Grid connecting structure and offshore wind turbine platform
By adopting a grid connection structure including a first connecting arm, a second connecting arm and a connecting rod structure in an offshore wind turbine platform, the problem of inconvenient grid connection in the prior art is solved, and detachable connection and low-cost universality are improved.
Patent Information
- Application Number
- CN202423085608.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In existing offshore wind turbine platforms, the method of connecting two adjacent grids has problems such as inconvenient disassembly, high cost or poor versatility.
A grille connection structure comprising a first connecting arm, a second connecting arm and a connecting rod structure is adopted, and a detachable connection is achieved through an elastic adjustment structure and a locking piece. The spacing can be adjusted according to the size of the grille and is fixed by a locking piece to ensure connection reliability.
The grille can be detachably connected, which facilitates replacement or maintenance, improves versatility, and reduces usage costs.
Smart Images
Figure CN223434578U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to offshore wind power technical field especially relates to grid connection structure and offshore wind turbine platform. BACKGROUND
[0002] In recent years, based on the characteristics such as offshore resource stability, power generation power, convenient consumption, offshore wind power industry develops rapidly. Specifically, the wind turbine is mainly composed of wind turbine foundation, tower drum and upper unit;For the convenience of landing wind turbine, offshore wind turbine platform is usually set.
[0003] At present, offshore wind turbine platform is usually used grid structure to reduce wind force and increase platform stiffness. Among them, the connection mode of connecting adjacent two grids in the prior art mainly includes the following types: one type is to weld adjacent two grids together, but it is not convenient to disassemble when replacing the grid;Another type is to connect adjacent two grids together by nailing, but the cost is high;Another type is to clamp adjacent two grids on the installation platform by installing a clamp, but the versatility of the installation clamp is poor. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing grid connection structure and offshore wind turbine platform to solve the problem of connecting adjacent two grids in the prior art.
[0005] To achieve this purpose, the utility model adopts the following technical scheme:
[0006] The grid connection structure comprises a first connecting arm, a second connecting arm and two connecting rod structures, both ends of the first connecting arm, both ends of the second connecting arm and the two connecting rod structures are one-to-one corresponding, and the connecting rod structure comprises:
[0007] The first connecting rod is connected with the end of the first connecting arm along the axial first end;
[0008] The second connecting rod is fixedly arranged in the first connecting rod along the axial first end, and the second connecting rod extends out of the axial second end of the first connecting rod along the axial second end;
[0009] The elastic adjusting structure and the locking piece are arranged in the first connecting rod, and the locking piece is detachably connected with the second connecting rod;The end of the second connecting arm is sleeved on the second connecting rod and supported on the elastic adjusting structure, and the elastic restoring force of the elastic adjusting structure can drive the second connecting arm to elastically abut on the locking piece along the axial direction of the first connecting rod.
[0010] As a preferred scheme of the above-mentioned grid connecting structure, the elastic adjusting structure comprises an elastic member, a first end of the elastic member is arranged on the first connecting rod along the axial direction of the first connecting rod, and a second end of the elastic member is used for supporting the second connecting arm.
[0011] As a preferred scheme of the above-mentioned grid connecting structure, the elastic adjusting structure further comprises a supporting cylinder which is sleeved on the outer side of the second connecting rod, a first end of the supporting cylinder along the axial direction is arranged on the second end of the elastic member, and a second end of the supporting cylinder along the axial direction is used for supporting the second connecting arm.
[0012] As a preferred scheme of the above-mentioned grid connecting structure, the elastic adjusting structure further comprises a supporting piece which is sleeved on the outer side of the second connecting rod, the supporting piece is arranged on the second end of the elastic member, and a first end of the supporting cylinder along the axial direction is arranged on the supporting piece.
[0013] As a preferred scheme of the above-mentioned grid connecting structure, the first connecting rod is provided with a first groove and a second groove which are connected in communication along the axial direction, and a supporting surface is arranged at the communication position of the first groove and the second groove.
