CN209212828U - Flexible connecting structure is used in a kind of transmission of wind-driven generator - Google Patents
Flexible connecting structure is used in a kind of transmission of wind-driven generator Download PDFInfo
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- CN209212828U CN209212828U CN201821769640.9U CN201821769640U CN209212828U CN 209212828 U CN209212828 U CN 209212828U CN 201821769640 U CN201821769640 U CN 201821769640U CN 209212828 U CN209212828 U CN 209212828U
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- coupler
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- hydraulic tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a kind of wind-driven generator transmission flexible connecting structures, including axis one, axis two and the first half a coupler and the second half a coupler, the boss side of first half a coupler and the second half a coupler is mutually inserted, and hydroelastic system element is equipped between adjacent lands, hydroelastic system element is alternately fixed with first half a coupler and the second half a coupler, and the first hydroelastic system element on half a coupler is connected with each other by the first hydraulic tube, the hydroelastic system element on the second half a coupler passes through the interconnection of the second hydraulic tube.The utility model can better adapt to shaft run-out and axial float, with pooling feature, the momentary spike shock loading that wind wheel passes over can be filtered, solve the problems, such as that the loaded complexity of related components on transmission chain, shock loading is larger, fatigue life is caused to decline, the risk for reducing components initial failure, improves the global reliability of Wind turbines.
Description
Technical field
The utility model relates to technical field of wind power generation, and in particular to a kind of wind-driven generator transmission flexible connection knot
Structure.
Background technique
Currently, the connection between the slow-speed shaft and output shaft of wind power generating set generally uses the rigidity such as expansion sleeve or flange
Connection type, as shown in Figure 1.The connection structure has the following problems:
1, the additional load formed by low speed shaft run-out and axial float can be directly passed to subsequent components, make
The subsequent loaded complication of components；
2, the factors such as the variation of wind speed, the hysteresis of variable pitch, motor torque control will form shock loading in operational process,
Rigid connection prevents these shock loadings to be directly passed to the subsequent transmission chain related components of wind wheel from being buffered；
3, the vibration that transmission chain can be caused bigger.
The above problem can make related components fatigue on subsequent transmission chain, influence the service life.
Utility model content
The purpose of this utility model is to provide a kind of wind-driven generator transmission flexible connecting structure, the connection structure energy
Shaft run-out and axial float are enough better adapted to, there is pooling feature, the instantaneous point that wind wheel passes over can be filtered
Peak shock loading, solve related components on transmission chain it is loaded it is complicated, shock loading is larger, causes what fatigue life declined to ask
Topic reduces the risk of components initial failure, improves the global reliability of Wind turbines.
To achieve the goals above, the technical solution of the utility model is:
A kind of wind-driven generator transmission flexible connecting structure, including axis one, axis two and it is separately positioned on the axis one
The first half a coupler and the second half a coupler of the claw of two end of end and axis, first half a coupler and the second half shaft couplings
The boss side of device is mutually inserted, and hydroelastic system element is equipped between adjacent lands, the hydroelastic system element alternately with it is described
First half a coupler and the second half a coupler are fixed, and the hydroelastic system element on the first half a coupler passes through the first hydraulic tube phase
It connects, the hydroelastic system element on the second half a coupler is connected with each other by the second hydraulic tube.
Compared with prior art, the utility model has the beneficial effects that
1, hydroelastic system element is arranged in the utility model between the boss gap of the first half a coupler and the second half a coupler,
Hydroelastic system element has biggish torsion stiffness and lower shear stiffness, can filter while transmitting large torque radial
Bounce and axial float are formed by additional load, solve related components on transmission chain it is loaded it is complicated, shock loading is larger, leads
The problem of causing fatigue life decline, reduces the risk of components initial failure, improves the global reliability of Wind turbines；
2, the hydroelastic system element on the first half a coupler of the utility model is connected with each other by the first hydraulic tube, and the second half
Hydroelastic system element on shaft coupling is connected with each other by the second hydraulic tube, two closed hydraulic circuits is formed altogether, so that liquid
Compression elasticity element can dynamically adapt to change in torque, to relatively evenly transmit torque by hydroelastic system shaft coupling, buffer
The mutation torque that wind wheel passes over, solve related components on transmission chain it is loaded it is complicated, shock loading is larger, leads to the tired longevity
The problem of life decline, the risk of components initial failure is reduced, the global reliability of Wind turbines is improved.
Further improvement of the utility model scheme is as follows:
Further, the hydroelastic system element is fixed by bolt and the boss.
Further, first hydraulic tube and the second hydraulic tube are high-pressure hose, and the first hydraulic tube and second hydraulic
Pipe is respectively sleeved on first half a coupler and the second half a coupler.
