CN110940384A - Precession vortex flowmeter - Google Patents
Precession vortex flowmeter Download PDFInfo
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- CN110940384A CN110940384A CN201911182065.1A CN201911182065A CN110940384A CN 110940384 A CN110940384 A CN 110940384A CN 201911182065 A CN201911182065 A CN 201911182065A CN 110940384 A CN110940384 A CN 110940384A
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- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 239000003381 stabilizer Substances 0.000 claims abstract description 50
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 20
- 241000252254 Catostomidae Species 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 8
- 230000003139 buffering effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 239000000126 substance 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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- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a precession vortex flowmeter which comprises a pipe body, wherein the bottoms of two ends of the pipe body are both connected with a supporting mechanism, and the bottom of the outer side of the supporting mechanism and the upper parts of the two ends of the pipe body are both connected with elastic stabilizing rods. One end of the stabilizer bar is connected inside the connecting seat, the other end of the stabilizer bar is connected with the semi-ring, the end part of the stabilizer bar is fixedly connected with the first adjusting bolt inside the connecting seat, and the first adjusting bolt is connected with the connecting seat; one side of the bottom of the connecting seat is connected with a fixing bolt, and the connecting seat is connected with the pipe body and the supporting mechanism through the fixing bolt. Support mechanism is all connected through the both ends bottom at the flowmeter for in operation, the both ends in the flowmeter of treating to use are connected with outside fluid flow's pipeline respectively, utilize support mechanism to carry out good support to the body, further improve body in use's stability, and the measuring is more accurate.
Description
Technical Field
The invention relates to a flowmeter, in particular to a precession vortex flowmeter, and belongs to the application field of precession vortex flowmeters.
Background
The precession vortex flowmeter is an instrument for measuring fluid flow, and has measurement of fluid flow velocity in many industrial production processes of petroleum, chemical industry, electric power, metallurgy, mining, food, light industry and the like, and in the most widely applied industrial fields, the flow meter is one of the large categories of process automation meters and devices, and is of great importance in industrial production. The demand on the flow measurement technology is higher and higher, the flow measurement technology is promoted to be rapidly developed, and various flow meters suitable for different environments are produced.
However, the existing precession vortex meters still have certain disadvantages in use. The existing suction precession vortex flowmeter is simple in structure, low in stability performance in the using process, prone to shaking after being impacted by fluid, influenced in measurement accuracy and reduced in accuracy rate. Meanwhile, after the existing precession vortex flowmeter is connected with an external circulation pipeline, the existing precession vortex flowmeter is usually only in threaded connection with the end part, the firmness degree of the connection part is not high, and the existing precession vortex flowmeter is easy to fall off in use. And the joint can not bear larger external force, and the joint is easy to bend, break or even fall off after being subjected to the external force, so that the normal use of the precession vortex flowmeter is seriously influenced, and the safety performance in use cannot be well guaranteed.
Disclosure of Invention
The invention aims to provide a precession vortex flowmeter, which can solve the problems that the conventional precession vortex flowmeter is simple in structure, low in stability in the using process, easy to shake after being impacted by fluid, influenced in measurement accuracy and low in accuracy rate. Meanwhile, after the existing precession vortex flowmeter is connected with an external circulation pipeline, the existing precession vortex flowmeter is usually only in threaded connection with the end part, the firmness degree of the connection part is not high, and the existing precession vortex flowmeter is easy to fall off in use. And the joint can not bear larger external force, and the joint is easy to bend, break or even fall off after being subjected to the external force, so that the normal use of the precession vortex flowmeter is seriously influenced, and the safety performance in use cannot be well guaranteed.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a precession vortex flowmeter, includes the body, the both ends bottom of body all is connected with supporting mechanism, elastic stabilizer bar is all connected on the outside bottom of supporting mechanism and the both ends upper portion of body, and the impeller is all installed in the equal rotation in inside both ends of body.
One end of the stabilizer bar is connected inside the connecting seat, the other end of the stabilizer bar is connected with the semi-ring, the end part of the stabilizer bar is fixedly connected with the first adjusting bolt inside the connecting seat, and the first adjusting bolt is connected with the connecting seat; one side of the bottom of the connecting seat is connected with a fixing bolt, and the connecting seat is connected with the pipe body and the supporting mechanism through the fixing bolt.
