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KR101880668B1 - blade zig for assembling rotor of wind generator - Google Patents

blade zig for assembling rotor of wind generator Download PDF

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Publication number
KR101880668B1
KR101880668B1 KR1020150094862A KR20150094862A KR101880668B1 KR 101880668 B1 KR101880668 B1 KR 101880668B1 KR 1020150094862 A KR1020150094862 A KR 1020150094862A KR 20150094862 A KR20150094862 A KR 20150094862A KR 101880668 B1 KR101880668 B1 KR 101880668B1
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KR
South Korea
Prior art keywords
support bar
blade
bar
support
balance weight
Prior art date
Application number
KR1020150094862A
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Korean (ko)
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KR20170004472A (en
Inventor
김병연
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김병연
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Application filed by 김병연 filed Critical 김병연
Priority to KR1020150094862A priority Critical patent/KR101880668B1/en
Publication of KR20170004472A publication Critical patent/KR20170004472A/en
Application granted granted Critical
Publication of KR101880668B1 publication Critical patent/KR101880668B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
    • 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
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Wind Motors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

The present invention relates to a blade jig for rotor assembly of a wind turbine of a new structure that can be automatically adjusted so that the blades of the wind turbine are leveled.
The blade jig for assembling a rotor of a wind power generator according to the present invention comprises a support bar 10 configured to extend in a lateral direction and a blade support member 10 extending downward from both sides of the support bar 10, A fixing cable 30 extending upward from both ends of the supporting bar 10 and connected to the crane, and a fixing cable 30 connected to the supporting bar 10 in the lateral direction And the balance bar 40 slidably supports the first support bar 13 and the second support bar 14 so that the length of the support bar 10 can be adjusted by sliding the first support bar 13 and the second support bar 14 laterally.
Therefore, the length of the support bar 10 is adjusted according to the length of the blade 1, the first and second clamps 21 and 22 are coupled to the blade 1, The blade 1 can be adjusted to keep the blade 1 horizontal by sliding the balance weight 40 laterally while the blade 1 is lifted so that the blades 1 of various lengths and shapes can be lifted and coupled to the hub And it is very easy to adjust the blade 1 to be horizontal.

Description

[0001] The present invention relates to a blade jig for assembling a rotor of a wind turbine generator,

The present invention relates to a blade jig for rotor assembly of a wind turbine of a new structure that can be automatically adjusted so that the blades of the wind turbine are leveled.

2. Description of the Related Art Generally, a wind turbine generator that generates electricity by wind is provided with a supporter fixedly installed on a bottom surface of the supporter to extend in a vertical direction, And a rotor coupled to the drive shaft of the generator and rotated by the wind.

At this time, the rotor is composed of a hub coupled to the drive shaft of the generator and a plurality of blades radially coupled to the circumferential surface of the hub.

A coupling portion is formed at the periphery of the hub to couple the base end of the blade.

The structure of such a wind turbine generator is described in detail in a plurality of prior documents including the patent document 10-2012-0001652 and the patent document 10-2012-0040747, and a detailed description thereof will be omitted.

In order to assemble the rotor of the wind turbine, the hub is fixed to a pedestal provided on the ground, and the blade is lifted using a separate crane, and the blades are coupled to the coupling part formed on the circumferential surface of the hub.

And, in order to couple the blades to the hub in this way, the crane must be used to lift the blades so that they are correctly leveled.

However, conventionally, there has been a problem that it is very cumbersome and time-consuming to adjust the blade so that the end of the cable bundled at the tip end and the base end of the blade is hooked on the crane to lift the crane upward.

Particularly, since the blades have various lengths, it is very troublesome to lift blades having various lengths by using a crane.

Therefore, there is a need for a new method to solve such a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a blade jig for assembling a rotor of a wind turbine with a new structure that can automatically adjust the blade of the wind turbine to be horizontal.

According to an aspect of the present invention, there is provided a blade jig for assembling a rotor of a wind power generator, the blade jig being coupled to a blade of a wind power generator and lifting the blade using a crane, First and second clamps 21 and 22 extending downward from both sides of the support bar 10 and coupled to a proximal end and a distal end of the blade 1, A fixed cable 30 extending upward from both ends of the support bar 10 and connected to the crane and a counterbalance 40 slidable laterally in the support bar 10, 10 includes first and second support bars 13, 14 which are slidably coupled to each other so that the first support bar 13 and the second support bar 14 are slid laterally to support bars 10) of the windshield The blade fixture is provided for assembling a rotor of the generator.

