CN113108850A - Novel vortex street flowmeter - Google Patents
Novel vortex street flowmeter Download PDFInfo
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- CN113108850A CN113108850A CN202110588535.5A CN202110588535A CN113108850A CN 113108850 A CN113108850 A CN 113108850A CN 202110588535 A CN202110588535 A CN 202110588535A CN 113108850 A CN113108850 A CN 113108850A
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- 238000013016 damping Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 67
- 238000012546 transfer Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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
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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
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a novel vortex shedding flowmeter, wherein two ends of a pipe body are respectively provided with a first damping component connected with the pipe body, and one side of the pipe body facing the ground is provided with a fixing component fixedly connected with the outer side, one side of the pipe body far away from the first damping component is provided with a vibration conveying component fixedly connected with the pipe body, when the flow degree and the flow quantity in the pipe need to be measured, the device can be arranged at the joint of the pipeline, the whole body is fixed on the ground through the fixing component, the pipes connected with both ends of the pipe body in the presence of the first damping member are not transmitted to the pipe body due to the vibration applied to the pipes by the machine, so that the data can be measured more accurately, the block inflation is accepted to the vibrations can not lead to because of intraductal temperature height to can solve the inaccurate problem of volume grow measured data after the inflation, drive the vibrations when intraductal liquid or gas flow and accept the block vibrations.
Description
Technical Field
The invention relates to the field of detection, in particular to a novel vortex shedding flowmeter.
Background
The development of flow measurement can be traced back to ancient hydraulic engineering and urban water supply systems. In the ancient Roman Kaiser era, a pore plate is adopted to measure the drinking water amount of residents; the flow of Nile river was measured by the weir method in ancient Egypt about 1000 b.c. before the Gongyuan. The water level of the bottleneck is observed by the famous water conservancy project of the Dujiang weir in China.
Metering is on the eye of industrial production. The flow measurement is one of the components of the measurement science and technology, and has close relation with national economy, national defense construction and scientific research. The work is well done, the flowmeter has important effects on ensuring the product quality, improving the production efficiency and promoting the development of scientific technology, and particularly has more obvious status and effect in national economy in the current times that the energy crisis and the industrial production automation degree are higher and higher.
The flow meters are classified into differential pressure type flow meters, rotameters, throttle type flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, turbine flow meters, vortex shedding flow meters, and the like. Classifying by media liquid, gas, steam and solid flow meters
During measurement, the flow meter is inaccurate in measurement due to the shaking of the pipe, so that the judgment is wrong, or the part receiving the vibration frequency is expanded due to the high temperature of liquid or gas in the pipe, so that the measurement data is inaccurate.
Disclosure of Invention
The invention aims to provide a novel vortex shedding flowmeter to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel vortex shedding flowmeter comprises a pipe body, wherein two ends of the pipe body are respectively provided with a first damping assembly connected with the pipe body, one side of the pipe body facing the ground is provided with a fixing assembly fixedly connected with the outer side of the pipe body, and one side of the pipe body away from the first damping assembly is provided with a vibration conveying assembly fixedly connected with the pipe body;
the vibration conveying assembly comprises a vibration conveying cavity outer wall fixedly connected to the pipe body, a connecting ball in ball joint with the vibration conveying cavity outer wall is arranged on the inner side of the vibration conveying cavity outer wall, a flow meter fixedly connected with the vibration conveying cavity outer wall is arranged at one end, far away from the pipe body, of the vibration conveying cavity outer wall, a first transmission rod fixedly connected with the connecting ball is arranged on one side, facing the pipe body, of the connecting ball, the first transmission rod is connected with a telescopic assembly arranged on the inner side of the pipe body through a second damping assembly, a second transmission rod fixedly connected with the connecting ball is arranged on one side, far away from the first transmission rod, of the connecting ball, and the second transmission rod is connected to the flow meter;
the novel vortex shedding flowmeter further comprises a pressure driving assembly which is arranged on one side of the pipe body far away from the fixing assembly, and the pressure driving assembly is connected with the lifting assembly through a transmission assembly.
