CN110902565A - Fan blade hoisting device for offshore wind power generation - Google Patents
Fan blade hoisting device for offshore wind power generation Download PDFInfo
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- CN110902565A CN110902565A CN201911104509.XA CN201911104509A CN110902565A CN 110902565 A CN110902565 A CN 110902565A CN 201911104509 A CN201911104509 A CN 201911104509A CN 110902565 A CN110902565 A CN 110902565A
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- fixedly connected
- frame
- mounting groove
- wind power
- power generation
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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
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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
- B66C23/60—Derricks
Abstract
The invention discloses a fan blade lifting device for offshore wind power generation, which comprises a base, a lifting frame and a support frame, wherein the top of the base is fixedly connected with a fixed block, the bottom of the lifting frame is fixedly connected with the right side of the top of the fixed block, and the bottom of the support frame is fixedly connected with the left side of the top of the fixed block. This flabellum hoisting accessory for offshore wind power generation, top fixedly connected with crossbearer through lifting frame right side, and the crossbearer openly all is connected with the mounting bracket with the equal fixedly connected with in left side at the back, first mounting groove has all been seted up to the inside of two mounting brackets, utilize the mounting bracket that the crossbearer both sides set up, and the inside of mounting bracket both sides all is provided with first rolling wheel, the first stay cord through two first rolling wheel surface settings can guarantee hoisting accessory both sides's stability around when lifting by crane the flabellum, avoid hanging and rock around the flabellum in the air appears, lifting stability is better.
Description
Technical Field
The invention relates to the technical field of offshore wind power generation, in particular to a fan blade lifting device for offshore wind power generation.
Background
Wind power generation means that kinetic energy of wind is converted into electric energy, the kinetic energy of wind is converted into mechanical kinetic energy, and then the mechanical energy is converted into electric kinetic energy, the principle of wind power generation is that wind power drives windmill blades to rotate, the rotating speed is increased through a speed increaser to promote a generator to generate power, according to the current windmill technology, the breeze speed of about three meters per second, namely the breeze degree, can start to generate power, the wind power generation forms a hot tide in the world, since wind power generation does not require the use of fuel, and does not produce radiation or air pollution, devices required for wind power generation, called wind turbine generators, the wind generating set can be divided into three parts of a wind wheel (comprising a tail rudder), a generator and a tower barrel, a large wind power station is basically not provided with the tail rudder, and the tail rudder is generally only provided for a small wind power station (comprising a household wind power station).
At present to the hoisting accessory that wind power generation flabellum used, because the flabellum is bulky, when carrying out the flabellum and lift by crane, hang the flabellum in the air and take place to rock easily to consider the wind-force among the operational environment, the flabellum of rocking not only brings not little trouble to the operation of lifting by crane of flabellum easily, causes the damage to the flabellum simultaneously easily, and practical function is relatively poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fan blade lifting device for offshore wind power generation, which solves the problems that a swinging fan blade is easy to bring about not only small troubles to the lifting operation, but also easily damage the fan blade and has a poor practical effect.
In order to achieve the purpose, the invention is realized by the following technical scheme: a fan blade lifting device for offshore wind power generation comprises a machine base, a lifting frame and a supporting frame, wherein the top of the machine base is fixedly connected with a fixed block, the bottom of the lifting frame is fixedly connected with the right side of the top of the fixed block, the bottom of the supporting frame is fixedly connected with the left side of the top of the fixed block, the top of the right side of the lifting frame is fixedly connected with a cross frame, mounting frames are fixedly connected with the front side and the left side of the back side of the cross frame respectively, a first mounting groove is formed in each of the two mounting frames, a first winding wheel is rotatably connected in each of the first mounting grooves, first rotating bearings are fixedly connected to the two sides of the inner wall of each first mounting groove, two ends of each first winding wheel are respectively fixedly connected with the inner parts of the two first rotating bearings, a second mounting groove is formed in each of the mounting frame, and a first, the winding device is characterized in that one end of an output shaft of the first power motor is fixedly connected with the inside of one end of a first winding wheel, a first pull rope is arranged on the surface of the first winding wheel, fixing plates are fixedly connected to the front side and the back side of the right side of the lifting frame, a movable frame is connected between one opposite sides of the two fixing plates in a sliding mode, a third mounting groove is formed in the movable frame, a second winding wheel is connected to the inside of the third mounting groove in a rotating mode, second rotating bearings are fixedly connected to the two sides of the inner wall of the third mounting groove, the two ends of the second winding wheel are fixedly connected with the inside of the two second rotating bearings respectively, and a second pull rope is arranged on the surface of the second winding wheel.
