CN102324799B - Generator vibration reduction support for wind generating set - Google Patents
Generator vibration reduction support for wind generating set Download PDFInfo
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- CN102324799B CN102324799B CN 201110273448 CN201110273448A CN102324799B CN 102324799 B CN102324799 B CN 102324799B CN 201110273448 CN201110273448 CN 201110273448 CN 201110273448 A CN201110273448 A CN 201110273448A CN 102324799 B CN102324799 B CN 102324799B
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Abstract
The invention belongs to the technical field of fittings of a wind generating set and relates to a generator vibration reduction support for the wind generating set. The generator vibration reduction support is of a split assembling structure and is provided with a frustum-shaped metal base (1) and a frustum-shaped upper support seat (3). The upper support seat (3) is of a cavity structure. A middle elastic body (2) is arranged in a cone cavity between the metal base (1) and the upper support seat (3). The metal base (1) is connected with the upper support seat (3) into one whole body through fastening bolt (6). The upper support seat (3) is in screw thread fit with a height adjusting bolt (5) to form a structure capable of adjusting the height of the vibration reduction support in the vertical direction. Due to the adoption of the generator vibration reduction support, the rigidities in the vertical and horizontal directions can be provided; and in the installing and using process of a product, a drop height of a generator spindle and a gearbox output shaft can be more effectively adjusted by adjusting the screwing-in height of screw threads of the height adjusting bolt so as to ensure the centers of the generator spindle and the gearbox output shaft to be aligned.
Description
Technical field
The invention belongs to wind-driven generator lens technical field, be specifically related to a kind of generator vibration damping support used for wind generating set.
Background technology
Development along with China's MW class wind turbine group final assembly technique, fail safe and high efficiency to wind-powered electricity generation unit integral body are had higher requirement, and are the important measures that ensure blower fan safety, efficient operation and adopt the mode that vibration absorber is installed to carry out effective vibration and noise reducing to wind-powered electricity generation unit important spare part.
Generator is to be one of key components and parts of electric energy with wind energy transformation in the wind-powered electricity generation whole set equipment.High speed rotating due to self rotor and internal spindle causes generator itself to become a huge vibration source.Transmission for effectively isolated vibration; protect the safety of other coupled parts such as pylon, control cubicle; reach and improve the inner stress of unit, reduce the purpose of component vibration intensity, fan design unit often considers that the mode that adopts the bottom that vibration reduction support is installed achieves the above object.
Generator vibration damping support is generally formed by rubber and metal composite.At first it will provide necessary Gravity support effect, guarantees Systems balanth, need in addition to provide each to suitable stiffness characteristics to reach the purpose of vibration damping.
At present, have the vibration reduction support that is used for the wind-powered electricity generation set generator that data can look into seldom, the type that on the domestic market, circulation is used also seldom, major part is external type selecting product.The patent No. is to have mentioned a kind of generator resiliency supported in 200620049857.3 patent, this support is similarly metal composite structure, have certain vertical stiffness characteristic and certain height regulating function, but this product structure and installation procedure are comparatively complicated, parts are more, and height regulating function is less.
Summary of the invention
In order to address the above problem, the objective of the invention is to propose a kind of generator vibration damping support used for wind generating set.
For achieving the above object, the present invention adopts following technical scheme:
A kind of generator vibration damping support used for wind generating set, described vibration reduction support is assembled structure, has the metab of taper type and the upper support seat of taper type; Described upper support seat is cavity structure, in the conical cavity between metab and upper support seat, intermediate elastomeric is set; Described upper support seat has the boss with circular cavity, the bellmouth that has a connectivity in the lower end of boss cavity; Has screwed hole on metab; Metab and upper support seat are connected as a single entity by fastening bolt, wherein, the screw thread of fastening bolt lower end coordinates with screwed hole on metab, the conical surface of upper end is fitted on the bellmouth of upper support seat, and be provided with the cone rubber pad between the hole wall of the conical surface of fastening bolt upper end and upper support seat bellmouth, consist of adjustable structure of reducing the support stiffness that shakes; The internal face of the circular cavity that the upper support seat has have for the screw thread of heightening bolt thread and coordinating; Described upper support seat with heighten bolt thread and coordinate, but consist of the structure that in the vertical direction is adjusted the height of vibration reduction support; The described center of heightening bolt has screwed hole, in order to be connected with generator by connecting bolt.
