CN112630531B - Inherent frequency tester for impurities in fluid medium - Google Patents
Inherent frequency tester for impurities in fluid medium Download PDFInfo
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- CN112630531B CN112630531B CN202011569842.0A CN202011569842A CN112630531B CN 112630531 B CN112630531 B CN 112630531B CN 202011569842 A CN202011569842 A CN 202011569842A CN 112630531 B CN112630531 B CN 112630531B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
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Abstract
The invention discloses a natural frequency tester facing to impurities in a fluid medium, which structurally comprises a supporting table, a box door, a display panel, a testing machine, a containing device and a vibration measuring sensor, wherein the box door is arranged on the front surface of the supporting table, the top of the supporting table is welded with the bottom of the testing machine, fluid flows downwards through a through hole by the guiding of an outer supporting plate, the vibration measuring sensor descends in a supporting outer ring, a contact piece is used for abutting against the outer side surface of the vibration measuring sensor, a sliding ball is used for abutting against and rotating with the outer side surface of the vibration measuring sensor, the lower end of the vibration measuring sensor is vertically abutted against the middle end of the inner side bottom of the containing tank, the integral testing effect of the vibration measuring sensor on the fluid is improved, a scraping ring can be ensured to be adjusted up and down through the support and the extension of a flexible hose and supporting legs, the scraping ring is used for improving the effect of downward scraping of the fluid on the outer side surface of the vibration measuring sensor, the scraped fluid flows downwards along with the lower guide groove, so that the fluid is prevented from falling to the surface of the support table along with the extension of the vibration measurement sensor.
Description
Technical Field
The invention relates to the field of rate testers, in particular to a natural frequency tester facing impurities in a fluid medium.
Background
The fluid is a flowable substance and is an object which can continuously deform under the action of any micro shearing force, the fluid is a general name of liquid and gas and has easy flowability, compressibility and viscosity, different impurity frequencies in the fluid can be detected through the natural frequency tester, so that the impurities in the fluid can be known, but in the detection process, the vibration measurement sensor on the natural frequency tester needs to extend into the fluid to be tested, the vibration measurement sensor generates resonance in the test process, the position of the vibration measurement sensor in the fluid is easy to shift, so that the vibration measurement sensor is inclined, the test effect of the inclined vibration measurement sensor on the whole fluid is reduced, and meanwhile, after the test is finished, the fluid is easy to adhere to the outer side surface of the vibration measurement sensor and falls onto a placed platform along with the extension of the vibration measurement sensor, and the cleaning agent flows on the platform and is difficult to clean.
Disclosure of Invention
The technical scheme adopted by the invention for realizing the technical purpose is as follows: the natural frequency tester for the impurities in the fluid medium structurally comprises a supporting table, a box door, a display panel, a testing machine, a containing device and a vibration measuring sensor, wherein the box door is arranged on the front surface of the supporting table, the top of the supporting table is welded with the bottom of the testing machine, the display panel is embedded in the front surface of the testing machine and electrically connected, the containing device is arranged in the middle of the upper surface of the supporting table, the vibration measuring sensor is installed at the middle end inside the testing machine and located right above the containing device, the containing device comprises a base, a containing tank, a supporting device and a scraping device, the base is fixedly installed in the middle of the upper end face of the supporting table, the containing tank is installed on the upper end face of the base, the supporting device is arranged at the upper end inside the containing tank, and the scraping device is welded at the lower end of the middle of the supporting device.
The supporting device comprises an outer supporting plate, through holes, flow guide grooves and nesting devices, wherein the outer side end of the outer supporting plate is welded with the inner wall of the upper end of the containing tank, the through holes penetrate through the inner part of the outer side end of the outer supporting plate, the flow guide grooves are embedded in the upper end face of the inner side of the outer supporting plate, the inner side end of the outer supporting plate is welded with the outer side surface of the nesting device, the lower end of the nesting device is welded with a scraping device, the outer supporting plate is of a fan-shaped structure, the upper end face of the outer supporting plate is an inclined face, and the four supporting devices are arranged on the periphery of the outer side of the nesting device respectively.
