CN216950677U - A butt joint positioner that is used for cabin and tower section of thick bamboo of offshore wind turbine installation - Google Patents
A butt joint positioner that is used for cabin and tower section of thick bamboo of offshore wind turbine installation Download PDFInfo
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- CN216950677U CN216950677U CN202122758229.XU CN202122758229U CN216950677U CN 216950677 U CN216950677 U CN 216950677U CN 202122758229 U CN202122758229 U CN 202122758229U CN 216950677 U CN216950677 U CN 216950677U
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model provides a butt joint positioning device for an engine room and a tower drum for mounting an offshore wind turbine, which can solve the problem that the engine room and the tower drum cannot be reliably butted in the process of mounting the offshore wind turbine by using a floating type ship at present. The center of the bottom surface of the engine room is provided with a hoisting plate with a hoisting lug, the hoisting lug on the hoisting plate is connected with a tower drum through a chain block, three engine room flange holes at specific positions are selected in an engine room flange to serve as positioning pin holes, positioning pins with the length larger than that of the connecting bolts are arranged in the three positioning pin holes, the angle and the position of the engine room are adjusted through operation on the chain block during the process that the engine room is lowered by a crane to be in butt joint with the tower drum, the positioning pins in the three positioning pin holes can be aligned with the corresponding tower drum flange holes prior to the connecting bolts, and then the connecting bolts in the other engine room flange holes are aligned and connected with the corresponding tower drum flange holes.
Description
Technical Field
The utility model relates to the technical field of installation of offshore wind turbines, in particular to a butt joint positioning device of a cabin and a tower barrel for installation of an offshore wind turbine.
Background
The butt joint operation of the engine room and the tower barrel is an important part in the installation process of the fan, and the connection and installation are generally completed by hoisting the engine room to the position above the tower barrel by large-scale hoisting equipment, butting the flange on the bottom surface of the engine room with the flange on the top of the tower barrel and then using bolts. In the process of installing the offshore wind turbine, due to the severe influence of external environmental load on the sea, when the offshore wind turbine is installed by using the floating type ship, the crane jib on the floating type ship can swing to a large extent, so that the engine room lifted by the jib lifting hook can shake greatly and cannot be reliably butted with the tower drum of the wind turbine, if the engine room is butted forcibly, the shaking engine room and the tower drum are easy to collide, the butted bolt is bent if the bolt is light, and the engine room can be directly damaged if the bolt is heavy.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a butt joint positioning device for an engine room and a tower drum for mounting an offshore wind turbine, which can solve the problem that the engine room and the tower drum cannot be reliably butted in the process of mounting the offshore wind turbine by adopting a floating type ship at present.
Its technical scheme does, a butt joint positioner that is used for cabin and tower section of thick bamboo of offshore wind turbine installation, the bottom surface in the cabin of offshore wind turbine, the top surface of a tower section of thick bamboo are provided with cabin flange, tower section of thick bamboo flange respectively, on the cabin flange, along circumference equipartition respectively on the tower section of thick bamboo flange seted up cabin flange hole, tower section of thick bamboo flange hole, and cabin flange hole and tower section of thick bamboo flange hole mutual one-to-one, its characterized in that: the lifting device comprises a positioning pin, a lifting plate and four chain blocks, wherein the lifting plate is installed at the center of the bottom of an engine room, the four lifting lugs are arranged in a cross shape and are respectively a first lifting lug, a second lifting lug, a third lifting lug and a fourth lifting lug, the length of the positioning pin is greater than that of a connecting bolt, three of engine room flange holes are selected as positioning pin holes, the positioning pin is arranged in the three positioning pin holes, the connecting bolts are arranged in all the other engine room flange holes, the three positioning pin holes are respectively a first positioning pin hole, a second positioning pin hole and a third positioning pin hole, and the first positioning pin hole, the second positioning pin hole and the center of the bottom of the engine room are positioned on the same line; selecting four of tower flange holes as traction holes, namely a first traction hole, a second traction hole, a third traction hole and a fourth traction hole, wherein the first traction hole corresponds to a first positioning pin hole, the second traction hole corresponds to a second positioning pin hole, and any tower flange hole between the tower flange hole corresponding to the third positioning pin hole and the first traction hole and any tower flange hole between the second traction hole are used as the third traction hole and the fourth traction hole; the lifting hook ends on one side of the four chain blocks are respectively connected with the four lifting lugs, and the lifting hook ends on the other side of the four chain blocks are respectively connected with the first traction hole, the second traction hole, the third traction hole and the fourth traction hole through lifting belts; in the butt joint process of the engine room and the tower barrel, the four chain blocks are manually adjusted, so that the positioning pins in the three positioning pin holes can firstly respectively extend into the tower barrel flange holes corresponding to the tower barrel, and then all the connecting bolts in the rest engine room flange holes extend into the tower barrel flange holes corresponding to one another one by one, so that the butt joint of the engine room and the tower barrel is completed.
