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Aero-engine exhaust measuring device

The technology of aero-engine and measuring device is applied in the direction of measuring device, engine test, machine/structural component test, etc. It can solve the problems of simultaneous measurement, complex structure, inconvenient maintenance and disassembly, etc., so as to improve the convenience of docking, Improved accuracy and easy assembly and disassembly

Pending Publication Date: 2020-07-17
XIAN XIANGXUN TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0008] The object of the present invention is to provide an aero-engine exhaust measuring device, which is used to overcome the complex structure of the existing aero-engine exhaust measuring device, the inconvenient maintenance and disassembly, the inability to measure static pressure, total pressure and temperature at the same time, and it is not suitable for small Problems with Exhaust Measurements for Exhaust Caliber Engines

Method used

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Embodiment Construction

[0030] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0031] Such as Figure 1 to Figure 5 As shown, an aeroengine exhaust measurement device in this embodiment includes three parts: a measurement section 1 , a measurement rake 2 and a measurement section bracket 3 . The air inlet of the measuring section 1 is docked with the engine exhaust port, the measuring section 1 is installed above the measuring section bracket 3, and the measuring rake 2 is installed on the measuring section 1;

[0032] The measuring section 1 includes: a measuring section pipeline 1.1, a mounting seat 1.2, a fixed ear piece 1.3 and a heat insulation layer 1.4, and several mounting seats 1.2 are arranged on the outer wall of the measuring section pipeline 1.1, and the mounting seats 1.2 are opposite to the measuring section p...

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Abstract

The invention relates to an aero-engine exhaust measuring device, which belongs to the technical field of aero-engine tests. The aero-engine exhaust measuring device provided by the technical scheme comprises a measuring section and a measuring rake. The measuring section is cylindrical, and the measuring rake is installed on the inner wall of the measuring section. The measuring rake comprises ameasuring rake body, a total pressure probe, a static pressure probe, a temperature probe and a clamping plate. The measuring rake body is of a sheet-shaped structure. A groove is formed in the surface of the measuring rake body. The signal detection ends of the total pressure probe, the static pressure probe and the temperature probe penetrate through the groove and penetrate out of the measuringrake body, and the signal output ends of the total pressure probe, the static pressure probe and the temperature probe penetrate out of the outer wall of the measuring section and are connected witha signal receiving device. The equipment is widely applied to the field of aero-engine tests.

Description

technical field [0001] The invention belongs to the technical field of aero-engine testing, and in particular relates to an aero-engine exhaust gas measuring device. Background technique [0002] Aviation engine test refers to the experiment that uses special test and testing equipment to test the performance, reliability and durability of the engine. Aeroengines work under extremely harsh conditions such as high temperature, high pressure, high speed and high load. In order to ensure the reliable operation of the engine and its system, various strict tests must be carried out. [0003] During the test run of an aero-engine, it is necessary to measure exhaust parameters, including exhaust temperature, total pressure, static pressure, etc. Existing aero-engine exhaust measuring devices and measuring rakes are generally applicable to the measurement of large-caliber engines (more than 900mm in diameter) exhaust. For example, the Chinese patent application with publication num...

Claims

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Application Information

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IPC IPC(8): G01M15/02G01M15/00
CPCG01M15/00G01M15/02
Inventor 李士弘徐怀勇董文志刘振涛张毅王超温昌富
Owner XIAN XIANGXUN TECH
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