CN108946509A - A kind of large-scale wind driven generator is from rising tower crane construction method - Google Patents
A kind of large-scale wind driven generator is from rising tower crane construction method Download PDFInfo
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- CN108946509A CN108946509A CN201811157343.3A CN201811157343A CN108946509A CN 108946509 A CN108946509 A CN 108946509A CN 201811157343 A CN201811157343 A CN 201811157343A CN 108946509 A CN108946509 A CN 108946509A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of large-scale wind driven generators to rise tower crane construction method certainly, by tower crane section, standard section of tower crane, tower crane jacking section, jacking cylinder, tower crane counter-jib, crane arm, trolley, crampon, connection support, draught fan impeller, cabin, tower, blower concrete foundation, tower crane pedestal connects frame and blower foundation ring composition, its pre-buried tower crane pedestal connection frame when being poured using wind driven generator base, then again before blower fan tower barrel installation, self-elevating tower crane assembling is finished using whipline, self-elevating tower crane and whipline cooperation is recycled to complete blower fan tower barrel, cabin, the assembling of impeller is installed.The present invention solves the problems, such as to install in the special environment conditions large-scale wind driven generator such as mountain area, beach, coastal, has easy for construction, and speed of application is fast, investment reduction, the advantages that reducing cost, improves wind-driven generator installation effectiveness.
Description
Technical field
The present invention relates to field of new energy technologies, specially a kind of large-scale wind driven generator rises tower crane construction method certainly.
Background technique
With increasingly deficient and science and technology the rapid development of world energy sources, requirement of the people to environmental protection in addition,
People are striving to find a kind of renewable, environmentally friendly, clean green energy resource that can substitute the energy such as petroleum, natural gas.Wind energy is
A kind of current most promising new energy, it is the inexhaustible energy or a kind of cleaning, without dirt
Dye, reproducible green energy resource.
China is the highest country of wind resource occupation rate in the world, and utilizes the country of wind energy earliest in the world
One, according to statistics, 10m height layer wind energy resources total amount in China is 3226GW, wherein land wind energy total amount of exploiting is
253GW, in addition Oversea wind resource, China can utilize the nearly 1000GW of wind resource.If wind resource rate of exploitation reaches 60%,
Only wind power generation one just can support the current whole electricity needs in China.
With Chinese large-sized Wind turbines develop work accelerate, originally large-scale wind electricity unit substantially rely on into
Mouthful, by developing for many years, nowadays, the main component of large-scale wind electricity unit realizes production domesticization substantially, meanwhile, with
Wind-driven generator manufactures the progress of technology, and wind-driven generator manufacture is increasing, from original 1MW, 1.5MW, 2MW etc., development
To current 2.5MW, 3MW, 3.6MW, 6MW etc., blade is increasingly longer, increasing, and assembling height is higher and higher, by original
60m, 70m, 80m, the 90m ... come, develops to current 120m, 140m, 160m ..., therefore, in the complex environments such as mountain area, coastal
The installation of large-scale wind driven generator equipment brings difficulty.
It investigated, looked into the wind power plant construction newly, being completed both at home and abroad at present, traditional wind-driven generator is usually used
Installation method: i.e. crawler crane serves as hanging device leading role, autocrane stooge.But with mounting height
Higher and higher, the large caterpillar needed is increasing, is increasingly difficult to meet, and at high cost.This construction method exist with
Lower disadvantage: 1, the shortcoming of giant caterpillar formula crane is that in assembled boom, required place is larger, for example boom has 100
Rice, required place is just at 100 meters or more, and on mountain or seashore is difficult to find suitable place splicing, and before crawler crane
Phase assembling is very cumbersome, is not suitable for using in the situation with a varied topography of the fields such as mountain area, forest zone, coastal；2, the wind-powered electricity generation peace in China
Dress is general all under complex environment, and the every lifting for completing a place of giant caterpillar formula crane requires fission and transports down
One job site, is assembled again, thus efficiency is very low, unfavorable save the cost；3, certainly due to giant caterpillar formula crane
Great, transition transport is high for wind power plant rto request, cost of idleness.4, wind-driven generator installation period, duration are influenced
Long, work efficiency is low.