One side of the semi-ring is connected with a plurality of anti-skid pads and buffer pads, and a plurality of second springs are connected between the bottoms of the anti-skid pads and the buffer pads and the inner wall of the semi-ring; one side of the non-slip mat, which is far away from the semi-ring, is connected with a plurality of suckers and an elastic mat.
One end of the semi-ring is provided with a mounting hole, and one end of the stabilizer bar is inserted into the mounting hole; the outer part of one end of the stabilizer bar is connected with a plurality of baffle rings, and the baffle rings are movably arranged in the mounting holes; the outer end of the inner part of the mounting hole is connected with a limiting ring, and the inner diameter of the limiting ring is smaller than that of the baffle ring; the outside cover of stabilizer bar is equipped with the cover pad, and the cover pad is installed between the inner wall of stabilizer bar and mounting hole, and the outside of cover pad and the inner wall butt of mounting hole.
The outside both sides that the body one end was kept away from to the semi-ring all are connected with the shank of bolt, and both sides between two semi-rings all are connected with the connecting plate about the one end, the middle part of connecting plate runs through along length direction and is provided with the second spout, and the tip of shank of bolt runs through the second spout and is connected with the nut.
Preferably, the supporting mechanism comprises a top plate and a bottom plate, the bottom plate is fixedly connected to the upper portion of the base, and a plurality of fixing holes penetrate through the periphery of the inside of the base.
Preferably, one side of the upper part of the top plate is in threaded connection with a positioning screw rod, and the other end of the positioning screw rod is in threaded connection with one end of the bottom of the pipe body.
Preferably, a plurality of first springs are connected between the top plate and the bottom plate, and two ends of each first spring are perpendicular to the top plate and the bottom plate.
Preferably, the two sides of the bottom of the top plate are horizontally connected with second adjusting bolts, the two sides of the upper portion of the bottom plate are vertically connected with a movable plate, a first sliding groove penetrates through the middle of the movable plate along the height direction, and the second adjusting bolts on the two sides penetrate through the first sliding groove and are connected with nuts.
Preferably, a plurality of slipmat and cushion are installed at one side of the semi-ring at intervals, and the semi-ring, the slipmat and the cushion are all arc-shaped.
Preferably, a gap is formed between the anti-slip pad and the buffer pad, the anti-slip pad and the buffer pad are arranged independently, and the buffer pad and the stabilizer bar are made of rubber materials.
Preferably, the precession vortex flowmeter uses specific steps including:
the method comprises the following steps: two ends of a pipe body in the flowmeter to be used are respectively connected with a pipeline through which external fluid flows; after the pipe body is installed, a supporting mechanism is respectively installed at the bottoms of the two ends of the pipe body; supporting the pipe body by using a supporting mechanism; when the supporting mechanism is installed, the positioning screw rod above the top plate is connected with the bottom end of the pipe body, and the positioning screw rod is screwed according to the position of an external fixed object, so that the orientation of the bottom end of the base is adjusted; simultaneously, the second adjusting bolt is unscrewed, the first spring pushes the bottom plate and the base to move downwards, and further the distance between the bottom plate and the top plate is changed until the base is contacted with an external fixed object; the base is connected and installed with an external fixed object through a plurality of fixing holes;
step two: the bottom parts of the two ends of the pipe body and the outer sides of the two end supporting mechanisms are connected with mounting connecting seats through fixing bolts; the semi-rings on the upper side and the lower side of the two ends are clamped and installed outside the circulating pipeline, a first adjusting bolt is screwed, and the inclination angles of the stabilizer bar and the semi-rings relative to the connecting seat are adjusted; simultaneously, the sleeve gasket is taken out from the inside of the mounting hole, the half rings are pushed to rotate at one end of the stabilizing rod, the positions of the half rings are changed, and the two half rings are clamped and attached to the outside of the circulating pipeline;
step three: after the semi-rings are installed, a connecting plate is installed between the side surfaces of an upper semi-ring and a lower semi-ring at one end, a bolt rod on the side surface of the semi-ring is inserted into a second sliding groove in the connecting plate, the semi-ring is pressed, and a nut is connected to the end part of the bolt rod; when the semi-rings rotate, a plurality of baffle rings outside the stabilizer bar rotate inside the mounting hole, and the baffle rings are limited by the limiting rings and cannot fall off inside the mounting hole; after the position of the half ring is adjusted, the sleeve pad is pushed into the mounting hole, and the stabilizing rod is limited;
step four: after the semi-ring is arranged outside the circulation pipeline, the anti-skid pad and the buffer pad on the inner side of the semi-ring are abutted against the outside of the circulation pipeline under the pushing of the second spring; after the anti-slip pad is contacted with the outside of the circulating pipeline, the friction force between the plurality of suckers and the elastic pads on the side surface and the outside of the circulating pipeline is increased, and the semi-rings do not slide outside the circulating pipeline.
