Basa wood core material reinforced wind power blade web

Abstract

The utility model relates to the technical field of wind power blade webs, and discloses a balsa wood core material reinforced wind power blade web which comprises a first wind power blade shell and a second wind power blade shell fixedly arranged on the first wind power blade shell. A shell chamber is arranged between the first wind power blade shell and the second wind power blade shell, and a first balsa wood core material blade web and a second balsa wood core material blade web are fixedly bonded to the inner wall of the shell chamber. The multiple first spiral blades and the multiple second spiral blades are jointly spliced into a conical spiral type and are matched with shell chambers in the first wind power blade shell and the second wind power blade shell. And the first T-shaped side wall supporting plates and the second T-shaped side wall supporting plates on the multiple first spiral blades and the multiple second spiral blades are spirally adhered to the inner wall of the shell chamber in a conical manner, so that the stability of adhesion between the web plates of the first balsa wood core material blades and the inner wall of the shell chamber and between the web plates of the second balsa wood core material blades and the inner wall of the shell chamber is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of wind blade webs, in particular to a balsa wood core material reinforced wind blade web. Background Art

[0002] Balsa wood core wind blade is a wind turbine blade that uses balsa wood as the core material. Balsa wood is a lightweight wood with good strength, commonly used in aerospace and wind energy fields. A web structure is provided in the balsa wood core wind blade, and its structure is usually a sandwich structure, that is, a foam core material is sandwiched between two sides of fiberglass. The most common foam core material currently uses PVC foam board.

[0003] There is currently a wind turbine blade web (authorization announcement number: CN212555099U). The wind blade web of this structure is adhesively fixed inside the wind blade shell, so that the top contact surface and the bottom contact surface on the wind blade web are adhesively fixed to the inner wall of the wind blade shell. The stability of this bonding method of the wind blade web needs to be further enhanced; therefore, we propose a balsa wood core reinforced wind blade web to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a balsa wood core material reinforced wind blade web to solve the above problems.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A balsa wood core reinforced wind blade web comprises a first wind blade shell and a second wind blade shell, wherein the second wind blade shell is fixedly arranged on the first wind blade shell, and a shell chamber is arranged between the first wind blade shell and the second wind blade shell, and the inner walls of the shell chamber are respectively fixedly bonded with the first balsa wood core blade web and the second balsa wood core blade web, a first side wall supporting mechanism is arranged on one side of the first balsa wood core blade web, a second side wall supporting mechanism is arranged on one side of the second balsa wood core blade web, and a plurality of connecting supporting mechanisms are respectively arranged on the sides of the first balsa wood core blade web and the second balsa wood core blade web that are close to each other.

[0007] Preferably, the first balsa wood core material blade web and the second balsa wood core material blade web in the shell chamber are symmetrically arranged, and the top contact surface and the bottom contact surface of the first balsa wood core material blade web and the second balsa wood core material blade web are bonded and fixed in the shell chamber.

[0008] Preferably, the first side wall support mechanism includes a first spiral blade and a first T-shaped side wall support plate, and a plurality of first spiral blades are fixedly installed on one side of the web of the first balsa wood core material blade, and a first T-shaped side wall support plate is provided on each of the plurality of first spiral blades, and the outer walls of the plurality of first T-shaped side wall support plates are bonded and fixed to an inner wall on one side of the shell chamber; this facilitates enhancing the stability of the bonding between the web of the first balsa wood core material blade and the inner wall of the shell chamber.

[0009] Preferably, the second side wall support mechanism includes a second spiral blade and a second T-shaped side wall support plate, and a plurality of second spiral blades are distributed and fixedly installed on one side of the web of the second balsa wood core material blade, and a second T-shaped side wall support plate is provided on each of the plurality of second spiral blades, and the outer side walls of the plurality of second T-shaped side wall support plates are bonded and fixed to the inner wall on the other side of the shell chamber; this facilitates enhancing the stability of the bonding between the web of the second balsa wood core material blade and the inner wall of the shell chamber.

[0010] Preferably, the plurality of first spiral blades and the plurality of second spiral blades are all arranged in a conical spiral structure, so that the plurality of first spiral blades and the plurality of second spiral blades are bonded and fixed to the shell chambers in the first wind blade shell and the second wind blade shell.

