CN102979685A - Installation equipment and installation method for impeller in offshore wind generating set - Google Patents
Installation equipment and installation method for impeller in offshore wind generating set Download PDFInfo
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- CN102979685A CN102979685A CN2012105005869A CN201210500586A CN102979685A CN 102979685 A CN102979685 A CN 102979685A CN 2012105005869 A CN2012105005869 A CN 2012105005869A CN 201210500586 A CN201210500586 A CN 201210500586A CN 102979685 A CN102979685 A CN 102979685A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
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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
- Y02E10/727—Offshore wind turbines
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Abstract
The invention discloses an installation device and an installation method for an impeller in an offshore wind generating set, relates to the technical field of wind driven generators, and aims to solve the problem that the impeller is easy to overturn when the impeller in the offshore wind generating set is installed. The mounting apparatus includes: a cylindrical barrel and support legs; one end face of the cylindrical barrel is welded on a deck of the ship; the edge of the other end face of the cylindrical barrel is provided with a flange face, and a hole for mounting a hub in the impeller is formed in the flange face; when the installation equipment is used for the double-blade impeller, the number of the support legs is at least one, and at least one first opening is arranged at a position, adjacent to a deck, on the wall of the cylindrical barrel; at least one supporting leg is fixedly arranged in the at least one first opening; when the mounting equipment is used for a three-blade or more-blade impeller, the number of the support legs is at least two, and at least two second openings are formed in positions, adjacent to the deck, on the wall of the cylindrical barrel; at least two supporting legs are respectively and fixedly arranged in the at least two second openings.
Description
Technical field
The present invention relates to technical field of wind power generator, relate in particular to a kind of erection unit for the offshore wind turbine impeller and installation method.
Background technique
When impeller was installed in the offshore wind turbine, needs were transported to the assembly (blade, wheel hub etc.) of impeller on the mountion plate of offshore wind turbine with boats and ships first, and mountion plate is generally the deck of boats and ships.Finish again the assembling of impeller in the wind power generating set at mountion plate, then the impeller that assembles is lifted into high aerial designated mounting position.
Carry out in the impeller sets process of assembling at mountion plate, because mountion plate is generally the deck of boats and ships, the beam over deck of boats and ships generally about 30-40 rice, surpasses 100 meters and impeller diameter is common, and therefore, the blade in the impeller substantially all is suspended in outside the deck of boats and ships.And, because the limited space on the deck also can't use support or crane that the blade in the impeller is supported, so the easy overturning of impeller.
Summary of the invention
Embodiments of the invention provide a kind of erection unit for the offshore wind turbine impeller and installation method, have solved when adopting existing installation method that impeller is installed in the offshore wind turbine problem of the easy overturning of impeller.
For achieving the above object, embodiments of the invention adopt following technological scheme:
A kind of erection unit for the offshore wind turbine impeller comprises cylindrical tube and supporting leg; End face of described cylindrical tube is welded on the deck of boats and ships; Another end face edge of described cylindrical tube is provided with flanged surface, and described flanged surface is provided with for the hole that described impeller wheel hub is installed; When described erection unit was used for two blade impeller, the number of described supporting leg was at least one, was provided with at least one first opening with described deck adjoining position on the barrel of described cylindrical tube; Described at least one supporting leg is installed in described at least one first opening; When described erection unit is used for three blades or more during multiblade impeller, the number of described supporting leg is at least two, be provided with at least two the second openings with described deck adjoining position on the barrel of described cylindrical tube; Described at least two supporting legs are installed in respectively in described two the second openings at least.
Preferably, described supporting leg is long support leg or short supporting leg, and the length of described long support leg is greater than the length of described short supporting leg; When described erection unit was used for two blade impeller, described supporting leg comprised at least one long support leg; When described erection unit is used for three blades or more during multiblade impeller, described supporting leg comprises at least two long support legs, wherein the angle between two long support legs equals 120 degree.
Preferably, described erection unit also comprises the supporting leg case; The number of described supporting leg case equals the number of described supporting leg; Described supporting leg case is weldingly fixed in described the first opening or described the second opening; Described supporting leg is set in respectively in the described supporting leg case and from described supporting leg case and stretches out.