The invention has the beneficial effects that:
1. support mechanism is all connected through the both ends bottom at the flowmeter for in operation, the both ends in the flowmeter of treating to use are connected with outside fluid flow's pipeline respectively, utilize support mechanism to carry out good support to the body, further improve body in use's stability, and the measuring is more accurate.
2. The upper part of the supporting mechanism is connected with a positioning screw rod, and the middle part of the supporting mechanism is provided with a first spring. When the supporting mechanism is installed, the positioning screw rod above the top plate can be connected with the bottom end of the pipe body, the orientation of the bottom end of the base is adjusted by screwing the positioning screw rod according to the position of an external fixed object, and the base can correspond to the external fixed object. Simultaneously, the second adjusting bolt is unscrewed, the first spring can push the bottom plate and the base to move downwards, and then the distance between the bottom plate and the top plate is changed until the base can be in contact connection with an external fixed object, so that the supporting mechanism can be stably fixed, and the supporting mechanism is not easy to shake in the use process. The supporting mechanism can be fixed at the end part of the pipe body through the positioning screw rod, the direction can be adjusted at the end part of the pipe body in a rotating mode, different installation requirements are met, and the supporting mechanism is convenient and fast to use during installation. The length of the whole supporting mechanism can be adjusted through the second adjusting bolt and the moving plate, and the first spring can play a role in pushing and buffering during adjustment, so that the stability of the supporting mechanism in use is better.
3. The installation and connection seats are connected through the bottom at the two ends of the pipe body and the outer sides of the two-end supporting mechanisms through the fixing bolts, so that the semi-rings on the upper and lower sides of the two ends can be clamped and connected outside the circulation pipeline in work, and the inclination angles of the stabilizer bar and the semi-rings relative to the connection seats are adjusted to adapt to the position of the circulation pipeline. Simultaneously take out the cover pad from the inside of mounting hole, promote the semi-ring and rotate in the one end of stabilizer bar, the position of semi-ring obtains changing, and the joint laminating that two semi-rings can be stable is not restricted by the direction of connecting seat in the outside of circulation pipeline, installs convenient and fast more.
4. Through the connecting plate of installation between two semi-rings for the semi-ring installation back can be at the one end between the side of two semi-rings installation connecting plate about, during the shank of bolt grafting of semi-ring side enters into the inside second spout of connecting plate, and then makes the stable installation of connecting plate between two semi-rings, carries out good fixed to two semi-rings. The outside a plurality of fender ring of stabilizer bar rotates in the inside of mounting hole, keeps off the restriction that the ring received the spacing ring, is difficult for droing in the inside of mounting hole, and makes the stabilizer bar be difficult for rocking in the inside of mounting hole. After the position adjustment of semi-ring finishes, promote the inside that enters into the mounting hole with the cover pad, carry on spacingly to the stabilizer bar for stabilizer bar in use can not rotate, can stably support the semi-ring.
