CN206221568U - A kind of shafting torsional oscillation bump leveller - Google Patents
A kind of shafting torsional oscillation bump leveller Download PDFInfo
- Publication number
- CN206221568U CN206221568U CN201621193508.9U CN201621193508U CN206221568U CN 206221568 U CN206221568 U CN 206221568U CN 201621193508 U CN201621193508 U CN 201621193508U CN 206221568 U CN206221568 U CN 206221568U
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- China
- Prior art keywords
- split
- bump leveller
- torsional oscillation
- shafting
- quality post
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- 230000010355 oscillation Effects 0.000 title claims abstract description 49
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000000806 elastomer Substances 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 241000282472 Canis lupus familiaris Species 0.000 claims description 21
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The application belongs to noise and vibration control technical field, and in particular to a kind of shafting torsional oscillation bump leveller.Shafting torsional oscillation bump leveller provided by the utility model includes:Yielding coupling, quality post, mass, bolt and bolt hole;The yielding coupling includes left split, right split and elastomer block, and the elastomer block is arranged between the left split and right split;The quality post is connected and fixed on the right end of the right split.The utility model provides a kind of compact conformation, convenient disassembly, the shafting torsional oscillation bump leveller of stable work in work, by flexibly selecting the material of each parts of bump leveller or changing its installation site, the effect of buffer shock-absorbing is reached, and reduces noise within the specific limits;Meanwhile, the cooperation between cooperation and the quality post and the right split between the left split and the shafting ensure that certain magnitude of interference, equipment is avoided to a certain extent and assembles impact that is improper and causing.
Description
Technical field
The utility model belongs to noise and vibration control technical field, and in particular to a kind of shafting torsional oscillation bump leveller.
Background technology
Vibration and its Noise measarement are always the place that people industrially compare concern, when shafting is moved, if reversing
Vibration amplitude is larger, can cause that the fatigue damage of plant equipment is increased, and the service life of equipment is reduced to a certain extent, and
Also with the generation of noise in vibration processes.At present, in order to solve the above problems, pacify often through on the appropriate location of axle
Dress torsional oscillation bump leveller, is used to lower vibration amplitude, the energy lost in decay torsional oscillation.Torsional oscillation bump leveller is by damping unit, spring
Unit and inertia mass are constituted, and when occurring a certain order more obvious torsional oscillation when shafting works, being installed on axle has
The torsional oscillation bump leveller of certain intrinsic frequency can lower vibration amplitude.In general, the quality of torsional oscillation bump leveller is bigger, it is more favourable
In the energy of decay vibration loss.
However, existing torsional oscillation bump leveller is because of its design feature, only generally there is preferable vibration damping to certain single order vibration frequency
Effect, when driving frequency changes, the effectiveness in vibration suppression of this torsional oscillation bump leveller will weaken significantly.And be directed in certain frequency
Torsional oscillation in the range of band, can be allowed to reach effectiveness in vibration suppression within the specific limits by changing the torsional oscillation bump leveller structure of itself, but
It is, due to its complex structure, to install and implement and be cumbersome.
Therefore, a kind of shafting torsional oscillation bump leveller how is developed, is applied in shafting motion process to realize buffer shock-absorbing,
Noise is reduced, is those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the utility model is supplied to a kind of shafting torsional oscillation bump leveller, and to realize buffer shock-absorbing, reduction is made an uproar
Sound.To realize above-mentioned technical purpose, concrete technical scheme of the present utility model is as follows:
A kind of shafting torsional oscillation bump leveller, including:Yielding coupling and quality post;
The yielding coupling include left split, right split and elastomer block, the elastomer block be arranged at the left split and
Between right split;
The quality post is connected and fixed on the right end of the right split by general flat key.
Preferably, multiple dogs, the dog of the left split are provided with the periphery of the left split and right split
It is inserted between two dogs of the right split, there is sky between the dog of the dog of the left split and the right split
Gap, the elastomer block is arranged in the space.
Preferably, the elastomer block includes multiple elasticity valve bodies, the dog of the elastic valve body with the left split and institute
The dog for stating right split is adjacent.
Preferably, the shafting torsional oscillation bump leveller also includes:Mass;The two ends of the quality post are provided with jack,
The mass is assigned in the jack.
Preferably, the shafting torsional oscillation bump leveller also includes:Bolt and bolt hole;
The bolt is assigned in the bolt hole, for fixing the mass;
The bolt hole is respectively arranged on the quality post and the mass, the bolt hole of the quality post and described
The position of the bolt hole of mass corresponds.
Preferably, the left split is provided with left side keyway, and the left split is fixed by general flat key with coupling of shaft system;
Cooperation between the left split and the shafting belongs to interference fit.
Preferably, the quality post is provided with right side keyway, and the quality post is connected by general flat key with the right split
Connect fixation;Cooperation between the quality post and the right split belongs to interference fit.