Described intermediate elastomeric is made of two-layer above cone-shaped metal spare and the vulcanization of rubber more than one deck together, have inside and outside two conical surfaces, wherein the male cone (strobilus masculinus) of intermediate elastomeric coordinates with the inner conical surface of upper support seat, and the inner conical surface of intermediate elastomeric coordinates with the male cone (strobilus masculinus) of metab.
The top of described fastening bolt is the inversed taper platform structure, and the bottom is for having externally threaded cylindrical structural.
Have two or more circles or square counterbore on the upper surface of fastening bolt.
Owing to adopting technical scheme as above, the present invention produces following good effect:
1, above-mentioned generator vibration damping support except basic safety supports function can be provided, can also provide suitable vertical, horizontal rigidity, has satisfied the double requirements of support, vibration damping.
2, above-mentioned generator vibration damping support product install and use procedure in can heighten being threaded into of bolt by adjusting and regulate highly very easily the product whole height, thereby satisfy the altimetric compensation requirement between generator shaft and gearbox output shaft in the generator installation process.
3, each parts of above-mentioned generator shock-absorbing support are split-type structural, and can by apply on set bolt that different torque changes product each to stiffness characteristics.
4. the parts of above-mentioned generator shock-absorbing support are less, and processing and easy to assembly is used applicable to batch production and scale; The product structure of this kind form also can be applied to the vibration and noise reducing engineering as fields such as boats and ships, oil exploitations except the wind-powered electricity generation field in addition.
Description of drawings
Fig. 1 is whole profile of the present invention.
Fig. 2 is whole vertical view of the present invention.
Fig. 3 heightens the bolt arrangement schematic diagram in the present invention.
Fig. 4 is fastening bolt structure schematic diagram in the present invention.
In figure, 1, metab, 2, intermediate elastomeric, 3, the upper support seat, 4, the cone rubber pad, 5, heighten bolt, 6, fastening bolt, 7, connecting bolt, 8, fixing hole.
Embodiment
With specific embodiment, the present invention is illustrated by reference to the accompanying drawings:
as shown in Figure 1, shown in Figure 2, a kind of generator vibration damping support used for wind generating set, described vibration reduction support is assembled structure, have the metab 1 of taper type and the upper support seat 3 of taper type, described upper support seat 2 is cavity structure, in conical cavity between metab 1 and upper support seat 3, intermediate elastomeric 2 is set, described intermediate elastomeric 2 is made of the cone-shaped metal spare of three layers and the two-layer vulcanization of rubber together, in having, outer two conical surfaces, wherein the male cone (strobilus masculinus) of intermediate elastomeric 2 coordinates with the inner conical surface of upper support seat 3, the inner conical surface of intermediate elastomeric 2 coordinates with the male cone (strobilus masculinus) of metab, intermediate elastomeric 2 provides required suitable vertical and horizontal rigidity characteristic for vibration reduction support, described upper support seat 3 has the boss with circular cavity, the bellmouth that has a connectivity in the lower end of boss cavity, have boss on metab 1, and have screwed hole in boss, metab 1 is connected as a single entity by fastening bolt 6 with upper support seat 3, wherein, the screw thread of fastening bolt 6 lower ends coordinates with screwed hole on metab 1, the conical surface of upper end is fitted on the bellmouth of upper support seat 3, and be provided with cone rubber pad 4 between the hole wall of the conical surface of fastening bolt 6 upper ends and upper support seat 3 bellmouths, consist of adjustable structure of reducing the support stiffness that shakes, described cone rubber pad 4 is formed by caoutchouc vulcanization, and Shao A hardness is in 75 left and right, have two or more circles or square counterbore on the upper surface of fastening bolt 6, when being used for assembling, torque wrench applies moment of torsion, and the torque that applies is different, and intermediate elastomeric 2 precommpression degree are different, product each to stiffness characteristics also different, the internal face of the circular cavity that upper support seat 3 has have for the screw thread of heightening bolt 5 threaded engagement, described upper support seat 3 with heighten bolt 5 threaded engagement, heighten by adjusting the height regulating function up and down that the be threaded into amount of bolt 5 in upper support seat 3 can effectively realize shock-absorbing support, the described top of heightening bolt 5 is circle or rectangle, and the bottom is cylindrical, and the taper position of heightening bolt top, bottom is arc transition, the described center of heightening bolt 7 has screwed hole, in order to be connected with generator by connecting bolt, all have for the fixing hole 8 that connects firmly with generator support bracket at metab 1 lower surface four jiaos, the material of a metal lower lower surface requires to be common straightcarbon steel such as Q235 according to load, also can be steel alloy such as QSTE380.