As a further scheme of the invention: the fixing component comprises a second threaded sleeve which is fixedly connected to the pipe body, a second threaded rod which is in threaded connection with the second threaded sleeve is arranged on the inner side of the second threaded sleeve, and a fixing base which is fixedly connected with the second threaded rod is arranged at one end, far away from the pipe body, of the second threaded rod.
As a still further scheme of the invention: the first damping assembly comprises damping rings fixedly connected to two sides of the pipe body, two first sliding sleeves which are opposite to each other and fixed with the damping rings are arranged in the damping rings, first springs which are fixedly connected with the first sliding sleeves and fixedly connected with the first sliding rods and slide on the inner sides of the first sliding sleeves are arranged on the inner sides of the first sliding sleeves, and connecting pipes which are abutted to the first sliding rods and slide on the inner sides of the damping rings in a sealing mode are arranged in the opposite directions of the first sliding rods.
As a further scheme of the invention: second damper includes fixed connection and keeps away from the slip dish of flowmeter one end in first transfer line, the slip dish outside is provided with sliding connection's vibrations with it and accepts the piece, the piece orientation is accepted in vibrations one side of flowmeter is provided with two relative fourth transfer lines, the fourth transfer line is kept away from the one end that the piece was accepted in vibrations articulates in the third slide bar, one side that the fourth transfer line of telling was kept away from to the third slide bar is provided with fixed connection and fixed connection in three sliding sleeve's third spring with it, third sliding sleeve slide in the third slide bar outside and through articulated third transfer line fixed connection with it in first transfer line.
As a still further scheme of the invention: the pressure driving assembly comprises a second sliding sleeve penetrating through the pipe body and fixedly connected to the pipe body, a piston head in sealing sliding connection with the second sliding sleeve is arranged on the inner side of the second sliding sleeve, a second sliding rod fixedly connected with the piston head is arranged on one side, away from the pipe body, of the piston head, a second spring fixedly connected with the piston head and fixedly connected to the second sliding sleeve is further arranged on one side, away from the pipe body, of the piston head, and the second sliding rod is connected with the lifting assembly through a transmission assembly.
As a still further scheme of the invention: the lifting component comprises an extension block which is slidably connected with the inside of the vibration receiving block, a first threaded sleeve fixedly connected with the extension block is arranged inside the extension block, a first threaded rod connected with the first threaded sleeve is arranged in the first threaded sleeve, and the first threaded rod penetrates through the vibration receiving block to be connected with the transmission component.
As a still further scheme of the invention: the drive assembly includes fixed connection in the rack of second slide bar one side, the rack is kept away from one side of second slide bar be provided with rack toothing and fixed connection in the telescopic gear of second slip, the gear pass through the second drive belt connect in rotate connect in the inboard first drive disk of first drive rod, first drive disk rotates through first drive belt connect in the setting be in the second drive disk of slip dish one side, the second drive disk of telling is kept away from one side of slip dish passes through bevel gear group link first threaded rod.
Compared with the prior art, the invention has the beneficial effects that: when the intraductal flow number degree of needs measurement and flow, can install this device in the pipe connection department, will wholly be fixed in ground through fixed subassembly, the pipe of being connected with body both ends can not transmit to the body because of the vibrations that the machine applyed for the pipe under first damper assembly's existence, so that more accurate measured data, can not receive the piece inflation because of the intraductal high vibrations that lead to of temperature under telescopic assembly's existence, thereby solve the inaccurate problem of volume grow measured data after the inflation, drive vibrations when intraductal liquid or gaseous flow and receive the piece vibrations, receive the piece vibrations with shaking frequency after the piece vibrations and transmit flowmeter through first transfer line and connecting ball and second transfer line, flow number degree and flow have been obtained.
