CN110823466A - Hydraulic test device for thrust augmentation main pipe fuel spray rod of aircraft engine - Google Patents
Hydraulic test device for thrust augmentation main pipe fuel spray rod of aircraft engine Download PDFInfo
- Publication number
- CN110823466A CN110823466A CN201911135650.6A CN201911135650A CN110823466A CN 110823466 A CN110823466 A CN 110823466A CN 201911135650 A CN201911135650 A CN 201911135650A CN 110823466 A CN110823466 A CN 110823466A
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- China
- Prior art keywords
- oil pipe
- main oil
- fueling
- rod
- test device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
Abstract
The invention discloses a hydraulic test device for an aeroengine stressing main oil spray rod, which comprises a support, a main oil pipe, a nut plug, a left locking nut, a ball head oil inlet hose, a sealing nut, a right locking nut and a compression screw rod.
Description
Technical Field
The invention belongs to the technical field of detection of engine parts, and particularly relates to a hydraulic test device for an oil spray rod of a boosting main pipe of an aircraft engine.
Background
The fuel injection rod on the engine afterburning main pipe is mainly used for injecting fuel into an afterburner, and the fuel is used as a power source of an aircraft engine, so that the fuel injection quality of the aircraft engine is high. The hydraulic test of the spray bar is a method of checking the sealability of an assembly using a medium such as kerosene or oil under a certain pressure for a certain period of time; in the specific operation, a closed space is required to be formed in the inner cavity of the part, then the hydraulic test medium is filled by pressure, and the leakage condition, namely the tightness, of the part is checked, so that a high-quality and high-efficiency special device is required in the test process. The technical scheme of the prior art uses the arched clamp head to perform hydraulic test on a single spray rod, and the technical scheme of the test has the advantages of no proper positioning support surface, difficulty in positioning and clamping and high technical requirement on operators; meanwhile, due to the fact that the pressure is high, parts are loosened due to the fact that clamping force is not on the same axis in the pressurizing process, fuel oil is sprayed out, and certain potential safety hazards exist; in addition, the test can be carried out only by a single oil spray rod, and the efficiency is very low
Disclosure of Invention
In order to solve the technical problem, the invention provides a hydraulic test device for an oil spray rod of a stressing main pipe of an aero-engine, which is used for checking the sealing performance of various long and short oil spray rods welded on the stressing main pipe.
The invention is realized by the following technical scheme.
The invention provides a hydraulic test device for an oil spray rod of a boosting main pipe of an aircraft engine, which comprises a bracket, a main oil pipe, a nut plug, a left locking nut, a ball head oil inlet hose, a sealing nut, a right locking nut and a compression screw rod,
the support is square, the upper frame of the support is provided with a plurality of threaded holes, and the compression screw is arranged in the threaded holes and can rotate along with the compression screw to move up and down in the threaded holes;
the main oil pipe is fixedly arranged at the bottom of the bracket, two ends of the main oil pipe extend out of two sides of the bracket, and the middle part of the main oil pipe is provided with a plurality of boss holes communicated with the internal pipeline; the nut plug is arranged at the left end of the main oil pipe to seal the left end outlet of the main oil pipe, and the ball head oil inlet hose is arranged at the right end of the main oil pipe through the sealing nut and used for supplying oil to the main oil pipe;
during the use, insert the fueling rod one end that awaits measuring in the boss hole of main oil pipe, the other end uses compression screw to carry out tight top to the fueling rod, and rethread bulb oil feed hose carries out the fuel feeding to main oil pipe, makes the fueling rod that awaits measuring be full of fluid, carries out fueling rod leakproofness test again.
Furthermore, boss holes arranged on the main oil pipe correspond to threaded holes arranged on the upper frame of the support.
Furthermore, the oil pipe fixing device further comprises a left locking nut and a right locking nut, through holes are formed in two side frames of the bottom of the support, external threads are arranged at two ends of the main oil pipe, two ends of the main oil pipe penetrate through the two through holes respectively, and the left locking nut and the right locking nut fasten the main oil pipe at the through holes of the two side frames of the bottom of the support through the external threads at the two ends of the main oil pipe respectively.
Furthermore, the aperture of a boss hole formed in the main oil pipe is matched with the diameter of the oil injection rod to be detected.
Furthermore, the bottom of the compression screw is provided with an inward-concave boss, and the oil injection rod is inserted into the boss at the bottom of the compression screw during testing.
Furthermore, the number of boss holes arranged on the main oil pipe is 10.
