CN201228609Y - Elastic support element for wind power plant - Google Patents
Elastic support element for wind power plant Download PDFInfo
- Publication number
- CN201228609Y CN201228609Y CNU2008200538029U CN200820053802U CN201228609Y CN 201228609 Y CN201228609 Y CN 201228609Y CN U2008200538029 U CNU2008200538029 U CN U2008200538029U CN 200820053802 U CN200820053802 U CN 200820053802U CN 201228609 Y CN201228609 Y CN 201228609Y
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- elastic support
- wind power
- bearing
- neva
- radius
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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
An elastic support element for wind power generation equipment is characterized in that an elastic support is arranged on both sides of a gear box in a bearing in a radial pre-tightening compression manner to form gear box elastic support of a wind power generation set. The radial pre-tightening compression manner comprises the step of arranging the elastic support in the bearing after subjecting the elastic support to radial compression by using a special compression tool or directly using the bearing, so that the elastic support tightly clasps a core shaft and generates a certain pre-compression force. The gear box elastic support of the wind power generation set comprises an elastomer, outer tiles and inner tiles, wherein the outer tile has a multi-lobe arc-shaped structure including more than two lobes; the elastomer has at least one layer; the elastic support is an integral structure or a separable combination structure; each outer tile is a concentric arc in the initial state relative to the inner tile; and both the outer tile and the inner tile, as well as the core shaft and the bearing, are a variable-radius structure with different radii.
Description
Technical field
The utility model relates generally to a kind of support device of wind-power electricity generation group equipment, especially a kind of elastic support that is applied to wind-power electricity generation group equipment vibration damping, and the gear-box that is mainly used in the wind power generating set transmission system supports.The vibration isolation that this model utility is equally applicable to equipment such as vehicle, boats and ships, engineering machinery connects.
Background technique
The wind power generating set transmission system is mainly 3 point type supporting way, and as shown in Figure 1, wherein first support is main bearing 2, between draught fan impeller 1 and main shaft 3; Second is supported for gear-box support 5, is positioned on the gear-box 4; Thirdly be supported for motor 7 and support, motor connects with gear-box 4 by coupling 6.Supported at three point all is installed on the mainframe 8, and mainframe 8 is installed in again on the tower tube 9.Because of the rotation of blade and swing can be transmitted each transmission part that very large power and moment are given the wind-powered electricity generation unit; therefore the reliability of each parts connection part seems particularly important; in order to make the part in the transmission system not be subjected to destroy; particularly in order to protect gear-box; the support of wind-power electricity generation must be adopted elastic support; in order to resist above-mentioned power and moment; this elastic support provides big bearing capacity then to realize little constraint as far as possible in the less direction of load in the big direction of load as far as possible, promptly can not compensate the deviation that respectively is supported in the installation process to be produced and need not add simultaneously too big power.
The elastic support of known wind power generating set generally is installed in the mounting hole of gear-box both sides, adopts the rubber-metal assembly parts mostly.D.B.P. (patent No. is DE29924608) discloses a kind of up-to-date wind-driven generator elastic support, the elastic support of a kind of typical wind power generating set that Here it is, such elastic supporting member for supporting optical member is the rubber-metal assembly parts, and rubber metal spring is to be combined into by the eyelet more than two layers and the above vulcanization of rubber of one deck together.But the elastic support of existing wind power generating set has certain compressibility in order to guarantee elastic element after installation, generally all take two lobes or many lobes outer ring structure, and the relative inner ring in outer ring is eccentric state when original state, all need to install, to guarantee to have certain compressibility by combinations such as jumbo oil cylinder and high-intensity pull bar compression.This installation process jumbo oil cylinder of needs and high-intensity pull bar etc. are used in combination just can be finished, and setting pressure is big, the pull bar fatigue damage all very easily has an accident, and is dangerous high, and the installation process frock easily ruptures.Simultaneously it also is extremely difficult dismounting and a kind of scheme of safeguarding, when whole machine installation after wind energy turbine set, in the cabin, almost can not realize changing.Therefore necessary this is improved.
