
It is connected with ring flange, to bear the vibration from gear-box by ring flange.In the inside of housing, two volute spring arrangements
On mandrel, to provide effectiveness in vibration suppression.For the sake of processing and installation convenience, housing is usually disposed as including upper and lower two half-shells
Body, they are bolted.
It is also required to be designed as because the whole height of housing is higher, therefore for connecting the bolt of upper and lower two half shells
It is longer.However, due to being connected with ring flange above mandrel, the ring flange can produce an interference effect in height, cause
Long bolt can not be inserted from above into bolt hole, thus brings many troubles in assembling.
Further, since volute spring and mandrel are arranged in the housing of vibration damping support device, it is necessary to bear larger shake
Power, therefore housing needs have very high strength and stiffness.In this case, the weight of housing is inevitably very
Greatly.This is obviously unfavorable for further improving effectiveness in vibration suppression.
The content of the invention
For above-mentioned technical problem, the present invention is intended to provide a kind of vibration damping support device, it can be convenient for assembly, while again
Amount is lighter.The vibration damping of the gear-box of wind power generating set is can be used particularly for according to the vibration absorber of the present invention.
Therefore, according to the present invention, there is provided a kind of vibration damping support device, including：Housing；Mandrel, one end of the mandrel
Extended out through the housing, for being connected with vibration source；It is arranged in the housing and is spaced to turn up the soil and is set in
Two elastic components on the mandrel.Wherein, the housing includes upper half-shell and housing lower half, the upper half-shell and lower half
Housing is respectively provided with some U-lags for being arranged on its circumferential lateral surface, and connector passes through the U-lag of the upper half-shell and housing lower half
And the upper half-shell and housing lower half link together, wherein, the U-lag is configured so that the connector can be from
Side is radially plugged into.
In a preferred embodiment, the U-lag includes the circular arc portion of radially inner side, and the groove of radial outside
Oral area point, wherein, the width of the slot-open-section is more than the diameter of the connector.
In a preferred embodiment, the diameter of the circular arc portion is more than the width of the slot-open-section.
In a preferred embodiment, it is at least one including being in center in the upper half-shell and housing lower half
The boss of frustum form.
In a preferred embodiment, the substrate diameter of a circle of the boss is than the bottom land center institute by each U-lag
Imaginary diameter of a circle small (0.5-1) the * R, wherein R of composition are the radius of the circular arc portion of the U-lag.
In a preferred embodiment, the height of the boss is chosen to (0.05-0.1) * H, and wherein H is the upper half
The height of housing or housing lower half.
In a preferred embodiment, it is at least one including being opened in outside it in the upper half-shell and housing lower half
Through hole on all sides, the through hole in the vertical direction are in the region of the elastic component.
In a preferred embodiment, the through hole is formed as mounting hole, its Longitudinal extending direction and vertical direction weight
Close.
In a preferred embodiment, described two elastic components are configured to volute spring, its taper direction phase each other
Instead.Meanwhile the mandrel includes shoulder, the shoulder both sides are equipped with inclined-plane, to install the volute spring.
In a preferred embodiment, the vibration source is the gear-box of wind power generating set, and the mandrel passes through method
Blue disk is connected with gear-box.
Brief description of the drawings
Embodiments of the invention are described in detail below in conjunction with the accompanying drawings, in figure：
Fig. 1 shows the overall structure diagram of the vibration damping support device according to the present invention.
Fig. 2 shows the viewgraph of cross-section of the upper half-shell in the vibration damping support device according to the present invention.
Fig. 3 shows the stereogram of the upper half-shell in the vibration damping support device according to the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.It should be noted that in the present invention
The Directional terms or determiner " on ", " under " that use, "left", "right", " interior ", " outer " etc. be the accompanying drawing for institute's reference and
Speech.They are not used to limit the absolute position of involved parts, but can change as the case may be.
