CN117346848A - High-stability anti-seismic precession vortex flowmeter - Google Patents
High-stability anti-seismic precession vortex flowmeter Download PDFInfo
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- CN117346848A CN117346848A CN202311304962.1A CN202311304962A CN117346848A CN 117346848 A CN117346848 A CN 117346848A CN 202311304962 A CN202311304962 A CN 202311304962A CN 117346848 A CN117346848 A CN 117346848A
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- 238000005259 measurement Methods 0.000 claims abstract description 65
- 238000013016 damping Methods 0.000 claims description 50
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 230000035939 shock Effects 0.000 claims description 25
- 230000033001 locomotion Effects 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims 4
- 238000010521 absorption reaction Methods 0.000 claims 4
- 239000012530 fluid Substances 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000010030 laminating Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
Abstract
The utility model relates to a high stability's antidetonation formula precession vortex flowmeter, use in fluid measurement's field, it includes survey pipe and electromagnetic measurement portion, survey pipe output is equipped with flow control assembly, be equipped with damper on the pipe wall of survey pipe, electromagnetic measurement portion locates damper is last, damper includes bottom plate, first damper and second damper, the bottom plate is fixed on the pipe wall of survey pipe, first damper is located on the bottom plate, second damper is located on the first damper, electromagnetic measurement portion locates on the second damper, this application has the effect that improves electromagnetic measurement portion and cause damage and have measurement error because of rocking.
Description
Technical Field
The application relates to the field of fluid measurement, in particular to a high-stability anti-seismic precession vortex flowmeter.
Background
The vortex flow meter adopts the latest micro-processing technology, has the advantages of strong function, wide flow range, simple operation and maintenance, convenient installation and use and the like, and has main technical indexes reaching the advanced level of similar products abroad. The gas meter is widely applied to various gas metering in industries such as petroleum, chemical industry, electric power, metallurgical coal and the like.
In the related art, an electrode ring is disposed in a measuring pipe through which a fluid to be measured flows, and detects a magnetic field applied to the fluid and an electromotive force generated by the flow of the fluid; an excitation section of the electromagnetic measurement section that applies a time-varying magnetic field to the fluid that is symmetrical with respect to an electrode plane perpendicular to an axial direction of the measurement pipe including the electrodes; a signal line which is disposed so that one end is connected to the electrode and has an inclination angle with respect to a magnetic field direction parallel to the electrode plane, and generates electromotive force due to time variation of the magnetic field; and a signal conversion unit connected to the other end of the signal line, wherein the flow rate output unit obtains the result of the electromotive force component to calculate the flow rate of the fluid, and performs high-precision flow rate measurement.
With respect to the related art in the above, the inventors found that there are the following drawbacks: in the measuring process, the flow of the measured flow at different moments is different, when the condition of insufficient measured flow occurs, the condition of unfilled pipe can appear in the measuring pipe, the measured flow produces impact, and the measuring pipe is rocked, when the measuring pipe is rocked, the inside measured fluid also rocked along with the rocking, so that the measuring result of the electromagnetic measuring part is not accurate enough, and the rocking of the measuring pipe can damage the electromagnetic measuring part.
Disclosure of Invention
In order to solve the problems that an electromagnetic measuring part is damaged due to shaking and measurement errors exist, the application provides a high-stability anti-vibration precession vortex flowmeter.
The anti-seismic precession vortex flowmeter with high stability provided by the application adopts the following technical scheme:
the utility model provides a high stability's antidetonation formula precession vortex flowmeter, includes survey pipe and electromagnetic measurement portion, survey pipe output is equipped with flow control assembly, be equipped with damper on the pipe wall of survey pipe, electromagnetic measurement portion locates damper is last, damper includes bottom plate, first damper and second damper, the bottom plate is fixed on the pipe wall of survey pipe, first damper is located on the bottom plate, second damper is located on the first damper, electromagnetic measurement portion locates on the second damper.
Through adopting above-mentioned technical scheme, when measuring the measuring flow in the survey pipe and being too little, start flow control assembly for measuring the measuring flow that the output flows out and becoming small, measuring flow is accumulated in the survey pipe, filling survey pipe, when survey pipe because measuring flow is not enough, measuring flow impact survey pipe causes the vibration to survey pipe, at first through first damping portion, reduce the intensity of vibration, when vibration transmission to second damping portion, through the shock attenuation of second damping portion, reduce the intensity of vibration again, make finally transmit the vibration of electromagnetic measurement portion reduce by a wide margin, the loss to electromagnetic measurement portion has been reduced, electromagnetic measurement portion's life has been prolonged.
