CN205222445U - A hoist device for wind generating set blade - Google Patents

A hoist device for wind generating set blade Download PDF

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Publication number
CN205222445U
CN205222445U CN201521089004.8U CN201521089004U CN205222445U CN 205222445 U CN205222445 U CN 205222445U CN 201521089004 U CN201521089004 U CN 201521089004U CN 205222445 U CN205222445 U CN 205222445U
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CN
China
Prior art keywords
blade
girder
hanging apparatus
suspender belt
crossbeam
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Active
Application number
CN201521089004.8U
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Chinese (zh)
Inventor
俞雪梅
张竹
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Jiangsu Goldwind Science and Technology Co Ltd
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Jiangsu Goldwind Science and Technology Co Ltd
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Priority to CN201521089004.8U priority Critical patent/CN205222445U/en
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Abstract

The embodiment of the utility model provides a hoist device for wind generating set blade, include the girder and connect respectively and be in the first hoist and mount portion and the second hoist and mount portion at girder both ends, first hoist and mount portion includes the crossbeam that sets up in girder one end, and the both ends of crossbeam are connected with first anti -skidding suspender, second hoist and mount portion is including fixing the slider at the girder other end, and the slider both ends are connected with first anti -skidding suspender. This hoist device easy operation can improve rooting -in of blades efficiency effectively, has shortened the engineering time.

