CN114768625B - Oscillating device capable of adjusting amplitude frequency - Google Patents
Oscillating device capable of adjusting amplitude frequency Download PDFInfo
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- CN114768625B CN114768625B CN202210503865.4A CN202210503865A CN114768625B CN 114768625 B CN114768625 B CN 114768625B CN 202210503865 A CN202210503865 A CN 202210503865A CN 114768625 B CN114768625 B CN 114768625B
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- oscillating device
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/16—Vibrating; Shaking; Tilting
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
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Abstract
The application relates to the technical field of oscillation experimental equipment, in particular to an oscillation device capable of adjusting amplitude frequency; the method is convenient for adjusting the oscillation frequency and the amplitude, has strong applicability, and can meet the requirements of multi-frequency multi-amplitude experiments; including frame, eccentric main shaft subassembly, frequency modulation subassembly, connecting plate and carriage, but the carriage side-to-side sliding installs on the frame, but the connecting plate fore-and-aft sliding installs on the carriage, but the frequency modulation subassembly is including the installation prop, first cone pulley, second cone pulley, the drive wheel, the actuating lever, the threaded rod, first sliding seat, second sliding seat and spring, the installation prop fixed mounting is on the frame, the actuating lever slidable sets up on the installation prop, the drive wheel rotatable installs in the top of actuating lever, first sliding seat fixed mounting is in the bottom of actuating lever, the one end and the first sliding seat fixed connection of spring, the other end and the installation prop fixed connection of spring, but second sliding seat slidable mounting is on the frame.
Description
Technical Field
The application relates to the technical field of oscillation experimental equipment, in particular to an oscillation device capable of adjusting amplitude frequency.
Background
It is well known that in bacterial culture, fermentation, hybridization and biochemical reactions, and in fields of enzyme, cell tissue culture research, medicine, biology, molecular, pharmaceutical, food, environmental, etc., the test sample is subjected to shaking treatment; publication (bulletin) No. CN211847901U discloses a three-axis driving rotary reciprocating dual-energy swinging mechanism which has rotary swinging and reciprocating swinging functions at the same time, thereby saving cost, reducing occupied space and improving practicability; the device comprises a rocking plate, a fixed plate, a driving motor, two groups of driven shaft assemblies, a driving shaft assembly, a driving belt, a connecting supporting plate, a guide plate and a locking bolt, wherein the connecting supporting plate is arranged at the top end of the fixed plate through the driving shaft assembly and the two groups of driven shaft assemblies; in use, the oscillating device has single oscillating frequency, and when the oscillating experiment in different frequency ranges is carried out, different types of oscillating equipment are adopted, so that the method is inconvenient and the efficiency of the experiment is affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides the oscillation device with adjustable amplitude frequency, which is convenient for adjusting the oscillation frequency and the amplitude, has strong applicability and can meet the experiment requirements of multiple frequencies and multiple amplitudes.
(II) technical scheme
In order to achieve the above purpose, the present application provides the following technical solutions: the device comprises a base, an eccentric spindle assembly, a frequency modulation assembly, a connecting plate and a sliding frame, wherein the sliding frame can be installed on the base in a left-right sliding mode, the connecting plate can be installed on the sliding frame in a front-back sliding mode, the frequency modulation assembly comprises an installation support, a first conical wheel, a second conical wheel, a driving rod, a threaded rod, a first sliding seat, a second sliding seat and a spring, the installation support is fixedly installed on the base, the driving rod can be arranged on the installation support in a sliding mode, the driving wheel can be rotatably installed on the top of the driving rod, the first sliding seat is fixedly installed on the bottom of the driving rod, one end of the spring is fixedly connected with the first sliding seat, the other end of the spring is fixedly connected with the installation support, the second sliding seat can be slidably installed on the base, the threaded rod passes through the installation support and is rotatably connected with the second sliding seat, the first conical wheel and the second conical wheel are rotatably installed on the base, the first conical wheel and the second conical wheel are rotatably arranged on the driving shaft assembly, the first conical wheel and the second conical wheel are rotatably connected with the eccentric spindle assembly through the eccentric spindle assembly, and the eccentric spindle assembly is rotatably connected with the eccentric spindle assembly.