Optionally, the first damping portion includes damper groove, flat spring and damper plate, the damper groove is seted up on the bottom plate, the flat spring is located damper inslot, damper plate is located damper inslot just be in under the promotion of flat spring follow damper groove cell wall direction reciprocating motion.
Through adopting above-mentioned technical scheme, when vibration transmission arrives on the bottom plate, flat spring is pressed, compresses, converts the force of coming into the elastic potential energy of flat spring, reduces the intensity of vibration this moment for finally transmitting the vibration of electromagnetic measurement portion and reducing by a wide margin, reduced the loss to electromagnetic measurement portion, prolonged electromagnetic measurement portion's life.
Optionally, the second damping portion includes spacing sleeve pipe down, reset spring and last spacing sleeve pipe, spacing sleeve pipe locates down on the shock attenuation board, integrated into one piece has spacing post on spacing sleeve pipe's the lateral wall down, go up on spacing sleeve pipe's the lateral wall seted up with spacing groove of spacing post looks adaptation, go up spacing sleeve pipe's bottom with electromagnetic measurement portion is fixed, go up spacing sleeve pipe is in reciprocating motion on spacing sleeve pipe's the lateral wall down, reset spring locates in the spacing sleeve pipe down.
Through adopting above-mentioned technical scheme, when the power that vibration transmitted arrives on the lower limit sleeve, lower limit sleeve and last limit sleeve are close to each other, and reset spring compresses this moment, converts the power that will transmit into reset spring's elastic potential energy, reduces the intensity of vibration this moment for finally transmitting the vibration of electromagnetic measurement portion and reducing by a wide margin, simultaneously through spacing post and spacing groove's joint, make electromagnetic measurement portion can not take place to twist reverse at the vibration process, reduced the loss to electromagnetic measurement portion, prolonged electromagnetic measurement portion's life.
Optionally, the bottom plate still is equipped with angle regulation portion, angle regulation portion includes shock attenuation pole and fisheye bearing, fisheye bearing locates respectively the both ends of shock attenuation pole, integrated into one piece has the boss on the bottom plate, shock attenuation pole one end fisheye bearing with the boss is connected, the other end of shock attenuation pole fisheye bearing with electromagnetic measurement portion connects.
Through adopting above-mentioned technical scheme, when the deviation one direction that comes, through the skew angle of fisheye bearing rotation adjustment electromagnetic measurement portion this moment, the shock attenuation pole compression stores the power that comes, has reduced the loss to electromagnetic measurement portion, has prolonged electromagnetic measurement portion's life.
Optionally, the flow control subassembly includes regulation separation blade, adjusting vane, interlock area and action wheel, the regulation separation blade is located the one end of survey pipe output, the flow hole has been seted up to central point put on the regulation separation blade, follow on the regulation separation blade still integrated into one piece has the axis of rotation in flow hole edge, the one end integrated into one piece of adjusting vane has the swivel becket, the swivel becket cover is established in the axis of rotation, the inboard of interlock area with a plurality of swivel becket laminating, the action wheel rotates to be connected on the regulation separation blade, just the action wheel with the interlock area laminating.
Through adopting above-mentioned technical scheme, when measuring flow not enough, start the action wheel, the action wheel rotates, drives all regulation blade synchronous rotation for the size of flow hole diminishes, and the measuring flow that flows diminishes, makes measuring flow in the survey buret reach the standard that can detect, has improved the precision that electromagnetic measurement portion detected.
Optionally, be equipped with spacing piece on the lateral wall of swivel becket, set up spacing mouth on the spacing piece, the interlock area passes spacing mouth, with a plurality of swivel becket laminating.
Through adopting above-mentioned technical scheme, spacing through spacing piece to the interlock area for the interlock area can not break away from the transmission ring at driven in-process, has improved driven stability.
Optionally, be equipped with the rotation motor on the survey buret, be equipped with the dwang on the action wheel, the dwang with the pivot of rotation motor passes through the belt and connects.
Through adopting above-mentioned technical scheme, through the drive of motor, the size of flow hole can in time be adjusted to the second, the adjustment efficiency in flow hole has been improved.
Optionally, a limiting ring for limiting the movement of the damping plate is integrally formed at one end of the damping groove away from the groove bottom.
Through adopting above-mentioned technical scheme, spacing through the spacing of spacing ring for the shock attenuation board can not break away from the expected adjustment distance of shock attenuation groove at the in-process that removes, has improved the stability of high stability's antidetonation formula precession vortex flowmeter.