According to another aspect of the present invention, there are provided left and right distance measurement means (51, 52) provided at both ends of the support bar (10) for measuring the distance from the end of the support bar (10) A slide driving means 60 provided on the supporting bar 10 and connected to the balance weight 40 so as to slide the balance weight 40 in a lateral direction; Further comprising a control unit (70) for controlling the slide driving means (60) so that the balance weight (40) slides laterally to adjust the supporting bar (10) A blade jig for assembling a rotor of a generator is provided.

According to another aspect of the present invention, the left and right distance measuring means 51 and 52 are provided at both ends of the support bar 10 and are provided at both ends of the support bar 10, A laser distance measuring device for measuring the distance between the opposite ends of the supporting bar 10 and the bottom surface 2 by measuring the time when light is reflected from the bottom surface 2 and returning, And 52 are provided so as to irradiate light so as to be inclined downward from both ends of the support bar 10 outwardly.

The blade jig for assembling a rotor of a wind power generator according to the present invention comprises a support bar 10 configured to extend in a lateral direction and a blade support member 10 extending downward from both sides of the support bar 10, A fixing cable 30 extending upward from both ends of the supporting bar 10 and connected to the crane, and a fixing cable 30 connected to the supporting bar 10 in the lateral direction And the balance bar 40 slidably supports the first support bar 13 and the second support bar 14 so that the length of the support bar 10 can be adjusted by sliding the first support bar 13 and the second support bar 14 laterally.

Therefore, the length of the support bar 10 is adjusted according to the length of the blade 1, the first and second clamps 21 and 22 are coupled to the blade 1, The blade 1 can be adjusted to keep the blade 1 horizontal by sliding the balance weight 40 laterally while the blade 1 is lifted so that the blades 1 of various lengths and shapes can be lifted and coupled to the hub And it is very easy to adjust the blade 1 to be horizontal.

1 is a side view showing a blade jig for assembling a rotor of a wind power generator according to the present invention,
2 and 3 are reference views for explaining the operation of the blade jig for rotor assembly of a wind turbine,
4 is a side view showing a second embodiment of a blade jig for rotor assembly of a wind turbine,
5 is a circuit configuration diagram of a second embodiment of a blade jig for rotor assembly of a wind turbine,
6 is a reference view for explaining the operation of the second embodiment of the blade jig for rotor assembly of a wind turbine.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 3 show a blade jig for assembling a rotor of a wind turbine according to the present invention. The blade jig is coupled to a blade 1 of a wind power generator so that the blade 1 can be lifted using a crane. .

According to the present invention, the jig includes a support bar 10 configured to extend in the lateral direction, and a guide bar 10 extending downward from both sides of the support bar 10 and coupled to the proximal and distal ends of the blade 1 A fixed cable 30 extending upward from both ends of the supporting bar 10 and connected to the crane and a supporting cable 10 slidable laterally in the supporting bar 10, And a balance weight 40 provided thereon.

The supporting bar 10 is composed of first and second supporting bars 13 and 14 which are slidably coupled to each other. As shown in FIG. 2, the first and second supporting bars 13 and 14, So that the length thereof can be adjusted.

The first and second support bars 13 and 14 are formed in the form of a metal tube extending in the lateral direction. The second support bar 14 is formed on the inner side of the first support bar 13 Respectively.

At this time, the first and second support bars 13 and 14 are provided with unillustrated locking devices so that the first and second support bars 13 and 14 are slid laterally so that the length of the support bar 10 The first and second support bars 13 and 14 can be fixed so as not to be slid by using the locking device.

The first support bar 13 and the second support bar 13 are provided at their outer sides with a fixing ring 11 to which the fixing cable 30 is coupled. And a guide rail 12 slidably engaged with the guide rail 40 extends laterally.

The first and second clamps 21 and 22 are provided to extend downward from the outer ends of the first and second support bars 13 and 14 so that the proximal end portion of the blade 1 and the outer circumferential portion of the intermediate portion Respectively.

The fixing cable 30 is composed of a pair of right and left sides and has a lower end fixed to the fixing ring 11 and a ring 31 formed at an upper end thereof so that the ring 31 can be hooked on the hook of the crane. .

The balance weight 40 is made of a heavy metal material and is laterally slidably coupled to the guide rail 12 of the support bar 10. The balance weight 40 is provided with a fixing means Is slid sideways along the guide rails 12 and is then fixed so that the balance weight 40 does not move using the fixing means.

Therefore, as shown in FIG. 3, the first and second support bars 13 and 14 are laterally slid to adjust the length of the support bar 1 to match the length of the blade 1 to be moved The first and second clamps 21 and 22 are connected to the blade 1 in a state where the fixed cable 30 is connected to the crane and the jig is lifted by the crane to the upper side of the blade 1, The jig can be fixed to the blade (1) by coupling the base end portion and the intermediate portion outer side surface.