Summary of the invention
The purpose of the present invention is to provide a kind of large-scale wind driven generators from tower crane construction method is risen, and is suitable for coastal, mountain
The installation of the large-scale wind driven generator of the various complicated environmental conditions such as area, accelerates construction speed, reduces cost, investment reduction,
To solve complex condition mentioned above in the background art, the higher and higher construction of large-scale wind driven generator mounting height is difficult
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of large-scale wind driven generator is from rising tower crane construction method, comprising the following steps:
Step 1: when being poured blower concrete foundation, tower crane pedestal connection frame and blower foundation ring being embedded in mixed
In solidifying soil, to install self-elevating tower crane；
Step 2: tower crane section is connect frame use by installation self-elevating tower crane base section with pre-buried tower crane pedestal
High-strength bolt is fixedly connected；
Step 3: tower crane is saved high-strength bolt and is fixedly connected with standard section of tower crane by installation standard section of tower crane；
Step 4: installation tower crane jacking section, and jacking cylinder is fixed on tower crane jacking section, using high-strength bolt by tower crane
Standard knot is fixedly connected with tower crane jacking section；
Step 5: tower crane jacking section is fixedly connected by installation tower crane tower cap section with high-strength bolt with tower crane tower cap section；
Step 6: installation tower crane counter-jib is sling ground tower crane counter-jib one end with whipline, with pin shaft and tower
Body connection；
Step 7: installation tower crane crane arm utilizes whipline on ground, tower crane crane arm group is installed, then use auxiliary hanging
Vehicle slings one end, is connect with pin shaft with tower body, while installing crane arm traction rope, and according to tower crane crane arm weight, length,
Counter-jib counterweight and counter-jib traction rope are installed,
Step 8: installation trolley and crampon；
Step 9: checking that electrically, debugging, test run finishes；
Step 10: carrying out Fan Equipment installation；Tower barrel base section is installed first, is matched using from liter tower crane with whipline
It closes, crampon suspender belt is connect with tower barrel base section top, whipline is connect with tower barrel base section lower end, is made simultaneously
Industry, raising crampon, whipline slowly cooperate, and when tower barrel base section is at plumbness, unclamp the suspension hook of whipline,
Tower barrel base section is slowly lifted on blower foundation ring by tower crane, is fixedly connected with high-strength bolt；
Step 11: the second section of tower, tower third section successively being installed according to same method in step, in entire tower height
After 50m, tower crane installs a support connector every 10m, is divided into the first connection support, the second connection from bottom to up
Support, third connection support, for connecting tower crane and the tower of installation, improve the monolithic stability of self-elevating tower crane；
Step 12: with the raising of mounting height, tower crane jacks the jacking cylinder on section for tower when in use, by tower crane
Body slowly jacks, and successively increases standard section of tower crane, so that entire tower crane increases, while the connection support for installing tower crane makes itself and tower
Cylinder is fixed with bolt；
Step 13: installation fan engine room is connect with fan engine room by suspender belt using the crampon of tower crane, is slowly promoted
Fan engine room makes it promote the top for arriving tower third section, is fixedly connected with high-strength bolt with tower third section；
Step 14: installation draught fan impeller is first located in barnyard and assembles blade and wheel hub to form draught fan impeller, then, benefit
It is mounted on wheel hub with the crampon of tower crane and whipline coordinating operation, tower crane by suspender belt, whipline passes through suspender belt
It is mounted on the third blade of draught fan impeller, is slowly promoted, until third blade state in a vertical shape, unclamps whipline,
Crampon continues to lift up, and is promoted and arrives fan engine room position, is slowly aligned, fixed by high-strength bolt, Panasonic's crampon is complete
At the installation of entire Fan Equipment.
