CN115389137A - Test experiment device for simulating leakage fault of aviation hydraulic pipeline - Google Patents
Test experiment device for simulating leakage fault of aviation hydraulic pipeline Download PDFInfo
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- CN115389137A CN115389137A CN202211321744.4A CN202211321744A CN115389137A CN 115389137 A CN115389137 A CN 115389137A CN 202211321744 A CN202211321744 A CN 202211321744A CN 115389137 A CN115389137 A CN 115389137A
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- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 238000002474 experimental method Methods 0.000 title claims description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 16
- 230000001133 acceleration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention belongs to the technical field of pipeline testing devices, in particular to a testing experimental device for simulating a leakage fault of an aviation hydraulic pipeline, and aims to solve the problems that an existing aviation hydraulic pipeline testing experimental device is generally used for independently mounting and testing one pipeline, the test is required to be disassembled and then remounted after the test is finished, the operation is complicated, and the pipeline is inconvenient to be quickly fixed during operation. The pipeline testing device is simple to operate and convenient to use, can be used for conveniently installing and fixing a plurality of testing pipelines, can be used for conveniently carrying out conversion testing on the testing pipelines, and is convenient for people to use.
Description
Technical Field
The invention relates to the technical field of pipeline testing devices, in particular to a testing experimental device for simulating a leakage fault of an aviation hydraulic pipeline.
Background
After the aviation hydraulic pipelines are worn and aged at different degrees, some pipelines have faults of cracks and the like at different degrees, and the hydraulic pipelines are spread at each corner of the aircraft, so that the leakage of the hydraulic pipelines can influence the operation condition of the aircraft undoubtedly, under the condition, if the different leakage faults of the aviation hydraulic pipelines can be known, fluid-solid coupling acceleration data, flow velocity, pressure and other data of hydraulic oil in the pipelines can be obtained, and the method has practical significance for improving the efficiency of eliminating the leakage faults of the aviation hydraulic pipelines so as to maintain the aircraft in time and ensure the normal use of the aircraft; the publication number is: CN213543979U, a chinese utility model patent document, discloses a test experimental device for simulating aviation hydraulic pipeline leakage fault, which comprises an oil inlet pipe diameter converter, an oil inlet main pipeline, a three-way pipe, a ball valve, a connecting hose, a variable test pipeline, a leakage degree control joint, an acceleration sensor, an oil outlet main pipeline, an oil outlet pipe diameter converter, a main body frame, an oil leakage base and a pipe clamp; the utility model discloses an advantage: the mode that the variable test pipeline of usable change satisfies different pipe diameters, different pipe lengths, the pipeline test requirement of different shapes. The hydraulic pipelines with different leakage degrees can be simply and conveniently tested by replacing the leakage degree control joint. The acceleration sensor can simply and conveniently detect the acceleration of the measured pipeline and other data related to the experiment. The oil leakage base can be used for preventing oil sprayed from the test pipeline from splashing all around, and hydraulic oil can be uniformly treated.
However, above-mentioned current aviation hydraulic pressure pipeline test experimental apparatus is when using, generally all installs the test to a pipeline alone, need dismantle after the test is accomplished and install the test again, complex operation, and inconvenient when the operation is carried out the pipeline fast fixed.
Disclosure of Invention
In order to solve the technical problems, the invention aims to solve the defects that the existing test device for testing the aviation hydraulic pipeline is generally used for independently mounting and testing one pipeline, the pipeline needs to be dismounted and remounted for testing after the test is finished, the operation is complicated, and the pipeline is inconvenient to be quickly fixed during the operation, and provides the test device for simulating the leakage fault of the aviation hydraulic pipeline.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a simulation aviation hydraulic pressure pipeline leakage fault's test experiment device, the on-line screen storage device comprises a base, the top fixed mounting of base has the fixed box, install the oil tank on the bottom inner wall of fixed box, install the connecting box on the oil tank, the catheter is all installed to the both sides of connecting box, the back flow is all installed to the both sides of oil tank, a plurality of installation pipes are all installed to the both sides of fixed box, be close to the cooperation each other with two installation pipes of one side, be equipped with the shifter on the catheter, the shifter is mutually supported with a plurality of installation pipes that correspond, install the connecting pipe on the back flow, a plurality of installation pipe fixed connection of connecting pipe and correspondence, be equipped with fixed establishment on the installation pipe, be equipped with the valve on the installation pipe, equal fixed mounting has a plurality of positioning seats on the both sides inner wall of fixed box, it is connected with the drive lever to rotate on the positioning seat, the drive lever is connected with two valve drive that correspond, it is connected with the screw rod to rotate on the fixed box, the one end fixed mounting of screw rod has the handle, the screw rod is connected with the shifter transmission, be equipped with actuating mechanism on the drive mechanism, actuating mechanism and the valve mutually support with the correspondence.
