Fan case oil flow test device

Abstract

The application discloses a fan case lubricating oil flow test device, which comprises a test pipeline B metal pipe, a test pipeline B plastic pipe, a test pipeline B metal wire, a second reinforcing support plate, a test pipeline A metal pipe, a test pipeline A plastic pipe, a test pipeline A metal wire, a first reinforcing support plate and a round hole. One end of the test pipeline A metal pipe is connected with a lubricating oil outlet A, and the other end is connected with the test pipeline A plastic pipe. The test pipeline B metal pipe is the same. The first reinforcing support plate and the second reinforcing support plate are used for determining that a spatial included angle of the test pipeline A metal pipe and the test pipeline B metal pipe is consistent with an included angle of the lubricating oil outlets A and B and is welded and fixed. The application solves the problems that the spatial positions of two lubricating oil outlets of a fan case are limited and a lubricating oil flow device is difficult to fix, has low cost, good effect and is easy to popularize.

Description

Technical Field

[0001] This invention belongs to the field of aero-engine manufacturing technology, specifically relating to a fan casing lubricating oil flow test device. Background Technology

[0002] The fan casing undergoes an oil flow test to verify that the oil injection parameters of the front support nozzle meet the usage requirements. The front support nozzle has two oil outlets, A and B, and the flow rate at each outlet needs to be measured separately during the test. Figure 1 As shown, the positions of lubricating oil outlet A and lubricating oil outlet B form a certain angle, and the surrounding space is limited, making it difficult to design a lubricating oil flow test fixture that is easy to fix and convenient to use. To meet the requirements of fan casing lubricating oil flow testing, a fan casing lubricating oil flow test device needs to be designed. Summary of the Invention

[0003] The present invention aims to provide a fan casing lubricating oil flow test device to solve the problem that the space position of the two lubricating oil outlets of the fan casing is limited and the lubricating oil flow device is difficult to fix.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] The fan casing lubricating oil flow test device includes a test pipe A connected to lubricating oil outlet A, a test pipe B connected to lubricating oil outlet B, a first reinforcing support plate, and a second reinforcing support plate, wherein:

[0006] The test pipeline A includes a metal tube and a plastic tube. The first end of the metal tube is connected to the lubricating oil outlet A, the second end is inserted into the inlet end of the plastic tube, and the outlet end of the plastic tube is connected to the flow test device.

[0007] The test pipeline B includes a metal tube and a plastic tube. The first end of the metal tube is connected to the lubricating oil outlet B, the second end is inserted into the inlet end of the plastic tube, and the outlet end of the plastic tube is connected to the flow test device.

[0008] The first reinforcing support plate has a first mounting hole for test pipe A and a first mounting hole for test pipe B. The angle between the axis of the first mounting hole for test pipe A and the axis of the second mounting hole for test pipe B is equal to the angle between lubricating oil outlet A and lubricating oil outlet B.

[0009] The second reinforcing support plate has a second mounting hole for test pipe A and a second mounting hole for test pipe B. The angle between the axis of the second mounting hole for test pipe A and the axis of the second mounting hole for test pipe B is equal to the angle between lubricating oil outlet A and lubricating oil outlet B.

[0010] The metal pipe of test pipeline A passes through the second mounting hole of test pipeline A and the first mounting hole of test pipeline A in sequence and then connects to the lubricating oil outlet A;

[0011] The metal pipe of test pipeline B passes through the second mounting hole of test pipeline B and the second mounting hole of test pipeline A in sequence, and then connects to the lubricating oil outlet B.

[0012] Furthermore, the fan casing lubricating oil flow test device also includes,

[0013] The metal wire of test tube A is wound around the outer wall of the plastic tube of test tube A and is located at the insertion and overlap of the metal tube and the plastic tube of test tube A.

[0014] The test tube B metal wire is wound around the outer wall of the test tube B plastic tube and is located at the insertion and overlap of the test tube B metal tube and the test tube B plastic tube.

[0015] further,

[0016] The metal pipe of test pipeline A is welded to the second reinforcing support plate and the first reinforcing support plate at the second mounting hole and the first mounting hole of test pipeline A, respectively.