Description

For the hanging apparatus of wind generator set blade
Technical field
The utility model relates to hoisting technology, particularly relates to a kind of hanging apparatus for wind generator set blade.
Background technology
At present, wind power generating set will carry out the installation of blade before lifting.Blade all need be placed with certain angle from factory state to the transportation at project scene, and by blade and impeller assembled time, need first blade sling and be again rotated into horizontality, then to install.But, because blade is suspended in the air, be difficult to control blade and make it axially rotate.In the assembled process of blade, blade is alignd with impeller and also there is difficulty, if cannot align, be easy to the bolt of damaged blade, and the maintenance cost of blade is very high.
Particularly, when needing the angle adjusting blade, the general method adopting artificial push-and-pull, makes root of blade rotate, thus by blade and impeller alignment.If the method that artificial push-and-pull makes root of blade rotate still can not make the two alignment, then need blade to put back to, adjustment suspender belt angle, lifts by crane again.In addition, because leaf quality is general all heavier, artificial push-and-pull is not only wasted time and energy, and efficiency is also very low.
Utility model content
Embodiment of the present utility model provides a kind of hanging apparatus for wind generator set blade, with cannot the problem that cannot align with impeller of axial-rotation and blade after solving the lifting of prior art Leaf.
For achieving the above object, embodiment of the present utility model provides a kind of hanging apparatus for wind generator set blade, and hanging apparatus comprises girder and is connected to the first lifting portion and the second lifting portion at girder two ends; First lifting portion is included in the crossbeam that girder one end is arranged, and the two ends of crossbeam are connected with the first anti-skidding suspender belt; Second lifting portion comprises the carriage being fixed on the girder other end, and carriage two ends are connected with the first anti-skidding suspender belt.
Alternatively, the first lifting portion also comprises two electric blocks being arranged on crossbeam two ends, and the two ends of the first anti-skidding suspender belt are connected with two electric blocks respectively.
Alternatively, carriage is double block, and the second lifting portion also comprises the hawser be set on double block, and the two ends of the two ends of hawser suspender belt anti-skidding with first are respectively connected.
Alternatively, girder is detouchable pull-off pole beam.
Alternatively, the one side of the first anti-skidding suspender belt and blade contact is provided with nonskid coating.
Alternatively, nonskid coating is formed by the polyurethane material watering pressure.
Alternatively, crossbeam is box crossbeam.
Alternatively, the first anti-skidding suspender belt is flat sling.
Alternatively, crossbeam is provided with two the first bow shackles, two second suspender belts are each passed through two the first bow shackles; Carriage is provided with two the second bow shackles, two second suspender belts are each passed through two the second bow shackles.
Alternatively, girder is also provided with movable supporting leg.
The hanging apparatus for wind generator set blade of the utility model embodiment is provided with the first anti-skidding suspender belt owing to using, and be provided with the carriage for hoisting blade root in girder one end, therefore when the operation of leaf blade hanging, the friction force between suspender belt and blade can be increased, thus make blade complete rotation like a cork.In addition, two suspender belts are lifted on the both sides of blade center of gravity respectively, by adjusting the length of two suspender belts, can adjust the position of blade center of gravity, making blade be adjusted to level attitude and aliging with impeller, effectively improve field erected time and installation effectiveness.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment.
Description of reference numerals:
10, girder; 11, movable supporting leg; 20, the first lifting portion; 21, crossbeam; 22, electric block; 211, the first bow shackle; 30, the second lifting portion; 31, carriage; 311, the second bow shackle; 32, hawser; 33, the collar; 40, the first anti-skidding suspender belt; 50, the second suspender belt.
Detailed description of the invention
Be described in detail below in conjunction with the hanging apparatus of accompanying drawing to the utility model embodiment.
As shown in Figure 1, hanging apparatus comprises girder 10 and is connected to first lifting portion 20 and the second lifting portion 30 at girder 10 two ends.
In embodiment of the present utility model, girder 10 is detachable pull-off pole girder construction, because girder is long, is not easy to transport, be set to the detachable convenience that ensure that transport, and be arranged to intensity and the stability in use that pull-off pole girder construction increases girder.
Described first lifting portion 20 is included in the crossbeam 21 that described girder 10 one end is arranged, and the two ends of described crossbeam 21 are connected with the first anti-skidding suspender belt 40;
Described second lifting portion 30 comprises the carriage 31 being fixed on girder 10 other end, and described carriage 31 two ends are connected with described first anti-skidding suspender belt 40.First anti-skidding suspender belt due to the surface of blade comparatively smooth, therefore, by using the first anti-skidding suspender belt, increase with by the friction force of blade surface lifted, thus to prevent by the blade landing lifted.
First anti-skidding suspender belt 40 can be the texture of preparative treatment on its surface when producing, and also can be skid resistant course, in order to increase the friction force of this first anti-skidding suspender belt 40.In the utility model preferred embodiment, described first anti-skidding suspender belt 40 is provided with nonskid coating preferably with the one side of blade contact, and nonskid coating is formed by the polyurethane material watering pressure.The polyurethane material watering pressure increases the friction force of the first anti-skidding suspender belt 40 capitally, increases the toughness of the first anti-skidding suspender belt 40 simultaneously, make its not easy fracture cause danger.When anti-skidding suspender belt 40 hoisting blade of use first, the one side that only the first anti-skidding suspender belt 40 need be made to scribble nonskid coating contacts with blade.