Preferably, the eccentric spindle assembly comprises a first rotating shaft, a first plate body, a second plate body, a sliding sleeve, a gear and a second rotating shaft, wherein the first rotating shaft is rotatably arranged on the machine base, the first plate body is fixedly arranged at the top of the first rotating shaft, the sliding sleeve is sleeved on the first plate body, the second plate body is slidably arranged in the sliding sleeve, the gear is rotatably arranged in the sliding sleeve, teeth are arranged on the first plate body and the second plate body, the gear is meshed with the teeth on the first plate body and the second plate body, a jack bolt tightly contacted with the first plate body is screwed on the sliding sleeve, the second rotating shaft is fixedly arranged on the second plate body, and the second rotating shaft is rotatably arranged on the connecting plate.
Preferably, the sliding device further comprises a sliding bar, an adjusting screw and a counterweight hammer, wherein the first plate body is provided with a sliding groove, the sliding bar is slidably installed in the sliding groove, the adjusting screw is rotatably installed in the sliding groove, the adjusting screw is in threaded transmission connection with the sliding bar, and the counterweight hammer is installed on the sliding bar.
Preferably, the counterweight hammer is screwed on the sliding bar.
Preferably, the inclined slopes on the first sliding seat and the second sliding seat are arranged in parallel, and the driving rod is arranged perpendicular to the inclined slopes.
Preferably, a sliding rail is installed at the inclined slope of the second sliding seat, and the first sliding seat is slidably installed on the sliding rail.
Preferably, the first plate body is provided with a limiting protrusion, the second plate body is provided with a limiting groove, and the limiting protrusion is located in the limiting groove.
Preferably, a limiting frame is arranged on the machine base, and a balancing weight is placed in the limiting frame.
Preferably, the bottom of the machine base is provided with a vibration reduction pad.
(III) beneficial effects
Compared with the prior art, the application provides the oscillating device capable of adjusting the amplitude frequency, which has the following beneficial effects: this oscillating device of adjustable amplitude frequency makes the second sliding seat drive first sliding seat through rotating the adjustment threaded rod and removes to adjust the position of drive wheel between first cone pulley and the second cone pulley, change the transmission ratio, with the rotational speed of adjustment eccentric spindle subassembly, thereby carry out adaptability adjustment to the vibration frequency of connecting plate department, the suitability is strong, can satisfy many amplitude experiment demands of multiple frequency, and structure scientific and reasonable, the simple operation.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic rear view of the present application;
FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present application;
FIG. 4 is a schematic view of the cross-sectional structure of the application at B-B in FIG. 2;
FIG. 5 is a schematic view of the structure of the present application shown in FIG. 4 at a partially enlarged scale;
FIG. 6 is a right side schematic view of the present application;
the reference numerals in the drawings: 1. a base; 2. a connecting plate; 3. a carriage; 4. installing a support; 5. a first cone pulley; 6. a second cone wheel; 7. a driving wheel; 8. a driving rod; 9. a threaded rod; 10. a first sliding seat; 11. a second sliding seat; 12. a spring; 13. a driving motor; 14. a first rotating shaft; 15. a first plate body; 16. a second plate body; 17. a sliding sleeve; 18. a gear; 19. a second rotating shaft; 20. a jack bolt; 21. a sliding bar; 22. adjusting a screw; 23. a counter weight; 24. a slide rail; 25. a limit protrusion; 26. a limit groove; 27. a limit frame; 28. balancing weight; 29. and a vibration damping pad.