Offshore wind turbine construction apparatus and method suitable for rough sea conditions

Abstract

The application discloses a kind of offshore wind turbine construction equipment suitable for severe sea conditions and method thereof, belong to wind turbine installation technical field, a kind of offshore wind turbine construction equipment suitable for severe sea conditions, including transport ship, auxiliary construction floating platform and wind turbine foundation tower, mechanical arm and multiple cranes are installed on transport ship, auxiliary construction floating platform includes fixed platform, two pairs of floating columns are fixedly connected on the outer wall of fixed platform, floating column includes support rod, the bottom end of support rod is fixedly connected with inflatable float plate, movable sleeve is slidably connected on support rod, electric push rod is connected between movable sleeve and fixed platform, buffer air bag is fixedly connected on movable sleeve, suction pump is connected between buffer air bag and inflatable float plate, the scheme can be realized when wind turbine is installed in complex sea conditions area, the stability and accuracy of wind turbine foundation tower when with wind turbine base docking can be guaranteed, so that wind turbine base is not prone to dislocation and accidental collision during hoisting process.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of fan installation technology, in particular to a sea fan construction equipment suitable for severe sea conditions and a method thereof. BACKGROUND

[0002] The sea fan installation construction includes the following procedures: the fan installation platform ship is in place, the fan equipment transport ship is anchored in place, the fan equipment is hoisted, the fan equipment transport ship is anchored and withdrawn, the fan installation platform ship is withdrawn, etc. Each procedure is affected by the hydrological and meteorological conditions of the construction sea area. Moreover, the shape size, draft and wind and wave resistance of the equipment transport ship are far inferior to those of the fan installation platform ship. Therefore, the procedure involving the equipment transport ship is particularly affected by the hydrological and meteorological conditions, which is the bottleneck of the sea fan.

[0003] At present, the sea fan installation construction can only be carried out during good sea conditions. It is still a blank to carry out the sea fan installation construction in severe sea conditions with strong swell and fast flow. When the fan is installed in a complex sea condition area, the hoisting ship often appears misalignment and collision due to the influence of wind and wave caused by severe sea conditions, and the installation of the fan is inconvenient. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the purpose of the present application is to provide a sea fan construction equipment suitable for severe sea conditions and a method thereof. The present application can ensure the stability and accuracy of the fan foundation tower when it is docked with the fan base, so that the fan base is not prone to misalignment and accidental collision during hoisting.

[0006] 2. Technical scheme

[0007] To solve the above problems, the present application adopts the following technical scheme.

[0008] The utility model provides a kind of offshore wind turbine construction equipment suitable for rough sea conditions, including transport ship, auxiliary construction floating platform and wind turbine foundation tower, transport ship is equipped with mechanical arm and multiple cranes, auxiliary construction floating platform includes fixed platform, two pairs of floating columns are fixedly connected on the outer wall of fixed platform, floating column includes support rod, the bottom end of support rod is fixedly connected with inflatable float plate, slidingly connected with movable sleeve on support rod, electric push rod is connected between movable sleeve and fixed platform, buffer air bag is fixedly connected on movable sleeve, suction pump is connected between buffer air bag and inflatable float plate, the input end of suction pump is connected with inflatable float plate, the output end of suction pump is connected with electromagnetic three-way valve, one output end of electromagnetic three-way valve is connected with buffer air bag, another end of electromagnetic three-way valve is connected with exhaust valve, hydraulic rod is connected between buffer air bag and fixed platform, the middle part of fixed platform is provided with mounting hole, wind turbine base is rotatably connected in mounting hole, wind turbine base is fixedly connected with section tower barrel, the top of wind turbine foundation tower is fixedly connected with flange ring matched with section tower barrel;

[0009] The present scheme can ensure the stability and accuracy of the wind turbine foundation tower when it is docked with the wind turbine base, so that the wind turbine base is not easily dislocated or accidentally collided during hoisting.

[0010] Further, the wind turbine base includes a flange joint matched with the flange ring, and a wind turbine tower base matched with the section tower barrel is fixedly connected to the flange joint. The wind turbine base is integrally fixed with the section tower barrel, facilitating the subsequent docking and installation of the wind turbine tower.