Wherein, when the number of described supporting leg case during at least two, an end of the described cylindrical tube of the insertion of described supporting leg case inside welds together.
Wherein, described supporting leg case is long support leg case or short supporting leg case, and described long support leg is set in the described long support leg case, and described short supporting leg is set in the described short supporting leg case; The length that is positioned at the described cylindrical tube outside of described long support leg case is greater than the length in the described cylindrical tube of being positioned at of the described short supporting leg case outside.
Preferably, the number of described long support leg is three, and the number of described short supporting leg also is three, and wherein three described long support legs are adjacent, each described long support leg all with a described short supporting leg conllinear, and the angle between two adjacent described long support legs equal 60 the degree.
Preferably, be provided with fixed unit between described supporting leg case and the described supporting leg, be used for described supporting leg is fixed in the described supporting leg case.
Wherein, described fixed unit is sheet metal.
A kind of installation method for the offshore wind turbine impeller uses above-mentioned erection unit for the offshore wind turbine impeller, and described impeller is two blade impeller, and described installation method comprises:
(1), the wheel hub with described impeller is installed on the flanged surface of cylindrical tube in the described erection unit;
(2), in described erection unit directly over the long support leg with first blades installation of described impeller to described wheel hub;
(3), with second blades installation of described impeller to wheel hub.
A kind of installation method for the offshore wind turbine impeller uses above-mentioned erection unit for the offshore wind turbine impeller, and described impeller is three blade impellers, and described installation method comprises:
(1), the wheel hub with described impeller is installed on the flanged surface of cylindrical tube in the described erection unit;
(2), in described erection unit directly over long support leg with the first blades installation of described impeller to described wheel hub;
(3), in described erection unit directly over the another long support leg with the second blades installation of described impeller to described wheel hub;
(4), with the 3rd blades installation of described impeller to described wheel hub.
What the embodiment of the invention provided is used in the erection unit and installation method of offshore wind turbine impeller, in the process of assembling impeller, because cylindrical tube has the first opening or the second opening, supporting leg is installed in the first opening or the second opening, so that cylindrical tube and supporting leg form a whole, supporting leg can be delivered to the pressure that is subject on the deck of boats and ships, thereby prevented that cylindrical tube is stressed excessive and overturning occurs, and then avoided the impeller generation overturning that is fixedly connected with cylindrical tube.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art.
The schematic representation of a kind of erection unit for the offshore wind turbine impeller that Fig. 1 a provides for the embodiment of the invention;
The another kind that Fig. 1 b provides for the embodiment of the invention is used for the schematic representation of the erection unit of offshore wind turbine impeller;
Another schematic representation for the erection unit of offshore wind turbine impeller that Fig. 2 provides for the embodiment of the invention;
The flow chart of a kind of installation method for the offshore wind turbine impeller that Fig. 3 provides for the embodiment of the invention;
The another kind that Fig. 4 provides for the embodiment of the invention is used for the flow chart of the installation method of offshore wind turbine impeller;
Another schematic representation for the erection unit of offshore wind turbine impeller that Fig. 5 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of erection unit for the offshore wind turbine impeller, shown in Fig. 1 a and Fig. 1 b, comprises cylindrical tube 12 and supporting leg 13; 12 1 end faces of cylindrical tube are welded on the deck 11 of boats and ships; Another end face edge of cylindrical tube 12 is provided with flanged surface 121, and flanged surface 121 is provided with for the hole 1211 that impeller 14 wheel hubs are installed; When above-mentioned erection unit was used for two blade impeller 14, the number of supporting leg 13 was at least one, was provided with as shown in Figure 1a at least one first opening 122 with deck 11 adjoining positions on the barrel of cylindrical tube 12; At least one supporting leg 13 is installed at least one first opening 122; When above-mentioned erection unit is used for three blades or more during multiblade impeller 14, the number of supporting leg 13 is at least two, shown in Fig. 1 b, be provided with at least two the second openings 123 with deck 11 adjoining positions on the barrel of cylindrical tube 12; At least two supporting legs 13 are installed in respectively at least two the second openings 123.
