CN217107315U

CN217107315U - Offshore wind turbine with high-strength mounting structure

Info

Publication number: CN217107315U
Application number: CN202220525089.3U
Authority: CN
Inventors: 李海斌; 应雷丽; 张耀东; 陈汤兵; 应明波
Original assignee: Jiangsu Hailong Wind Power Technology Co ltd
Current assignee: Jiangsu Hailong Wind Power Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-02
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses an offshore wind turbine with high-strength installation structure, belonging to the technical field of structure safety, the offshore wind turbine with high-strength installation structure comprises a wind turbine, the lower end of the wind turbine is fixedly connected with a supporting steel frame, the lower end of the supporting steel frame is fixedly connected with a second leveling plate, a movable bin with a circular cross section is drilled in the second leveling plate, a gear is arranged above the movable bin, a rotary hole is drilled at the central position of the gear, a rotary shaft is fixedly connected in the rotary hole, a placing groove is drilled in the end wall of the second leveling plate, a motor is fixedly connected in the placing groove, the output end of the motor is fixedly connected with the lower end of the rotary shaft, a belt pulley is fixedly connected with the lower end of the gear, the double fixation of the bolt and the concrete at the joint of the lower end of a support rod and the seabed sludge can be realized, the fixed speed of the wind turbine at the seabed can be improved, the seabed operation time of workers can be reduced, meanwhile, the impact on offshore wind power is enhanced by the fixing structure at the upper end.

Description

Offshore wind turbine with high-strength mounting structure

Technical Field

The utility model relates to a technical field of structure safety, more specifically say, relate to an offshore wind turbine with high strength mounting structure.

Background

Wind power generation is the fastest-developing green energy technology in the world, and people have noticed some limitations on land wind energy utilization, such as large occupied area, noise pollution and the like, while land wind power plant construction is rapidly developed. Due to the abundant wind energy resources at sea and the feasibility of the current technology, the sea becomes a rapidly-developing wind power market. The sea area of the east coastal water depth of China within 50m is vast and is very close to a power load center (a coastal economically developed power shortage area), and with the mature development of offshore wind farm technology, wind power can certainly become an important energy source for sustainable development of the east coastal area of China.

Offshore wind power has been rapidly developed in recent years due to its advantages of high wind speed, long effective generation hours, no land resource occupation, and the like. At present, the structure and the connection mode of the offshore wind turbine fan are generally piled with stones, sand quilts and sand bags to prevent collapse, but the offshore environment is complex, the offshore construction period of the stones and the sand bags is long, the stones and the sand bags are difficult to throw in place, the lower end of the stones and the sand bags are piled to achieve the fixing effect, the fixing time is not lasting, and the protection effect is seriously influenced; meanwhile, the wind impact on the fan and the support frame when the upper side of the sea surface is large in the wind is not small, so that a fan unit capable of resisting the impact of seabed silt and sea waves and resisting the wind impact on the sea surface is urgently needed and is extremely important.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an offshore wind turbine with high strength mounting structure can realize that bracing piece lower extreme and seabed silt junction have bolt and the dual fixed of concrete, improves the fixed speed to the fan at the seabed, reduces staff seabed activity duration, and the fixed knot who is the upper end simultaneously constructs the enhancement and to the impact of offshore wind power.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An offshore wind turbine with a high-strength installation structure comprises a wind turbine, wherein a supporting steel frame is fixedly connected to the lower end of the wind turbine, the lower end of the supporting steel frame extends to the position below the sea level, a second leveling plate is fixedly connected to the lower end of the supporting steel frame, a movable cabin with a circular cross section is formed in the second leveling plate, a gear is arranged above the movable cabin, a rotary hole is formed in the center of the gear in a chiseled mode, a rotary shaft is fixedly connected into the rotary hole, a placing groove is formed in the end wall of the second leveling plate, a motor is fixedly connected into the placing groove and is located right below the rotary shaft, the output end of the motor is fixedly connected with the lower end of the rotary shaft, a belt pulley is fixedly connected to the lower end of the gear, the rotary shaft penetrates through the middle of the belt pulley, three moving holes which are uniformly distributed are formed in the lower end of the second leveling plate, and a gap fit is formed in the sliding connection in the moving holes, the utility model discloses a submarine wind power generator, including the support rod, the support rod is including the support rod, the screw upper end fixedly connected with nut, the nut is laminated each other with the belt pulley inner wall, and is three the screw lower extreme all is provided with inserts the fixed slot of locating in the seabed silt, and fixed slot inner wall screw thread and screw phase-match can realize that bracing piece lower extreme and seabed silt junction have bolt and concrete dual fixed, improve the fixed speed to the fan in the seabed, reduce staff seabed activity duration, the fixed knot structure of upper end strengthens the impact to marine wind-force simultaneously.

Furthermore, the lower end of the screw is of a conical structure, a capsule is placed at the lower end of the inside of the fixing groove and is made of a film material, concrete is wrapped in the capsule, and the capsule is conveniently punctured by a sharp structure, so that the concrete flows out of the capsule, and the firmness of installation of the fan is improved.

Furthermore, a plurality of through holes which are uniformly distributed are drilled on the periphery of the lower side end wall of each fixed groove, the outer surface of each capsule is close to the through holes, concrete in each capsule flows out through the through holes, the concrete in the three fixed grooves is converged at the seabed sludge, the solidification integral area of the concrete is improved, the possibility of collapse is reduced, and the firmness of the fan in seabed installation is further enhanced.

Furthermore, it has the bearing to inlay on the second screed-plate upside inner end wall, the pivot other end extend to in the bearing and with bearing inner ring interference fit, improve pivot pivoted stability to further strengthen belt pulley pivoted stability.

Furthermore, bracing piece downside fixedly connected with is located the first screed-plate of second screed-plate upside, first screed-plate is laminated with the sea level datum line mutually, and first screed-plate plays the effect of resisting the wave and assaults, directly assaults the support steelframe under the condition of avoiding big wave to come.

Furthermore, a plurality of auxiliary rods are fixedly connected between the lower surface of the first leveling plate and the upper surface of the second leveling plate, a plurality of connecting rods are fixedly connected between the auxiliary rods, a plurality of connecting rods are transversely arranged, the lower end of the supporting rod is supported and protected at the seabed, and the auxiliary rods and the connecting rods are mutually matched to jointly resist the impact force of seawater on the supporting rod.

Further, a pair of symmetrically distributed's bracing piece of fixedly connected with between first screed-plate upper surface and the support steelframe upper end outside, the bracing piece is the slope setting, strengthens supporting and the guard action to supporting the steelframe upper end, and the bracing piece height is higher, reduces the impact of marine strong wind to supporting steelframe and fan.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme can realize that the joint of the lower end of the support rod and the seabed sludge is dual fixed by the bolts and the concrete, the fixing speed of the fan at the seabed is improved, the seabed operation time of workers is reduced, and meanwhile, the impact of the fixing structure at the upper end on the offshore wind power is strengthened.

(2) The screw lower extreme is the circular cone structure, and the cyst has been placed to the inside lower extreme of fixed slot, and the cyst is made for the film material, and the parcel has the concrete in the cyst, and the convenient cyst that punctures of sharp-pointed structure to concrete flows out from the cyst, improves the fastness of fan installation.

(3) All excavate the through-hole that has a plurality of evenly distributed around the fixed slot downside end wall, the cyst surface is close to each other with the through-hole, and concrete flows through the through-hole in the cyst, and concrete joins each other in three fixed slot in seabed silt department, improves the whole area of solidification of concrete, reduces the possibility of collapsing, has further strengthened the firm degree of fan at seabed installation.

(4) Inlay on the second screed-plate upside inner end wall and have the bearing, the pivot other end extend to in the bearing and with bearing inner ring interference fit, improve pivot pivoted stability to further strengthen belt pulley pivoted stability.

(5) Bracing piece downside fixedly connected with is located the first screed-plate of second screed-plate upside, and first screed-plate is laminated with the sea level datum line mutually, and first screed-plate plays the effect of resisting the wave and assaulting, directly assaulting the support steelframe under the condition of avoiding the unrestrained attack.

(6) Fixedly connected with several auxiliary rod between first screed-plate lower surface and the second screed-plate upper surface, the horizontal connecting rod that sets up of fixedly connected with several between the several auxiliary rod, reinforcing bracing piece lower extreme is supported and guard action in the seabed, and a plurality of auxiliary rods and connecting rod are mutually supported and are resisted the sea water jointly and to the bracing piece impact force.

(7) A pair of symmetric distribution's of fixedly connected with bracing piece between first screed-plate upper surface and the support steelframe upper end outside, the bracing piece is the slope setting, strengthens supporting and the guard action to supporting the steelframe upper end, and the bracing piece height is higher, reduces the impact of marine strong wind to supporting steelframe and fan.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a second screed of the present invention;

fig. 3 is a plan view of the gear of the present invention;

fig. 4 is a schematic view of the structure of the fixing groove of the present invention.

The reference numbers in the figures illustrate:

1. a fan; 2. supporting the steel frame; 3. a support bar; 4. an auxiliary lever; 5. a first leveling plate; 6. a second screed plate; 7. fixing grooves; 8. a motor; 9. a screw; 10. a gear; 11. a belt pulley; 12. a rotating shaft; 13. a bearing; 14. a nut; 15. encapsulating; 16. and a through hole.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 2-3, an offshore wind turbine with a high-strength installation structure includes a wind turbine 1, a supporting steel frame 2 is fixedly connected to the lower end of the wind turbine 1, the lower end of the supporting steel frame 2 extends below the sea level, a second leveling plate 6 is fixedly connected to the lower end of the supporting steel frame 2, a movable cabin with a circular cross-section is formed in the second leveling plate 6, a gear 10 is disposed above the movable cabin, a rotating hole is formed in the center of the gear 10, a rotating shaft 12 is fixedly connected to the rotating hole, a placing groove is formed in the end wall of the second leveling plate 6, a motor 8 is fixedly connected to the placing groove, the motor 8 is located under the rotating shaft 12, the output end of the motor 8 is fixedly connected to the lower end of the rotating shaft 12, a bearing 13 is embedded in the inner end wall of the upper side of the second leveling plate 6, the other end of the rotating shaft 12 extends into the bearing 13 and is in interference fit with the inner ring of the bearing 13, so as to improve the rotating stability of the rotating shaft 12, thereby further strengthen belt pulley 11 pivoted stability, gear 10 lower extreme fixedly connected with belt pulley 11, pivot 12 passes from the middle of belt pulley 11, the removal hole that has three evenly distributed is dug to the lower extreme of second screed-plate 6, it is screw 9 to remove downthehole sliding connection has clearance fit, screw 9 upper end fixedly connected with nut 14, nut 14 laminates with belt pulley 11 inner wall each other, three screw 9 lower extreme all is provided with inserts fixed slot 7 of locating in the seabed silt, and fixed slot 7 inner wall screw thread and screw 9 phase-match.

Please refer to fig. 4, the lower end of the screw 9 is a conical structure, the capsule 15 is placed at the lower end inside the fixing groove 7, the capsule 15 is made of a thin film material, concrete is wrapped in the capsule 15, the capsule 15 is conveniently punctured by a sharp structure, so that the concrete flows out of the capsule 15, a plurality of through holes 16 which are uniformly distributed are drilled on the periphery of the lower side end wall of the fixing groove 7 for improving the firmness of the installation of the fan 1, the outer surface of the capsule 15 is close to the through holes 16, the concrete flows out of the through holes 16 in the capsule 15, the concrete in the three fixing grooves 7 is converged at the bottom sludge, the whole solidification area of the concrete is improved, the collapse possibility is reduced, and the firmness of the installation of the fan 1 at the bottom is further enhanced.

Referring to fig. 1, a first leveling plate 5 located on the upper side of a second leveling plate 6 is fixedly connected to the lower side of a support rod 3, the first leveling plate 5 is attached to a sea level datum line, the first leveling plate 5 plays a role in resisting sea wave impact, the support steel frame 2 is directly impacted under the condition of avoiding the attack of big waves, a plurality of auxiliary rods 4 are fixedly connected between the lower surface of the first leveling plate 5 and the upper surface of the second leveling plate 6, a plurality of transversely arranged connecting rods are fixedly connected between the plurality of auxiliary rods 4, the support and protection effects of the lower end of the support rod 3 on the sea bottom are enhanced, the plurality of auxiliary rods 4 and the connecting rods are mutually matched to resist the impact force of sea water on the support rod 3, a pair of symmetrically distributed support rods 3 is fixedly connected between the upper surface of the first leveling plate 5 and the outer side of the upper end of the support steel frame 2, the support rods 3 are arranged obliquely, the support and protection effects of the upper end of the support steel frame 2 are enhanced, the supporting rods 3 are higher, and impact of strong wind on the supporting steel frame 2 and the fan 1 is reduced.

When in use, referring to fig. 1, a technician connects and erects the fan 1 and the supporting steel frame 2, then welds the first leveling plate 5 at the lower end of the supporting steel frame 2, welds the second leveling plate 6 at the lower end of the first leveling plate 5, welds a plurality of connecting and reinforcing rods between the first leveling plate 5 and the second leveling plate 6, plays a role of protecting the supporting steel frame 2 at the seabed, reduces the impact of seawater on the supporting steel frame 2, starts the motor 8 in the second leveling plate 6, the motor 8 drives the gear 10 to rotate, the gear 10 drives the belt pulley 11 to rotate, the inner wall of the belt pulley 11 is attached with the supporting rods 3, the screws 9 inserted in the moving grooves are inserted, the belt pulley 11 continuously rotates to drive the screws 9 to continuously rotate to be in threaded connection with the lower fixed grooves 7, until the screws 9 are firmly connected with the fixed grooves 7, the motor 8 stops rotating, and three fixed grooves 7 are arranged to form a stable triangular structure, strengthen the impact action to seabed silt and sea water, the sharp-pointed position of 9 lower extremes of screw stab cyst 15 makes the concrete flow from fixed slot 7 in the in-process screw that moves down constantly 9, the concrete fuses each other in three fixed slot 7, increase and the area of being connected at the seabed, reduce and collapse probably, a pair of bracing piece 3 of fixedly connected with between 5 upper ends of first screed-plate and the support steelframe 2 simultaneously, play the protection to fan 1 and support steelframe 2 upper end, reduce the impact that causes the damage that receives wind-force, compare prior art the utility model discloses, can realize that 3 lower extremes of bracing piece and seabed silt junction have bolt and concrete dual fixed, improve the fixed speed to fan 1 at the seabed, reduce staff seabed activity duration, the fixed knot of upper end strengthens the impact to marine wind-force simultaneously.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an offshore wind turbine with high strength mounting structure, includes fan (1), fan (1) lower extreme fixedly connected with supports steelframe (2), and supports steelframe (2) lower extreme and extend to below the sea level, its characterized in that: the lower end of the supporting steel frame (2) is fixedly connected with a second leveling plate (6), a movable bin with a circular cross section is arranged in the second leveling plate (6), a gear (10) is arranged above the movable bin, a rotary hole is arranged in the center of the gear (10), a rotary shaft (12) is fixedly connected in the rotary hole, a placing groove is formed in the end wall of the second leveling plate (6), a motor (8) is fixedly connected in the placing groove and is positioned under the rotary shaft (12), the output end of the motor (8) is fixedly connected with the lower end of the rotary shaft (12), a belt pulley (11) is fixedly connected at the lower end of the gear (10), the rotary shaft (12) penetrates through the middle of the belt pulley (11), three uniformly distributed moving holes are formed in the lower end of the second leveling plate (6), and a screw (9) is arranged in the moving hole in a sliding fit manner, screw (9) upper end fixedly connected with nut (14), nut (14) and belt pulley (11) inner wall laminate each other, and are three screw (9) lower extreme all is provided with inserts fixed slot (7) of locating in seabed silt, and fixed slot (7) inner wall screw thread and screw (9) phase-match.

2. The offshore wind turbine with high strength mounting structure of claim 1, wherein: the lower end of the screw (9) is of a conical structure, a capsule (15) is placed at the lower end inside the fixing groove (7), the capsule (15) is made of a film material, and concrete is wrapped in the capsule (15).

3. The offshore wind turbine with high strength mounting structure of claim 2, wherein: the periphery of the lower side end wall of the fixing groove (7) is provided with a plurality of uniformly distributed through holes (16), and the outer surface of the capsule (15) is close to the through holes (16).

4. The offshore wind turbine with high strength mounting structure of claim 1, wherein: and a bearing (13) is embedded in the inner end wall on the upper side of the second leveling plate (6), and the other end of the rotating shaft (12) extends into the bearing (13) and is in interference fit with the inner ring of the bearing (13).

5. The offshore wind turbine with high strength mounting structure of claim 1, wherein: the support steelframe (2) downside fixedly connected with is located first screed-plate (5) of second screed-plate (6) upside, first screed-plate (5) laminate mutually with the sea level datum line.

6. The offshore wind turbine with high strength mounting structure of claim 5, wherein: fixedly connected with several auxiliary rod (4), several between first screed-plate (5) lower surface and second screed-plate (6) upper surface fixedly connected with several transversely sets up the connecting rod between auxiliary rod (4).

7. The offshore wind turbine with high strength mounting structure of claim 5, wherein: the support frame is characterized in that a pair of symmetrically distributed support rods (3) is fixedly connected between the upper surface of the first leveling plate (5) and the outer side of the upper end of the support steel frame (2), and the support rods (3) are obliquely arranged.