Furthermore, the threaded holes formed in the support are 10, and a compression screw is installed in each threaded hole.
Furthermore, a sealing washer is arranged in a boss hole arranged on the main oil pipe.
The invention has the beneficial effects that: according to the hydraulic test device, the structure that the main oil pipe is provided with the oil distributing holes is adopted, a set of stressing main oil pipe oil spray rod hydraulic test device is designed by reasonable planning aiming at the current situation that the sealing performance inspection of the welded oil spray rods is difficult to carry out efficiently and in high quality, hydraulic tests can be carried out on a plurality of oil spray rod parts at the same time, meanwhile, the compression screw rod is used for adjusting the adaptability of the internally installed oil spray rods, the hydraulic test device can be comprehensively applied to oil spray rods with different lengths, the design structure is flexible, the operation is simple, the hydraulic tests of oil spray rods with different lengths and types can be met, and the hydraulic test device has good popularization and use values.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the stent of the present invention;
FIG. 3 is a schematic structural view of the main oil pipe of the present invention;
FIG. 4 is a schematic view of the ball end intake hose of the present invention;
FIG. 5 is a schematic view of the nut plug of the present invention;
FIG. 6 is a schematic view of the seal nut of the present invention;
FIG. 7 is a schematic view of the compression screw configuration of the present invention;
FIG. 8 is a schematic structural view of the left and right lock nuts of the present invention;
FIG. 9 is a schematic view of the construction of the connecting bolt of the upper pressing plate of the pressing screw according to the present invention;
FIG. 10 is a schematic view of a long fuel spray bar according to the present invention, with a weld at the right end;
FIG. 11 is a schematic view of the short fuel spray bar of the present invention with the right end being a weld;
in the figure: 1-support, 2-main oil pipe, 3-nut plug, 4-left locking nut, 5-bulb oil inlet hose, 6-sealing nut, 7-right locking nut, 8-compression screw, 9-long oil spray rod and 10-short oil spray rod.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in figure 1, the hydraulic test device for the aviation engine boosting main pipe fuel spray rod comprises a support 1, a main fuel pipe 2, a nut plug 3, a left locking nut 4, a ball head fuel inlet hose 5, a sealing nut 6, a right locking nut 7 and a compression screw 8,
the support 1 is square, the upper frame of the support 1 is provided with a plurality of threaded holes, and the compression screw 8 is arranged in the threaded holes and can rotate along with the compression screw to move up and down in the threaded holes;
the main oil pipe 2 is fixedly arranged at the bottom of the support 1, two ends of the main oil pipe 2 extend out of two sides of the support 1, and the middle part of the main oil pipe 2 is provided with a plurality of boss holes communicated with an internal pipeline; the nut plug 3 is arranged at the left end of the main oil pipe 2 and seals the outlet at the left end of the main oil pipe 2, and the ball-head oil inlet hose is arranged at the right end of the main oil pipe 2 through the sealing nut 6 and used for supplying oil to the main oil pipe 2;
when the device is used, one end of a long oil spray rod 9 or a short oil spray rod 10 to be tested is inserted into a boss hole of a main oil pipe 2, the other end of the long oil spray rod 9 or the short oil spray rod 10 is tightly jacked by a compression screw 8, the main oil pipe 2 is supplied with oil through a ball head oil inlet hose 5, the long oil spray rod 9 or the short oil spray rod 10 to be tested is filled with oil, and then the long oil spray rod 9 or the short oil spray rod 10 is subjected to tightness test.
Furthermore, boss holes arranged on the main oil pipe 2 correspond to threaded holes arranged on an upper frame of the support 1.
Further, still include left lock nut 4 and right lock nut 7, the bottom both sides frame of support 1 is equipped with the through-hole, and the both ends of main oil pipe 2 are equipped with the external screw thread, and two through-holes are passed respectively at the both ends of main oil pipe 2, and left lock nut 4 and right lock nut 7 fasten main oil pipe 2 in the through-hole department of the bottom both sides frame of support 1 through the external screw thread at main oil pipe 2 both ends respectively.
Furthermore, the aperture of the boss hole arranged on the main oil pipe 2 is matched with the diameter of the long oil spray rod 9 or the short oil spray rod 10 to be detected.
Furthermore, the bottom of the compression screw 8 is provided with an inward-concave boss, and a long oil spray rod 9 or a short oil spray rod 10 is inserted into the boss at the bottom of the compression screw 8 during testing.
