CN212375860U - Pile turning equipment for marine large-diameter steel pipe pile - Google Patents
Pile turning equipment for marine large-diameter steel pipe pile Download PDFInfo
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- CN212375860U CN212375860U CN202021281767.3U CN202021281767U CN212375860U CN 212375860 U CN212375860 U CN 212375860U CN 202021281767 U CN202021281767 U CN 202021281767U CN 212375860 U CN212375860 U CN 212375860U
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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
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Abstract
The utility model discloses a pile turning device for marine large-diameter steel pipe piles, which comprises a pile turning mechanism and a back pulling mechanism which are respectively arranged at the positions of two side ship boards; the pile turning mechanism comprises a pile turning frame and two pile grippers; the pile overturning frame is movably fixed at a ship board through a plurality of supports, so that the pile overturning frame can be overturned from a horizontal state to a vertical state; the openings of the embracing arms of the two pile embracing devices are upwards arranged on the pile overturning frame at intervals, and the pile overturning frame is kept coincident with the central axes of the two embracing arms and is perpendicular to the ship board; the back pulling mechanism comprises a back pulling support frame, a back pulling device and a back pulling steel wire rope; one end of the back pull steel wire rope is arranged on a pile turning frame pulley positioned at the front end of the pile turning frame, and the other end of the back pull steel wire rope is wound on the steel wire rope winding drum by passing around the pulley on the back pull device; this marine major diameter steel-pipe pile turns over a equipment structure is simple, construction convenience, easy operation, can effectively avoid because of major diameter steel-pipe pile weight is great, turns over the problem that a speed of stake is too fast and ship machine equipment collision causes the damage.
Description
Technical Field
The utility model relates to an offshore wind power construction operation technical field, in particular to marine major diameter steel-pipe pile turns over a equipment.
Background
In the construction process of the offshore wind power foundation, the single-pile foundation is widely applied due to the advantages of high bearing capacity, convenience in construction, high construction efficiency and the like. With the increasing power of the offshore wind turbine, the diameter and the pile length of a single-pile foundation are increased, and pile turning is difficult.
The existing pile turning technology mainly comprises a double-hook pile turning technology and a twisting point pile turning technology, wherein the double-hook pile turning technology is that two large hooks of two cranes or a main hook and an auxiliary hook of one crane are respectively connected with two ends of a steel pipe pile, and the steel pipe pile is turned into a vertical state through one-to-one movement of the two hooks after being lifted. The hinge point turns over the stake and sets up a frock hinge point on the platform deck promptly and is connected with the steel-pipe pile bottom, hangs the steel-pipe pile level and puts the back on the deck and lift by crane steel-pipe pile upper end, makes the tower section of thick bamboo trun into vertical state, and it is not enough to need connect and demolish the flange bolt, guarantees the precision that the steel-pipe pile level was placed, and the crane operation degree of difficulty is big, and is consuming time long, longer like the steel-pipe pile, also has high requirement to the captain.
Published patent CN 201822187287.X discloses a pile turning guide device, which comprises a pile turning frame and a turning mechanism, wherein the turning mechanism is detachably mounted on a ship body, the pile turning frame is detachably matched and connected with the turning mechanism, the turning mechanism can drive the pile turning frame to turn, and a tower drum or a foundation pile is detachably mounted in the pile turning frame. The pile-turning device has the functions of turning over a tower barrel and turning over a foundation pile, and also can conveniently have the functions of guiding the lower pile of the foundation pile, rectifying deviation of the piling of the foundation pile and the like; the turning-over action is safe and simple, the foundation pile or the tower drum is equivalently placed on a deck of a ship body, high-risk overhead combined hoisting operation is not needed, the application range is limited, the turning-over device is only suitable for turning over the steel pipe piles with medium and small diameters, and the pile turning-over requirement of the steel pipe piles with large diameters and even ultra-large diameters cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solve present marine major diameter or even super large diameter steel-pipe pile and stand up marine major diameter steel-pipe pile equipment of difficult problem.