[0011] Preferably, the connecting support mechanism includes a support plate, a first threaded column, a second threaded column and a threaded barrel, and the first balsa wood core material blade web and the second balsa wood core material blade web are fixedly installed on one side close to each other with a support plate, and the two support plates are respectively fixedly installed on one side close to each other with a first threaded column and a second threaded column, and the first threaded column and the second threaded column are threadedly sleeved with the same threaded barrel; through multiple sets of connecting support mechanisms, the stability of the supporting connection between the first balsa wood core material blade web and the second balsa wood core material blade web is improved, and the stability of the entire balsa wood core material wind blade shell is further enhanced.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The balsa wood core reinforced wind blade web is configured such that a plurality of first spiral blades are fixedly provided on one side of a first balsa wood core blade web, and a plurality of second spiral blades are fixedly provided on one side of a second balsa wood core blade web. The plurality of first spiral blades and the plurality of second spiral blades are assembled together into a conical spiral and adapted to the shell chambers within the first wind blade shell and the second wind blade shell, so that the first T-shaped side wall support plates and the second T-shaped side wall support plates on the plurality of first spiral blades and the plurality of second spiral blades are conically spirally bonded to the inner wall of the shell chamber, thereby enhancing the stability of the bonding between the first balsa wood core blade web and the second balsa wood core blade web and the inner wall of the shell chamber.

[0014] The balsa wood core reinforced wind blade web is constructed by sequentially screwing a plurality of threaded barrels so that the threaded barrels are threadedly installed in the middle position of the corresponding first threaded column and the second threaded column. With the cooperation of a plurality of sets of connection support mechanisms, the stability of the supporting connection between the first balsa wood core blade web and the second balsa wood core blade web is improved, thereby further enhancing the stability of the entire balsa wood core wind blade shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the utility model from a three-dimensional perspective;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model in side section;

[0017] Figure 3 This is a schematic structural diagram of the utility model from a first explosion perspective;

[0018] Figure 4 This is a schematic structural diagram of the second explosion perspective of the present invention;

[0019] Figure 5 This is a schematic diagram of the structure of the utility model in a planar cross-section;

[0020] Figure 6 This is a structural diagram from the perspective of the connecting support mechanism of the utility model.

[0021] In the figure: 1. First wind blade shell; 2. Second wind blade shell; 3. Shell chamber; 4. First balsa wood core material blade web; 5. Second balsa wood core material blade web; 6. First spiral blade; 7. First T-shaped side wall support plate; 8. Second spiral blade; 9. Second T-shaped side wall support plate; 10. Support plate; 11. First threaded column; 12. Second threaded column; 13. Threaded barrel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Reference Figure 1-6A balsa wood core reinforced wind blade web comprises a first wind blade shell 1 and a second wind blade shell 2. The second wind blade shell 2 is fixedly arranged on the first wind blade shell 1, and a shell chamber 3 is arranged between the first wind blade shell 1 and the second wind blade shell 2. The inner walls of the shell chamber 3 are respectively fixedly bonded with a first balsa wood core blade web 4 and a second balsa wood core blade web 5. A first side wall supporting mechanism is arranged on one side of the first balsa wood core blade web 4, and a second side wall supporting mechanism is arranged on one side of the second balsa wood core blade web 5. A plurality of connecting supporting mechanisms are respectively arranged on the sides where the first balsa wood core blade web 4 and the second balsa wood core blade web 5 are close to each other.

[0024] Furthermore, the first balsa wood core blade web 4 and the second balsa wood core blade web 5 in the shell chamber 3 are symmetrically arranged, and the top contact surface and the bottom contact surface of the first balsa wood core blade web 4 and the second balsa wood core blade web 5 are bonded and fixed in the shell chamber 3.

[0025] Furthermore, the first side wall support mechanism includes a first spiral blade 6 and a first T-shaped side wall support plate 7. A plurality of first spiral blades 6 are fixedly installed on one side of the first balsa wood core material blade web 4. A first T-shaped side wall support plate 7 is provided on each of the plurality of first spiral blades 6. The outer walls of the plurality of first T-shaped side wall support plates 7 are bonded and fixed to an inner wall of one side of the shell chamber 3; this is convenient for enhancing the stability of the bonding between the first balsa wood core material blade web 4 and the inner wall of the shell chamber 3.

[0026] Specifically, the second side wall support mechanism includes a second spiral blade 8 and a second T-shaped side wall support plate 9. A plurality of second spiral blades 8 are distributed and fixedly installed on one side of the second balsa wood core material blade web 5. A second T-shaped side wall support plate 9 is provided on each of the plurality of second spiral blades 8. The outer walls of the plurality of second T-shaped side wall support plates 9 are bonded and fixed to the inner wall of the other side of the shell chamber 3; this facilitates enhancing the stability of the bonding between the second balsa wood core material blade web 5 and the inner wall of the shell chamber 3.

[0027] Specifically, the multiple first spiral blades 6 and the multiple second spiral blades 8 are all arranged in a conical spiral structure, which facilitates the bonding and fixing of the multiple first spiral blades 6 and the multiple second spiral blades 8 in the shell chamber 3 inside the first wind blade shell 1 and the second wind blade shell 2.

