CN215486378U - Double-layer buffering and butting device for offshore integral installation of wind generating set - Google Patents
Double-layer buffering and butting device for offshore integral installation of wind generating set Download PDFInfo
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- CN215486378U CN215486378U CN202121793196.6U CN202121793196U CN215486378U CN 215486378 U CN215486378 U CN 215486378U CN 202121793196 U CN202121793196 U CN 202121793196U CN 215486378 U CN215486378 U CN 215486378U
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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
- 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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- 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
- Y02E10/727—Offshore wind turbines
Abstract
The utility model discloses a double-layer buffering and butting device for offshore integral installation of a wind generating set, which comprises an upper layer buffering mechanism and a lower layer buffering mechanism, wherein the upper layer buffering mechanism is arranged on the upper layer; the upper-layer buffer mechanism comprises a balance beam, an upper beam steel wire rope group hinged to the top surface of the balance beam, a lower beam steel wire rope group hinged to the bottom surface of the balance beam, two variable tension oil cylinders and two variable tension oil cylinder steel wire ropes; the two variable tension oil cylinders are symmetrically arranged on two sides of the top surface of the balance beam in a mode that piston rods of the two variable tension oil cylinders are vertically upward and are hinged to the balance beam through cylinder barrels, and the piston rods of the two variable tension oil cylinders are connected to a crane hook through two variable tension oil cylinder steel wire ropes respectively; the lower layer buffer mechanism comprises a plurality of buffer oil cylinders which are uniformly distributed on the pile top base along the circumferential direction, and piston rods of the buffer oil cylinders are arranged in a vertically upward mode; the device can provide sufficient holding power and effectively avoid the safe risk that the wave fluctuation brought at the whole butt joint in-process with tower section of thick bamboo base of fan, avoids colliding with, realizes steady butt joint.
Description
Technical Field
The utility model relates to the technical field of installation equipment of an offshore wind generating set, in particular to a double-layer buffering and butting device for offshore integral installation of the wind generating set.
Background
The ocean construction operation is easily influenced by more adverse factors, and particularly, in the butt joint link of the ocean fan tower drum base and the pile top base, the butt joint work can be smoothly completed within 1-2 hours of a stable operation window period. The main influencing factors are the heave of the crane ship caused by the surge effect, and the ocean fan and the tower drum which weigh thousands of tons can generate obvious heave under the surge effect of the crane ship, so that the crane ship can not be stably butted by manpower. When the hoisting mechanism is adopted to carry out butt joint construction on the ocean fan and the tower drum, the key points of successful construction are as follows: the up-and-down fluctuation of the crane ship caused by the surge effect in the butt joint link is overcome, and the stable butt joint of the base of the tower cylinder of the fan tower and the pile top base is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-layer buffering and butting device for integrally mounting a wind generating set on the sea, which overcomes the up-and-down fluctuation of a crane ship caused by the surge action in a butting link and realizes the stable butting of a base of a tower cylinder of a fan and a base of a pile top.
Therefore, the technical scheme of the utility model is as follows:
a double-layer buffering and butting device for integral offshore installation of a wind generating set comprises an upper-layer buffering mechanism and a lower-layer buffering mechanism; wherein the content of the first and second substances,
the upper layer buffer mechanism comprises a balance beam, an upper beam steel wire rope group, a lower beam steel wire rope group, two variable tension oil cylinders and two variable tension oil cylinder steel wire ropes; the steel wire rope group on the beam is hinged and connected to the top surface of the balance beam so as to stably hoist the balance beam on the crane hook; the steel wire rope group under the beam is hinged on the bottom surface of the balance beam so as to stably hoist the tower drum base below the balance beam; the two variable tension oil cylinders are symmetrically arranged on two sides of the top surface of the balance beam in a mode that piston rods of the two variable tension oil cylinders are vertically upward, and the bottom ends of cylinder barrels of the two variable tension oil cylinders are hinged to the balance beam; one end of each of the two variable-tension oil cylinder steel wire ropes is hinged to the rod end of the piston rod of each of the two variable-tension oil cylinders, and the other end of each of the two variable-tension oil cylinder steel wire ropes is connected to a crane hook;
the lower layer buffer mechanism comprises a plurality of buffer oil cylinders which are arranged on the top surface of the pile top base along the circumferential direction; each buffer oil cylinder is arranged in a mode that a piston rod of each buffer oil cylinder is vertically upward, and the bottom end of a cylinder barrel of each buffer oil cylinder is fixed on the pile top base.