Because 12 1 end faces of cylindrical tube are welded on the deck 11 of boats and ships, so the deck 11 of cylindrical tube 12 and boats and ships is fixed together.The other end of cylindrical tube 12 is provided with flanged surface 121, and flanged surface 121 is provided with the hole 1211 that wheel hub in the impeller 14 can be installed, and is fixed on the cylindrical tube 12 so that wheel hub is bolted.
When the number of supporting leg 13 is at least one, as shown in Figure 1a, can use above-mentioned erection unit to finish the assembling of two blade impeller 14 on the deck 11 of boats and ships.Owing to be provided with at least one first opening 122 with deck 11 adjoining positions on the barrel of cylindrical tube 12, at least one supporting leg 13 is installed at least one first opening 122, so supporting leg 13 forms a whole with cylindrical tube 12.In the time of on the wheel hub 141 directly over first blade 142 being assembled into supporting leg 13, first blade 142 forms impeller 14 with wheel hub 141, impeller 14 can apply larger pressure to the integral body of cylindrical tube 12 and supporting leg 13 compositions, this power can be delivered on the deck 11 of boats and ships by supporting leg 13, thereby prevented when assembling impeller 14, because using support or crane that impeller 14 is supported, the situation of overturning occurs in impeller 14 easily.
When second blade 143 of assembling, owing to first blade 142 is assembled on the wheel hub 141, cylindrical tube 12 1 sides are subject to the pressure of first blade 142, after second blade 143 is assembled on the wheel hub 141, will be to another pressure of cylindrical tube 12 bodies, because two leaf angles are 180 degree, be that conllinear distributes, pressure equal and opposite in direction, direction that two blades act on the cylindrical tube 12 are identical, and fulcrum is identical, and two moments are cancelled each other.When therefore having avoided assembling impeller 14, in the situation that can't use support or crane that impeller 14 is supported, overturning occurs in the impeller 14 that is fixed on the cylindrical tube 12.
When the number of supporting leg 13 during at least two, shown in Fig. 1 b, can use above-mentioned erection unit to finish three blades or the more assembling of multiblade impeller 14 on the deck 11 of boats and ships.Owing to be provided with at least two the second openings 123 with deck 11 adjoining positions on the barrel of cylindrical tube 12; Therefore at least two supporting legs 13 are installed in respectively at least two the second openings 123, and in the time of on the wheel hub of the first blade assembling directly over the supporting leg 13, the same with the situation of above-mentioned installation two blade impellers 14, impeller 14 can overturning.
When assembling the second blade, cylindrical tube 12 can be subject to the pressure of the second blade, this power can be delivered to by the supporting leg 13 under described the second blade on the deck 11 of boats and ships, thereby prevented cylindrical tube 12 because of stressed excessive overturning, and then overturning occurs in the impeller 14 of having avoided being fixedly connected with cylindrical tube 12.
When assembling the 3rd blade, cylindrical tube 12 can be subject to the pressure of the 3rd BLADE FORCE, this power can be delivered to by the supporting leg 13 under the 3rd blade on the deck 11 of boats and ships, thereby prevented cylindrical tube 12 because of stressed excessive overturning, and then overturning occurs in the impeller 14 of having avoided being fixedly connected with cylindrical tube 12.
In the erection unit that the embodiment of the invention provides, in the process of assembling impeller 14, because cylindrical tube 12 has the first opening 122 or the second opening 123, supporting leg 13 is installed in the first opening 122 or the second opening 123, so that cylindrical tube 12 forms a whole with supporting leg 13, supporting leg 13 can be delivered to the pressure that is subject on the deck 11 of boats and ships, thereby prevented that cylindrical tube 12 is stressed excessive and overturning occurs, and then overturnings occur in the impeller 14 of having avoided being fixedly connected with cylindrical tube 12.
In the erection unit that above-described embodiment provides, supporting leg 13 can be long support leg or short supporting leg, and the length of long support leg is greater than the length of short supporting leg; When above-mentioned erection unit was used for two blade impeller 14, as shown in Figure 1a, supporting leg 13 comprised at least one long support leg; When above-mentioned erection unit is used for three blades or more during multiblade impeller 14, shown in Fig. 1 b, supporting leg 13 comprises at least two long support legs, wherein the angle between two long support legs equals 120 degree.