Preferably, a fourth mounting groove is formed in the movable frame, a second power motor is fixedly connected to the bottom of the inner wall of the fourth mounting groove, and one end of an output shaft of the second power motor is fixedly connected with the inside of one end of a second winding wheel.
Preferably, a movable groove is formed in the fixed plate, a linear rail is fixedly connected to one side of the inner wall of the movable groove, a linear motor is arranged on the surface of the linear rail, a connecting plate is fixedly connected to one side of the linear motor, and one side of the connecting plate is fixedly connected with one side of the movable frame through a fixing bolt.
Preferably, the front and the back of the inside of the cross frame are both fixedly connected with third rotating bearings, a first pulley is rotatably connected between the opposite sides of the two third rotating bearings, and a steel cable is arranged on the surface of the first pulley.
Preferably, the bottom end of the steel cable is fixedly connected with a fixing frame, the surface of the steel cable is fixedly connected with a pulling block at the top of the fixing frame, and the inside of the pulling block is fixedly connected with one end of the first pulling rope and one end of the second pulling rope respectively.
Preferably, the top of the lifting frame is rotatably connected with a second pulley, the top of the support frame is rotatably connected with a third pulley, the left side of the top of the machine base is fixedly connected with a fixed winding machine, and one end of the steel cable sequentially passes through the first pulley, the second pulley and the third pulley and is fixedly connected with the inside of the fixed winding machine.
Advantageous effects
The invention provides a fan blade lifting device for offshore wind power generation. Compared with the prior art, the method has the following beneficial effects:
(1) the blade hoisting device for offshore wind power generation is characterized in that a cross frame is fixedly connected to the top of the right side of a hoisting frame, mounting frames are fixedly connected to the left sides of the front side and the back side of the cross frame, first mounting grooves are formed in the two mounting frames, first winding wheels are rotatably connected to the inside of the first mounting grooves, first rotating bearings are fixedly connected to the two sides of the inner wall of each first mounting groove, two ends of each first winding wheel are fixedly connected with the inside of the two first rotating bearings respectively, a second mounting groove is formed in the mounting frame, a first power motor is fixedly connected to the bottom of the inner wall of each second mounting groove, one end of an output shaft of the first power motor is fixedly connected with the inside of one end of each first winding wheel, first pull ropes are arranged on the surface of each first winding wheel, the mounting frames arranged on the two sides of the cross frame are utilized, and the first winding wheels are arranged, the first pull ropes arranged on the surfaces of the two first winding wheels can ensure the stability of the front side and the rear side of the hoisting device when the fan blades are hoisted, the suspension of the fan blades in the air is avoided, the front side and the rear side of the fan blades are rocked, and the hoisting stability is better.
(2) The blade hoisting device for offshore wind power generation is characterized in that fixed plates are fixedly connected with the front side and the back side of the right side of the hoisting frame, a movable frame is connected between the opposite sides of the two fixed plates in a sliding manner, a third installation groove is formed in the movable frame, a second winding wheel is rotatably connected in the third installation groove, second rotating bearings are fixedly connected with the two sides of the inner wall of the third installation groove, the two ends of the second winding wheel are fixedly connected with the interiors of the two second rotating bearings respectively, a second pull rope is arranged on the surface of the second winding wheel, the movable frame arranged on one side of the hoisting frame is utilized, the second winding wheel is arranged in the movable frame, the second pull rope arranged on the surface of the second winding wheel can ensure the stability of the left side and the right side of the hoisting device when the blades are hoisted, and the left-right shaking of the blades suspended in the air is avoided, the lifting stability is better.
(3) This flabellum hoisting accessory for offshore wind power generation, bottom fixedly connected with mount through the cable wire, the cable wire surface just is located the top fixedly connected with of mount and draws the piece, and draw the inside of piece respectively with the one end fixed connection of first stay cord and second stay cord, the top of lifting frame is rotated and is connected with the second pulley, and the top of support frame is rotated and is connected with the third pulley, the fixed rolling machine of left side fixedly connected with at frame top, and the one end of cable wire passes first pulley in proper order, second pulley and third pulley and with the inside fixed connection of fixed rolling machine, utilize fixed rolling machine and the first pulley of installing on the frame, second pulley and third pulley can be stable lift by crane the operation to the flabellum, it is very convenient to operate.