[0017] The metal pipe of the test pipeline B is welded to the second reinforcing support plate and the first reinforcing support plate at the second mounting hole and the first mounting hole of the test pipeline B, respectively.

[0018] Furthermore, the fan casing lubricating oil flow test device also includes a circular hole, which is formed on the first reinforcing support plate.

[0019] Furthermore, the inner diameter of the metal tube in test pipeline A is larger than the outer diameter of the lubricating oil outlet A, and the inner diameter of the metal tube in test pipeline B is larger than the outer diameter of the lubricating oil outlet B.

[0020] Compared with the prior art, the experimental device provided by the present invention solves the problem of difficult design of the lubricating oil flow fixture for the fan casing, and the present invention has the following advantages:

[0021] 1) A welded reinforcing support plate with a round hole was designed to achieve a fixed connection between the two test pipelines to meet the angle requirements between the lubricating oil outlet A and the lubricating oil outlet B. The device was fixed by bolts at the round hole.

[0022] 2) The design uses a combination of metal pipes and plastic flexible hoses to meet the requirements for fixing the pipeline with welded reinforced support plates, while also being convenient to use in narrow spaces.

[0023] 3) This invention can be used for lubricating oil flow tests of different types of fans, and has a wide range of applications. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the fan housing;

[0025] Figure 2 This is a schematic diagram of the experimental setup;

[0026] In the diagram: 1-Test pipe B (metal tube), 2-Test pipe B (plastic tube), 3-Test pipe B (metal wire), 4-Second reinforcing plate, 5-Test pipe A (metal tube), 6-Test pipe A (plastic tube), 7-Test pipe A (metal wire), 8-First reinforcing plate, 9-Round hole. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. However, it should not be construed that the scope of the subject matter of the present invention is limited to the following embodiments. All modifications, substitutions and alterations made based on ordinary technical knowledge and common practices in the art without departing from the above-described technical concept of the present invention are included within the scope of the present invention.

[0028] like Figures 1-2 As shown, in order to meet the testing requirements of the two lubricating oil outlets A and B, this invention designs two independent test pipelines to realize the lubricating oil diversion of the two lubricating oil outlets.

[0029] In the lubricating oil test pipeline, a metal pipe with a diameter slightly larger than the lubricating oil outlet is selected at the connection point with lubricating oil outlet A and lubricating oil outlet B to achieve a stable connection with the lubricating oil outlet, and at the same time facilitate the fixation of the two test pipelines by welding.

[0030] The main body of the test pipeline is made of plastic flexible tubing (with a diameter slightly larger than that of metal tubing), which facilitates the flow to the flow measurement device in narrow spaces and enables accurate measurement.

[0031] After the metal pipe is connected to the plastic flexible hose, it is secured with wire.

[0032] The two test pipelines are fixed by welding reinforcing support plates, while also meeting the angle requirements of the two lubricating oil outlets.

[0033] The support plate is reinforced in two places: one welded to the top of the metal pipe and the other welded to the connection between the metal pipe and the plastic hose, to achieve stable fixation.

[0034] Two round holes are also opened on the reinforcing support plate welded to the top of the metal pipe to facilitate the fixing of the lubricating oil flow test device and the workpiece by bolt connection.

[0035] like Figure 1 As shown, when conducting an oil flow test on the fan casing assembly, it is necessary to measure the flow rate at the two oil outlets A and B separately. Due to the angle between oil outlets A and B and the limited surrounding space, it is difficult to design an easy-to-use oil flow test device.

[0036] like Figure 2 As shown, the present invention designs a fan casing lubricating oil flow test device, including a test pipeline B metal tube 1, a test pipeline B plastic tube 2, a test pipeline B metal wire 3, a second reinforcing support plate 4, a test pipeline A metal tube 5, a test pipeline A plastic tube 6, a test pipeline A metal wire 7, a first reinforcing support plate 8, and a circular hole 9.