The model utility content
The purpose of this utility model is at the deficiency of existing wind-driven generator group wheel box with elastic support, proposes a kind ofly can improve wind-driven generator group wheel box usefulness elastic support element.Required compressive force that this resilient support members can effectively reduce elastic support when installing, and the pretightening force after the compression is better.Can reduce blower fan infringement to equipment under various loadings, and the transmission of block noise.The load that elastic support can bear is at 100kN～3000kN.
Technological scheme provided by the utility model is: a kind of wind-driven generator group wheel box elastic support installation method, elastic support is installed on the gear-box both sides, adopt the radial tightening compress mode that elastic support is installed in the bearing, form the wind-driven generator group wheel box elastic support.Described radial tightening compress mode is: with elastic support by special-purpose tool of compression or directly utilize bearing that elastic support is implemented radial compression to be placed in the bearing, to make elastic support hold mandrel tightly, and produce certain pre-compression force.Described enforcement radial compression is meant implements compression to outer watt of elastic support or Neva by the center of outer watt or Neva end outside successively watt or Neva to the middle part.
According to the wind-driven generator group wheel box elastic support that said method proposed be: a kind of wind-driven generator group wheel box elastic support comprises elastomer, outer watt, Neva, and outer watt is the above many lobes arcuate structures of two lobes, described elastomer is at least more than one deck, characteristics are: elastic support is overall structure or split composite structure, each outer watt relative Neva is an isocentric circular arc in original state, and outer watt and Neva and mandrel and bearing are the change radius structure of unequal radius; Wherein, outer watt radius is greater than the inside radius of corresponding erection support, and the radius of Neva is less than or equal to the outer radius of mandrel.Described outer watt can be the two halves structure, also can be the above many valve structures of two halves; The completely circular structure that described Neva can match with the mandrel cylindrical also can be two bodies or many valve structure separately.
The utility model advantage is: adopt the variable-diameter structure elastic support, by the radial tightening compress mode elastic support is installed on the gear-box both sides, have and install or change conveniently, do not need complete machine is hung from wind field, can change in the above.And described elastomer can change the number of plies, select different elastic materials to adjust its elasticity and rigidity.When the load of being born has significantly when asymmetric, upper and lower two lobes can be designed to different hardness and rigidity.Therefore, when actual motion, the elastomer with higher rigidity can be placed on the side that need bear strong load, therefore under the situation of stand under load not, mandrel is not or not the neutral position, and it has nonsymmetry, when bearing the power that produces because of rotation, the then approximate central point of getting back to, thereby make elastomer no matter which direction all only to produce less distortion, therefore under big precompression, under the little working amplitude in, but the life-span significant prolongation of product, and have the small and exquisite characteristics of structure.Adopt elastic support of the present utility model and installation method thereof, installation process has been saved oil cylinder, pull bar equal pressure equipment, installation process is safer, can significantly reduce required pressure is installed, reduce the condition of installing, not only can save greatly the labour force is installed, can also guarantee effectively that elastic support can not be damaged in installation process.The precompression of the whole circle of product, the better effects if of its pretension is reaching under the same pretightening force condition, and the structure of product can design compactlyer, and product also thickness can be thinner.
Description of drawings
Fig. 1 installs general illustration for the wind-driven generator group wheel box elastic support;
Fig. 2 is the utility model wind-driven generator group wheel box elastic support scheme of installation;
Fig. 3 is that the utility model wind-driven generator group wheel box elastic support is installed the side generalized section;
Fig. 4 is a kind of elastic support structure schematic representation of the utility model wind-driven generator group wheel box;
Fig. 5 is the utility model wind-driven generator group wheel box elastic support installation procedure schematic representation;
Fig. 6 is the another kind of wind-driven generator group wheel box elastic support of a utility model scheme of installation;
Fig. 7 is the another kind of wind-driven generator group wheel box elastic support structure of a utility model schematic representation.
Among the figure: 1, draught fan impeller; 2, main bearing; 3, main shaft; 4, gear-box; 5, gear-box supports; 6, coupling; 7, motor; 8, mainframe; 9, tower tube; 10, elastic support; 11, gear-box; 12, bearing; 13, mandrel; 14, elastomer; 15, outer watt; 16, Neva; 17, every watt; 210, elastic support; 211, gear-box; 212, bearing; 213, mandrel; 214, elastomer; 215, outer watt; 216, Neva.