Furthermore, the number of boss holes arranged on the main oil pipe 2 is 10.
Furthermore, the number of the threaded holes formed in the support 1 is 10, and a compression screw 8 is installed in each threaded hole.
Furthermore, a sealing washer is arranged in a boss hole arranged on the main oil pipe 2.
Claims (8)
1. The utility model provides a hydraulic test device that is used for afterburning house steward beam-projecting pole of aeroengine which characterized in that: comprises a bracket, a main oil pipe, a nut plug, a left locking nut, a ball head oil inlet hose, a sealing nut, a right locking nut and a compression screw,
the support is square, the upper frame of the support is provided with a plurality of threaded holes, and the compression screw is arranged in the threaded holes and can rotate along with the compression screw to move up and down in the threaded holes;
the main oil pipe is fixedly arranged at the bottom of the bracket, two ends of the main oil pipe extend out of two sides of the bracket, and the middle part of the main oil pipe is provided with a plurality of boss holes communicated with the internal pipeline; the nut plug is arranged at the left end of the main oil pipe to seal the left end outlet of the main oil pipe, and the ball head oil inlet hose is arranged at the right end of the main oil pipe through the sealing nut and used for supplying oil to the main oil pipe;
during the use, insert the fueling rod one end that awaits measuring in the boss hole of main oil pipe, the other end uses compression screw to carry out tight top to the fueling rod, and rethread bulb oil feed hose carries out the fuel feeding to main oil pipe, makes the fueling rod that awaits measuring be full of fluid, carries out fueling rod leakproofness test again.
2. The hydraulic test device for the fueling manifold fueling rod of an aircraft engine as set forth in claim 1, wherein: and boss holes arranged on the main oil pipe correspond to threaded holes arranged on the upper frame of the support.
3. The hydraulic test device for the fueling manifold fueling rod of an aircraft engine as set forth in claim 1, wherein: the oil pipe fixing device is characterized by further comprising a left locking nut and a right locking nut, through holes are formed in two side frames of the bottom of the support, external threads are arranged at two ends of the main oil pipe, two ends of the main oil pipe penetrate through the two through holes respectively, and the left locking nut and the right locking nut fasten the main oil pipe at the through holes of the two side frames of the bottom of the support through the external threads at the two ends of the main oil pipe respectively.
4. The hydraulic test device for the fueling manifold fueling rod of an aircraft engine as set forth in claim 1, wherein: the aperture of a boss hole formed in the main oil pipe is matched with the diameter of the oil injection rod to be detected.
5. The hydraulic test device for the fueling manifold fueling rod of an aircraft engine as set forth in claim 1, wherein: the bottom of the compression screw is provided with an inward-sunken boss, and the oil injection rod is inserted into the boss at the bottom of the compression screw during testing.
6. The hydraulic test device for the fueling manifold fueling rod of an aircraft engine as set forth in claim 1, wherein: the number of boss holes arranged on the main oil pipe is 10.
7. The hydraulic test device for the fueling manifold fueling rod of an aircraft engine as set forth in claim 1, wherein: the screw hole that sets up on the support is 10, all installs a compression screw in every screw hole.
8. The hydraulic test device for the fueling manifold fueling rod of an aircraft engine as set forth in claim 1, wherein: and a sealing washer is also arranged in a boss hole arranged on the main oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911135650.6A CN110823466A (en) | 2019-11-19 | 2019-11-19 | Hydraulic test device for thrust augmentation main pipe fuel spray rod of aircraft engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911135650.6A CN110823466A (en) | 2019-11-19 | 2019-11-19 | Hydraulic test device for thrust augmentation main pipe fuel spray rod of aircraft engine |
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| CN110823466A true CN110823466A (en) | 2020-02-21 |
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| CN201911135650.6A Pending CN110823466A (en) | 2019-11-19 | 2019-11-19 | Hydraulic test device for thrust augmentation main pipe fuel spray rod of aircraft engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418689A (en) * | 2021-06-30 | 2021-09-21 | 中国航发贵州黎阳航空动力有限公司 | Measuring tool for detecting injection direction of fuel spray rod |
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| CN202066754U (en) * | 2011-04-26 | 2011-12-07 | 中国船舶重工集团公司第七一一研究所 | Pressure testing device of high-pressure oil tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113418689A (en) * | 2021-06-30 | 2021-09-21 | 中国航发贵州黎阳航空动力有限公司 | Measuring tool for detecting injection direction of fuel spray rod |
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Application publication date: 20200221 |