Preferably, including by tower crane section, standard section of tower crane, tower crane jacking section, counter-jib counterweight, tower crane counter-jib,
Tower crane tower cap section, counter-jib traction rope, crane arm traction rope, tower crane crane arm, trolley, crampon, suspender belt, first connect
Connect support, the second connection support, third connection support, draught fan impeller, fan engine room, tower third section, the second section of tower, tower
Base section, jacking cylinder, blower concrete foundation, tower crane pedestal connection frame and blower foundation ring composition.
Preferably, the first connection support, the second connection support, third connection support connect frame with tower crane pedestal
It is welded by 20# channel steel.
Preferably, the size of the tower crane pedestal connection frame matches with tower crane section, successively adopts during installation
It is attached with the high-strength bolt of M30mm.
Compared with prior art, the beneficial effects of the present invention are:
It is various to be suitable for coastal, mountain area etc. from tower crane construction method is risen for a kind of large-scale wind driven generator provided by the invention
The installation of the large-scale wind driven generator of complicated environmental condition is solved in the special environment conditions large size wind such as mountain area, beach, coastal
The problem of power generator installation, has easy for construction, and speed of application is fast, investment reduction, the advantages that reducing cost, improves wind-force
Generator installation effectiveness.
Detailed description of the invention
Fig. 1 is blower foundation sectional view of the invention；
Fig. 2 is blower fan tower barrel scheme of installation of the invention；
Fig. 3 is fan engine room scheme of installation of the invention；
Fig. 4 is draught fan impeller scheme of installation of the invention；
Fig. 5 is that tower crane pedestal of the invention connects mount structure figure；
Fig. 6 is blower foundation ring structure figure of the invention.
In figure: 1 tower crane section, 2 standard section of tower crane, 3 tower cranes jack section, 4 counter-jib counterweights, 5 tower crane counter-jibs, 6 towers
Tower crane cap section, 7 counter-jib traction ropes, 8 crane arm traction ropes, 9 tower crane crane arms, 10 trolleys, 11 crampons, 12 are hung
Band, 13 first connection supports, 14 second connection supports, 15 thirds connect support, 16 draught fan impellers, 17 fan engine rooms, 18 towers
Third section, 19 the second sections of tower, 20 tower barrel base sections, 21 jacking cylinders, 22 blower concrete foundations, 23 tower crane pedestals connect
Connect frame, 24 blower foundation rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-6, in the embodiment of the present invention: a kind of large-scale wind driven generator from rising tower crane construction method, including with
Lower step:
Step 1: when being poured blower concrete foundation 22, tower crane pedestal is connected into frame 23 and blower foundation ring 24
It is embedded in concrete, to install self-elevating tower crane；
Step 2: tower crane section 1 is connect by installation self-elevating tower crane base section 1 with pre-buried tower crane pedestal
Frame 23 is fixedly connected with high-strength bolt；
Step 3: installation standard section of tower crane 2, i.e., by the high-strength bolt of tower crane section 1 and the fixed company of standard section of tower crane 2
It connects；
Step 4: installation tower crane jacking section 3, and jacking cylinder 21 is fixed on tower crane jacking section 3, it will using high-strength bolt
Standard section of tower crane 2 is fixedly connected with tower crane jacking section 3；
Step 5: tower crane jacking section 3 is fixed with high-strength bolt with tower crane tower cap section 6 and is connected by installation tower crane tower cap section 6
It connects；
Step 6: installation tower crane counter-jib 5, i.e., tower crane counter-jib 5 one end in ground is sling with whipline, with pin shaft with
Tower body connection；
Step 7: installation tower crane crane arm 9 utilizes whipline on ground, 9 groups of tower crane crane arm is installed, then with auxiliary
Help crane, sling one end, connect with pin shaft with tower body, while crane arm traction rope 8 being installed, and according to 9 weight of tower crane crane arm,
Length installs counter-jib counterweight 4 and counter-jib traction rope 7,
Step 8: installation trolley 10 and crampon 11；
Step 9: check that electrically, debugging, test run finishes；
Step 10: Fan Equipment installation is carried out；Tower barrel base section 20 is installed first, is matched using from liter tower crane with whipline
