KR20110072560A - Crane for upper part block package installation of wind power plant structure - Google Patents

Crane for upper part block package installation of wind power plant structure Download PDF

Info

Publication number
KR20110072560A
KR20110072560A KR1020090129542A KR20090129542A KR20110072560A KR 20110072560 A KR20110072560 A KR 20110072560A KR 1020090129542 A KR1020090129542 A KR 1020090129542A KR 20090129542 A KR20090129542 A KR 20090129542A KR 20110072560 A KR20110072560 A KR 20110072560A
Authority
KR
South Korea
Prior art keywords
upper structure
crane
lower guide
wind turbine
lifting
Prior art date
Application number
KR1020090129542A
Other languages
Korean (ko)
Inventor
남이현
이선식
이영경
Original Assignee
현대중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020090129542A priority Critical patent/KR20110072560A/en
Publication of KR20110072560A publication Critical patent/KR20110072560A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
    • 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
    • B66C23/16—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The present invention relates to a crane for collectively installing the upper structure of the wind turbine, and in particular, in the present invention, even if the length of the wind turbine upper structure is longer than the height of the crane boom, it is possible to lift the upper structure upright and securely, so that the batch for the upper structure It can be installed, along with simplification of work and shortening of installation time, as well as manufacturing cost and construction cost of upper structure, and it is mostly converted to ground work, thus reducing the incidence of safety accidents caused by falling or falling. It would be.

Description

Crane for Upper Part Block Package Installation of Wind Power Plant Structure

The present invention relates to a crane for collectively installing the upper structure of the wind turbine, and more particularly, to improve the crane to a new type, even if the length of the wind turbine upper structure is longer than the height of the crane boom to lift the upper structure safely vertically By making it possible, the installation of the upper structure is possible.

Looking at the installation method of the upper structure of a typical wind turbine, if the height of the upper structure is higher than the height of the crane boom, a conventional crane can not lift the upper structure to stand vertically.

Accordingly, if the height level of the crane is further raised to solve the above limitations, it becomes a condition for raising the upper structure vertically. However, it is difficult to bear the load of the upper structure due to the weakness of the support fixing of the crane, there is a risk of lifting the upper structure as it is and standing vertically.

Therefore, in order to alleviate the risks caused by the load and the flow of the upper structure, the upper structure is manufactured individually by segment of length unit, and the crane is installed vertically by lifting each tower part manufactured by segment one by one. The installation of the superstructure is completed by mounting the nacelle on the final top of the superstructure.

By the way, when installing the upper structure of the wind turbine, it is necessary to lift the tower parts individually produced for each segment, there is a hassle that the aerial work is repeatedly performed, and the work time is increased with the increase of the workload, and consequently shorten the installation period. There was no problem.

Due to the above problems, it is difficult to reduce the manufacturing cost and installation cost of the upper structure, and the fall rate of the worker's fall or the fall of the work tool due to the connection work between the tower parts, which are individually manufactured by segments from the ground, is performed. Is also high.

The present invention was developed in order to solve the problems of the prior art as described above, even if the height of the wind turbine upper structure is higher than the height of the crane boom by allowing the upper structure to stand vertically safely hear the collective for the upper structure It aims to make it possible to install, to simplify the work and shorten the installation period, to reduce the manufacturing cost and construction cost of the upper structure, and to reduce the installation cost as much as possible.

In order to achieve the object of the present invention as described above, in the crane cabin structure provided with a crane boom, the lower hydro jack provided with a rod is fixed in a downwardly inclined state, and the rod is spaced apart from the lower hydro jack. Lower guide means for holding the lower portion of the upper structure in connection with the rotatably connected to the crane cabin structure, one end is connected, the upper hydro jack with a rod is inclined upward in the upper portion of the crane boom The upper end spaced from the upper hydro jack is rotatably connected to the crane boom of the upper guide means for holding the upper part of the upper structure in a state of being connected to the rod; The lifting line passing through the crane boom is coupled to surround the lower outer surface of the upper structure to provide a crane for installing the upper structure batch of the wind turbine to which the lifting ring bracket for lifting the upper structure is connected.