5. Through internally mounted slipmat and the cushion at the semi-ring for the semi-ring is installed in circulation pipeline's outside back, and the slipmat and the cushion of semi-ring inboard can with the outside inseparable butt of circulation pipeline under the promotion of second spring, utilize the second spring to adapt to not unidimensional circulation pipeline, and the semi-ring installation is convenient and fast more. The second spring and the buffer pad can play a role in damping and buffering in work, so that the vibration force between the half ring and the circulation pipeline and the shaking amplitude of fluid flowing between the pipe body and the circulation pipeline are reduced, the flowmeter is more stable in use, and the measuring accuracy is higher. After the slipmat contacts with the outside of circulation pipeline, a plurality of sucking disc and a plurality of cushion of side and the outside frictional force of circulation pipe increase, and the semi-ring is difficult for sliding in the circulation pipeline outside, and stability can be better, is difficult for droing in the use. The semi-ring can be used for increasing the connection stability between the flowmeter and an external circulation pipeline, so that the flowmeter is more accurate in measurement in use and is safer and less prone to damage in use.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connecting seat structure of the present invention.
FIG. 3 is a schematic structural diagram of the supporting mechanism of the present invention.
Fig. 4 is an enlarged detail view of a point a in fig. 3 according to the present invention.
FIG. 5 is a schematic diagram of a half-ring structure according to the present invention.
FIG. 6 is a schematic view of the non-slip mat of the present invention.
FIG. 7 is a schematic diagram of the inner structure of the half-ring according to the present invention.
FIG. 8 is a schematic view of the connecting plate structure of the present invention.
Fig. 9 is a schematic view of the internal structure of the tube of the present invention.
In the figure: 1. a pipe body; 2. a stabilizer bar; 3. a half ring; 4. a support mechanism; 5. a connecting plate; 6. a bolt shank; 7. a connecting seat; 8. fixing the bolt; 9. a first adjusting bolt; 10. a fixing hole; 11. a base plate; 12. a base; 13. a first spring; 14. a top plate; 15. moving the plate; 16. a first chute; 17. positioning a screw rod; 18. a second adjusting bolt; 19. a second spring; 20. a cushion pad; 21. a non-slip mat; 22. a suction cup; 23. an elastic pad; 24. mounting holes; 25. sleeving a cushion; 26. a limiting ring; 27. a baffle ring; 28. second runner, 29, impeller.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Referring to fig. 1-9, a precession vortex flowmeter includes a tube 1, wherein the bottom of the two ends of the tube 1 are both connected with a supporting mechanism 4, the bottom of the outer side of the supporting mechanism 4 and the upper portions of the two ends of the tube 1 are both connected with an elastic stabilizer bar 2, and both ends of the inside of the tube 1 are rotatably mounted with impellers 29;
one end of the stabilizer bar 2 is connected inside the connecting seat 7, the other end of the stabilizer bar is connected with the half ring 3, the end part of the stabilizer bar 2 is fixedly connected with a first adjusting bolt 9 inside the connecting seat 7, and the first adjusting bolt 9 is connected with the connecting seat 7; one side of the bottom of the connecting seat 7 is connected with a fixing bolt 8, and the connecting seat 7 is connected with the pipe body 1 and the supporting mechanism 4 through the fixing bolt 8;
one side of the half ring 3 is connected with a plurality of anti-skid pads 21 and a plurality of buffer pads 20, and a plurality of second springs 19 are connected between the bottoms of the anti-skid pads 21 and the buffer pads 20 and the inner wall of the half ring 3; one side of the antiskid pad 21, which is far away from the half ring 3, is connected with a plurality of suckers 22 and elastic pads 23;
one end of the half ring 3 is provided with a mounting hole 24, and one end of the stabilizer bar 2 is inserted in the mounting hole 24; the outer part of one end of the stabilizer bar 2 is connected with a plurality of baffle rings 27, and the baffle rings 27 are movably arranged in the mounting holes 24; the inner outer end of the mounting hole 24 is connected with a limiting ring 26, and the inner diameter of the limiting ring 26 is smaller than that of the stop ring 27; a sleeve gasket 25 is sleeved outside the stabilizer bar 2, the sleeve gasket 25 is installed between the stabilizer bar 2 and the inner wall of the installation hole 24, and the outer part of the sleeve gasket 25 is abutted against the inner wall of the installation hole 24;
the outside both sides that body 1 one end was kept away from to semi-ring 3 all are connected with shank of bolt 6, and the both sides between two semi-rings 3 all are connected with connecting plate 5 about the one end, and the middle part of connecting plate 5 runs through along length direction and is provided with second spout 28, and the tip of shank of bolt 6 runs through second spout 28 and is connected with the nut.