Drawings
Fig. 1 is a schematic structural diagram of a novel vortex shedding flowmeter.
Fig. 2 is a schematic structural diagram of a first damping component in the novel vortex shedding flowmeter.
Fig. 3 is an enlarged view of a structure at a in fig. 1.
Fig. 4 is an enlarged view of the structure at B in fig. 2.
In the figure: 1-connecting pipe, 2-damping ring, 3-first sliding sleeve, 4-first spring, 5-first sliding rod, 6-pipe body, 7-vibration conveying cavity outer wall, 8-first transmission belt, 9-first transmission disc, 10-first transmission rod, 11-connecting ball, 12-second transmission rod, 13-flowmeter, 14-second transmission belt, 15-gear, 16-rack, 17-second sliding rod, 18-second spring, 19-second sliding sleeve, 20-piston head, 21-third transmission rod, 22-third sliding sleeve, 23-third spring, 24-third sliding rod, 25-fourth transmission rod, 26-sliding disc, 27-vibration receiving block, 28-bevel gear set, 29-first threaded rod, 30-first threaded sleeve, 31-second threaded sleeve, 32-second threaded sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in the embodiment of the present invention, a novel vortex shedding flowmeter includes a pipe body 6, a first damping assembly connected to both ends of the pipe body 6 is disposed at both ends of the pipe body 6, a fixing assembly fixedly connected to an outer side of the pipe body 6 is disposed at a side facing the ground, and a vibration conveying assembly fixedly connected to the pipe body 6 is disposed at a side of the pipe body 6 away from the first damping assembly;
the vibration conveying assembly comprises a vibration conveying cavity outer wall 7 fixedly connected to the pipe body 6, a connecting ball 11 in ball joint with the vibration conveying cavity outer wall 7 is arranged on the inner side of the vibration conveying cavity outer wall 7, a flow meter 13 fixedly connected with the vibration conveying cavity outer wall 7 is arranged at one end, far away from the pipe body 6, of the vibration conveying cavity outer wall 7, a first transmission rod 10 fixedly connected with the connecting ball 11 is arranged on one side, facing the pipe body 6, of the connecting ball 11, the first transmission rod 10 is connected with a telescopic assembly arranged on the inner side of the pipe body 6 through a second damping assembly, a second transmission rod 12 fixedly connected with the connecting ball 11 is arranged on one side, far away from the first transmission rod 10, of the connecting ball 11, and the second transmission rod 12 is connected to the flow meter 13;
the novel vortex shedding flowmeter also comprises a pressure driving assembly arranged on one side, far away from the fixing assembly, of the pipe body 6, and the pressure driving assembly is connected to the lifting assembly through a transmission assembly;
in the embodiment of the invention, when the flow degree and the flow quantity in the pipe need to be measured, the device can be arranged at the joint of the pipeline, the whole body is fixed on the ground through the fixing component, the pipe connected with the two ends of the pipe body 1 in the presence of the first damping component can not be transmitted to the pipe body 1 due to the vibration applied to the pipe by a machine, so that more accurate measurement data can be obtained, 27 expansion blocks of vibration can not be received due to high temperature in the pipe in the presence of the telescopic component, and the problem that the volume is increased and the measurement data is inaccurate after expansion is solved;
when the liquid or gas in the pipe flows, the vibration receiving 27 pieces of vibration are driven, and after the vibration receiving 27 pieces of vibration, the vibration frequency is transmitted to the flowmeter through the first transmission rod 10, the connecting ball 11 and the second transmission rod 12, so that the flow degree and the flow quantity are obtained.
In another embodiment of the present invention, the fixing component includes a second threaded sleeve 31 disposed on the second threaded sleeve 31 and fixedly connected to the tube 6, a second threaded rod 32 threadedly connected to the second threaded sleeve 31 is disposed inside the second threaded sleeve 31, and a fixing base fixedly connected to the second threaded rod 32 is disposed on an end of the second threaded rod 32 away from the tube 6;
in the embodiment of the invention, when the equipment needs to be installed, the required height is different due to different application scenes, and the second threaded rod 32 can be screwed out of the second threaded sleeve 31 to reach the required height, so that the equipment can adapt to various scenes.