In addition, one end of the upper and lower guide means is provided with upper and lower guide clamps each having a space portion formed therein to be coupled in a state surrounding the circumference of the upper structure, the upper and lower guide clamps, one side One side end of the detachable portion corresponding to the detachably coupled by a fastening pin penetrating the lower guide clamp, the other end of the removable portion will be preferably a structure that is rotatably coupled to the lower guide clamp.

 In addition, it is preferable that the guide rollers are rotatably provided on each inner surface of the upper guide clamp including the detachable portion.

In addition, the lifting ring bracket, it is preferable that the ring member is formed in a state surrounding the entire outer circumference of the upper structure, it is preferably composed of a structure including a connection lug provided on both sides of the ring member and connected to the lifting line. .

As described above, according to the present invention, even if the height of the wind turbine upper structure is higher than the height of the crane boom, the upper structure can be lifted upright and vertically safely, it can be expected that the effect can be installed in a batch to the upper structure have.

In addition, when using the crane for installing the upper structure of the wind turbine generator according to the present invention, it is possible to collectively install the upper structure to simplify the work and shorten the installation period, and also reduce the manufacturing cost and construction cost of the upper structure You can expect the effect to work. In addition, most of the aerial work is converted to ground work can be expected to reduce the incidence of safety accidents caused by the fall of workers or structures.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the crane for installing the upper structure of the wind turbine generator according to the present invention will be described a specific configuration.

1 is a view schematically illustrating a crane for collectively installing an upper structure of a wind power generator according to the present invention, which is a view for explaining a process in which the upper structure is lifted and built vertically, and FIG. 2 is an upper structure of the wind power generator according to the present invention. As a schematic illustration of a crane for batch installation, it is a view showing a state in which the upper and lower guide means are filled in a state in which the upper structure is erected vertically.

As shown in the figure, for example, a conventional crane cabin structure 16 having a support arm 12 and a crane boom 14 is supported by a fixed structure 10 that can be installed on a ground feature or barge. It is rotatably coupled via a geared rotary means 18 provided on the upper surface of the structure (10).

For reference, the support arm 12, the crane boom 14, the gear-type rotating means 18 is an essential component to be equipped with the crane (C), in particular the crane boom 14 is a crane so that the inclination can be varied It is obvious that one end of the boom 14 is rotatably coupled to the crane cabin structure 16. Furthermore, the crane cabin structure 16 is also provided with a winch 22 that can wind or unwind the lifting line 20 and the main line 76.

In the conventional crane C configured as described above, the present invention is fixed to the lower hydro jack 26 having a rod 24 on one side of the crane cabin structure 16 in a downwardly inclined state. In addition, a lower guide means 30 is disposed on the lower part spaced apart from the lower hydro jack 26 to hold the lower part of the upper structure 28.

The lower guide means 30 is connected to one end rotatably with the hinge portion 32 provided in the crane cabin structure 16, and the rod 24 of the lower hydro jack 26 is the lower guide means 30 Takes the structure connected to). Accordingly, the lower guide means 30 is rotated about the hinge portion 32 as the rod 24 moves forward and backward.

In addition, the lower guide means 30 is integrally provided at one end with a lower guide clamp 36 for forming a rectangular space portion P1 therein as shown in FIG. 3. At this time, the detachable part 38 corresponding to one side of the lower guide clamp 36 is connected to or detached from the fastening pin 40 passing through one side end of the detachable part 38 and the lower guide clamp 36. Rotation is possible around the hinge pin 42.

In addition, the guide roller 44 is rotatably provided at each inner surface of the lower guide clamp 36 including the detachable portion 38 described above. A pair of fixing members 46 are fixed to each inner surface of the lower guide clamp 36 at intervals so that the guide rollers 44 may be rotatably provided, and between the fixing members 46. Guide rollers 44 are arranged is coupled to the fixing member 46 and the hinge pin (48).

On the other hand, the upper hydro jack 52 having the rod 50 is fixed to the upper portion of the crane boom 14 in an inclined upward state.