Further, the positioning pin comprises a first positioning pin and a second positioning pin, wherein the length of the first positioning pin is greater than that of the second positioning pin, and the length of the second positioning pin is greater than that of the connecting bolt; the second locating pins are two and are respectively arranged in the first locating pin hole and the second locating pin hole, and the first locating pin is arranged in the third locating pin hole.
Further, four chain blocks are first chain block, second chain block, third chain block and fourth chain block respectively, wherein one side lifting hook end of first chain block with first lug is connected, the first traction hole is connected through the suspender to the opposite side lifting hook end, one side lifting hook end of second chain block with the second lug is connected, the second traction hole is connected through the suspender to the opposite side lifting hook end, one side lifting hook end of third chain block with the fourth lug is connected, the third traction hole is connected through the suspender to the opposite side lifting hook end, one side lifting hook end of fourth chain block with the third lug is connected, the opposite side lifting hook end passes through the suspender and connects the fourth traction hole.
Furthermore, the third positioning pin hole is positioned on a vertical bisector of a connecting line of the first positioning pin hole and the second positioning pin hole; and the radial included angles of the tower flange hole corresponding to the third positioning pin hole, the third traction hole and the fourth traction hole are 45 degrees.
Furthermore, it is three the locating pin all includes main part round pin portion, screw thread tip, location tip and location guide part, the one end of main part round pin portion be with cabin flange hole complex screw thread tip, the other end pass through location guide part body coupling the location tip, the location guide part is the diameter convergent toper that extends from the screw thread tip to location tip direction, the location tip is regular quadrangle.
The utility model has the beneficial effects that: the center of the bottom surface of the nacelle is provided with a hoisting plate with lifting lugs, the lifting lugs on the hoisting plate are connected with a tower drum through a chain block, three nacelle flange holes at specific positions are selected as positioning pin holes in a nacelle flange, positioning pins with the length larger than that of the connecting bolts are arranged in the three positioning pin holes, the angle and the position of the nacelle are adjusted through the operation of the chain block during the process that the nacelle is placed down by a crane to be in butt joint with the tower drum, the positioning pins in the three positioning pin holes can be in alignment with the corresponding tower drum flange holes before the connecting bolts, and then the connecting bolts in the rest nacelle flange holes are in alignment connection with the corresponding tower drum flange holes, so that the butt joint reliability and the butt joint safety can be effectively improved, the butt joint success rate is improved, and the problem that the nacelle or the tower drum is damaged due to mutual collision generated in the butt joint process of the nacelle and the tower drum is avoided.
Drawings
FIG. 1 is a schematic view of a nacelle and tower interfacing using the apparatus of the present invention;
FIG. 2 is a schematic view of the construction of a lifting plate in the apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the locating pin of the apparatus of the present invention;
FIG. 4 is a schematic view of the arrangement of three registration pin holes in the bottom surface of the nacelle in the apparatus of the present invention;
FIG. 5 is a schematic plan view of four chain blocks in the apparatus of the present invention;
FIG. 6 is a schematic flow chart illustrating the docking of the nacelle with the tower shown in the direction A-A in FIG. 4.
Reference numerals: 10-nacelle, 11-nacelle flange, 20-tower, 21-tower flange, 22 a-first traction hole, 22 b-second traction hole, 22 c-third traction hole, 22 d-fourth traction hole, 31-hoisting plate, 32 a-first lifting lug, 32 b-second lifting lug, 32 c-third lifting lug, 32 d-fourth lifting lug, 33-connecting bolt, 34 a-first positioning pin hole, 34 b-second positioning pin hole, 34 c-third positioning pin hole, 35-positioning pin, 35 a-first positioning pin, 35 b-second positioning pin, 351-main body pin part, 352-threaded end part, 353-positioning end part, 354-positioning guide part, 36-chain block, 41-hook component and 42-hoisting beam.
