CN202811229U - Wind turbine generator set high-speed shaft protective cover - Google Patents
Wind turbine generator set high-speed shaft protective cover Download PDFInfo
- Publication number
- CN202811229U CN202811229U CN201220488502XU CN201220488502U CN202811229U CN 202811229 U CN202811229 U CN 202811229U CN 201220488502X U CN201220488502X U CN 201220488502XU CN 201220488502 U CN201220488502 U CN 201220488502U CN 202811229 U CN202811229 U CN 202811229U
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- China
- Prior art keywords
- protective housing
- speed shaft
- overhead guard
- sheet metal
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Wind Motors (AREA)
Abstract
The utility model discloses a wind turbine generator set high-speed shaft protective cover which comprises a brake plate protective cover (1) which is arranged on the periphery of a brake plate and a coupler protective cover (2) which is arranged on the periphery of a coupler and is connected with the brake plate protective cover (1). The wind turbine generator set high-speed shaft protective cover is characterized in that the brake plate protective cover (1) is in a circular arc shape and comprises a plurality of circular-arc-shaped thin steel plates (11) which are connected together and end portion blocking plates (12) which are welded at one ends of the inner arc faces of the thin steel plates, the coupler protective cover (2) comprises a top cover (21) and a bottom cover (22) which are mounted together. The wind turbine generator set high-speed shaft protective cover is reasonable in structural design, convenient to mount and maintain and good in stability.
Description
Technical field
The utility model relates to the wind power technology field, relates in particular to a kind of high-speed shaft of wind generating set protective housing with gear box structure.
Technical background
Wind-power electricity generation is that wind energy transformation is become mechanical energy, mechanical energy is converted into the comprehensive mechanical device of electric energy again.Present wind-power electricity generation is take the horizontal axis wind-driven generator group as main, and most widely used horizontal axis wind-driven generator group is the double-feedback aerogenerator group.The working principle of double-fed type type wind power generating set: change wind energy the energy of mechanical rotation into by wind wheel, drive induction generator through the gear-box speedup, use the exciter converter excitation and with the electric energy input electrical network of generator.Gear box accelerating device can become lower wind speed round higher generator speed, also is convenient to the control of generator simultaneously, realizes stable frequency and voltage.
Coupling system plays a part bridge in the double-feedback aerogenerator group, namely is used for transmitting the rotating speed that amplifies through gear box accelerating device from wind wheel, torque etc.; Be used for simultaneously compensating axial, radial error, and the impulsive load when absorbing from gear-box oscillating load, braking state etc.When wind power generating set was moved, the rotating speed of coupling and connected high speed shaft substantially can be up to 1800rpm, and such running up may cause coming off of related components and splashing of the relic of working, thereby threatens staff's safety.
In addition, for the ease of the emergency braking of daily maintenance and the catastrophic failure of unit, Large-scale Wind Turbines all can arrange braking device, in order to realize the transformation of unit from the running state to the outage state.Double-fed unit generally is installed in mechanical brake equipment the high speed axle head, and the high speed axle head is because the braking brake motion speed is high, brake load is large, thereby can have certain potential safety hazard.Especially when emergency braking, it is serious brake disc wear to occur, causes brake disc the extreme case that tinsel splashes to occur when fracture, threatens staff's safety.
At present, some high speed shafts have increased safety cover outward, but have following problem: adopt overall structure, installing/dismounting is inconvenient more; The thinner steel plate bending of a lot of directly employings forms, and structure stability is poor; Adjustability is poor.
Summary of the invention
The purpose of this utility model is exactly the problem that exists in order to overcome above-mentioned prior art, a kind of high-speed shaft of wind generating set protective housing is provided, brake disc protective housing and the coupler protective casing of this high-speed shaft of wind generating set protective housing all adopt detachable structure, are convenient to detachable maintaining; Coupler protective casing is made by angle steel and the steel plate that is welded in the angle steel, and structure stability is better; The go to the bottom angle steel of cover both sides of coupling is provided with axial rectangular mounting hole, can realize axial adjustment when mounted, the interference problem that can avoid the final assembly error to bring to the installation of coupling guard.