Drawings
FIG. 1 is a front view of the structure of the lifting device of the present invention;
FIG. 2 is a side view of the cross-frame structure of the present invention;
FIG. 3 is a top view of the internal structure of the mount of the present invention;
fig. 4 is a side view of the internal structure of the movable frame of the present invention.
In the figure: 1-machine base, 2-lifting frame, 3-supporting frame, 4-fixed block, 5-cross frame, 6-mounting frame, 7-first mounting groove, 8-first winding wheel, 9-first rotating bearing, 10-second mounting groove, 11-first power motor, 12-first pull rope, 13-fixed plate, 14-movable frame, 15-third mounting groove, 16-second winding wheel, 17-second rotating bearing, 18-second pull rope, 19-fourth mounting groove, 20-second power motor, 21-movable groove, 22-linear track, 23-linear motor, 24-connecting plate, 25-third rotating bearing, 26-first pulley, 27-steel cable, 28-fixing frame, 29-pulling block, 30-second pulley, 31-third pulley and 32-fixed winder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a fan blade lifting device for offshore wind power generation comprises a machine base 1, a lifting frame 2 and a support frame 3, wherein the top of the lifting frame 2 is rotatably connected with a second pulley 30, the top of the support frame 3 is rotatably connected with a third pulley 31, the left side of the top of the machine base 1 is fixedly connected with a fixed winding machine 32, one end of a steel cable 27 sequentially passes through the first pulley 26, the second pulley 30 and the third pulley 31 and is fixedly connected with the inside of the fixed winding machine 32, the top of the machine base 1 is fixedly connected with a fixed block 4, the bottom of the lifting frame 2 is fixedly connected with the right side of the top of the fixed block 4, the bottom of the support frame 3 is fixedly connected with the left side of the top of the fixed block 4, the top of the right side of the lifting frame 2 is fixedly connected with a cross frame 5, the front side and the back side of the inside of the cross frame 5 are fixedly connected with third rotating bearings 25, the surface of the first pulley 26 is provided with a steel cable 27, the bottom end of the steel cable 27 is fixedly connected with a fixing frame 28, the surface of the steel cable 27 and the top part of the fixing frame 28 are fixedly connected with a pulling block 29, the interior of the pulling block 29 is respectively fixedly connected with one end of a first pulling rope 12 and one end of a second pulling rope 18, the left sides of the front surface and the back surface of the cross frame 5 are respectively fixedly connected with an installation frame 6, the interior of the two installation frames 6 are respectively provided with a first installation groove 7, the interior of the first installation groove 7 is rotatably connected with a first rolling wheel 8, both sides of the inner wall of the first installation groove 7 are respectively fixedly connected with a first rotating bearing 9, both ends of the first rolling wheel 8 are respectively fixedly connected with the interior of the two first rotating bearings 9, the interior of the installation frame 6 is provided with a second power installation groove 10, the bottom of the inner wall of the second installation groove 10 is fixedly connected with a first power motor, the surface of the first winding wheel 8 is provided with a first pull rope 12, the mounting frames 6 arranged at two sides of the cross frame 5 are utilized, the first winding wheels 8 are arranged in the two sides of the mounting frames 6, the stability of the front side and the rear side of the hoisting device when hoisting the fan blade can be ensured through the first pull ropes 12 arranged at the surfaces of the two first winding wheels 8, the fan blade suspended in the air is prevented from shaking forwards and backwards, the hoisting stability is better, the front side and the back side at the right side of the hoisting frame 2 are fixedly connected with a fixed plate 13, a movable groove 21 is arranged in the fixed plate 13, one side of the inner wall of the movable groove 21 is fixedly connected with a linear rail 22, the surface of the linear rail 22 is provided with a linear motor 23, one side of the linear motor 23 is fixedly connected with a connecting plate 24, one side of the connecting plate 24 is fixedly connected with one side of the movable frame 14 through, a fourth mounting groove 19 is formed in the movable frame 14, a second power motor 20 is fixedly connected to the bottom of the inner wall of the fourth mounting groove 19, one end of an output shaft of the second power motor 20 is fixedly connected to the inside of one end of a second winding wheel 16, a third mounting groove 15 is formed in the movable frame 14, the inside of the third mounting groove 15 is rotatably connected to the second winding wheel 16, second rotating bearings 17 are fixedly connected to both sides of the inner wall of the third mounting groove 15, both ends of the second winding wheel 16 are respectively fixedly connected to the insides of the two second rotating bearings 17, a second pull rope 18 is arranged on the surface of the second winding wheel 16, the movable frame 14 arranged on one side of the lifting frame 2 is utilized, the second winding wheel 16 is arranged in the movable frame 14, and the stability of the left side and the right side of the lifting device can be ensured through the second pull rope 18 arranged on the surface of the second winding wheel 16 when the lifting device lifts the fan blades, the left-right shaking of the fan blade suspended in the air is avoided, the lifting stability is better, and the content which is not described in detail in the specification belongs to the prior art which is known by the technical personnel in the field.
