CN112284666B - Fuel filter vibration test tool and fuel filter vibration test method - Google Patents
Fuel filter vibration test tool and fuel filter vibration test method Download PDFInfo
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- CN112284666B CN112284666B CN202011090260.4A CN202011090260A CN112284666B CN 112284666 B CN112284666 B CN 112284666B CN 202011090260 A CN202011090260 A CN 202011090260A CN 112284666 B CN112284666 B CN 112284666B
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- fuel filter
- oil
- vibration
- vibration test
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to the technical field of fuel filter vibration tests, and discloses a fuel filter vibration test tool and a fuel filter vibration test method. The fuel filter vibration test tool comprises a mounting seat, a mounting joint, an oil tank, an oil inlet pipe and an oil outlet pipe, wherein the mounting seat is connected with a vibration test device, and an oil inlet channel and an oil outlet channel are arranged on the mounting seat; the mounting joint comprises a mounting end connected with the mounting seat and a connecting end connected with the fuel filter, and is provided with an oil hole which can be communicated with an oil inlet and an oil inlet channel of the fuel filter and an oil outlet channel of the fuel filter; an oil inlet pipe is arranged between the oil tank and the oil inlet channel, an oil pump is arranged on the oil inlet pipe to supply fuel to the fuel filter, an oil outlet pipe is arranged between the oil outlet channel and the oil tank, and a pressure detector is arranged on the oil outlet pipe to detect the pressure in the fuel filter. The invention can carry out vibration test on the fuel filter without the base, and the test result is more accurate.
Description
Technical Field
The invention relates to the technical field of fuel filter vibration tests, in particular to a fuel filter vibration test tool and a fuel filter vibration test method.
Background
The performance of the fuel filter in different use environments has a great influence, especially in the use scene of vibration, so that a vibration test is usually carried out on the fuel filter to detect the use performance of the fuel filter, especially to detect the pressure of the fuel filter in the vibration environment.
In the prior art, due to different types and different installation modes of the fuel filters, the detected resonant frequencies of the fuel filters have larger differences.
Therefore, a vibration test tool for a fuel filter is needed to solve the above problems.
Disclosure of Invention
Based on the above, the invention aims to provide a fuel filter vibration test tool and a fuel filter vibration test method, which can keep the test state of a fuel filter consistent and ensure more accurate detection results.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a fuel filter vibration test tooling, comprising:
the mounting seat is connected with the vibration test device and is provided with an oil inlet channel and an oil outlet channel;
the mounting connector comprises a mounting end connected with the mounting seat and a connecting end connected with the fuel filter, and is provided with an oil hole which can be communicated with an oil inlet of the fuel filter and the oil inlet channel and an oil outlet of the fuel filter and the oil outlet channel;
the fuel tank, the fuel tank with be provided with the oil feed pipe between the oil feed passageway, be provided with the oil pump on the oil feed pipe, in order to for the fuel filter supplies with the fuel, go out the oil passageway with be provided with out the oil pipe between the fuel tank, be provided with pressure detector on the oil pipe, in order to detect pressure in the fuel filter.
As an optimal scheme of the fuel filter vibration test tool, the mounting seat is detachably connected with the vibration test device and/or the mounting joint is detachably connected with the mounting seat.
As an optimal scheme of the fuel filter vibration test tool, the connecting end is convexly arranged at the mounting end, and the connecting end is provided with external threads so as to be in threaded connection with the fuel filter.
As a preferable scheme of the fuel filter vibration test tool, the mounting torque of the fuel filter and the mounting joint is 15Nm-19Nm.
As an optimal scheme of the fuel filter vibration test tool, the mounting seat is provided with a sinking table, and the mounting end is connected with the sinking table.
As a preferable scheme of the fuel filter vibration test tool, a first one-way valve is arranged between the oil pump and the oil inlet channel so as to conduct the oil tank and the oil inlet channel in one way; and one end of the pressure detector, which is far away from the oil outlet channel, is provided with a second one-way valve so as to conduct the oil outlet channel and the oil tank in one way.
