Fixing device for wind power metal net filter
By designing the wind power metal mesh filter fixing device of the box-cass-type load-bearing frame, the problem of space and safety risks of the filter cotton frame is solved, the stable fixation of the filter and the expansion of the layout area are achieved, and the safety and reliability of the equipment are improved.
Patent Information
- Application Number
- CN202422243278.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-13
AI Technical Summary
In the existing wind turbine cabin ventilation system, the filter cotton frame is a non-load-bearing structure, which occupies space and has safety risks, affecting the normal operation of the equipment.
A wind power metal mesh filter fixing device is designed, using a box-cass type load-bearing frame, which is connected by hinges and bolts to the upper cover assembly to fix the filter, expanding the layout of the ventilation filter.
The ventilation filter is stable and fixed, the layout area is expanded, the maintenance frequency is reduced, and the safety and reliability of the equipment are increased.
Smart Images

Figure CN223069261U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind power metal mesh filters, in particular to a fixing device for a wind power metal mesh filter. Background Art
[0002] Wind power generation is the development of pollution-free renewable energy. With the promotion of "carbon peak" and "carbon neutrality", wind power will become an important part of the new power system and an important development direction. The construction of wind power installation is difficult, the quality and volume of parts are large, and the transportation cost is high. Therefore, it is very important to develop and design special wind power installation equipment for wind farms.
[0003] The purpose of the design of the nacelle ventilation system is to provide the required combustion air volume for the combustion equipment in the nacelle, take away the heat dissipated by the equipment, and create a suitable environmental condition for the nacelle staff. The ventilation system is not only an important part of the power device, but also a basic link in wind power manufacturing. Whether the ventilation system is reasonably configured directly affects whether the wind power device can operate normally, reliably and safely.
[0004] In the prior art, filter cotton is arranged at the ventilation opening, and outside air is introduced by a fan and purified under the action of the filter cotton to prevent particulate matters such as dust, particles and salt spray from entering the nacelle, tower barrel and equipment and damaging the equipment.
[0005] However, most of the existing filter cotton frames are non-load-bearing structures; there are many filter cotton arrangements, which will occupy the limited load-bearing space and easily cause certain safety risks. Therefore, we propose a fixing device for a wind power metal mesh filter. Content of the Utility Model
[0006] The purpose of the utility model is to provide a fixing device for a wind power metal mesh filter. By setting a fixing mechanism, it is convenient to fixedly connect with the wind turbine nacelle by using the bottom cover assembly, and then connect the upper cover assembly with the bottom cover assembly. A filter can be placed between the upper cover assembly and the bottom cover assembly. The fixing device uses a box-type load-bearing frame, which expands the deployable places of the ventilation filter.
[0007] To achieve the above purpose, the utility model provides the following technical scheme: a fixing device for a wind power metal mesh filter, including a wind turbine nacelle, a fixing mechanism is arranged below the wind turbine nacelle, and the fixing mechanism includes:
[0008] A gasket, the gasket is located at the bottom of the wind turbine nacelle;
[0009] A bottom cover assembly, the bottom cover assembly is fixedly connected to the bottom of the gasket;
[0010] Upper cover assembly, the upper cover assembly is located at the bottom of the bottom cover assembly, and a filter is placed between the bottom cover assembly and the upper cover assembly. One side of the upper cover assembly is hinged to one side of the bottom cover assembly.
[0011] Preferably, the bottom cover assembly includes a bottom cover frame, a plurality of bottom cover vertical rods fixedly connected to the inside of the bottom cover frame, and a plurality of bottom cover horizontal rods fixedly connected to the inner sides of the bottom cover vertical rods.
[0012] Preferably, the upper cover assembly includes an upper cover frame, a plurality of upper cover vertical rods fixedly connected to the inside of the upper cover frame, and a plurality of upper cover horizontal rods fixedly connected to the inner sides of the upper cover vertical rods.
