Novel flexible baffle special for wind power generation

Abstract

The utility model relates to the technical field of blade root baffles, in particular to a novel flexible baffle special for wind power, which comprises a blade root baffle, a cover plate, a flexible connecting ring and an outer connecting piece. The flexible connecting ring is mounted on the blade root baffle; and the flexible connecting ring is movably connected with the outer connecting piece. Based on the arrangement of the spring and the flexible connecting plate ring, buffering of force on the blade root baffle can be achieved, in addition, under the action of the spring, the buffering effect can be achieved, damage to the flexible connecting plate ring caused by excessive stretching or compression is avoided, and the service life of the flexible connecting plate ring is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power flexible baffles, in particular to a novel flexible baffle dedicated to wind power. Background Art

[0002] As a member of the new energy family, wind energy plays an important role in promoting the diversification of energy supply and protecting the ecological environment. In recent years, with the advancement of technology, in order to make full use of wind energy and improve the cost per kilowatt-hour, the unit capacity of wind turbines has been increasing, and the blades of wind turbines have become longer and longer. The structure, aerodynamic performance and product quality of the blades have become one of the key factors in measuring the service performance of wind turbines. The existing wind turbine blade root baffle is a rigid connection. After the connection, the force acts on the blade root baffle, which easily causes the blade root baffle to crack and reduces its service life. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the utility model provides a new type of flexible baffle specially used for wind power generation, which can effectively solve the above-mentioned technical problems.

[0004] Technical Solution

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] The utility model provides a novel flexible baffle for wind power generation, which comprises a blade root baffle, a cover plate, a flexible connecting ring and an external connecting piece. The cover plate is installed at the center of the blade root baffle axis; the flexible connecting ring is installed on the blade root baffle; and the flexible connecting ring is movably connected to the external connecting piece.

[0007] Furthermore, the external connecting member includes an external connecting plate ring and a mounting ring, and the two external connecting plate rings are symmetrically mounted on the inner wall of the mounting ring in an upper and lower manner, and the two external connecting plate rings together form a cavity.

[0008] Furthermore, the cross-section of the outer connecting plate ring is an L-shaped structure, and the opening height of the outer connecting plate ring away from the mounting ring end is less than the height of the cavity. A protrusion is provided on the outer end edge of the flexible connecting ring, and the protrusion can be clamped in the cavity between the outer connecting plate rings and can move along the cavity.

[0009] Furthermore, it also includes a buffer connector, one end of which is mounted on the inner wall of the mounting ring, and the other end is connected to the outer end wall of the flexible connecting ring, and the buffer connector is arranged in the cavity.

[0010] Furthermore, the buffer connection member includes a spring, an articulated seat, and a mounting column. One end of the spring is mounted on the mounting ring through the mounting column, and the other end of the spring is mounted on the flexible connection ring through the articulated seat.

[0011] Furthermore, a handle groove is provided on the cover plate.

[0012] Beneficial Effects

[0013] Compared with the known public technology, the technical solution provided by the utility model has the following beneficial effects: based on the setting of the spring and the flexible connecting plate ring, the utility model can achieve the buffering of the force on the blade root baffle. In addition, under the action of the spring, the buffering effect can be achieved to avoid damage to the flexible connecting plate ring caused by excessive stretching or compression, thereby extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 This is a structural schematic diagram of a new type of wind power-specific flexible baffle of the utility model;

[0016] Figure 2 This is a front structural schematic diagram of a new type of wind power-specific flexible baffle of the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the internal structure of a new type of wind power-specific flexible baffle.

[0018] The numbers in the figure represent:

[0019] Blade root baffle 1, cover plate 2, flexible connection ring 3, outer connection plate ring 4, mounting ring 5, spring 6, hinge seat 7, mounting column 8, handle groove 9. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model is further described below in conjunction with embodiments.

[0022] like Figure 1-Figure 3As shown, a new type of flexible baffle specially used for wind power generation comprises a blade root baffle 1, a cover plate 2, a flexible connecting ring 3 and an external connecting piece. The cover plate 2 is installed at the axial center of the blade root baffle 1; the flexible connecting ring is installed on the blade root baffle 1; and the flexible connecting ring 3 is movably connected to the external connecting piece.

[0023] As a preferred embodiment of the above technical solution, the external connecting member includes an external connecting plate ring 4 and a mounting ring 5. The two external connecting plate rings 4 are symmetrically installed on the inner wall of the mounting ring 5, and the two external connecting plate rings 4 together form a cavity.

[0024] As a preferred embodiment of the above technical solution, the cross-section of the outer connecting plate ring 4 is an L-shaped structure, and the opening height of the outer connecting plate ring 4 away from the mounting ring 5 is less than the height of the cavity, and a protrusion is provided on the outer end edge of the flexible connecting ring 3, and the protrusion can be clamped in the cavity between the outer connecting plate rings and can move along the cavity.

[0025] As a preferred embodiment of the above technical solution, it also includes a buffer connector, one end of which is installed on the inner wall of the mounting ring 5 and the other end is connected to the outer end wall of the flexible connecting ring 3, and the buffer connector is arranged in the cavity.

[0026] As a preferred embodiment of the above technical solution, the buffer connection member includes a spring 6, a hinge seat 7, and a mounting column 8. One end of the spring 6 is installed on the mounting ring 5 through the mounting column 8, and the other end of the spring 6 is installed on the flexible connecting ring 3 through the hinge seat 7.

[0027] As a preferred embodiment of the above technical solution, a handle groove 9 is provided on the cover plate 2 .

[0028] The implementation principle of the utility model is as follows:

[0029] Based on the setting of the spring and the flexible connecting plate ring, the force on the blade root baffle can be buffered. In addition, under the action of the spring, a buffering effect can be achieved to avoid damage to the flexible connecting plate ring due to excessive stretching or compression, thereby extending its service life.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein by equivalents. These modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A new type of flexible baffle for wind power, characterized in that: It includes a blade root baffle, a cover plate, a flexible connection ring and an external connection piece. The cover plate is installed at the center of the blade root baffle axis; the flexible connection ring is installed on the blade root baffle; the flexible connection ring is movably connected to the external connection piece; The external connection member includes an external connection plate ring and a mounting ring, wherein two external connection plate rings are symmetrically mounted on the inner wall of the mounting ring, and the two external connection plate rings enclose a cavity; The cross section of the outer connecting plate ring is an L-shaped structure, and the opening height of the outer connecting plate ring away from the mounting ring end is less than the cavity height. A protrusion is provided on the outer end edge of the flexible connecting ring, and the protrusion can be clamped in the cavity between the outer connecting plate rings and can move along the cavity.

2. A new type of wind power dedicated flexible baffle according to claim 1, characterized in that: It also includes a buffer connection piece, one end of which is installed on the inner wall of the installation ring, and the other end is connected to the outer end wall of the flexible connection ring, and the buffer connection piece is arranged in the cavity.

3. A new type of wind power dedicated flexible baffle according to claim 2, characterized in that: The buffer connection member comprises a spring, an articulated seat and a mounting column. One end of the spring is mounted on the mounting ring through the mounting column, and the other end of the spring is mounted on the flexible connection ring through the articulated seat.

4. The novel flexible baffle for wind power according to claim 1 is characterized in that: The cover plate is provided with a handle groove.

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