Preferably, the switching mechanism includes the conversion box, and the conversion box is connected with the catheter that corresponds, conversion box and a plurality of installation pipe fixed connection with one side, sliding connection has the drainage tube on the inner wall of conversion box, and liquid hole has been seted up to one side of drainage tube, and the opening has been seted up to the opposite side of drainage tube, and the opening is mutually supported with the catheter.
Preferably, the driving mechanism comprises a driving gear and a driven gear, the two driving gears are fixedly mounted on the same driving rod, the driven gear is mounted on a switch of the valve, and the driving gear is meshed with the corresponding driven gear.
Preferably, the fixing mechanism comprises a positioning box, the positioning box is installed on the installation pipe, a plurality of pressing rods are connected onto the positioning box in a sliding mode, a pressing plate is fixedly installed at one end of each pressing rod, and the pressing plates are matched with the corresponding installation pipe.
Preferably, the screw is connected with a moving block in a threaded manner, and the moving block is fixedly connected with the corresponding drainage tube.
Preferably, the other end of the pressure lever is fixedly provided with a baffle, one side of the baffle is fixedly provided with a return spring, and one end of the return spring is fixedly connected with the positioning box.
Preferably, the outside screw thread cover of location box is equipped with the sleeve pipe, rotates on the sleeve pipe and is connected with the wedge overhead guard, wedge overhead guard and location box sliding connection, and the wedge overhead guard is mutually supported with the baffle.
Preferably, the installation pipe is provided with a pressure gauge, the base is provided with a display, and the display is connected with the pressure gauge.
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the driving gear is meshed with the driven gear, and the driven gear is connected with the corresponding valve switch, so that the rotating driving rod can simultaneously open the corresponding two valves, and the corresponding two mounting pipes are communicated with each other;
(2) The sleeve is in threaded connection with the positioning box, and the wedge-shaped top cover is matched with the baffle plate, so that the rotating sleeve can drive the pressing rod to move, and further drive the pressing plate to press and fix the test tube;
(3) Because the threaded connection of screw rod and movable block, and go up liquid hole and the mutually supporting of installation pipe on the drainage tube, the opening is mutually supported with the catheter for liquid in the connecting box can be through the catheter with the leading-in installation intraductal to the correspondence of conversion box, thereby leading-in to test the pipe and test.
The device is simple to operate and convenient to use, can be used for conveniently installing and fixing a plurality of test pipelines, can be used for conveniently carrying out conversion test on each test pipeline, and is convenient for people to use.
Drawings
FIG. 1 is a schematic structural diagram of a test experimental device for simulating a leakage fault of an aviation hydraulic pipeline, which is provided by the invention;
FIG. 2 is a schematic top view of an experimental apparatus for testing simulation of leakage fault of an aviation hydraulic pipeline according to the present invention;
FIG. 3 is a schematic cross-sectional structural diagram of a switching box of the experimental device for testing the simulation of the leakage fault of the aviation hydraulic pipeline according to the present invention;
FIG. 4 is a schematic cross-sectional structural view of a positioning box of the test experimental device for simulating the leakage fault of the aviation hydraulic pipeline, provided by the invention;
fig. 5 is a schematic structural diagram of a part a of a test experimental apparatus for simulating a leakage fault of an aviation hydraulic pipeline according to the present invention.