[0013] Preferably, the wind turbine nacelle includes a nacelle seat and a raised frame fixedly connected to one side of the nacelle seat. The cross-sectional size inside the raised frame, the cross-sectional profile outside the gasket, the cross-sectional profile outside the bottom cover assembly, and the cross-sectional profile outside the upper cover assembly are adapted to each other.
[0014] Preferably, a plurality of nacelle reserved threaded holes are provided on the outer surface of the wind turbine nacelle, a plurality of through holes are provided on the outer surface of the gasket, a plurality of bottom cover threaded holes are provided on the outer surface of the bottom cover assembly. A fixing bolt is commonly threadedly connected inside each nacelle reserved threaded hole, the through hole corresponding to the nacelle reserved threaded hole, and the bottom cover threaded hole corresponding to the through hole. A plurality of second installation threaded holes are provided on one side of the bottom cover assembly, and a plurality of first installation threaded holes are provided on one side of the upper cover assembly. A connecting bolt is commonly threadedly connected inside each first installation threaded hole and the corresponding second installation threaded hole.
[0015] Preferably, a first connection threaded hole is provided on the side of the bottom cover assembly. A stainless steel hinge is hinged to one side of the upper cover assembly. A second connection threaded hole is provided on the outer surface of the stainless steel hinge. A connecting bolt is commonly threadedly connected inside each first connection threaded hole and the corresponding second connection threaded hole.
[0016] Technical effects and advantages of the present utility model:
[0017] By setting a fixing mechanism, the gasket is placed at the bottom of the wind turbine nacelle, then the bottom cover assembly is fixedly connected to the bottom end of the wind turbine nacelle, then the filter is placed on the outer surface of the bottom cover assembly, then one side of the bottom cover assembly is hinged to one side of the upper cover assembly, and then the bottom cover assembly is fixedly connected to the upper cover assembly, so as to fix the filter by using the bottom cover assembly and the upper cover assembly. This fixing device uses a box-type load-bearing frame, which can facilitate people to stand on it, and at the same time expands the deployable space for the ventilation filter. Through the optimization and improvement of the structure, people can stand on the place where the ventilation filter is arranged and bear heavy objects, which can increase the arrangement area of the ventilation filter, extend the service time of the filter, reduce the replacement frequency, and reduce the maintenance cost. Description of the drawings
[0018] Figure 1 This is a schematic diagram of the internal structure of the present utility model.
[0019] Figure 2 This is a schematic diagram of the wind turbine nacelle structure of the present utility model.
[0020] Figure 3 This is a schematic diagram of the gasket structure of the present utility model.
[0021] Figure 4 This is a schematic diagram of the bottom cover assembly structure of the present utility model.
[0022] Figure 5 This is a schematic diagram of the upper cover assembly structure of the present utility model.
[0023] In the figure: 1. Wind turbine nacelle; 101. Nacelle seat; 102. Raised frame; 2. Gasket; 3. Bottom cover assembly; 301. Bottom cover frame; 302. Bottom cover vertical rod; 303. Bottom cover cross rod; 4. Upper cover assembly; 401. Upper cover frame; 402. Upper cover vertical rod; 403. Upper cover cross rod; 5. Nacelle reserved threaded hole; 6. Through hole; 7. Bottom cover threaded hole; 8. First connection threaded hole; 9. Second connection threaded hole; 10. Stainless steel hinge; 11. First installation threaded hole; 12. Second installation threaded hole. Detailed implementation manners
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0025] The present utility model provides as Figures 1-5A fixing device for a wind power metal mesh filter as shown includes a wind turbine nacelle 1. A fixing mechanism is provided below the wind turbine nacelle 1. The fixing mechanism includes: a gasket 2, and the gasket 2 is located at the bottom of the wind turbine nacelle 1; a bottom cover assembly 3, and the bottom cover assembly 3 is fixedly connected to the bottom of the gasket 2; an upper cover assembly 4, and the upper cover assembly 4 is located at the bottom of the bottom cover assembly 3, and a filter is placed between the bottom cover assembly 3 and the upper cover assembly 4. One side of the upper cover assembly 4 is hinged to one side of the bottom cover assembly 3; by providing the fixing mechanism, the gasket 2 is placed at the bottom of the wind turbine nacelle 1, then the bottom cover assembly 3 is fixedly connected to the bottom end of the wind turbine nacelle 1, then the filter is placed on the outer surface of the bottom cover assembly 3, then one side of the bottom cover assembly 3 is hinged to one side of the upper cover assembly 4, and then the bottom cover assembly 3 is fixedly connected to the upper cover assembly 4, so as to fix the filter by using the bottom cover assembly 3 and the upper cover assembly 4. This fixing device uses a box-type load-bearing frame, which is convenient for people to stand on, and at the same time expands the deployable area of the ventilation filter.