Further, the first anti-skidding suspender belt 40 can be flat sling.Use flat sling can increase its with by the area of contact of blade lifted, be conducive to increasing the friction force of itself and blade surface.
In operation, two first anti-skidding suspender belts 40 are hung root of blade and blade tip respectively from the both sides of blade center of gravity, blade is lifted, not only increases the stationarity of leaf blade hanging, also improve the safety of leaf blade hanging.
First lifting portion 20 is included in the crossbeam 21 that girder 10 one end is arranged, and the two ends of crossbeam 21 are connected with the first anti-skidding suspender belt 40.
Because blade is from the transportation of dispatching from the factory project scene, all with certain angle, when installing blade to impeller, need blade rotary could assemble with impeller to level attitude.For this reason, preferably, be also removably plugged with two electric blocks at the two ends of crossbeam 21, the two ends of the first anti-skidding suspender belt 40 are connected with two electric blocks respectively.In preferred embodiment of the present utility model, use two AC electrical cucurbits, such setting both ensure that it lightly facilitated, and in turn ensure that its hoisting speed.Certainly, can also replace, as long as can leaf weight be carried with other hoist ceiling cranes or weight-lifting equipment.
Preferably, AC electrical cucurbit is arranged to remote-controlled, makes operating personal can adjust the length of the first anti-skidding suspender belt 40 as required at any time.After blade is sling, ground operating personal can use a teleswitch and control a wherein AC electrical cucurbit single action, along with the loop chain of AC electrical cucurbit elongates or shortens, coupled first anti-skidding suspender belt 40 also can rotate with the root of moving blade, until blade rotary is to level under the effect of friction force.When needing the height adjusting root of blade, only need control two AC electrical cucurbit interlocks, elongating or shortening loop chain simultaneously.
Such as, the numbering of two AC electrical cucurbits is respectively No. 1 and No. 2, and two AC electrical cucurbits all have 1m/min and 3m/min two kinds of speed, and two AC electrical cucurbits can single action, also linkage.Remote controller is provided with " on ", D score, " stopping " and " startup " four buttons.After pressing " stopping " ammonium button, two AC electrical cucurbits all can stop action, and meanwhile, other button also cannot continue to press, and can continue to operate two electric blocks after again pressing " startup " button.Originally, two AC electrical cucurbits all move with the speed of 1m/min, when pressing " on " after button, two AC electrical cucurbits all can change quick action into, and namely two AC electrical cucurbits can be move with the speed of 3m/min.When needs make two AC electrical cucurbits change low-speed motion into, only D score button need be pressed.Meanwhile, remote controller is also provided with " east ", " south ", " west ", " north " four buttons.After pressing " east " button, No. 1 cucurbit vertical motion, after pressing " west " button, No. 1 cucurbit down maneuver, after pressing " south " button, No. 2 cucurbit vertical motions, press " north " button, No. 2 cucurbit down maneuvers.After pressing " east " and " west " button, No. 1 cucurbit interlocks up and down simultaneously, presses in " south " and " north " simultaneously, and No. 2 cucurbits interlock up and down, when needs make two alternating current cucurbit actions again, only again need press " startup " button.
Preferably, crossbeam 21 is box crossbeam, adopt the structure of box crossbeam effectively can reduce the deadweight of crossbeam 21, simultaneously owing to have employed box crossbeam, its closed thin wall section torsion stiffness is very large, and its top board general all there is larger area, can effectively resist positive hogging moment, there is good dynamic characteristic and little shrinkage distortion value.In some alternate embodiment, crossbeam 21 can be replaced by other rigidity objects, such as square steel tube etc.
Second lifting portion 30 is included in the carriage 31 that girder 10 other end is arranged, and the two ends being located at the first anti-skidding suspender belt 40 of this end are connected to the two ends of carriage 31.By arrange carriage 31 adjust adaptively by the position of blade that lifts and towards.
Particularly, carriage 31 can be double block, it is arranged with hawser 32, and the two ends of hawser 32 are connected respectively by the two ends of the collar 33 with the anti-skidding suspender belt 40 of another root first.When lifting or mobile object, double block repeatedly can change the direction of coaster pull-cord, easy to use.Hawser 32 can be galvanized steel wire rope, and it has good mechanical property, intensity is high, from heavy and light, stable working, not easily suddenly rupture, reliable operation.Galvanized steel wire rope and the collar are fixed by pricking head, by the length of adjustment bundle head also adjustable galvanized steel wire rope.In addition, the hawser that hawser 32 also can bear leaf weight by other replaced, such as ordinary steel rope.
Crossbeam 21 is provided with two the first bow shackles 211, two second suspender belts 50 are each passed through two the first bow shackles 211, carriage 31 is provided with two the second bow shackles 311, and other two second suspender belts 50 are each passed through two the second bow shackles 311.That is, the second suspender belt 50 is arranged on the two ends of girder 10, arranges the stationarity that ensure that girder 10 like this, also improves the Lifting Capacity of hanging apparatus.In the utility model embodiment, this second suspender belt 50 is special-shaped suspender belt, also can be replaced by other rigidity suspender belts or steel rope.
Girder 10 being also provided with at least two movable supporting legs 11, with when not using hanging apparatus, hanging apparatus steadily can being placed on the ground.
Hanging apparatus for wind generator set blade of the present utility model is provided with the first anti-skidding suspender belt owing to using, and be provided with the carriage for hoisting blade root in girder one end, therefore when the operation of leaf blade hanging, the friction force between suspender belt and blade can be increased, thus make blade complete rotation like a cork.In addition, be lifted on the both sides of blade center of gravity respectively by two suspender belts, by adjusting the length of two suspender belts, the position of blade center of gravity can be adjusted, making blade be adjusted to level attitude and aliging with impeller, effectively improve field erected time and installation effectiveness.
The foregoing is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.