In the figure: 1. a base; 2. a fixing box; 3. an oil tank; 4. a connecting box; 5. a catheter; 6. installing a pipe; 7. a switch box; 8. a drainage tube; 9. a liquid outlet hole; 10. an opening; 11. a screw; 12. a moving block; 13. a pressure gauge; 14. a valve; 15. positioning seats; 16. a driving lever; 17. a driving gear; 18. a driven gear; 19. a connecting pipe; 20. a return pipe; 21. a positioning box; 22. a pressure lever; 23. pressing a plate; 24. a baffle plate; 25. a return spring; 26. a sleeve; 27. a wedge-shaped top cover.
Detailed Description
The technical solution in this embodiment will be clearly and completely described below with reference to the drawings in this embodiment.
Example one
Referring to fig. 1-5, a test experiment device for simulating a leakage fault of an aviation hydraulic pipeline, which comprises a base 1, a fixed box 2 is fixedly installed at the top of the base 1, an oil tank 3 is installed on the inner wall of the bottom of the fixed box 2, a connecting box 4 is installed on the oil tank 3, liquid guide pipes 5 are installed on two sides of the connecting box 4, return pipes 20 are installed on two sides of the oil tank 3, a plurality of installation pipes 6 are installed on two sides of the fixed box 2, two installation pipes 6 on the same side are close to and matched with each other, a switching mechanism is arranged on the liquid guide pipes 5, the switching mechanism is matched with the corresponding installation pipes 6, connecting pipes 19 are installed on the return pipes 20, the connecting pipes 19 are fixedly connected with the corresponding installation pipes 6, fixing mechanisms are arranged on the installation pipes 6, valves 14 are arranged on the installation pipes 6, a plurality of positioning seats 15 are fixedly installed on the inner walls of two sides of the fixed box 2, a driving rod 16 is rotatably connected with the positioning seats 15, the driving rod 16 is in a transmission connection with the corresponding two valves 14, a screw rod 11 is rotatably connected with one end of the screw rod 11, the screw rod 11 is connected with a display 13 which is installed on the corresponding valve 14, and a pressure gauge 13 is connected with the base 1.
In this embodiment, the shifter includes conversion box 7, conversion box 7 is connected with corresponding catheter 5, conversion box 7 and 6 fixed connection of a plurality of installation pipes with one side, sliding connection has drainage tube 8 on the inner wall of conversion box 7, liquid hole 9 has been seted up to one side of drainage tube 8, opening 10 has been seted up to drainage tube 8's opposite side, opening 10 and catheter 5 mutually support, threaded connection has movable block 12 on the screw rod 11, movable block 12 and corresponding drainage tube 8 fixed connection, pivoted screw rod 11 is through the threaded connection with movable block 12, thereby can drive drainage tube 8 and carry out the position and remove, and then derive the liquid in connecting box 4 through opening 10 and liquid hole 9.
In this embodiment, the driving mechanism includes a driving gear 17 and a driven gear 18, two driving gears 17 are fixedly mounted on the same driving rod 16, the driven gear 18 is mounted on the switch of the valve 14, the driving gear 17 is meshed with the corresponding driven gear 18, and the rotating driving rod 16 is meshed with the driven gear 18 through the driving gear 17, so as to drive the switch of the valve 14 to be opened.
In this embodiment, fixed establishment includes location box 21, location box 21 is installed on installation pipe 6, sliding connection has a plurality of depression bars 22 on location box 21, the one end fixed mounting of depression bar 22 has clamp plate 23, clamp plate 23 mutually supports with the installation pipe 6 that corresponds, the other end fixed mounting of depression bar 22 has baffle 24, one side fixed mounting of baffle 24 has reset spring 25, reset spring 25's one end and location box 21 fixed connection, the outside thread bush of location box 21 is equipped with sleeve pipe 26, it is connected with wedge overhead guard 27 to rotate on the sleeve pipe 26, wedge overhead guard 27 and location box 21 sliding connection, and wedge overhead guard 27 and baffle 24 mutually support, pivoted sleeve pipe 26 is through the threaded connection with location box 21, and wedge overhead guard 27 and baffle 24 mutually support, thereby can drive depression bar 22 and clamp plate 23 carry out quick fixed to the test pipeline.