In order to realize above-mentioned purpose of the present utility model, provide following technological scheme:
A kind of high-speed shaft of wind generating set protective housing comprises: the brake disc protective housing that is arranged on the brake disc periphery; Be arranged on the coupler protective casing that coupling is peripheral and be connected with described brake disc protective housing.Wherein, described brake disc protective housing is circular arc, and comprises a plurality of circular arc sheet metals that link together and the end baffle that is welded on described sheet metal intrados one end; Described coupler protective casing comprises overhead guard and the end cover that is installed together.
Preferably, described brake disc protective housing and described coupler protective casing interconnect the end corresponding position and offer respectively mounting hole, and bolt passes described mounting hole described brake disc protective housing is fixed on the described coupler protective casing.
Preferably, the described sheet metal place of interconnecting is provided with respectively the outward extending flanging that has bolt hole, and the bolt hole that bolt passes adjacent sheet metal corresponding position connects adjacent sheet metal.
Wherein, described sheet metal comprises the first sheet metal, the second sheet metal and the 3rd sheet metal; Described end baffle comprises first end baffle plate, the second end baffle plate and the 3rd end baffle.
Preferably, described overhead guard comprises front overhead guard and rear overhead guard; Cover of the described end comprises the upper base cover and the cover of going to the bottom.
Preferably, described front overhead guard and described upper base cover are bolted; Described rear overhead guard one end and described upper base cover are flexibly connected by bearing pin,, the other end is connected by snap close with described upper base cover, open snap close after, described rear overhead guard can be around 90 °-180 ° of bearing pin Unscrews; Described upper base cover and the described cover of going to the bottom are bolted; The cylindrical cavity that connects before and after described upper base cover and described overhead guard closure form afterwards.
Preferably, be welded with U-shaped handle on the described rear overhead guard.
Preferably, described coupler protective casing is made by angle steel and the steel plate that is welded in the angle steel.
Preferably, described both sides angle steel of going to the bottom cover is provided with to be fixed in the axial rectangular mounting hole on the rack platform.
The beneficial effects of the utility model embody in the following areas:
The utility model high-speed shaft of wind generating set protective housing adopts detachable structure, is convenient to install and adjustment, easy maintenance and replacement component; By angle steel and be welded on the coupler protective casing that the steel plate in the angle steel is made, structure stability is better; Be arranged on the rectangular mounting hole vertically that coupling goes to the bottom on the cover and can guarantee when coupler protective casing is installed, to realize axial adjustment, solve the interference problem that the final assembly error is brought.This model utility reasonable in design, convenient, the good stability of installation and maintenance.
Description of drawings
Fig. 1 is the mounting structure schematic representation of the utility model high-speed shaft of wind generating set protective housing;
Fig. 2 is the structural representation of the utility model brake disc protective housing;
Fig. 3 is the structural representation of the coupler protective casing under the utility model closed state;
Fig. 4 is the structural representation of the coupler protective casing under the utility model open mode.
Description of reference numerals: 1-brake disc protective housing; The 11-sheet metal; 11a-the first sheet metal; 11b-the second sheet metal; 11c-the 3rd sheet metal; The 12-end baffle; 12a-first end baffle plate; 12b-the second end baffle plate; 12c-the 3rd end baffle; The 2-coupler protective casing; The 21-overhead guard; Overhead guard before the 21a-; Overhead guard behind the 21b-; Cover at the bottom of the 22-; 22a-upper base cover; The 22b-cover of going to the bottom; The 3-break; The 4-brake disc; The 5-gear-box; The 6-coupling; The 7-snap close; The 8-bearing pin; 9-U type handle; The 10-rack platform.