[0014] The first end of the second connecting rod along the axial direction is fixedly arranged in the first groove, the elastic member is arranged in the second groove and on the outer periphery of the second connecting rod, and the first end of the elastic member is supported on the supporting surface.
[0015] As a preferred scheme of the above-mentioned grid connecting structure, the elastic member is sleeved on the outer periphery of the second connecting rod.
[0016] As a preferred scheme of the above-mentioned grid connecting structure, the number of the elastic members is multiple, and the multiple elastic members are arranged at intervals on the outer periphery of the second connecting rod.
[0017] As a preferred scheme of the above-mentioned grid connecting structure, the first end of at least one first connecting rod along the axial direction is rotationally connected with the end of the first connecting arm.
[0018] As a preferred scheme of the above-mentioned grid connecting structure, the outer periphery of the second connecting rod is provided with an external thread, the locking member is a nut, and the nut is threadedly connected with the external thread.
[0019] The offshore wind turbine platform comprises two grids, and further comprises the above-mentioned grid connecting structure, and the two second connecting rods are correspondingly arranged in the grid holes of the two grids.
[0020] The offshore wind turbine platform comprises two grids, and further comprises the above-mentioned grid connecting structure, and the two second connecting rods are correspondingly arranged in the grid holes of the two grids.
[0021] The utility model provides a grating connecting structure and offshore wind turbine platform, this grating connecting structure includes first connecting arm, second connecting arm and two connecting rod structure. Among them, the both ends of first connecting arm, the both ends of second connecting arm and two connecting rod structure all one -to -one setting. Connecting rod structure includes first connecting rod, second connecting rod, elastic adjusting structure and locking piece. The first end of first connecting rod along the axial direction is connected with the end of first connecting arm. The first end of second connecting rod along the axial direction is fixedly arranged in first connecting rod, and the second end of second connecting rod along the axial direction is out of the second end of first connecting rod along the axial direction. Elastic adjusting structure is arranged in first connecting rod, and locking piece is detachably connected to second connecting rod;The end of second connecting arm is sleeved in second connecting rod and is supported on elastic adjusting structure, and the elastic recovery force of elastic adjusting structure can drive second connecting arm to be elastically abutted on locking piece along the axial direction of first connecting rod.
[0022] When connecting two gratings, the second connecting rods are one-to-one correspondingly inserted through the grating holes of the two gratings, then the ends of the second connecting arms are one-to-one correspondingly sleeved on the second connecting rods, and the interval between the first connecting arm and the second connecting arm is adjusted along the axial direction of the first connecting rod through the elastic adjusting structure, when the interval between the first connecting arm and the second connecting arm is adjusted, the two locking pieces are one-to-one correspondingly connected to the second connecting rods, so that the elastic recovery force of the elastic adjusting structure drives the second connecting arm to be elastically abutted on the locking piece along the axial direction of the first connecting rod, so that the two gratings are detachably connected through the grating connecting structure, and the gratings are convenient to replace or maintain in the later period;Secondly, by arranging the elastic adjusting structure, the interval between the first connecting arm and the second connecting arm can be adjusted according to the size of the grating, and the versatility of the grating connecting structure can be effectively improved;Secondly, the grating connecting structure is simple in structure and low in use cost. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the structure diagram of grating connecting structure provided by the embodiment of the utility model;
[0024] Figure 2 It is the exploded view of grating connecting structure provided by the embodiment of the utility model;
[0025] Figure 3 It is the partial sectional view of connecting rod structure provided by the embodiment of the utility model.
[0026] In the drawing:
[0027] 1, first connecting arm;
[0028] 2, second connecting arm;
[0029] 3, connecting rod structure; 31, first connecting rod; 311, support surface; 32, second connecting rod; 33, elastic adjusting structure; 331, elastic member; 332, support cylinder; 333, support sheet; 34, locking member. DETAILED DESCRIPTION
[0030] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.