[0028] Furthermore, the connecting support mechanism includes a support plate 10, a first threaded column 11, a second threaded column 12 and a threaded barrel 13. The support plate 10 is fixedly installed on the side where the first balsa wood core blade web 4 and the second balsa wood core blade web 5 are close to each other, and the first threaded column 11 and the second threaded column 12 are fixedly installed on the side where the two support plates 10 are close to each other. The same threaded barrel 13 is threadedly installed on the first threaded column 11 and the second threaded column 12; through multiple sets of connecting support mechanisms, the stability of the supporting connection between the first balsa wood core blade web 4 and the second balsa wood core blade web 5 is improved, and the stability of the entire balsa wood core wind blade shell is further enhanced.

[0029] When in use: The balsa wood core material wind blade web in this case is fixed with a plurality of first spiral blades 6 on one side of the first balsa wood core material blade web 4, and fixed with a plurality of second spiral blades 8 on one side of the second balsa wood core material blade web 5. The plurality of first spiral blades 6 and the plurality of second spiral blades 8 are assembled together into a conical spiral and adapted to the shell chamber 3 in the first wind blade shell 1 and the second wind blade shell 2, so that the first T-shaped side wall support plate 7 and the second T-shaped side wall support plate 8 on the plurality of first spiral blades 6 and the plurality of second spiral blades 8 are connected to each other. The wall support plate 9 is conically spirally bonded to the inner wall of the shell chamber 3, thereby improving the stability of the bonding between the first balsa wood core material blade web 4 and the second balsa wood core material blade web 5 and the inner wall of the shell chamber 3; at the same time, by screwing multiple threaded cylinders 13 in sequence, the threaded cylinders 13 are threadedly installed in the middle position corresponding to the first threaded column 11 and the second threaded column 12, thereby improving the stability of the supporting connection between the first balsa wood core material blade web 4 and the second balsa wood core material blade web 5, and further enhancing the stability of the entire balsa wood core material wind blade shell.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A balsa wood core reinforced wind blade web, comprising a first wind blade shell (1) and a second wind blade shell (2), characterized in that: A second wind blade shell (2) is fixedly arranged on the first wind blade shell (1); a shell chamber (3) is arranged between the first wind blade shell (1) and the second wind blade shell (2); a first balsa wood core material blade web (4) and a second balsa wood core material blade web (5) are fixedly bonded to the inner wall of the shell chamber (3); a first side wall supporting mechanism is arranged on one side of the first balsa wood core material blade web (4); a second side wall supporting mechanism is arranged on one side of the second balsa wood core material blade web (5); and a plurality of connecting supporting mechanisms are respectively arranged on the sides of the first balsa wood core material blade web (4) and the second balsa wood core material blade web (5) that are close to each other.

2. The balsa wood core reinforced wind blade web according to claim 1, characterized in that: The first balsa wood core material blade web (4) and the second balsa wood core material blade web (5) in the shell chamber (3) are symmetrically arranged.

3. The balsa wood core reinforced wind blade web according to claim 1, characterized in that: The first side wall support mechanism comprises a first spiral blade (6) and a first T-shaped side wall support plate (7); a plurality of first spiral blades (6) are fixedly mounted on one side of the first balsa wood core material blade web (4); a first T-shaped side wall support plate (7) is provided on each of the plurality of first spiral blades (6); and outer side walls of the plurality of first T-shaped side wall support plates (7) are bonded and fixed to an inner wall of one side of the shell chamber (3).

4. The balsa wood core reinforced wind blade web according to claim 3, characterized in that: The second side wall support mechanism comprises a second spiral blade (8) and a second T-shaped side wall support plate (9); a plurality of second spiral blades (8) are distributed and fixedly mounted on one side of the second balsa wood core material blade web (5); a second T-shaped side wall support plate (9) is provided on each of the plurality of second spiral blades (8); and outer side walls of the plurality of second T-shaped side wall support plates (9) are bonded and fixed to the inner wall of the other side of the shell chamber (3).

5. The balsa wood core reinforced wind blade web according to claim 4, characterized in that: The plurality of first spiral blades (6) and the plurality of second spiral blades (8) are all arranged in a conical spiral structure.

6. The balsa wood core reinforced wind blade web according to claim 1, characterized in that: The connecting support mechanism comprises a support plate (10), a first threaded column (11), a second threaded column (12) and a threaded barrel (13); the first balsa wood core material blade web (4) and the second balsa wood core material blade web (5) are fixedly mounted with the support plate (10) on their mutually adjacent sides; the first threaded column (11) and the second threaded column (12) are respectively fixedly mounted with their mutually adjacent sides of the two support plates (10); and the first threaded column (11) and the second threaded column (12) are threadedly sleeved with the same threaded barrel (13).

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