It closing, crampon 11 is connect with suspender belt 12 with 20 top of tower barrel base section, whipline is connect with 20 lower end of tower barrel base section,
Operation simultaneously, raising crampon 11, whipline slowly cooperates, and when tower barrel base section 20 is at plumbness, unclamps auxiliary
Tower barrel base section 20 is slowly lifted on blower foundation ring 24, is fixedly connected with high-strength bolt by the suspension hook of crane, tower crane；
Step 11: the second section of tower 19, tower third section 18 are successively installed according to same method in step 10, entire
After tower height is more than 50m, tower crane installs a support connector every 10m, is divided into the first connection from bottom to up and supports
13, the second connection support 14, third connection support 15, for connecting tower crane and the tower of installation, improve self-lifting type tower
The monolithic stability hung；
Step 12: with the raising of mounting height, tower crane when in use, passes through the jacking cylinder on tower crane jacking section 3
21 slowly jack tower body, successively increase standard section of tower crane 2, so that entire tower crane increases, while installing the connection support of tower crane
Fix it with bolt with tower；
Step 13: installation fan engine room 17 is connected using the crampon 11 of tower crane by suspender belt 12 and fan engine room 17
It connects, slowly promotes fan engine room 17, it is made to promote the top for arriving tower third section 18, it is solid with high-strength bolt and tower third section 18
Fixed connection；
Step 14: installation draught fan impeller 16 is first located in barnyard and assembles blade and wheel hub to form draught fan impeller 16, so
Afterwards, using tower crane and whipline coordinating operation, the crampon 11 of tower crane is mounted on wheel hub by suspender belt 12, whipline
It is mounted on the third blade of draught fan impeller 16 by suspender belt 12, is slowly promoted, until third blade state in a vertical shape, pine
Whipline is opened, crampon 11 continues to lift up, and it is promoted and arrives 17 position of fan engine room, be slowly aligned, fixed by high-strength bolt,
Panasonic's crampon 11 completes the installation of entire Fan Equipment.
Wherein, the component that entire work progress is related to saves 3 by tower crane section 1, standard section of tower crane 2, tower crane jacking, puts down
Weighing apparatus arm counterweight 4, tower crane tower cap section 6, counter-jib traction rope 7, crane arm traction rope 8, tower crane crane arm 9, rises tower crane counter-jib 5
Weight trolley 10, crampon 11, the connection of suspender belt 12, first the 13, second connection of support support 14, third connection support 15, blower
Impeller 16, fan engine room 17, tower third section 18, the second section of tower 19, tower barrel base section 20, jacking cylinder 21, blower coagulation
Earth foundation 22, tower crane pedestal connection frame 23 and blower foundation ring 24 form, and principle: are poured using wind driven generator base
When pre-buried self-elevating tower crane sole plate connect frame 23, then again before blower fan tower barrel installation, using whipline by self-lifting type tower
It hangs assembling to finish, the assembling for recycling self-elevating tower crane and whipline cooperation to complete blower fan tower barrel, cabin, impeller is installed.
Specifically, self-elevating tower crane is by tower crane section 1, standard section of tower crane 2, tower crane counter-jib 5, tower crane crane arm 9, top
The compositions such as oil-lifting jar 21, trolley 10, crampon 11 and tower crane connection strut in advance will when casting blower foundation
Tower crane pedestal connection frame 23 is embedded in blower concrete foundation 22, and tower crane pedestal connects frame 23 by 4 20# channel steels
It is welded, size matches with tower crane section 1, before blower fan tower barrel installation, using whipline, by self-elevating tower crane group
It loads, when assembling, tower crane section 1 is connect to the high-strength bolt of the diameter M30mm of frame 23 with pre-buried tower crane pedestal
Connection, and standard section of tower crane 2 is successively installed, tower crane jacking section 3, tower crane tower cap section 6, tower crane counter-jib 5, tower crane crane arm 9, is risen
Weight trolley 10, crampon 11 etc. are cooperated using self-elevating tower crane and whipline, blower fan tower barrel installation are carried out, with tower
Mounting height increases, self-elevating tower crane with increasing, meanwhile, tower crane with blower fan tower barrel assists first connect support 13,
Second connection support 14,15 connection of third connection support then carry out next section tower peace to improve its tower crane overall stability
The assembling installation of dress, cabin, impeller.