Claims (10)

1. the hanging apparatus for wind generator set blade, it is characterized in that, described hanging apparatus comprises girder (10) and is connected to the first lifting portion (20) and the second lifting portion (30) at described girder (10) two ends;
Described first lifting portion (20) is included in the crossbeam (21) that described girder (10) one end is arranged, and the two ends of described crossbeam (21) are connected with the first anti-skidding suspender belt (40);
Described second lifting portion (30) comprises the carriage (31) being fixed on girder (10) other end, and described carriage (31) two ends are connected with described first anti-skidding suspender belt (40).
2. hanging apparatus according to claim 1, it is characterized in that, described first lifting portion (20) also comprises two electric blocks (22) being arranged on described crossbeam (21) two ends, and the two ends of described first anti-skidding suspender belt (40) are connected with two described electric blocks (22) respectively.
3. hanging apparatus according to claim 1, it is characterized in that, described carriage (31) is double block, described second lifting portion (30) also comprises the hawser (32) be set on described double block, and the two ends of described hawser (32) are connected with the two ends of described first anti-skidding suspender belt (40) respectively.
4. hanging apparatus according to claim 1, is characterized in that, described girder (10) is detouchable pull-off pole beam.
5. hanging apparatus according to claim 1, is characterized in that, described first anti-skidding suspender belt (40) is provided with nonskid coating with the one side of blade contact.
6. hanging apparatus according to claim 5, is characterized in that, described nonskid coating is formed by the polyurethane material watering pressure.
7. hanging apparatus according to claim 1, is characterized in that, described crossbeam (21) is box crossbeam.
8. hanging apparatus according to claim 1, is characterized in that, described first anti-skidding suspender belt (40) is flat sling.
9. hanging apparatus according to claim 1, it is characterized in that, described crossbeam (21) is provided with two the first bow shackles (211), two second suspender belts (50) are each passed through two described first bow shackles (211); Described carriage (31) is provided with two the second bow shackles (311), two described second suspender belts (50) are each passed through two described second bow shackles (311).
10. hanging apparatus according to claim 1, is characterized in that, described girder (10) is also provided with movable supporting leg (11).
CN201521089004.8U 2015-12-22 2015-12-22 A hoist device for wind generating set blade Active CN205222445U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521089004.8U CN205222445U (en) 2015-12-22 2015-12-22 A hoist device for wind generating set blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521089004.8U CN205222445U (en) 2015-12-22 2015-12-22 A hoist device for wind generating set blade

Publications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106044539A (en) * 2016-06-24 2016-10-26 成都世唯科技有限公司 Fan blade lifting tool support with lifting belt tightening mechanism
CN106081873A (en) * 2016-08-18 2016-11-09 国家电网公司 A kind of suspender for changing linear tension electric pole and replacing options
CN107697793A (en) * 2016-08-09 2018-02-16 广州汽车集团股份有限公司 A kind of automobile handling apparatus
CN108439183A (en) * 2018-04-05 2018-08-24 南京高传机电自动控制设备有限公司 A kind of leaf blade hanging structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106044539A (en) * 2016-06-24 2016-10-26 成都世唯科技有限公司 Fan blade lifting tool support with lifting belt tightening mechanism
CN107697793A (en) * 2016-08-09 2018-02-16 广州汽车集团股份有限公司 A kind of automobile handling apparatus
CN107697793B (en) * 2016-08-09 2019-05-07 广州汽车集团股份有限公司 A kind of automobile handling apparatus
CN106081873A (en) * 2016-08-18 2016-11-09 国家电网公司 A kind of suspender for changing linear tension electric pole and replacing options
CN106081873B (en) * 2016-08-18 2019-05-28 国家电网公司 A method of replacement linear tension electric pole
CN108439183A (en) * 2018-04-05 2018-08-24 南京高传机电自动控制设备有限公司 A kind of leaf blade hanging structure

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