Novel bionic axial flow pump blade
By designing grooves on the surface of axial flow pump blades that align with the streamline direction, the problem of high fluid flow resistance was solved, thereby improving blade efficiency.
Patent Information
- Application Number
- CN202520271680.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The existing axial flow pump blades have a large fluid flow resistance, which affects efficiency.
The design incorporates biomimetic axial flow pump blades, with grooves on the blade surface aligned with the streamline direction. These grooves include semi-circular and rectangular ones, with the diameter and spacing designed according to a specific ratio, resulting in a smooth transition surface.
This reduces the fluid flow resistance on the blade surface and improves the efficiency of the axial flow pump blades.
Smart Images
Figure CN223754300U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pump blade, concretely relates to a novel bionic axial flow pump blade which can reduce the fluid circumfluence resistance of the blade surface and effectively improve the efficiency of the axial flow pump blade. BACKGROUND
[0002] The axial flow pump has the characteristics of large flow and high lift and is commonly used in the irrigation industry. The axial flow pump can realize the axial flow of fluid, so the axial circumfluence state of the blade of the axial flow pump is particularly important to the performance of the axial flow pump. The flow of a fish in water is basically axial, and the positions of the fish body and the fish fin are not entirely smooth but have specific patterns which can effectively reduce the water resistance and easily control the swimming of the fish. Therefore, the axial flow pump blade can be designed based on the bionic modeling of the fish fin to obtain a high-efficiency axial flow pump blade. SUMMARY
[0003] In view of the above problems, the main purpose of the utility model is to provide a novel bionic axial flow pump blade which can reduce the fluid circumfluence resistance of the blade surface and effectively improve the efficiency of the axial flow pump blade.
[0004] The utility model discloses a novel bionic axial flow pump blade which comprises a blade body, the blade body comprises a body working surface and a body back surface, the body working surface and the body back surface are provided with a plurality of grooves, and the trend of the grooves is consistent with the flow line direction of the blade.
[0005] In the embodiment of the utility model, the groove is a semicircular groove.
[0006] In the embodiment of the utility model, the diameter of the semicircular groove is 1 / 4-2 / 5 of the thickness of the blade.
[0007] In the embodiment of the utility model, the diameter of the semicircular groove is 2-5mm.
[0008] In the embodiment of the utility model, the interval of adjacent grooves is 5-10mm.
[0009] In the embodiment of the utility model, the groove is a rectangular groove, and the two joints of the groove and the blade body are provided with smooth transition surfaces.
[0010] In the embodiment of the utility model, the depth of the rectangular groove is 1 / 4-2 / 5 of the thickness of the blade.
[0011] In the embodiment of the utility model, the depth of the rectangular groove is 2-5mm.
[0012] In the embodiment of the utility model, the interval of the adjacent rectangular grooves is 5-10mm.
[0013] In the embodiment of the utility model, the groove and the blade body are integrally formed.
[0014] The positive progress effect of the utility model lies in that the novel bionic axial flow pump blade provided by the utility model has the following advantages compared with common technology: the utility model can reduce the fluid circumfluence resistance of the blade surface and effectively improve the efficiency of the axial flow pump blade. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall structure schematic view of the utility model.
[0016] Figure 2 It is the local enlarged view of the groove part in the utility model.
[0017] The following is the name corresponding to the mark in the utility model:
[0018] The blade body 1, the groove 2. DETAILED DESCRIPTION
[0019] The following gives the preferred embodiment of the utility model in combination with the drawings to specifically explain the technical scheme of the utility model.
[0020] Figure 1 It is the overall structure schematic view of the utility model, Figure 2 It is the local enlarged view of the groove part in the utility model, as Figures 1-2 Indicated, the utility model provides a novel bionic axial flow pump blade, the novel bionic axial flow pump blade includes: blade body 1, the blade body 1 includes body working face and body back, and the body working face and the body back are provided with a plurality of grooves 2, and the trend of groove is consistent with the flow line direction of blade.
[0021] The groove 2 in the utility model can have multiple forms, and the most typical ones are two: the cross section is semicircular and the cross section is rectangular.
[0022] Embodiment 1: the groove 2 in the utility model is the groove with semicircular cross section.
[0023] The diameter of the semicircular groove is 1 / 4-2 / 5 of the thickness of the blade, the diameter range of the semicircular groove is 2-5mm, and the interval of adjacent grooves is 5-10mm. In the specific implementation process, the above parameters can select other values or ranges.
[0024] In the specific implementation process, the groove and the blade body of the utility model are integrally formed, and when the groove is a rectangular cross-section groove, the two joints of the groove and the blade body are provided with smooth transition surfaces.
[0025] In the specific implementation process, the groove and the blade body of the utility model are integrally formed, and when the groove is a rectangular cross-section groove, the two joints of the groove and the blade body are provided with smooth transition surfaces.
[0026] Through the above design, the utility model can reduce the fluid flow resistance of the blade surface, effectively improve the efficiency of the axial flow pump blade.
[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A new biomimetic axial flow pump blade characterized by: The new biomimetic axial flow pump blade comprises a blade body, the blade body comprises a body working surface and a body back surface, and the body working surface and the body back surface are both provided with a plurality of grooves, the trend of the grooves is consistent with the flow line direction of the blade.
2. The novel biomimetic axial flow pump blade according to claim 1, characterized in that: The groove is a semicircular groove in cross section.
3. The novel biomimetic axial flow pump blade according to claim 2, characterized in that: The diameter of the semicircular groove is 1 / 4-2 / 5 of the thickness of the blade.
4. The new biomimetic axial flow pump blade according to claim 2 or 3, characterized in that: The diameter of the semicircular groove ranges from 2 to 5 mm.
5. The novel biomimetic axial flow pump blade according to claim 1, characterized in that: The interval between adjacent grooves is 5-10 mm.
6. The novel biomimetic axial flow pump blade according to claim 1, characterized in that: The groove is a rectangular groove in cross section, and a smooth transition surface is arranged at the two joints of the groove and the blade body.
7. The novel biomimetic axial flow pump blade of claim 6, wherein: The depth of the rectangular groove is 1 / 4-2 / 5 of the thickness of the blade.
8. The novel biomimetic axial flow pump blade according to claim 6 or 7, characterized in that: The depth of the rectangular groove ranges from 2 to 5 mm.
9. The novel biomimetic axial flow pump blade of claim 6, wherein: The interval between adjacent rectangular grooves is 5-10 mm.
10. The novel biomimetic axial flow pump blade of claim 1, wherein: The groove and the blade body are integrally formed.