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-6, the oscillating device capable of adjusting amplitude frequency comprises a base 1, an eccentric spindle assembly, a frequency modulation assembly, a connecting plate 2 and a sliding frame 3, wherein the sliding frame 3 is installed on the base 1 in a left-right sliding manner, the connecting plate 2 is installed on the sliding frame 3 in a front-back sliding manner, the frequency modulation assembly comprises an installation support 4, a first conical wheel 5, a second conical wheel 6, a driving wheel 7, a driving rod 8, a threaded rod 9, a first sliding seat 10, a second sliding seat 11 and a spring 12, the installation support 4 is fixedly installed on the base 1, the driving rod 8 is slidably arranged on the installation support 4, the driving wheel 7 is rotatably installed on the top of the driving rod 8, the first sliding seat 10 is fixedly installed at the bottom of the driving rod 8, one end of the spring 12 is fixedly connected with the first sliding seat 10, the other end of the spring 12 is fixedly connected with the installation support 4, the second sliding seat 11 is slidably installed on the base 1, the threaded rod 9 is spirally installed through the installation support 4 and is rotatably connected with the second sliding seat 11, the first conical wheel 10 and the second conical wheel 11, the first conical wheel 5 and the second conical wheel 5 are rotatably connected with the driving spindle assembly through the second conical wheel 6, the eccentric spindle assembly is rotatably installed on the base 1, the driving spindle assembly is rotatably connected with the other end of the driving spindle assembly 1, and the eccentric spindle assembly is rotatably connected with the second conical wheel 6 through the first conical wheel 6 and the eccentric spindle assembly is rotatably installed on the base 1, and the eccentric spindle assembly is rotatably connected with the driving spindle assembly is rotatably connected with the other end 1; further, the driving wheel 7 is located in the middle of a parallel line between the first conical wheel 5 and the second conical wheel 6, the second sliding seat 11 is moved back and forth by rotating the adjusting threaded rod 9, and the driving wheel 7 moves up and down under the thrust action of the spring 12 or the second sliding seat 11, so that the transmission ratio between the first conical wheel 5 and the second conical wheel 6 is changed, and the adjustment requirement on the oscillation frequency of the device is met.
Specifically, the eccentric spindle assembly comprises a first rotating shaft 14, a first plate body 15, a second plate body 16, a sliding sleeve 17, a gear 18 and a second rotating shaft 19, wherein the first rotating shaft 14 is rotatably installed on the machine base 1, the first plate body 15 is fixedly installed on the top of the first rotating shaft 14, the sliding sleeve 17 is sleeved on the first plate body 15, the second plate body 16 is slidably installed in the sliding sleeve 17, the gear 18 is rotatably installed in the sliding sleeve 17, teeth are arranged on the first plate body 15 and the second plate body 16, the gear 18 is meshed with the teeth on the first plate body 15 and the second plate body 16, a jack bolt 20 closely contacted with the first plate body 15 is screwed on the sliding sleeve 17, the second rotating shaft 19 is fixedly installed on the second plate body 16, and the second rotating shaft 19 is rotatably installed on the connecting plate 2; further, the gear 18 is provided with a knob fixedly connected with the gear 18, the gear 18 rotates through rotating the knob, after being driven by teeth, the first plate 15 and the second plate 16 are mutually close to or far away from each other in the sliding sleeve 17, so that the distance between the first rotating shaft 14 and the second rotating shaft 19 is adjusted, after the adjustment is finished, the sliding sleeve 17 and the first plate 15 are fixedly locked through the jacking bolts 20, and therefore the vibration amplitude of the connecting plate 2 is adjusted, and the experimental requirements of different experiments on the vibration amplitude are met.
Specifically, the sliding device further comprises a sliding bar 21, an adjusting screw 22 and a counterweight 23, wherein a chute is arranged on the first plate body 15, the sliding bar 21 is slidably arranged in the chute, the adjusting screw 22 is rotatably arranged in the chute, the adjusting screw 22 is in threaded transmission connection with the sliding bar 21, and the counterweight 23 is arranged on the sliding bar 21; the adjusting screw 22 is rotated to adjust the distance between the counter weight 23 and the first rotating shaft 14, so that the distance between the center of gravity of the counter weight 23 and the first rotating shaft 14 and the distance between the center of gravity of the second rotating shaft 19 and the first rotating shaft 14 are basically distributed at equal intervals, balance rotation of the first rotating shaft 14 is ensured, excessive vibration of the device due to eccentric force during oscillation experiments is avoided, the abrasion degree of the first rotating shaft 14 due to eccentric centrifugal force is reduced, and the service life of the first rotating shaft 14 is prolonged.
