CN210981786U - Aircraft engine nozzle cone angle test bench - Google Patents
Aircraft engine nozzle cone angle test bench Download PDFInfo
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- CN210981786U CN210981786U CN201922310751.4U CN201922310751U CN210981786U CN 210981786 U CN210981786 U CN 210981786U CN 201922310751 U CN201922310751 U CN 201922310751U CN 210981786 U CN210981786 U CN 210981786U
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- cone angle
- bottom plate
- fog
- angle test
- return
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Abstract
The utility model relates to an aeroengine nozzle cone angle test bench, include support frame, barrel, installing support and prevent returning the fog screen panel, the top of support frame is fixed with the apron, the barrel sets up in the inside of support frame and with the bottom fixed connection of apron, the shooting window has been seted up at the middle part of barrel, the bottom of barrel is fixed with the bottom plate, prevent returning the top axle center department of fog screen panel installation at the bottom plate, air exhauster pipeline mouth is installed in the bottom axle center department of bottom plate, the bottom axle center department of bottom plate and prevent returning and be fixed with the oil cap that keeps off between the fog screen panel, the installing support is installed at the middle part of apron, the installing support includes support body and solid fixed ring, the support body passes through rib and solid fixed ring fixed connection. The utility model discloses use and prevent returning fog screen panel and air exhauster for the inside fog of tester can not influence the definition that the camera was shot, the atomizing cone angle degree of the definite nozzle that can be more accurate.
Description
Technical Field
The utility model relates to an aeroengine detects technical field, especially relates to an aeroengine nozzle cone angle test bench.
Background
At present, the test bed of the same type for realizing the performance test of the nozzle cone angle of the aeroengine at home generally comprises three parts, namely a motor, an oil pump, a pipeline and a tester. The oil pump and the motor are arranged on the oil tank, and the output end of the oil pump is connected with the components such as the one-way pressure regulating valve, the stop valve, the filter and the like through the guide pipe. A tester installs an aircraft engine nozzle at a pipeline terminal, starts a motor, manually adjusts a pressure regulating valve to test pressure, and finally realizes the shooting and collecting work of cone angles through a camera switch.
In practical application, cone angle mist sprayed by a nozzle of an aircraft engine is distributed in the whole tester, so that pictures shot by a camera are not clear, and the degree of the cone angle of the nozzle cannot be accurately determined.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aeroengine nozzle cone angle test bench to solve the problem that meets among the above-mentioned background art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an aircraft engine nozzle cone angle test bed comprises a support frame, a cylinder body, a mounting bracket and an anti-mist return net cover, the top of the supporting frame is fixed with a cover plate, the cylinder body is arranged in the supporting frame and is fixedly connected with the bottom of the cover plate, the middle part of the cylinder body is provided with a shooting window, the bottom of the cylinder body is fixed with a bottom plate, the anti-fog return net cover is arranged at the axis of the top part of the bottom plate, an exhaust fan pipeline port is arranged at the bottom axis of the bottom plate, an oil return port is arranged at one side of the bottom plate, an oil blocking cap is fixed between the bottom axis of the bottom plate and the anti-mist return net cover, the bottom of the oil blocking cap is fixedly connected with the outer wall of the pipeline opening of the exhaust fan through a clamping assembly, the installing support is installed at the middle part of apron, the installing support includes support body and solid fixed ring, the support body passes through rib and solid fixed ring fixed connection.
In the scheme, the top of the fixing ring is uniformly provided with the mounting holes, and one side of the fixing ring is provided with the notch.
In the above scheme, the fog net cover is provided with a plurality of and is arranged in a trapezoidal shape from top to bottom, and the appearance of the fog net cover is of a conical structure.
In the above scheme, the oil blocking cap is in a conical structure.
In the above scheme, the cylinder body is of a square structure.
In the above scheme, the shooting windows are two and are distributed at 90 degrees on the horizontal plane of the periphery of the barrel.