When the fan blade hoisting device is used, when the fan blade hoisting operation is carried out, firstly, the fixed frame 28 is used for fixing the spindle position of the fan blade, the fixed winding machine 32 is controlled by a controller of a control room, the fixed winding machine 32 winds back the steel cable 27, when the fan blade is suspended, the second winding wheel 16 in the movable frame 14 winds back the second pull rope 18 under the action of the second power motor 20, so that the steel cable 27 is tensioned leftwards, the left-right shaking of the steel cable 27 is avoided, the fan continuously moves upwards under the drive of the steel cable 27, meanwhile, the movable frame 14 and the pull block 29 keep synchronous upward movement under the action of the two linear motors 23, in addition, the first winding wheels 8 arranged in the two mounting frames 6 are used for driving the first winding wheels 8 to wind back the first pull rope 12 by utilizing the output shaft of the first power motor 11, so that the two first pull ropes 12 respectively tension the front and the back of the pull block 29, avoid cable 27 to appear rocking from beginning to end, guarantee the stability of flabellum at the in-process of lifting by crane.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a flabellum hoisting accessory for offshore wind power generation, includes frame (1), plays gallows (2) and support frame (3), the top fixedly connected with fixed block (4) of frame (1), play the right side fixed connection at the bottom of gallows (2) and fixed block (4) top to the bottom of support frame (3) and the left side fixed connection at fixed block (4) top, its characterized in that: the top of the right side of the lifting frame (2) is fixedly connected with a transverse frame (5), the left sides of the front side and the back side of the transverse frame (5) are fixedly connected with mounting frames (6), two first mounting grooves (7) are formed in the mounting frames (6), a first winding wheel (8) is rotatably connected to the inside of each first mounting groove (7), first rotating bearings (9) are fixedly connected to the two sides of the inner wall of each first mounting groove (7), the two ends of each first winding wheel (8) are respectively fixedly connected with the insides of the two first rotating bearings (9), a second mounting groove (10) is formed in the mounting frame (6), a first power motor (11) is fixedly connected to the bottom of the inner wall of each second mounting groove (10), one end of an output shaft of each first power motor (11) is fixedly connected with the inside of one end of each first winding wheel (8), the surface of first rolling wheel (8) is provided with first stay cord (12), play positive and the equal fixedly connected with fixed plate (13) in back on gallows (2) right side to sliding connection has adjustable shelf (14) between the relative one side of two fixed plate (13), third mounting groove (15) have been seted up to the inside of adjustable shelf (14) to the inside rotation of third mounting groove (15) is connected with second rolling wheel (16), the equal fixedly connected with second rolling bearing (17) in both sides of third mounting groove (15) inner wall, and the both ends of second rolling wheel (16) respectively with the inside fixed connection of two second rolling bearing (17), the surface of second rolling wheel (16) is provided with second stay cord (18).
2. The fan blade lifting device for offshore wind power generation according to claim 1, wherein: a fourth mounting groove (19) is formed in the movable frame (14), a second power motor (20) is fixedly connected to the bottom of the inner wall of the fourth mounting groove (19), and one end of an output shaft of the second power motor (20) is fixedly connected with the inner portion of one end of a second winding wheel (16).