In summary: a kind of large-scale wind driven generator provided by the invention is suitable for coastal, mountain from tower crane construction method is risen
The installation of the large-scale wind driven generator of the various complicated environmental conditions such as area, which solve in the particular surroundings such as mountain area, beach, coastal
The problem of condition large-scale wind driven generator installation, has easy for construction, and speed of application is fast, investment reduction, the advantages that reducing cost,
Improve wind-driven generator installation effectiveness.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of large-scale wind driven generator rises tower crane construction method certainly, which comprises the following steps:
Step 1): when being poured blower concrete foundation (22), by tower crane pedestal connection frame (23) and blower foundation ring
(24) it is embedded in concrete, to install self-elevating tower crane；
Step 2): tower crane section (1) is connect by installation self-elevating tower crane base section (1) with pre-buried tower crane pedestal
Frame (23) is fixedly connected with high-strength bolt；
Step 3): installation standard section of tower crane (2) connects tower crane section (1) with high-strength bolt and standard section of tower crane (2) are fixed
It connects；
Step 4): installation tower crane jacking section (3), and jacked in tower crane and fix jacking cylinder (21) on section (3), using high-strength bolt
Standard section of tower crane (2) is jacked section (3) with tower crane to be fixedly connected；
Step 5): tower crane is jacked section (3) with high-strength bolt and tower crane tower cap section (6) is fixed and connected by installation tower crane tower cap section (6)
It connects；
Step 6): installation tower crane counter-jib (5), i.e., ground tower crane counter-jib (5) one end is sling with whipline, with pin shaft with
Tower body connection；
Step 7): installation tower crane crane arm (9) utilizes whipline on ground, tower crane crane arm (9) group is installed, then with auxiliary
Crane is helped, one end is sling, is connect with pin shaft with tower body, while crane arm traction rope (8) being installed, and according to tower crane crane arm (9)
Weight, length install counter-jib counterweight (4) and counter-jib traction rope (7),
Step 8): installation trolley (10) and crampon (11)；
Step 9): check that electrically, debugging, test run finishes；
Step 10): Fan Equipment installation is carried out；Tower barrel base section (20) are installed first, are matched using from liter tower crane with whipline
It closes, crampon (11) is connect with suspender belt (12) with tower barrel base section (20) top, whipline and tower barrel base section (20)
Lower end connection, while operation, raising crampon (11), whipline slowly cooperates, to tower barrel base section (20) at vertical configuration
When state, the suspension hook of whipline is unclamped, tower barrel base section (20) is slowly lifted on blower foundation ring (24) by tower crane, and use is high-strength
Bolt is fixedly connected；
Step 11): the second section of tower (19), tower third section (18) are successively installed according to same method in step 10), entire
After tower height is more than 50m, tower crane installs a support connector every 10m, is divided into the first connection from bottom to up and supports
(13), second support (14), third connection support (15) are connected, for connecting tower crane and the tower of installation, improved certainly
The monolithic stability of lift-type tower crane；
Step 12): with the raising of mounting height, tower crane jacks the jacking cylinder (21) on section (3) when in use, by tower crane
Tower body is slowly jacked, standard section of tower crane (2) are successively increased, so that entire tower crane increases, while the connection support of tower crane being installed
Fix it with bolt with tower；
Step 13): installation fan engine room (17) passes through suspender belt (12) and fan engine room (17) using the crampon (11) of tower crane
Connection slowly promotes fan engine room (17), so that it is promoted the top for arriving tower third section (18), with high-strength bolt and tower third
Section (18) is fixedly connected；
Step 14): installation draught fan impeller (16) is first located in barnyard and assembles blade and wheel hub to form draught fan impeller (16), so
Afterwards, using tower crane and whipline coordinating operation, the crampon (11) of tower crane is mounted on wheel hub by suspender belt (12), is assisted
Crane is mounted on the third blade of draught fan impeller (16) by suspender belt (12), is slowly promoted, until third blade is in perpendicular
Straight state unclamps whipline, and crampon (11) continues to lift up, and is promoted and arrives fan engine room (17) position, is slowly aligned, pass through
High-strength bolt is fixed, and Panasonic's crampon (11) completes the installation of entire Fan Equipment.