Embodiment
As shown in Figure 1, coupling 6 and high speed shaft brake disc 4 are housed on the speed end of the output shaft of gear-box 5, high speed shaft break 3 is fixed on the casing of gear-box 5, the other end of coupling 6 link to each other with generator (this figure does not provide the generator schematic representation).The utility model high-speed shaft of wind generating set protective housing comprises: brake disc protective housing 1 and coupled coupler protective casing 2.Brake disc protective housing 1 is arranged on the periphery of brake disc 4, and reserves peep hole for break 3, is convenient to the working condition of Real Time Observation break 3; Coupler protective casing 2 is arranged on the periphery of coupling 6.Wherein, brake disc protective housing 1 interconnects the end corresponding position with coupler protective casing 2 and offers respectively mounting hole, and bolt passes mounting hole brake disc protective housing 1 is fixed on the coupler protective casing 2.
Particularly, as shown in Figure 2, brake disc protective housing 1 is circular arc, comprising: a plurality of circular arc sheet metals 11 that link together and the end baffle 12 that is welded on sheet metal intrados one end; Sheet metal 11 comprises the first sheet metal 11a, the second sheet metal 11b and the 3rd sheet metal 11c; End baffle 12 comprises first end baffle plate 12a, the second end baffle plate 12b and the 3rd end baffle 12c.Sheet metal 11 places of interconnecting are provided with respectively the outward extending flanging that has bolt hole, and the bolt hole that bolt passes adjacent sheet metal 11 corresponding positions connects adjacent sheet metal 11.This removable connection of brake disc protective housing 1 makes its fitting operation flexible, convenient transportation.As shown in Figure 1, 2, also be processed with mounting hole on the arc cover body of brake disc protective housing 1, as shown in Figure 1, bolt passes this mounting hole brake disc protective housing 1 is fixed on the coupler protective casing 2, and this kind means of fixation stability for directly being fixed on the gear case body is more better.Because coupler protective casing 2 is fixed on the rack platform 10 in the cabin, does not exist directly with gear-box 5 to contact, thereby avoided impact from the gear-box vibration.
Shown in Fig. 3,4, coupler protective casing 2 is made by angle steel and the steel plate that is welded in the angle steel, adopts angle steel as the structural framework of coupler protective casing 2, can strengthen rigidity and the stability of structure, reduces to vibrate the adverse effect that the utility model is brought.Coupler protective casing 2 comprises: overhead guard 21 and end cover 22 links together.Overhead guard 21 comprises front overhead guard 21a and rear overhead guard 21b; End cover 22 comprises upper base cover 22a and goes to the bottom cover 22b.
Particularly, shown in Fig. 3,4, front overhead guard 21a and upper base cover 22a are bolted, and it provides mountion plate also for brake disc protective housing 1 when coupling 6 is played protective action.
Shown in Fig. 1,3, the cylindrical cavity that connects before and after upper base cover 22a and overhead guard 21 closed rear the formation, this cylindrical cavity can be used to observe coupling 6.As shown in Figure 1, the cover 22b that goes to the bottom is tetragonal body, its both sides angle steel is provided with the cover 22b that goes to the bottom is fixed on axial rectangular mounting hole on the rack platform 10, the axial adjustment of coupler protective casing 2 is convenient in the design of this rectangular mounting hole, thereby has avoided the interference problem that brought to the installation of coupler protective casing 2 by the final assembly error.
In sum, the utility model high-speed shaft of wind generating set protective housing adopts the detachable design, is convenient to install, transport; The design of rectangular mounting hole can realize axial adjustment; Rear overhead guard 21b plug-in type snap close connection design is conveniently opened immediately, thereby is convenient to the inspection and maintenance of coupling 6; Coupler protective casing 2 adopts angle steel to weld out structural framework, and structural rigidity is good, is not prone to play.The utility model is isolated from the outside High Rotation Speed part (brake disc 4 and coupling 6) substantially, and can prevent the metal relic, the parts that are scattered etc. is thrown out of under the effect of centrifugal force, reduced potential safety hazard.
Although above-mentioned the utility model is described in detail; but the utility model is not limited to this; those skilled in the art can make amendment according to principle of the present utility model; therefore, all various modifications of carrying out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.
