CN116878822A - Filter element vibration flow resistance integrated test device - Google Patents
Filter element vibration flow resistance integrated test device Download PDFInfo
- Publication number
- CN116878822A CN116878822A CN202310664019.5A CN202310664019A CN116878822A CN 116878822 A CN116878822 A CN 116878822A CN 202310664019 A CN202310664019 A CN 202310664019A CN 116878822 A CN116878822 A CN 116878822A
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- CN
- China
- Prior art keywords
- flow resistance
- vibration
- filter element
- test device
- fuel filter
- Prior art date
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 239000000446 fuel Substances 0.000 claims abstract description 32
- 238000004088 simulation Methods 0.000 claims abstract description 23
- 239000000295 fuel oil Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0307—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements
- B01D33/0315—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0307—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses an integrated device for a fuel filter element vibration flow resistance test, which comprises a vibration component for fixing a fuel filter element and a flow resistance component for testing the flow resistance of the fuel filter element, wherein two ends of the vibration component are communicated with a flow resistance pipeline of the flow resistance component, the vibration component comprises a simulation shell (5), the simulation shell (5) is used for fixing the fuel filter element on a vibration bracket (1) after being sleeved, the simulation shell (5) is supported after being matched with a supporting frame (3) through an upper pressing plate (2), and a system joint (21) of the flow resistance component is connected with the inner surface of the fuel filter element. The flow resistance measuring device solves the problem of accurate measurement of the flow resistance of the fuel filter element product in the vibration environment, simulates the working environment and the connection form of the fuel filter element, simultaneously enables the flow resistance test to be possible under the vibration condition, and improves the accuracy of the flow resistance test through controlling the inner diameter of the flow resistance and the measuring point position. The test device is also suitable for non-vibration environment and provides reference for similar filter element test.
Description
Technical Field
The disclosure relates to the technical field of aerospace vehicle tooling design, in particular to a filter element vibration flow resistance integrated test device.
Background
For the aerospace system product, according to the service environment and different functions of the product, the adopted structure is different, the fuel filter element is an important component for filtering media such as fuel, fuel oil and the like in a product liquid path system in a flying vibration ring, clean fuel is provided for the downstream, a set of test device is required to be designed for verifying the reliability of the filter element, the performance indexes such as the filtration flow resistance and the like of the filter element in the vibration environment are fully verified, the testing accuracy is ensured, and the flow resistance measurement problem of the filter element product is solved. The prior art CN 212513605U discloses a flow resistance measurement test system, which is powered by a water pump to measure flow and flow resistance in a static ground environment and is not suitable for testing in a product vibration environment.
Disclosure of Invention
Aiming at least one defect or deficiency in the prior art, the device provides a test device for filtering under the flight state of a spacecraft, can accurately measure the flow resistance performance of a product under the flight state, and under the vibration condition, the flow resistance performance of the product is tested to finish the test.
The technical scheme that this disclosure adopted is filter core vibration flow resistance integration test device, including the vibration part fixed with the fuel filter core and carry out the flow resistance part of fuel filter core flow resistance test, vibration part both ends and flow resistance pipeline intercommunication of flow resistance part, vibration part include the simulation casing, the simulation casing is fixed on the vibration support after with the fuel filter core suit, will simulate the casing support after through top board and support frame adaptation, the system joint of flow resistance part links to each other with the fuel filter core internal surface.
Preferably, the vibration bracket comprises a bottom plate, a large vertical plate and a small vertical plate; the base plate is vertically provided with a large vertical plate and a small vertical plate at intervals, the vibration components are fixed through the large vertical plate and the small vertical plate, the flow resistance components are respectively fixed through the small vertical plates, and the flow resistance components are supported through the upper pressing plate and the supporting frame.