[0011] Further, a plurality of evenly distributed slot holes are formed in the flange ring, and the slot holes are circumferentially distributed. A plurality of insertion holes matched with the slot holes are formed in the wind turbine base.

[0012] Further, the mounting hole is provided with a pair of movable clamps matched with the wind turbine base. An annular sliding groove is formed in the end of the movable clamp close to the wind turbine base. A slip ring matched with the annular sliding groove is fixedly connected to the outer wall of the wind turbine base. A pair of mounting grooves are formed in the inner wall of the mounting hole. A fixed rod is slidingly connected in the mounting groove. One end of the fixed rod is fixedly connected with the wind turbine base. A hydraulic rod is connected between the other end of the fixed rod and the bottom end of the mounting groove. After the installation of the wind turbine base is completed, the movable clamp can be separated from the wind turbine base, so that the crane can hoist and recover the auxiliary construction floating platform.

[0013] Further, when the buffer air bag is fully inflated, the distance between the buffer air bag and the wind turbine foundation tower is 10-15 cm.

[0014] Further, a safety guardrail is fixedly connected to the top end of the fixed platform. An installation through hole is formed in the fixed platform. A movable door is installed in the through hole. A folding ladder matched with the movable door is fixedly connected to the bottom end of the fixed platform.

[0015] Further, the bottom end of the fixed platform is fixedly connected with a buffer ring matched with the wind turbine foundation tower.

[0016] Further, the auxiliary construction floating platform is loaded with a platform control system, which comprises a controller installed in the fixed platform, and the hydraulic rod, the electric push rod and the air pump 305 are electrically connected with the controller.

[0017] A wind turbine construction device suitable for severe sea conditions, and a specific construction method comprises:

[0018] S1, the transport ship is navigated to the vicinity of the wind turbine foundation tower and is parked;

[0019] S2, after the inflatable floating plate is inflated, the wind turbine installation technician enters the fixed platform and takes safety protection measures;

[0020] S3, the auxiliary construction floating platform is thrown into the sea area at the wind turbine foundation tower through the boom, so that the two pairs of floating columns surround the wind turbine foundation tower, and the fixed platform is suspended above the wind turbine foundation tower, at this time, the technician on the fixed platform controls the air pump to work, so that the gas in the inflatable floating plate is transferred to the buffer air bag, and the buffer air bag is inflated;

[0021] S4, as the gas in the inflatable floating plate decreases, the buoyancy of the inflatable floating plate decreases, and the auxiliary construction floating platform gradually sinks until the fixed platform is close to the wind turbine foundation tower;

[0022] S5, after the fixed platform is close to the wind turbine foundation tower, the air pump stops working, at this time, the buffer air bag is in an inflated state, and when the auxiliary construction floating platform is affected by wind and waves, the two pairs of buffer air bags are used for buffering to reduce the shaking of the auxiliary construction floating platform caused by the wind and waves;

[0023] S6, finally, the technician on the fixed platform remotely controls the crane to adjust the segment tower cylinder after clamping, so that the wind turbine base is matched with the flange ring on the wind turbine foundation tower, the air pump and the exhaust valve are opened, and the gas in the inflatable floating plate is completely discharged through the exhaust valve, at this time, the auxiliary construction floating platform completely descends until the fixed platform contacts the wind turbine foundation tower;

[0024] S7, finally, the technician can install the anchoring bolt and weld the fixed platform between the wind turbine base and the fixed platform, and then hoist other parts of the wind turbine on the segment tower cylinder in sequence to complete the installation of the wind turbine.

[0025] Further, after the auxiliary construction floating platform is thrown into the water in the S3 step, the technician can adjust the distance between the buffer air bag and the water surface by controlling the electric push rod, so that the buffer air bag is not easy to contact the water surface during the sinking process of the auxiliary construction floating platform, the buffer air bag does not contact the water surface, and the buoyancy of the buffer air bag does not affect the sinking speed of the auxiliary construction floating platform.