The coarse thread bolt of described connecting bolt 7 general selection standard nominal diameters, according to the desirable strength requirement, the scope of the optional M24～M36 of bolt diameter.
During the vibration reduction support assembling, at first that metab 1 is fixing, intermediate elastomeric 2 and upper support seat 3 are overlayed above metab 1 successively; Stack complete after, guarantee that inner conical surface and the male cone (strobilus masculinus) in intermediate elastomeric 2 fits tightly with the male cone (strobilus masculinus) of metab 1, the inner conical surface of upper support seat 3 respectively, and above-mentioned three's central alignment; Then cone rubber pad 4 is placed on the bellmouth place of upper support seat 3, then the screw thread of fastening bolt 6 lower ends is coordinated with screwed hole on metab 1, the conical surface of upper end is fitted on the bellmouth of upper support seat 3; The circular counter bore that the torque wrench frock is aimed on fastening bolt 6 applies the approximately moment of torsion of 40N ﹒ m, thereby metab 1, intermediate elastomeric 2 and upper support seat 3 threes are fixed into integral body; Then in the circular cavity that is threaded into upper support seat 3 with adjusting bolt 5 bottoms, 7 of connecting bolts screw in the internal thread hole of adjusting bolt 5 circular cavity that has when mounted.
When vibration reduction support is installed and used, by four installing holes of vibration reduction support metab 1, adopt connecting bolt 7 that vibration reduction support is fixed on generator support bracket; By connecting bolt 7 and be equipped with certain auxiliary accessories such as spring shim vibration reduction support is connected with generator anchoring pin, thereby realize the fixing of generator and carriage.In installation process, by regulating the height that is threaded into of adjusting bolt 5, can effectively regulate the overall product height of vibration reduction support, thereby the height fall between generator shaft in installation process and gearbox output shaft is carried out effective compensation.
Claims (4)
1. generator vibration damping support used for wind generating set, it is characterized in that: described vibration reduction support is assembled structure, have the metab (1) of taper type and the upper support seat (3) of taper type, described upper support seat (3) is cavity structure, in the conical cavity between metab (1) and upper support seat (3), intermediate elastomeric (2) is set; Described upper support seat (3) has the boss with circular cavity, the bellmouth that has a connectivity in the bottom surface of boss cavity; Has screwed hole on metab (1); Metab (1) is connected as a single entity by fastening bolt (6) with upper support seat (3), wherein, the bolt of fastening bolt (6) lower end coordinates with screwed hole on metab (1), the conical surface of upper end is fitted on the bellmouth of upper support seat (3), and be provided with cone rubber pad (4) between the hole wall of the conical surface of fastening bolt (6) upper end and upper support seat bellmouth (3), consist of adjustable structure of reducing the support stiffness that shakes; The internal face of the circular cavity that upper support seat (3) has have for the screw thread of heightening bolt (5) threaded engagement; Described upper support seat (3) with heighten bolt (5) threaded engagement, but consist of the structure that in the vertical direction is adjusted the height of vibration reduction support; The described center of heightening bolt (5) has screwed hole, in order to be connected with generator by connecting bolt (7).