Preferably, the flow resistance pipeline comprises a joint mouth, a straight pipe, a pressure measuring mouth and a system joint; the flow resistance pipeline one end system joint is connected with the fuel oil test system, the other end joint is sealed through a sealing gasket, the other end joint is connected with the simulation shell and the joint of the vibration component, fuel oil medium enters the fuel oil filter core from one side of the test device and flows out from the other side, and the installation position of the pressure measuring nozzle is 10 times and 20 times of the inner diameter of the straight pipe.
Preferably, the upper pressing plate and the supporting frame are connected with the bottom plate through bolts, and the connecting part is a kidney-shaped connecting hole.
Preferably, the vibration support, the upper pressing plate and the support frame are made of 2A12 duralumin materials.
Preferably, the flow resistance pipeline is made of 1Cr18Ni9Ti stainless steel.
Preferably, an O-shaped ring with a sealing function is arranged at the interface of the flow resistance pipeline and the vibration part.
The beneficial effects of the invention are as follows: the integrated testing device for the flow resistance of the filter element vibration solves the problem of accurate measurement of the flow resistance of the fuel filter element product in the vibration environment, simulates the working environment and the connection form of the fuel filter element, simultaneously enables the flow resistance test to be possible under the vibration condition, and improves the accuracy of the flow resistance test through controlling the inner diameter of the flow resistance and the measuring point position. The test device is also suitable for non-vibration environment and provides reference for similar filter element test.
Drawings
FIG. 1 is a schematic diagram of a structure of an integrated test device for vibration flow resistance of a filter element.
Fig. 2 is a schematic view of the structure of the vibrating member of the present invention.
Fig. 3 is a schematic view of the structure of the vibration bracket of the present invention.
Fig. 4 is a schematic view of the structure of the flow resistance member of the present invention.
Fig. 5 is a schematic structural view of a support frame according to the present invention.
FIG. 6 is a schematic view of the structure of the upper platen of the present invention.
The marks in the figure: 1. vibration bracket, 2 upper pressing plate, 3 supporting frame, 4 joint, 5 simulation shell, 6-9.O ring, 10.M6 nut, 11.M6 gasket, 12.M6 bolt, 13.M8 nut, 14.M8 gasket, 15.M6 bolt, 16 product inlet switching frock, 17 shell plug, 18 joint mouth, 19 straight tube, 20 pressure measuring mouth, 21 system joint, 22 sealing gasket, 1.1 bottom plate, 1.2 big riser, 1.3 little riser.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.
The invention relates to a fuel filter element, which generates matrix vibration from self and external resistance in the flight process, and a structure used for a flight test needs to be subjected to a vibration test. The fuel filter element is an important medium for filtering fuel, fuel oil and the like in a product liquid path system, provides clean fuel for the downstream, and needs to design a set of test device for verifying the reliability of the filter element so as to ensure that the performance indexes such as the filtration flow resistance and the like of the filter element under the vibration environment are fully verified.
The invention relates to a fuel filter element vibration flow resistance test integrated device which is used for simulating a filter element filtration flow resistance test in a vibration environment, and the test device can provide vibration and flow resistance tests for various filter element products, and belongs to the field of tool design.
According to the search and investigation, the flow resistance test is a static environment flow resistance test or a working state vibration test, namely, the flow resistance test is not performed, a test system similar to the flow resistance test in a mechanical environment is not found, the test device solves the problems of vibration and flow resistance test, improves the performance test precision of the product, and does not find a replacement scheme.
