CN103318568A - Transportation method for large-scale wind turbine blades - Google Patents
Transportation method for large-scale wind turbine blades Download PDFInfo
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- CN103318568A CN103318568A CN2013102800740A CN201310280074A CN103318568A CN 103318568 A CN103318568 A CN 103318568A CN 2013102800740 A CN2013102800740 A CN 2013102800740A CN 201310280074 A CN201310280074 A CN 201310280074A CN 103318568 A CN103318568 A CN 103318568A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 239000000806 elastomer Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 29
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 241000734468 Listera Species 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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Abstract
The invention relates to a transportation method for large-scale wind turbine blades. By the transportation method, transportation for two blades in one group can be realized, and every two blades in one group are arrayed side by side in an end-to-head mode. In the transportation method, a middle support, a limiting support, a bandage and a hanging beam are used in combination to transport the blades. According to the technical scheme, volumes of the blades in land transportation, length of a vehicle and container volumes of blades in marine transportation are reduced, an integral hoisting mode is adopted during demounting, transportation for single group of the blades which are changed from one piece to double pieces is realized, and transportation efficiency is doubled. Great convenience is brought to transportation for the wind turbine blades, and costs of land and marine transportation of the wind turbine blades are remarkably saved.
Description
Technical field
The present invention relates to wind power generation field, relate in particular to a kind of transportation resources of blades of large-scale wind driven generator.
Background technology
The weight of blade of wind-driven generator accounts for 10 ﹪ of wind power generating set total weight, because the length of blade generally surpasses 30 meters, the above high-performance length of blade of 5MW can reach more than 80 meters, so the shared volume of blade is larger, transportation is got up very inconvenient.And the transport of blades expense accounts for 20 ~ 30 ﹪ of wind power generating set working expenses, and the cost of transportation of managing to reduce blade is necessary.
Existing transport of blades mode is mainly single transport of blades and two kinds of forms of twayblade transportation.During single blade terrestrial transportation, general blade root locates to adopt transport support to fix towards transport trolley headstock direction blade root and near blade tip (afterbody).The twayblade transportation mode is generally two blades side by side, and root is towards the headstock direction, and this can cause the transporting over-wide problem, brings inconvenience to transportation.Simultaneously, the ocean freight collecting mode is that the van-type volume is collected the charges for the uniform cross section rectangle volume calculated by largest contours at present.
As seen, present transportation mode is failed in conjunction with the root of blade cross section large, the actual conditions that the blade tip cross section is little, volume when failing to reduce transport of blades, thereby cause transportation inconvenience, and cost of transportation is high, has improved generally the overall cost of aerogenerator kludge.
Summary of the invention
In order to solve existing transport of blades inconvenience and the higher problem of cost of transportation, the object of the invention is to propose a kind of transportation resources of blades of large-scale wind driven generator, make things convenient for land and the seat transport of blade of wind-driven generator, reduce simultaneously required cost of transportation.
According to an aspect of the present invention, a kind of transportation resources of blades of large-scale wind driven generator is provided, described method can realize the on the same group transportation of two blades, per two blades are one group to be exchanged from beginning to end and is arranged side by side, and is used in combination central support, limiting bracket, bandage and hanging beam to carry out transport of blades in described method.
Preferably, said method comprising the steps of:
Step 1 is adjusted the putting position of two blades on the same group, makes the root/tip of a slice blade wherein and the tip of another sheet blade/root side-by-side alignment, two blades is exchanged from beginning to end be arranged side by side;
Step 2 is exchanged head and the tail described two blades that are arranged side by side and is placed into respectively on two central supports, and the position of described two central supports is adjusted to respectively near the center-of-gravity position of two blades;
Step 3 uses the second bandage that two blades are separately fixed between the column jacket and inner prop of central support, uses the first bandage to be bundled the root of blade and the tip of another sheet blade fixing;
Step 4 is separately fixed at a separately end of two limiting brackets the root of two blades, the other end be separately fixed at distance on the nearer described central support of the root of corresponding blade;
Step 5 is installed to hanging beam on the separately lifting point of described two central supports, and on the same group two blade integrals are lifted on the transportation means;
Step 6 is fixed on two central supports on the transportation means, carries out afterwards transport of blades to the destination;
Step 7 behind the arrival destination, is removed the fixing of described central support and transportation means, and hanging beam is installed, and two blade integrals are lifted to break away from transportation means.
Preferably, in described step 2, head and the tail are exchanged described two blades that are arranged side by side be placed into respectively on the fixing and damping elastomer piece of two central supports in the mode that suction surface is relative separately.