Fig. 1 shows the overall structure of vibration damping support device 100, and the vibration damping support device 100 is particularly useful for wind-force
The vibration damping of the gear-box of generating set.As illustrated, the vibration damping support device 100 includes housing.In this embodiment, housing bag
Upper half-shell 10 and housing lower half 20 are included, they have collectively constituted a complete confined space.
Vibration damping support device 100 also includes mandrel 30, and it is positioned partially in housing, and is placed through upper half-shell 10
Opening 11 in top and extended out from housing.The upper end of mandrel 30 is connected on ring flange 40, and passes through ring flange 40
Bear the torsional moment from vibration source (such as gear-box of wind power generating set).The region in housing on mandrel 30 is set
There is shoulder 31, its both sides is respectively equipped with inclined-plane.
The elastic component 50 in top and the elastic component 50 being below are disposed with the inner space of housing.The two
Elastic component is configured to volute spring, and their taper direction is opposite each other, is respectively facing the axle of upper shell 10 and lower house 20
It is gradually reduced, and is arranged on the inclined-plane of the both sides of shoulder 31 laterally.Two elastic components 50 use and are embedded with metal bone
The elastic rubbery body of frame.Metallic framework is generally formed by multiple metal partion (metp)s substantially parallel to one another.Mandrel 30, the and of ring flange 40
The structure of the elastic component 50 of volute spring formula is well known to the skilled artisan in the art, for the sake of saving length, herein
In omit its detailed description.
As described above, the housing of vibration damping support device 100 includes upper half-shell 10 and housing lower half 20.The two half shells
With substantially the same structure, therefore hereinafter illustrated for convenience of for the sake of by taking upper half-shell 10 as an example.Such as without spy
Do not mentionlet alone bright, all structural descriptions for upper half-shell 10 are applied to housing lower half 20.
Fig. 2 and 3 respectively illustrates the viewgraph of cross-section of the upper half-shell 10 in the vibration damping support device 100 according to the present invention
And stereogram.As illustrated, upper half-shell 10 is constructed to the form of generally cylindrical body.Set in the outer circumferential of upper half-shell 10
There is the groove 12 that a circle is substantially u-shaped.Preferably, U-lag 12 is arranged uniformly in the circumferential direction, and along the axial direction of upper half-shell 10
Penetrate whole upper half-shell 10 (as shown in Figure 3).In the illustrated embodiment, 16 U-lags 12, two neighboring U are disposed with altogether
22.5 degree are spaced between shape groove 12.One circle U-lag 12 of outer circumferential of these U-lags 12 with being similarly disposed at housing lower half 20
It is in alignment with each other (see Fig. 1), unshowned connector (such as bolt-nut connector) extends there through, so as to by upper half-shell 10
It is connected to each other with housing lower half 20.
As shown in Fig. 2 U-lag 12 includes the circular arc portion 12A positioned at radially inner side, and opening wide positioned at radial outside
Slot-open-section 12B.Slot-open-section 12B width is arranged to be slightly larger than the company for being used for connecting upper half-shell 10 and housing lower half 20
The diameter of fitting (such as bolt), so that connector can be inserted into U-lag 12 from shown in side along arrow A.Additionally, it is preferred that
It is that circular arc portion 12A diameter is chosen to the width slightly larger than slot-open-section 12B so that bolt can be in U-lag 12 freely
Ground rotates.
Because the height of housing is typically greater than housing the distance between to ring flange, therefore, for connecting upper half-shell
10 and the connector (such as bolt) of housing lower half 20 can not be assembled because of the interference effect of ring flange above housing, because
And bring great inconvenience to assembly working.According to the present invention, by being provided as above in upper half-shell 10 and housing lower half 20
Described U-lag 12, connector just can be radially inserted into U-lag 12 from side, so as to connect upper half-shell 10
With housing lower half 20.Therefore, the interference effect of ring flange is avoided, and is capable of the assembling energy of upper half-shell 10 and housing lower half 20
It is enough easily to carry out.