As a further improvement of the invention, the nesting device comprises a support outer ring, a top spring, a sliding block and a collision mechanism, wherein the outer side surface of the support outer ring is welded with the inner side end of the outer support plate, the top spring is arranged in the support outer ring, one end of the top spring is fixed with the sliding block, the sliding block is slidably mounted in the inner side end of the support outer ring, the sliding block is welded with the outer side end surface of the collision mechanism, the collision mechanism is positioned at the inner side of the support outer ring, the lower end of the support outer ring is welded with a scraping device, and the number of the top spring, the number of the sliding block and the number of the collision mechanism are four, and the four pushing springs, the four sliding block and the four collision mechanisms are respectively arranged at the inner side of the support outer ring.
As a further improvement of the invention, the collision mechanism comprises a collision sheet, a spongy cushion, a fixed shaft and five sliding balls, the outer end face of the collision sheet is welded with the sliding block, the spongy cushion is tightly attached to the inner end face of the collision sheet, the fixed shaft is fixedly arranged in the spongy cushion, the fixed shaft penetrates through the sliding balls in a clearance fit manner, the sliding balls are positioned in the inner end of the spongy cushion, the collision sheet and the spongy cushion are both in an arc structure, and the fixed shaft is in an arc structure and is provided with five sliding balls which are distributed on the fixed shaft in an arc shape at equal intervals.
As a further improvement of the invention, the scraping device comprises an outer frame, a removing mechanism and lower guide grooves, wherein the upper end of the outer frame is welded with the lower end of the supporting outer ring, the inner wall of the lower end of the outer frame is fixed with the lower end of the removing mechanism, the inner wall of the lower end of the outer frame is embedded with the lower guide grooves, the outer frame is in a cavity circular table structure with wide upper part and narrow lower part, and twelve lower guide grooves are arranged and distributed on the inner wall of the lower end of the outer frame.
As a further improvement of the invention, the removing mechanism comprises a flexible hose, supporting legs and a scraping ring, the lower ends of the supporting legs are fixed with the inner wall of the lower end of the outer frame, the flexible hose is arranged in the middle of the supporting legs, the upper ends of the supporting legs are fixed with the bottom of the scraping ring, the number of the flexible hoses and the number of the supporting legs are four, the flexible hoses and the supporting legs are distributed in four directions of the bottom of the scraping ring, the flexible hoses are of a fold-type structure and made of rubber materials, the flexible hoses have certain resilience, and the inner sides of the scraping ring are of a rounded corner structure.
The invention has the beneficial effects that:
1. the direction through outer fagging flows, and the fluid down flows through the thru hole, and the fluid is placed and is accomplished the back, and the sensor that shakes descends supporting the outer loop inside, supports the contact and contradicts the sensor outside surface that shakes, and the sliding ball is contradicted with the sensor outside surface that shakes and is rotated, and the sensor lower extreme that shakes and hold tank inside bottom middle-end and carry out vertical conflict, improves the holistic test effect of the sensor that shakes of fluid.
2. The vibration measurement sensor moves up inside the outer frame, the scraping ring can be adjusted up and down through the support and the extension of the telescopic hose and the support leg, the scraping ring improves the effect of scraping down the fluid on the outer side surface of the vibration measurement sensor, the scraped fluid flows down along with the lower guide groove, and the fluid is prevented from falling to the surface of the support table along with the stretching of the vibration measurement sensor.
Drawings
Fig. 1 is a schematic structural diagram of a natural frequency tester facing impurities in a fluid medium according to the present invention.
Fig. 2 is a schematic diagram of a local internal structure of a testing machine according to the present invention.
Fig. 3 is a schematic view of the internal structure of a containing device of the present invention.
Fig. 4 is a schematic top view of a supporting device according to the present invention.
Fig. 5 is a schematic top view of an internal structure of a nesting device according to the present invention.
Fig. 6 is a schematic top view of an inner structure of a collision mechanism according to the present invention.
Fig. 7 is a schematic view of the internal cross-section of a scraping device according to the present invention.