Working principle, in operation, two ends of a test pipeline are respectively placed on two corresponding mounting pipes 6, the sleeve 26 is rotated, the rotated sleeve 26 drives the sleeve 26 to move through threaded connection with the positioning box 21, the sleeve 26 drives the wedge-shaped top cover 27 to move, so that the pressure lever 22 is driven to move through the mutual matching of the wedge-shaped top cover 27 and the baffle 24, the moved pressure lever 22 presses and fixes the test pipeline through the pressing plate 23, when a test is required, the driving lever 16 is rotated first, the driving lever 16 drives the drainage pipe 8 to move through the mutual meshing of the driving gear 17 and the driven gear 18, the driven gear 18 is connected with the valve 14 to be opened and closed, so that the two corresponding valves 14 can be driven to be opened, the handle is rotated again, the handle drives the screw rod 11 to rotate, the drainage pipe 8 is driven to move through the threaded connection with the moving block 12, when the drainage pipe 8 moves to the corresponding mounting pipe 6, the drainage pipe 8 is matched with the corresponding mounting pipe 6 through the liquid outlet 9, and the opening 10 is matched with the drainage pipe 5, so that oil in the oil tank 3 and the conversion box 7 are connected into the mounting pipe 6, finally, and the test pipeline can be subjected to a pressure leakage, and a test can be reduced when a test pressure of the return pipe is leaked, and a corresponding to the test pipeline, and a pressure of the return pipe 13 can be leaked.
Example two
The difference between the second embodiment and the first embodiment is that the bottom of the base 1 is rotatably connected with four symmetrically arranged universal lockable wheels, and the universal lockable wheels can be used for conveniently moving the device and also can be used for conveniently fixing and placing the device.
Claims (8)
1. A test experiment device for simulating leakage faults of an aviation hydraulic pipeline comprises a base (1), wherein a fixed box (2) is fixedly installed at the top of the base (1), an oil tank (3) is installed on the inner wall of the bottom of the fixed box (2), the test experiment device is characterized in that a connecting box (4) is installed on the oil tank (3), liquid guide pipes (5) are installed on two sides of the connecting box (4), return pipes (20) are installed on two sides of the oil tank (3), a plurality of installation pipes (6) are installed on two sides of the fixed box (2), two installation pipes (6) on the same side are close to and matched with each other, a conversion mechanism is arranged on the liquid guide pipe (5), the conversion mechanism is matched with a plurality of corresponding installation pipes (6), a connecting pipe (19) is installed on the return pipe (20), the connecting pipe (19) is fixedly connected with a plurality of corresponding installation pipes (6), a fixing mechanism is arranged on each installation pipe (6), a valve (14) is arranged on each installation pipe (6), a plurality of positioning seats (15) are fixedly installed on the inner walls on two sides of the fixed box (2), a positioning seat (15) is rotatably connected with a positioning rod (16), a screw (11) which is connected with a corresponding transmission screw (11), the driving rod (16) is provided with a driving mechanism which is matched with the corresponding valve (14).
2. The test experiment device for simulating the leakage fault of the aviation hydraulic pipeline according to claim 1, wherein the conversion mechanism comprises a conversion box (7), the conversion box (7) is connected with the corresponding liquid guide pipe (5), the conversion box (7) is fixedly connected with a plurality of mounting pipes (6) on the same side, a drainage pipe (8) is connected to the inner wall of the conversion box (7) in a sliding manner, a liquid outlet hole (9) is formed in one side of the drainage pipe (8), an opening (10) is formed in the other side of the drainage pipe (8), and the opening (10) is matched with the liquid guide pipe (5).
3. The test experiment device for simulating the leakage fault of the aviation hydraulic pipeline according to the claim 1, wherein the driving mechanism comprises a driving gear (17) and a driven gear (18), the two driving gears (17) are fixedly installed on the same driving rod (16), the driven gear (18) is installed on a switch of the valve (14), and the driving gear (17) is meshed with the corresponding driven gear (18).
4. The test experiment device for simulating the leakage fault of the aviation hydraulic pipeline according to the claim 1, wherein the fixing mechanism comprises a positioning box (21), the positioning box (21) is installed on the installation pipe (6), a plurality of pressing rods (22) are connected to the positioning box (21) in a sliding manner, one end of each pressing rod (22) is fixedly provided with a pressing plate (23), and the pressing plates (23) are matched with the corresponding installation pipe (6).