Detailed Description
As shown in fig. 1, a nacelle flange 11 and a tower flange 21 are respectively arranged on the bottom surface of a nacelle 10 and the top surface of a tower 20 of an offshore wind turbine, nacelle flange holes and tower flange holes are respectively uniformly distributed on the nacelle flange 11 and the tower flange 21 along the circumferential direction, and the nacelle flange holes and the tower flange holes are in one-to-one correspondence; the utility model relates to a butt joint positioning device of a cabin and a tower barrel for installing an offshore wind turbine, which comprises a positioning pin 35, a hoisting plate 31 and four chain blocks, wherein the hoisting plate 31 is installed at the center of the bottom of the cabin, the bottom of the hoisting plate 31 is provided with four lifting lugs arranged in a cross shape, see fig. 2, namely a first lifting lug 32a, a second lifting lug 32b, a third lifting lug 32c and a fourth lifting lug 32d, the length of the positioning pin 35 is greater than that of a connecting bolt 33, three of cabin flange holes are selected as positioning pin holes, positioning pins 35 are arranged in the three positioning pin holes, connecting bolts 33 are arranged in the rest of the cabin flange holes, the three positioning pin holes are respectively a first positioning pin hole 34a, a second positioning pin hole 34b and a third positioning pin hole 34c, and the centers of the first positioning pin hole 34a, the second positioning pin hole 34b and the bottom of the cabin are positioned on the same line, see fig. 4; selecting four of tower flange holes as traction holes, namely a first traction hole 22a, a second traction hole 22b, a third traction hole 22c and a fourth traction hole 22d, wherein the first traction hole 22a corresponds to the first positioning pin hole 34a, the second traction hole 22b corresponds to the second positioning pin hole 34b, any tower flange hole between the tower flange hole corresponding to the third positioning pin hole 34c and the first traction hole 22a is used as the third traction hole 22c, and any tower flange hole between the tower flange hole corresponding to the third positioning pin hole 34c and the second traction hole 22b is used as the fourth traction hole 22 d; the hook ends at one side of the four chain blocks 36 are respectively connected with the four lifting eyes, and the hook ends at the other side of the four chain blocks are respectively connected with the first traction hole 22a, the second traction hole 22b, the third traction hole 22c and the fourth traction hole 22d through hanging belts; in the process of butting the nacelle 10 and the tower 20, the positioning pins 35 in the three positioning pin holes can respectively extend into the tower flange holes corresponding to the tower 20 by manually adjusting the four chain blocks 36, and then the connecting bolts 33 in the other nacelle flange holes all extend into the tower flange holes corresponding to one another to complete butting of the nacelle and the tower. The device adopts a triangular positioning principle, three flange holes in a flange hole of the engine room are used as three positioning pin holes, positioning pins are respectively arranged in the three positioning pin holes, four lifting lugs on a lifting plate 31 arranged at the center of the bottom surface of the engine room are respectively connected with four traction holes on a flange 21 of the tower barrel through four chain blocks, the angle of the engine room 10 relative to the tower barrel 20 is adjusted by drawing the four chain blocks in the butt joint process, so that the three positioning pins are aligned to the corresponding flange holes on the tower barrel, and the three positioning pins are used for realizing the primary positioning of the engine room and the tower barrel.
As a preferred technical solution of the device of the present invention, the positioning pin includes a first positioning pin 35a and a second positioning pin 35b, the length of the first positioning pin 35a is greater than the length of the second positioning pin 35b, and the length of the second positioning pin 35b is greater than the length of the connecting bolt 33; two second positioning pins 35b are provided, the two second positioning pins 35b are respectively installed in the first positioning pin hole 34a and the second positioning pin hole 34b, and the first positioning pin 35a is installed in the third positioning pin hole 34 c.