Specifically, the weight hammer 23 is screwed on the slide bar 21; the counter weight hammer 23 is connected with the sliding bar 21 in a threaded transmission manner, so that the counter weight hammer 23 can be conveniently detached and replaced, and the corresponding counter weight hammer 23 can be replaced according to the vibration experiment requirements on different masses, so that the first rotating shaft 14 is ensured to basically keep dynamic balance in the rotating process, the occurrence of excessive vibration of the device due to eccentric force is further reduced, and the overall stability of the device is improved.
Specifically, the inclined slopes on the first sliding seat 10 and the second sliding seat 11 are arranged in parallel, and the driving rod 8 is arranged vertically to the inclined slopes; when the first sliding seat 10 pushes against the second sliding seat 11 to move, the horizontal acting force can be better converted into the acting force towards the driving rod 8, so that the position of the driving wheel 7 can be timely adjusted in a more labor-saving manner.
Specifically, the sliding rail 24 is installed at the inclined slope of the second sliding seat 11, and the first sliding seat 10 is slidably installed on the sliding rail 24; the second sliding seat 11 and the first sliding seat 10 are in sliding connection through the sliding rail 24, so that the second sliding seat 11 is prevented from being separated from the inclined slope surface contacted with the first sliding seat 10.
Specifically, the first plate body 15 is provided with a limiting protrusion 25, the second plate body 16 is provided with a limiting groove 26, and the limiting protrusion 25 is positioned in the limiting groove 26; through the limiting protrusion 25 and the limiting groove 26, the first plate body 15 and the second plate body 16 can be prevented from being excessively moved to separate the first plate body 15 and the second plate body 16 from the sliding sleeve 17, and the first plate body 15 and the second plate body 16 are ensured to be always kept in a contact state.
Specifically, a limiting frame 27 is arranged on the machine base 1, and a balancing weight 28 is placed in the limiting frame 27; the balancing weight 28 can be placed in the limiting frame 27 on the machine base 1 according to the requirements, so that the whole gravity center of the device moves downwards, and meanwhile, the whole weight of the device is increased, and the whole displacement of the device in the oscillating process is avoided.
Specifically, the bottom of the stand 1 is provided with a vibration damping pad 29; the vibration damping pad 29 can slowly release the vibration during the vibration experiment, reduce the vibration noise between the device and the place, and further prevent the device from self-shifting due to vibration at the place.
When the vibration-damping device is used, the second sliding seat 11 is driven to move by the threaded rod 9 through rotation of the adjusting screw rod 9, the first sliding seat 10 is driven to move by the threaded rod 9, after the second sliding seat 11 is driven by the driving rod 8, the position of the driving wheel 7 between the first conical wheel 5 and the second conical wheel 6 is changed, the transmission ratio between the first conical wheel 5 and the second conical wheel 6 is changed, the driving motor 13 drives the second conical wheel 6 to rotate, after the driving wheel 7 and the first conical wheel 5 are driven, the first rotating shaft 14 drives the first plate 15 to rotate, so that the vibration-damping effect of the connecting plate 2 is achieved, the first plate 15 and the second plate 16 are close to or far away from each other in the sliding sleeve 17 through rotation of the rotating knob and the gear 18, the distance between the first rotating shaft 14 and the second rotating shaft 19 is adjusted, the sliding sleeve 17 and the first plate 15 are fixedly locked through the jack bolt 20 after adjustment, and the vibration amplitude of the connecting plate 2 is adjusted.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).
Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (8)
1. The oscillating device capable of adjusting amplitude frequency is characterized by comprising a base (1), an eccentric spindle assembly, a frequency modulation assembly, a connecting plate (2) and a sliding frame (3), wherein the sliding frame (3) can be installed on the base (1) in a left-right sliding mode, and the connecting plate (2) can be installed on the sliding frame (3) in a front-back sliding mode;
the frequency modulation assembly comprises an installation support (4), a first conical wheel (5), a second conical wheel (6), a driving wheel (7), a driving rod (8), a threaded rod (9), a first sliding seat (10), a second sliding seat (11) and a spring (12), wherein the installation support (4) is fixedly installed on a machine seat (1), the driving rod (8) is slidably arranged on the installation support (4), the driving wheel (7) is rotatably installed on the top of the driving rod (8), the first sliding seat (10) is fixedly installed on the bottom of the driving rod (8), one end of the spring (12) is fixedly connected with the first sliding seat (10), the other end of the spring (12) is fixedly connected with the installation support (4), the second sliding seat (11) is slidably installed on the machine seat (1), the threaded rod (9) is rotatably connected with the second sliding seat (11) through the installation support (4), the first sliding seat (10) and the second sliding seat (11) are rotatably installed on the slope surface, the first conical wheel (6) and the second conical wheel (6) are rotatably connected with the first conical wheel (6) and the eccentric wheel (5) through the eccentric wheel (6), the other end of the eccentric main shaft assembly is rotatably arranged on the machine base (1), a driving motor (13) for providing power for the rotation of the second conical wheel (6) is arranged on the machine base (1), and the first conical wheel (5) is in transmission connection with the eccentric main shaft assembly through a transmission belt;
the eccentric spindle assembly comprises a first rotating shaft (14), a first plate body (15), a second plate body (16), a sliding sleeve (17), a gear (18) and a second rotating shaft (19), wherein the first rotating shaft (14) is rotatably arranged on a machine base (1), the first plate body (15) is fixedly arranged at the top of the first rotating shaft (14), the sliding sleeve (17) is sleeved on the first plate body (15), the second plate body (16) is slidably arranged in the sliding sleeve (17), the gear (18) is rotatably arranged in the sliding sleeve (17), teeth are arranged on the first plate body (15) and the second plate body (16), the gear (18) is meshed with the teeth on the first plate body (15) and the second plate body (16), a jacking bolt (20) tightly contacted with the first plate body (15) is screwed on the sliding sleeve (17), the second plate body (19) is fixedly arranged on the second plate body (16), and the second rotating shaft (19) is rotatably arranged on the second connecting plate (2).
2. The oscillating device capable of adjusting amplitude frequency according to claim 1, further comprising a sliding bar (21), an adjusting screw (22) and a counterweight (23), wherein the first plate body (15) is provided with a sliding groove, the sliding bar (21) is slidably installed in the sliding groove, the adjusting screw (22) is rotatably installed in the sliding groove, the adjusting screw (22) is in threaded transmission connection with the sliding bar (21), and the counterweight (23) is installed on the sliding bar (21).
3. An oscillating device with adjustable amplitude frequency according to claim 2, characterized in that the weight (23) is screwed to the sliding bar (21).
4. An oscillating device with adjustable amplitude frequency according to claim 3, characterized in that the inclined slopes on the first (10) and second (11) slide bases are arranged in parallel, and the driving rod (8) is arranged perpendicularly to the inclined slopes.
5. The oscillating device with adjustable amplitude frequency according to claim 4, wherein the sliding rail (24) is mounted at the inclined slope of the second sliding seat (11), and the first sliding seat (10) is slidably mounted on the sliding rail (24).
6. The oscillating device with adjustable amplitude frequency according to claim 5, wherein the first plate body (15) is provided with a limiting protrusion (25), the second plate body (16) is provided with a limiting groove (26), and the limiting protrusion (25) is located in the limiting groove (26).
7. The oscillating device with adjustable amplitude frequency according to claim 6, wherein a limiting frame (27) is arranged on the base (1), and a balancing weight (28) is placed in the limiting frame (27).
8. An oscillating device with adjustable amplitude frequency according to claim 7, characterized in that the base (1) is provided with a damping pad (29) at the bottom.
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CN202210503865.4A CN114768625B (en) | 2022-05-10 | 2022-05-10 | Oscillating device capable of adjusting amplitude frequency |
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CN202210503865.4A CN114768625B (en) | 2022-05-10 | 2022-05-10 | Oscillating device capable of adjusting amplitude frequency |
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CN114768625B true CN114768625B (en) | 2023-09-22 |
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