Compared with the prior art, the beneficial effects of the utility model are that: the cover plate is arranged at the top of the barrel body to form a darkroom environment so as to be convenient for shooting. The middle part of the barrel is provided with two shooting windows, the two shooting windows are correspondingly overlapped on the horizontal plane of the periphery, the two shooting windows are respectively separated by 90 degrees, and the camera is convenient to shoot cone angle pictures. An exhaust fan pipeline port is installed at the bottom axis of the bottom plate and used for collecting mist sprayed out from the nozzle by an external exhaust fan, and the influence on the shooting definition is avoided. The fog screen panel is installed in the top axle center department of bottom plate, and the fog screen panel is equipped with a plurality ofly and is trapezoidal shape from the top down and arranges, and the appearance of fog screen panel is returned for the toper structure, is convenient for leave the petrol of nozzle release from high to bottom, carries out the hindrance effect to oil gas, reduces the production of fog. And can also prevent that the oil mist from returning upwards, the effect of preventing returning the fog is better in cooperation with the external air exhauster in screen panel below. To sum up, the utility model discloses use and prevent returning fog screen panel and air exhauster for the inside fog of tester can not influence the definition degree that the camera was shot, the atomizing cone angle number of degrees of the definite nozzle that can be more accurate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure at another viewing angle of the present invention;
FIG. 3 is an exploded view of the overall appearance structure of the present invention;
FIG. 4 is a schematic view of the structure of the mounting bracket of the present invention;
FIG. 5 is a schematic view of the structure of the anti-mist return net cover of the present invention;
fig. 6 is an exploded view of the middle fog return prevention mesh enclosure of the present invention.
Reference numbers in the figures: 1-a support frame; 2-cover plate; 3-a cylinder body; 31-a shooting window; 32-a bottom plate; 33-oil return port; 4, mounting a bracket; 41-frame body; 42-a fixed ring; 43-mounting holes; 44-notch; 5-anti-fog return net cover; 51-an exhaust fan pipe port; 52-oil blocking cap; 53-clamping assembly.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 3, the aircraft engine nozzle cone angle test bed comprises a support frame 1, a cylinder 3, a mounting bracket 4 and an anti-mist return net cover 5. Support frame 1 adopts the steel construction welding preparation to form, and the top welded fastening of support frame 1 has apron 2, and barrel 3 sets up in the inside of support frame 1 and with the bottom welded fastening of apron 2, apron 2 sets up the top at barrel 3 to it is convenient for shoot to form the darkroom environment. The cylinder 3 is a square structure, and the size of the cylinder can adopt 800mm (length) 800mm (width) 1500mm (height). The middle of the barrel 3 is provided with two shooting windows 31, the two shooting windows 31 are distributed on the horizontal plane of the periphery of the barrel 3 at 90 degrees and are used for shooting the fog sprayed by the engine nozzle through the front and the side. On the periphery horizontal plane, two shooting windows 31 correspond the coincidence, respectively apart from 90, make things convenient for the camera to shoot the cone angle photo.
The bottom of barrel 3 is welded and fixed with bottom plate 32, and air exhauster pipeline mouth 51 is installed to the bottom axle center department of bottom plate 32 for external air exhauster collects nozzle spun fog, avoids influencing the definition of shooting. An oil return port 33 is installed at one side of the bottom plate 32 and is used for connecting an external container and collecting gasoline sprayed by a nozzle.
Referring to fig. 5 and 6, the fog return prevention mesh enclosure 5 is installed at the top axis of the bottom plate 32, a plurality of fog return prevention mesh enclosures 5 are arranged in a ladder shape from top to bottom, and the fog return prevention mesh enclosure 5 is in a conical structure, so that gasoline released by a nozzle can be conveniently left from top to bottom, oil gas is blocked, and fog is reduced. And can also prevent that the oil mist from returning upwards, the effect of preventing returning the fog is better in cooperation with the external air exhauster in screen panel below. An oil blocking cap 52 is fixed between the bottom axis of the bottom plate 32 and the anti-mist return mesh enclosure 5, and the oil blocking cap 52 is in a conical structure. The oil deflector cap 52 keeps the gasoline out so that it does not enter the suction fan pipe port 51.
The bottom of the oil baffle cap 52 is fixedly connected with the outer wall of the exhaust fan pipeline opening 51 through a clamping component 53, and the clamping component 53 can adopt a clamping hook or a clamping hoop as required. The mounting bracket 4 is installed in the middle of the cover plate 2, please refer to fig. 4, the mounting bracket 4 includes a frame body 41 and a fixing ring 42, the frame body 41 is fixedly connected with the fixing ring 42 through ribs, and the fixing ring 42 is used for mounting and fixing the nozzle. As a preferred scheme, mounting holes 43 are uniformly formed in the top of the fixing ring 42, so that the nozzle is convenient to mount and fix, and a notch 44 is formed in one side of the fixing ring 42, so that nozzles of different specifications and models can be conveniently mounted.