[0037] Test pipe B (metal tube 1) and test pipe A (metal tube 5) are respectively connected to the lubricating oil outlets B and A. Their relative positions are determined based on the angular relationship of the parts. Test pipe B (metal tube 1) and test pipe A (metal tube 5) are connected and fixed by welding through the second reinforcing plate 4 and the first reinforcing plate 8. The first reinforcing plate 8 has two round holes 9 for bolt connection, facilitating the fixation of the test device. Test pipe B (metal tube 1) and test pipe A (metal tube 5) are respectively connected to test pipe B (plastic tube 2) and test pipe A (plastic tube 6), with the overlapping parts secured by wire wrapping. Test pipe B (plastic tube 2) and test pipe A (plastic tube 6) are directly connected to the corresponding flow testing devices for flow testing.

[0038] Contents not described in detail in this specification are prior art known to those skilled in the art. Although illustrative specific embodiments of the invention have been described above to facilitate understanding by those skilled in the art, it should be understood that the invention is not limited to the scope of the specific embodiments. Various modifications are readily apparent to those skilled in the art as long as they fall within the spirit and scope of the invention as defined and determined by the appended claims, and all inventions utilizing the concept of this invention are protected.

Claims

1. A fan casing lubricating oil flow test device, characterized in that: It includes test pipe A connected to lubricating oil outlet A, test pipe B connected to lubricating oil outlet B, first reinforcing support plate (8) and second reinforcing support plate (4), wherein: The test pipeline A includes a metal tube (5) and a plastic tube (6). The first end of the metal tube (5) is connected to the lubricating oil outlet A, and the second end is inserted into the inlet end of the plastic tube (6). The outlet end of the plastic tube (6) is connected to the flow test device. The test pipeline B includes a metal tube (1) and a plastic tube (2). The first end of the metal tube (1) is connected to the lubricating oil outlet B, and the second end is inserted into the inlet end of the plastic tube (2). The outlet end of the plastic tube (2) is connected to the flow test device. The first reinforcing support plate (8) has a first mounting hole for test pipe A and a first mounting hole for test pipe B. The angle between the axis of the first mounting hole for test pipe A and the axis of the second mounting hole for test pipe B is equal to the angle between lubricating oil outlet A and lubricating oil outlet B. The second reinforcing support plate (4) has a second mounting hole for test pipe A and a second mounting hole for test pipe B. The angle between the axis of the second mounting hole for test pipe A and the axis of the second mounting hole for test pipe B is equal to the angle between the lubricating oil outlet A and the lubricating oil outlet B. The metal tube (5) of the test pipeline A passes through the second mounting hole and the first mounting hole of the test pipeline A in sequence and then connects to the lubricating oil outlet A; The metal tube (1) of the test pipeline B passes through the second mounting hole of the test pipeline B and the second mounting hole of the test pipeline A in sequence and then connects to the lubricating oil outlet B. The metal pipe (5) of the test pipeline A is welded to the second reinforcing support plate (4) and the first reinforcing support plate (8) at the second mounting hole and the first mounting hole of the test pipeline A, respectively. The metal tube (1) of the test pipeline B is welded to the second reinforcing support plate (4) and the first reinforcing support plate (8) at the second mounting hole and the first mounting hole of the test pipeline B, respectively. The inner diameter of the metal tube (5) of the test pipeline A is greater than the outer diameter of the lubricating oil outlet A, and the inner diameter of the metal tube (1) of the test pipeline B is greater than the outer diameter of the lubricating oil outlet B. The fan casing lubricating oil flow test device also includes, Test tube A metal wire (7), the test tube A metal wire (7) is wrapped around the outer wall of the test tube A plastic tube (6) and is located at the insertion and overlap of the test tube A metal tube (5) and the test tube A plastic tube (6); Test tube B metal wire (3), the test tube B metal wire (3) is wound on the outer wall of test tube B plastic tube (2) and is located at the insertion and overlap of test tube B metal tube (1) and test tube B plastic tube (2).

2. The fan casing lubricating oil flow test device according to claim 1, characterized in that: It also includes a round hole (9), which is formed on the first reinforcing support plate (8).

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