Supporting mechanism 4 includes roof 14 and bottom plate 11, and bottom plate 11 fixed connection is on the upper portion of base 12, and the inside of base 12 is run through all around and is provided with a plurality of fixed orifices 10, and roof 14 and bottom plate 11 can adjust supporting mechanism 4's length, adapt to different installation demands.
One side of the upper part of the top plate 14 is in threaded connection with a positioning screw rod 17, the other end of the positioning screw rod 17 is in threaded connection with one end of the bottom of the pipe body 1, and the supporting mechanism 4 can be connected with the pipe body 1 through the positioning screw rod 17 and can adjust the direction in installation.
A plurality of first springs 13 are connected between the top plate 14 and the bottom plate 11, two ends of each first spring 13 are perpendicular to the top plate 14 and the bottom plate 11, and the first springs 13 can play a role in shock absorption and buffering in work.
The equal horizontally connected with second adjusting bolt 18 in bottom both sides of roof 14, the equal vertical movable plate 15 that is connected with in top both sides of bottom plate 11, the middle part of movable plate 15 runs through along the direction of height and is provided with first spout 16, and the second adjusting bolt 18 of both sides all runs through first spout 16 and is connected with the nut, and second adjusting bolt 18 moves in the inside of movable plate 15, can adjust the distance between roof 14 and the bottom plate 11, adapts to different installation demands.
A plurality of slipmat 21 and cushion 20 are installed at the mutual interval in one side of semi-ring 3, and semi-ring 3, slipmat 21 and cushion 20 all are the arc setting, and the arc setting can laminate more with the outside of pipeline.
A gap is formed between the anti-slip pad 21 and the buffer pad 20, the anti-slip pad and the buffer pad are arranged independently, and the buffer pad 20 and the stabilizer bar 2 are made of rubber.
The precession vortex flowmeter comprises the following specific steps:
the method comprises the following steps: two ends of a pipe body 1 in the flowmeter to be used are respectively connected with a pipeline for external fluid to flow; after the pipe body 1 is installed, the bottom parts of the two ends of the pipe body are respectively provided with a supporting mechanism 4; the pipe body 1 is supported by a supporting mechanism 4; when the supporting mechanism 4 is installed, the positioning screw 17 above the top plate 14 is connected with the bottom end of the pipe body 1, and the positioning screw 17 is screwed according to the position of an external fixed object, so that the orientation of the bottom end of the base 12 is adjusted; simultaneously, the second adjusting bolt 18 is unscrewed, the first spring 13 pushes the bottom plate 11 and the base 12 to move downwards, and further, the distance between the bottom plate 11 and the top plate 14 is changed until the base 12 is contacted with an external fixed object; the base 12 is connected with an external fixed object through a plurality of fixing holes 10;
step two: the bottom of the two ends of the pipe body 1 and the outer sides of the two end supporting mechanisms 4 are connected with an installation connecting seat 7 through fixing bolts 8; the semi-rings 3 on the upper side and the lower side of the two ends are clamped and installed outside the circulating pipeline, a first adjusting bolt 9 is screwed, and the inclination angles of the stabilizer bar 2 and the semi-rings 3 relative to the connecting seat 7 are adjusted; simultaneously, the sleeve gasket 25 is taken out from the inside of the mounting hole 24, the half rings 3 are pushed to rotate at one ends of the stabilizing rods 2, the positions of the half rings 3 are changed, and the two half rings 3 are clamped and attached to the outside of the circulating pipeline;
step three: after the semi-rings 3 are installed, a connecting plate 5 is installed between the side surfaces of the upper semi-ring 3 and the lower semi-ring 3 at one end, the bolt rods 6 on the side surfaces of the semi-rings 3 are inserted into second sliding grooves 28 in the connecting plate 5, the semi-rings 3 are pressed, and nuts are connected to the end portions of the bolt rods 6; when the half ring 3 rotates, a plurality of baffle rings 27 outside the stabilizer bar 2 rotate inside the mounting hole 24, and the baffle rings 27 are limited by the limiting ring 26 and cannot fall off inside the mounting hole 24; after the position of the half ring 3 is adjusted, the sleeve pad 25 is pushed into the mounting hole 24 to limit the stabilizer bar 2;
step four: after the half ring 3 is installed outside the circulation pipeline, the anti-skid pad 21 and the buffer pad 20 inside the half ring 3 are pushed by the second spring 19 to abut against the outside of the circulation pipeline; after the anti-slip mat 21 contacts with the outside of the circulation pipeline, the friction force between the plurality of suckers 22 and the plurality of elastic mats 23 on the side surface and the outside of the circulation pipeline is increased, and the half ring 3 does not slide on the outside of the circulation pipeline.