In addition, by opening up U-lag 12 as described above in upper half-shell 10 and the circumferential lateral surface of housing lower half 20, have
Eliminate to effect a part of material of upper half-shell 10 and housing lower half 20 so that upper half-shell 10 and the weight of housing lower half 20
Great mitigation is obtained.Simultaneously as U-lag 12 is only opened in the circumferential lateral surface of housing, therefore the rigidity of whole housing
Will not be significantly affected with intensity.By this design, the overall weight of vibration damping support device 100 is dropped simultaneously
It is low, be advantageous to the raising of effectiveness in vibration suppression.
In order to further mitigate the overall weight of vibration damping support device 100, according to the present invention, in the top surface of upper half-shell 10
On cut off the part of radial outside, the boss 13 of a frustum form in center is formd, such as the institutes of Fig. 1 and 3
Show.The substrate diameter of a circle of the boss 13 is slightly less than the imaginary diameter of a circle being made up of the bottom land center of each U-lag 12.It is excellent
Selection of land, the substrate diameter of a circle of the boss 13 are smaller than the imaginary diameter of a circle being made up of the bottom land center of each U-lag 12
(0.5-1) * R, wherein R are the circular arc portion 12A of U-lag 12 radius.In addition, the height of the boss 13 for example may be selected to
(0.05-0.1) * H, wherein H are the height of upper half-shell 10.By this design, on the one hand can mitigate to greatest extent on
The weight of half shell 10, it on the other hand can ensure that upper half-shell 10 has enough strength and stiffness, because its center
The thickness in region keeps constant.
It is although not shown in figure, it being understood, however, that if desired, can also be on the bottom surface of housing lower half 20
Similar boss is formed by material removal.
In order to further mitigate the overall weight of vibration damping support device 100, according to the present invention, in the periphery of upper half-shell 10
Through hole 16 is provided with (between i.e. two neighboring U-lag 12) on side 15, as shown in figs. 1 and 3.The through hole 16 radially runs through upper half
The side wall of housing 10.So, the portion of material of upper half-shell 10 is on the one hand eliminated by perforate, alleviates vibration reduction support dress
Put 100 overall weight.On the other hand, by properly selecting the position of through hole 16 so that at the in the vertical direction of through hole 16
In in the region of elastic component 50, so as to easily observe the working condition of elastic component 50 by through hole 16.Such as ability
Known to the technical staff in domain, elastic component 50 is the strength member of vibration damping support device 100, and it continually should by very big alternation
Power, working environment is severe, easily breaks down.By setting through hole 16, it becomes possible to easily observe whether elastic component 50 goes out
It is improper now to damage or run, and so as to take appropriate maintenance measures, or even changes elastic component 50.
In one embodiment, through hole 16 is preferably formed to mounting hole, the Longitudinal extending direction of the mounting hole with it is vertical
Direction overlaps.So, the more multizone of elastic component 50 is able to observe that by through hole 16, so as to preferably to elastic component 50
Working condition judged.The quantity of through hole 16 can be as the case may be needs select, be arranged circumferentially for
Preferably.
According to the present invention, by the upper half-shell 10 of vibration damping support device 100 and the circumferential lateral surface of housing lower half 20
One circle U-lag 12 is provided, connector (such as bolt) just can be radially inserted into U-lag 12 from side, so as to
Easily to connect upper half-shell 10 and housing lower half 20, the interference effect of ring flange is avoided.Meanwhile these U-lags 12 are also
The effect for the overall weight for mitigating vibration damping support device 100 is served, is advantageous to the raising of effectiveness in vibration suppression.
In addition, according to the present invention, in the top surface and/or housing lower half 20 of the upper half-shell 10 of vibration damping support device 100
Boss is formed by excision material on bottom surface, so as to also alleviate the entirety weight of vibration damping support device 100 to a certain extent
Amount.