[0031] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0033] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
[0034] The utility model provides a grating connecting structure, such as Figures 1-3As shown, the grid connecting structure comprises a first connecting arm 1, a second connecting arm 2 and two connecting rod structures 3. The two ends of the first connecting arm 1, the two ends of the second connecting arm 2 and the two connecting rod structures 3 are arranged one by one in a one-to-one correspondence. The connecting rod structure 3 comprises a first connecting rod 31, a second connecting rod 32, an elastic adjusting structure 33 and a locking piece 34. The first end of the first connecting rod 31 in the axial direction is connected to the end of the first connecting arm 1. The first end of the second connecting rod 32 in the axial direction is fixedly arranged in the first connecting rod 31, and the second end of the second connecting rod 32 in the axial direction protrudes from the second end of the first connecting rod 31 in the axial direction. The elastic adjusting structure 33 is arranged in the first connecting rod 31, and the locking piece 34 is detachably connected to the second connecting rod 32; the end of the second connecting arm 2 is sleeved on the second connecting rod 32 and supported on the elastic adjusting structure 33, and the elastic restoring force of the elastic adjusting structure 33 can drive the second connecting arm 2 to be elastically abutted on the locking piece 34 along the axial direction of the first connecting rod 31.
[0035] When connecting two grids, the two second connecting rods 32 are passed through the grid holes of the two grids one by one, then the two ends of the second connecting arm 2 are sleeved on the two second connecting rods 32 one by one, and the spacing between the first connecting arm 1 and the second connecting arm 2 is adjusted along the axial direction of the first connecting rod by the elastic adjusting structure 33. When the spacing between the first connecting arm 1 and the second connecting arm 2 is adjusted, the two locking pieces 34 are connected to the two second connecting rods 32 one by one, so that the elastic restoring force of the elastic adjusting structure 33 drives the second connecting arm 2 to be elastically abutted on the locking piece 34 along the axial direction of the first connecting rod 31, so as to realize the detachable connection of the two grids by the grid connecting structure, which is convenient for replacing or maintaining the grid later; secondly, by arranging the elastic adjusting structure 33, the spacing between the first connecting arm 1 and the second connecting arm 2 can be adjusted according to the size of the grid, which can effectively improve the universality of the grid connecting structure; secondly, the grid connecting structure has simple structure and low use cost.
[0036] It can be understood that the axial direction of the first connecting rod 31 and the axial direction of the second connecting rod 32 are parallel.
[0037] Among them, as Figure 3As shown, the elastic adjusting structure 33 comprises an elastic member 331, a first end of the elastic member 331 is arranged on the first connecting rod 31 along an axial direction of the first connecting rod 31, and a second end of the elastic member 331 is used to support the second connecting arm 2. The spacing between the first connecting arm 1 and the second connecting arm 2 can be adjusted by applying a compression force to the elastic member 331, and the elastic restoring force of the elastic member 331 can increase the spacing between the first connecting arm 1 and the second connecting arm 2. Specifically, the elastic member 331 is sleeved on the outer periphery of the second connecting rod 32. Alternatively, the number of elastic members 331 is multiple, and the multiple elastic members 331 are distributed on the outer periphery of the second connecting rod 32 in a circumferential direction of the second connecting rod 32. Both can adjust the spacing between the first connecting arm 1 and the second connecting arm 2. In this embodiment, the number of elastic members 331 is multiple, and the multiple elastic members 331 are distributed on the outer periphery of the second connecting rod 32 in a circumferential direction of the second connecting rod 32. Specifically, the elastic member 331 is a spring.
[0038] Optionally, as shown in Figures 1-3 The elastic adjusting structure 33 further comprises a support cylinder 332 sleeved on the second connecting rod 32, a first end of the support cylinder 332 along the axial direction is arranged on the second end of the elastic member 331, and a second end of the support cylinder 332 along the axial direction is used to support the second connecting arm 2. By arranging the support cylinder 332 on the second connecting rod 32, the elastic member 331 can only stretch and contract along the axial direction of the first connecting rod 31, thereby improving the stability and reliability of adjusting the spacing between the first connecting arm 1 and the second connecting arm 2. In addition, the spacing between the first connecting arm 1 and the second connecting arm 2 can be further adjusted by replacing the support cylinder 332 with different axial lengths, thereby further improving the versatility of the grid connection structure. It can be understood that the axial direction of the support cylinder 332 is parallel to the axial direction of the first connecting rod 31.