As shown in FIG. 1, the vibration flow resistance integrated test device is divided into two parts, one part is a vibration part, the fuel filter element is mainly fixed, and meanwhile, the device can be connected with a vibration test system, so that the product can realize a vibration test; the other part is a flow resistance test part which provides reliable support for flow resistance test of the fuel filter element, and the flow resistance test part is specifically as follows:
the vibration component is shown in figure 2, and mainly comprises a vibration bracket 1, an upper pressing plate 2, a support frame 3, a joint 4, a simulation shell 5, O-shaped rings 6-9 with sealing effect, nuts with different sizes, bolts and the like, wherein the simulation shell 5 is designed outside the filter element to ensure that the structure and the size are consistent with the real installation state of a product in order to achieve the function of flow resistance test in the vibration process of the filter element, meanwhile, the filter element is fixed on a vertical plate of the vibration bracket 1, the vertical plate comprises a large vertical plate 1.2 and a small vertical plate 1.3, the joint 4 is connected with the inner surface of the filter element of the product, and the filter element is sealed by using a rubber ring; the simulation shell 5 is reliably connected with the vertical plate of the vibration bracket 1 by bolts and nuts, and is sealed by a rubber ring; in order to reduce the vibration in-process simulation casing tremble, on the simulation casing, support simulation casing 5 through top board 2, support frame 3, pass through bolted connection with the bottom plate simultaneously, here connecting hole design into waist shape hole, realize supporting part adjustable, guarantee simulation casing and support validity.
As shown in fig. 3, the flow resistance member is mainly composed of a nozzle 18, a straight pipe 19, a pressure measuring nozzle 20, a system joint 21 and a gasket 22. When in test, one end system joint 21 of the flow resistance pipeline is connected with the fuel oil test system, the fuel oil test system is sealed through a sealing gasket 22, and the other end joint 18 is connected with the simulation shell 5 and the joint 4 of the vibration component, so that the fuel oil medium is ensured to enter the fuel oil filter core from one side of the test device and flow out from the other side. The end of the simulation shell 5 is provided with the shell choke plug 17, the shell choke plug 17 plays a role in blocking when the simulation shell 5 is filled with fuel, the tool is dual-purpose, the flow resistance test is carried out while vibration is carried out in fig. 1, namely, medium flows in from the system joint 21, the joint 18 is connected with the product inlet switching tool 16, the product sealing is ensured, the vibration process is in another state, no medium flows, the medium is simply filled, then two ends are closed, the joint 4 is adopted to block the product inlet switching tool 16, and the other end is adopted to block the product inlet switching tool 16 by adopting the shell choke plug 17 and the simulation shell 5.
In order to achieve the purpose of flow resistance test, the installation position of the pressure measuring nozzle 20 is designed to be 10 times and 20 times of the inner diameter of the straight pipe 19, product flow resistance test is carried out through two differential pressure meters, when a certain flow rate of the fuel medium reaches a filter element and vibration flow resistance integrated device, product flow resistance is obtained through calculation, the product flow resistance is represented by delta P, and a calculation formula delta P=2delta P is calculated 1 -ΔP 2 。
Wherein:
ΔP 1 is the pressure difference between the 10-pipe diameter positions of the inlet and the outlet of the product.
ΔP 2 Is the pressure difference between the product inlet and the product outlet at 20 pipe diameters.
On flow resistance inlet pipeline and outlet pipeline, designed top board and support frame respectively, effectively guaranteed the support of flow resistance pipeline, pass through bolted connection with the bottom plate simultaneously, here connecting hole design into waist shape hole, realize supporting part adjustable, bottom plate 1.1 designs into integral type structure, ensures that the whole device is in under the same frequency in the vibration process, has improved flow resistance test accuracy under the product vibration environment.
The design requirements are as follows:
(1) The vertical plate and the bottom plate 1.1 of the vibration bracket 1, the upper pressing plates 2 and the supporting frames 3 are made of 2A12 hard aluminum materials, all the components are connected with the bottom plate 1.1 through a welding process, the strength is ensured, meanwhile, the vibration magnitude can be effectively transmitted to the fuel filter core, and the accuracy and the effectiveness of vibration are ensured.
(2) When the flow resistance pipeline is designed, a 1Cr18Ni9Ti stainless steel material is adopted, so that deformation in the vibration process of the pipeline is reduced, flow resistance change caused by micro deformation of the pipeline during vibration is reduced, and meanwhile, an O-shaped ring is designed at the interface of the pipeline and the vibration part, so that the tightness between the thin-wall part pipeline and the vibration part is ensured.