2. a kind of large-scale wind driven generator as described in claim 1 rises tower crane construction method certainly, which is characterized in that including by tower
Hang base section (1), standard section of tower crane (2), tower crane jacking section (3), counter-jib counterweight (4), tower crane counter-jib (5), tower crane tower cap
Save (6), counter-jib traction rope (7), crane arm traction rope (8), tower crane crane arm (9), trolley (10), crampon
(11), suspender belt (12), the first connection support (13), the second connection support (14), third connection support (15), draught fan impeller
(16), fan engine room (17), tower third section (18), the second section of tower (19), tower barrel base section (20), jacking cylinder (21),
Blower concrete foundation (22), tower crane pedestal connection frame (23) and blower foundation ring (24) composition.
3. a kind of large-scale wind driven generator as described in claim 1 rises tower crane construction method certainly, which is characterized in that described first
Connection support (13), the second connection support (14), third connection support (15) connect frame (23) with tower crane pedestal by 20#
Channel steel is welded.
4. a kind of large-scale wind driven generator as claimed in claim 3 rises tower crane construction method certainly, which is characterized in that the tower crane
The size of sole plate connection frame (23) matches with tower crane section (1), successively uses the high-strength bolt of M30mm during installation
It is attached.
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| CN110173397A (en) * | 2019-05-29 | 2019-08-27 | 中国十七冶集团有限公司 | A kind of installation method partly latent for refuting crawler crane sea large-scale wind driven generator |
| CN111891936A (en) * | 2020-06-10 | 2020-11-06 | 武汉船用机械有限责任公司 | Hoisting device for offshore wind turbine maintenance |
| CN115434355A (en) * | 2022-07-08 | 2022-12-06 | 中国十七冶集团有限公司 | Self-lifting tower crane foundation for soft foundation of coastal mudflat and tower crane installation method |
| CN116464607A (en) * | 2023-05-29 | 2023-07-21 | 河南金利重工科技有限公司 | Lifting construction method and structure of wind power generation equipment |
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| CN110043429A (en) * | 2019-05-22 | 2019-07-23 | 中国十七冶集团有限公司 | A kind of large-scale wind driven generator single blade mounting process construction method |
| CN110173397A (en) * | 2019-05-29 | 2019-08-27 | 中国十七冶集团有限公司 | A kind of installation method partly latent for refuting crawler crane sea large-scale wind driven generator |
| CN111891936A (en) * | 2020-06-10 | 2020-11-06 | 武汉船用机械有限责任公司 | Hoisting device for offshore wind turbine maintenance |
| CN111891936B (en) * | 2020-06-10 | 2023-06-27 | 武汉船用机械有限责任公司 | Lifting device for maintaining offshore wind turbine |
| CN115434355A (en) * | 2022-07-08 | 2022-12-06 | 中国十七冶集团有限公司 | Self-lifting tower crane foundation for soft foundation of coastal mudflat and tower crane installation method |
| CN116464607A (en) * | 2023-05-29 | 2023-07-21 | 河南金利重工科技有限公司 | Lifting construction method and structure of wind power generation equipment |
| CN116464607B (en) * | 2023-05-29 | 2024-02-02 | 河南金利重工科技有限公司 | Lifting construction method and structure of wind power generation equipment |
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Application publication date: 20181207 |