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Engine blade intake and exhaust edge profile measuring device and measuring method

A technology for engine blades, intake and exhaust edges, applied to measuring devices, instruments, etc., can solve problems such as difficulty in data acquisition, difficulty in extracting data from engine blade intake and exhaust edge processing contours, etc., achieve high measurement accuracy, avoid measurement errors, Simple operation effect

Inactive Publication Date: 2020-10-02
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology

[0003] The purpose of the present invention is to design a measuring device for measuring the profile of the intake and exhaust edges of engine blades based on dual non-contact sensors and its corresponding measurement method, so as to solve the problem of the profile of the intake and exhaust edges of engine blades in the process of processing, quality inspection, and repair. Difficulties in data extraction, etc.
[0004] In order to solve the problems such as difficulty in data acquisition in the process of measuring the profile of the intake and exhaust edges of engine blades, the present invention provides a novel measuring device and corresponding measurement method based on dual non-contact sensors for measuring the profile of intake and exhaust edges of engine blades

Method used

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  • Engine blade intake and exhaust edge profile measuring device and measuring method
  • Engine blade intake and exhaust edge profile measuring device and measuring method
  • Engine blade intake and exhaust edge profile measuring device and measuring method

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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] first part:

[0030] Attached below figure 1 to attach Figure 5 The present invention will be described in detail.

[0031] 1. The present invention provides a kind of measuring device based on dual-sensor engine blade intake and exhaust edge profile ( Figure 1-3 ), the measuring device includes a high-precision measuring platform (1), a computer monitor (2), a host computer (3), a motion control card (4), a sensor positioning platform (5), a non-contact sensor (6), a sensor angle It consists of a regulating disc (7), an engine blade (8), a high-precision electric lifting platform (9), and a calibration ball (10).

[0032] Among them, the sensor positioning device (5) and the high-precision electric lifting platform (9) are fixed on the air floating platform or the marble bearing platform (1), and the bearing platform is required...

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Abstract

The invention provides an engine blade intake and exhaust edge profile measuring device and measuring method. Through the two non-contact sensors, high-precision measurement data of the contour of theair inlet or outlet edge of the engine blade can be obtained at a time, and therefore the problem that contour data of the air inlet or outlet edge of the engine blade are difficult to obtain in themachining, quality detecting and repairing processes is solved.

Description

technical field [0001] The invention belongs to the technical field of measurement of complex parts, and relates to a device for measuring the profile of intake and exhaust edges of engine blades and a corresponding measurement method. Background technique [0002] In the field of aeroengines, engine blades are one of the key parts of the engine. Not only are there many types and quantities, but they also have various shapes and complex structures, which account for a considerable proportion in engine manufacturing. For engine blades, the geometric accuracy and consistency of the intake and exhaust edges have a crucial impact on the dynamic performance of the engine. Usually, the cross-sectional shape of the intake and exhaust sides of the engine blade is a circular arc or an elliptical arc. The new generation of aero-engines requires a smaller volume to obtain greater output power. The geometric dimensions of the gas edge are also getting smaller and smaller, while the acc...

Claims

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Application Information

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IPC IPC(8): G01B21/20
CPCG01B21/20
Inventor 程云勇田怡然冶文广肖敏窦浩陈冰梁永收
Owner NORTHWESTERN POLYTECHNICAL UNIV
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