[0026] It should be further noted that the bottom cover assembly 3 includes a bottom cover frame 301, a plurality of bottom cover vertical bars 302 fixedly connected inside the bottom cover frame 301, and a plurality of bottom cover horizontal bars 303 fixedly connected to the inner sides of the bottom cover vertical bars 302; by fixedly connecting the bottom cover vertical bars 302 and the bottom cover horizontal bars 303, the bottom cover vertical bars 302 and the bottom cover horizontal bars 303 form a bottom cover grid, which is convenient for filtering and also convenient for bearing people to stand.
[0027] Furthermore, the upper cover assembly 4 includes an upper cover frame 401, a plurality of upper cover vertical bars 402 fixedly connected to the inner side of the upper cover frame 401, and a plurality of upper cover horizontal bars 403 fixedly connected to the inner sides of the upper cover vertical bars 402; by fixedly connecting the upper cover vertical bars 402 and the upper cover horizontal bars 403, the upper cover vertical bars 402 and the upper cover horizontal bars 403 form an upper cover grid, which is convenient for ventilation and also convenient for bearing force and people to stand.
[0028] It should be noted that the wind turbine nacelle 1 includes a nacelle seat 101 and a convex frame 102 fixedly connected to one side of the nacelle seat 101. The cross-sectional dimension inside the convex frame 102 is adapted to the cross-sectional contour outside the gasket 2, the cross-sectional contour outside the bottom cover assembly 3, and the cross-sectional contour outside the upper cover assembly 4; by placing the gasket 2 on the outside of the nacelle seat 101 and then sequentially installing the bottom cover assembly 3 and the upper cover assembly 4, the outer contours of the gasket 2, the bottom cover assembly 3, and the upper cover assembly 4 can be adapted to the inner contour of the convex frame 102, so as to facilitate maintaining the dimensional consistency of the entire fixing device and facilitate the nacelle seat 101 to bear the force better.
[0029] Further, a first connection threaded hole 8 is provided on the side of the bottom cover assembly 3. A stainless steel hinge 10 is hinged to one side of the upper cover assembly 4. A second connection threaded hole 9 is provided on the outer surface of the stainless steel hinge 10. A connection bolt is commonly threadedly connected to the inside of each first connection threaded hole 8 and the inside of the corresponding second connection threaded hole 9; by screwing the connection bolt into the second connection threaded hole 9 on the stainless steel hinge 10 and the first connection threaded hole 8 on the bottom cover assembly 3 of the upper cover assembly 4 in sequence, the bottom cover assembly 3 and the upper cover assembly 4 are connected. In the later stage, the upper cover assembly 4 can be easily flipped through the stainless steel hinge 10.
