CN112284666A - 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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- CN112284666A CN112284666A CN202011090260.4A CN202011090260A CN112284666A CN 112284666 A CN112284666 A CN 112284666A CN 202011090260 A CN202011090260 A CN 202011090260A CN 112284666 A CN112284666 A CN 112284666A
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- fuel filter
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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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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, a fuel 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 an oil hole is formed in the mounting joint and can be used for communicating 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 oil 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 vibration test method can be used for carrying 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 large influence, especially in a vibration use scene, so a vibration test is usually performed 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, the fuel filter has different types and different installation modes, so that the detected resonance frequency of the fuel filter has larger difference.
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 states of a fuel filter consistent and enable the detection result to be more accurate.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a fuel filter vibration test frock, includes:
the mounting seat is connected with the 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 an oil hole is formed in the mounting joint and can communicate an oil inlet of the fuel filter with the oil inlet channel and an oil outlet of the fuel filter with the oil outlet channel;
the oil tank, the oil tank with be provided with into oil pipe between the oil feed passageway, it is provided with the oil pump on the oil pipe to advance, with to fuel filter supplies with the fuel, the passageway that produces oil with be provided with out oil pipe between the oil tank, be provided with pressure detector on going out oil pipe, in order to detect pressure in the fuel filter.
As a preferred 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 connected with the fuel filter threads.
As a preferred scheme of the fuel filter vibration test tool, the mounting torque of the fuel filter and the mounting joint is 15Nm-19 Nm.
As an optimal scheme of the fuel filter vibration test tool, a sinking platform is arranged on the mounting seat, and the mounting end is connected with the sinking platform.
As a preferred scheme of the fuel filter vibration test tool, a first one-way valve is arranged between the oil pump and the oil inlet channel to conduct the oil tank and the oil inlet channel in a one-way mode; 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 a one-way mode.
As an optimal scheme of fuel filter vibration test frock, the vibration test device is provided with vibration platform, vibration platform can follow the reciprocating vibration of horizontally first direction, just vibration platform can follow with the first angle of predetermineeing of first direction vertically direction upset.
A fuel filter vibration test method adopts the fuel filter vibration test tool of any scheme, and comprises the following steps:
opening the first one-way valve, the second one-way valve and the oil pump, and pumping oil into the fuel filter until no bubbles overflow from 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 platform is started and the pressure value of the pressure detector is observed under the vibration along the horizontal first direction.
As a preferable scheme of the vibration test method of the fuel filter, the method further comprises the following steps: 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 first direction under the vibration of the second preset angle.
As a preferable scheme of the vibration test method of the fuel filter, the method further comprises the following steps: closing the vibration platform, turning the vibration platform along a direction vertical to the first direction by a first preset angle, and then opening the vibration platform, and observing the pressure value of the pressure detector in the vertical direction along the vibration of the first preset angle with the first direction.
The invention has the beneficial effects that: the connection between the fuel filter and the vibration test device is realized by arranging the mounting seat and the mounting joint, and particularly, the mounting is firmer for the fuel filter without a base, and meanwhile, the mounting pretightening force between the fuel filter and the vibration test device is favorably ensured, so that the test result is more accurate; in addition, in order to supply oil to the fuel filter, an oil inlet channel and an oil outlet channel are arranged on the mounting seat, an oil inlet pipe and an oil pump which are communicated with the oil inlet channel, and a pressure detector of the oil outlet pipe which is communicated with the oil outlet channel is used for supplying oil to the fuel filter and detecting the pressure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic diagram of a fuel filter vibration test tool according to an embodiment of the invention;
FIG. 2 is a schematic view of a field joint provided by an embodiment of the present invention;
FIG. 3 is a schematic view of a mount provided by an embodiment of the present invention;
FIG. 4 is a top view of a mount provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a vibration test tool and a vibration test device of a fuel filter according to an embodiment of the present invention.
In the figure:
100. a vibration testing device; 101. a vibration platform; 200. a fuel filter;
1. a mounting seat; 11. an oil inlet channel; 12. an oil outlet channel; 13. sinking a platform; 14. a first mounting hole;
2. installing a connector; 21. an installation end; 22. a connecting 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 check valve;
5. an oil outlet pipe; 51. a pressure detector; 52. a second one-way valve.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, 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 a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present 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, where the fuel filter vibration test tool includes a mounting base 1, a mounting joint 2, a fuel tank 3, an oil inlet pipe 4, and an oil outlet pipe 5, where the mounting base 1 is connected to a vibration test apparatus 100, and the mounting base 1 is provided with an oil inlet channel 11 and an oil outlet channel 12; the mounting joint 2 comprises a mounting end 21 connected with the mounting base 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 communicate 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; 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 oil to the fuel oil 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 oil filter 200.