(3) Two pressure measuring nozzles 20 are designed on a flow resistance pipeline and are arranged at a distance which is 10 times and 20 times of the inner diameter of the pipeline, the distance is a general requirement of industry, and the pressure difference between two points is acquired through a pressure difference meter, so that the flow resistance test precision is improved.
(4) On flow resistance inlet pipeline and export pipeline and vibration simulation casing 5, designed top board 2 and support frame 3 respectively, effectively guaranteed the reliable connection with the bottom plate in the vibration process, here connecting hole design becomes waist shape hole, guarantees when supporting, to highly adjustable, guarantees center height uniformity.
(5) The vibration bottom plate is designed into an integrated structure, the fuel filter element and the flow resistance pipeline are rigidly connected, the whole device is ensured to be under the same frequency in the vibration process, and the flow resistance testing precision of the product in the vibration environment is improved.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Filter core vibration flow resistance integration test device, its characterized in that: the fuel filter comprises a vibrating component for fixing a fuel filter element and a flow resistance component for testing the flow resistance of the fuel filter element, wherein two ends of the vibrating component are communicated with flow resistance pipelines of the flow resistance component, the vibrating component comprises a simulation shell (5), the simulation shell (5) is sleeved with the fuel filter element and then fixed on a vibrating bracket (1), the simulation shell (5) is supported after being matched with a supporting frame (3) through an upper pressing plate (2), and a system joint (21) of the flow resistance component is connected with the inner surface of the fuel filter element.
2. The integrated test device for vibration flow resistance of filter element according to claim 1, wherein: the vibration bracket (1) comprises a bottom plate (1.1), a large vertical plate (1.2) and a small vertical plate (1.3); the base plate (1.1) is vertically provided with a large vertical plate (1.2) and a small vertical plate (1.3) at intervals, vibration components are fixed through the large vertical plate (1.2) and the small vertical plate (1.3), flow resistance components are respectively fixed through the small vertical plates (1.3), and the flow resistance components are supported through the upper pressing plate (2) and the supporting frame (3).
3. The integrated test device for vibration flow resistance of filter element according to claim 1, wherein: the flow resistance pipeline comprises a joint (18), a straight pipe (19), a pressure measuring nozzle (20) and a system joint (21); the flow resistance pipeline one end system joint (4) is connected with the fuel oil test system, the flow resistance pipeline one end system joint is sealed through the sealing gasket (5), the other end joint mouth (18) is connected with the simulation shell (5) of the vibration part and the joint (4), fuel oil medium enters the fuel oil filter core from one side of the test device, flows out from the other side, and the installation position of the pressure measuring mouth (20) is 10 times and 20 times of the inner diameter of the straight pipe (19).
4. The integrated test device for vibration flow resistance of filter element according to claim 1, wherein: the upper pressing plate (2) and the supporting frame (3) are connected with the bottom plate (1.1) through bolts, and the connection part is a waist-shaped connecting hole.
5. The integrated test device for vibration flow resistance of filter element according to claim 1, wherein: the vibration support (1), the upper pressing plate (2) and the support frame (3) are made of 2A12 hard aluminum materials.
6. The integrated test device for vibration flow resistance of filter element according to claim 1, wherein: the flow resistance pipeline is made of 1Cr18Ni9Ti stainless steel.
7. The integrated test device for vibration flow resistance of filter element according to claim 1, wherein: an O-shaped ring with a sealing function is arranged at the interface of the flow resistance pipeline and the vibration part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310664019.5A CN116878822A (en) | 2023-06-05 | 2023-06-05 | Filter element vibration flow resistance integrated test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310664019.5A CN116878822A (en) | 2023-06-05 | 2023-06-05 | Filter element vibration flow resistance integrated test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116878822A true CN116878822A (en) | 2023-10-13 |
Family
ID=88270565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310664019.5A Pending CN116878822A (en) | 2023-06-05 | 2023-06-05 | Filter element vibration flow resistance integrated test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116878822A (en) |
-
2023
- 2023-06-05 CN CN202310664019.5A patent/CN116878822A/en active Pending
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