Fig. 8 is a schematic view of a partial internal structure of a removing mechanism according to the present invention.
In the figure: the device comprises a support table-1, a box door-2, a display panel-3, a testing machine-4, a containing device-5, a vibration measuring sensor-6, a base-51, a containing tank-52, a supporting device-53, a scraping device-54, an outer supporting plate-531, a through hole-532, a flow guide groove-533, a nesting device-534, a supporting outer ring-34 a, a top spring-34 b, a sliding block-34 c, a collision mechanism-34 d, a collision sheet-d 1, a sponge pad-d 2, a fixed shaft-d 3, a sliding ball-d 4, an outer frame-541, a lower guide groove-543, a telescopic hose-42 a, a supporting leg-42 b and a scraping ring-42 c.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 6:
the invention relates to a natural frequency tester facing to impurities in fluid media, which structurally comprises a supporting table 1, a box door 2, a display panel 3, a testing machine 4, a containing device 5 and a vibration measuring sensor 6, wherein the box door 2 is arranged on the front surface of the supporting table 1, the top of the supporting table 1 is welded with the bottom of the testing machine 4, the display panel 3 is embedded on the front surface of the testing machine 4 and is electrically connected, the containing device 5 is arranged in the middle of the upper surface of the supporting table 1, the vibration measuring sensor 6 is arranged at the middle end in the testing machine 4, the vibration measuring sensor 6 is positioned right above the containing device 5, the containing device 5 comprises a base 51, a containing tank 52, a supporting device 53 and a scraping device 54, the base 51 is fixedly arranged in the middle of the upper end surface of the supporting table 1, the containing tank 52 is arranged on the upper end surface of the base 51, the supporting device 53 is arranged at the upper end in the containing tank 52, the scraping device 54 is welded at the lower end of the middle part of the supporting device 53.
Wherein, the supporting device 53 comprises an outer supporting plate 531, a through hole 532, a flow guide groove 533 and an embedding device 534, the outer side end of the outer supporting plate 531 is welded with the inner wall of the upper end of the holding tank 52, a through hole 532 penetrates through the inner part of the outer side end of the outer supporting plate 531, a diversion trench 533 is embedded on the upper end surface of the inner side of the outer supporting plate 531, and the inner end of the outer plate 531 is welded to the outer surface of the nesting unit 534, the scraper unit 54 is welded to the lower end of the nesting unit 534, the outer supporting plate 531 is in a fan-shaped structure, the upper end surface of the outer supporting plate is an inclined surface, the four outer supporting plates are arranged on the periphery of the outer side of the nesting device 534 respectively, so that the fluid can be guided and discharged into the containing tank 52, the fluid is prevented from staying on the surface of the outer supporting plate 531 in the placing process, meanwhile, the fluid generates certain vibration in the testing process, and is blocked by the outer supporting plate 531, so that the fluid is prevented from being sprayed out of the interior of the containing tank 52.
Wherein, the nesting device 534 comprises a supporting outer ring 34a, a top spring 34b, a sliding block 34c and an interference mechanism 34d, the outer side surface of the supporting outer ring 34a is welded with the inner end of the outer supporting plate 531, and a top spring 34b is arranged inside the supporting outer ring 34a, one end of the top spring 34b is fixed with a slide block 34c, the sliding block 34c is installed inside the inner end of the supporting outer ring 34a in a sliding way, the sliding block 34c is welded with the outer end face of the abutting mechanism 34d, the interference mechanism 34d is located inside the supporting outer ring 34a, the scraping device 54 is welded on the lower end of the supporting outer ring 34a, four top springs 34b, four sliding blocks 34c and four abutting mechanisms 34d are arranged, which are respectively arranged at four positions on the inner side of the supporting outer ring 34a, through the elastic deformation of top spring 34b, drive conflict mechanism 34d and contradict to the sensor 6 outside surface that shakes, prevent that sensor 6 that shakes from taking place the slope skew at the in-process that tests.