[0030] Further, a plurality of nacelle reserved threaded holes 5 are provided on the outer surface of the wind turbine nacelle 1. A plurality of through holes 6 are provided on the outer surface of the gasket 2. A plurality of bottom cover threaded holes 7 are provided on the outer surface of the bottom cover assembly 3. A fixing bolt is commonly threadedly connected to the inside of each nacelle reserved threaded hole 5, the inside of the through hole 6 corresponding to the nacelle reserved threaded hole 5, and the inside of the bottom cover threaded hole 7 corresponding to the through hole 6. A plurality of second installation threaded holes 12 are provided on one side of the bottom cover assembly 3. A plurality of first installation threaded holes 11 are provided on one side of the upper cover assembly 4. A connection bolt is commonly threadedly connected to the inside of each first installation threaded hole 11 and the inside of the corresponding second installation threaded hole 12; by screwing the fixing bolt into the bottom cover threaded hole 7 on the bottom cover assembly 3, the through hole 6 on the gasket 2, and the reserved threaded hole 5 on the wind turbine nacelle 1 in sequence, and then screwing the connection bolt into the first installation threaded hole 11 and the second installation threaded hole 12 on the upper cover assembly 4 in sequence, the bottom cover assembly 3 and the upper cover assembly 4 are continuously connected.
[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A fixing device for a wind power metal mesh filter, comprising a wind turbine nacelle (1), characterized in that, A fixing mechanism is provided below the wind turbine nacelle (1), and the fixing mechanism includes: A gasket (2), and the gasket (2) is located at the bottom of the wind turbine nacelle (1); A bottom cover assembly (3), and the bottom cover assembly (3) is fixedly connected to the bottom of the gasket (2); An upper cover assembly (4), and the upper cover assembly (4) is located at the bottom of the bottom cover assembly (3), and a filter is placed between the bottom cover assembly (3) and the upper cover assembly (4). One side of the upper cover assembly (4) is hinged to one side of the bottom cover assembly (3).
2. The fixing device for a wind power metal mesh filter according to claim 1, characterized in that, The bottom cover assembly (3) includes a bottom cover frame (301), a plurality of bottom cover vertical rods (302) fixedly connected to the inside of the bottom cover frame (301), and a plurality of bottom cover cross rods (303) fixedly connected to the inner sides of the bottom cover vertical rods (302).
3. The fixing device for a wind power metal mesh filter according to claim 1, characterized in that The upper cover assembly (4) includes an upper cover frame (401), a plurality of upper cover vertical rods (402) fixedly connected to the inside of the upper cover frame (401), and a plurality of upper cover cross rods (403) fixedly connected to the inner sides of the upper cover vertical rods (402).
4. The fixing device for a wind power metal mesh filter according to claim 1, characterized in that, The wind turbine nacelle (1) includes a nacelle base (101) and a raised frame (102) fixedly connected to one side of the nacelle base (101). The cross-sectional dimension inside the raised frame (102) is adapted to the cross-sectional contour outside the gasket (2), the cross-sectional contour outside the bottom cover assembly (3), and the cross-sectional contour outside the upper cover assembly (4).
5. The fixing device for a wind power metal mesh filter according to claim 1, wherein, A plurality of nacelle reserved threaded holes (5) are formed on the outer surface of the wind turbine nacelle (1), a plurality of through holes (6) are formed on the outer surface of the gasket (2), and a plurality of bottom cover threaded holes (7) are formed on the outer surface of the bottom cover assembly (3). A fixing bolt is commonly threadedly connected inside each nacelle reserved threaded hole (5), the through hole (6) corresponding to the nacelle reserved threaded hole (5), and the bottom cover threaded hole (7) corresponding to the through hole (6). A plurality of second installation threaded holes (12) are formed on one side of the bottom cover assembly (3), and a plurality of first installation threaded holes (11) are formed on one side of the upper cover assembly (4). A connecting bolt is commonly threadedly connected inside each first installation threaded hole (11) and the corresponding second installation threaded hole (12).
6. The fixing device for a wind power metal mesh filter according to claim 1, characterized in that, A first connection threaded hole (8) is formed on the side of the bottom cover assembly (3). A stainless steel hinge (10) is hinged to one side of the upper cover assembly (4), and a second connection threaded hole (9) is formed on the outer surface of the stainless steel hinge (10). A connecting bolt is commonly threadedly connected inside each first connection threaded hole (8) and the corresponding second connection threaded hole (9).