CN218844492U

CN218844492U - Anti-ice structure of offshore wind power foundation

Info

Publication number: CN218844492U
Application number: CN202222660030.8U
Authority: CN
Inventors: 朱钦威; 孔云飞; 薛典; 秦亮亮; 于经泳; 魏元健
Original assignee: Jiangsu Haizhuang Wind Power Equipment Co ltd
Current assignee: Jiangsu Haizhuang Wind Power Equipment Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-04-11
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses an anti ice structure on marine wind power basis, include: the floor, the floor constitutes horizontal symmetry and the same last round platform of exterior structure and round platform down, go up round platform and round platform down through the apron connection under can deforming upper cover plate and can deform, the low side of floor and the apron connection under can deforming, the top and the apron connection that can deform of floor, go up round platform and round platform down equidistant floor that sets up, the terminal surface is provided with the spring fixed slot in the floor, terminal surface both ends set up two the same spring fixed slots in every floor, terminal surface middle part sets up a great spring fixed slot in the floor, the spring fixed slot is used for fixed damping spring and attenuator, the attenuator sets up the inside at damping spring, the attenuator utilizes hydraulic pressure principle to reach the damping effect, the attenuator is connected with hydraulic pressure pipeline, the attenuator passes through hydraulic pressure pipeline and constitutes the connectivity structure, the power accessible hydraulic pressure pipeline that the attenuator received disperses for other attenuators, reach the impact-resistant effect.

Description

Anti-ice structure of offshore wind power foundation

Technical Field

The utility model relates to an anti ice technical field of offshore wind power specifically is an anti ice structure on offshore wind power basis.

Background

In recent years, offshore wind power construction is developed in China, a plurality of wind power plants are built in a Bohai sea area, an offshore wind turbine built in the Bohai sea area is located in a low-temperature sea area, and a large amount of sea ice is formed on the sea in winter, so that the damage to the structure of the offshore wind turbine is generated, the strong vibration of the offshore wind turbine is caused, the fatigue damage of the structure is increased, and the service life of the offshore wind turbine is shortened.

As in application No.: CN202011118460.6, a flexible anti-ice structure suitable for offshore wind power pile foundation, including the pile foundation, in the effect scope of fixed ice and water ice on the pile foundation, be equipped with the collapsible utricule of fixed connection around the pile foundation, collapsible utricule adopts flexible material, be equipped with the admission valve on the collapsible utricule, through setting up collapsible utricule in pile foundation periphery, through filling different media in the utricule in order to change the frequency of original pile foundation, form the attenuator and change the frequency of pile foundation with the impact frequency of opening the water ice simultaneously, in order to avoid the wind turbine generator system resonance that ice induced vibration arouses, detect the water ice impact frequency of each flow direction and the vibration frequency of pile foundation through floating ice vibration sensor and pile foundation vibration sensor, can adjust in real time according to actual conditions, intelligent degree is high, still can shrink to hugging closely the pile foundation when there is not the ice layer, can not make wave and rivers increase the effort of pile foundation because of increase of sectional area, be fit for using on offshore foundation structure.

An offshore wind power based anti-icing structure similar to the above application currently has the following disadvantages:

the flexible anti-ice structure suitable for the offshore wind power pile foundation is characterized in that a retractable capsule body is arranged on the periphery of the pile foundation, different media are filled in the capsule body to change the resonant frequency of the original pile foundation, the damping effect is formed to change the frequency of the pile foundation and the impact frequency of open flow ice, so that the resonance of a wind turbine generator caused by ice-induced vibration is avoided, the quantity and pressure of the media filled in each capsule chamber are changed through a control device, the natural frequency is changed, the influence of impact on a pile body is reduced through the damping effect of the buffer capsule chambers, however, when the gas is filled in the capsule chambers, an external power supply and a stamping pump are needed, as the stamping work is carried out on the sea level, a plurality of environmental factors can cause the stamping pump to work unstably, such as the phenomenon that the work on the sea level can be frequently impacted by seawater, the voltage is caused, the control circuit is in poor contact, or the phenomenon of air leakage of the device is poor in air tightness, the device needs to be periodically checked, is inconvenient to maintain, and the work is not reliable enough.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an anti-ice structure based on offshore wind power is provided to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti ice structure on marine wind power basis to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an offshore wind power based anti-icing structure comprising:

a rib plate; the floor constitutes the same last round platform and lower round platform of horizontal symmetry and exterior structure, go up round platform and lower round platform through the deformable upper cover plate with can deform down the apron and be connected, the low side and the deformable lower cover plate of floor are connected, the top and the deformable upper cover plate of floor are connected, go up round platform and lower round platform and equidistant a floor that sets up around, and floor itself has certain deformability.

Preferably, the method further comprises the following steps:

the deformable upper cover plate and the deformable lower cover plate are provided with fixing grooves embedded with rib plates, and further reinforced by utilizing bolt fixing.

Preferably, the method further comprises the following steps:

the inner end face of each rib plate is provided with two identical spring fixing grooves, and the middle of the inner end face of each rib plate is provided with a larger spring fixing groove.

Preferably, the method further comprises the following steps:

the spring fixing groove is used for fixing the shock absorption spring and the damper, the damper is arranged inside the shock absorption spring, and the damper achieves a damping effect by utilizing a hydraulic principle.

Preferably, the method further comprises the following steps:

the damper is connected with a hydraulic pipeline, the damper forms a communicating structure through the hydraulic pipeline, and the force applied to the damper can be dispersed to other dampers through the hydraulic pipeline.

Preferably, the method further comprises the following steps:

the anti-corrosion coating is coated on the rib plates, and the elastic waterproof rings are arranged between the rib plates and can change along with the deformation of the rib plates.

Compared with the prior art, the beneficial effects of the utility model are that: this product passes through floor, damping spring, attenuator, hydraulic pressure pipeline and plays the shock attenuation effect jointly, and floor itself has certain deformability, is provided with damping spring in the inside of floor, is provided with the attenuator in the spring, and the attenuator is hydraulic structure, can play the effect of multilayer protection when receiving external pressure, and this product can the autonomous working, need not utilize external force protection

The product is also provided with an anticorrosive coating and an elastic waterproof ring, so that the air tightness and the service life of the device are ensured.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a rib plate; 2. a damping spring; 3. a damper; 4. a deformable upper cover plate; 5. a deformable lower cover plate; 6. a spring fixing groove; 7. a hydraulic conduit; 8. an anti-corrosion coating; 9. an elastic waterproof ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an offshore wind power based anti-icing structure comprising: the rib plate 1 forms an upper round table and a lower round table which are horizontally symmetrical and have the same external structures, the upper round table and the lower round table are connected with a deformable lower cover plate 5 through a deformable upper cover plate 4, the lower end of the rib plate 1 is connected with the deformable lower cover plate 5, the top end of the rib plate 1 is connected with the deformable upper cover plate 4, 24 rib plates 1 are arranged around the upper round table and the lower round table at equal intervals, the rib plates 1 have certain deformation capacity, the rib plates 1 are spliced into a symmetrical round table, and the rib plates 1 have the deformation capacity, so that the impact of a seawater cylinder is reduced while the contact area with seawater is increased; the deformable upper cover plate 4 and the deformable lower cover plate 5 are provided with fixing grooves in which the rib plates 1 are embedded, and are further reinforced by bolt fixing, the inner end surfaces of the rib plates 1 are provided with spring fixing grooves 6, two identical spring fixing grooves 6 are arranged at two ends of the inner end surface of each rib plate 1, the middle part of the inner end surface of each rib plate 1 is provided with a larger spring fixing groove 6, and the impact force applied to each plate surface can be uniformly dispersed everywhere by using the damping springs 2 and the dampers 3, so that the impact force of seawater on the cylinder is reduced; the spring fixing groove 6 is used for fixing the damping spring 2 and the damper 3, the damper 3 is arranged inside the damping spring 2, the damper 3 achieves a damping effect by utilizing a hydraulic principle, liquid is arranged inside the damper 3, the damper 3 is connected with a hydraulic pipeline 7, the damper 3 forms a communication structure through the hydraulic pipeline 7, force received by the damper 3 can be dispersed to other dampers 3 through the hydraulic pipeline 7, and the liquid of the damper 3 is communicated through the hydraulic pipeline 7, so that the force received by each damper 3 can be dispersed to other rib plates 1; anticorrosive coatings 8 are coated on the ribbed plates 1, elastic waterproof rings 9 are arranged between the ribbed plates 1, and the elastic waterproof rings 9 can change along with the deformation of the ribbed plates 1.

The working principle is as follows: when the device is used, as shown in figures 1-3, the device is fixed at a place where a wind power foundation device is connected with a sea level, the device is provided with rib plates 1 to form an upper round platform and a lower round platform which are horizontally symmetrical and have the same external structures, the top ends of the rib plates 1 are connected with a deformable upper cover plate 4, 24 rib plates 1 are arranged around the upper round platform and the lower round platform at equal intervals, the rib plates 1 have certain deformation capacity, the deformable upper cover plate 4 and the deformable lower cover plate 5 are provided with fixing grooves for embedding the rib plates 1, the fixing grooves are further reinforced by utilizing bolt fixing, the inner end faces of the rib plates 1 are provided with spring fixing grooves 6, dampers 3 are arranged inside damping springs 2, and are communicated with liquid of the dampers 3 through hydraulic pipelines 7, so that the force borne by each damper 3 can be dispersed on other rib plates 1, and the damping effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-icing structure for an offshore wind power foundation, comprising:

a rib (1); rib plate (1) constitutes with central symmetry and the same last round platform of exterior structure and round platform down, go up the round platform and be connected with apron (5) down of can deforming through upper cover plate (4) that can deform with the round platform down, the low side and the apron (5) down of can deforming of rib plate (1) are connected, the top and the upper cover plate (4) of can deforming of rib plate (1) are connected, go up the round platform and set up 24 rib plates (1) with equidistant around the round platform down, and rib plate (1) itself has certain deformability.

2. The offshore wind power based anti-icing structure of claim 1, further comprising:

the deformable upper cover plate (4) and the deformable lower cover plate (5) are provided with fixing grooves embedded with the rib plates (1), and the fixing is further reinforced by utilizing bolts.

3. An offshore wind power based anti-icing structure according to claim 2, further comprising:

spring fixing grooves (6) are formed in the inner end face of each rib plate (1), two identical spring fixing grooves (6) are formed in two ends of the inner end face of each rib plate (1), and a larger spring fixing groove (6) is formed in the middle of the inner end face of each rib plate (1).

4. An offshore wind power based anti-icing structure according to claim 3, further comprising:

the damping spring is characterized in that the spring fixing groove (6) is used for fixing the damping spring (2) and the damper (3), the damper (3) is arranged in the damping spring (2), and the damper (3) achieves a damping effect by utilizing a hydraulic principle.

5. The offshore wind power based anti-icing structure of claim 4, further comprising:

damper (3) are connected with hydraulic pressure pipeline (7), damper (3) constitute the intercommunication structure through hydraulic pressure pipeline (7), the power accessible that damper (3) received other damper (3) are given in the dispersion of hydraulic pressure pipeline (7).

6. An offshore wind power based anti-icing structure according to claim 5, further comprising:

anticorrosive coatings (8) are coated on the rib plates (1), elastic waterproof rings (9) are arranged between the rib plates (1), and the elastic waterproof rings (9) can change along with the deformation of the rib plates (1).