The connection between the fuel filter 200 and the vibration test device 100 is realized by arranging the mounting seat 1 and the mounting joint 2, particularly, the fuel filter 200 without a base is more firmly mounted, and meanwhile, the mounting pretightening force between the fuel filter 200 and the vibration test device 100 is favorably ensured, so that the test result has 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, 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 an oil outlet pipe 5 which is communicated with the oil outlet passage 12, and is used for supplying oil to and detecting pressure of the fuel filter 200.
Specifically, as shown in fig. 2, the connection end 22 is convexly disposed on the mounting end 21, so as to effectively prevent the fuel filter 200 from interfering with the mounting joint 2 and the mounting base 1; in order to realize the 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 connected with the threads of the fuel filter 200 in a detachable mode. It should be noted that a plurality of installation joints 2 may be provided, so that the fuel filter vibration test tool can test different fuel filters 200, and the universality of the fuel filter vibration test tool is improved. 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 a more accurate test result can be obtained.
In order to reduce the influence of the pretightening 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-19 Nm. The installation torque can be obtained experimentally, and for example, multiple persons can be used to pre-tighten multiple samples of the fuel filter 200 in the same batch to obtain a preferable pre-tightening force, so that the resonance frequency of the fuel filter 200 during the vibration test is more stable.
Further, as shown in fig. 3 and 4, the mounting base 1 is provided with a sinking platform 13, and the mounting end 21 is connected with the sinking platform 13, so that interference between the fuel filter 200 and the mounting base 1 is effectively avoided, and meanwhile, rollback between the installation connector 2 and the mounting base 1 in the vibration test process can be avoided, and the reliability of connection between the installation connector 2 and the mounting base 1 is ensured.
In this embodiment, the mounting base 1 is provided with a first quick connector and a second quick connector, and the first quick connector and the second quick connector are in threaded connection with the mounting base 1. The first quick-plug connector can be communicated with the oil inlet pipe 4 and the oil inlet channel 11, and the second quick-plug connector can be communicated with the oil outlet channel 12 and the oil outlet pipe 5, so that the connection is reliable and convenient.
Preferably, the oil inlet passage 11 and the oil outlet passage 12 are arranged vertically, so that oil return of the fuel filter 200 in the test process is facilitated.
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 single direction, so as to prevent the fuel in the fuel filter 200 from entering the oil tank 3 through the oil inlet pipe 4; the pressure detector 51 is provided with a second check valve 52 at an end thereof away from the oil outlet passage 12 for one-way communication between the oil outlet passage 12 and the fuel tank 3, thereby preventing the fuel from entering the fuel filter 200 through the oil outlet pipe 5.
Specifically, as shown in fig. 5, the vibration test apparatus 100 is provided with the vibration platform 101, and the vibration platform 101 can be along the reciprocating vibration of horizontally first direction, for fuel filter 200 provides horizontal vibration environment, and the vibration platform 101 can be along the first predetermined angle of the direction upset perpendicular to first direction, for fuel filter 200 provides vertical vibration environment, and then can carry out the vibration test to fuel filter 200 more comprehensively. Illustratively, the second predetermined angle is 90 °, i.e., the vibration table 101 can be rotated to a vertical disposition.
Further, in order to enable the vibration device to perform vibration tests on the fuel filter 200 in two horizontal directions, the mounting seat 1 of the fuel filter vibration test tool and the vibration test device 100 and/or the mounting joint 2 and the mounting seat 1 are detachably connected, so that the fuel filter 200 can be rotated by a second preset angle relative to the vibration platform 101. Illustratively, the second preset angle is 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 testing apparatus 100, the mounting joint 2 is provided with a second mounting hole 24, and a bolt can pass through the second mounting hole 24 to be connected with the mounting base 1. In this embodiment, be provided with four second mounting holes 24 on attach fitting 2, and four second mounting holes 24 set up along the circumference of link 22 at equal intervals, when needs rotate fuel filter 200 for vibration platform 101, can dismantle the connecting bolt in four second connecting holes to with attach fitting 2 and fuel filter 200 together rotatory 90, then with attach fitting 2, fuel filter 200 and mount pad 1 through four connecting bolt connections can.