In addition, the upper guide means 54 which is configured in the same structure as the lower guide means 30 described above is disposed on the upper spaced apart from the upper hydro jack 52 to hold the upper portion of the upper structure 28.

The upper guide means 54 is rotatably connected to one end through the hinge portion 56 provided in the crane boom 14, and the rod 50 of the upper hydro jack 52 is the upper guide means 54 Takes the structure connected to). Accordingly, the upper guide means 54 is rotated about the hinge portion 56 as the rod 50 moves forward and backward.

In addition, the other end of the upper guide means 54, as shown in Figure 4, the upper guide clamp 60 for forming a rectangular space portion (P2) therein is integrally provided at one end. At this time, the detachable part 62 corresponding to one side of the upper guide clamp 60 is rotated about the hinge pin 66 by fastening or detaching the fastening pin 64 fastened to one end.

In addition, the guide roller 68 is rotatably provided on each inner surface of the upper guide clamp 60 including the detachable portion 62 described above. A pair of fixing members 70 are fixed to each inner surface of the upper guide clamp 60 at intervals so that the guide rollers 68 may be rotatably provided, and between the fixing members 70. Guide rollers 68 are disposed is coupled to the fixing member 70 and the hinge pin (72).

Hereinafter, the installation process of the upper structure will be briefly described using the crane for installing the upper structure package of the wind turbine generator according to the present invention configured as described above.

First, when installing the upper structure 28 of the wind power generator, instead of lifting up and stacking each tower part manufactured by segment one by one as in the prior art, instead of vertically connecting each tower part manufactured by each segment, the upper structure is integrally connected from the ground. Complete the production of (28). In this manner, the completed upper structure 28 is transported in a horizontally laid state.

In order to vertically transport the superstructure 28 transported in a lying state, as shown in FIGS. 1 and 2, the roller 74 of the crane boom 14 is positioned at a position spaced apart from the top of the superstructure 28 in a lower direction. By connecting the passing main line 76 is to lift the upper structure (28).

When the upper structure 28 is lifted in the above state, the main line 76 is connected to a position close to the top of the upper structure 28 so that the upper structure 28 is inclined upward by the center of gravity. Becomes

In addition, the upper structure 28 lifted up in an inclined state is mounted on the support member S having a predetermined height, and the nacelle N is assembled to the mounted upper structure 28. As such, the upper structure 28 to which the nacelle N is assembled is pulled up by the continued main line 76 and finally erected vertically.

When the upper structure 28 is erected vertically as above, the upper and lower hydro jacks 52 and 26 are driven to advance the rods 50 and 24, respectively.

As the rods 50 and 24 move forward, the upper and lower guide means 54 and 30, which have been rotated toward the crane boom 14, rotate about the hinge portions 56 and 32, respectively, and are finally horizontal. Are placed in a state. At this time, the upper and lower guide means (54, 30) to the upper and lower guide clamp (60. 36) as shown in Figures 3 to 5 for engagement with the upper structure 28 while the horizontal state is disposed By rotating the detachable parts 62 and 38 provided in advance, one side of the space parts P2 and P1 of the upper and lower guide clamps 60 and 36 is opened, thereby providing the upper and lower guide clamps 60 and 36. The upper structure 28 naturally enters into the spaces P2 and P1 of the spaces, and the spaces that were opened by coupling the respective detachable parts 62 and 38 to the corresponding upper and lower guide clamps 60 and 36, respectively. One side of P2 and P1 is closed.

By the upper and lower coupling of the upper and lower clamps 60 and 36 and the upper structure 28 provided in the upper and lower guide means 54 and 30 as above, the upper and lower portions of the upper structure 28 are guided. The state is firmly supported and fixed, thereby preventing the upper structure 28 from falling and shaking, as well as maintaining a stable distance from the crane boom 14.

In addition, when the coupling of the upper and lower clamps 60 and 36 and the upper structure 28 is completed as described above, the lower outer peripheral surface of the upper structure 28 is coupled as shown in FIGS. 2 and 6. When the lifting ring bracket 78 and the lifting line 20 passing through the roller 75 of the crane boom 14 are connected to each other and pulled in the direction of the arrow, the entire upper structure 28 naturally rises in a vertically rising state. You lose.