[0039] Optionally, as shown in Figures 1-3 The elastic adjusting structure 33 further comprises a support piece 333 sleeved on the second connecting rod 32, the support piece 333 is arranged on the second end of the elastic member 331, and the first end of the support cylinder 332 along the axial direction is arranged on the support piece 333. By arranging the support piece 333, the contact area with the first end of the support cylinder 332 along the axial direction can be increased, thereby further improving the stability and reliability of adjusting the spacing between the first connecting arm 1 and the second connecting arm 2.
[0040] Preferably, as shown in Figures 1-3As shown, the first connecting rod 31 is provided with a first groove and a second groove which are connected in the axial direction, and a supporting surface 311 which is located at the connection of the first groove and the second groove. The first end of the second connecting rod 32 is fixedly arranged in the first groove in the axial direction; the elastic member 331 is located in the second groove and at the outer periphery of the second connecting rod 32, and the first end of the elastic member 331 is supported on the supporting surface 311. In this way, the elastic restoring force of the elastic member 331 can drive the second connecting arm 2 to move to adjust the distance between the first connecting arm 1 and the second connecting arm 2, and can reduce the risk of damage or even destruction of the elastic member 331 by external structures, and can improve the appearance. It can be understood that the groove diameter of the second groove is greater than the groove diameter of the first groove.
[0041] Specifically, the first end of the elastic member 331 is supported on the supporting surface 311; or, the first end of the elastic member 331 is welded to the supporting surface 311. Specifically, the first end of the second connecting rod 32 is inserted into the first groove in the axial direction with interference; or, the first end of the second connecting rod 32 is welded to the inner wall of the first groove in the axial direction; or, the first end of the second connecting rod 32 is threadedly connected to the first groove in the axial direction; or, the first end of the second connecting rod 32 is integrally formed with the first connecting rod 31 in the axial direction.
[0042] Further preferably, the first end of the supporting cylinder 332 is inserted into the second groove in the axial direction, and the second end of the supporting cylinder 332 extends out of the second groove. In this way, the elastic member 331 is completely located in the second groove, which can avoid the risk of damage or even destruction of the elastic member 331 by external structures, and can improve the appearance.
[0043] In some embodiments, the second end of the elastic member 331 extends out of the second groove and elastically abuts against the second connecting arm 2. In other embodiments, the second end of the supporting cylinder 332 extends out of the second groove and abuts against the second connecting arm 2, and the elastic member 331 is completely located in the second groove or the second end of the elastic member 331 extends out of the second groove.
[0044] Preferably, the first end of at least one first connecting rod 31 is rotationally connected to the end of the first connecting arm 1 in the axial direction. This facilitates the two second connecting rods 32 to pass through the grid holes of the two grids one by one. Specifically, the first end of one of the first connecting rods 31 is rotationally connected to the end of one of the first connecting arms 1 in the axial direction, and the first end of the other first connecting rod 31 is fixedly connected to the end of one of the first connecting arms 1 in the axial direction. As an alternative, the first ends of the two first connecting rods 31 are rotationally connected to the two ends of the first connecting arm 1 one by one in the axial direction. As another alternative, the first ends of the two first connecting rods 31 are fixedly connected to the two ends of the first connecting arm 1 one by one in the axial direction. In this embodiment, the first ends of the two first connecting rods 31 are rotationally connected to the two ends of the first connecting arm 1 one by one in the axial direction.
[0045] Specifically, as shown in Figure 1 and Figure 2 The outer periphery of the second connecting rod 32 is provided with an external thread, and the locking member 34 is a nut which is threadedly connected with the external thread. In this way, the locking member 34 and the second connecting rod 32 are detachably connected.