Preferably, in described step 2, the position of described central support and the deviation of blade center-of-gravity station are less than 5% of length of blade.
Preferably, in described step 2, also adjust blade, make its maximum chord direction and horizontal surface angle angle between 30 °～80 °.
Preferably, in described step 2, when transportation had the blade of pre-bending, the angular range of the root end face of blade and the cross-sectional plane of central support was 0～5 °.
Preferably, in described step 3, behind protective layer on the trailing edge pad of described central support position, re-use the second bandage two blades are separately fixed between the column jacket and inner prop of central support.
Preferably, in described step 6, when transportation means is transport vehicle, by chain or welding described central support is fixed on the base plate of transport vehicle; When transportation means is transportation during ship, the connecting bore by described central support is fixed on described central support on the deck of transportation ship.
Preferably, in described step 5, deviation in range is less than 10% of distance between described two central supports between the length of described hanging beam and described two central supports.
Preferably, described central support has connecting bore and detouchable guide finger.
According to technique scheme, the invention provides the land and marine transportation resources of a kind of large-scale wind generating blade, reduced the seaborne van-type volume of blade terrestrial transportation volume and vehicle commander and blade, adopt the integral hoisting pattern during loading and unloading, single group transport of blades is from a slice to two slice, and conveying efficiency is doubled.The present invention has made things convenient for the transportation of blade widely, and has saved significantly the traffic cost of wind power generation blade land and sea-freight.
Description of drawings
By the description part of carrying out with reference to accompanying drawing hereinafter, can better understand all above-mentioned features, described accompanying drawing is:
Fig. 1 shows the front view that the transportation resources Leaf in the specific embodiment of the invention is arranged;
Fig. 2 shows the birds-eye view that the transportation resources Leaf in the specific embodiment of the invention is arranged;
Fig. 3 shows the section drawing of the central support in the specific embodiment of the invention;
Fig. 4 shows the vane airfoil profile schematic diagram in the specific embodiment of the invention;
Fig. 5 is the transport of blades method flow diagram in the specific embodiment of the invention.
Description of reference numerals:
1,2 blades 3,4 limiting brackets 5,6 central supports
7,8 first bandages 9,10 second bandages
11, the 12 fixing elastomer block that reach vibration damping
13, hanging beam 14, acting face 15, suction surface
16, leading edge 17, trailing edge
The specific embodiment
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail.
According to inventive concept provided by the invention, as shown in Figure 1, 2, per two blades 1,2 are one group to be exchanged from beginning to end and is arranged side by side, by being used in combination at least two central supports 5,6, two limiting brackets 3,4, bandage, hanging beam 13 to carry out the transportation of blade of wind-driven generator.
Fig. 3 shows the section drawing of one of them central support, this central support comprises two column jackets that are positioned at both sides and is positioned at a middle inner prop, on the same group two blades that position between this inner prop and two column jackets is respectively applied to fix transport, and be provided with for the fixing and damping elastomer piece 11,12 of placing blade.This column jacket top can be provided with the lifting point for hoisting blade.This central support also can arrange the parts such as connecting bore and detouchable guide finger, stacks to make things convenient for the fixing or layering of blade on transportation means.
Fig. 4 shows the schematic diagram of vane airfoil profile.Reference numeral 14,15 has represented respectively acting face and the suction surface of blade, and in the transportation resources of the specific embodiment of the invention, two blades on the same group preferably with suction surface separately relatively and the opposing mode of acting face is transported.
In the technical scheme of the specific embodiment of the invention, at first, per two blades are one group to be exchanged from beginning to end and is arranged side by side, and the root of a slice blade wherein and on the same group another sheet blade tip (afterbody) are arranged side by side, and two central supports are in respectively near two blade center-of-gravity stations; Then,, and limiting bracket is installed between root of blade and the central support blade, central support and bundle on the same group fixingly between the blade by bandage; At last, leaf blade hanging transports after being connected and fixed to transport vehicle or on the deck of transportation ship to use hanging beam to incite somebody to action on the same group.
In when assembling combination, can consider to make blade with suction surface separately relatively (acting face is opposing) mode arrange, for the blade that pre-bending is arranged, when suction surface was relative, then blade tip pre-bending was outside, convenient like this binding.
According to the pre-bending deformation size of blade, the angular range of the root end face of blade and the cross-sectional plane of central support is 0～5 °, can reduce so the on the same group van-type volume of blade integral.
Blade maximum chord direction and horizontal surface angle are 30 °～80 °, to reduce the on the same group van-type volume of blade integral.
The center-of-gravity position distance of central support position and blade if distance is excessive, needs longer vehicle less than 5% of length of blade during land transport, increase cost of transportation; Distance is too small, and blade is when putting central support, and blade root is sagging, blade tip meeting perk, and the binding difficulty, so every group of blade integral stability will be relatively poor.
Hanging beam is connected on the lifting point of central support, and deviation in range is less than 10% of distance between two central supports between hanging beam length and two central supports, to realize the integral hoisting of two blades of single group, more promptly loading-unloading vehicle, the sea-freight of loading and unloading steamer, can effectively reduce the charge and discharge operations man-hour of blade, save shipping and delivery cost.
Central support bears the blade Action of Gravity Field, and central support is fixed on the base plate of transport vehicle during terrestrial transportation, and central support is fixed on the ship's deck during sea-freight.The top of central support has connecting bore simultaneously, and central support can also use the detouchable guide finger to be assemblied in the central support top of bottom blade during sea-freight, carries out layering and stacks.
Limiting bracket is used for the axial motion of stationary blade, prevents from abrading along the forward and backward slippage of vehicle heading when blade from transporting by land finish coat and the Structural layer of blade, reduces the front maintenance cost of blower fan installation.
Bandage will be on the same group two blades fastening be whole, can prevent that blade from sliding with respect to central support, and can effectively reduce blade pre-bending and reduce shared volume when transporting.
Fixing and the damping elastomer piece of central support can adopt the flexible material manufacturings such as rubber, foam, its contact surface shape must be consistent with central support place blade inlet edge profile, can reduce local contact stress and absorb because of road bump or the heave of waves to the impact load that blade produces, avoid blade in transportation, to sustain damage.
Embodiment 1
As shown in Figure 5, according to technical scheme provided by the invention, when carrying out terrestrial transportation, concrete steps are as follows:
Step 1, the direction blade adjustment.
Such as Fig. 1, shown in 2, adjust two blades 1 on the same group, 2 putting position, make the tip of wherein root/tip of a slice blade 1 (afterbody) and on the same group another sheet blade 2/root side-by-side alignment, two blades are exchanged from beginning to end be arranged side by side.
Step 2, assembling in groups.
Such as Fig. 3, shown in 4, head and the tail are exchanged two blades 1,2 that are arranged side by side and are placed into respectively on two central supports 5,6, and central support 5,6 position are adjusted to respectively near blade 1,2 the center-of-gravity position.
Preferably, head and the tail being exchanged two blades 1 being arranged side by side, 2 is placed into respectively on two central supports 5,6 the fixing and damping elastomer piece 11,12 in suction surface 15 relative modes separately.
Preferably, the deviation of the position of central support and blade center-of-gravity station is less than 5% of length of blade.
Preferably, adjustable blade makes its maximum chord direction and horizontal surface angle angle between 30 °～80 °.
Preferably, when transportation had the blade of pre-bending, according to the pre-bending deformation size of blade, the angular range of the root end face of blade and the cross-sectional plane of central support was 0～5 °.
Step 3, binding is fixing.
Shown in Fig. 3,4, use the second bandage 9,10 that blade is fixed between the column jacket and inner prop of central support, use the first bandage 7,8 to be bundled the root of blade and the tip of another sheet blade fixing.
Preferably, before use the second bandage 9,10 is fixed, can fill up protective layer at the trailing edge 17 of central support position.
Step 4, the mounting limit support.
As shown in Figure 1, 2, two limiting brackets 3, a separately end of 4 are separately fixed at two blades 1,2 root, separately the other end be separately fixed at distance on the nearer central support of the root of corresponding blade.
Step 5, lifting.
As shown in Figure 1, hanging beam 13 is installed on central support 5,6 the separately lifting point, blade 1,2 integral hoistings are to transport vehicle on the same group.
Step 6, transportation.
With central support 5,6 by chain or be weldingly fixed on the transport vehicle base plate.After the additional work such as signal lamp, final inspection are installed are finished, carry out terrestrial transportation to the destination.
Step 7, dismounting.
After arriving the destination, remove fixing with transport trolley of central support 5,6, take off signal lamp etc., hanging beam 13 is installed, will singly organize blade integral and lift to break away from transport vehicle.
Take terrestrial transportation 1.5MW blade as example, its principal parameter is that long 37.5m, blade root diameter 1890mm, maximum chord length 3180mm, distance of centre of gravity blade root are apart from 11.5m.Adopt the transportation resources in above-described embodiment, central support is apart from 14.5m, 75 ° at blade maximum chord direction and horizontal surface inclination angle, and the long 15m of hanging beam, 27 meters of vehicle commanders, transportation volume is about 425.6m
3, single transport of blades volume is about 266.8m
3Transportation van-type volume reduces 20.2%, and conveying efficiency has promoted one times.