Claims (9)
1. a high-speed shaft of wind generating set protective housing comprises: the brake disc protective housing (1) that is arranged on the brake disc periphery; Be arranged on the coupler protective casing (2) that coupling is peripheral and be connected with described brake disc protective housing (1), it is characterized in that,
Described brake disc protective housing (1) is circular arc, and comprises a plurality of circular arc sheet metals (11) that link together and the end baffle (12) that is welded on described sheet metal intrados one end;
Described coupler protective casing (2) comprises overhead guard (21) and the end cover (22) that is installed together.
2. high-speed shaft of wind generating set protective housing as claimed in claim 1, it is characterized in that, described brake disc protective housing (1) interconnects the end corresponding position with described coupler protective casing (2) and offers respectively mounting hole, and bolt passes this mounting hole described brake disc protective housing (1) is fixed on the described coupler protective casing (2).
3. high-speed shaft of wind generating set protective housing as claimed in claim 1, it is characterized in that, described sheet metal (11) place of interconnecting is provided with respectively the outward extending flanging that has bolt hole, and the bolt hole that bolt passes adjacent sheet metal (11) corresponding position connects adjacent sheet metal (11).
4. such as each described high-speed shaft of wind generating set protective housing in the claims 1 to 3, it is characterized in that described sheet metal (11) comprises the first sheet metal (11a), the second sheet metal (11b) and the 3rd sheet metal (11c); Described end baffle (12) comprises first end baffle plate (12a), the second end baffle plate (12b) and the 3rd end baffle (12c).
5. such as each described high-speed shaft of wind generating set protective housing in the claims 1 to 3, it is characterized in that described overhead guard (21) comprises front overhead guard (21a) and rear overhead guard (21b); Described end cover (22) comprises upper base cover (22a) and the cover (22b) of going to the bottom.
6. high-speed shaft of wind generating set protective housing as claimed in claim 5 is characterized in that, described front overhead guard (21a) is bolted with described upper base cover (22a); Described rear overhead guard (21b) end and described upper base cover (22a) are flexibly connected by bearing pin, and the other end is connected by snap close with described upper base cover (22a), open snap close after, described rear overhead guard (21b) can be around 90 °-180 ° of bearing pin Unscrews; Described upper base cover (22a) is bolted with the described cover (22b) of going to the bottom; The cylindrical cavity that connects before and after forming after described upper base cover (22a) is closed with described overhead guard (21).
7. high-speed shaft of wind generating set protective housing as claimed in claim 5 is characterized in that, is welded with U-shaped handle on the described rear overhead guard (21b).
8. high-speed shaft of wind generating set protective housing as claimed in claim 1 is characterized in that, described coupler protective casing (2) is made by angle steel and the steel plate that is welded in the angle steel.
9. high-speed shaft of wind generating set protective housing as claimed in claim 5 is characterized in that, described both sides angle steel of going to the bottom cover (22b) is provided with to be fixed in the axial rectangular mounting hole on the rack platform (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220488502XU CN202811229U (en) | 2012-09-21 | 2012-09-21 | Wind turbine generator set high-speed shaft protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220488502XU CN202811229U (en) | 2012-09-21 | 2012-09-21 | Wind turbine generator set high-speed shaft protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811229U true CN202811229U (en) | 2013-03-20 |
Family
ID=47870114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220488502XU Expired - Lifetime CN202811229U (en) | 2012-09-21 | 2012-09-21 | Wind turbine generator set high-speed shaft protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781901A (en) * | 2014-12-26 | 2016-07-20 | 南京朗劲风能设备制造有限公司 | Middle connection system for power generator and gear box |
-
2012
- 2012-09-21 CN CN201220488502XU patent/CN202811229U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781901A (en) * | 2014-12-26 | 2016-07-20 | 南京朗劲风能设备制造有限公司 | Middle connection system for power generator and gear box |
| CN105781901B (en) * | 2014-12-26 | 2018-06-08 | 南京朗劲风能设备制造有限公司 | For the intermediate system of connections of generator and gear-box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |