CN220948446U - Floating fan foundation inclined upright post and lower floating body connecting structure - Google Patents
Floating fan foundation inclined upright post and lower floating body connecting structure Download PDFInfo
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- CN220948446U CN220948446U CN202322997866.1U CN202322997866U CN220948446U CN 220948446 U CN220948446 U CN 220948446U CN 202322997866 U CN202322997866 U CN 202322997866U CN 220948446 U CN220948446 U CN 220948446U
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- upright post
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- 238000007667 floating Methods 0.000 title claims abstract description 65
- 239000007787 solid Substances 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000005188 flotation Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010248 power generation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a connecting structure of an inclined upright post and a lower floating body of a floating fan foundation, which comprises an inclined upright post, a base pontoon and a heave cabin, wherein the inclined upright post comprises an upright post outer vertical plate, the base pontoon comprises a pontoon top deck, a pontoon side vertical plate and a pontoon bottom deck, the heave cabin comprises a heave cabin top deck, a heave cabin bottom deck and a heave cabin outer vertical plate, the bottom of the upright post outer vertical plate extends into the heave cabin, the upright post outer vertical plate is respectively and directly connected with the heave cabin top deck and the heave cabin bottom deck, and a double-shell annular structure is formed between the upright post outer vertical plate and the heave cabin outer vertical plate; the inner part of the inclined upright post is provided with a reinforced deck which is flush with the top deck of the pontoon, and the bottom deck of the pontoon is flush with the bottom deck of the heave cabin and is connected into an integral continuous plate; the center of the heave cabin is provided with a center inclined tube which is consistent with the inclination direction of the inclined upright post, and the two pontoon side upright plates are connected with the center inclined tube through solid rib plates. The utility model has high fatigue strength and structural utilization rate, and can reduce the motion response of the fan.
Description
Technical Field
The utility model relates to an offshore floating foundation, in particular to a structure for connecting an inclined upright post and a lower floating body of a floating fan foundation.
Background
The main stream of the deep-open sea high-power floating type fan foundation platform is designed into a semi-submersible type floating platform, and the semi-submersible type floating platform is divided into three upright posts, four upright posts and the like, and mainly comprises upright posts, an upper connecting support of the upright posts, a lower connecting support of the upright posts, a heave cabin at the bottom of the upright posts and an internal inclined support structure. In order to improve the stability of a floating wind power platform and reduce the heave effect of the power generation working condition of a floating body in waves, so that the power generation efficiency is improved, chinese patent CN219220634U discloses a semi-submersible wind power platform with inclined upright posts, which can increase the water plane rigidity surrounded by the water line of the floating body, reduce the inclination angle of the power generation working condition of a fan and improve the stability and the power generation efficiency of the floating body.
On the one hand, the structure joint between the inclined upright post and the lower floating body is designed to meet the strength, particularly the fatigue strength, of the joint node, meanwhile, the structure arrangement of the joint is simplified, the difficulty of the joint design and construction is reduced, and the strength performance and the construction efficiency of the joint of the floating bodies are improved; on the other hand, consider a design scheme to increase the damping of the floating body itself, reduce the fan floating body heave and the fan motion response and thereby improve the fan power generation efficiency.
Disclosure of utility model
Aiming at deep open sea areas with the average water depth of 100 meters and more, the utility model provides a floating fan foundation inclined upright post and lower floating body connecting structure suitable for deep open sea, so as to improve the structural strength and fatigue strength of the connecting part, simplify the construction process and improve the construction efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a floating fan foundation slope stand and lower body connection structure, includes slope stand, base flotation pontoon, heave cabin, the slope stand includes the stand riser outward, the base flotation pontoon includes flotation pontoon top deck, flotation pontoon side riser, flotation pontoon bottom deck, heave cabin includes heave cabin top deck, heave cabin bottom deck, heave cabin outer riser, wherein:
The bottom of the upright post outer vertical plate extends into the heave cabin, the upright post outer vertical plate is respectively and directly connected with the heave cabin top deck and the heave cabin bottom deck, and a double-shell annular structure is formed between the upright post outer vertical plate and the heave cabin outer vertical plate;
The inner part of the inclined upright post is provided with a reinforced deck which is flush with the top deck of the pontoon, and the bottom deck of the pontoon is flush with the bottom deck of the heave chamber and is connected with the bottom deck of the heave chamber to form an integral continuous plate;
The center of the heave cabin is provided with a center inclined tube which is consistent with the inclination direction of the inclined upright post, and the two pontoon side upright plates are connected with the center inclined tube through solid rib plates.
Preferably, a heave plate is arranged on the outer side of the heave cabin outer vertical plate.
Preferably, a plurality of reinforcing toggle plates are installed between the heave plate and the heave plate.
Preferably, the heave plate is cut off at a distance of 2m-3m from the base buoy.
Preferably, the spacing between adjacent reinforcing toggle plates is 2m-2.5m, and the height of the reinforcing toggle plates is 1m-2.5m.
Preferably, the pontoon top deck and the heave chamber top deck are connected by a plurality of first flexible toggle plates, and the pontoon bottom deck and the heave chamber bottom deck are connected by a plurality of second flexible toggle plates.
Preferably, the reinforcement deck and the heave bilge deck are made of Z-directional steel, and the pontoon top deck and the pontoon bottom deck are made of Z-directional steel within a range of at least 1m from the horizontal outside of the inclined upright post outer upright plate.
Preferably, the central inclined tube is used as an end fixed support, and the inner structures on the heave chamber top deck, the heave chamber bottom deck and in the radial direction are connected to the outer shell of the central inclined tube and the upright outer vertical plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model can strengthen the continuity of the alignment structure at the joint of the floating body structure, and the structural design at the joint is continuous, simple and compact, and has high overall strength, particularly high fatigue strength performance and high structure utilization rate.
2. The inclined upright post extends into the heave cabin and is connected with the deck of the heave cabin bottom to form a continuous inclined upright post from top to bottom, so that butt welding of the inclined upright post at the top of the heave cabin in the prior art is avoided, and the construction of the floating body is facilitated.
3. The design of the heave plate can increase the additional mass of the floating platform, so that the inherent period of the floating foundation can avoid the wave energy concentration range, increase the damping of the floating body and reduce the heave motion effect, thereby reducing the motion response of the fan and improving the power generation efficiency and safety of the fan.
4. The utility model can be widely applied to the connection of the upright post and the lower floating body structure of the floating wind power platform in the deep open sea areas such as south China sea, east China sea and the like.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the application of the structure for connecting the inclined upright post and the lower floating body of the floating fan foundation of the present utility model.
Fig. 2 is an outline schematic diagram of a connection structure of an inclined upright post and a lower floating body of the floating fan foundation of the present utility model.
Fig. 3 is an inner outline schematic diagram (a) of a connection structure of an inclined upright post and a lower floating body of the floating fan foundation of the present utility model.
Fig. 4 is an inner outline schematic diagram (b) of a connection structure of an inclined upright post and a lower floating body of the floating fan foundation of the present utility model.
Fig. 5 is an inner outline schematic diagram (c) of the connection structure of the inclined upright post and the lower floating body of the floating fan foundation of the utility model.
Fig. 6 is an inner outline schematic (d) of the connection structure of the inclined upright post and the lower floating body of the floating fan foundation of the present utility model.
Fig. 7 is a bottom view of the connection structure of the inclined upright and the lower floating body of the floating fan foundation of the present utility model.
FIG. 8 is a top view of the structure of the connection of the inclined upright and the lower floating body of the floating fan foundation of the present utility model.
FIG. 9 is a schematic layout of the connection structure of the inclined upright post and the lower floating body of the floating fan foundation of the present utility model.
In the figure: 1-inclined upright posts, 1-1-upright post outer upright plates, 1-2-reinforced decks, 1-3, 1-4-solid rib plates, 1-5-central inclined pipes, 1-1-1-outer plate horizontal annular frame beams and 1-1-2-outer plate length direction reinforcing ribs;
2-pontoons, 2-1-pontoon top decks, 2-2-pontoon side vertical plates, 2-3-pontoon bottom decks, 2-2-1-pontoon annular frame beams, 2-2-2-pontoon longitudinal reinforcing ribs;
3-heave cabin, 3-1-heave cabin top deck, 3-2-heave cabin bottom deck, 3-3-second flexible toggle plate, 3-4-first flexible toggle plate, 3-5-heave cabin outer vertical plate;
4-diagonal bracing pipes, 4-1-diagonal bracing pipe length direction reinforcing ribs and 4-2-diagonal bracing pipe radial annular frame beams;
5-heave plate and 6-reinforced toggle plate.
Detailed Description
The utility model is further described below in connection with specific preferred embodiments, but it is not intended to limit the scope of the utility model.
For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described according to the layout directions of the drawings in the specification, and do not limit the structure of the present patent.
Referring to fig. 1 to 9, an embodiment of the structure for connecting a floating fan foundation with a lower floating body according to the present utility model includes a tilting column 1, a base buoy 2, a heave chamber 3, a diagonal brace 4, a heave plate 5 and an attached reinforcing toggle plate 6.
The inclined upright column 1 comprises an upright column outer upright plate 1-1, a reinforced deck 1-2, an outer plate horizontal annular frame beam 1-1 and an outer plate length direction reinforcing rib 1-1-2.
The base pontoon 2 comprises a pontoon top deck 2-1, a pontoon side vertical plate 2-2, a pontoon bottom deck 2-3, a pontoon annular frame beam 2-2-1 and a pontoon longitudinal reinforcing rib 2-2-2.
The heave chamber 3 comprises a heave chamber top deck 3-1, a heave chamber bottom deck 3-2, a second flexible toggle plate 3-3, a first flexible toggle plate 3-4 and a heave chamber outer vertical plate 3-5.
The diagonal bracing tube 4 comprises a tube shell, diagonal bracing tube length direction reinforcing ribs 4-1 and diagonal bracing tube radial annular frame beams 4-2.
The heave plate 5 is horizontally and outwards protruded out of the heave chamber 3, and a plurality of reinforcing toggle plates 5-2 are arranged between the heave chamber outer vertical plate 3-5 and the heave plate 5.
The vertical column outer vertical plate 1-1 is continuously inserted into the heave chamber bottom plate 3-2, the vertical column outer vertical plate 1-1 is respectively welded with the heave chamber top deck 3-1 and the heave chamber bottom deck 3-2, meanwhile, as the horizontal sections of the inclined vertical column 1 and the heave chamber 3 are elliptical sections, an elliptical double-shell annular structure is formed between the vertical column outer vertical plate 1-1 and the heave chamber outer vertical plate 3-5, the reinforced deck 1-2 is designed in the inclined vertical column 1, the reinforced deck 1-2 is flush with the pontoon top deck 2-1, the pontoon bottom deck 2-3 is flush with the heave chamber bottom deck 3-2 and is mutually connected into an integral continuous plate, and the integral continuous plate is welded to the outer side of the continuous vertical column outer vertical plate 1-1; all the reinforcement decks 1-2, the heave bilge deck 3-2, the pontoon top deck 2-1 and the pontoon bottom deck 2-3 are at least 1m from the horizontal outside of the outer vertical plate of the inclined upright post, and Z-direction steel is adopted for bearing the stress in the plate thickness direction and the thickness vertical direction at the same time so as to meet the structural strength requirement.