Embodiment 2
As shown in Figure 5, according to technical scheme provided by the invention, when carrying out seat transport, concrete steps are as follows:
Step 1, the direction blade adjustment.
Such as Fig. 1, shown in 2, adjust two blades 1 on the same group, 2 putting position, make the tip of wherein root/tip of a slice blade 1 (afterbody) and on the same group another sheet blade 2/root side-by-side alignment, two blades are exchanged from beginning to end be arranged side by side.
Step 2, assembling in groups.
Such as Fig. 3, shown in 4, head and the tail are exchanged two blades 1,2 that are arranged side by side and are placed into respectively on two central supports 5,6, and central support 5,6 position are adjusted to respectively near blade 1,2 the center-of-gravity position.
Preferably, head and the tail being exchanged two blades 1 being arranged side by side, 2 is placed into respectively on two central supports 5,6 the fixing and damping elastomer piece 11,12 in suction surface 15 relative modes separately.
Preferably, the deviation of the position of central support and blade center-of-gravity station is less than 5% of length of blade.
Preferably, adjustable blade makes its maximum chord direction and horizontal surface angle angle between 30 °～80 °.
Preferably, when transportation had the blade of pre-bending, according to the pre-bending deformation size of blade, the angular range of the root end face of blade and the cross-sectional plane of central support was 0～5 °.
Step 3, binding is fixing.
Shown in Fig. 3,4, use the second bandage 9,10 that blade is fixed between the column jacket and inner prop of central support, use the first bandage 7,8 to be bundled the root of blade and the tip of another sheet blade fixing.
Preferably, before use the second bandage 9,10 is fixed, can fill up protective layer at the trailing edge 17 of central support position.
Step 4, the mounting limit support.
As shown in Figure 1, 2, two limiting brackets 3, a separately end of 4 are separately fixed at two blades 1,2 root, separately the other end be separately fixed at distance on the nearer central support of the root of corresponding blade.
Step 5, lifting.
As shown in Figure 1, hanging beam 13 is installed on central support 5,6 the separately lifting point, with on the same group blade 1,2 integral hoistings to the deck of transportation ship.
Step 6, transportation.
Central support 5,6 is fixed by the deck of its connecting bore and steamer, can be used the detouchable guide finger in case of necessity, single group blade is carried out layering stack, finish necessary corrosion prevention protective treatment, signal lamp is installed, and after the additional work such as final inspection, carries out seat transport to the destination.
Step 7, dismounting.
Remove fixing with ship's deck of central support 5,6, take off signal lamp etc., hanging beam 13 is installed, will singly organize blade integral and lift to break away from steamer.
Take seat transport 2.0MW blade as example, its principal parameter is that long 42.2m, blade root diameter 2205mm, maximum chord length 3583mm, distance of centre of gravity blade root are apart from 12.8m.Adopt the transportation resources in above-described embodiment, central support is apart from 17m, 60 ° at blade maximum chord direction and horizontal surface inclination angle, and the long 17.5m of hanging beam, transportation volume is about 595m
3, single transport of blades volume is about 382m
3Transportation van-type volume reduces 22.1%, if adopt layering to stack, can deposit more blade.
According to the above-mentioned specific embodiment as seen, the invention provides the land and marine transportation resources of a kind of large-scale wind generating blade, terrestrial transportation volume and vehicle commander and seaborne van-type volume have been reduced, adopt the integral hoisting pattern during loading and unloading, single group transport of blades is from a slice to two slice, and efficient doubles.The present invention has made things convenient for the transportation of blade widely, and saves significantly wind power generation blade land and sea-freight traffic cost.
Claims (10)
1. the transportation resources of a blades of large-scale wind driven generator, it is characterized in that, described method can realize the on the same group transportation of two blades, per two blades are one group to be exchanged from beginning to end and is arranged side by side, and is used in combination central support, limiting bracket, bandage and hanging beam to carry out transport of blades in described method.