[0026] 3. Benefits

[0027] Compared with the prior art, the advantages of the present application are:

[0028] (1) The scheme can ensure the stability and accuracy of the wind turbine foundation tower when it is docked with the wind turbine base, so that the wind turbine base is not prone to misalignment and accidental collision during hoisting due to wind and waves.

[0029] (2) The installation hole is provided with a pair of movable clamps matched with the wind turbine base, an annular sliding groove is formed at one end of the movable clamp close to the wind turbine base, a sliding ring matched with the annular sliding groove is fixedly connected to the outer wall of the wind turbine base, a pair of installation grooves are formed in the inner wall of the installation hole, a fixed rod is slidably connected in the installation groove, one end of the fixed rod is fixedly connected with the wind turbine base, and a hydraulic rod is connected between the other end of the fixed rod and the bottom end of the installation groove. After the installation of the wind turbine base is completed, the movable clamp can be separated from the wind turbine base, so that the crane can lift and recover the auxiliary construction floating platform.

[0030] (3) A plurality of evenly distributed slot holes are formed on the flange ring, the plurality of slot holes are circumferentially distributed, a plurality of insertion holes matched with the slot holes are formed on the wind turbine base, the wind turbine base comprises a flange joint matched with the flange ring, the flange joint is fixedly connected with a wind turbine tower base matched with the segmented tower barrel, and the wind turbine base is integrally fixed with the segmented tower barrel, facilitating subsequent docking and installation of the wind turbine tower.

[0031] (4) After the auxiliary construction floating platform is put into water in the S3 step, the technician can adjust the distance between the buffer air bag and the water surface by controlling the electric push rod, so that the buffer air bag is not easy to contact with the water surface during the sinking process of the auxiliary construction floating platform. The buffer air bag does not contact with the water surface, so as to avoid the influence of the buoyancy of the buffer air bag on the sinking speed of the auxiliary construction floating platform. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a perspective view of the wind turbine installation of the present application when completed;

[0033] Figure 2 is a sectional view of the present application;

[0034] Figure 3 is Figure 2 is a structural schematic view of A in the middle;

[0035] Figure 4 is a partial sectional view of the present application at the support rod;

[0036] Figure 5 is a front view of the wind turbine installation of the present application when completed;

[0037] Figure 6Fig. 1 is a top view of the fan installation according to the present application;

[0038] Figure 7 Fig. 2 is a schematic view of the structure of the fan installation according to the present application.

[0039] Fig. 3 is a label explanation of the drawings.

[0040] 1 fan base tower, 2 fixed platform, 3 floating column, 301 support pole, 302 inflatable floating plate, 303 movable sleeve, 304 buffer air bag, 305 air pump, 4 fan base, 5 segment tower drum, 6 movable clamp, 7 buffer ring. DETAILED DESCRIPTION

[0041] The technical solutions will be described clearly and completely in this embodiment 1 in combination with the disclosed drawings, so that the purpose, technical solutions and beneficial effects of the present disclosure are more clear. Obviously, the described embodiment is part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present disclosure.

[0042] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood as the conventional meanings understood by those skilled in the art to which the present disclosure belongs. The "first", "second" and similar words used in the present disclosure do not represent any order, number or importance, but are only used to distinguish different components. The words such as "include" and "comprise" mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, and do not exclude other elements or objects. "Up", "down", "inner", "outer" and the like are only used to represent relative positional relationship, and when the absolute position of the described object is changed, the relative positional relationship may also be changed accordingly.

[0043] Embodiment:

[0044] Please refer to Figures 1-6The utility model provides a kind of offshore wind turbine construction equipment suitable for severe sea conditions, including transport ship, auxiliary construction floating platform and wind turbine foundation tower 1, mechanical arm and multiple cranes are installed on transport ship, auxiliary construction floating platform includes fixed platform 2, the top of fixed platform 2 is fixedly connected with safety guardrail, installation through-hole is opened in fixed platform 2, movable door is installed in through-hole, the bottom of fixed platform 2 is fixedly connected with the folding ladder matched with movable door, to facilitate the safety of technician on fixed platform 2.The bottom of fixed platform 2 is fixedly connected with the buffer ring 7 matched with wind turbine foundation tower 1, to reduce the impact force generated when fixed platform 2 and wind turbine foundation tower 1 contact.The outer wall of fixed platform 2 is fixedly connected with two pairs of floating column 3, floating column 3 includes support rod 301, support rod 301 is fixedly connected with inflatable float plate 302 on the bottom, inflatable float plate 302 is equipped with inflation interface, movable sleeve 303 is slidably connected on support rod 301, electric push rod is connected between movable sleeve 303 and fixed platform 2, buffer air bag 304 is fixedly connected on movable sleeve 303, adjacent two buffer air bags 304 are connected with wave protection plate.

[0045] Please refer to Figure 3 The middle part of fixed platform 2 is provided with mounting hole, wind turbine base 4 is rotatably connected in mounting hole, segment tower barrel 5 is fixedly connected on wind turbine base 4, the top of wind turbine foundation tower 1 is fixedly connected with flange ring matched with segment tower barrel 5;Wind turbine base 4 includes flange joint matched with flange ring, wind turbine tower barrel base matched with segment tower barrel 5 is fixedly connected on flange joint, wind turbine base 4 is integrally fixed with segment tower barrel 5, to facilitate the butt joint installation of subsequent wind turbine tower barrel, a plurality of evenly distributed slot holes are formed on flange ring, and the plurality of slot holes are circumferentially distributed, a plurality of insertion holes matched with slot holes are formed on wind turbine base 4.The mounting hole is provided with a pair of movable clamps 6 matched with wind turbine base 4, and the end of the movable clamp 6 close to the wind turbine base 4 is provided with an annular sliding groove, the outer wall of the wind turbine base 4 is fixedly connected with a sliding ring matched with the annular sliding groove, a pair of mounting grooves are formed on the inner wall of the mounting hole, a fixed rod is slidably connected in the mounting groove, one end of the fixed rod is fixedly connected with the wind turbine base 4, and the other end of the fixed rod is connected with the bottom end of the mounting groove through a hydraulic rod, after the installation of wind turbine base 4 is completed, the movable clamp 6 can be separated from the wind turbine base 4, so that the crane can lift the auxiliary construction floating platform for recycling.

[0046] Please refer to Figure 4, the buffer air bag 304 is connected with the inflatable float plate 302 through the air pump 305, when the buffer air bag 304 is fully inflated, the distance between the buffer air bag 304 and the fan foundation tower 1 is 10-15cm. The input end of the air pump 305 is connected with the inflatable float plate 302, the output end of the air pump 305 is connected with the electromagnetic three-way valve, one output end of the electromagnetic three-way valve is connected with the buffer air bag 304, the other output end of the electromagnetic three-way valve is connected with the exhaust valve, when the buffer air bag 304 is fully inflated, the gas in the inflatable float plate 302 is discharged through the exhaust valve, the buffer air bag 304 is connected with the fixed platform 2 through the hydraulic rod;

[0047] The auxiliary construction floating platform is loaded with a platform control system, the platform control system includes a controller installed in the fixed platform 2, the hydraulic rod, the electric push rod and the air pump 305 are electrically connected with the controller.

[0048] Please refer to Figures 1-5 and Figure 7 , a method for offshore wind turbine construction in severe sea conditions, the specific construction method includes:

[0049] S1, the transport ship sails to the vicinity of the fan foundation tower 1 and stops;

[0050] S2, after inflating the inflatable float plate 302, the fan installation technician enters the fixed platform 2 and takes safety protection measures;

[0051] S3, the auxiliary construction floating platform is thrown into the sea area near the fan foundation tower 1 through the boom, so that the two pairs of floating columns 3 surround the fan foundation tower 1, and the fixed platform 2 is suspended above the fan foundation tower 1, at this time, the technician on the fixed platform 2 controls the air pump 305 to work, so that the gas in the inflatable float plate 302 is transferred to the buffer air bag 304, and the buffer air bag 304 is inflated;

[0052] S4, because the gas in the inflatable float plate 302 is reduced, the buoyancy of the inflatable float plate 302 is reduced, and the auxiliary construction floating platform gradually sinks, until the fixed platform 2 is close to the fan foundation tower 1 at a distance of 0.5-1M.

