CN202273805U - Safety device for forming and running wind wheel of wind turbine - Google Patents
Safety device for forming and running wind wheel of wind turbine Download PDFInfo
- Publication number
- CN202273805U CN202273805U CN2011201123528U CN201120112352U CN202273805U CN 202273805 U CN202273805 U CN 202273805U CN 2011201123528 U CN2011201123528 U CN 2011201123528U CN 201120112352 U CN201120112352 U CN 201120112352U CN 202273805 U CN202273805 U CN 202273805U
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- China
- Prior art keywords
- wind wheel
- wind
- blade
- angle
- spoke
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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
-
- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The utility model discloses a safety device for forming and running a wind wheel of a wind turbine. In the utility model, blades are fixed by a large formwork and a small formwork, according to use condition, the blades are ensured to be arranged at the front edge of a wind wheel ring and the back edge of the wind wheel ring so as to form into a blade sharp installing angle, two spokes pass through two hole sites of the small formwork on the blades, one end of each spoke is pulled with the blades, and according to the technical requirements of a blade tensional angle and a blade root installing angle, another end of each spoke ensures the positions of a front wheel disk installing spoke and a back wheel disk installing spoke of a wind wheel hub, and is used for connecting the front wheel disk installing spoke and the back wheel disk installing spoke of the wind wheel hub. After all the blades and spokes of the wind wheel are installed, all the spokes are gradually tightened, and the blade root installing angle and the tensional angle are fixed, so that the wind wheel forms into a whole body. Under a normal wind speed, and by means of manual operation, the safety device leads a unit to run or stop. The unit can automatically stop when the wind speed exceeds a safe wind speed, so that the safety device has the protecting function.
Description
Technical field the utility model relates to a kind of wind mill wind wheel shaping operation safety device.Take distinct methods to change measures such as blade angle, torsional angle and increase small leaf, the different wind speed that make wind energy conversion system adapt to different regions, season use, and improve wind energy utilization.Measure with adjustment empennage seat setting angle reaches except manual operation, and the ability self-actuating brake plays a protective role when unit exceeds survival wind speed.
Belong to energy field, mechanical major, Wind Power Utilization subject.
Background technique
Wind-powered machine in use; Because the different wind speed difference in region, season are very big; So to the most important energy resource collecting conversion equipment of wind energy conversion system---wind wheel will be created new mould-forming method; In order to adapt to the different wind speed and the operating conditions of territory of use, must be equipped with that a cover can adapt to the wind wheel performance change, installation is easy to adjust, can manual operation completion unit starting, the operation safety device of parking.Some are still waiting to solve from net type small-power wind energy conversion system, particularly multiple-blade power type wind energy conversion system in this respect at present.
Summary of the invention:
The present invention is: strain the wind wheel structure of shaping jointly through blade and spoke; Change twist angle of blade and established angle, make wind energy conversion system adapt to different wind speed and operating conditions, in the low area of wind speed with in season; Do not influence under the situation of unit safety operation; Install small leaf to the outside additional in the wind wheel footpath,, remedy wind speed and cross low influence using in order to increase power output.
The present invention also will solve:, cause when yawing moment changes that unit is transferred to, speed governing and when exceeding the survival wind speed operation, the automatic resist technology problem of unit because of the difference of rotor solidity, swept area.
The technical pattern of the utility model is:
A kind of wind mill wind wheel shaping operation safety device: wind wheel circle back and wind wheel circle front are combined.Big mould bases, little mould bases and vane group lump together.Under two mould bases effects, blade is shaped.Use paddle screw,, on wind wheel circle back and wind wheel circle front, form the blade tip established angle to vanes fixed through big mould bases.Use spoke again, through little mould bases, blade respectively with the wind wheel hub on the wind wheel hub before disc, disc couples together behind the wind wheel hub.After installing all blades, spoke in this way, tighten spoke equably, make wind wheel become as a whole, form blade root established angle and twist angle of blade.In addition, the influence condition of formation twist angle of blade also has: the distribution situation of the geometrical shape of blade length and width, the character of blade material and material etc.
Method by wind speed and usage requirement adjustment blade tip established angle is: the big mould bases on the blade; One end is connected on the wind wheel circle back with paddle screw; The other end has three holes (can design some holes according to the adjustment required precision) corresponding in wind wheel circle three holes in front; Toward moving right installation, it is big that the blade tip established angle of blade becomes, otherwise diminish.After angle is confirmed on request, fix (Fig. 3-1,3-2,3-3) with paddle screw.