When the invention is used, two ends of a pipe body 1 in a flowmeter to be used are respectively connected with a pipeline for external fluid to flow. After the pipe body 1 is installed, a supporting mechanism 4 is respectively installed at the bottoms of the two ends of the pipe body. Utilize supporting mechanism 4 can carry out good support to body 1, further improve the stability of body 1 in use, measured more accurate.
When the supporting mechanism 4 is installed, the positioning screw 17 above the top plate 14 is connected with the bottom end of the pipe body 1, and the positioning screw 17 is screwed according to the position of an external fixed object, so that the orientation of the bottom end of the base 12 is adjusted, and the base 12 can correspond to the external fixed object. Simultaneously, the second adjusting bolt 18 is unscrewed, the first spring 13 pushes the bottom plate 11 and the base 12 to move downwards, then the distance between the bottom plate 11 and the top plate 14 is changed until the base 12 can be in contact with an external fixed object, the base 12 is connected and installed with the external fixed object through the plurality of fixing holes 10, and then the supporting mechanism 4 can be stably fixed, and is not easy to shake in the using process. Supporting mechanism 4 can be fixed at the end of body 1 through positioning screw 17, and can rotate at the tip of body 1 and adjust the direction, adapts to different installation demands, and is convenient and fast more in the installation. The length of the whole supporting mechanism 4 can be adjusted through the second adjusting bolt and the moving plate 15, and the first spring 13 can play a role in pushing and buffering during adjustment, so that the stability of the supporting mechanism 4 in use is better.
The bottom of the two ends of the pipe body 1 and the outer sides of the two end supporting mechanisms 4 are connected with the installation and connection seat 7 through the fixing bolt 8. The semi-rings 3 on the upper side and the lower side of the two ends are clamped and installed outside the circulating pipeline, the first adjusting bolt 9 is screwed, and the inclination angles of the stabilizer bar 2 and the semi-rings 3 relative to the connecting seat 7 are adjusted to adapt to the position of the circulating pipeline. Simultaneously take out cover pad 25 from the inside of mounting hole 24, promote half ring 3 and rotate at the one end of stabilizer bar 2, the position of half ring 3 obtains changing, and the joint laminating that two half rings 3 can be stable is in the outside of circulation pipeline, does not receive the direction restriction of connecting seat 7, installs convenient and fast more.
After the semi-rings 3 are installed, the connecting plate 5 is installed between the side surfaces of the upper semi-ring 3 and the lower semi-ring 3 at one end, the bolt rods 6 on the side surfaces of the semi-rings 3 are inserted into the second sliding grooves 28 in the connecting plate 5, the semi-rings 3 are pressed, nuts are connected to the end portions of the bolt rods 6, the connecting plate 5 is further stably installed between the two semi-rings 3, and the two semi-rings 3 are well fixed. When the half ring 3 rotates, a plurality of baffle rings 27 outside the stabilizer bar 2 rotate in the mounting hole 24, the baffle rings 27 are limited by the limiting rings 26, are not easy to fall off in the mounting hole 24, and the stabilizer bar 2 is not easy to shake in the mounting hole 24. After the position of the half ring 3 is adjusted, the sleeve pad 25 is pushed into the mounting hole 24 to limit the stabilizer bar 2, so that the stabilizer bar 2 cannot rotate in use and can stably support the half ring 3.