In another embodiment of the present invention, the first damping assembly includes damping rings 2 fixedly connected to two sides of the pipe body 6, two first sliding sleeves 3 fixed to and opposite to each other are disposed in the damping rings 2, a first spring 4 fixedly connected to and fixedly connected to a first sliding rod 5 sliding inside the first sliding sleeve 3 is disposed inside the first sliding sleeve 3, and a connecting pipe 1 abutting against the two first sliding rods 5 and sliding inside the damping rings 2 in a sealing manner is disposed in an opposite direction of the two first sliding rods 5;
in the embodiment of the present invention, when the connection pipes 1 at both ends are connected to the pipe to be measured, the first sliding rod 5 is pushed when the pipe is vibrated, and the first spring 4 is compressed when the first sliding rod 5 is pushed, so that energy is absorbed and damped by the first spring 4.
In another embodiment of the present invention, the second damper assembly includes a sliding disk 26 fixedly connected to one end of the first transmission rod 8 far from the flow meter 13, a vibration receiving block 27 slidably connected to the sliding disk 26 is disposed outside the sliding disk 26, two opposite fourth transmission rods 25 are disposed on one side of the vibration receiving block 27 facing the flow meter 13, one end of the fourth transmission rod 25 far from the vibration receiving block 27 is hinged to a third sliding rod 24, one side of the third sliding rod 24 far from the fourth transmission rod 25 is disposed with a third spring 23 fixedly connected to the third sliding sleeve 22, and the third sliding sleeve 22 slides outside the third sliding rod 24 and is fixedly connected to the first transmission rod 8 through a third transmission rod 21 hinged thereto;
in the embodiment of the present invention, when the flow rate in the pipe body 1 is high, the shock receiving block 27 is made to slide along the outer ring of the sliding disk 26 while pulling the third sliding rod 24 while compressing or stretching the third spring 23, thereby giving the shock receiving block 27 a force opposite to the flow direction, which has solved the problem that the shock receiving block 27 is stuck in one position.
In another embodiment of the present invention, the pressure driving assembly includes a second sliding sleeve 19 penetrating through the tube body 6 and fixedly connected to the tube body 6, a piston head 20 is disposed inside the second sliding sleeve 19 and slidably connected in a sealing manner, a second sliding rod 17 fixedly connected to the piston head 20 is disposed on a side of the piston head 20 away from the tube body 6, a second spring 18 fixedly connected to the piston head 20 and fixedly connected to the second sliding sleeve 19 is further disposed on a side of the piston head 20 away from the tube body 6, and the second sliding rod 17 is connected to the lifting assembly through a transmission assembly;
in the embodiment of the present invention, when the liquid or object with higher temperature flows in the tube body 1, the pressure in the tube body 1 rises, thereby pushing the piston head 20, when the piston head 20 is pushed, the second slide bar 17 is driven to rise and simultaneously the second spring 18 is compressed, and when the second slide bar rises, the transmission assembly is driven to work.
In another embodiment of the present invention, the lifting assembly includes an extension block slidably connected to the inside of the vibration receiving block 27, a first threaded sleeve 30 fixedly connected to the extension block is disposed inside the extension block, a first threaded rod 29 threadedly connected to the first threaded sleeve 30 is disposed inside the first threaded sleeve 30, and the first threaded rod 29 penetrates through the vibration receiving block 27 and is connected to the transmission assembly;
in the embodiment of the invention, when the transmission assembly works, the first threaded rod 29 is driven to rotate, when the first threaded rod 29 rotates, the first threaded sleeve 30 is driven to ascend or descend, and when the first threaded sleeve 3 ascends or descends, the extension block is driven to move along, so that the contact surface is reduced, and the reduced area is the same as the area before the expansion.
