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Method for measuring gap between open type three-dimensional flow impeller and fluid director

A measurement method and deflector technology, which are applied to parts of pumping devices for elastic fluids, pump elements, non-variable pumps, etc., can solve the problem that the gap between the impeller and the deflector cannot be measured, and achieve operational And the judgment method is easy to learn and understand, the rebound is very small, and the effect of repeated operation is simple

Pending Publication Date: 2022-05-13
格瑞拓动力股份有限公司
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Problems solved by technology

[0003] Based on the above statement, the present invention provides a method for measuring the gap between the open three-dimensional flow impeller and the deflector to solve the technical problem that the gap between the impeller and the deflector cannot be measured in the prior art

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  • Method for measuring gap between open type three-dimensional flow impeller and fluid director

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Embodiment Construction

[0018] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the application are given in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are only for the purpose of describing specific embodiments, and are not intended to limit the application.

[0020] It will be appreciated that spatially relative terms such as "under", "beneath", "below", "under",...

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Abstract

The invention relates to a method for measuring a gap between an open three-dimensional flow impeller and a fluid director, a soft metal ring is arranged between the fluid director and the impeller, the soft metal ring and an inlet of the fluid director are coaxially arranged, and the gap between the impeller and the fluid director is determined through the deformation quantity of the side surface of the soft metal ring. According to the measuring method, by utilizing the characteristics that a metal material is relatively low in hardness, relatively good in fluidity during extrusion and extremely low in resilience after being formed, the soft metal material is made into a ring and then placed between a fluid director and an impeller, and the soft metal material is extruded and deformed by the assembly pressure between the fluid director and the impeller; the gap between the fluid director and the impeller is determined through the deformation quantity of the side face of the soft metal ring. The measurement method is simple and convenient, low in cost, high in measurement accuracy and very simple in repeated operation, and the operation and judgment mode is easy to learn and understand.

Description

technical field [0001] The invention relates to the technical field of mechanical equipment manufacturing and assembly, in particular to a method for measuring the gap between an open three-dimensional flow impeller and a deflector. Background technique [0002] The application range of permanent magnet variable frequency high speed ternary flow blower is getting wider and wider. The size of the gap between the impeller and the inlet deflector is particularly important. If the gap is too small, there is a risk of rubbing, and if the gap is too large, the efficiency of the fan will be reduced. Therefore, in addition to ensuring the design clearance through machining accuracy, detection means are also required to ensure the clearance between the inlet deflectors, so as to meet the design requirements. In the prior art, the gap between the impeller and the deflector is irregular in shape, and cannot be measured directly. Contents of the invention [0003] Based on the above...

Claims

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Application Information

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IPC IPC(8): F04D17/16F04D27/00F04D29/02F04D29/30F04D29/42F04D29/44
CPCF04D17/16F04D29/023F04D27/001F04D29/4226F04D29/441F04D29/30
Inventor 朱浩林范志强雷新海雷新江
Owner 格瑞拓动力股份有限公司
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