Heating device for stator blade test

By designing a static blade test heating device including a heating box, a test platform and a heating lamp, the problem that the existing devices cannot perform static tests in high temperature environments is solved, and efficient static tests in an environment above 60°C are achieved, which improves the accuracy of the test and the insulation effect.

CN120194915APending Publication Date: 2025-06-24AVIC HUIYANG AVIATION PROPELLER
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Patent Information

Application Number
CN202311709408.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-12-13
Publication Date
2025-06-24

AI Technical Summary

Technical Problem

The existing static vane test device cannot perform static tests in high temperature environments, and cannot meet the needs of verifying the mechanical properties of static vane at an environment above 60°C.

Method used

A static blade test heating device is designed, which includes a heating box, a test platform, a heating lamp, a thermometer and a thermal insulation cotton with a sandwich structure, which can perform static tests under high temperature environments.

Benefits of technology

The static test of the static cotyledon blades under high temperature environment is achieved, which improves the accuracy and reliability of the test. At the same time, the insulation effect of the heating box is improved through the sandwich structure and sealing interlayer.

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Abstract

The invention discloses a heating device for a stator blade test. The heating device comprises a test platform, a heating box, a loading tray and a heating lamp, the heating box is arranged at the top of the test platform; the stator blade is arranged in the heating box, the end part of the stator blade is connected with the test tool, and the test tool penetrates through the bottom of the heating box and is connected with the test platform; loading holes are formed in the bottom end of the heating box and the test platform, the loading end of the loading tray is arranged below the test platform, and the other end of the loading tray penetrates through the loading holes, extends into the heating box and is connected with the stator blade; and the heating lamp is arranged in the heating box. The heating device provided by the invention can provide a high-temperature test environment and can also be used for carrying out a static test on the stator blade.
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Description

Technical Field

[0001] The present invention relates to the technical field of stator blade testing, and more specifically, to a heating device for stator blade testing. Background Art

[0002] As an important part of the engine, stator blades usually need to be subjected to static tests. Some types of stator blades need to be subjected to static tests in a high-temperature environment of 60 °C to verify whether their mechanical properties under high-temperature conditions meet the design requirements.

[0003] At present, the test benches for testing stator blades are all in an open environment and do not have a heating function, so they cannot meet the conditions for static tests in a high-temperature environment. Therefore, a heating device needs to be designed, which has functions such as heating, heat preservation, monitoring, and observation to ensure that the test environment meets the specified test requirements.

[0004] Therefore, it is an urgent problem for those skilled in the art to develop a heating device for stator blade testing that can provide a high-temperature environment and conduct static tests. Summary of the Invention

[0005] In view of this, the present invention provides a heating device for stator blade testing that can provide a high-temperature environment and conduct static tests.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A heating device for stator blade testing, comprising:

[0008] A test platform,

[0009] A heating box, which is arranged on the top of the test platform; the stator blade is placed inside the heating box, the end of the stator blade is connected to a test tooling, and the test tooling passes through the bottom of the heating box and is connected to the test platform;

[0010] A loading tray, loading holes are arranged on both the bottom end of the heating box and the test platform, the loading end of the loading tray is placed below the test platform, and the other end passes through the loading hole and extends into the heating box and is connected to the stator blade;

[0011] Heating lamps, which are arranged inside the heating box.

[0012] The beneficial effect of adopting the above technical solution is that in the present invention, the heating box can be heated by the heating lamps to provide a corresponding high-temperature environment for the testing of the stator blade.

[0013] Preferably, a thermometer is provided at the top inside the heating box. The thermometer can measure the temperature inside the heating box and monitor the temperature inside the heating box in real time.

[0014] Preferably, the side wall of the heating box is a sandwich structure, with both the inner layer and the outer layer being wooden boards and the middle layer being heat-insulating cotton. The sandwich structure of the side wall of the heating box can play a role in heat preservation.

[0015] Preferably, an observation window is provided at the side wall of the heating box, and double-layer glass is installed at the observation window. The setting of the observation window facilitates observing the thermometer inside the heating box.

[0016] Preferably, temperature sensors are provided on both the stator blade and the bottom surface inside the heating box. The temperature sensors can detect the temperatures at different positions inside the heating box.

[0017] Preferably, the loading tray includes: a loading rod and a tray, the loading rod is fixedly connected to the tray; the loading rod passes through the loading hole, and the tray is arranged below the test platform. Weights can be placed at the tray, which is convenient for applying different loads to the stator blade.

[0018] Preferably, a sealing sandwich layer is provided at the loading hole, with both the inner layer and the outer layer being rubber sheets and the middle layer being heat-insulating cotton. The loading rod passes through the rubber sheet and the heat-insulating cotton of the sealing sandwich layer. The sealing sandwich layer can seal the loading hole effectively.

[0019] As can be seen from the above technical solutions, compared with the prior art, the present invention discloses a stator blade test heating device, and its beneficial effects are as follows:

[0020] (1) In the present invention, the inside of the heating box can be heated by heating lamps, so that the stator blade is in a high-temperature environment, and a static test under a high-temperature environment can be carried out on it;

[0021] (2) And in the present invention, the heating box adopts a heat-insulating sandwich structure, and sealing and heat-insulating treatment is carried out at the loading hole, which can effectively improve the heat-insulating effect of the heating box. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for describing the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0023] Figure 1 It is a schematic structural diagram of the heating device provided by the present invention.