5. The test experiment device for simulating the leakage fault of the aviation hydraulic pipeline according to claim 2, wherein a moving block (12) is connected to the screw rod (11) in a threaded manner, and the moving block (12) is fixedly connected with the corresponding drainage tube (8).
6. The test experiment device for simulating the leakage fault of the aviation hydraulic pipeline according to the claim 4, wherein a baffle (24) is fixedly mounted at the other end of the compression rod (22), a return spring (25) is fixedly mounted at one side of the baffle (24), and one end of the return spring (25) is fixedly connected with the positioning box (21).
7. The test experiment device for simulating the leakage fault of the aviation hydraulic pipeline is characterized in that a sleeve (26) is sleeved on an outer side thread of the positioning box (21), a wedge-shaped top cover (27) is rotatably connected to the sleeve (26), the wedge-shaped top cover (27) is slidably connected with the positioning box (21), and the wedge-shaped top cover (27) is matched with the baffle (24).
8. The test experiment device for simulating the leakage fault of the aviation hydraulic pipeline according to claim 1, wherein a pressure gauge (13) is installed on the installation pipe (6), a display is installed on the base (1), and the display is connected with the pressure gauge (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211321744.4A CN115389137A (en) | 2022-10-27 | 2022-10-27 | Test experiment device for simulating leakage fault of aviation hydraulic pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211321744.4A CN115389137A (en) | 2022-10-27 | 2022-10-27 | Test experiment device for simulating leakage fault of aviation hydraulic pipeline |
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| CN115389137A true CN115389137A (en) | 2022-11-25 |
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| CN202211321744.4A Pending CN115389137A (en) | 2022-10-27 | 2022-10-27 | Test experiment device for simulating leakage fault of aviation hydraulic pipeline |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR491834A (en) * | 1918-09-18 | 1919-06-19 | Societe Vachette Freres Et Leurs Fils | Metal tube testing machine |
| US20160230535A1 (en) * | 2013-12-27 | 2016-08-11 | Halliburton Energy Services, Inc. | Mounting bracket for strain sensor |
| CN107796560A (en) * | 2017-11-21 | 2018-03-13 | 嘉兴学院 | A kind of sensor for measuring diesel engine high-pressure fuel conduit pressure |
| CN209925732U (en) * | 2019-05-05 | 2020-01-10 | 中国神华煤制油化工有限公司 | Valve control device |
| CN213543979U (en) * | 2020-11-19 | 2021-06-25 | 中国民航大学 | Test experiment device for simulating leakage fault of aviation hydraulic pipeline |
| CN113385752A (en) * | 2021-07-08 | 2021-09-14 | 山西风源机械制造有限公司 | Positioning and clamping device suitable for single-head screw pump rotor machining |
| CN216349446U (en) * | 2021-11-29 | 2022-04-19 | 烟台市特种设备检验研究院 | Boiler pressure vessel leakage detection device |
-
2022
- 2022-10-27 CN CN202211321744.4A patent/CN115389137A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR491834A (en) * | 1918-09-18 | 1919-06-19 | Societe Vachette Freres Et Leurs Fils | Metal tube testing machine |
| US20160230535A1 (en) * | 2013-12-27 | 2016-08-11 | Halliburton Energy Services, Inc. | Mounting bracket for strain sensor |
| CN107796560A (en) * | 2017-11-21 | 2018-03-13 | 嘉兴学院 | A kind of sensor for measuring diesel engine high-pressure fuel conduit pressure |
| CN209925732U (en) * | 2019-05-05 | 2020-01-10 | 中国神华煤制油化工有限公司 | Valve control device |
| CN213543979U (en) * | 2020-11-19 | 2021-06-25 | 中国民航大学 | Test experiment device for simulating leakage fault of aviation hydraulic pipeline |
| CN113385752A (en) * | 2021-07-08 | 2021-09-14 | 山西风源机械制造有限公司 | Positioning and clamping device suitable for single-head screw pump rotor machining |
| CN216349446U (en) * | 2021-11-29 | 2022-04-19 | 烟台市特种设备检验研究院 | Boiler pressure vessel leakage detection device |
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Application publication date: 20221125 |