As an optimal scheme of fuel filter vibration test frock, vibration test device is provided with the vibration platform, vibration platform can follow the reciprocal vibration of horizontal first direction, just vibration platform can follow with first direction vertically direction upset first default angle.
The fuel filter vibration test method adopts the fuel filter vibration test tool according to any one of the schemes, and comprises the following steps:
opening the first check valve, the second check valve and the oil pump, pumping oil into the fuel filter until no bubbles overflow in the oil outlet pipe;
closing the second one-way valve until the pressure of the pressure detector reaches a preset pressure, and closing the first one-way valve;
the vibration table is opened, and the pressure value of the pressure detector is observed under vibration along the horizontal first direction.
As a preferred embodiment of the fuel filter vibration test method, the steps further include: closing the vibration platform, rotating the mounting seat by a second preset angle, then opening the vibration platform, and observing the pressure value of the pressure detector in the horizontal direction along the vibration of the second preset angle with the first direction.
As a preferred embodiment of the fuel filter vibration test method, the steps further include: closing the vibration platform, turning the vibration platform over a first preset angle along the direction perpendicular to the first direction, then opening the vibration platform, and observing the pressure value of the pressure detector under the vibration of the first preset angle along the first direction in the vertical direction.
The beneficial effects of the invention are as follows: through setting up mount pad and erection joint, realize the connection of fuel filter and vibration test device, especially to the fuel filter that does not take the base, the installation is more firm, is favorable to guaranteeing the installation pretightning force between fuel filter and the vibration test device simultaneously, makes the test result have accuracy more; in addition, in order to supply oil to the fuel filter, an oil inlet channel, an oil outlet channel, an oil inlet pipe communicated with the oil inlet channel, an oil pump, and a pressure detector of the oil outlet pipe communicated with the oil outlet channel are arranged on the mounting seat and are used for supplying oil and detecting pressure to the fuel filter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of a fuel filter vibration test fixture provided in an embodiment of the present invention;
FIG. 2 is a schematic illustration of a mounting joint provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a mounting base according to an embodiment of the present invention;
FIG. 4 is a top view of a mount provided in an embodiment of the present invention;
fig. 5 is a schematic diagram of a vibration test tool and a vibration test device for a fuel filter according to an embodiment of the present invention.
In the figure:
100. a vibration test device; 101. a vibration platform; 200. a fuel filter;
1. a mounting base; 11. an oil inlet passage; 12. an oil outlet channel; 13. a sinking platform; 14. a first mounting hole;
2. installing a joint; 21. a mounting end; 22. a connection end; 23. an oil hole; 24. a second mounting hole;
3. an oil tank;
4. an oil inlet pipe; 41. an oil pump; 42. a first one-way valve;
5. an oil outlet pipe; 51. a pressure detector; 52. and a second one-way valve.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1 to 5, the present embodiment provides a fuel filter vibration test tool for a fuel filter vibration test method, the fuel filter vibration test tool includes a mounting seat 1, a mounting joint 2, an oil tank 3, an oil inlet pipe 4 and an oil outlet pipe 5, wherein the mounting seat 1 is connected with a vibration test device 100, and an oil inlet channel 11 and an oil outlet channel 12 are provided on the mounting seat 1; the mounting joint 2 comprises a mounting end 21 connected with the mounting seat 1 and a connecting end 22 connected with the fuel filter 200, an oil hole 23 is formed in the mounting joint 2, and the oil hole 23 can be communicated with an oil inlet of the fuel filter 200 and the oil inlet channel 11 and an oil outlet of the fuel filter 200 and the oil outlet channel 12; an oil inlet pipe 4 is arranged between the oil tank 3 and the oil inlet channel 11, an oil pump 41 is arranged on the oil inlet pipe 4 to supply fuel to the fuel filter 200, an oil outlet pipe 5 is arranged between the oil outlet channel 12 and the oil tank 3, and a pressure detector 51 is arranged on the oil outlet pipe 5 to detect the pressure in the fuel filter 200.