Furthermore, each variable tension oil cylinder is provided with a pressure sensor for monitoring the oil pressure change in the cylinder barrel and a displacement sensor for monitoring the extension amplitude of the piston rod.
Furthermore, the steel wire rope group on the beam is composed of four steel wire ropes, an upper beam pulley is respectively arranged on the top surface of the balance beam and close to four top corners, and the four steel wire ropes are correspondingly arranged on the upper beam pulleys one by one, so that one ends of the four steel wire ropes are respectively connected to the four upper beam pulleys, and the other ends of the four steel wire ropes are connected to the crane hook.
Furthermore, the under-beam steel wire rope group is composed of eight steel wire ropes, two under-beam pulleys are respectively arranged on the bottom surface of the balance beam and close to four top corners, the eight steel wire ropes are arranged at the under-beam pulleys in a one-to-one correspondence mode, one ends of the eight steel wire ropes are respectively connected to the eight under-beam pulleys, and the other ends of the eight steel wire ropes vertically fall down and are respectively connected to eight lifting lugs on the tower drum base.
Furthermore, the bottom ends of the cylinder barrels of the two variable-tension oil cylinders are respectively hinged to the balance beam through two beam upper pulleys arranged on the top surface of the balance beam. And each beam upper pulley for connecting the two variable tension oil cylinder barrels is preferably fixed at the middle point of a connecting line of two beam upper pulleys for connecting the steel wire rope groups on the beams, which are positioned on the same side.
Furthermore, the lower-layer buffer mechanism also comprises a plurality of oil cylinder bearing discs with the same number as the buffer oil cylinders; the plurality of oil cylinder bearing discs are uniformly distributed on the bottom surface of the tower barrel base along the circumferential direction, and the positions of the oil cylinder bearing discs are in one-to-one correspondence with the positions of the plurality of buffer oil cylinders arranged on the top surface of the pile top base.
Furthermore, the lower-layer buffer mechanism further comprises a coarse positioning device which is arranged on the top surface of the pile top base so as to realize that the fan tower barrel is centered with the pile top base in the butt joint process.
Compared with the prior art, the double-layer buffering and butt joint device for offshore integral installation of the wind generating set can provide enough supporting force for the tower drum base in the butt joint process of the fan and the tower drum, and the variable tension oil cylinder compensates for influences caused by wave fluctuation in the permanent fixed connection process, so that collision between the fan tower drum and the pile top is avoided, and the stable butt joint of the fan tower drum base and the pile top base is realized.
Drawings
FIG. 1 is a schematic structural view of a front vertical surface of a double-layer buffering and butting device for integral offshore installation of a wind generating set;
FIG. 2 is a schematic side elevation view of the double-layer buffering and docking device for integral offshore installation of a wind turbine generator system according to the present invention;
FIG. 3 is a schematic structural diagram of an upper-layer buffer mechanism of a double-layer buffer and butt-joint device for offshore integral installation of a wind generating set according to the utility model;
FIG. 4 is a schematic diagram of a process of butting a fan whole body and a pile top base, wherein the fan whole body is hoisted by the double-layer buffering and butting device for offshore whole installation of the wind generating set;
FIG. 5 is a schematic view of the wind generating set integral installation on the sea using the double-layer buffering and butting device to complete the butting of the whole fan and the pile top base.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, which are not intended to limit the utility model in any way.