Therefore, the utility model discloses technical scheme as follows:
pile turning equipment for large-diameter steel pipe piles on the sea comprises pile turning mechanisms and back pulling mechanisms, wherein the pile turning mechanisms and the back pulling mechanisms are respectively arranged on the side portions of two sides of a crane ship; wherein the content of the first and second substances,
the pile turning mechanism comprises a pile turning frame, an upper layer pile gripper and a lower layer pile gripper; the bottom end of the pile turning frame is movably fixed on the crane ship through a plurality of supports which are arranged on a side board at intervals in a straight line, so that the pile turning frame can be turned from a horizontal state to a vertical state through the plurality of supports; the front end of the pile turning frame is pressed on two turning frame struts symmetrically fixed on the crane ship so that the pile turning frame is initially arranged on the crane ship in a horizontal state; the arm embracing of the upper layer pile embracing device and the arm embracing of the lower layer pile embracing device are arranged on the pile overturning frame at intervals in a mode that the opening direction is upward, and the central axis of the pile overturning frame is kept to be superposed with the central axes of the two arm embracing devices and to be vertical to a side board of the crane ship;
the back pulling mechanism comprises a back pulling support frame, a back pulling device arranged on the inner side of the back pulling support frame and a back pulling steel wire rope arranged between the back pulling device and the pile turning frame; one end of the back pull steel wire rope is wound and fixed on a pile turning frame pulley arranged at the front end of the pile turning frame, and the other end of the back pull steel wire rope is wound around a pulley on the back pull device and wound on a steel wire rope winding drum controlled by a hydraulic device; the height of the back pull support frame is matched with the arrangement position of the embracing arm of the pile embracing device, so that the front end of the steel pipe pile horizontally fixed in the upper layer embracing arm and the lower layer embracing arm of the pile embracing device is press-fitted on the upper end surface of the back pull support frame.
Further, the pile overturning mechanism further comprises a hanging frame, the hanging frame is horizontally arranged on the outer side of the crane ship in a mode that the axial direction of the hanging frame is perpendicular to the side board of the crane ship, the front end of the hanging frame is fixed to the bottom end of the pile overturning frame, and the rear ends of the steel pipe piles horizontally fixed in the embracing arms of the upper layer pile embracing device and the lower layer pile embracing device are in press fit with a bottom end supporting plate of the hanging frame.
Furthermore, two first mounting lug plates are symmetrically arranged on the front end face of the hanging frame, two second mounting lug plates are symmetrically arranged on the bottom end face of the pile turning frame, and the hanging frame and the pile turning frame are movably connected through hanging frame rotating shafts inserted into the two first mounting lug plates and the two second mounting lug plates; limiting plates are further arranged below the two second mounting ear plates, so that the initial state is a horizontal hanging rack which only can be turned upwards to be vertical.
Furthermore, the support is composed of a base, a left bearing seat, a right bearing seat, a main pin, a pressure ring, a joint bearing, a shaft sleeve and a pressure plate; the main pin is inserted and fixed in radial through holes symmetrically formed in the left bearing seat and the right bearing seat; the shaft sleeve, the knuckle bearing and the pressure ring are sequentially sleeved and fixed on the outer side of the main pin, so that the pressure ring can freely rotate around the axis of the pressure ring under the action of the knuckle bearing and can transversely incline at a small angle.