Compared with prior art, the utility model has the advantages that:
(1) there is provided a kind of compact conformation, mounting arrangements flexibly, the shafting torsional oscillation of low cost of manufacture, stable work in work
Bump leveller, by the flexibly material of selection each parts of bump leveller or changes its installation site so that torsional oscillation bump leveller is consolidated
There is frequency to be equal to actual torsion frequency, reach the effect of buffer shock-absorbing, and reduce noise within the specific limits;
(2) in structure design of the present utility model, cooperation and the quality between the keyway and the shafting
Cooperation between post and the right split ensure that certain magnitude of interference, equipment is avoided to a certain extent and is assembled improper and is made
Into impact;
(3) the utility model structure design is simple, convenient disassembly, has a wide range of application.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
Fig. 1 is that a kind of overall structure rotation of the shafting torsional oscillation bump leveller provided in the utility model preferred embodiment is cutd open
Face schematic diagram;
Fig. 2 is that a kind of left Split type structure of the shafting torsional oscillation bump leveller provided in the utility model preferred embodiment is illustrated
Figure;Wherein, Fig. 2 a are the right view of left Split type structure, and Fig. 2 b are the sectional view of left Split type structure;
Fig. 3 is the left split and right split of a kind of shafting torsional oscillation bump leveller provided in the utility model preferred embodiment
The rotation generalized section of junction;
Fig. 4 is a kind of right side perspective view of the shafting torsional oscillation bump leveller provided in the utility model preferred embodiment.
Specific embodiment
A kind of shafting torsional oscillation bump leveller provided by the utility model includes:Left split, elastomer block, right split, left side keys
Groove, right side keyway, quality post, mass, bolt and bolt hole.
Wherein, left split, elastomer block and right split composition yielding coupling, elastomer block connects left split and right split and is situated between
In between the two;A left side keyway is provided with left split, the left side keyway is connected by general flat key with axle;Matter
Amount post is connected by general flat key and right split, in structure design of the present utility model, the left split and the axle
The cooperation between cooperation and the quality post and the right split between system ensure that certain magnitude of interference, to a certain degree
On avoid that equipment assembling is improper and the impact that causes.Installed and fixed to easily facilitate, uniformly gone back in the outer rim of quality post
Jack is dispersed with, mass is stretched into jack, and be bolted, mass and quality post are fixed.
In actual application of the present utility model, elastomer block, mass and quality post can be changed, by adjustment certainly
Stature material and installation site reach the torsional oscillation effect of decay different frequency.Above-mentioned part collective effect reaches of the present utility model subtracting
Shake effect.
The utility model torsional oscillation bump leveller is by changing self structure and material come torsional oscillation of decaying, it is well known that bump leveller
Vibration frequency it is relevant with itself torsional rigidity and rotary inertia, i.e.,Wherein torsional rigidity is bigger, vibration
Frequency is bigger, and rotary inertia is bigger, and vibration frequency is smaller.Elastomer block, mass or quality post can be changed to change bump leveller
Intrinsic frequency, can also change the bolt fixed position of quality post and mass to change bump leveller intrinsic frequency.If torsion is shaken
Dynamic amplitude is larger, can cause that the fatigue damage of plant equipment is increased, and the service life of equipment is reduced to a certain extent, and is shaking
With the generation of noise in dynamic.Because shafting causes torsional oscillation in use, in order to solve problem above, the utility model exists
Appropriate location adds torsional oscillation bump leveller on axle, can lower vibration amplitude, and torsional oscillation bump leveller can decay the energy lost in torsional oscillation.This reality
The features such as there is simple processing, low cost, wide application with new torsional oscillation bump leveller.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The integrally-built rotation that Fig. 1 to Fig. 4 is followed successively by a kind of shafting torsional oscillation bump leveller provided in the present embodiment is cutd open
The rotation generalized section and right side perspective view of face schematic diagram, left Split type structure schematic diagram, left split and right split junction, such as
Shown in Fig. 1 to Fig. 4:
A kind of shafting torsional oscillation bump leveller provided by the utility model, including:Yielding coupling (1) and quality post (2);Institute
Stating yielding coupling includes left split (11), right split (12) and elastomer block (13), and the elastomer block (13) is arranged at the left side
Between split (11) and right split (12);The quality post (2) is connected and fixed on the right split (12) by general flat key (3)
Right end.
Wherein, 3 dogs (14), described left point are provided with the periphery of the left split (11) and right split (12)
The dog of body is inserted between two dogs of the right split, between the dog of the dog of the left split and the right split
With space, the elastomer block (13) is arranged in the space;The elastomer block (13) includes 6 elastic valves body (131), institute
State elastic valve body (131) adjacent with the dog (14) of the left split and the dog (14) of the right split.
The shafting torsional oscillation bump leveller also includes:Mass (4);The two ends of the quality post (2) are provided with 1 jack
(21), the mass (4) is assigned in the jack (21).
The shafting torsional oscillation bump leveller also includes:Bolt (5) and bolt hole (6);The bolt (5) is assigned in the bolt
In hole (6), for fixing the mass (4);The bolt hole (6) is respectively arranged at the quality post (2) and the quality
On block (4), the position of the bolt hole (6) of the quality post (2) and the bolt hole (6) of the mass (4) corresponds.