[0053] S5, after the fixed platform 2 is close to the fan foundation tower 1, the air pump 305 stops working, at this time, the buffer air bag 304 is in an inflated state, when the auxiliary construction floating platform is affected by wind and waves, the two pairs of buffer air bags 304 are used for buffering, reducing the shaking of the auxiliary construction floating platform caused by wind and waves, after the auxiliary construction floating platform is put into water, the technician can adjust the distance between the buffer air bag 304 and the water surface through the electric push rod, so that the buffer air bag 304 is not easy to contact with the water surface during the sinking process of the auxiliary construction floating platform, the buffer air bag 304 does not contact with the water surface, avoiding the influence of the buoyancy of the buffer air bag 304 on the sinking speed of the auxiliary construction floating platform;

[0054] S6, the last technician on the fixed platform 2 remote control crane segment tower 5 after the adjustment, the fan base 4 and the flange ring on the fan foundation tower 1 match, open the exhaust pump 305 and exhaust valve, the gas in the inflatable float plate 302 through the exhaust valve is completely discharged, at this time the auxiliary construction floating platform is completely lowered until the fixed platform 2 and the fan foundation tower 1 contact;

[0055] S7, the last technician can install anchor bolt and welding between the fan base 4 and the fixed platform 2, then hoist other parts of the fan on the segment tower 5 in turn, the installation of the fan can be completed.

[0056] The scheme can ensure the stability and accuracy of the fan foundation tower 1 when it is docked with the fan base 4, so that the fan base 4 is not prone to misalignment and accidental collision during hoisting.

[0057] The above is only the preferred specific implementation of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical solution and the improvement concept of the present application, within the technical range disclosed by the present application, any equivalent replacement or change, should be covered within the protection scope of the present application.

Claims

1. Offshore wind turbine construction equipment suitable for rough sea conditions, comprising a transport vessel, an auxiliary construction floating platform and a wind turbine foundation tower (1), said transport vessel being equipped with a mechanical arm and a plurality of cranes, characterised in that: The auxiliary construction floating platform comprises a fixed platform (2), two pairs of floating columns (3) are fixedly connected to the outer wall of the fixed platform (2), the floating column (3) comprises a supporting rod (301), the bottom end of the supporting rod (301) is fixedly connected with an inflatable floating plate (302), a movable sleeve (303) is slidably connected to the supporting rod (301), an electric push rod is connected between the movable sleeve (303) and the fixed platform (2), a buffer air bag (304) is fixedly connected to the movable sleeve (303), an air pump (305) is connected between the buffer air bag (304) and the inflatable floating plate (302), the input end of the air pump (305) is connected with the inflatable floating plate (302), an electromagnetic three-way valve is connected to the output end of the air pump (305), one output end of the electromagnetic three-way valve is connected with the buffer air bag (304), the other end of the electromagnetic three-way valve is connected with an exhaust valve, a hydraulic rod is connected between the buffer air bag (304) and the fixed platform (2), a mounting hole is formed in the middle of the fixed platform (2), a fan base (4) is rotatably connected in the mounting hole, a segmented tower cylinder (5) is fixedly connected to the fan base (4), and a flange ring matched with the segmented tower cylinder (5) is fixedly connected to the top end of the fan foundation tower (1).

2. An offshore windmill construction apparatus suitable for rough sea conditions according to claim 1, characterized in that: The fan base (4) comprises a flange joint matched with the flange ring, and the flange joint is fixedly connected with a fan tower cylinder base matched with the segmented tower cylinder (5).

3. An offshore wind turbine installation vessel suitable for rough sea conditions according to claim 2, characterized in that: A plurality of uniformly distributed slot holes are formed in the flange ring, and the slot holes are circumferentially distributed, and a plurality of insertion holes matched with the slot holes are formed in the fan base (4).