The center of the heave cabin 3 is provided with a central inclined tube 1-5 which is consistent with the inclination direction of the inclined upright column 1, the diameter of the central inclined tube is 1m-3m, the central inclined tube is used as an end fixing support, the inner structures of the heave cabin top deck 3-1, the heave cabin bottom deck 3-2 and the radial direction are welded to the outer shell of the central inclined tube 1-5 and the upright column outer upright plate 1-1, the structural stability and the strength are facilitated, in particular, a solid rib plate 1-3 and a solid rib plate 1-4 are designed between the pontoon side upright plate 2-2 of the base pontoon 2 and the central inclined tube 1-5 to be connected, and two ends of the solid rib plate 1-3 and the solid rib plate 1-4 are respectively welded on the heave cabin outer upright plate 3-5 and the central inclined tube 1-5, so that the structure of the joint of the pontoon side upright plate 2-2 and the heave cabin is continuously reinforced, and the continuous transmission of stress is maintained. The floating pontoon top deck 2-1 is connected with the heave cabin top deck 3-1 through a plurality of first flexible toggle plates 3-4, the floating pontoon bottom deck 2-3 is connected with the heave cabin bottom deck 3-2 through a plurality of second flexible toggle plates 3-3, and the polishing and hammering processes are matched to improve the fatigue strength of the joint. The heave plate 5 with the width of 1.5m-2.5m is designed on the outer periphery of the heave bilge deck 3-2 near the outer side, and the heave plate 5 is cut off at the position which is about 2m-3m away from the base pontoon, so that the influence of local stress concentration at the joint on the strength of the heave plate 5 is avoided. The reinforced toggle plates 6 with the height of 1m-2.5m are designed on the heave plate 5 at the interval of about 2m-2.5m so as to ensure the structural strength of the heave plate 5. The heave cabin 3 and the heave plate 5 protruding from the periphery of the heave cabin can increase the foundation damping of the floating body so as to reduce the motion response of the fan and improve the power generation efficiency and the safety of the fan.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a floating fan foundation slope stand and lower body connection structure, includes slope stand, base flotation pontoon, heave cabin, the slope stand includes stand external riser (1-1), the base flotation pontoon includes flotation pontoon top deck (2-1), flotation pontoon side riser (2-2), flotation pontoon bottom deck (2-3), heave cabin includes heave cabin top deck (3-1), heave cabin bottom deck (3-2), heave cabin external riser (3-5), its characterized in that:
The bottom of the upright post outer vertical plate extends into the heave cabin, the upright post outer vertical plate is respectively and directly connected with the heave cabin top deck (3-1) and the heave cabin bottom deck (3-2), and a double-shell annular structure is formed between the upright post outer vertical plate and the heave cabin outer vertical plate;
The interior of the inclined upright post is provided with a reinforcement deck (1-2) which is flush with the pontoon top deck, and the pontoon bottom deck is flush with the heave bilge deck and is connected with the heave bilge deck to form an integral continuous plate;
The center of the heave cabin is provided with a center inclined tube (1-5) which is consistent with the inclination direction of the inclined upright post, and the two pontoon side upright plates are connected with the center inclined tube through solid rib plates.
2. The connection structure of the inclined upright post and the lower floating body of the floating fan foundation according to claim 1, wherein a heave plate (5) is arranged on the outer side of the heave cabin outer upright plate.
3. The connection structure of the inclined upright post and the lower floating body of the floating fan foundation according to claim 2, characterized in that a plurality of reinforcing toggle plates (6) are installed between the heave plate and the heave plate.
4. The floating fan foundation tilt column and lower float connection structure of claim 2 wherein said heave plate is cut off at a distance of 2m-3m from said base buoy.
5. A floating fan foundation tilt column and lower float connection according to claim 3 wherein the spacing between adjacent reinforcing toggle plates is 2m-2.5m and the height of the reinforcing toggle plates is 1m-2.5m.
6. The floating fan foundation tilt column and lower floating body connection structure according to claim 1, characterized in that the pontoon top deck (2-1) and the heave roof deck (3-1) are connected by a plurality of first flexible toggle plates (3-4), and the pontoon bottom deck (2-3) and the heave bottom deck (3-2) are connected by a plurality of second flexible toggle plates (3-3).
7. The floating wind turbine foundation tilt column and lower float connection structure of claim 1, wherein said reinforcement deck (1-2) and said heave bilge deck (3-2) are of Z-steel.
8. The structure for connecting the inclined upright to the lower floating body of the floating fan foundation according to claim 1, characterized in that the central inclined tube is used as an end fixed support to connect the inner structures of the heave roof deck (3-1), the heave bilge deck (3-2) and the radius direction to the outer shell of the central inclined tube and the upright outer upright.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322997866.1U CN220948446U (en) | 2023-11-07 | 2023-11-07 | Floating fan foundation inclined upright post and lower floating body connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322997866.1U CN220948446U (en) | 2023-11-07 | 2023-11-07 | Floating fan foundation inclined upright post and lower floating body connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN220948446U true CN220948446U (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322997866.1U Active CN220948446U (en) | 2023-11-07 | 2023-11-07 | Floating fan foundation inclined upright post and lower floating body connecting structure |
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| CN (1) | CN220948446U (en) |
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- 2023-11-07 CN CN202322997866.1U patent/CN220948446U/en active Active
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