When the jig is lifted upward by using the crane, the blade 1 is raised upward with the jig. At this time, when the blade 1 is not horizontal and is inclined to one side, for example, 3, when the support bar 10 and the blade 1 are tilted to the left, the worker moves the balance weight 40 in the direction opposite to the direction in which the blade 1 is tilted downward, that is, The blade 1 is leveled by the weight of the balance weight 40 as shown by the solid line and when the blade 1 is horizontal as described above, The balance weight 40 can be fixed so as not to move.

The blade jig for assembling the rotor of the wind turbine configured as described above includes a support bar 10 configured to extend in the lateral direction and a blade support member 10 extending downward from both sides of the support bar 10, A fixed cable 30 extending upward from both ends of the support bar 10 and connected to a crane, and a second cable 21 connected to the support bar 10 in a lateral direction And a balance weight 40 slidably provided on the support bar 10 so that the length of the support bar 10 can be adjusted by sliding the first support bar 13 and the second support bar 14 laterally.

Therefore, the length of the support bar 10 is adjusted according to the length of the blade 1, the first and second clamps 21 and 22 are coupled to the blade 1, The blade 1 can be adjusted to keep the blade 1 horizontal by sliding the balance weight 40 laterally while the blade 1 is lifted so that the blades 1 of various lengths and shapes can be lifted and coupled to the hub And it is very easy to adjust the blade 1 to be horizontal.

4 to 6 illustrate another embodiment according to the present invention. At both ends of the support bar 10, left and right distance measurement means (not shown) for measuring the distance from the end of the support bar 10 to the bottom surface 2 The support bar 10 is provided with a slide driving means 60 connected to the balance weight 40 to slide the balance weight 40 in the lateral direction, The means (51, 52) is connected to a control unit (70) which receives the signals of the left and right distance measuring means (51, 52) and controls the slide driving means (60).

The support bracket 10 is provided at its both ends with support brackets 21 extending to the lower side of the blade 1 so as not to interfere with the blades 1 coupled to the first and second clamps 21 and 22 13 are provided.

The left and right distance measuring means 51 and 52 are disposed downwardly on the support bracket 13 so as to measure the time that the illuminated light is reflected from the bottom surface 2 after the light is irradiated downward, A laser distance meter for measuring the distance between the both ends of the support bar 10 and the bottom surface 2 is used.

Such a laser measuring instrument is generally used for precise distance measurement on a construction site, and a detailed description thereof will be omitted.

At this time, the left and right distance measuring means 51 and 52 are provided to irradiate light downward from the lower end of the support bracket 13 so as to be inclined downward.

4, the left and right distance measuring means 51 and 52 are disposed in a vertical direction extending downward from the lower end of the support bracket 13 in a state in which the support wave 10 is kept horizontal, Is arranged outside by an angle (?) Set in advance as compared with the extension line (h).

When the left and right distance measuring means 51 and 52 are inclined outwardly as described above, the support bar 10 is positioned at one side, for example, as shown in FIG. 6, The distance L1 to the floor measured by the left distance measuring means 51 is gradually reduced and the distance L2 to the floor measured by the right distance measuring means 52 is rapidly increased.

Therefore, by using the distance values L1 and L2 to the floor 2 measured by the left and right distance measuring means 51 and 52, it is possible to quickly and accurately determine to which direction the supporting bar 10 is tilted Can be measured.

The slide driving means 60 includes pulleys 61 provided at both ends of the supporting bar 10 and a belt 62 coupled to the circumferential surface of the pulley 61 and having an intermediate portion fixed to the balance weight 40, And a drive motor 63 connected to the pulley 61 to rotate the pulley 61 in the forward and reverse directions. When the pulley 61 is rotated in the forward and reverse directions using the drive motor 63, So that the balance weight 40 is slid in the left-right direction while the pulleys 62 are circulated along the peripheral surface of the pulley 61.

The control unit 70 receives signals from the left and right distance measurement means 51 and 52 to monitor whether the support bar 10 is horizontal and, when the support bar 10 is tilted to one side, The control means controls the driving means 60 so that the balance weight 40 is slid in the left and right direction in the direction opposite to the direction in which the support bars 10 are tilted so that the support bars 10 are kept horizontal.

When the support bar 10 is tilted to one side, the blade jig for assembling the rotor of the wind turbine thus constructed senses this through the left and right distance measuring means 51 and 52 and then the slide driving means 60 So that the balance bar 40 is slid in the left and right direction to control the support bar 10 and the blade 1 to be horizontal.

Therefore, unlike the first embodiment described above in which the worker must slide the balance weight 40 in the lateral direction, by automatically allowing the support bar 10 and the blade 1 to keep horizontal, There are advantages.