When supporting leg 13 comprised at least one long support leg, erection unit can be used for assembling two blade impeller 14.
When supporting leg 13 comprised at least two long support legs, erection unit can be used for assembling three blades or multiblade impeller 14.
When assembling three blade impeller 14, need first respectively with on the wheel hub directly over two blades installations to two long support leg, wheel hub directly over short supporting leg is installed the 3rd blade at last, such erection sequence is that impeller 14 overturning can not occur in order to ensure when group is installed the first blade respectively and when the second blade is installed.
If at first the wheel hub directly over short supporting leg is installed the first blade, because short supporting leg Length Ratio is shorter, therefore can not be delivered to cylindrical tube 12 suffered pressure on the deck 11 of boats and ships well, so that overturning may occur impeller 14.
Certainly, the length of a plurality of supporting legs 13 can all equate, and the length of supporting leg 13 can according to reality with the time needs select.
In the erection unit that above-described embodiment provides, can also comprise supporting leg case 23 as shown in Figure 2; The number of supporting leg case 23 equals the number of supporting leg 13; Supporting leg case 23 is weldingly fixed in the first opening 122 or the second opening 123; Supporting leg is set in respectively in the supporting leg case and from the supporting leg case and stretches out.Wherein, supporting leg case 23 can avoid supporting leg 13 directly to contact with the first opening 122 or the second opening 123 on the cylindrical tube 12, thereby avoids the first opening 122 or the second opening 123 to be subjected to the effect of supporting leg 13 power and be out of shape.
In the erection unit that above-described embodiment provides, when the number of supporting leg case during at least two, one end of the insertion cylindrical tube inside of supporting leg case can weld together, so that supporting leg case 23 connections fixed to one another and structure is more firm have strengthened the stress-bearing capability of cylindrical tube 12.
In the erection unit that above-described embodiment provides, supporting leg case 23 can be long support leg case or short supporting leg case; The long support leg is set in the long support leg case, and short supporting leg is set in the short supporting leg case; The length that is positioned at cylindrical tube 12 outsides of long support leg case is greater than the length that is positioned at cylindrical tube 12 outsides of short supporting leg case.
Certainly, the length that is positioned at cylindrical tube 12 outsides of a plurality of supporting leg casees 23 can all equate, and the length of supporting leg case 23 can according to reality with the time needs select.
And the length that the long support leg is set in the long support leg case can be 1.5 meters, and the length that short supporting leg is set in the short supporting leg case can be 0.5 meter.But the length that supporting leg 13 is set in the supporting leg case 23 is not limited to above-mentioned numerical value, other numerical value that also can be known to those skilled in the art.
In the erection unit that above-described embodiment provides, as shown in Figure 5, the number of long support leg 51 can be three, the number of short supporting leg 52 also can be three, wherein three long support legs 51 are adjacent, each long support leg 51 all with short supporting leg 52 conllinear, and the angle between two adjacent long support legs 51 equal 60 the degree.Arrange that like this so that uniform six supporting legs 13 in the 360 degree scopes, the power that can better cylindrical tube 12 be subject to is passed on the deck 11 through supporting leg 13, supporting leg 13 has strengthened the stress-bearing capability of cylindrical tube 12, thereby makes impeller 14 more difficult overturnings.
Certainly, the quantity of supporting leg 13 is not limited to 6, also can be for strengthening other quantity of cylindrical tube 12 stress-bearing capability.
In the erection unit that above-described embodiment provides, be provided with fixed unit 24 between supporting leg case 23 and the supporting leg 13, be used for supporting leg 13 is fixed in the supporting leg case 23.Fixed unit 24 can make supporting leg 13 not change with respect to the position of supporting leg case 23 in supporting leg case 23, has increased the steadiness of supporting leg 13.