[0046] The utility model also provides offshore wind turbine platform, including two grating, still include the grating connection structure above, two second connecting rod 32 correspondingly are arranged in the grating hole of two grating. Through using above-mentioned grating connection structure connects two grating, can be convenient to replace or maintain grating on the basis of guaranteeing the reliability of connection, and be suitable for connecting grating of different size specifications.
[0047] It can be understood that the grating connection structure can also be used to connect other structures having connecting holes.
[0048] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not intended to limit the embodiments of the utility model. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the utility model. It is unnecessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. Grid connection structure, characterized in that, The invention comprises a first connecting arm (1), a second connecting arm (2) and two connecting rod structures (3); the two ends of the first connecting arm (1), the two ends of the second connecting arm (2) and the two connecting rod structures (3) are all arranged in a one-to-one correspondence; the connecting rod structure (3) comprises: a first connecting rod (31), wherein a first end of the first connecting rod (31) along an axial direction is connected to an end portion of the first connecting arm (1); a second connecting rod (32), wherein a first end of the second connecting rod (32) in the axial direction is fixedly disposed in the first connecting rod (31), and a second end of the second connecting rod (32) in the axial direction extends out of the second end of the first connecting rod (31) in the axial direction; An elastic adjustment structure (33) and a locking piece (34), wherein the elastic adjustment structure (33) is arranged on the first connecting rod (31), and the locking piece (34) is detachably connected to the second connecting rod (32); the end of the second connecting arm (2) is sleeved on the second connecting rod (32) and supported by the elastic adjustment structure (33), and the elastic restoring force of the elastic adjustment structure (33) can drive the second connecting arm (2) to elastically press against the locking piece (34) along the axial direction of the first connecting rod (31).
2. The grid connection structure according to claim 1, characterized in that: The elastic adjustment structure (33) comprises an elastic member (331), wherein a first end of the elastic member (331) is arranged on the first connecting rod (31) along the axial direction of the first connecting rod (31), and a second end of the elastic member (331) is used to support the second connecting arm (2).
3. The grid connection structure according to claim 2, characterized in that: The elastic adjustment structure (33) further comprises a support tube (332) slidably sleeved outside the second connecting rod (32), wherein the first end of the support tube (332) along the axial direction is arranged at the second end of the elastic member (331), and the second end of the support tube (332) along the axial direction is used to support the second connecting arm (2).
4. The grid connection structure according to claim 3, characterized in that: The elastic adjustment structure (33) further includes a support plate (333) slidably sleeved outside the second connecting rod (32), the support plate (333) being arranged at the second end of the elastic member (331), and the first end of the support tube (332) along the axial direction being arranged at the support plate (333).
5. The grid connection structure according to any one of claims 2 to 4, characterized in that: The first connecting rod (31) is provided with a first groove and a second groove connected in an axial direction, and a support surface (311), wherein the support surface (311) is located at the connection point between the first groove and the second groove; The first end of the second connecting rod (32) along the axial direction is fixedly arranged in the first groove; the elastic member (331) is located in the second groove and on the outer periphery of the second connecting rod (32), and the first end of the elastic member (331) is supported on the supporting surface (311).
6. The grid connection structure according to claim 5, characterized in that: The elastic member (331) is sleeved on the outer periphery of the second connecting rod (32).
7. The grid connection structure according to claim 5, characterized in that: There are multiple elastic members (331), and the multiple elastic members (331) are distributed at intervals on the outer periphery of the second connecting rod (32).
8. The grid connection structure according to any one of claims 1 to 4, characterized in that: A first end of at least one of the first connecting rods (31) is rotatably connected to an end portion of the first connecting arm (1) along an axial direction.
9. The grid connection structure according to any one of claims 1 to 4, characterized in that: The outer periphery of the second connecting rod (32) is provided with an external thread, and the locking member (34) is a nut, which is threadably connected to the external thread.
10. An offshore wind turbine platform comprising two grids, characterized in that: It also includes the grille connection structure according to any one of claims 1 to 9, wherein the two second connection rods (32) are respectively passed through the grille holes of the two grilles.