2. a kind of generator vibration damping support used for wind generating set according to claim 1, it is characterized in that: described intermediate elastomeric (2) is made of two-layer above cone-shaped metal spare and the vulcanization of rubber more than one deck together, have inside and outside two conical surfaces, wherein the male cone (strobilus masculinus) of intermediate elastomeric (2) coordinates with the inner conical surface of upper support seat (3), and the inner conical surface of intermediate elastomeric (2) coordinates with the male cone (strobilus masculinus) of metab (1).
3. a kind of generator vibration damping support used for wind generating set according to claim 1, it is characterized in that: the top of described fastening bolt (6) is the inversed taper platform structure, the bottom is for having externally threaded cylindrical structural.
4. a kind of generator vibration damping support used for wind generating set according to claim 1, is characterized in that: have two or more circles or square counterbore on the upper surface of fastening bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110273448 CN102324799B (en) | 2011-09-15 | 2011-09-15 | Generator vibration reduction support for wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110273448 CN102324799B (en) | 2011-09-15 | 2011-09-15 | Generator vibration reduction support for wind generating set |
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| Publication Number | Publication Date |
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| CN102324799A CN102324799A (en) | 2012-01-18 |
| CN102324799B true CN102324799B (en) | 2013-05-08 |
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| CN 201110273448 Active CN102324799B (en) | 2011-09-15 | 2011-09-15 | Generator vibration reduction support for wind generating set |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930114A (en) * | 2015-06-15 | 2015-09-23 | 株洲时代新材料科技股份有限公司 | Double-action vibration absorber |
| CN105179541A (en) * | 2015-06-15 | 2015-12-23 | 株洲时代新材料科技股份有限公司 | Damping elastic body |
| CN105179545A (en) * | 2015-06-15 | 2015-12-23 | 株洲时代新材料科技股份有限公司 | Shock absorber for wind power generation |
| CN104935141A (en) * | 2015-06-29 | 2015-09-23 | 梁力生 | A vertical type centrifugal power generator |
| CN105065566B (en) * | 2015-07-15 | 2019-01-22 | 株洲时代新材料科技股份有限公司 | A kind of damper |
| CN107701702A (en) * | 2017-10-17 | 2018-02-16 | 株洲时代新材料科技股份有限公司 | A kind of hydraulic support device for gear-box |
| CN109555656A (en) * | 2018-12-29 | 2019-04-02 | 南京安维士传动技术股份有限公司 | A kind of wind turbine gearbox tooling base of adjustable size for connection |
| CN111435800A (en) * | 2019-01-11 | 2020-07-21 | 台达电子工业股份有限公司 | Motor structure |
| US11258332B2 (en) | 2019-01-11 | 2022-02-22 | Delta Electronics, Inc. | Motor base and motor structure |
| CN111435801B (en) | 2019-01-11 | 2022-04-05 | 台达电子工业股份有限公司 | Motor base and motor structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11125171A (en) * | 1997-10-22 | 1999-05-11 | Hiroyuki Kagami | Power generation device with wind force and solar energy in cooperation |
| CN2881143Y (en) * | 2006-01-19 | 2007-03-21 | 株洲时代新材料科技股份有限公司 | Elastic support for wind-mill generator |
| CN201461821U (en) * | 2009-05-13 | 2010-05-12 | 许继集团有限公司 | Wind driven generator, shock absorber used for wind driven generator and shock pad of shock absorber |
| CN201443480U (en) * | 2009-06-29 | 2010-04-28 | 山东长星风电科技有限公司 | Elastic supporting system of wind generating set |
| CN101725482B (en) * | 2009-12-30 | 2012-06-20 | 洛阳双瑞橡塑科技有限公司 | Damping composite type variable rigidity vibration attenuating support for gearbox of wind powered generator |
| CN202280581U (en) * | 2011-09-15 | 2012-06-20 | 洛阳双瑞橡塑科技有限公司 | Generator vibration damping support used for wind generating set |
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