In a further embodiment of the present invention, the transmission assembly comprises a rack 16 fixedly connected to one side of the second sliding rod 17, a gear 15 engaged with the rack 16 and fixedly connected to the second sliding sleeve 19 is arranged on one side of the rack 16 away from the second sliding rod 17, the gear 15 is connected to a first transmission plate 9 rotatably connected to the inner side of the first transmission rod 10 through a second transmission belt 14, the first transmission plate 9 is rotatably connected to a second transmission plate arranged on one side of the sliding plate 26 through a first transmission belt 8, and one side of the second transmission plate away from the sliding plate 26 is connected to the first threaded rod 29 through a bevel gear set 28;
in the embodiment of the present invention, when the second sliding rod 17 ascends, the rack 16 is driven to ascend, when the rack 16 ascends, the gear 15 is driven to rotate, when the gear 15 rotates, the first transmission disk 9 is driven to rotate through the second transmission belt 14, when the first transmission disk 9 rotates, the second transmission disk is driven to rotate through the first transmission belt 9, and when the second transmission disk rotates, the first threaded rod 29 is driven to rotate through the bevel gear set 28;
the second spring 8 pushes the piston head 20 to the initial position when the internal pressure of the tubular body 1 decreases, working in the opposite way to bring the whole back to the initial position.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The novel vortex shedding flowmeter is characterized by comprising a pipe body (6), wherein two ends of the pipe body (6) are respectively provided with a first damping component connected with the pipe body, one side of the pipe body (6) facing the ground is provided with a fixing component fixedly connected with the outer side of the pipe body, and one side of the pipe body (6) far away from the first damping component is provided with a vibration conveying component fixedly connected with the pipe body (6);
the vibration conveying component comprises a vibration conveying cavity outer wall (7) fixedly connected with the pipe body (6), the inner side of the outer wall (7) of the vibration conveying cavity is provided with a connecting ball (11) which is in ball joint with the vibration conveying cavity, one end of the outer wall (7) of the vibration conveying cavity, which is far away from the pipe body (6), is provided with a flowmeter (13) fixedly connected with the outer wall (7) of the vibration conveying cavity, one side of the connecting ball (11) facing the pipe body (6) is provided with a first transmission rod (10) fixedly connected with the connecting ball, the first transmission rod (10) is connected with a telescopic component arranged on the inner side of the pipe body (6) through a second damping component, a second transmission rod (12) fixedly connected with the connecting ball (11) is arranged on one side, away from the first transmission rod (10), of the connecting ball (11), and the second transmission rod (12) is connected to the flowmeter (13);
the novel vortex shedding flowmeter further comprises a pressure driving assembly which is arranged on one side, far away from the fixing assembly, of the pipe body (6), and the pressure driving assembly is connected with the lifting assembly through a transmission assembly.
2. The vortex street flowmeter as claimed in claim 1, wherein the fixing component comprises a second threaded sleeve (31) fixedly connected to the pipe body (6), a second threaded rod (32) in threaded connection with the second threaded sleeve (31) is arranged inside the second threaded sleeve (31), and a fixing base fixedly connected with the second threaded rod (32) is arranged at one end of the second threaded rod (32) far away from the pipe body (6).
3. The vortex shedding flowmeter according to claim 1, wherein the first damping assembly comprises damping rings (2) fixedly connected to two sides of the pipe body (6), two first sliding sleeves (3) are arranged in the damping rings (2) and are opposite and fixed to each other, a first spring (4) fixedly connected to the first sliding sleeve (3) and fixedly connected to a first sliding rod (5) sliding inside the first sliding sleeve (3) is arranged inside the first sliding sleeve (3), and a connecting pipe (1) abutting against the two first sliding rods (5) and sliding inside the damping rings (2) in a sealing manner is arranged in the opposite direction of the two first sliding rods (5).