Through setting up mount pad 1 and erection joint 2, realize the connection of fuel filter 200 and vibration test device 100, especially to the fuel filter 200 without the base, it is more firm to install, help guaranteeing the installation pretightning force between fuel filter 200 and vibration test device 100 at the same time, make the test result have more accuracy; in addition, in order to supply oil to the fuel filter 200, the mounting base 1 is provided with an oil inlet passage 11 and an oil outlet passage 12, and an oil inlet pipe 4 and an oil pump 41 which are communicated with the oil inlet passage 11, and a pressure detector 51 of the oil outlet pipe 5 which is communicated with the oil outlet passage 12, for supplying oil to the fuel filter 200 and detecting pressure.
Specifically, as shown in fig. 2, the connecting end 22 is convexly arranged at the mounting end 21, so that interference between the fuel filter 200 and the mounting joint 2 and between the fuel filter and the mounting seat 1 can be effectively avoided; to achieve connection between the connection end 22 and the fuel filter 200, the connection end 22 is provided with external threads, and the connection end 22 is screwed to the fuel filter 200 so that the screwed connection is detachable. It should be noted that, the installation joint 2 may be provided with a plurality of installation joints so as to facilitate the testing of different fuel filters 200 by the fuel filter vibration test tool, and improve the universality of the fuel filter vibration test tool. Meanwhile, the pretightening force of the threaded connection is adjustable, and the pretightening force of the fuel filter 200 can be adjusted according to test requirements, so that more accurate test results can be obtained.
In order to reduce the influence of the pre-tightening force of the fuel filter 200 and the mounting joint 2 on the test result in the vibration environment, the mounting torque of the fuel filter 200 and the mounting joint 2 is 15Nm-19Nm. The installation torque may be obtained by experiment, and illustratively, a plurality of persons may be used to pretension a plurality of samples of the fuel filter 200 in the same batch, so as to obtain a preferred pretension, so that the resonance frequency of the fuel filter 200 is more stable in the vibration test process.
Further, as shown in fig. 3 and 4, the mount 1 is provided with the sinking table 13, and the mounting end 21 is connected with the sinking table 13, so that the interference between the fuel filter 200 and the mount 1 is effectively avoided, and the rollback between the mounting joint 2 and the mount 1 in the vibration test process can be avoided, so that the reliability of the connection between the mounting joint 2 and the mount 1 is ensured.
In this embodiment, a first quick connector and a second quick connector are disposed on the mounting base 1, and the first quick connector and the second quick connector are in threaded connection with the mounting base 1. The first quick connector can be communicated with the oil inlet pipe 4 and the oil inlet channel 11, and the second quick connector can be communicated with the oil outlet channel 12 and the oil outlet pipe 5, so that connection is reliable and convenient.
Preferably, the oil inlet passage 11 is disposed perpendicular to the oil outlet passage 12 to facilitate oil return of the fuel filter 200 during testing.
Optionally, as shown in fig. 1, a first check valve 42 is disposed between the oil pump 41 and the oil inlet channel 11 to conduct the oil tank 3 and the oil inlet channel 11 in a unidirectional manner, so as to prevent the fuel in the fuel filter 200 from entering the oil tank 3 through the oil inlet pipe 4; the end of the pressure detector 51, which is far from the oil outlet channel 12, is provided with a second check valve 52 to unidirectionally conduct the oil outlet channel 12 and the oil tank 3, so as to prevent fuel from entering the fuel filter 200 through the oil outlet pipe 5.
Specifically, as shown in fig. 5, the vibration testing apparatus 100 is provided with a vibration platform 101, the vibration platform 101 can vibrate reciprocally along a first horizontal direction to provide a horizontal vibration environment for the fuel filter 200, and the vibration platform 101 can overturn a first preset angle along a direction perpendicular to the first direction to provide a vertical vibration environment for the fuel filter 200, so that a vibration test can be performed on the fuel filter 200 more comprehensively. Illustratively, the second preset angle is 90 °, i.e. the shake table 101 can be rotated to a vertical setting.