After the semi-ring 3 is installed outside the circulation pipeline, the anti-slip pad 21 and the buffer pad 20 on the inner side of the semi-ring 3 are pushed by the second spring 19 to abut against the outside of the circulation pipeline tightly, the circulation pipeline with different sizes can be adapted by the second spring 19, and the semi-ring 3 is installed more conveniently and rapidly. The second spring 19 and the buffer pad 20 can play a role of shock absorption and buffering in work, so that the vibration force between the half ring 3 and the circulation pipeline and the shaking amplitude of fluid flowing between the pipe body 1 and the circulation pipeline are reduced, the flowmeter is more stable in use, and the measurement accuracy is higher.
After the anti-slip pad 21 is contacted with the outside of the circulation pipeline, the friction force between the plurality of suckers 22 and the plurality of elastic pads 23 on the side surface and the outside of the circulation pipeline is increased, the semi-ring 3 is not easy to slide outside the circulation pipeline, the stability is better, and the semi-ring is not easy to fall off in use. The semi-ring 3 can be used for increasing the connection stability between the flowmeter and an external circulation pipeline, so that the flowmeter is more accurate in measurement in use and is safer and less prone to damage in use.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The precession vortex flowmeter is characterized by comprising a pipe body (1), wherein the bottoms of two ends of the pipe body (1) are respectively connected with a supporting mechanism (4), the bottom of the outer side of each supporting mechanism (4) and the upper parts of two ends of the pipe body (1) are respectively connected with an elastic stabilizing rod (2), and impellers (29) are rotatably mounted at two ends of the inner part of the pipe body (1);
one end of the stabilizer bar (2) is connected to the inside of the connecting seat (7), the other end of the stabilizer bar is connected with the semi-ring (3), the end part of the stabilizer bar (2) is fixedly connected with a first adjusting bolt (9) in the connecting seat (7), and the first adjusting bolt (9) is connected with the connecting seat (7); one side of the bottom of the connecting seat (7) is connected with a fixing bolt (8), and the connecting seat (7) is connected with the pipe body (1) and the supporting mechanism (4) through the fixing bolt (8);
one side of the half ring (3) is connected with a plurality of anti-skid pads (21) and buffer pads (20), and a plurality of second springs (19) are connected between the bottoms of the anti-skid pads (21) and the buffer pads (20) and the inner wall of the half ring (3); one side of the non-slip mat (21) far away from the semi-ring (3) is connected with a plurality of suckers (22) and elastic mats (23);
one end of the half ring (3) is provided with a mounting hole (24), and one end of the stabilizer bar (2) is inserted into the mounting hole (24); a plurality of baffle rings (27) are connected to the outer part of one end of the stabilizer bar (2), and the baffle rings (27) are movably arranged in the mounting holes (24); the outer end of the inner part of the mounting hole (24) is connected with a limiting ring (26), and the inner diameter of the limiting ring (26) is smaller than that of the baffle ring (27); the outer part of the stabilizer bar (2) is sleeved with a sleeve gasket (25), the sleeve gasket (25) is installed between the stabilizer bar (2) and the inner wall of the installation hole (24), and the outer part of the sleeve gasket (25) is abutted to the inner wall of the installation hole (24);
the outer two sides of one end, away from the pipe body (1), of the half rings (3) are connected with bolt rods (6), two sides between the two half rings (3) are connected with connecting plates (5), the middle of each connecting plate (5) penetrates through a second sliding groove (28) in the length direction, and the end portions of the bolt rods (6) penetrate through the second sliding grooves (28) and are connected with nuts.
2. A precession vortex flowmeter according to claim 1, characterised in that the support means (4) comprises a top plate (14) and a bottom plate (11), and the bottom plate (11) is fixedly connected to the upper part of the base (12), and a plurality of fixing holes (10) are provided through the inner periphery of the base (12).
3. A precession vortex flowmeter according to claim 1, characterised in that a positioning screw (17) is screwed to one side of the upper part of the top plate (14), and the other end of the positioning screw (17) is screwed to one end of the bottom of the pipe body (1).
4. A precession vortex flowmeter according to claim 1, characterised in that a number of first springs (13) are connected between the top plate (14) and the bottom plate (11), the ends of the first springs (13) being perpendicular to the top plate (14) and the bottom plate (11).