Compared with the prior art, the offshore large-diameter steel pipe pile turning equipment is simple in structure, convenient to construct corresponding pile turning and easy to operate, and can effectively avoid the problem of damage caused by collision of the large-diameter steel pipe pile with ship-machine equipment due to the fact that the pile turning speed is too high and the large-diameter steel pipe pile is heavy through the auxiliary control of the back pulling device; meanwhile, the support of the pile turning frame is designed to rotate in the vertical direction and tilt at a small angle along the horizontal direction, so that the problem of damage caused by collision with ship equipment when a large-diameter steel pipe pile tilts left and right during pile turning is effectively avoided; in addition, the hanging rack can be retracted to be in a vertical state when not in use, so that the occupied area of a sea area is reduced, and the ship moving and locating efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the offshore large-diameter steel pipe pile overturning equipment of the present invention;
fig. 2 is a plan layout drawing 1 of the offshore large-diameter steel pipe pile overturning equipment of the present invention;
fig. 3 is a plan layout drawing 2 of the offshore large-diameter steel pipe pile overturning equipment of the present invention;
fig. 4 is a schematic structural diagram of the initial hoisting state of the offshore large-diameter steel pipe pile overturning equipment of the present invention;
fig. 5 is a schematic structural diagram of the pile overturning device for the offshore large-diameter steel pipe pile of the present invention during the overturning process;
FIG. 6 is a side view of the offshore large-diameter steel pipe pile overturning equipment of the present invention completing pile overturning;
FIG. 7 is a top view of the offshore large-diameter steel pipe pile overturning equipment for completing pile overturning;
fig. 8 is a schematic structural view of the pile-embracing arm on the pile-turning frame of the offshore large-diameter steel pipe pile-turning device of the present invention in an open state;
fig. 9 is a schematic structural view of the closed state of the embracing arm on the pile turning frame of the offshore large-diameter steel pipe pile turning equipment of the present invention;
fig. 10 is a schematic structural view of the hanging rack of the offshore large-diameter steel pipe pile overturning equipment of the present invention overturning to a vertical state;
fig. 11 is the utility model discloses a structural schematic of the support of marine major diameter steel-pipe pile equipment of overturning.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention. For convenience of explanation, in the description of the pile-turning mechanism, the front end of each component means one end close to the inside of the hull, and correspondingly, the bottom end of each component means one end close to the outside of the hull.
As shown in fig. 1 to 3, the offshore large-diameter steel pipe pile overturning equipment comprises a pile overturning mechanism and a back pulling mechanism which are respectively arranged on the side of a ship on two sides of a crane ship 10; wherein the content of the first and second substances,
the pile turning mechanism comprises a hanging frame 1, a pile turning frame 4, an upper layer pile embracing device 8 and a lower layer pile embracing device 9; in particular, the amount of the solvent to be used,
the pile overturning frame 4 is a truss horizontally arranged on the crane ship 10, and the bottom end of the pile overturning frame is movably fixed on the crane ship 10 through three support seats 2 which are arranged on a side board 16 at intervals in a straight line manner, so that the pile overturning frame 4 can be overturned from a horizontal state to a vertical state through the three support seats 2;
as shown in fig. 11, the support 2 is composed of a base 2a, a left bearing seat 2b, a right bearing seat 2c, a main pin 2d, a press ring 2e, a knuckle bearing 2f, a shaft sleeve 2g and a press plate 2 h; the base 2a is fixed on a ship board through bolts, the left bearing seat 2b and the right bearing seat 2c are symmetrically fixed on two sides of the base 2a, and the main pin 2d is inserted and fixed in radial through holes symmetrically formed in the left bearing seat 2b and the right bearing seat 2 c; the shaft sleeve 2g, the knuckle bearing 2f and the press ring 2e are sequentially sleeved and fixed on the outer side of the main pin 2d, so that the press ring 2e can freely rotate around the axis thereof under the action of the knuckle bearing 2f and can be inclined at a small angle along the transverse direction;