The method of adjustment blade root established angle is: an end that is installed in the little mould bases on wind wheel circle back and the wind wheel circle blade in front, connect together with disc behind spoke and the wind wheel hub, installed the position, hole of spoke according to this disc; Find out the preceding coaxial spoke hole of the disc position of this Kong Weiyu wind wheel hub; According to the size requirements of blade root established angle, the little mould bases on the blade, disc connects together before an end and the wind wheel hub again; This disc has some spoke holes; Installations that move right of spoke before the wind wheel hub on the disc, the blade root angle becomes greatly, otherwise diminishes.All behind the intact spoke of blade installation, unification is tightened to spoke again, and blade root established angle, torsional angle are fixed up thereupon, the overall structure shaping (Fig. 3-1,3-2,3-3) of wind wheel.
In order to use in low wind speed area, wind energy conversion system perhaps is installed, for tiding over ground wind season, be installed in blade rack on wind wheel circle back and the wind wheel circle front with paddle screw earlier by (Fig. 4-1,4-2) on the security of operation basis guaranteeing.Press from both sides small upper blade with clamping plate again, be fixed on the blade rack.
The operation safety device structure is: wind wheel is installed on the head, and the empennage position-limited rack is an arcuate structure, hook-shaped head one side that is installed in.At the one of which end jiffy stand is installed.In spring housing, parking locked by hooks push rod is equipped with on the left side, and the right is an empennage buffering push rod, and the centre is a locking spring, by the spring housing lock nut it is locked, for the two ends push rod provides elastic force.Pulley is contained on the pulley spindle, and its axle one end is fixed on the hook that stops, and the other end is fixed with baffle plate.Stay cord is through the groove on the pulley outer rim, and the stay cord limiting board is equipped with in the centre, and an end is fixed on the draw ring of empennage frame and buckles face, the other end be draw ring.The empennage hook is fixed on the empennage frame after fixing the empennage baffle plate together.Spacing angle steel is the spacing point of empennage position-limited rack.Tail plate is contained on the empennage frame, constitutes empennage, is contained in the empennage seat with the empennage bearing pin; And it is bolted on the head with the empennage seat, be axle with the empennage seat bolt of empennage seat lower end, empennage seat upper end can move left and right; Be used for balance because of wind wheel blade established angle, torsional angle adjustment or increase small leaf; The yawing moment variation (Fig. 1) that causes is moved to the left aligning torque and diminishes, and it is big that the aligning torque that moves right becomes, and angle tightens all empennage seat bolts after confirming.If use condition is confirmed, can be made fixed structure.
Because blade angle, torsional angle and increase small leaf cause that swept area of rotor changes, and utilize the method for adjustment empennage seat established angle; Realize the wind energy conversion system speed governing, transfer, under normal wind speed, drive stay cord through the manual operation draw ring to function; Make unit operation or vehicle stop state, and the inertia when utilizing wind wheel to run into to exceed survival wind speed to blow to scrape driftage, realize that automatic stopping gets into guard mode; Change not quite if wind energy conversion system is installed regional wind speed, can manufacture fixed structure to the empennage seat.
The advantage of the utility model invention is:
The wind wheel forming technique is simple, can be according to wind energy conversion system local wind speed, service condition be installed, and adjustment blade angle and torsional angle with blade and spoke tension wind wheel, not only can keep leaf stable, have also increased wind wheel intensity, have alleviated structure weight.Because of adjustment blade angle, torsional angle and increase small leaf cause the speed governing moment variations, with the method balance yawing moment of adjustment empennage seat setting angle, method is implemented simple, reliable performance.Operation safety device can realize manually starting, braking, when exceeding the safe operation wind speed, can autostop, and get into guard mode.
Description of drawings:
Fig. 1 is a wind mill wind wheel shaping operation safety device front view;
Fig. 2-1,2-2 are wind wheel structure figure;
Fig. 3-1,3-2,3-3 are blade installation figure;
Fig. 4-1,4-2 are the small leaf installations diagram;
Fig. 5 is the safety installations side view;
Fig. 6 is the safety installations plan view.
Embodiment:
Wind wheel forming technique and operation safety device thereof, the utility model can make wind energy conversion system, better brings into play benefit in the zone of different wind speed with in season, except that the wind energy conversion system forming technique, in order to ensure unit operation safety, is its matching running safety installations.