At this time, the guide rollers 68 and 44 provided in the upper and lower clamps 60 and 36 are rotated to guide safely without disturbing the rise of the upper structure 28. Thus, the upper structure 28 ) Is moved to the corresponding position while being lifted and installed.

As shown in FIG. 6, the lifting ring bracket 78 includes a ring member 80 having a hollow structure and a ring member 80 so that the lifting ring bracket 78 can be coupled in a state that completely surrounds the outer circumference of the upper structure 28. It is provided on both sides of is configured to include a connecting lug 82 to be connected with the lifting line (20). The lifting ring bracket 78 is pre-bonded and fixed in a state in which the upper structure 28 is welded to the upper structure 28 when the upper structure 28 is mounted on the support member S.

Therefore, when using the crane (C) for the collective installation of the upper structure of the wind turbine according to the present invention, even if the height of the wind turbine upper structure 28 is higher than the height of the crane boom 14 to lift the upper structure 28 safely By being able to stand vertically, it is possible to collectively install the upper structure 28, thereby significantly reducing the amount of work compared to the work of lifting the crane (C) by one by one by stacking each tower portion manufactured by segment. In addition, the work is simplified, providing convenience and shortening of installation time.

Furthermore, the manufacturing cost and construction cost of the upper structure 28 can also be reduced, and the upper structure 28 can be installed vertically as a whole so that it can be collectively installed and converted to most ground works instead of aerial aerial work. The occurrence of safety accidents can be reduced.

1 is a view schematically illustrating a crane for collectively installing an upper structure of a wind power generator according to the present invention, a view for explaining a process in which the upper structure is lifted and built vertically.

Figure 2 schematically shows the crane for installing the upper structure of the wind turbine generator according to the present invention, a view showing a state in which the upper and lower guide means are filled in a state in which the upper structure is erected vertically.

3 is an enlarged perspective view illustrating main parts of the lower guide clamp of the lower guide means of FIG. 1;

4 is an enlarged perspective view illustrating main parts of the upper guide clamp of the upper guide means of FIG. 1;

5 is a cross-sectional view illustrating a state in which the upper structure is coupled to the upper and lower guide clamps of FIGS. 4 and 3.

6 is an enlarged view illustrating main parts schematically illustrating part a of FIG. 2;

Explanation of symbols on the main parts of the drawings

10: support fixed structure 12: support arm

14 crane boom 16: crane cabin structure

18: gear rotating means 20: lifting line

22: hoist 24, 50: rod

26: lower hydro jack 28: upper structure

30: lower guide means 32, 56: hinge portion

42, 48, 66, 72: hinge pin 36: lower guide clamp

38, 62: removable parts 40, 64: fastening pin

44, 68: guide roller 46, 70: fixing member

52: upper hydro jack 54: upper guide means

60: upper guide clamp 74, 75: roller

76: main line 78: lifting ring bracket

80 ring member 82 coupling lug

Claims (4)