As shown in fig. 1, the double-layer buffering and butting device for offshore integral installation of the wind generating set comprises an upper layer buffering mechanism and a lower layer buffering mechanism; wherein the content of the first and second substances,
as shown in fig. 2 and 3, the upper layer buffer mechanism comprises a balance beam 3, an upper beam steel wire rope group 7, a lower beam steel wire rope group 10, two variable tension cylinders 8, two variable tension cylinder steel wire ropes 9 and a sensor group;
the upper bottom steel wire rope group 7 of the beam is hinged on the top surface of the balance beam 3 so as to stably hoist the balance beam 3 on the crane hook; specifically, the on-beam steel wire rope group 7 is composed of four steel wire ropes, an on-beam pulley 12 is respectively arranged on the top surface of the balance beam 3 and near four top corners, the four steel wire ropes are correspondingly arranged on the on-beam pulleys 12 one by one, so that one ends of the four steel wire ropes are respectively connected to the four on-beam pulleys 12, and the other ends of the four steel wire ropes are connected to a crane hook;
the under-beam steel wire rope group 10 is hinged to the bottom surface of the balance beam 3 so as to stably hoist the tower drum base 4 below the balance beam 3; specifically, the under-beam steel wire rope group 10 is composed of eight steel wire ropes, two under-beam pulleys 13 are respectively arranged on the bottom surface of the balance beam 3 and near four vertex angles, the eight steel wire ropes are correspondingly arranged at the under-beam pulleys 13 one by one, so that one ends of the eight steel wire ropes are respectively connected to the eight under-beam pulleys 13, and the other ends of the eight steel wire ropes vertically fall and are respectively connected to eight lifting lugs 14 on the tower drum base 4;
the two variable tension oil cylinders 8 are symmetrically arranged on two sides of the top surface of the balance beam 3 in a mode that piston rods of the two variable tension oil cylinders are vertically upward, and the bottom ends of cylinder barrels of the two variable tension oil cylinders are hinged to the balance beam 3; one end of each of the two variable tension oil cylinder steel wire ropes 9 is hinged to the rod end of the piston rod of each of the two variable tension oil cylinders 8, and the other end of each of the two variable tension oil cylinder steel wire ropes is connected to a crane hook;
the sensor group comprises a pressure sensor and a displacement sensor which are arranged on each variable tension oil cylinder 8; the pressure sensor is used for monitoring oil pressure change in the cylinder barrel, and the displacement sensor is used for monitoring the extension amplitude of the piston rod;
as shown in fig. 4 and 5, the lower-layer buffer mechanism includes eight buffer oil cylinders 16 circumferentially arranged on the top surface of the pile top base 5, eight oil cylinder bearing discs, and an acceleration sensor;
the eight buffer oil cylinders 16 are all arranged in a mode that piston rods of the eight buffer oil cylinders are vertically upward, and the bottom ends of cylinder barrels of the eight buffer oil cylinders are fixed on the pile top base 5; eight oil cylinder bearing discs are uniformly distributed on the bottom surface of the tower barrel base 4 along the circumferential direction, and the positions of the eight oil cylinder bearing discs correspond to the positions of a plurality of buffer oil cylinders 16 arranged on the top surface of the pile top base 5 one by one;
acceleration sensor sets up on fan bottom tower section of thick bamboo 2, specifically, acceleration sensor dorsal part is fixed by a magnet board, makes it can dismantle with the mode of magnetism and fix on the outer wall of fan bottom tower section of thick bamboo 2.
As a preferred technical solution of this embodiment, the lower-layer buffering mechanism further includes a coarse positioning device, and the coarse positioning device is disposed on the top surface of the pile top base 5 to realize that the wind turbine tower 2 is centered simultaneously in the process of docking with the pile top base 5.
The concrete construction steps of adopting the double-layer buffering and butting device for integrally installing the wind generating set on the sea to hoist the integral fan to the pile top base and complete butting with the integral fan are as follows:
s1, connecting the double-layer buffering and butting device for integral offshore installation of the wind generating set with the connected fan integrally to finish the preparation for lifting, specifically, respectively connecting the lower beam steel wire rope groups 10 to the lower beam pulley 13 on the bottom surface of the balance beam 3 and the lifting lugs 14 of the tower drum base 4 in the fan integral structure in a hinged manner, and respectively connecting the upper beam steel wire rope groups 7 to the upper beam pulley 12 on the top surface of the balance beam 3 and the hook heads of the upper crane to stably lift the balance beam 3 on the crane hook and stably lift the tower drum base 4 below the balance beam 3; then, symmetrically arranging cylinder barrels of the two variable tension oil cylinders 8 and mounting the cylinder barrels on the other two beam upper pulleys 12 on the top surface of the balance beam 3 in a hinged mode, respectively connecting rod ends of piston rods 11 of the two variable tension oil cylinders 8 with one ends of the two variable tension steel wire ropes 9, and connecting the other ends of the two variable tension steel wire ropes 9 with a hook head of an upper crane;