Wherein, the collision mechanism 34d comprises a collision contact piece d1, a sponge cushion d2, a fixed shaft d3 and a sliding ball d4, the outer end face of the collision contact piece d1 is welded with the sliding block 34c, the inner end face of the collision contact piece d1 is tightly jointed with the sponge cushion d2, the fixed shaft d3 is fixedly arranged in the sponge cushion d2, the fixed shaft d3 penetrates through the sliding ball d4 in a clearance fit manner, the sliding ball d4 is positioned in the inner end of the sponge cushion d2, the collision contact piece d1 and the sponge cushion d2 are both arc-shaped structures, so as to be favorably jointed and collided with the outer arc surface of the vibration measuring sensor 6, the effect that the vibration measuring sensor 6 is vertically placed in the holding tank 52 is improved, the fixed shaft d3 is arc-shaped structure, and the sliding balls d4 are five and distributed on the fixed shaft d3 in an equal distance in an arc shape, so as to ensure that the sliding ball d4 rotates against the outer side of the vibration measuring sensor 6, thereby enabling the vibration measuring sensor to be more smooth in the descending process, the clamping with the abutting sheet d1 is avoided during the descending process of the vibration measuring sensor 6.
The specific use mode and function of the embodiment are as follows:
in the invention, fluid is put into the containing tank 52, the fluid flows through the guide of the outer support plate 531 in the process of putting the fluid, the fluid flows downwards through the through hole 532, and the guide groove 533 guides the fluid, so that the efficiency of the fluid entering the containing tank 52 is improved, after the fluid is put, the vibration measuring sensor 6 is descended, the vibration measuring sensor 6 descends in the supporting outer ring 34a, the sliding block 34c is driven to slide through the outer top of the top spring 34b, the contact piece d1 is abutted against the outer side surface of the vibration measuring sensor 6, the surface of the vibration measuring sensor 6 is protected through the sponge pad d2, and the sliding ball d4 on the fixed shaft d3 is abutted and rotated against the outer side surface of the vibration measuring sensor 6, so that the vibration measuring sensor 6 is smoother in the descending process, the vibration measuring sensor 6 is prevented from being clamped with the contact piece d1 in the descending process, and the vibration measuring sensor 6 extends into the scraping device 54, last vibration-measuring sensor 6 lower extreme carries out vertical conflict with holding jar 52 inboard bottom middle-end, thereby will vibration-measuring sensor 6 vertical place hold jar 52 inside middle-end, vibration-measuring sensor 6 during operation produces resonance, test the inside impurity of fluid, data show through display panel 3, the in-process of test, avoid vibration-measuring sensor 6 to take place the skew slope in the internal portion of fluid, improve vibration-measuring sensor fluid holistic test effect, and carry out spacing the blockking to the fluid of vibration through outer fagging 531, prevent that the fluid from holding jar 52 upper end opening part blowout.
Example 2:
as shown in fig. 7 to 8:
the scraping device 54 includes an outer frame 541, a removing mechanism 542, and a lower guide groove 543, the upper end of the outer frame 541 is welded to the lower end of the support outer ring 34a, the inner wall of the lower end of the outer frame 541 is fixed to the lower end of the removing mechanism 542, the inner wall of the lower end of the outer frame 541 is embedded with the lower guide groove 543, the outer frame 541 is a cavity circular table structure with a wide upper portion and a narrow lower portion, it is ensured that the vibration sensor 6 can normally descend inside the outer frame 541, meanwhile, in the process of moving up of the vibration sensor 6, fluid adhered to the outer side of the vibration sensor 6 is reduced to be brought into the inner portion of the outer frame 541, twelve lower guide grooves 543 are distributed on the inner wall of the lower end of the outer frame 541, and part of the fluid entering the lower end of the outer frame 541 is guided to flow downwards through the lower guide grooves 543 to be discharged out of the outer frame 541.