4. A new vortex shedding flowmeter according to claim 1, wherein the second damping means comprises a sliding disc (26) fixedly attached to the end of the first transfer rod (8) remote from the flowmeter (13), a vibration receiving block (27) connected with the sliding disc (26) in a sliding way is arranged on the outer side of the sliding disc, the side of the vibration receiving block (27) facing the flowmeter (13) is provided with two opposite fourth transmission rods (25), one end of the fourth transmission rod (25) far away from the vibration receiving block (27) is hinged to the third sliding rod (24), a third spring (23) which is fixedly connected with the third slide bar (24) and is fixedly connected with the third slide sleeve (22) is arranged on one side of the third slide bar (24) far away from the fourth drive rod (25), the third sliding sleeve (22) slides outside the third sliding rod (24) and is fixedly connected to the first transmission rod (8) through a third transmission rod (21) hinged with the third sliding sleeve.
5. The vortex street flowmeter as claimed in claim 1, wherein the pressure driving assembly comprises a second sliding sleeve (19) penetrating through the pipe body (6) and fixedly connected to the pipe body (6), a piston head (20) in sliding connection with the second sliding sleeve is arranged inside the second sliding sleeve (19), a second sliding rod (17) fixedly connected with the piston head (20) is arranged on one side of the piston head (20) away from the pipe body (6), a second spring (18) fixedly connected with the piston head (20) and fixedly connected to the second sliding sleeve (19) is further arranged on one side of the piston head (20) away from the pipe body (6), and the second sliding rod (17) is connected to the lifting assembly through a transmission assembly.
6. The vortex street flowmeter as claimed in claim 5, wherein the lifting assembly comprises an extension block slidably connected inside the vibration receiving block (27), a first threaded sleeve (30) fixedly connected with the extension block is arranged inside the extension block, a first threaded rod (29) in threaded connection with the first threaded sleeve (30) is arranged inside the first threaded sleeve (30), and the first threaded rod (29) penetrates through the vibration receiving block (27) to be connected with the transmission assembly.
7. A novel vortex shedding flowmeter according to claim 6, wherein the transmission assembly comprises a rack (16) fixedly connected to one side of the second slide bar (17), wherein one side of the rack (16) remote from the second slide bar (17) is provided with a gear (15) engaged with the rack (16) and fixedly connected to the second slide sleeve (19), the gear (15) is connected to a first transmission disc (9) rotatably connected to the inner side of the first transmission bar (10) through a second transmission belt (14), the first transmission disc (9) is rotatably connected to a second transmission disc arranged on one side of the slide disc (26) through a first transmission belt (8), and one side of the second transmission disc remote from the slide disc (26) is connected to the first threaded rod (29) through a bevel gear set (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110588535.5A CN113108850B (en) | 2021-05-28 | 2021-05-28 | Vortex street flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110588535.5A CN113108850B (en) | 2021-05-28 | 2021-05-28 | Vortex street flowmeter |
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| CN113108850A true CN113108850A (en) | 2021-07-13 |
| CN113108850B CN113108850B (en) | 2022-08-30 |
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| CN202110588535.5A Active CN113108850B (en) | 2021-05-28 | 2021-05-28 | Vortex street flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431556A (en) * | 2021-08-30 | 2021-09-24 | 东营浩辰石油技术开发有限公司 | Protection device for oil field flowmeter |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113108850B (en) | 2022-08-30 |
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Address after: Room 2-301B, Building 4, No. 2, Haitai Chuangxin 6th Road, Huayuan Industrial Zone (Huanwai), Binhai New Area, Tianjin, 300000 Patentee after: Tianjin Instrument (Tianjin) Co.,Ltd. Address before: No.2 plant, row 1, Xinfeng instrument yard, 300m northwest of the intersection of Xingu road and Anxing Road, Jingwu Town, Xiqing District, Tianjin Patentee before: Tianjin Instrument (Tianjin) Co.,Ltd. |