s2, slowly raising the hook of the crane to the whole fan, and monitoring the extending lengths of the piston rods 11 of the two variable tension oil cylinders 8 by using the displacement sensor on each variable tension oil cylinder 8 at the beginning of the process to meet the requirements that: the total length of the variable tension oil cylinder 8 and the variable tension steel wire rope 9 on the same side is slightly larger than the length of the steel wire rope group 7 on the beam, so that the steel wire rope group 7 on the beam is always in a tensioned state in the hoisting process, namely the steel wire rope 9 on the variable tension is completely stressed, and the steel wire rope group 7 on the beam is always in a loose state and is not stressed; the state can be maintained by monitoring the tension change of the variable tension oil cylinders 8 in real time in a manner of monitoring the oil pressure change in the cylinders through pressure sensors arranged on each variable tension oil cylinder 8, and then the tension is further transmitted to a fixing device of the tower drum base 4 and the transport ship, so that the upward tension of the tower drum base is ensured to be balanced and maintained in a stable numerical range;
s3, the connection between the tower drum base 4 and the transport ship fixing device is released, and the crane continues to slowly lift and move the lifting hook of the controller so as to lift the integral fan 1 to the position right above the pile top base 5;
s4, the crane controls the lifting hook to slowly lower the whole fan 1, and the whole fan gradually approaches to the pile top base 5 under the action of the coarse positioning device 15, and the centering of the fan bottom tower 2 and the pile top base 5 is realized;
s5, starting the piston rods of eight buffer oil cylinders 16 arranged on the pile top base 5 to lift upwards until the top ends of the piston rods lift to an oil cylinder bearing disc fixed on the tower barrel base 4;
s6, the hook head of the crane continues to slowly descend, and simultaneously the piston rod 11 of the variable tension oil cylinder 8 is shortened to a state that the steel wire rope group 7 on the beam is completely in a tensioned state, and the steel wire rope 9 of the variable tension oil cylinder is in a relaxed state; in the process, based on the condition of sea storms, when the pressure sensor on any one variable tension oil cylinder 8 senses that the pressure is increased instantly, the piston rod 11 of the variable tension oil cylinder 8 is controlled to extend properly through the displacement sensor on the variable tension oil cylinder 8 so as to compensate the fluctuation change of the lifting hook caused by waves and ensure that the whole fan 1 is kept stable in position all the time in the installation process;
s7, in the step S6, when the hook head of the crane descends slowly, the piston rods of the eight buffer oil cylinders 16 retract synchronously or in an asynchronous mode according to the wind and wave conditions until the whole fan is stably placed on the pile top base;
and S8, aligning bolt holes between the foundation pile 6 and the fan bottom tower barrel 2 through a fine positioning device of the pile top base, and screwing the bolt holes for fixing.
S9, removing auxiliary tools such as the balance beam 3, the fan bottom tower barrel 2 and the pile top base 5, and completing the integral installation of the fan.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A double-layer buffering and butting device for integral offshore installation of a wind generating set is characterized by comprising an upper-layer buffering mechanism and a lower-layer buffering mechanism; wherein the content of the first and second substances,
the upper-layer buffer mechanism comprises a balance beam (3), an upper beam steel wire rope group (7), a lower beam steel wire rope group (10), two variable tension oil cylinders (8) and two variable tension oil cylinder steel wire ropes (9); the steel wire rope group (7) on the beam is hinged on the top surface of the balance beam (3) so as to stably hoist the balance beam (3) on the crane hook; the steel wire rope group (10) under the beam is hinged on the bottom surface of the balance beam (3) so as to stably hoist the tower drum base (4) below the balance beam (3); the two variable tension oil cylinders (8) are symmetrically arranged on two sides of the top surface of the balance beam (3) in a mode that piston rods of the two variable tension oil cylinders are vertically upward, and the bottom ends of cylinder barrels of the two variable tension oil cylinders are hinged to the balance beam (3); one end of each of the two variable tension oil cylinder steel wire ropes (9) is hinged to the rod end of the piston rod of each of the two variable tension oil cylinders (8), and the other end of each of the two variable tension oil cylinder steel wire ropes is connected to a crane hook;
the lower layer buffer mechanism comprises a plurality of buffer oil cylinders (16) which are arranged on the top surface of the pile top base (5) along the circumferential direction; each buffer oil cylinder (16) is arranged in a mode that a piston rod of each buffer oil cylinder is vertically upward, and the bottom end of a cylinder barrel of each buffer oil cylinder is fixed on the pile top base (5).