The eliminating mechanism 542 comprises a flexible hose 42a, a supporting leg 42b and a scraping ring 42c, the lower end of the supporting leg 42b is fixed to the inner wall of the lower end of the outer frame 541, the flexible hose 42a is installed in the middle of the supporting leg 42b, the upper end of the supporting leg 42b is fixed to the bottom of the scraping ring 42c, four flexible hoses 42a and four supporting legs 42b are arranged and distributed on four positions of the bottom of the scraping ring 42c, the flexible hoses 42a are of a corrugated structure and made of rubber materials and have certain resilience, the scraping ring 42c can be adjusted up and down in the process of ensuring that the vibration measurement sensor 6 moves up and down, fluid on the outer side surface of the vibration measurement sensor 6 can be better scraped, the inner side of the scraping ring 42c is of a rounded structure, the effect of scraping the fluid on the outer side surface of the vibration measurement sensor 6 is improved, and the effect of protecting the outer side surface of the vibration measurement sensor 6 is achieved, avoiding damage to the outer side surface of the vibration measurement sensor 6.
The specific use mode and function of the embodiment are as follows:
in the present invention, after the vibration sensor 6 is tested, the vibration sensor 6 is moved upward inside the outer frame 541, the fluid adhered and carried on the outer surface of the vibration sensor 6 is reduced to enter the inner part of the outer frame 541 through the narrow opening at the lower end of the outer frame 541, meanwhile, the scraping ring 42c can be adjusted up and down through the support and the extension of the flexible hose 42a and the support foot 42b, so that the fluid on the outer side surface of the vibration measuring sensor 6 can be better scraped, the scraping ring 42c improves the effect of scraping down the fluid on the outer surface of the vibration sensor 6, meanwhile, the outer side surface of the vibration measurement sensor 6 is protected, the outer side surface of the vibration measurement sensor 6 is prevented from being damaged, the scraped fluid flows downwards along the lower guide groove 543, thereby cleaning the outer side surface of the vibration measuring sensor 6 and avoiding the fluid from falling to the surface of the support table 1 along with the extension of the vibration measuring sensor 6.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
1. The utility model provides a natural frequency tester towards interior impurity of fluid medium, its structure includes brace table (1), chamber door (2), display panel (3), test machine (4), holds device (5), vibration-measuring sensor (6), brace table (1) front surface is equipped with chamber door (2) to brace table (1) top welds with test machine (4) bottom, display panel (3) inlay in test machine (4) front surface and electricity are connected, brace table (1) upper surface middle part is equipped with and holds device (5), vibration-measuring sensor (6) are installed in the inside middle-end of test machine (4) to vibration-measuring sensor (6) are located and hold device (5) directly over, its characterized in that:
the device for containing the oil comprises a containing device (5) and is characterized by comprising a base (51), a containing tank (52), a supporting device (53) and a scraping device (54), wherein the base (51) is fixedly installed in the middle of the upper end face of a supporting table (1), the containing tank (52) is installed on the upper end face of the base (51), the supporting device (53) is arranged at the upper end of the inside of the containing tank (52), and the scraping device (54) is welded at the lower end of the middle of the supporting device (53).
2. A natural frequency tester facing impurities in a fluid medium according to claim 1, wherein: the supporting device (53) comprises an outer supporting plate (531), through holes (532), a flow guide groove (533) and an embedded device (534), the outer side end of the outer supporting plate (531) is welded and holds the inner wall of the upper end of the tank (52), the through holes (532) penetrate through the inner portion of the outer side end of the outer supporting plate (531), the flow guide groove (533) is embedded in the upper end face of the inner side of the outer supporting plate (531), the inner side end of the outer supporting plate (531) is welded with the outer side surface of the embedded device (534), and a scraping device (54) is welded at the lower end of the embedded device (534).
3. A natural frequency tester for impurities in a fluid medium according to claim 2, wherein: the nesting device (534) comprises a supporting outer ring (34 a), a top spring (34 b), a sliding block (34 c) and an abutting mechanism (34 d), the outer side surface of the supporting outer ring (34 a) is welded with the inner side end of an outer supporting plate (531), the top spring (34 b) is arranged inside the supporting outer ring (34 a), one end of the top spring (34 b) is fixed with the sliding block (34 c), the sliding block (34 c) is installed inside the inner side end of the supporting outer ring (34 a) in a sliding mode, the sliding block (34 c) is welded with the outer side end face of the abutting mechanism (34 d), the abutting mechanism (34 d) is located inside the supporting outer ring (34 a), and a scraping device (54) is welded at the lower end of the supporting outer ring (34 a).