when the three supports 2 are specifically arranged, the three supports 2 are respectively arranged at two sides and the middle of the bottom end of the pile overturning frame 4, so that a certain margin is left between the supports 2 in the extending direction of the ship board, and the pile overturning frame 4 can be ensured to incline at an angle of not more than 10 degrees in the extending direction of the ship board;
two overturning frame struts 5 are symmetrically arranged on the crane ship 10, so that two sides of the front end of the pile overturning frame 4 are respectively press-fitted on the two overturning frame struts 5 to keep the pile overturning frame 4 arranged on the crane ship 10 in a horizontal state; the arm of the upper layer pile gripper 8 and the arm of the lower layer pile gripper 9 are welded and fixed on the front end face and the bottom end face of the pile overturning frame 4 in a mode that the opening direction is upward, and the central axis of the pile overturning frame 4 is kept coincident with the central axes of the two arm grippers and is perpendicular to a side board of the crane ship 10; the arm embracing hydraulic control device 11 for controlling the opening and closing states of the arms of the upper layer pile embracing device 8 and the lower layer pile embracing device 9 is arranged at the adjacent side of the pile embracing devices and is fixed on the crane ship 10;
the hanger 1 is a truss structure with a horizontal supporting plate at the bottom end, is horizontally arranged outside the crane ship 10 in a mode that the axial direction is vertical to the side board of the crane ship 10, and the front end of the truss structure is fixed at the bottom end of the pile turning frame 4, so that the rear ends of the steel pipe piles horizontally fixed in the arm clasps of the upper pile clasper 8 and the lower pile clasper 9 are in press fit with the bottom end supporting plate of the hanger 1;
two first mounting lug plates are symmetrically arranged on the front end face of the hanger 1, correspondingly, two second mounting lug plates are symmetrically arranged on the front end face of the upper layer pile gripper 8, so that the hanger 1 and the upper layer pile gripper 8 form movable connection through a hanger rotating shaft 14 inserted in the two first mounting lug plates and the two second mounting lug plates; meanwhile, limiting plates are arranged below the two second mounting lug plates, so that the hanger 1 which is horizontally arranged in the initial state can only be turned upwards to be in a vertical state;
the back pulling mechanism comprises a back pulling support frame 7, a back pulling device 6 arranged on the inner side of the back pulling support frame 7 and a back pulling steel wire rope 21 arranged between the back pulling device 6 and the pile turning frame 4; one end of a back pull steel wire rope 21 is wound and fixed on a pile turning frame pulley 20 arranged at the front end of the pile turning frame 4, and the other end of the back pull steel wire rope is wound around a pulley on the back pull device 6 and wound on a steel wire rope reel 11 controlled by a hydraulic device; the height of the back pull support frame 7 is matched with the arrangement position of the embracing arm of the pile embracing device, so that the front end of the steel pipe pile horizontally fixed in the embracing arm of the upper layer pile embracing device 8 and the front end of the steel pipe pile horizontally fixed in the embracing arm of the lower layer pile embracing device 7 are press-fitted on the upper end surface of the back pull support frame 7;
in order to control the pile turning equipment conveniently, a control platform 13 is arranged on the crane ship 10, and a back-pull steel wire rope winding and unwinding control button and an arm-embracing opening and closing control button are arranged on the control platform 13; the back-pull steel wire rope winding and unwinding control button is electrically connected with a hydraulic device for controlling the steel wire rope winding drum 11, so that an operator controls the back-pull steel wire rope 21 to be tightened or released through the back-pull steel wire rope winding and unwinding control button; the arm opening and closing control button is electrically connected with the arm hydraulic control device, so that an operator can control the synchronous opening or synchronous closing of the arms of the two pile embracing devices through the arm opening and closing control button.