The four chain blocks are respectively a first chain block 36a, a second chain block 36b, a third chain block 36c and a fourth chain block 36d, wherein one side hook end of the first chain block 36a is connected with the first lifting lug 32a, the other side hook end is connected with the first traction hole 22a through a hanging strip, one side hook end of the second chain block 36b is connected with the second lifting lug 32b, the other side hook end is connected with the second traction hole 22b through a hanging strip, one side hook end of the third chain block 36c is connected with the fourth lifting lug 32d, the other side hook end is connected with the third traction hole 22c through a hanging strip, one side hook end of the fourth chain block 36d is connected with the third lifting lug 32c, and the other side hook end is connected with the fourth traction hole 22d through a hanging strip; the length of the four chain blocks needs to be adjusted simultaneously in the installation process of the four chain blocks, so that the four chain blocks are not stressed after being installed in place; referring to fig. 6, then, the third chain block 36c and the fourth chain block 36d are manually and slowly tightened, the crane drives the nacelle to slowly lower, and the first positioning pin 35a slowly falls into the corresponding tower flange hole while the position of the first positioning pin 35a is adjusted; then, while the third chain block 36c and the fourth chain block 36d are tightened, the positions of the two second positioning pins 35b are adjusted by respectively manually adjusting the first chain block 36a and the second chain block 36b, and meanwhile, the crane drives the nacelle to continue to slowly descend until the two second positioning pins 35b are respectively aligned with and extend into the first drawing hole 22a and the second drawing hole 22b, so that the primary positioning of the nacelle and the tower is completed. It is in the principle of triangulation locating, sets up the form of a long two short (the length that is first locating pin 35a is greater than the length of second locating pin 35b and the length of second locating pin 35b is greater than connecting bolt 33's length) with three locating pins to at the in-process that carries out the butt joint location through three locating pin, make first locating pin 35a and tower section of thick bamboo flange location earlier, make two second locating pins 35b location again, thereby can further improve the butt joint stability and the reliability of cabin and tower section of thick bamboo.
In a further preferable technical solution, the third positioning pin hole 34c is located on a perpendicular bisector of a connecting line between the first positioning pin hole 34a and the second positioning pin hole 34 b; moreover, radial included angles between a tower flange hole corresponding to the third positioning pin hole 34c and the third traction hole 22c and the fourth traction hole 22d are 45 degrees, as shown in fig. 5; therefore, the traction operation of the four chain blocks can be ensured to be easier and more labor-saving, and the butt joint positioning difficulty of the engine room and the tower barrel is reduced.
Furthermore, as shown in fig. 3, each of the three positioning pins includes a main body pin portion 351, a threaded end portion 352, a positioning end portion 353, and a positioning guide portion 354, one end of the main body pin portion 351 is the threaded end portion 352 matched with the nacelle flange hole, and the other end is integrally connected to the positioning end portion 353 through the positioning guide portion 354, the positioning guide portion 354 is in a tapered shape with a reduced diameter extending from the threaded end portion 352 in a direction toward the positioning end portion 353, and the positioning end portion 353 is in a regular quadrangle shape. The tapered positioning guide portion 354 and the quadrangular positioning end portion of the positioning pin can perform rapid guiding and positioning functions at the initial stage of butt joint of the positioning pin and the corresponding flange hole of the tower barrel, and further improve the reliability of butt joint positioning.
The detailed description of the embodiments of the present invention is provided above, but the present invention is only the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the utility model shall fall within the scope of the patent coverage of the present invention.
Claims (5)
1. The utility model provides a butt joint positioner that is used for cabin and tower section of thick bamboo of offshore wind turbine installation, the bottom surface in the cabin of offshore wind turbine, the top surface of a tower section of thick bamboo are provided with cabin flange, tower section of thick bamboo flange respectively, on the cabin flange, along circumference equipartition respectively on the tower section of thick bamboo flange seted up cabin flange hole, tower section of thick bamboo flange hole, and cabin flange hole and tower section of thick bamboo flange hole mutual one-to-one, its characterized in that: the lifting device comprises a positioning pin, a lifting plate and four chain blocks, wherein the lifting plate is installed at the center of the bottom of an engine room, the four lifting lugs are arranged in a cross shape and are respectively a first lifting lug, a second lifting lug, a third lifting lug and a fourth lifting lug, the length of the positioning pin is greater than that of a connecting bolt, three of engine room flange holes are selected as positioning pin holes, the positioning pin is arranged in the three positioning pin holes, the connecting bolts are arranged in all the other engine room flange holes, the three positioning pin holes are respectively a first positioning pin hole, a second positioning pin hole and a third positioning pin hole, and the first positioning pin hole, the second positioning pin hole and the center of the bottom of the engine room are positioned on the same line; selecting four of tower flange holes as traction holes, namely a first traction hole, a second traction hole, a third traction hole and a fourth traction hole, wherein the first traction hole corresponds to a first positioning pin hole, the second traction hole corresponds to a second positioning pin hole, and any tower flange hole between the tower flange hole corresponding to the third positioning pin hole and the first traction hole and any tower flange hole between the second traction hole are used as the third traction hole and the fourth traction hole; the lifting hook ends on one side of the four chain blocks are respectively connected with the four lifting lugs, and the lifting hook ends on the other side of the four chain blocks are respectively connected with the first traction hole, the second traction hole, the third traction hole and the fourth traction hole through lifting belts; the chain block can adjust the angle and the position of the engine room by drawing the engine room in the descending process of the engine room, so that the positioning pins in the three positioning pin holes and the connecting bolts in the flange holes of the other engine rooms can extend into the flange holes of the tower barrels in one-to-one correspondence.