4. A natural frequency tester for impurities in a fluid medium according to claim 3, wherein: conflict mechanism (34 d) are including propping contact piece (d 1), foam-rubber cushion (d 2), fixed axle (d 3), smooth ball (d 4), it welds mutually with slider (34 c) to prop contact piece (d 1) outside terminal surface to it has foam-rubber cushion (d 2) to prop contact piece (d 1) medial surface and closely laminate, foam-rubber cushion (d 2) inside fixed mounting has fixed axle (d 3) to fixed axle (d 3) adopt clearance fit to run through inside smooth ball (d 4), smooth ball (d 4) are located inside foam-rubber cushion (d 2) medial end.
5. A natural frequency tester for impurities in a fluid medium according to claim 3, wherein: scraping device (54) include frame (541), reject mechanism (542), lower guide slot (543), frame (541) upper end welds with support outer loop (34 a) lower extreme mutually, frame (541) lower extreme inner wall is fixed mutually with rejecting mechanism (542) lower extreme to frame (541) lower extreme inner wall has inlayed lower guide slot (543).
6. A natural frequency tester for impurities in a fluid medium according to claim 5, wherein: the removing mechanism (542) comprises a telescopic hose (42 a), a supporting leg (42 b) and a scraping ring (42 c), the lower end of the supporting leg (42 b) is fixed to the inner wall of the lower end of the outer frame (541), the telescopic hose (42 a) is installed in the middle of the supporting leg (42 b), and the upper end of the supporting leg (42 b) is fixed to the bottom of the scraping ring (42 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569842.0A CN112630531B (en) | 2020-12-26 | 2020-12-26 | Inherent frequency tester for impurities in fluid medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569842.0A CN112630531B (en) | 2020-12-26 | 2020-12-26 | Inherent frequency tester for impurities in fluid medium |
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| Publication Number | Publication Date |
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| CN112630531A CN112630531A (en) | 2021-04-09 |
| CN112630531B true CN112630531B (en) | 2022-03-22 |
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| CN202011569842.0A Active CN112630531B (en) | 2020-12-26 | 2020-12-26 | Inherent frequency tester for impurities in fluid medium |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392935A (en) * | 2000-09-29 | 2003-01-22 | 通用电气公司 | Apparatus and methods for determining natural frequencies of brush seals |
| CN1554023A (en) * | 2001-08-09 | 2004-12-08 | �����ѧ��ҵ�о���֯ | Method and apparatus for detecting impurities in fluids |
| CN108593230A (en) * | 2018-03-27 | 2018-09-28 | 西北工业大学 | A kind of Natural Frequency of Blade Auto-Test System |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4805934B2 (en) * | 2005-08-17 | 2011-11-02 | 株式会社ジーデバイス | Small tilt / vibration sensor and its manufacturing method |
| US20080011091A1 (en) * | 2006-06-27 | 2008-01-17 | Abnaki Systems, Inc. | Method for measuring loading and temperature in structures and materials by measuring changes in natural frequencies |
-
2020
- 2020-12-26 CN CN202011569842.0A patent/CN112630531B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392935A (en) * | 2000-09-29 | 2003-01-22 | 通用电气公司 | Apparatus and methods for determining natural frequencies of brush seals |
| CN1554023A (en) * | 2001-08-09 | 2004-12-08 | �����ѧ��ҵ�о���֯ | Method and apparatus for detecting impurities in fluids |
| CN108593230A (en) * | 2018-03-27 | 2018-09-28 | 西北工业大学 | A kind of Natural Frequency of Blade Auto-Test System |
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Denomination of invention: A Natural Frequency Tester for Impurities in Fluid Media Effective date of registration: 20230515 Granted publication date: 20220322 Pledgee: Bank of China Limited Foshan Nanhai Xiqiao Sub-branch Pledgor: Round corner technology development (Foshan) Co.,Ltd. Registration number: Y2023980040615 |