Particularly, the left and right distance measuring means 51 and 52 use a laser distance measuring instrument provided to irradiate light to be slanted downward from both ends of the support bar 10 outwardly, so that the distance between the support bar 10 and the blade 1 ) Is tilted to one side, there is an advantage that it can be accurately measured.

That is, in order to sense that the support bar 10 or the blade 1 is tilted to one side, it is common to measure the direction of gravity using an acceleration sensor. In this case, An error may occur that the supporting bar 10 or the blade 1 is tilted even when the supporting bar 10 or the blade 1 is not tilted by the lateral acceleration generated when the blade 1 is moved in the direction of the arrow.

However, in the present invention, since the support bar 10 and the blade 1 are tilted in the lateral direction by using the left and right distance measuring means 51 and 52 disposed downwardly inclined outwardly, There is an advantage that it is possible to accurately detect whether the support bar 10 and the blade 1 are correctly leveled regardless of the movement of the blade 1 and the position of the blade 1. [

10. Support bar 21. 1st clamp
22. Secondary clamp 30. Fixed cable
40. Balance 51, 52. Left and right distance measuring means
60. Slide drive means 70. Control unit

Claims (3)

A blade jig for assembling a rotor of a wind power generator, which is coupled to a blade (1) of a wind power generator so as to lift the blade (1) using a crane,
A support bar (10) configured to extend in a lateral direction;
First and second clamps 21 and 22 extending downward from both sides of the support bar 10 and coupled to the proximal and distal ends of the blade 1;
A fixed cable 30 extending upward from both ends of the support bar 10 and connected to the crane;
And a counterweight (40) slidably mounted on the support bar (10), wherein the support bar (10) comprises first and second support bars (13, 14) slidably engaged with each other;
The length of the support bar 10 is adjusted by sliding the first support bar 13 and the second support bar 14 laterally,
Left and right distance measurement means (51, 52) provided at both ends of the support bar (10) for measuring the distance from the end of the support bar (10) to the floor surface (2);
A slide driving means 60 provided on the support bar 10 and connected to the balance weight 40 to slide the balance weight 40 in a lateral direction;
The control means controls the slide driving means 60 so as to slide the balance weight 40 in the lateral direction to adjust the support bar 10 to be horizontal And a control unit (70)
The left and right distance measuring means 51 and 52 are provided at both ends of the supporting bar 10 and are provided at both ends of the supporting bar 10 so that the light irradiated downward is irradiated to the bottom surface 2 And measuring a returning time of the support bar 10 to measure the distance between the both ends of the support bar 10 and the bottom surface 2,
Wherein the left and right distance measuring means (51, 52) are arranged to irradiate light so as to be inclined downward from both ends of the support bar (10) outwardly. delete delete
KR1020150094862A 2015-07-02 2015-07-02 blade zig for assembling rotor of wind generator KR101880668B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150094862A KR101880668B1 (en) 2015-07-02 2015-07-02 blade zig for assembling rotor of wind generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150094862A KR101880668B1 (en) 2015-07-02 2015-07-02 blade zig for assembling rotor of wind generator

Publications (2)

Publication Number Publication Date
KR20170004472A KR20170004472A (en) 2017-01-11
KR101880668B1 true KR101880668B1 (en) 2018-07-20

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102051561B1 (en) 2018-04-11 2019-12-03 엄재광 Rotor rotation device of wind turbine for assembling blade

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101334339B1 (en) * 2012-06-19 2013-11-28 삼성중공업 주식회사 Blade gripping apparatus for wind turbine
KR101338407B1 (en) * 2013-08-09 2013-12-06 임영택 A shifting device of wind turbine blade
KR101368675B1 (en) * 2013-01-25 2014-03-06 삼성중공업 주식회사 Apparatus for maintenance of blade used for wind turbine
KR101419029B1 (en) * 2013-11-15 2014-08-13 동경중공업(주) Hanger for crane
KR20150066713A (en) * 2013-12-09 2015-06-17 주식회사 포스코 pick-up crane

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101334339B1 (en) * 2012-06-19 2013-11-28 삼성중공업 주식회사 Blade gripping apparatus for wind turbine
KR101368675B1 (en) * 2013-01-25 2014-03-06 삼성중공업 주식회사 Apparatus for maintenance of blade used for wind turbine
KR101338407B1 (en) * 2013-08-09 2013-12-06 임영택 A shifting device of wind turbine blade
KR101419029B1 (en) * 2013-11-15 2014-08-13 동경중공업(주) Hanger for crane
KR20150066713A (en) * 2013-12-09 2015-06-17 주식회사 포스코 pick-up crane

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