2. method according to claim 1 is characterized in that, said method comprising the steps of:
Step 1 is adjusted the putting position of two blades on the same group, makes the root/tip of a slice blade wherein and the tip of another sheet blade/root side-by-side alignment, two blades is exchanged from beginning to end be arranged side by side;
Step 2 is exchanged head and the tail described two blades that are arranged side by side and is placed into respectively on two central supports, and the position of described two central supports is adjusted to respectively near the center-of-gravity position of two blades;
Step 3 uses the second bandage that two blades are separately fixed between the column jacket and inner prop of central support, uses the first bandage to be bundled the root of blade and the tip of another sheet blade fixing;
Step 4 is separately fixed at a separately end of two limiting brackets the root of two blades, the other end be separately fixed at distance on the nearer described central support of the root of corresponding blade;
Step 5 is installed to hanging beam on the separately lifting point of described two central supports, and on the same group two blade integrals are lifted on the transportation means;
Step 6 is fixed on two central supports on the transportation means, carries out afterwards transport of blades to the destination;
Step 7 behind the arrival destination, is removed the fixing of described central support and transportation means, and hanging beam is installed, and two blade integrals are lifted to break away from transportation means.
3. method according to claim 2 is characterized in that, in described step 2, head and the tail is exchanged described two blades that are arranged side by side be placed into respectively on the fixing and damping elastomer piece of two central supports in the mode that suction surface is relative separately.
4. method according to claim 2 is characterized in that, in described step 2, the position of described central support and the deviation of blade center-of-gravity station are less than 5% of length of blade.
5. method according to claim 2 is characterized in that, in described step 2, also adjusts blade, makes its maximum chord direction and horizontal surface angle angle between 30 °～80 °.
6. method according to claim 2 is characterized in that, in described step 2, when transportation had the blade of pre-bending, the angular range of the root end face of blade and the cross-sectional plane of central support was 0～5 °.
7. method according to claim 2 is characterized in that, in described step 3, behind protective layer on the trailing edge pad of described central support position, re-uses the second bandage two blades are separately fixed between the column jacket and inner prop of central support.
8. method according to claim 2 is characterized in that, in described step 6, when transportation means is transport vehicle, by chain or welding described central support is fixed on the base plate of transport vehicle; When transportation means is transportation during ship, the connecting bore by described central support is fixed on described central support on the deck of transportation ship.
9. method according to claim 2 is characterized in that, in described step 5, the deviation of distance is less than 10% of distance between described two central supports between the length of described hanging beam and described two central supports.
10. method according to claim 2 is characterized in that, described central support has connecting bore and detouchable guide finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280074.0A CN103318568B (en) | 2013-07-05 | 2013-07-05 | A kind of transportation resources of blades of large-scale wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280074.0A CN103318568B (en) | 2013-07-05 | 2013-07-05 | A kind of transportation resources of blades of large-scale wind driven generator |
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| Publication Number | Publication Date |
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| CN103318568A true CN103318568A (en) | 2013-09-25 |
| CN103318568B CN103318568B (en) | 2016-01-20 |
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| CN201310280074.0A Expired - Fee Related CN103318568B (en) | 2013-07-05 | 2013-07-05 | A kind of transportation resources of blades of large-scale wind driven generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906483A (en) * | 2022-06-21 | 2022-08-16 | 江苏振江新能源装备股份有限公司 | Loading method for wind driven generator support |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060251517A1 (en) * | 2003-07-10 | 2006-11-09 | Peter Grabau | Transporting and storing curved wind turbine blades |
| CN102325704A (en) * | 2008-12-19 | 2012-01-18 | 泰克西斯先进技术及体系有限公司 | Packing method and packing system for three aerogenerator blades |
-
2013
- 2013-07-05 CN CN201310280074.0A patent/CN103318568B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060251517A1 (en) * | 2003-07-10 | 2006-11-09 | Peter Grabau | Transporting and storing curved wind turbine blades |
| CN102325704A (en) * | 2008-12-19 | 2012-01-18 | 泰克西斯先进技术及体系有限公司 | Packing method and packing system for three aerogenerator blades |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906483A (en) * | 2022-06-21 | 2022-08-16 | 江苏振江新能源装备股份有限公司 | Loading method for wind driven generator support |
| CN114906483B (en) * | 2022-06-21 | 2023-05-16 | 江苏振江新能源装备股份有限公司 | Loading method for wind driven generator bracket |
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Effective date of registration: 20180416 Address after: 100084 room 304, block A, Zhi Zhi street, Zhongguancun, 45 Cheng Fu Road, Haidian District, Beijing. Patentee after: Beijing Kai Di Qingfeng science and Technology Co.,Ltd. Address before: 100080, Beijing, Haidian District Qinghe Xisanqi Huandao 200 meters east building 2087, room 2 Patentee before: Beijing KhanWind Tech Ltd. |
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Denomination of invention: Transportation method for large-scale wind turbine blades Effective date of registration: 20200628 Granted publication date: 20160120 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: Beijing Kai Di Qingfeng science and Technology Co.,Ltd. Registration number: Y2020990000670 |
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Granted publication date: 20160120 |