In summary, the present application includes at least one of the following beneficial effects:
1. when detecting that survey flow in the survey pipe is too little, start flow control assembly for survey flow that survey pipe output flows diminishes, and survey flow is accumulated in survey pipe, and the filling survey pipe is because survey flow is not enough, and survey flow impact survey pipe causes the vibration to survey pipe, at first through first damping portion, reduce the intensity of vibration, when vibration transmission arrives second damping portion, through the damping of second damping portion, reduce the intensity of vibration again, make the vibration that finally transmits electromagnetic measurement portion reduce by a wide margin, reduced the loss to electromagnetic measurement portion, prolonged electromagnetic measurement portion's life.
2. When vibration is transmitted to the bottom plate, the flat spring is pressed and compressed, the transmitted force is converted into elastic potential energy of the flat spring, and the intensity of the vibration is reduced at the moment, so that the vibration finally transmitted to the electromagnetic measuring part is greatly reduced, the loss of the electromagnetic measuring part is reduced, and the service life of the electromagnetic measuring part is prolonged.
3. When the force transmitted by vibration arrives at the lower limit sleeve, the lower limit sleeve and the upper limit sleeve are mutually close, at the moment, the reset spring is compressed, the transmitted force is converted into the elastic potential energy of the reset spring, at the moment, the intensity of vibration is reduced, the vibration finally transmitted to the electromagnetic measuring part is greatly reduced, and meanwhile, the electromagnetic measuring part cannot twist in the vibration process through the clamping connection of the limit column and the limit groove, so that the loss of the electromagnetic measuring part is reduced, and the service life of the electromagnetic measuring part is prolonged.
Drawings
FIG. 1 is a schematic diagram of a high stability anti-vibration precession vortex flowmeter according to an embodiment of the present application;
FIG. 2 is a schematic view of a shock absorbing assembly according to an embodiment of the present application;
FIG. 3 is a schematic view of a flow regulating assembly according to an embodiment of the present application;
FIG. 4 is an enlarged view of FIG. 3 at A;
fig. 5 is a schematic view illustrating an internal structure of the first shock absorbing portion and the second shock absorbing portion in the embodiment of the present application.
In the figure: 1. a measuring tube; 2. an electromagnetic measurement unit; 3. a shock absorbing assembly; 31. a bottom plate; 311. a boss; 32. a first shock absorbing portion; 321. a damping groove; 322. a limiting ring; 323. a flat spring; 324. a shock absorbing plate; 33. a second shock absorbing portion; 331. a lower limit sleeve; 332. a limit column; 333. a return spring; 334. an upper limit sleeve; 335. a limit groove; 34. an angle adjusting section; 341. a shock-absorbing rod; 342. a fish-eye bearing; 4. a flow regulating assembly; 41. adjusting the baffle; 411. a rotating shaft; 42. adjusting the blade; 421. a rotating ring; 422. a limiting piece; 423. a limit opening; 43. a linkage belt; 44. a driving wheel; 441. a rotating lever; 45. flow orifice.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a high-stability anti-seismic precession vortex flowmeter. Referring to fig. 1 and 2, the electromagnetic flow meter comprises a measuring tube 1 and an electromagnetic measuring part 2, wherein a flow regulating component 4 is arranged at the output end of the measuring tube 1, a damping component 3 is fixed on the tube wall of the measuring tube 1, the electromagnetic measuring part 2 is arranged on the damping component 3, the damping component 3 comprises a bottom plate 31, a first damping part 32 and a second damping part 33, the bottom plate 31 can be triangular in shape and is fixed on the tube wall of the measuring tube 1, the first damping part 32 is arranged on the bottom plate 31, the second damping part 33 is arranged on the first damping part 32, and the electromagnetic measuring part 2 is arranged on the second damping part 33; when detecting that the measurement flow in the measurement pipe 1 is too small, the electromagnetic measurement part 2 can not accurately calculate the measurement flow, the flow regulating component 4 is started, so that the measurement flow flowing out of the output end of the measurement pipe 1 is reduced, the measurement flow is accumulated in the measurement pipe 1 to fill the measurement pipe 1, and the measurement pipe 1 is insufficient in measurement flow, when the measurement flow impacts the measurement pipe 1 to vibrate the measurement pipe 1, the intensity of vibration is reduced firstly through the first vibration reducing part 32, when the vibration is transmitted to the second vibration reducing part 33, the intensity of vibration is reduced again through the vibration reduction of the second vibration reducing part 33, the vibration intensity finally transmitted to the electromagnetic measurement part 2 is greatly reduced, the loss of the electromagnetic measurement part 2 is reduced, and the service life of the electromagnetic measurement part 2 is prolonged.