This embodiment still discloses a fuel filter vibration test method, adopts above fuel filter vibration test frock, and the step includes:
opening the first check valve 42, the second check valve 52 and the oil pump 41, pumping oil into the fuel filter 200 to discharge air in the fuel filter 200 until no air bubbles overflow from the oil outlet pipe 5, which proves that the air in the fuel filter 200 is completely discharged, and the fuel filter 200 can normally work;
closing the second one-way 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 one-way valve 42 to facilitate subsequent observation of the pressure maintaining effect of the fuel filter 200;
to simulate the use environment of the fuel filter 200, the vibration table 101 is opened and the pressure value of the pressure detector 51 is observed under vibration in a horizontal first direction. If the pressure value of the pressure detector 51 on the oil outlet pipe 5 does not drop significantly, it is verified that the fuel filter 200 has good pressure holding performance in a vibration environment, and if the pressure drop of the pressure detector 51 is significant, it is necessary to inspect the fuel filter 200 and analyze the cause of the pressure drop. Specifically, the pressure detector 51 is a pressure gauge, and the installation and use method of the pressure gauge is prior art and will not be described herein.
Further, in order to test the performance of the fuel filter 200 more completely, the vibration in multiple horizontal directions may be tested, and after the vibration in one direction is detected, the steps may further include: closing the vibration platform 101, rotating the mounting base 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 at the second preset angle with the first direction.
Preferably, after the horizontal vibration detection is completed, the detection can be performed for another direction which forms an included angle with the horizontal direction in the vertical direction, and the steps include: closing the vibration platform 101, turning over 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 in the vertical direction along the vibration of the first preset angle with the first direction.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. 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, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a fuel filter vibration test frock which characterized in that includes:
the mounting seat (1) is connected with the vibration test device (100), and an oil inlet channel (11) and an oil outlet channel (12) are arranged on the mounting seat (1);
the mounting joint (2) comprises a mounting end (21) connected with the mounting base (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 communicate 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);
oil tank (3), oil tank (3) with be provided with into oil pipe (4) between oil feed passageway (11), be provided with oil pump (41) on advancing oil pipe (4), with to fuel filter (200) supplies with the fuel, produce oil passageway (12) with be provided with out oil pipe (5) between oil tank (3), be provided with pressure detector (51) on going out oil pipe (5), with the detection fire the pressure in the oil filter (200).
2. The fuel filter vibration test tool according to claim 1, wherein the mounting seat (1) is detachably connected with the vibration test device (100) and/or the mounting joint (2) is detachably connected with the mounting seat (1).
3. The fuel filter vibration test tool 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 to be in threaded connection with the fuel filter (200).
4. The fuel filter vibration test tool of claim 3, wherein the mounting torque of the fuel filter (200) and the mounting adapter (2) is 15Nm-19 Nm.
5. The fuel filter vibration test tool according to claim 1, wherein a sinking platform (13) is arranged on the mounting seat (1), and the mounting end (21) is connected with the sinking platform (13).
6. The fuel filter vibration test tool according to claim 1, wherein a first check 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 a one-way manner; one end, far away from the oil outlet channel (12), of the pressure detector (51) is provided with a second one-way valve (52) so as to conduct the oil outlet channel (12) and the oil tank (3) in a one-way mode.
7. The fuel filter vibration test tool according to claim 1, wherein the vibration test device (100) is provided with a vibration platform (101), the vibration platform (101) can vibrate in a horizontal first direction in a reciprocating manner, and the vibration platform (101) can be turned by a first preset angle in a direction perpendicular to the first direction.
8. A fuel filter vibration test method is characterized in that the fuel filter vibration test tool according to any one of claims 1 to 7 is adopted, and the method 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) until no bubbles overflow from the 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 turned on and the pressure value of the pressure detector (51) is observed under vibration in a horizontal first direction.
9. The fuel filter vibration test method of claim 8 further comprising the steps of: close shaking platform (101), open again after rotatory second preset angle of mount pad (1) shaking platform (101), in the horizontal direction along with the first direction is the pressure value of observing pressure detector (51) under the vibration of second preset angle.
10. The fuel filter vibration test method of claim 8 further comprising the steps of: closing the vibration platform (101), turning on the vibration platform (101) after the first preset angle is turned over along the direction vertical to the first direction, 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.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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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| CN112284666A true CN112284666A (en) | 2021-01-29 |
| CN112284666B CN112284666B (en) | 2023-09-12 |
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| CN112284666B (en) | 2023-09-12 |
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