2. The double-layer buffering and butting device for offshore integral installation of wind generating sets according to claim 1, wherein each variable tension oil cylinder (8) is provided with a pressure sensor for monitoring oil pressure change in a cylinder barrel and a displacement sensor for monitoring extension amplitude of a piston rod.
3. The double-layer buffering and butting device for offshore integral installation of wind generating sets according to claim 1, wherein the steel wire rope groups (7) on the beams are composed of four steel wire ropes, an upper beam pulley (12) is arranged on the top surface of the balance beam (3) and close to four top corners respectively, the four steel wire ropes are arranged on the upper beam pulleys (12) in a one-to-one correspondence manner, so that one ends of the four steel wire ropes are respectively connected to the four upper beam pulleys (12), and the other ends of the four steel wire ropes are connected to a crane hook.
4. The double-layer buffering and butting device for offshore integral installation of wind generating sets according to claim 1, wherein the under-beam steel wire rope set (10) is composed of eight steel wires, two under-beam pulleys (13) are respectively arranged on the bottom surface of the balance beam (3) and near four top corners, the eight steel wires are correspondingly arranged at the under-beam pulleys (13), one end of each of the eight steel wires is respectively connected to the eight under-beam pulleys (13), and the other end of each of the eight steel wires vertically falls down and is respectively connected to eight lifting lugs on the tower base (4).
5. The double-layer buffering and butting device for offshore integral installation of wind generating sets according to claim 1, wherein the bottom ends of the cylinder barrels of the two variable-tension oil cylinders (8) are respectively hinged to the balance beam (3) through two beam upper pulleys (12) arranged on the top surface of the balance beam (3).
6. The double-layer buffering and butting device for offshore integral installation of wind generating set according to claim 5, wherein each beam upper pulley (12) for connecting two variable tension cylinder barrels is fixed at the middle point of a connecting line of two beam upper pulleys (12) for connecting the beam upper wire rope groups (7) at the same side.
7. The double-layer buffering and butting device for offshore integral installation of wind generating sets according to claim 1, wherein the lower-layer buffering mechanism further comprises a plurality of oil cylinder bearing discs with the number consistent with that of the buffering oil cylinders (16); the cylinder bearing discs are uniformly distributed on the bottom surface of the tower barrel base (4) along the circumferential direction, and the positions of the cylinder bearing discs are in one-to-one correspondence with the positions of the buffer cylinders (16) arranged on the top surface of the pile top base (5).
8. The double-layer buffering and butting device for offshore integral installation of wind generating set according to claim 1, wherein the lower-layer buffering mechanism further comprises a coarse positioning device which is arranged on the top surface of the pile top base (5) so as to realize the centering of the wind generator tower (2) during the butting process with the pile top base (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793196.6U CN215486378U (en) | 2021-08-03 | 2021-08-03 | Double-layer buffering and butting device for offshore integral installation of wind generating set |
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| CN202121793196.6U CN215486378U (en) | 2021-08-03 | 2021-08-03 | Double-layer buffering and butting device for offshore integral installation of wind generating set |
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| CN215486378U true CN215486378U (en) | 2022-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066303A (en) * | 2023-03-07 | 2023-05-05 | 山西省安装集团股份有限公司 | Wind turbine generator system base hoisting structure and device |
| CN116443709A (en) * | 2023-04-23 | 2023-07-18 | 上海勘测设计研究院有限公司 | Magnetic auxiliary positioning system and method for hoisting wind turbine generator |
-
2021
- 2021-08-03 CN CN202121793196.6U patent/CN215486378U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066303A (en) * | 2023-03-07 | 2023-05-05 | 山西省安装集团股份有限公司 | Wind turbine generator system base hoisting structure and device |
| CN116066303B (en) * | 2023-03-07 | 2023-06-09 | 山西省安装集团股份有限公司 | Wind turbine generator system base hoisting structure and device |
| CN116443709A (en) * | 2023-04-23 | 2023-07-18 | 上海勘测设计研究院有限公司 | Magnetic auxiliary positioning system and method for hoisting wind turbine generator |
| CN116443709B (en) * | 2023-04-23 | 2023-11-14 | 上海勘测设计研究院有限公司 | Magnetic auxiliary positioning system and method for hoisting wind turbine generator |
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