By using above scheme, high-pressure hose is set on the first half a coupler and the second half a coupler and hydroelastic system
Element connection, constitutes two closed hydraulic circuits.
Further, the hydroelastic system element includes the elastomer of cylindricity and is arranged in the elastic body side surface
Mounting plate, the elasticity are filled with liquid, and the diameter of elastomer is matched with the adjacent lands gap, and the length of elastomer is big
In the boss depth, the hydroelastic system element is fixed on the boss by the mounting plate.
By using above scheme, by fluid pressure in control elastomer, so that elastomer has biggish torsion rigid
Degree and lower shear stiffness, when axis one is by circular runout and axial float, elastomer is loaded by compressing buffering institute,
Axis two is not affected；When elastomer is when transmitting torque, the buffering being mutated to torque can be completed.
Further, the second shell for further including the first shell being arranged in outside the axis one and being arranged in outside the axis two
Body, the first shell end are equipped with seam allowance, and the second shell is positioned by the seam allowance rigidly to be connected with the first shell
It connects.
It by using above scheme, positions and is rigidly connected by seam allowance between first shell and second shell, more to neutrality
It is good, it can be further ensured that stable structure, reduce the bounce of axis.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is transmission connecting structure in the prior art.
Fig. 2 is the structural schematic diagram of the embodiments of the present invention.
It is as shown in the figure:
1, axis one；
2, axis two；
3, the first half a coupler；
4, the second half a coupler；
5, boss；
6, hydroelastic system element；601, elastomer；602, mounting plate；
7, the first hydraulic tube；
8, the second hydraulic tube；
9, bolt；
10, first shell；1001, seam allowance；
11, second shell.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.The meaning of " plurality " is two in the description of the present invention,
More than, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Fig. 1 is transmission connecting structure in the prior art.
Fig. 2 is the structural schematic diagram of the embodiments of the present invention.
As shown in Fig. 2, a kind of wind-driven generator transmission flexible connecting structure, including axis 1, axis provided in this embodiment
22 and be separately positioned on 22 end of axis 1 and axis claw the first half a coupler 3 and the second half a coupler 4.
5 side of boss of first half a coupler 3 and the second half a coupler 4 is mutually inserted, and is equipped between adjacent lands 5 hydraulic
Elastic element 6.
Hydroelastic system element 6 includes elastomer 601 and the mounting plate 602 that 601 side of elastomer is arranged in, elastomer
Filled with liquid in 601,601 diameter of elastomer is matched with 5 gap of adjacent lands, and 601 length of elastomer is greater than 5 depth of boss.
The boss 5 and the second half a coupler that elastomer 601 passes through mounting plate 602 and bolt 9 alternating and the first half a coupler 3
4 boss 5 is fixed.
Hydroelastic system element 6 on first half a coupler 3 is connected with each other by the first hydraulic tube 7, on the second half a coupler 4
Hydroelastic system element 6 pass through the second hydraulic tube 8 be connected with each other, formed two closed hydraulic circuits.
First hydraulic tube 7 and the second hydraulic tube 8 are high-pressure hose, and the first hydraulic tube 7 and the second hydraulic tube 8 are arranged respectively
On the first half a coupler 3 and the second half a coupler 4.
Axis 1 is externally provided with first shell 10, and 10 end of first shell is equipped with seam allowance 1001.
Axis 22 is externally provided with second shell 11, and second shell 11 is positioned by seam allowance 1001 and first shell 10 and with first
Shell 10 is rigidly connected.
Hydroelastic system element 6 is arranged in the present embodiment between 5 gap of boss of the first half a coupler 3 and the second half a coupler 4,
Hydroelastic system element 6 has biggish torsion stiffness and lower shear stiffness, can filter axis while transmitting large torque
Circular runout and axial float be formed by additional load, solve the loaded complicated, shock loading of related components on transmission chain
Larger, the problem of causing fatigue life to decline, reduces the risk of components initial failure, improves the whole reliable of Wind turbines
Property；
Hydroelastic system element 6 on the first half a coupler of the present embodiment 3 is connected with each other by the first hydraulic tube 7, and the second half
Hydroelastic system element 6 on shaft coupling 4 is connected with each other by the second hydraulic tube 8, forms two closed hydraulic circuits altogether, so that
Hydroelastic system element 6 can dynamically adapt to change in torque, so that axis 1 be made relatively evenly to transmit by hydroelastic system shaft coupling
Torque, the mutation torque that passes over of buffering wind wheel, solve related components on transmission chain it is loaded it is complicated, shock loading is larger,
The problem of causing fatigue life to decline, reduces the risk of components initial failure, improves the global reliability of Wind turbines.