In the erection unit that above-described embodiment provides, fixed unit 24 is sheet metal, sheet metal can reduce even eliminate the gap of supporting leg 13 and supporting leg case 23, because the steel-sheet price is lower, and do not need higher dimensional accuracy, therefore use sheet metal lower to the cost that supporting leg 13 is fixed.
The embodiment of the invention also provides a kind of installation method for the offshore wind turbine impeller, as shown in Figure 3, the erection unit that is used for the offshore wind turbine impeller that above-described embodiment is described, impeller is two blade impeller, this installation method comprises:
301, the wheel hub 141 with impeller 14 is installed on the flanged surface 121 of cylindrical tube 12 in the above-mentioned erection unit;
302, in above-mentioned erection unit, directly over the long support leg first blade 142 of described impeller 14 is installed on the wheel hub 141;
303, second blade 143 with impeller 14 is installed on the wheel hub 141.
The method is that two blade impeller 14 is installed, and has a supporting leg 13 in the erection unit that therefore uses.In the erection unit that above-described embodiment provides, the method is described in detail, therefore repeats no more.
In the installation method that the embodiment of the invention provides, in the process of assembling two blade impeller 14, the wheel hub 141 of impeller 14 is installed on the flanged surface 121 of cylindrical tube 12 in the above-mentioned erection unit, wheel hub 141 is fixed on the cylindrical tube 12, first blade 142 of impeller 14 is installed in the above-mentioned erection unit on the wheel hub directly over the long support leg 141, this long support leg can be delivered to the pressure that is subject on the deck 11 of boats and ships, thereby prevented that cylindrical tube 12 is stressed excessive and overturning occurs, and then overturnings occur in the impeller 14 of having avoided being fixedly connected with cylindrical tube 12.
The embodiment of the invention provides again a kind of installation method for the offshore wind turbine impeller, as shown in Figure 4, the erection unit that is used for the offshore wind turbine impeller that uses above-described embodiment to describe, impeller 14 is three blade impellers 41, above-mentioned installation method comprises:
401, the wheel hub with impeller 14 is installed on the flanged surface 121 of cylindrical tube 12 in the above-mentioned erection unit;
402, in above-mentioned erection unit directly over long support leg with the first blades installation of impeller 14 to wheel hub;
403, in above-mentioned erection unit directly over the another long support leg with the second blades installation of impeller 14 to wheel hub;
404, with the 3rd blades installation of impeller 14 to wheel hub.
The method is that three blade impellers 14 are installed, and has three supporting legs 13 in the erection unit that therefore uses.In the erection unit that above-described embodiment provides, the method is described in detail, therefore repeats no more.
In the installation method that the embodiment of the invention provides, in the process of assembling three blade impellers 14, the wheel hub of impeller 14 is installed on the flanged surface 121 of cylindrical tube 12 in the above-mentioned erection unit, wheel hub is fixed on the cylindrical tube 12, at first with the first blades installation of impeller 14 in above-mentioned erection unit on the wheel hub directly over long support leg, this long support leg can be delivered to the pressure that is subject on the deck 11 of boats and ships, then with the second blades installation of impeller 14 in above-mentioned erection unit on the wheel hub directly over long support leg, this long support leg also can be delivered to the pressure that is subject on the deck 11 of boats and ships; At last with the 3rd blades installation of impeller 14 on the wheel hub directly over the short-and-medium supporting leg of above-mentioned erection unit, this weak point supporting leg also can be delivered to the pressure that is subject on the deck 11 of boats and ships.Thereby prevented in assembling during three blade impellers 14 that cylindrical tube 12 excessive the overturning situation occurs because of stressed, and then avoided the impeller 14 generation overturning situations that are fixedly connected with cylindrical tube 12.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. an erection unit that is used for the offshore wind turbine impeller is characterized in that, comprises cylindrical tube and supporting leg; End face of described cylindrical tube is welded on the deck of boats and ships; Another end face edge of described cylindrical tube is provided with flanged surface, and described flanged surface is provided with for the hole that described impeller wheel hub is installed;
When described erection unit was used for two blade impeller, the number of described supporting leg was at least one, was provided with at least one first opening with described deck adjoining position on the barrel of described cylindrical tube; Described at least one supporting leg is installed in described at least one first opening;
When described erection unit is used for three blades or more during multiblade impeller, the number of described supporting leg is at least two, be provided with at least two the second openings with described deck adjoining position on the barrel of described cylindrical tube; Described at least two supporting legs are installed in respectively in described two the second openings at least.