5. The precession vortex flowmeter according to claim 1, wherein the top plate (14) is horizontally connected with second adjusting bolts (18) at both sides of the bottom, the bottom plate (11) is vertically connected with moving plates (15) at both sides of the top, the middle part of the moving plates (15) is provided with a first sliding groove (16) in a penetrating way along the height direction, and the second adjusting bolts (18) at both sides are connected with nuts through the first sliding groove (16).
6. A precession vortex flowmeter according to claim 1, characterised in that several said anti-slip pads (21) and cushioning pads (20) are mounted at a distance from each other on one side of the half ring (3), and the half ring (3), anti-slip pads (21) and cushioning pads (20) are all arc-shaped.
7. A precession vortex flowmeter according to claim 1, characterised in that a gap is provided between the non-slip pad (21) and the cushion pad (20), the gaps being independent of each other, and the cushion pad (20) and the stabiliser bar (2) being made of rubber.
8. A precession vortex flowmeter according to claim 1 characterised in that it uses specific steps comprising:
the method comprises the following steps: two ends of a pipe body (1) in the flowmeter to be used are respectively connected with a pipeline through which external fluid flows; after the pipe body (1) is installed, a supporting mechanism (4) is respectively installed at the bottoms of the two ends of the pipe body; the pipe body (1) is supported by a supporting mechanism (4); when the supporting mechanism (4) is installed, a positioning screw (17) above the top plate (14) is connected with the bottom end of the pipe body (1), and the positioning screw (17) is screwed according to the position of an external fixed object, so that the orientation of the bottom end of the base (12) is adjusted; simultaneously, the second adjusting bolt (18) is unscrewed, the first spring (13) pushes the bottom plate (11) and the base (12) to move downwards, and further, the distance between the bottom plate (11) and the top plate (14) is changed until the base (12) is contacted with an external fixed object; the base (12) is connected and installed with an external fixed object through a plurality of fixing holes (10);
step two: the bottoms of the two ends of the pipe body (1) and the outer sides of the two-end supporting mechanisms (4) are connected with an installation connecting seat (7) through fixing bolts (8); the semi-rings (3) on the upper side and the lower side of the two ends are clamped and installed outside the circulating pipeline, a first adjusting bolt (9) is screwed, and the inclination angles of the stabilizer bar (2) and the semi-rings (3) relative to the connecting seat (7) are adjusted; simultaneously, the sleeve gasket (25) is taken out from the inside of the mounting hole (24), the semi-rings (3) are pushed to rotate at one end of the stabilizing rod (2), the positions of the semi-rings (3) are changed, and the two semi-rings (3) are clamped and attached to the outside of the circulating pipeline;
step three: after the semi-rings (3) are installed, a connecting plate (5) is installed between the side surfaces of an upper semi-ring (3) and a lower semi-ring (3) at one end, a bolt rod (6) on the side surface of the semi-ring (3) is inserted into a second sliding groove (28) in the connecting plate (5), the semi-ring (3) is pressed, and a nut is connected to the end part of the bolt rod (6); when the half rings (3) rotate, a plurality of baffle rings (27) outside the stabilizer bar (2) rotate inside the mounting hole (24), and the baffle rings (27) are limited by the limiting ring (26) and cannot fall off inside the mounting hole (24); after the position of the half ring (3) is adjusted, the sleeve gasket (25) is pushed into the mounting hole (24) to limit the stabilizer bar (2);
step four: after the semi-ring (3) is installed outside the circulation pipeline, the anti-skid pad (21) and the buffer pad (20) on the inner side of the semi-ring (3) are abutted against the outside of the circulation pipeline under the pushing of the second spring (19); after the anti-skid pad (21) is contacted with the outside of the circulation pipeline, the friction force between the plurality of suckers (22) and the plurality of elastic pads (23) on the side surface and the outside of the circulation pipeline is increased, and the semi-ring (3) does not slide outside the circulation pipeline.
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| CN201911182065.1A CN110940384B (en) | 2019-11-27 | 2019-11-27 | Precession vortex flowmeter and use method thereof |
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| CN113884155A (en) * | 2021-08-27 | 2022-01-04 | 泉州日新流量仪器仪表有限公司 | Flowmeter overload prevention device and flowmeter |
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| CN110940384B (en) | 2020-11-06 |
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