[0024] Among them, in the figure,

[0025] 1 - Test platform;

[0026] 2 - Heating box;

[0027] 21 - Wooden board; 22 - First thermal insulation cotton; 23 - Observation window;

[0028] 3 - Stator vane; 4 - Test tooling;

[0029] 5 - Loading tray;

[0030] 51 - Loading rod; 52 - Tray;

[0031] 6 - Loading hole; 7 - Heating lamp; 8 - Thermometer;

[0032] 9 - Sealing interlayer;

[0033] 91 - Rubber sheet; 92 - Second thermal insulation cotton. Detailed implementation manner

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] The embodiment of the present invention discloses a stator vane test heating device, including:

[0036] Test platform 1,

[0037] Heating box 2, the heating box 2 is arranged on the top of the test platform 1; the stator vane 3 is placed inside the heating box 2, the end of the stator vane 3 is connected to the test tooling 4, and the test tooling 4 passes through the bottom of the heating box 2 and is connected to the test platform 1;

[0038] Loading tray 5, loading holes 6 are arranged on both the bottom end of the heating box 2 and the test platform 1, the loading end of the loading tray 5 is placed below the test platform 1, and the other end passes through the loading hole 6 and extends into the heating box 2 and is connected to the stator vane 3.

[0039] Heating lamp 7, the heating lamp 7 is arranged inside the heating box 2. The heating lamp 7 can heat the test environment, and at the same time apply a load to the stator vane 3 through the loading tray 5, which can ensure that the stator vane 3 can accurately perform a static test in a high-temperature environment.

[0040] In order to further optimize the above technical solution, a thermometer 8 is provided at the top inside the heating box 2. There are two thermometers provided at the top of the heating box 2 to facilitate the detection of the temperatures at different positions inside the heating box 2.

[0041] In order to further optimize the above technical solution, the side wall of the heating box 2 is a sandwich structure, with both the inner layer and the outer layer being wooden boards 21 and the middle layer being the first heat-insulating cotton 22.

[0042] In order to further optimize the above technical solution, observation windows 23 are provided at the side wall of the heating box 2, and double-layer glass is installed at the observation windows 23. There are multiple observation windows 23 provided on the side wall of the heating box 2 to facilitate the observation of the test conditions of the thermometer 8 and the stator blades 3 inside the heating box 2.

[0043] In order to further optimize the above technical solution, temperature sensors are provided on both the bottom surface inside the stator blades 3 and the heating box 2. The data detected by the temperature sensors is collected by a data collector outside the heating box 2, and the temperature values are read.

[0044] In order to further optimize the above technical solution, the loading tray 5 includes: a loading rod 51 and a tray 52, and the loading rod 51 is fixedly connected to the tray 52; the loading rod 51 passes through the loading hole 6, and the tray 52 is arranged below the test platform 1.

[0045] In order to further optimize the above technical solution, a sealing sandwich layer 9 is provided at the loading hole 6, with both the inner layer and the outer layer being rubber sheets 91 and the middle layer being the second heat-insulating cotton 92. The loading rod 51 passes through the rubber sheet 91 and the second heat-insulating cotton 92 of the sealing sandwich layer 9.

[0046] The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts among the various embodiments can be referred to each other.

[0047] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A stator vane test heating device, characterized in that Including: A test platform (1), A heating box (2), which is arranged on the top of the test platform (1); A stator blade (3) is placed inside the heating box (2), and the end of the stator blade (3) is connected to a test tooling (4), and the test tooling (4) passes through the bottom of the heating box (2) and is connected to the test platform (1); A loading tray (5), loading holes (6) are arranged on both the bottom end of the heating box (2) and the test platform (1), the loading end of the loading tray (5) is placed below the test platform (1), and the other end passes through the loading hole (6) and extends into the heating box (2) and is connected to the stator blade (3); A heating lamp (7), which is arranged inside the heating box (2).

2. The stator vane test heating device according to claim 1, characterized in that, A thermometer (8) is arranged at the top end inside the heating box (2).

3. The stator vane test heating device according to claim 1 or 2, characterized in that, The side wall of the heating box (2) is a sandwich structure, the inner layer and the outer layer are both wooden boards (21), and the middle layer is a first heat-insulating cotton (22).

4. The stator vane test heating device according to claim 3, wherein, An observation window (23) is arranged at the side wall of the heating box (2), and double-layer glass is installed at the observation window (23).

5. A stator vane test heating device according to claim 1, characterized in that, Temperature sensors are arranged on both the bottom surface inside the stator blade (3) and the heating box (2).

6. The stator vane test heating device according to claim 1, wherein, The loading tray (5) includes: a loading rod (51) and a tray (52), the loading rod (51) is fixedly connected to the tray (52); the loading rod (51) penetrates through the loading hole (6), and the tray (52) is arranged below the test platform (1).

7. A stator vane test heating device according to claim 6, characterized in that, A sealing sandwich (9) is arranged at the loading hole (6), the inner layer and the outer layer are both rubber sheets (91), and the middle layer is a second heat-insulating cotton (92), and the loading rod (51) penetrates through the rubber sheet (91) and the second heat-insulating cotton (92) of the sealing sandwich (9).