A pile turning construction method realized by the offshore large-diameter steel pipe pile turning equipment comprises the following steps:
s1, as shown in fig. 1 and 8, after the crane ship 10 is parked, the frame 1 and the pile-turning frame 4 are hung and placed in a horizontal state; the arm-embracing hydraulic control device controls the arm-embracing of the upper layer pile-embracing device 8 and the lower layer pile-embracing device 9 to be in an opening state;
s2, as shown in fig. 2 and 3, horizontally placing the large-diameter steel pipe pile 17 inside the arms of the upper layer pile gripper 8 and the lower layer pile gripper 9 by using the crane 15 arranged on the crane ship 10, placing the front end of the large-diameter steel pipe pile 17 on the upper end surface of the back pull support frame 7, and placing the bottom end of the large-diameter steel pipe pile 17 on the bottom end supporting plate of the pylon 1; the embracing arms of the upper layer pile embracing device 8 and the lower layer pile embracing device 9 are controlled to be closed through an embracing arm hydraulic control device, and an inserted bolt 23 at the opening and closing end of each embracing arm is further fixed; then, the arm-embracing pushing device 22 is used for adjusting the large-diameter steel pipe pile 17 to be arranged at the inner sides of the two arm-embracing parts in the center;
s3, as shown in the figures 4-5, the crane 15 hoists the two lifting lugs 18 on the large-diameter steel pipe pile 17 through the hoisting steel wire rope 19 to slowly lift the large-diameter steel pipe pile 17; meanwhile, the back-pull device 6 is controlled by controlling the hydraulic device of the wire rope reel 11 to slowly release the back-pull wire rope 21, and the releasing speed of the back-pull wire rope is kept consistent with the lifting speed of the large-diameter steel pipe pile 17 until the large-diameter steel pipe pile 17 is turned over to be in a vertical state, as shown in fig. 6, 7 and 9;
s4, as shown in FIG. 8, the arm-embracing hydraulic control device controls the arm-embracing opening of the upper layer pile-embracing device 8 and the lower layer pile-embracing device 9, and the crane 15 lifts the turned large-diameter steel pipe pile 17 to a construction area through a lifting steel wire rope 19 for construction;
s5, after the construction is finished, the crane 15 unloads the hoisting steel wire rope 19 from the large-diameter steel pipe pile 17 and fixes the hoisting steel wire rope 19 on the lifting lug of the pile overturning frame 4, and the pile overturning frame 4 is slowly lowered by releasing the hoisting steel wire rope 19 through the crane; meanwhile, the back pulling device 6 is controlled by controlling the hydraulic device of the steel wire rope reel 11 to slowly tighten the back pulling steel wire rope 21, the tightening speed of the back pulling device is kept consistent with the speed of lowering the pile turning frame 4 by the crane until the pile turning frame returns to the horizontal arrangement state again, the front end of the pile turning frame is pressed on the pile turning frame support 5 again, and the pile turning construction process of the large-diameter steel pipe pile 17 is completed.
And if a plurality of large-diameter steel pipe piles are required to be constructed in the area, continuing to hoist the next large-diameter steel pipe pile 17, and repeating the steps S2-S5 until the construction operation of the area is completed.
When the next area construction is required, as shown in fig. 10, the pylon 1 is rotated to the vertical state by the pylon rotating shaft 14 and fixed, then the crane ship 15 is moved to the next area to be parked, and the above steps S1 to S5 are repeated.
Claims (4)
1. Pile turning equipment for large-diameter steel pipe piles on the sea is characterized by comprising pile turning mechanisms and back pulling mechanisms, wherein the pile turning mechanisms and the back pulling mechanisms are respectively arranged on ship boards on two sides of a crane ship (10); wherein the content of the first and second substances,
the pile turning mechanism comprises a pile turning frame (4), an upper layer pile embracing device (8) and a lower layer pile embracing device (9); the bottom end of the pile turning frame (4) is movably fixed on a crane ship (10) through a plurality of supports (2) which are arranged on a side board (16) at intervals in a straight line, so that the pile turning frame (4) can be turned from a horizontal state to a vertical state through the plurality of supports (2); the front end of the pile turning frame (4) is pressed on two turning frame struts (5) symmetrically fixed on the crane ship (10) so that the pile turning frame (4) is initially arranged on the crane ship (10) in a horizontal state; arms of the upper layer pile embracing device (8) and arms of the lower layer pile embracing device (9) are arranged on the pile turning frame (4) at intervals in a mode that the opening direction is upward, and the central axis of the pile turning frame (4) is kept to be coincident with the central axes of the arms of the two pile embracing devices and perpendicular to a side board of the crane ship (10);
the back pulling mechanism comprises a back pulling support frame (7), a back pulling device (6) arranged on the inner side of the back pulling support frame (7), and a back pulling steel wire rope (21) arranged between the back pulling device (6) and the pile turning frame (4); one end of a back pull steel wire rope (21) is wound and fixed on a pile turning frame pulley (20) arranged at the front end of the pile turning frame (4), and the other end of the back pull steel wire rope is wound around a pulley on the back pull device (6) and wound on a steel wire rope reel (11) controlled by a hydraulic device; the height of the back pull support frame (7) is matched with the height of the arm of the pile embracing device, so that the front end of the steel pipe pile horizontally fixed in the arm of the upper layer pile embracing device (8) and the arm of the lower layer pile embracing device (9) can be press-fitted on the upper end surface of the back pull support frame (7).