Referring to fig. 1 and 3, flow control assembly 4 includes regulation separation blade 41, regulating vane 42, interlock area 43 and action wheel 44, regulating vane 41 locates the output of survey pipe 1, the flow hole 45 has been seted up to central point put on regulating vane 41, measured flow flows from this flow hole 45, still integrated into one piece along flow hole 45 edge has axis of rotation 411 on regulating vane 41, the number of axis of rotation 411 can be 5, regulating vane 42's afterbody integrated into one piece has rotation ring 421, regulating vane 42's number and axis of rotation 411's number looks adaptation, 5 also, rotation ring 421 cover is established on axis of rotation 411, make regulating vane 42 can rotate round axis of rotation 411, interlock area 43 winds on 5 rotation ring 421, the inboard is laminated with a plurality of rotation ring 421, when interlock area 43 removes, can drive 5 regulating vane 42 synchronous rotation, make regulating vane 42 gather together or disperse, action wheel 44 rotates to be connected on regulating vane 41, and action wheel 44's one side and the laminating of action wheel 44, when action wheel 44 rotates, it drives all regulating vane 43 and moves, make it drive all regulating vane 42 and move with the motor looks like that the number looks like, the measuring pipe 1, make the measurement of measuring vane 45 can be equipped with the synchronous motor, make the measurement of measuring vane 2, make the measurement of flow through the measurement of measuring pipe 1, make the measurement of measuring vane's size become small, and the measurement of the size of measuring pipe is small, and the inside can be equipped with the small, and the measurement of the measuring vane is made.
Referring to fig. 4, a limiting piece 422 is disposed on one side of the rotating ring 421, a limiting opening 423 is formed in the limiting piece 422, the linking belt 43 passes through the limiting opening 423 and is attached to the rotating ring 421, and the linking belt 43 is limited by the limiting piece 422, so that the linking belt 43 cannot separate from the rotating ring 421 in the transmission process, and the transmission stability is improved.
Referring to fig. 2 and 5, when the measuring tube 1 is vibrated by the flow impact measuring tube 1, firstly, the vibration is damped by the first damping portion 32, the first damping portion 32 comprises a damping groove 321, a flat spring 323 and a damping plate 324, the damping groove 321 is formed in the bottom plate 31, the flat spring 323 is arranged in the damping groove 321, the damping plate 324 is arranged in the damping groove 321 and is pushed by the flat spring 323 to reciprocate along the groove wall direction of the damping groove 321, when the vibration is transferred onto the bottom plate 31, the flat spring 323 is compressed by compression, the transferred force is converted into the elastic potential energy of the flat spring 323, at this time, the intensity of the vibration is reduced, the vibration finally transferred to the electromagnetic measuring portion 2 is greatly reduced, therefore, the loss to the electromagnetic measuring portion 2 is reduced, the service life of the electromagnetic measuring portion 2 is prolonged, meanwhile, a limit ring 322 for limiting the movement of the damping plate 324 is integrally formed at one end of the damping groove 321 away from the groove bottom, and the limit ring 322 is used for limiting the vibration, so that the damping plate 324 is not separated from the damping groove 321 in the moving process, and the stability of the vortex flowmeter is improved.
Referring to fig. 5, when the remaining portion of vibration is transferred to the second vibration absorbing portion 33, the intensity of vibration is reduced again by the vibration absorbing of the second vibration absorbing portion 33, the second vibration absorbing portion 33 includes a lower limit sleeve 331, a return spring 333 and an upper limit sleeve 334, the lower limit sleeve 331 is arranged on the vibration absorbing plate 324, a limit post 332 is integrally formed on the side wall of the lower limit sleeve 331, a limit groove 335 matched with the limit post 332 is formed on the side wall of the upper limit sleeve 334, the bottom of the upper limit sleeve 334 is fixed with the electromagnetic measuring portion 2, the upper limit sleeve 334 reciprocates on the side wall of the lower limit sleeve 331, the return spring 333 is arranged in the lower limit sleeve 331, one end of the return spring 333 is fixed with the upper limit sleeve 334, the other end of the return spring 333 is fixed with the lower limit sleeve 331, when the force transferred by vibration is transferred to the lower limit sleeve 331, the lower limit sleeve 331 is close to each other by force, the return spring 333 is compressed at this moment, the force transferred by the return spring 333 is converted into elastic potential energy, the intensity of vibration is reduced, the amplitude of vibration is reduced, the electromagnetic measuring portion 2 is finally reduced by two times, the amplitude of vibration is greatly reduced, the electromagnetic portion 2 is measured, the vibration is greatly reduced, the electromagnetic portion is not damaged by the electromagnetic measuring portion 2, the electromagnetic portion is measured, the electromagnetic portion is greatly is measured, the electromagnetic portion is 2 is greatly measured, the life is prolonged, and the electromagnetic portion is greatly is measured, and the electromagnetic portion is 2 is greatly is reduced, and the life is measured 2.