2. The device of claim 1, wherein the device comprises: the positioning pins comprise a first positioning pin and a second positioning pin, the length of the first positioning pin is greater than that of the second positioning pin, and the length of the second positioning pin is greater than that of the connecting bolt; the second locating pins are two and are respectively arranged in the first locating pin hole and the second locating pin hole, and the first locating pin is arranged in the third locating pin hole.
3. The device of claim 2, wherein the docking device comprises a housing and a tower, the housing and the tower being mounted on the marine wind turbine, the device comprising: four chain block are first chain block, second chain block, third chain block and fourth chain block respectively, wherein one side lifting hook end of first chain block with first lug is connected, the opposite side lifting hook end passes through the suspender and connects first traction hole, one side lifting hook end of second chain block with second lug is connected, the opposite side lifting hook end passes through the suspender and connects the second traction hole, one side lifting hook end of third chain block with fourth lug is connected, the opposite side lifting hook end passes through the suspender and connects the third traction hole, one side lifting hook end of fourth chain block with third lug is connected, the opposite side lifting hook end passes through the suspender and connects the fourth traction hole.
4. The device of claim 2, wherein the docking device comprises a housing and a tower, the housing and the tower being mounted on the marine wind turbine, the device comprising: the third positioning pin hole is positioned on a vertical bisector of a connecting line of the first positioning pin hole and the second positioning pin hole; and the radial included angles of the tower flange hole corresponding to the third positioning pin hole, the third traction hole and the fourth traction hole are 45 degrees.
5. The device of claim 2, wherein the docking device comprises a housing and a tower, the housing and the tower being mounted on the marine wind turbine, the device comprising: it is three the locating pin all includes main part pin portion, screw thread tip, location tip and location guide part, the one end of main part pin portion be with cabin flange hole matched with screw thread tip, the other end pass through location guide part body coupling the location tip, the location guide part is the toper of the diameter convergent that extends from screw thread tip to location tip direction, the location tip is regular quadrangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758229.XU CN216950677U (en) | 2021-11-11 | 2021-11-11 | A butt joint positioner that is used for cabin and tower section of thick bamboo of offshore wind turbine installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758229.XU CN216950677U (en) | 2021-11-11 | 2021-11-11 | A butt joint positioner that is used for cabin and tower section of thick bamboo of offshore wind turbine installation |
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| Publication Number | Publication Date |
|---|---|
| CN216950677U true CN216950677U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122758229.XU Active CN216950677U (en) | 2021-11-11 | 2021-11-11 | A butt joint positioner that is used for cabin and tower section of thick bamboo of offshore wind turbine installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060221A (en) * | 2021-11-11 | 2022-02-18 | 江苏亨通蓝德海洋工程有限公司 | Cabin hoisting and butt joint method for offshore wind turbine installation by using floating ship |
-
2021
- 2021-11-11 CN CN202122758229.XU patent/CN216950677U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060221A (en) * | 2021-11-11 | 2022-02-18 | 江苏亨通蓝德海洋工程有限公司 | Cabin hoisting and butt joint method for offshore wind turbine installation by using floating ship |
| CN114060221B (en) * | 2021-11-11 | 2024-02-06 | 江苏亨通蓝德海洋工程有限公司 | Cabin hoisting and docking method for offshore wind turbine installation by floating ship |
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