By Fig. 1,2-1,2-2,3-1,3-2,3-3,4-1,4-2 explanation wind wheel forming technique, by wind wheel circle front 26, wind wheel circle back 27 is combined; Big mould bases 30, little mould bases 31 is combined with blade 29, with paddle screw 28; Through big mould bases 30, be fixed on blade 29 on wind wheel circle back 27 and the wind wheel circle front 26, form the blade tip established angle; Use spoke 32 again, be connected through disc 33 behind the wind wheel hub on little mould bases 31 and the wind wheel hub 35, according to the requirement of twist angle of blade, blade root established angle before the wind wheel hub on the disc 34; After confirming the mounting hole site of spoke 32, link together with it.After in this way all blades, spoke being installed, tighten spoke equably, wind wheel is shaped.
By Fig. 1,5,6 operation safety device are described: wind wheel 1 is contained on the head 2, and empennage position-limited rack 5 is that one of arc structure is hook-shaped, is installed in head one side, and the other end is installed the hook 6 that stops.Left side parking locked by hooks push rod 7 in spring 9, the right are empennage buffering push rods 10, and the centre is a locking spring 8, by spring housing lock nut 13 with its locking, for the both sides push rod provides elastic force.Pulley 11 is contained on the pulley spindle 12, and its axle one end is fixed on the hook 6 that stops, and the other end is fixed with baffle plate 14; Stay cord 15 is through the groove on pulley 11 outer rims; Be equipped with above the stay cord latch closure 18 that stay cord limiting board 16, one ends are fixed on empennage frame 17 centre, the other end be draw ring 24.Empennage hook 21 after fixing empennage baffle plate 20, is fixed on the empennage frame 17 together.Spacing angle steel 19 is spacing points of empennage position-limited rack 5.Tail plate 22 is contained on the empennage frame 17, constitutes empennage 3, is contained in the empennage seat 25 with empennage bearing pin 23, with empennage seat bolt 36, is fixed on the head 2.
Artificial if desired brake, operator spur draw ring 24 or because of wind speed exceeds the unit operation safety range, get into automatic guard mode; Wind wheel 1 and head 2; Can be axle according to head gyration center 4, to the rotation of empennage 3 directions, the hook 5 that stops at last be hooked together with empennage hook 21.
Wind mill wind wheel forming technique: press Fig. 2-1,2-2,3-1,3-2,3-3,4-1,4-2, wind wheel circle front 26 and wind wheel circle back 27 are combined.Big mould bases 30, little mould bases 31 is combined with blade 29, rents down at two mould bases, and blade is shaped.Be fixed on big mould bases single hole one end on the wind wheel circle back 27 with paddle screw 28,, confirm the position of big mould bases 30, fix, form the blade tip established angle with paddle screw 28 in wind wheel circle front 26 according to the wind speed and the use condition of wind energy conversion system installation region., link together disc 33 behind blade 29 and the wind wheel hub through little mould bases 31 1 ends with spoke 32, confirm twist angle of blade and blade root established angle according to usage requirement then after, disc 34 before the other end of little mould bases 31 and the wind wheel hub is linked together.Install all blades 29 and spoke 32, and the tight spoke of lemon equably, forming blade root established angle and twist angle of blade, wind wheel is shaped.
In order to use in low wind speed area, perhaps wind energy conversion system is installed, tide over low wind season, on the basis that guarantees security of operation, be installed in small leaf support 37 usefulness paddle screws 28 on wind wheel circle back 27 and the wind wheel circle front 26 by Fig. 4-1,4-2.With clamping plate 38 folder small upper blades 40 usefulness bridge screws 39, be fixed on the wind wheel outer ring then.
The wind wheel forming technique, supporting operation safety device is: wind wheel 1 is installed on the head 2; Empennage position-limited rack 5 is installed in head one side, and an end is installed the hook 6 that stops; In spring housing 9, parking locked by hooks push rod 7 is equipped with on the left side, and the right is an empennage buffering push rod 10; Interposition locking spring 8 is for the two ends push rod elastic force to be provided.Pulley 11 is contained on the pulley spindle 12, and an end is fixed on the hook 6 that stops, and the other end is fixed with baffle plate 14; Stay cord 15 is through the groove of pulley 11 outer rims; Be equipped with above the stay cord latch closure 18 that stay cord limiting board 16, one ends are fixed on empennage frame 17 centre, the other end be draw ring 24.Empennage hook 21 is fixed on the empennage frame 17 after fixing empennage baffle plate 20 together.Spacing angle steel 19 is spacing points of empennage position-limited rack 5.Tail plate 22 is contained on the empennage frame 17, constitutes empennage 3, is contained in the empennage seat 25 with empennage bearing pin 23, and it is fixed on the head 2 with empennage seat bolt 36.