Embodiment
The utility model will be further described below in conjunction with specific embodiment.
Accompanying drawing 1 has illustrated that the utility model is a kind of wind-driven generator group wheel box elastic support installation method and device,
Embodiment one
Accompanying drawing 2 and accompanying drawing 3 have shown a kind of wind-driven generator group wheel box elastic support installation method of the present utility model, wind-driven generator group wheel box elastic support 10 is installed on the wind-driven generator group wheel box 11, adopt two valve structure elastic support, and elastic support 10 is installed on gear-box 11 both sides, and bearing 12 by upper and lower two halves structure, adopt the radial tightening compress mode that elastic support is installed in the bearing 12, form the wind-driven generator group wheel box elastic support.Described radial tightening compress mode is: earlier with in the upper and lower two halves bearing 12 of placing respectively of two lobe elastic support 10, and radial compression fits together the interior circle of elastic support 10 outer rings and bearing 12, mandrel 13 placed on elastic support 10 inner rings of half bearing that elastic support 10 is housed again; Mandrel 13 cylindricals make mandrel 13 can not drop to the end greater than the interior circle of elastic support 10 at this moment, maintain certain clearance; Bearing 12 left-hand threads that again second half pressed elastic support 10 make mandrel 13 and two lobe elastic support, 10 top and the bottom all have the gap on mandrel 13; By special-purpose tool of compression or directly utilize the fastening pieces 18 in the bearing 12 that two lobe bearings are compressed to together, make the interior circle of two lobe elastic support hold mandrel tightly, and produce certain pre-compression force again.Described enforcement radial compression is meant implements compression to outer watt of elastic support or Neva by the center of outer watt or Neva end outside successively watt or Neva to the middle part.The whole erection technological process as shown in Figure 5.
According to wind-driven generator group wheel box elastic support that said method proposed as shown in Figure 4: as can be seen from accompanying drawing 3, wind-driven generator group wheel box elastic support 10 of the present utility model comprises elastomer 14, outer watt 15, Neva 16, and outer watt 15 is two lobe arcuate structures, described elastomer 14 is two-layer, between two layers of elastomer, be provided with every watts 17, characteristics are: elastic support 10 is overall structures, the Neva 16 of elastic support 10 is two lobe arcuate structures the same with outer watt 15, the relative Neva of outer watt 15 of each lobe 16 is isocentric circular arc in original state, form two part-annular elastic supports, and outer watt 15 and Neva 16 is the change radius structure of unequal radius with mandrel 13 and bearing 12; Wherein, outer watt 15 radius is greater than the inside radius of corresponding erection support 12, and the radius of Neva 16 is less than or equal to the outer radius of mandrel 13.Described elastomer 14 every layer be discrete two-stage structure, and, make the intermediate portion of each lobe elastic support form a space every watts 17 also being the discontinuous two sections arcuate structures that match with every layer of elastomer.
Embodiment two
Fig. 6 has represented another kind of wind-driven generator group wheel box elastic support installation method, adopt the elastic support 210 of overall structure form, elastic support 210 is installed on gear-box 211 both sides, and bearing 212 is the overall structure bearing, adopt the radial tightening compress mode that elastic support 210 is installed in the bearing 211, form the wind-driven generator group wheel box elastic support.Described radial tightening compress mode is that elastic support 210 inner rings are enclosed within on the mandrel 213, again radial compression is implemented in the outer ring and is placed in the bearing, makes elastic support 210 produce certain pre-compression force and is installed in the bearing 212.Described enforcement radial compression is meant by special-purpose tool of compression implements radial compression to outer watt of elastic support 210 center by outside successively watt to the middle part of outer watt or end, until with elastic support less than the bearing internal diameter, again elastic support is installed in the bearing.
Fig. 7 is the wind-driven generator group wheel box elastic support 210 according to said method proposed, described a kind of wind-driven generator group wheel box elastic support 210, comprise elastomer 214, outer watt 215, Neva 216, and outer watt 215 is the pintongs arcuate structure, described elastomer 214 is one deck, characteristics are: whole elastic support 210 is overall structures, each outer watt 215 relative Neva 216 is an isocentric circular arc in original state, and outer watt 215 endoporus with bearing 212 is the change radius structure of unequal radius; Outer watt 215 radius is greater than the inside radius of corresponding erection support 212.The internal diameter of Neva 216 and mandrel 213 match.
