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A modular split assembled axial flow fan impeller and its assembly method

A technology for fan impellers and assembly methods, which is applied to parts of pumping devices for elastic fluids, liquid fuel engines, mechanical equipment, etc., and can solve problems such as increased production costs for users, deformation or breakage of blades, scrapping of impellers, etc. Achieve the effects of improving stability and safety, prolonging service life, and reducing axial wind noise

Active Publication Date: 2022-04-22
江苏优格曼航空科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing axial flow fan impellers are generally one-piece, one is integrally welded, and the other is integrally cast. Since the blades and the hub are fixedly connected in these two molding methods, it means that when a certain blade breaks When it is damaged, the entire impeller will be scrapped, which increases the production cost of the user; at the same time, the integrated fan impeller is also extremely inconvenient during transportation and storage, which not only wastes more storage space, but also easily causes the blade to be damaged under heavy load. Deformation or breakage under pressure

Method used

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  • A modular split assembled axial flow fan impeller and its assembly method
  • A modular split assembled axial flow fan impeller and its assembly method
  • A modular split assembled axial flow fan impeller and its assembly method

Examples

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Embodiment

[0033] Example: such as figure 1 , 4 A modular split-assembled axial-flow fan impeller shown includes a mounting sleeve 1, a hub 2, a disc 3 and blades 4; the mounting sleeve 1 is provided with a keyway 10 in the axial direction, and the outer wall is provided with a second A limit groove 11 and a second limit groove 12, the first limit groove 11 is provided with two groups, each group is provided with 3 pieces, and the ring is distributed at both ends of the installation sleeve 1, the number of the second limit groove 12 It corresponds to the first limiting groove 11 and is located between two groups of first limiting grooves 11;

[0034] Such as figure 2 , 5 As shown, the hub 2 is spliced ​​by three wheel petals 20, and the inner side of each wheel petal 20 is provided with a first installation arc plate 21, and each wheel petal 20 passes through the first installation arc plate 21 and each second limiting groove respectively. 12 installation and fixing;

[0035] Such ...

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Abstract

The invention discloses a modular split assembled axial flow fan impeller and an assembly method thereof. The impeller includes a mounting shaft sleeve, a hub, a disc and blades; the hub is set in the middle of the mounting sleeve, and the disc includes a first wheel disc and the second disc, the first disc and the second disc are clamped on both sides of the installation bushing and connected to the hub, the blades are clamped between the first disc and the second disc, and connected to the second disc The first wheel and the second wheel are connected and fixed; when assembling, the hub is first clamped in the middle of the installation bushing and fixed by bolts, the first wheel is clamped on the side of the installation bushing, and it is connected with the bolts The hub is fixed, and the blade is fixed to the first wheel, and then the second wheel is respectively fixed to the hub and the blade; the blade structure of the invention is reasonable in design, has high assembly stability and reliability, and is suitable for mass promotion.

Description

technical field [0001] The invention relates to the technical field of fan equipment, in particular to a modular split-assembled axial-flow fan impeller and an assembly method thereof. Background technique [0002] Axial flow fans are widely used, such as electric fans and air conditioner fans are axial flow fans. It is called "axial flow" because the gas flows parallel to the shaft of the fan. Axial flow fans are usually used in occasions with high flow requirements and low pressure requirements. Axial fans hold the position and move the air. The axial flow fan is mainly composed of the fan impeller and the casing, the structure is simple but the data requirements are very high. The performance of the axial flow fan is closely related to the performance of the fan impeller. The fan impeller is generally composed of a group of blades, blade discs, hubs, spoke discs and other components, and its core components are blades and blade discs. [0003] Existing axial flow fan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D29/32F04D29/34F04D29/64
CPCF04D29/325F04D29/34F04D29/646
Inventor 周峰
Owner 江苏优格曼航空科技有限公司
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