4. An offshore wind turbine installation vessel suitable for rough sea conditions according to claim 3, characterized in that: The mounting hole is provided with a pair of movable clamps (6) matched with the fan base (4), an annular sliding groove is formed in one end of the movable clamp (6) close to the fan base (4), a sliding ring matched with the annular sliding groove is fixedly connected to the outer wall of the fan base (4), a pair of mounting grooves are formed in the inner wall of the mounting hole, a fixed rod is slidably connected in the mounting groove, one end of the fixed rod is fixedly connected with the fan base (4), and a hydraulic rod is connected between the other end of the fixed rod and the bottom end of the mounting groove.

5. An offshore wind turbine installation vessel suitable for rough sea conditions according to claim 4, characterized in that: When the buffer air bag (304) is fully inflated, the distance between the buffer air bag (304) and the fan foundation tower (1) is 10-15 cm.

6. An offshore windmill construction apparatus suitable for rough sea conditions according to claim 5, characterized in that: A safety guardrail is fixedly connected to the top end of the fixed platform (2), a mounting through hole is formed in the fixed platform (2), a movable door is mounted in the through hole, and a folding ladder matched with the movable door is fixedly connected to the bottom end of the fixed platform (2).

7. An offshore windmill construction apparatus suitable for rough sea conditions according to claim 6, characterized in that: The bottom end of the fixed platform (2) is fixedly connected with a buffer ring (7) matched with the fan foundation tower (1).

8. An offshore windmill construction apparatus suitable for rough sea conditions according to claim 7, characterized in that: The auxiliary construction floating platform is loaded with a platform control system, the platform control system comprises a controller mounted in the fixed platform (2), and the hydraulic rod, the electric push rod and the air pump (305) are electrically connected with the controller.

9. A method of offshore wind turbine construction suitable for rough sea conditions, comprising the offshore wind turbine construction apparatus of claim 8, characterized in that: The specific construction method comprises: S1, the transport ship sails to the vicinity of the fan foundation tower (1) and stops; S2, after the inflatable floating plate (302) is inflated, the fan installation technician enters the fixed platform (2) and takes safety protection measures; S3, the auxiliary construction floating platform is thrown into the sea area at the fan foundation tower (1) through a boom, so that the two pairs of floating columns (3) surround the fan foundation tower (1), and the fixed platform (2) is suspended above the fan foundation tower (1), at this time, the technician on the fixed platform (2) controls the air pump (305) to work, so that the gas in the inflatable floating plate (302) is transferred to the buffer air bag (304), and the buffer air bag (304) is inflated; S4, due to the decrease of the gas in the inflatable floating plate (302), the buoyancy of the inflatable floating plate (302) decreases, and the auxiliary construction floating platform gradually sinks until the fixed platform (2) is close to the fan foundation tower (1); S5, after the fixed platform (2) is close to the fan foundation tower (1), the air pump (305) stops working, at this time, the buffer air bag (304) is in an inflated state, when the auxiliary construction floating platform is affected by wind and waves, the two pairs of buffer air bags (304) are used for buffering, so as to reduce the shaking of the auxiliary construction floating platform caused by the wind and waves; S6, finally, the technician on the fixed platform (2) remotely controls the crane to clamp and adjust the segment tower barrel (5), so that the fan base (4) matches the flange ring on the fan foundation tower (1), the air pump (305) and the exhaust valve are opened, the gas in the inflatable floating plate (302) is completely discharged through the exhaust valve, at this time, the auxiliary construction floating platform completely descends until the fixed platform (2) contacts the fan foundation tower (1); S7, finally, the technician can install the anchor bolt and weld the fixed platform (2) between the fan base (4) and the fixed platform (2), and then hoist other parts of the fan on the segment tower barrel (5) in sequence, so as to complete the installation of the fan.

10. A method of offshore windmill construction suitable for rough sea conditions according to claim 9, characterized in that: In the S3 step, after the auxiliary construction floating platform is thrown into the water, the technician can adjust the distance between the buffer air bag (304) and the water surface through the electric push rod, so that the buffer air bag (304) is not easy to contact the water surface during the sinking process of the auxiliary construction floating platform.

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