Further, in order to enable the vibration device to perform vibration tests on the fuel filter 200 in two horizontal directions, the mounting base 1 of the fuel filter vibration test tool is detachably connected with the vibration test device 100 and/or the mounting joint 2 is detachably connected with the mounting base 1, so that the fuel filter 200 can be rotated by a second preset angle relative to the vibration platform 101. The second preset angle is, for example, 90 °.
Alternatively, as shown in fig. 2 to 4, the mounting base 1 is provided with a first mounting hole 14, a connecting bolt can pass through the first mounting hole 14 to be connected with the vibration test apparatus 100, the mounting joint 2 is provided with a second mounting hole 24, and a screw bolt can pass through the second mounting hole 24 to be connected with the mounting base 1. In this embodiment, four second mounting holes 24 are provided on the mounting joint 2, and the four second mounting holes 24 are provided at equal intervals along the circumferential direction of the connection end 22, so that when the fuel filter 200 needs to be rotated relative to the vibration platform 101, the connection bolts in the four second connection holes can be detached, the mounting joint 2 and the fuel filter 200 are rotated together by 90 °, and then the mounting joint 2, the fuel filter 200 and the mounting seat 1 are connected by the four connection bolts.
The embodiment also discloses a fuel filter vibration test method, which adopts the fuel filter vibration test tool and comprises the following steps:
opening the first check valve 42, the second check valve 52 and the oil pump 41 to pump oil into the fuel filter 200 so as to discharge air in the fuel filter 200 until no bubbles overflow in the oil outlet pipe 5, and proving that the air in the fuel filter 200 is exhausted, wherein the fuel filter 200 can work normally;
closing the second check valve 52 to increase the pressure in the fuel filter 200 until the pressure of the pressure detector 51 reaches a preset pressure, and closing the first check valve 42 to facilitate the subsequent observation of the pressure maintaining effect of the fuel filter 200;
to simulate the environment in which fuel filter 200 is used, vibration table 101 is opened and the pressure value of pressure detector 51 is observed under vibration in the first horizontal direction. When the pressure value of the pressure detector 51 on the oil outlet pipe 5 is not significantly reduced, it is proved that the pressure maintaining performance of the fuel filter 200 in the vibration environment is good, and when the pressure of the pressure detector 51 is significantly reduced, it is necessary to inspect the fuel filter 200 and analyze the cause of the pressure reduction. Specifically, the pressure detector 51 is a pressure gauge, and the installation and use method of the pressure gauge are related art, which are not described herein.
Further, to more fully test the performance of the fuel filter 200, the horizontal vibration in multiple directions may be tested, and after detecting the vibration in one direction, the steps may further include: closing the vibration platform 101, rotating the mounting seat 1 by a second preset angle, then opening the vibration platform 101, and observing the pressure value of the pressure detector 51 in the horizontal direction along the vibration of the second preset angle with the first direction.