2. The offshore large-diameter steel pipe pile overturning equipment according to claim 1, wherein the pile overturning mechanism further comprises a hanging frame (1) which is horizontally arranged on the outer side of the crane ship (10) in a mode that the axial direction is perpendicular to the side of the crane ship (10), the front end of the hanging frame is fixed to the bottom end of the pile overturning frame (4), and the rear ends of the steel pipe piles horizontally fixed in the embracing arms of the upper layer pile embracing device (8) and the lower layer pile embracing device (9) can be press-fitted on a bottom end supporting plate of the hanging frame (1).
3. The offshore large-diameter steel pipe pile overturning equipment according to claim 2, wherein two first mounting lug plates are symmetrically arranged on the front end face of the hanging frame (1), two second mounting lug plates are symmetrically arranged on the bottom end face of the pile overturning frame (4), and the hanging frame (1) and the pile overturning frame (4) are movably connected through a hanging frame rotating shaft (14) inserted into the two first mounting lug plates and the two second mounting lug plates; limiting plates are further arranged below the two second mounting ear plates, so that the initial state is a horizontal hanging rack (1) which can only be turned upwards to be vertical.
4. The offshore large-diameter steel pipe pile overturning equipment according to claim 1, wherein the support (2) is composed of a base (2a), a left bearing seat (2b), a right bearing seat (2c), a main pin (2d), a pressure ring (2e), a joint bearing (2f), a shaft sleeve (2g) and a pressure plate (2 h); the base (2a) is fixed on a ship board through bolts, the left bearing seat (2b) and the right bearing seat (2c) are symmetrically fixed on two sides of the base (2a), and the main pins (2d) are inserted and fixed in radial through holes symmetrically formed in the left bearing seat (2b) and the right bearing seat (2 c); the shaft sleeve (2g), the knuckle bearing (2f) and the pressing ring (2e) are sequentially sleeved and fixed on the outer side of the main pin (2d), so that the pressing ring (2e) can freely rotate around the axis of the pressing ring under the action of the knuckle bearing (2f) and can be inclined at a small angle along the transverse direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021281767.3U CN212375860U (en) | 2020-07-02 | 2020-07-02 | Pile turning equipment for marine large-diameter steel pipe pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021281767.3U CN212375860U (en) | 2020-07-02 | 2020-07-02 | Pile turning equipment for marine large-diameter steel pipe pile |
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| CN212375860U true CN212375860U (en) | 2021-01-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872844A (en) * | 2022-05-31 | 2022-08-09 | 中国华能集团清洁能源技术研究院有限公司 | Upright column fan transport ship and offshore fan installation equipment |
| CN117905644A (en) * | 2023-12-08 | 2024-04-19 | 广东精铟海洋工程股份有限公司 | Fan tower drum overturning device and method |
-
2020
- 2020-07-02 CN CN202021281767.3U patent/CN212375860U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872844A (en) * | 2022-05-31 | 2022-08-09 | 中国华能集团清洁能源技术研究院有限公司 | Upright column fan transport ship and offshore fan installation equipment |
| CN117905644A (en) * | 2023-12-08 | 2024-04-19 | 广东精铟海洋工程股份有限公司 | Fan tower drum overturning device and method |
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