The method of adjustment empennage seat is: with empennage seat 25 lower end fixing bolts is axle, and empennage seat upper end can move left and right, is used for balance because of established angle, torsional angle adjustment; Perhaps increase small leaf; Cause that yawing moment changes, see that (Fig. 1) is moved to the left returning place force and diminishes, it is big that the returning place force that moves right becomes; Angle is fixed with empennage seat bolt 36 after confirming.
If many machine set technology performance requirements are consistent, empennage seat 25 can manufacture fixed structure when producing.
Shut-down operation: the staff uses special tool, hooks draw ring 24, pulling downwards gently, and at this moment wind wheel 1 is an axle with the rotating center 4 of head 2, to empennage 3 rotations.When stay cord limiting board 16 soon contacts with empennage baffle plate 20, decontrol draw ring 24, utilize the inertia of empennage 3, overcome the pressure of empennage buffering push rod 10, the hook 6 that stops is hooked together with empennage hook 21, accomplish shut-down operation.If resume operation, the staff uses special tool, hooks draw ring 24, and pulling downwards gently makes the hook 6 that stops open the unit resumption of service in 21 minutes with the empennage hook.
Automatically protection: exceed survival wind speed and blow when scraping when wind wheel 1 runs into; Can be axle with head 2 rotating centers 4, to the rotation of empennage 3 directions, if wind speed continues to strengthen; Wind wheel 1 also can rotate to empennage 3 directions; Overcome locking spring 8 at last and given the elastic force of locked by hooks push rod 7 with empennage buffering push rod 10, the hook 6 that stops is connected together with empennage hook 21, unit gets into the safety protection state.
Claims (3)
1. wind mill wind wheel shaping operation safety device, it is characterized in that: wind wheel circle front (26) and wind wheel circle back (27) are combined, and big mould bases (30), little mould bases (31) and blade (29) are combined; With paddle screw (28), be fixed on wind wheel circle back (27) and wind wheel circle front (26) to blade (29) through big mould bases, form the blade tip established angle; Pass through little mould bases (31) one ends with spoke (32); Link together disc (33) behind blade (29) and the wind wheel hub, confirm twist angle of blade and blade root established angle after, the other end and the preceding disc (34) of wind wheel hub of little mould bases (31) linked together; Install all blades (29) and spoke (32); And tighten spoke equably, and forming blade root established angle and twist angle of blade, wind wheel is shaped.
2. wind mill wind wheel shaping operation safety device as claimed in claim 1 is characterized in that: use in season in order to adapt to low wind speed area or low wind speed, can increase small leaf (40) in wind wheel circle front (26) and wind wheel circle back (27).
3. according to claim 1 or claim 2 wind mill wind wheel shaping operation safety device is characterized in that: because blade angle, torsional angle and increase small leaf (40) cause that swept area of rotor changes; Utilize the method for adjustment empennage seat (25) established angle; Realize the wind energy conversion system speed governing, transfer, under normal wind speed, drive stay cord (15) through manual operation draw ring (24) to function; Make unit operation or vehicle stop state; And the inertia when utilizing wind wheel (1) to run into to exceed survival wind speed to blow to scrape driftage, realize that automatic stopping gets into guard mode, can manufacture fixed structure to empennage seat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201123528U CN202273805U (en) | 2011-04-18 | 2011-04-18 | Safety device for forming and running wind wheel of wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201123528U CN202273805U (en) | 2011-04-18 | 2011-04-18 | Safety device for forming and running wind wheel of wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273805U true CN202273805U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201123528U Expired - Lifetime CN202273805U (en) | 2011-04-18 | 2011-04-18 | Safety device for forming and running wind wheel of wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202273805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062139A1 (en) * | 2014-10-21 | 2016-04-28 | 张效新 | Single-frame type impeller of wind turbine |
| CN106121909A (en) * | 2016-08-15 | 2016-11-16 | 张达汇 | A kind of wind power generator impeller from motion tracking wind direction |
-
2011
- 2011-04-18 CN CN2011201123528U patent/CN202273805U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062139A1 (en) * | 2014-10-21 | 2016-04-28 | 张效新 | Single-frame type impeller of wind turbine |
| CN106121909A (en) * | 2016-08-15 | 2016-11-16 | 张达汇 | A kind of wind power generator impeller from motion tracking wind direction |
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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: 20120613 |