Referring to fig. 2, the bottom plate 31 is further provided with an angle adjusting part 34, the angle adjusting part 34 includes a shock absorbing rod 341 and a fisheye bearing 342, the fisheye bearing 342 is respectively disposed at two ends of the shock absorbing rod 341, three corners on the bottom plate 31 are integrally formed with a boss 311, the fisheye bearing 342 at one end of the shock absorbing rod 341 is fixed with the boss 311, the fisheye bearing 342 at the other end of the shock absorbing rod 341 is connected with the electromagnetic measuring part 2, when the transmitted deviation is in one direction, the deviation angle of the electromagnetic measuring part 2 is adjusted by rotating the fisheye bearing 342 at this time, the shock absorbing rod 341 compresses, the transmitted force is stored, the loss of the electromagnetic measuring part 2 is reduced, and the service life of the electromagnetic measuring part 2 is prolonged.
The implementation principle of the anti-vibration precession vortex flowmeter with high stability is as follows: including measuring pipe 1 and electromagnetic measurement portion 2, measuring pipe 1 output is equipped with measures flow regulation subassembly 4, is equipped with damper 3 on measuring pipe 1's the pipe wall, and damper 3 is located to electromagnetic measurement portion 2, and damper 3 includes bottom plate 31, first damper 32 and second damper 33, and bottom plate 31 is fixed on measuring pipe 1's the pipe wall, and first damper 32 is located on bottom plate 31, and second damper 33 is located on first damper 32, and electromagnetic measurement portion 2 is located on first damper 32. When the measuring fluid flow in the measuring tube 1 is detected to be too small, the flow regulating assembly 4 is started, so that the measuring flow flowing out of the output end of the measuring tube 1 is reduced, the measuring flow is accumulated in the measuring tube 1, the measuring tube 1 is filled, when the measuring tube 1 is impacted by the measuring flow to vibrate the measuring tube 1 due to insufficient measuring flow, the intensity of vibration is reduced firstly through the first damping part 32, when the vibration is transmitted to the second damping part 33, the intensity of vibration is reduced again through the damping of the second damping part 33, the vibration finally transmitted to the electromagnetic measuring part 2 is greatly reduced, the loss of the electromagnetic measuring part 2 is reduced, and the service life of the electromagnetic measuring part 2 is prolonged.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a high stability's antidetonation formula precession vortex flowmeter, includes survey buret (1) and electromagnetic measurement portion (2), its characterized in that: the utility model discloses a measuring pipe, including measuring pipe (1), measuring pipe, electromagnetic measurement portion (2), measuring pipe (1) output is equipped with flow regulation subassembly (4), be equipped with damper (3) on the pipe wall of measuring pipe (1), electromagnetic measurement portion (2) are located on damper (3), damper (3) include bottom plate (31), first damper (32) and second damper (33), bottom plate (31) are fixed on the pipe wall of measuring pipe (1), first damper (32) are located on bottom plate (31), second damper (33) are located on first damper (32), electromagnetic measurement portion (2) are located on second damper (32).
2. A high stability, anti-vibration precession vortex flowmeter according to claim 1, wherein: the first damping part (32) comprises a damping groove (321), a flat spring (323) and a damping plate (324), wherein the damping groove (321) is formed in the bottom plate (31), the flat spring (323) is arranged in the damping groove (321), and the damping plate (324) is arranged in the damping groove (321) and moves back and forth along the groove wall direction of the damping groove (321) under the pushing of the flat spring (323).