3. The fan blade lifting device for offshore wind power generation according to claim 1, wherein: activity groove (21) have been seted up to the inside of fixed plate (13) to one side fixedly connected with linear rail (22) of activity groove (21) inner wall, the surface of linear rail (22) is provided with linear electric motor (23), and one side fixedly connected with connecting plate (24) of linear electric motor (23), one side of connecting plate (24) is passed through fixing bolt fixed connection with one side of adjustable shelf (14).
4. The fan blade lifting device for offshore wind power generation according to claim 1, wherein: the front and the back of the inside of the transverse frame (5) are fixedly connected with third rotating bearings (25), a first pulley (26) is rotatably connected between the opposite sides of the two third rotating bearings (25), and a steel cable (27) is arranged on the surface of the first pulley (26).
5. The fan blade lifting device for offshore wind power generation according to claim 4, wherein: the bottom end of the steel cable (27) is fixedly connected with a fixing frame (28), the surface of the steel cable (27) is fixedly connected with a pulling block (29) at the top of the fixing frame (28), and the interior of the pulling block (29) is fixedly connected with one end of the first pull rope (12) and one end of the second pull rope (18) respectively.
6. The fan blade lifting device for offshore wind power generation according to claim 4, wherein: the top of the lifting frame (2) is rotatably connected with a second pulley (30), the top of the support frame (3) is rotatably connected with a third pulley (31), the left side of the top of the machine base (1) is fixedly connected with a fixed winding machine (32), and one end of the steel cable (27) sequentially penetrates through the first pulley (26), the second pulley (30) and the third pulley (31) and is fixedly connected with the inner part of the fixed winding machine (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104509.XA CN110902565B (en) | 2019-11-13 | 2019-11-13 | Fan blade hoisting device for offshore wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104509.XA CN110902565B (en) | 2019-11-13 | 2019-11-13 | Fan blade hoisting device for offshore wind power generation |
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| Publication Number | Publication Date |
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| CN110902565A true CN110902565A (en) | 2020-03-24 |
| CN110902565B CN110902565B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911104509.XA Active CN110902565B (en) | 2019-11-13 | 2019-11-13 | Fan blade hoisting device for offshore wind power generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027909A (en) * | 2020-08-25 | 2020-12-04 | 广东工业大学 | Hoisting control method and device for preventing rotation and swinging of offshore giant blade |
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| US20160002010A1 (en) * | 2014-07-01 | 2016-01-07 | Marvin M. May | Stabilization and control of a crane load |
| CN108439210A (en) * | 2018-05-02 | 2018-08-24 | 燕山大学 | A kind of pull-down crane anti-shaking device |
| CN108946511A (en) * | 2018-07-03 | 2018-12-07 | 柳州欧卡机器人有限公司 | A kind of mold hanging device that compact stabilized is good |
| CN208413702U (en) * | 2018-07-19 | 2019-01-22 | 赵祥 | A kind of boom hoisting of building construction |
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2019
- 2019-11-13 CN CN201911104509.XA patent/CN110902565B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160002010A1 (en) * | 2014-07-01 | 2016-01-07 | Marvin M. May | Stabilization and control of a crane load |
| CN108439210A (en) * | 2018-05-02 | 2018-08-24 | 燕山大学 | A kind of pull-down crane anti-shaking device |
| CN108946511A (en) * | 2018-07-03 | 2018-12-07 | 柳州欧卡机器人有限公司 | A kind of mold hanging device that compact stabilized is good |
| CN208413702U (en) * | 2018-07-19 | 2019-01-22 | 赵祥 | A kind of boom hoisting of building construction |
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| CN112027909A (en) * | 2020-08-25 | 2020-12-04 | 广东工业大学 | Hoisting control method and device for preventing rotation and swinging of offshore giant blade |
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| CN110902565B (en) | 2021-11-19 |
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Effective date of registration: 20211028 Address after: 226400 east side of Haidi road and south side of Beihai dike in rudongyangkou Port Economic Development Zone, Nantong City, Jiangsu Province Applicant after: CGN RUDONG OFFSHORE WIND POWER GENERATION CO.,LTD. Address before: 518000 Shuitou village, Dapeng Town, Longgang District, Shenzhen City, Guangdong Province Applicant before: Wu Tiansong |
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