The left split (11) is provided with a keyway (111), and the left split (11) is by general flat key (3) and shafting
(7) it is connected;The quality post (2) is provided with a keyway (22), and the quality post (2) is by general flat key and the right side
Split (12) is connected.
In structure design of the present utility model, cooperation and institute between the left split (11) and the shafting (7)
The cooperation stated between quality post (2) and the right split (12) ensure that certain magnitude of interference, avoids set to a certain extent
The impact that standby assembling is improper and causes.
The utility model provide a kind of compact conformation, mounting arrangements flexibly, the axle of low cost of manufacture, stable work in work
It is torsional oscillation bump leveller, by flexibly selecting the material of each parts of bump leveller or changing its installation site so that torsional oscillation absorbing
The intrinsic frequency of device is equal to actual torsion frequency, reaches the effect of buffer shock-absorbing, and reduce noise within the specific limits.In this reality
With in new structure design, between the cooperation and the quality post and the right split between the keyway and the shafting
Cooperation ensure that certain magnitude of interference, avoid that equipment assembling is improper to a certain extent and the impact that causes.This practicality is new
Type structure design is simple, convenient disassembly, has a wide range of application.
Claims (7)
1. a kind of shafting torsional oscillation bump leveller, including:Yielding coupling and quality post;
The yielding coupling includes left split, right split and elastomer block, and the elastomer block is arranged at the left split and right point
Between body;
The quality post is connected and fixed on the right end of the right split.
2. shafting torsional oscillation bump leveller according to claim 1, it is characterised in that the periphery of the left split and right split
On be provided with multiple dogs, the dog of the left split is inserted between two dogs of the right split, the left split
Dog and the dog of the right split between there is space, the elastomer block is arranged in the space.
3. shafting torsional oscillation bump leveller according to claim 1, it is characterised in that the elastomer block includes multiple elasticity valves
Body, the elastic valve body is adjacent with the dog of the left split and the dog of the right split.
4. shafting torsional oscillation bump leveller according to claim 1, it is characterised in that also include:Mass;The quality post
Two ends are provided with jack, and the mass is assigned in the jack.
5. shafting torsional oscillation bump leveller according to claim 4, it is characterised in that also include:Bolt and bolt hole;
The bolt is assigned in the bolt hole, for fixing the mass;
The bolt hole is respectively arranged on the quality post and the mass, the bolt hole and the quality of the quality post
The position of the bolt hole of block corresponds.
6. shafting torsional oscillation bump leveller according to claim 1, it is characterised in that the left split is provided with left side keyway,
The left split is fixed by general flat key with coupling of shaft system;Cooperation between the left split and the shafting belongs to interference and matches somebody with somebody
Close.
7. shafting torsional oscillation bump leveller according to claim 1, it is characterised in that the quality post is provided with right side keyway,
The quality post is connected by general flat key with the right split;Cooperation category between the quality post and the right split
In interference fit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621193508.9U CN206221568U (en) | 2016-10-28 | 2016-10-28 | A kind of shafting torsional oscillation bump leveller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621193508.9U CN206221568U (en) | 2016-10-28 | 2016-10-28 | A kind of shafting torsional oscillation bump leveller |
Publications (1)
Publication Number | Publication Date |
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CN206221568U true CN206221568U (en) | 2017-06-06 |
Family
ID=58792990
Family Applications (1)
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CN201621193508.9U Expired - Fee Related CN206221568U (en) | 2016-10-28 | 2016-10-28 | A kind of shafting torsional oscillation bump leveller |
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CN (1) | CN206221568U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107120383A (en) * | 2017-06-19 | 2017-09-01 | 哈尔滨工程大学 | A kind of phonon crystal vibration absorbing coupling |
CN110865304A (en) * | 2019-11-27 | 2020-03-06 | 长沙理工大学 | Turbo generator set shafting torsional vibration damping method with additional disc type vibration damping structure |
CN114215880A (en) * | 2021-12-23 | 2022-03-22 | 奇瑞汽车股份有限公司 | Torsional vibration damper and parameter determination method |
-
2016
- 2016-10-28 CN CN201621193508.9U patent/CN206221568U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107120383A (en) * | 2017-06-19 | 2017-09-01 | 哈尔滨工程大学 | A kind of phonon crystal vibration absorbing coupling |
CN107120383B (en) * | 2017-06-19 | 2018-12-11 | 哈尔滨工程大学 | A kind of phonon crystal vibration absorbing coupling |
CN110865304A (en) * | 2019-11-27 | 2020-03-06 | 长沙理工大学 | Turbo generator set shafting torsional vibration damping method with additional disc type vibration damping structure |
CN114215880A (en) * | 2021-12-23 | 2022-03-22 | 奇瑞汽车股份有限公司 | Torsional vibration damper and parameter determination method |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 |
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CF01 | Termination of patent right due to non-payment of annual fee |