The present embodiment has biggish torsion stiffness and lower by fluid pressure in control elastomer 601, elastomer 601
Shear stiffness, when axis 1 is by circular runout and axial float, elastomer 601 by compressing buffer loaded, axis two
2 are not affected；When elastomer 601 is when transmitting torque, the buffering being mutated to torque can be completed.
It positions and is rigidly connected by seam allowance 1001 between the present embodiment first shell 10 and second shell 11, more to neutrality
It is good, it can be further ensured that stable structure, reduce the bounce of axis.
In the specification of the utility model, numerous specific details are set forth.It is to be appreciated, however, that the reality of the utility model
Applying example can practice without these specific details.In some instances, well known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this specification.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (5)
1. a kind of wind-driven generator transmission flexible connecting structure, which is characterized in that including axis one, axis two and be separately positioned on
The first half a coupler and the second half a coupler of the claw of two end of the axis one end and axis, first half a coupler and
The boss side of two half a couplers is mutually inserted, and hydroelastic system element is equipped between adjacent lands, and the hydroelastic system element is handed over
It is fixed for first half a coupler and the second half a coupler, and the hydroelastic system element on the first half a coupler passes through first
Hydraulic tube is connected with each other, and the hydroelastic system element on the second half a coupler is connected with each other by the second hydraulic tube.
2. a kind of wind-driven generator transmission flexible connecting structure according to claim 1, which is characterized in that described hydraulic
Elastic element is fixed by bolt and the boss.
3. a kind of wind-driven generator transmission flexible connecting structure according to claim 1, which is characterized in that described first
Hydraulic tube and the second hydraulic tube are high-pressure hose, and the first hydraulic tube and the second hydraulic tube are respectively sleeved at the first half shaft coupling
On device and the second half a coupler.
4. a kind of wind-driven generator transmission flexible connecting structure according to claim 1, which is characterized in that described hydraulic
Elastic element includes the elastomer of cylindricity and the mounting plate that the elastic body side surface is arranged in, and the elasticity is filled with liquid
Body, the diameter of elastomer are matched with the adjacent lands gap, and the length of elastomer is greater than the boss depth, the hydraulic bullet
Property element is fixed on the boss by the mounting plate.
5. a kind of wind-driven generator transmission flexible connecting structure according to any one of claims 1 to 4, which is characterized in that
The second shell for further including the first shell being arranged in outside the axis one and being arranged in outside the axis two, the first shell body end
Portion is equipped with seam allowance, and the second shell is rigidly connected by seam allowance positioning with the first shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769640.9U CN209212828U (en) | 2018-10-30 | 2018-10-30 | Flexible connecting structure is used in a kind of transmission of wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769640.9U CN209212828U (en) | 2018-10-30 | 2018-10-30 | Flexible connecting structure is used in a kind of transmission of wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212828U true CN209212828U (en) | 2019-08-06 |
Family
ID=67457393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821769640.9U Active CN209212828U (en) | 2018-10-30 | 2018-10-30 | Flexible connecting structure is used in a kind of transmission of wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212828U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081084A (en) * | 2018-10-30 | 2019-08-02 | 中国船舶重工集团海装风电股份有限公司 | Flexible connecting structure is used in a kind of transmission of wind-driven generator |
| CN113768380A (en) * | 2021-08-25 | 2021-12-10 | 珠海格力电器股份有限公司 | Crushing device |
| CN114412932A (en) * | 2022-01-26 | 2022-04-29 | 北京三力新能科技有限公司 | Low-speed elastic coupling of wind generating set |
-
2018
- 2018-10-30 CN CN201821769640.9U patent/CN209212828U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081084A (en) * | 2018-10-30 | 2019-08-02 | 中国船舶重工集团海装风电股份有限公司 | Flexible connecting structure is used in a kind of transmission of wind-driven generator |
| CN113768380A (en) * | 2021-08-25 | 2021-12-10 | 珠海格力电器股份有限公司 | Crushing device |
| CN113768380B (en) * | 2021-08-25 | 2023-03-28 | 珠海格力电器股份有限公司 | Crushing device |
| CN114412932A (en) * | 2022-01-26 | 2022-04-29 | 北京三力新能科技有限公司 | Low-speed elastic coupling of wind generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210924 Address after: 401122 No. 30 Jinyu Avenue, Jingkaiyuan, North New District of Chongqing Patentee after: CSIC HAIZHUANG WINDPOWER Co.,Ltd. Patentee after: China Shipbuilding Group Co.,Ltd. Address before: 401122 No. 30 Jinyu Avenue, Jingkaiyuan, North New District of Chongqing Patentee before: CSIC HAIZHUANG WINDPOWER Co.,Ltd. |
|
| TR01 | Transfer of patent right |