The elastic support of the foregoing description is mainly formed by metal parts and elastomer assembling, elastic support is radial precompressed, look different scheme and can finish in parts manufacturer factory, also can finish in the composing room of main engine factory, it has changed this shortcoming that mode in the past can't be changed.
Elastomeric rigidity Design is because of taking into full account the load that it bears, and the amount of deformation that allows under loading, therefore can obtain reliable test data in conjunction with the method for test by the means of emulation, and the pre compressed magnitude design is also so same.
Claims (6)
1, a kind of wind power plant resilient support members, comprise elastomer, outer watt, Neva, and outer watt is the above many lobes arcuate structures of two lobes, described elastomer is at least more than one deck, it is characterized in that: elastic support is overall structure or split composite structure, each outer watt relative Neva is an isocentric circular arc in original state, and outer watt and Neva and mandrel and bearing are the change radius structure of unequal radius.
2, wind power plant resilient support members as claimed in claim 1 is characterized in that: outer watt radius is greater than the inside radius of corresponding erection support, and the radius of Neva is less than or equal to the outer radius of mandrel.
3, wind power plant resilient support members as claimed in claim 1 is characterized in that: described outer watt is the two halves structures.
4, wind power plant resilient support members as claimed in claim 1 is characterized in that: described outer watt is the above many valve structures of two halves.
5, wind power plant resilient support members as claimed in claim 1 is characterized in that: described Neva is the completely circular structure that matches with the mandrel cylindrical.
6, wind power plant resilient support members as claimed in claim 1 is characterized in that: described Neva is two bodies or many valve structure separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200538029U CN201228609Y (en) | 2008-07-22 | 2008-07-22 | Elastic support element for wind power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200538029U CN201228609Y (en) | 2008-07-22 | 2008-07-22 | Elastic support element for wind power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228609Y true CN201228609Y (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200538029U Expired - Lifetime CN201228609Y (en) | 2008-07-22 | 2008-07-22 | Elastic support element for wind power plant |
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| CN (1) | CN201228609Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056801A (en) * | 2012-12-14 | 2013-04-24 | 北车风电有限公司 | Main transmission chain completion assembly tool for fan and method thereof |
| CN103470623A (en) * | 2013-09-13 | 2013-12-25 | 三一汽车制造有限公司 | Support device and mechanical equipment |
| CN104864013A (en) * | 2015-04-17 | 2015-08-26 | 株洲时代新材料科技股份有限公司 | Shock absorber |
| CN110513415A (en) * | 2019-09-24 | 2019-11-29 | 履地科技(天津)有限公司 | A kind of stiffness variable flexural pivot and rigidity-changing method |
| CN110630436A (en) * | 2019-08-29 | 2019-12-31 | 华电电力科学研究院有限公司 | Over-standard control device for tile vibration transverse vibration acceleration in engine room of wind turbine generator and logic design method |
-
2008
- 2008-07-22 CN CNU2008200538029U patent/CN201228609Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056801A (en) * | 2012-12-14 | 2013-04-24 | 北车风电有限公司 | Main transmission chain completion assembly tool for fan and method thereof |
| CN103056801B (en) * | 2012-12-14 | 2015-12-02 | 北车风电有限公司 | A kind of blower fan main drive chain completion assembly tooling and method thereof |
| CN103470623A (en) * | 2013-09-13 | 2013-12-25 | 三一汽车制造有限公司 | Support device and mechanical equipment |
| CN103470623B (en) * | 2013-09-13 | 2015-12-23 | 三一汽车制造有限公司 | A kind of support device and machinery |
| CN104864013A (en) * | 2015-04-17 | 2015-08-26 | 株洲时代新材料科技股份有限公司 | Shock absorber |
| CN110630436A (en) * | 2019-08-29 | 2019-12-31 | 华电电力科学研究院有限公司 | Over-standard control device for tile vibration transverse vibration acceleration in engine room of wind turbine generator and logic design method |
| CN110513415A (en) * | 2019-09-24 | 2019-11-29 | 履地科技(天津)有限公司 | A kind of stiffness variable flexural pivot and rigidity-changing method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090429 |