In addition, according to the present invention, in the upper half-shell 10 of vibration damping support device 100 and/or the side of housing lower half 20
Through hole 16 is provided with, so as to alleviate the overall weight of vibration damping support device 100 to a certain extent.Meanwhile these through holes 16 carry
Supply to be used for the convenient means for observing the elastic component 50 in housing, facility can monitor the working condition of elastic component 50 in time.
Simple structure is had according to the vibration damping support device of the present invention, there is good effect that is convenient for assembly, mitigating weight
Fruit.
Finally it should be noted that the foregoing is only the preferred embodiments of the invention, do not form to the present invention
Any restrictions.Although the present invention is described in detail with reference to foregoing embodiments, for the technology of this area
For personnel, the technical scheme described in previous embodiment can still be modified, or to which part technical characteristic
Carry out equivalent substitution.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., all should wrap
Within protection scope of the present invention.
Claims (10)
1. a kind of vibration damping support device, including：
Housing；
Mandrel, one end of the mandrel extends out through the housing, for being connected with vibration source；
It is arranged in the housing and is spaced two elastic components turned up the soil and be set on the mandrel,
Wherein, the housing includes upper half-shell and housing lower half, and the upper half-shell and housing lower half are respectively provided with and are arranged on it
Some U-lags of circumferential lateral surface, connector through the upper half-shell and housing lower half U-lag and by the upper half-shell and
Housing lower half links together, wherein, the U-lag is configured so that the connector can radially be inserted into it from side
In.
2. vibration damping support device according to claim 1, it is characterised in that the U-lag includes the circular arc of radially inner side
Part, and the slot-open-section of radial outside, wherein, the width of the slot-open-section is more than the diameter of the connector.
3. vibration damping support device according to claim 2, it is characterised in that the diameter of the circular arc portion is more than the groove
The width of oral area point.
4. the vibration damping support device according to Claims 2 or 3, it is characterised in that in the upper half-shell and housing lower half
It is at least one include in center frustum form boss.
5. vibration damping support device according to claim 4, it is characterised in that the substrate diameter of a circle ratio of the boss is by each
Imaginary diameter of a circle small (0.5-1) the * R, wherein R that the bottom land center of individual U-lag is formed are the circular arc portion of the U-lag
Radius.
6. the vibration damping support device according to claim 4 or 5, it is characterised in that the height of the boss is chosen to
(0.05-0.1) * H, wherein H are the upper half-shell or the height of housing lower half.
7. the vibration damping support device according to any one of claim 1 to 6, it is characterised in that the upper half-shell is with
At least one through hole including being opened in its circumferential lateral surface in half shell, the through hole in the vertical direction are in the bullet
In the region of property part.
8. vibration damping support device according to claim 7, it is characterised in that the through hole is formed as mounting hole, its longitudinal direction
Bearing of trend overlaps with vertical direction.
9. the vibration damping support device according to any one of claim 1 to 8, it is characterised in that described two elastic components are equal
Volute spring is configured to, its taper direction is opposite each other,
The mandrel includes shoulder, and the shoulder both sides are equipped with inclined-plane, to install the volute spring.
10. the vibration damping support device according to any one of claim 1 to 9, it is characterised in that the vibration source is wind-force
The gear-box of generating set, the mandrel are connected by ring flange with gear-box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854948.7A CN107631011B (en) | 2017-09-20 | 2017-09-20 | Vibration damping supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854948.7A CN107631011B (en) | 2017-09-20 | 2017-09-20 | Vibration damping supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107631011A true CN107631011A (en) | 2018-01-26 |
| CN107631011B CN107631011B (en) | 2024-06-11 |
Family
ID=61101353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710854948.7A Active CN107631011B (en) | 2017-09-20 | 2017-09-20 | Vibration damping supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107631011B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998059A (en) * | 2020-08-31 | 2020-11-27 | 重庆纳川重工设备制造有限公司 | Box body of gear box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998059A (en) * | 2020-08-31 | 2020-11-27 | 重庆纳川重工设备制造有限公司 | Box body of gear box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107631011B (en) | 2024-06-11 |
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