In implementation, the optical CCD can be used for shooting and collecting the cone angle test, and the definition of the shot picture is improved. The state of gasoline sprayed in the nozzle can be realized by using the pressure sensor and the flow sensor, and the real-time monitoring of the cone angle test is realized. The camera support column is arranged at the position of the shooting window 31, a five-axis displacement platform is fixed above the camera support column, and the camera can normally capture the spray cone angle by adjusting the position of the five-axis displacement platform. The utility model discloses use and prevent returning fog screen panel 5 and air exhauster for the inside fog of tester can not influence the definition that the camera was shot, the atomizing cone angle degree of the definite nozzle that can be more accurate.
The above-mentioned embodiments further explain in detail the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only the embodiments of the present invention, and are not intended to limit the scope of the present invention, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides an aeroengine nozzle cone angle test bench which characterized in that: comprises a support frame (1), a cylinder body (3), a mounting bracket (4) and an anti-return fog screen cover (5), wherein a cover plate (2) is fixed at the top of the support frame (1), the cylinder body (3) is arranged in the support frame (1) and is fixedly connected with the bottom of the cover plate (2), a shooting window (31) is arranged at the middle part of the cylinder body (3), a bottom plate (32) is fixed at the bottom of the cylinder body (3), the anti-return fog screen cover (5) is arranged at the top axle center of the bottom plate (32), an exhaust fan pipeline opening (51) is arranged at the bottom axle center of the bottom plate (32), an oil return opening (33) is arranged at one side of the bottom plate (32), an oil blocking cap (52) is fixed between the bottom axle center of the bottom plate (32) and the anti-return fog screen cover (5), the bottom of the oil blocking cap (52) is fixedly connected with the outer wall of the exhaust fan pipeline, the middle part at apron (2) is installed in installing support (4), installing support (4) are including support body (41) and solid fixed ring (42), support body (41) are through rib and solid fixed ring (42) fixed connection.
2. An aircraft engine nozzle cone angle test rig according to claim 1, wherein: the top of the fixing ring (42) is uniformly provided with mounting holes (43), and one side of the fixing ring (42) is provided with a notch (44).
3. An aircraft engine nozzle cone angle test rig according to claim 1, wherein: the fog-return-preventing mesh enclosure (5) is provided with a plurality of mesh enclosures arranged in a ladder shape from top to bottom, and the appearance of the fog-return-preventing mesh enclosure (5) is of a conical structure.
4. An aircraft engine nozzle cone angle test rig according to claim 1, wherein: the oil blocking cap (52) is in a conical structure in appearance.
5. An aircraft engine nozzle cone angle test rig according to claim 1, wherein: the cylinder body (3) is of a square structure.
6. An aircraft engine nozzle cone angle test rig according to claim 1, wherein: the two shooting windows (31) are arranged and distributed on the horizontal plane of the periphery of the barrel body (3) at 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310751.4U CN210981786U (en) | 2019-12-20 | 2019-12-20 | Aircraft engine nozzle cone angle test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310751.4U CN210981786U (en) | 2019-12-20 | 2019-12-20 | Aircraft engine nozzle cone angle test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210981786U true CN210981786U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922310751.4U Active CN210981786U (en) | 2019-12-20 | 2019-12-20 | Aircraft engine nozzle cone angle test bench |
Country Status (1)
| Country | Link |
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| CN (1) | CN210981786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772752A (en) * | 2023-08-23 | 2023-09-19 | 西安蓝天维特航空科技有限公司 | Concentricity detection device for aeroengine |
-
2019
- 2019-12-20 CN CN201922310751.4U patent/CN210981786U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772752A (en) * | 2023-08-23 | 2023-09-19 | 西安蓝天维特航空科技有限公司 | Concentricity detection device for aeroengine |
| CN116772752B (en) * | 2023-08-23 | 2023-11-03 | 西安蓝天维特航空科技有限公司 | Concentricity detection device for aeroengine |
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