3. A high stability, anti-vibration precession vortex flowmeter according to claim 2, wherein: the second damping part (33) comprises a lower limit sleeve (331), a reset spring (333) and an upper limit sleeve (334), wherein the lower limit sleeve (331) is arranged on the damping plate (324), a limit post (332) is integrally formed on the side wall of the lower limit sleeve (331), a limit groove (335) matched with the limit post (332) is formed in the side wall of the upper limit sleeve (334), the bottom of the upper limit sleeve (334) is fixed with the electromagnetic measuring part (2), the upper limit sleeve (334) reciprocates on the side wall of the lower limit sleeve (331), and the reset spring (333) is arranged in the lower limit sleeve (331).
4. A high stability, anti-vibration precession vortex flowmeter according to claim 1, wherein: the bottom plate (31) is further provided with an angle adjusting part (34), the angle adjusting part (34) comprises a shock absorption rod (341) and fish eye bearings (342), the fish eye bearings (342) are respectively arranged at two ends of the shock absorption rod (341), a boss (311) is integrally formed on the bottom plate (31), the fish eye bearings (342) at one end of the shock absorption rod (341) are connected with the boss (311), and the fish eye bearings (342) at the other end of the shock absorption rod (341) are connected with the electromagnetic measuring part (2).
5. A high stability, anti-vibration precession vortex flowmeter according to claim 1, wherein: the flow regulating assembly (4) comprises a regulating baffle (41), a regulating blade (42), a linkage belt (43) and a driving wheel (44), wherein the regulating baffle (41) is arranged at one end of the output end of the measuring tube (1), a flow hole (45) is formed in the central position of the regulating baffle (41), a rotating shaft (411) is integrally formed at the edge of the flow hole (45) on the regulating baffle (41), a rotating ring (421) is integrally formed at one end of the regulating blade (42), the rotating ring (421) is sleeved on the rotating shaft (411), the inner side of the linkage belt (43) is attached to a plurality of rotating rings (421), and the driving wheel (44) is rotationally connected to the regulating baffle (41) and attached to the linkage belt (43).
6. A high stability, anti-vibration precession vortex flowmeter according to claim 5, wherein: the side wall of the rotating ring (421) is provided with a limiting piece (422), the limiting piece (422) is provided with a limiting opening (423), and the linkage belt (43) passes through the limiting opening (423) and is attached to a plurality of the rotating rings (421).
7. A high stability, anti-vibration precession vortex flowmeter according to claim 5, wherein: the measuring tube (1) is provided with a rotating motor, the driving wheel (44) is provided with a rotating rod (441), and the rotating rod (441) is connected with a rotating shaft of the rotating motor through a belt.
8. A high stability, anti-vibration precession vortex flowmeter according to claim 2, wherein: and a limiting ring (322) for limiting the movement of the damping plate (324) is integrally formed at one end, far away from the bottom of the damping groove (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311304962.1A CN117346848A (en) | 2023-10-10 | 2023-10-10 | High-stability anti-seismic precession vortex flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311304962.1A CN117346848A (en) | 2023-10-10 | 2023-10-10 | High-stability anti-seismic precession vortex flowmeter |
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| CN117346848A true CN117346848A (en) | 2024-01-05 |
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| CN202311304962.1A Pending CN117346848A (en) | 2023-10-10 | 2023-10-10 | High-stability anti-seismic precession vortex flowmeter |
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| JP2000275073A (en) * | 1999-03-26 | 2000-10-06 | Yokogawa Electric Corp | Karman's vortex flowmeter |
| CN212409788U (en) * | 2020-07-06 | 2021-01-26 | 西安德信诺自动化设备有限公司 | Precession vortex flowmeter convenient to adjust and observe |
| CN213301346U (en) * | 2020-10-09 | 2021-05-28 | 哈尔滨新乔油田远控节能加热设备有限公司 | High-precision electromagnetic flowmeter |
| CN213842272U (en) * | 2020-12-31 | 2021-07-30 | 深圳市富罗瑞达仪器仪表有限公司 | Vortex street flowmeter for gas |
| CN216954646U (en) * | 2022-02-23 | 2022-07-12 | 宜昌科信天然气有限责任公司 | Flow meter capable of adjusting flow |
| CN217236882U (en) * | 2022-02-24 | 2022-08-19 | 青岛鑫凯博自动化设备有限公司 | Vortex shedding flowmeter sensor with anti-seismic structure |
| CN219368820U (en) * | 2023-01-06 | 2023-07-18 | 江苏海德光电科技有限公司 | Precession vortex flowmeter mechanism with antidetonation function |
| CN116734932A (en) * | 2023-06-08 | 2023-09-12 | 西尼尔(南京)过程控制有限公司 | Vortex shedding flowmeter anti-seismic structure |
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