The lower hydro jack 26 with the rod 24 is fixed to the crane cabin structure 16 having the crane boom 14 in a downwardly inclined state, In the lower part spaced apart from the lower hydro jack 26, the lower guide means 30 for holding the lower part of the upper structure 28 in a state connected with the rod 24 is rotatable to the crane cabin structure 16 Connected,  The upper hydro jack 52 with the rod 50 is fixed to the upper portion of the crane boom 14 in an inclined state upwards,  The upper guide means 54 for holding the upper portion of the upper structure 28 in a state connected to the rod 50 in the upper spaced apart from the upper hydro jack 52 is rotatably connected to the crane boom 14 Is done; The lifting line 20 passing through the crane boom 14 is coupled to surround the lower outer surface of the upper structure 28 so that the lifting ring bracket 78 for lifting the upper structure 28 is connected. Crane for bulk installation of upper structure of wind power generator. The method of claim 1, Upper and lower guide clamps 60 having spaces P1 and P2 formed therein so as to be coupled to one end of the upper and lower guide means 54 and 30 in a state surrounding the upper structure 28. 36) are each provided, The upper and lower guide clamps 60 and 30 may be separated by fastening pins 64 and 40 passing through one end of the detachable parts 62 and 38 corresponding to one side and the lower guide clamps 60 and 30. And the other end of the detachable part (62, 38) is rotatably coupled with the lower guide clamp (60, 30), the upper structure collective installation crane of the wind turbine. 3. The method of claim 2, The guide rollers (68, 44) rotatably provided on each inner surface of the upper guide clamp (60, 36) including the detachable portion (62, 38) crane for installing the upper structure collectively of the wind turbine. The method according to any one of claims 1 to 3, The lifting ring bracket 78 is provided on both sides of the ring member 80 and the ring member 80 formed to surround the outer circumference of the upper structure 28 so as to connect with the lifting line 20. Cranes for installing the upper structure of the wind turbine generator, characterized in that it comprises a connecting lug 82 is configured.
KR1020090129542A 2009-12-23 2009-12-23 Crane for upper part block package installation of wind power plant structure KR20110072560A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090129542A KR20110072560A (en) 2009-12-23 2009-12-23 Crane for upper part block package installation of wind power plant structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090129542A KR20110072560A (en) 2009-12-23 2009-12-23 Crane for upper part block package installation of wind power plant structure

Publications (1)

Publication Number Publication Date
KR20110072560A true KR20110072560A (en) 2011-06-29

Family

ID=44403461

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090129542A KR20110072560A (en) 2009-12-23 2009-12-23 Crane for upper part block package installation of wind power plant structure

Country Status (1)

Country Link
KR (1) KR20110072560A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101484121B1 (en) * 2013-03-29 2015-01-21 곽대진 Floating Crane for Installation Offshore Wind Tower
CN105584939A (en) * 2014-10-23 2016-05-18 郑州宇通重工有限公司 Arm head special for wind power generator hoisting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101484121B1 (en) * 2013-03-29 2015-01-21 곽대진 Floating Crane for Installation Offshore Wind Tower
CN105584939A (en) * 2014-10-23 2016-05-18 郑州宇通重工有限公司 Arm head special for wind power generator hoisting

Similar Documents

Publication Publication Date Title
ES2811057T3 (en) System for assembling / disassembling wind turbines
DK2507514T3 (en) Wind energy system with hoisting device
JP6002248B2 (en) Weight lifting device and method
KR101756323B1 (en) Method of Building a Hybrid Tower for a Wind Generator
CN110944928B (en) Lifting assembly for lifting a component to a wind turbine and method of using the same
EP2369174B1 (en) A method of craneless mounting or demounting of a wind turbine blade
EP1101936B1 (en) Method for mounting main components in a nacelle of a windturbine
ES2556997B1 (en) Blade replacement method and device in wind turbines
JP6285546B2 (en) Assembly and method for lifting a load
KR20140002751A (en) Method for accessing the outer surface of wind turbine towers and device for use with this method
CN102251486B (en) Jacking bracket system for segmented mounting of bridge tower and construction process thereof
CN109231023B (en) Method for installing jib system of portal crane
CA2860522A1 (en) Method and device for mounting a rotor hub on a wind turbine
CN114174209A (en) Wind turbine tower with crane connection elements and crane with tower flange connection elements
ES2843535T3 (en) Wind turbine assembly system and associated procedure
CN109440985A (en) Super high-rise building super large curtain wall unit hydraulic synchronizing lifting system and its construction method
CN104989111A (en) Construction method for steel structure high-rise hoisting
KR20110072560A (en) Crane for upper part block package installation of wind power plant structure
JP2021522429A (en) Movable module for lifting the telescopic tower, and how to lift the telescopic tower
KR101090451B1 (en) Method for constructing main tower of cable-stayed girder bridge
JP3700306B2 (en) Wind power generator construction method
CN211496634U (en) Main tower integral hoisting system
KR20240046567A (en) Improved construction and maintenance of wind turbines
CN114180467A (en) Assembled hoisting device
JP2006077456A (en) Construction method of towered building and construction device

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application