Preferably, after the detection of the horizontal vibration is completed, the detection can be performed with respect to another direction forming an included angle with the horizontal in the vertical direction, and the steps include: closing the vibration platform 101, turning the vibration platform 101 by a first preset angle along the direction perpendicular to the first direction, then opening the vibration platform 101, and observing the pressure value of the pressure detector 51 under the vibration of the first preset angle along the first direction in the vertical direction.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Claims (9)
1. The utility model provides a fuel filter vibration test frock which characterized in that includes:
the vibration test device comprises a mounting seat (1) and a vibration test device (100), wherein an oil inlet channel (11) and an oil outlet channel (12) are arranged on the mounting seat (1); the mounting seat (1) is detachably connected with the vibration test device (100); the vibration test device (100) is provided with a vibration platform (101), the vibration platform (101) can vibrate in a reciprocating manner along a first horizontal direction, and the vibration platform (101) can overturn by a first preset angle along a direction perpendicular to the first direction;
the mounting joint (2) is used for connecting the fuel filter (200) without the base, the mounting joint (2) comprises a mounting end (21) connected with the mounting seat (1) and a connecting end (22) connected with the fuel filter (200), an oil hole (23) is formed in the mounting joint (2), and the oil hole (23) can be used for communicating an oil inlet of the fuel filter (200) with the oil inlet channel (11) and an oil outlet of the fuel filter (200) with the oil outlet channel (12);
the fuel filter comprises a fuel tank (3), wherein an oil inlet pipe (4) is arranged between the fuel tank (3) and an oil inlet channel (11), an oil pump (41) is arranged on the oil inlet pipe (4) to supply fuel to a fuel filter (200), an oil outlet pipe (5) is arranged between an oil outlet channel (12) and the fuel tank (3), and a pressure detector (51) is arranged on the oil outlet pipe (5) to detect the pressure in the fuel filter (200).
2. The fuel filter vibration test fixture according to claim 1, characterized in that the mounting joint (2) is detachably connected with the mounting seat (1).
3. The fuel filter vibration test fixture according to claim 1, wherein the connecting end (22) is convexly arranged at the mounting end (21), and the connecting end (22) is provided with external threads so as to be in threaded connection with the fuel filter (200).
4. A fuel filter vibration testing tool according to claim 3, characterized in that the mounting torque of the fuel filter (200) and the mounting joint (2) is 15Nm-19Nm.
5. The fuel filter vibration test tool according to claim 1, wherein a sinking table (13) is arranged on the mounting seat (1), and the mounting end (21) is connected with the sinking table (13).
6. The fuel filter vibration test fixture according to claim 1, characterized in that a first one-way valve (42) is arranged between the oil pump (41) and the oil inlet channel (11) to conduct the oil tank (3) and the oil inlet channel (11) in one way; and a second one-way valve (52) is arranged at one end of the pressure detector (51) far away from the oil outlet channel (12) so as to conduct the oil outlet channel (12) and the oil tank (3) in one way.
7. A fuel filter vibration test method, characterized in that the fuel filter vibration test tool according to any one of claims 1 to 6 is used, comprising the steps of:
opening a first one-way valve (42), a second one-way valve (52) and an oil pump (41), pumping oil into a fuel filter (200) until no bubbles overflow in an oil outlet pipe (5);
closing the second one-way valve (52) until the pressure of the pressure detector (51) reaches a preset pressure, and closing the first one-way valve (42);
the vibration table (101) is opened, and the pressure value of the pressure detector (51) is observed under vibration in a first horizontal direction.
8. The fuel filter vibration testing method according to claim 7, wherein the steps further comprise: closing the vibration platform (101), rotating the mounting seat (1) by a second preset angle, then opening the vibration platform (101), and observing the pressure value of the pressure detector (51) in the horizontal direction along the vibration of the second preset angle with the first direction.
9. The fuel filter vibration testing method according to claim 7, wherein the steps further comprise: closing the vibration platform (101), turning over the vibration platform (101) for a first preset angle along the direction perpendicular to the first direction, then starting the vibration platform (101), and observing the pressure value of the pressure detector (51) under the vibration of the first preset angle along the first direction in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090260.4A CN112284666B (en) | 2020-10-13 | 2020-10-13 | Fuel filter vibration test tool and fuel filter vibration test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090260.4A CN112284666B (en) | 2020-10-13 | 2020-10-13 | Fuel filter vibration test tool and fuel filter vibration test method |
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| Publication Number | Publication Date |
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| CN112284666A CN112284666A (en) | 2021-01-29 |
| CN112284666B true CN112284666B (en) | 2023-09-12 |
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| CN202011090260.4A Active CN112284666B (en) | 2020-10-13 | 2020-10-13 | Fuel filter vibration test tool and fuel filter vibration test method |
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| CN112284666A (en) | 2021-01-29 |
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