2. erection unit according to claim 1 is characterized in that, described supporting leg is long support leg or short supporting leg, and the length of described long support leg is greater than the length of described short supporting leg;
When described erection unit was used for two blade impeller, described supporting leg comprised at least one long support leg;
When described erection unit is used for three blades or more during multiblade impeller, described supporting leg comprises at least two long support legs, wherein the angle between two long support legs equals 120 degree.
3. erection unit according to claim 1 and 2 is characterized in that, also comprises the supporting leg case; The number of described supporting leg case equals the number of described supporting leg; Described supporting leg case is weldingly fixed in described the first opening or described the second opening; Described supporting leg is set in respectively in the described supporting leg case and from described supporting leg case and stretches out.
4. erection unit according to claim 3 is characterized in that, when the number of described supporting leg case during at least two, an end of the described cylindrical tube of the insertion of described supporting leg case inside welds together.
5. erection unit according to claim 3 is characterized in that, described supporting leg case is long support leg case or short supporting leg case, and described long support leg is set in the described long support leg case, and described short supporting leg is set in the described short supporting leg case; The length that is positioned at the described cylindrical tube outside of described long support leg case is greater than the length in the described cylindrical tube of being positioned at of the described short supporting leg case outside.
6. erection unit according to claim 1 and 2, it is characterized in that, the number of described long support leg is three, the number of described short supporting leg also is three, wherein three described long support legs are adjacent, each described long support leg all with a described short supporting leg conllinear, and the angle between two adjacent described long support legs equal 60 the degree.
7. erection unit according to claim 3 is characterized in that, is provided with fixed unit between described supporting leg case and the described supporting leg, is used for described supporting leg is fixed in the described supporting leg case.
8. erection unit according to claim 7 is characterized in that, described fixed unit is sheet metal.
9. an installation method that is used for the offshore wind turbine impeller is characterized in that, right to use requires each described erection unit for the offshore wind turbine impeller of 1-8, and described impeller is two blade impeller, and described installation method comprises:
(1), the wheel hub with described impeller is installed on the flanged surface of cylindrical tube in the described erection unit;
(2), in described erection unit directly over the long support leg with first blades installation of described impeller to described wheel hub;
(3), with second blades installation of described impeller to wheel hub.
10. an installation method that is used for the offshore wind turbine impeller is characterized in that, right to use requires each described erection unit for the offshore wind turbine impeller of 1-8, and described impeller is three blade impellers, and described installation method comprises:
(1), the wheel hub with described impeller is installed on the flanged surface of cylindrical tube in the described erection unit;
(2), in described erection unit directly over long support leg with the first blades installation of described impeller to described wheel hub;
(3), in described erection unit directly over the another long support leg with the second blades installation of described impeller to described wheel hub;
(4), with the 3rd blades installation of described impeller to described wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210500586.9A CN102979685B (en) | 2012-11-29 | 2012-11-29 | Installation equipment and installation method for impeller in offshore wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210500586.9A CN102979685B (en) | 2012-11-29 | 2012-11-29 | Installation equipment and installation method for impeller in offshore wind generating set |
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| CN102979685A true CN102979685A (en) | 2013-03-20 |
| CN102979685B CN102979685B (en) | 2015-05-20 |
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| CN113847209A (en) * | 2021-10-22 | 2021-12-28 | 中国铁建港航局集团有限公司 | Assembling equipment and assembling method for offshore wind power impeller |
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| CN112879232A (en) * | 2021-01-26 | 2021-06-01 | 中国一冶集团有限公司 | Fan impeller assembling platform and construction method |
| CN113847209A (en) * | 2021-10-22 | 2021-12-28 | 中国铁建港航局集团有限公司 | Assembling equipment and assembling method for offshore wind power impeller |
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| CN102979685B (en) | 2015-05-20 |
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