CN211954275U - Wedge-shaped flowmeter - Google Patents
Wedge-shaped flowmeter Download PDFInfo
- Publication number
- CN211954275U CN211954275U CN202020675804.2U CN202020675804U CN211954275U CN 211954275 U CN211954275 U CN 211954275U CN 202020675804 U CN202020675804 U CN 202020675804U CN 211954275 U CN211954275 U CN 211954275U
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- Prior art keywords
- wedge
- section
- flowmeter
- pressure
- voussoir
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- Expired - Fee Related
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- 238000005259 measurement Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a wedge flowmeter, including casing and measuring tube, measuring tube divide into first pressure section, wedge section and second in proper order and gets the pressure section, wedge section both ends are got respectively with first pressure section and second and are adopted threaded connection between the pressure section, the wedge section outside of casing is equipped with and measures the communicating guide cylinder of pipeline, sliding connection voussoir in the guide cylinder, set up the push rod on the voussoir, stretch into the length in the measuring tube through the adjustable voussoir of adjusting the push rod. The utility model discloses a detachable construction, spare part segmentation processing and installation when the spare part appears damaging, then change damage part section can, compare traditional appearance damage part and need all change, the utility model discloses it is more convenient to use, and use cost also can reduce.
Description
Technical Field
The utility model discloses a wedge flowmeter relates to the measurement technical field of flow.
Background
The wedge-shaped flowmeter is a novel throttling differential pressure type flow measuring instrument, and can perform high-precision flow measurement under the conditions of high-viscosity and low Reynolds number (the Reynolds number is more than 500 and can be used); the flow measurement device has incomparable advantages and irreplaceable effects on flow measurement occasions with low flow rate, small flow and large pipe diameter. However, the wedge ratio of the wedge-shaped flowmeter is designed and welded at one time, the wedge block cannot be replaced like a pore plate, on one hand, the flow value is often too large due to the design, and the actual flow is too small after the wedge-shaped flowmeter is installed and is not in the flow measurement range of the flowmeter; on the other hand, the flow rate exceeds the measuring range along with the increase of the production capacity, and is difficult to adjust.
Although the wedge-shaped flowmeter has the functions of flow guiding and blockage prevention, dirt accumulation happens at last, and the measurement accuracy is influenced. The conventional wedge-shaped flowmeter is relatively complex in processing steps and integrally processed, and when one part of the wedge-shaped flowmeter is damaged, the whole wedge-shaped flowmeter needs to be replaced, so that the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the defect among the above-mentioned background art, provide a wedge flowmeter, application scope is wide, and the precision is high.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a wedge flowmeter, includes casing and measuring tube, measuring tube divide into in proper order first pressure section, wedge section and second and gets the pressure section, wedge section both ends respectively with first pressure section and the second of getting adopt threaded connection between the pressure section, the wedge section outside of casing is equipped with and measures the communicating guide cylinder of pipeline, sliding connection voussoir in the guide cylinder, set up the push rod on the voussoir, through the adjustable voussoir length of stretching into in the measuring tube of adjusting the push rod.
Furthermore, one side of a push rod outside the guide cylinder is connected with one end of a cross rod, the other end of the cross rod is connected to the upper portion of the screw rod through a bearing, the lower portion of the screw rod is connected with a first mounting seat mounted on a wedge block section of the shell in a rotating mode, the relative position between the first mounting seat and the screw rod can be adjusted by rotating the screw rod, and therefore the push rod is driven by the cross rod to move up and down, and finally the wedge block is pushed to be adjusted in the up and down position.
Furthermore, a transverse scale is arranged on a push rod outside the guide cylinder, a second mounting seat is mounted on a wedge block section of the shell, a scale is arranged on the surface, opposite to the scale, of the second mounting seat, the scale is a flow measurement range, wedge block position adjustment is carried out according to actual measurement requirements, and the range of application occasions is wide.
Furthermore, set up first pressure port and second pressure port on first pressure section and the second pressure section of getting respectively, be provided with the internal thread on first pressure port and the second pressure port of getting, the manometer of easy to assemble.
Furthermore, mounting flanges are respectively arranged on two sides of the shell, and flange holes are formed in the mounting flanges.
Furthermore, the first pressure taking section and the second pressure taking section are of a symmetrical structure.
Furthermore, an anti-corrosion coating is arranged inside the measuring pipeline, the anti-corrosion coating is a Teflon coating, the Teflon coating can be continuously used at 260 ℃, and has the highest use temperature of 290 ℃ and 300 ℃, an extremely low friction coefficient, good wear resistance and excellent chemical stability.
Further, the shell is a stainless steel tube.
Has the advantages that: 1. the utility model discloses a detachable construction, spare part segmentation processing and installation when the spare part appears damaging, then change damage part section can, compare traditional appearance damage part and need all to change, the utility model discloses it is more convenient, use cost also can reduce.
2. The utility model provides a can not change the problem of flow measurement scope, through adjusting the voussoir, change operating parameter, reach the purpose of adjusting flow measurement scope, it is wide to be suitable for the occasion scope, has practical reliable, simple and convenient characteristics.
3. The utility model discloses because the voussoir section is removable, convenient dismantlement back like this, the dirty filth of clearance survey pipeline.
4. The utility model discloses the anticorrosive coating is kept apart medium and measuring tube inside, can not cause the corruption of wedge flowmeter, has increased the stable performance and the life of flowmeter, is dismantling the wedge section back simultaneously, can clear up and maintain the inside spare part of measuring tube again.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
One embodiment as shown in fig. 1: the utility model provides a wedge flowmeter, includes casing 1 and measuring tube 2, measuring tube 2 divide into in proper order first pressure section 3, voussoir section 4 and second pressure section 5 of getting, 4 both ends of voussoir section adopt threaded connection with first pressure section 3 and second pressure section 5 of getting respectively between, 4 outsides of voussoir section of casing 1 are equipped with and measure the communicating guide cylinder 6 of pipeline 2, sliding connection voussoir 7 in the guide cylinder 6, set up push rod 8 on the voussoir 7, through the length that 8 adjustable voussoir 7 of adjusting push rod stretched into in the measuring tube 2.
One side of a push rod 8 outside the guide cylinder 6 is connected with one end of a cross rod 9, the other end of the cross rod 9 is connected to the upper portion of a screw rod 10 through a bearing, the lower portion of the screw rod 10 is connected with a first mounting seat 11 mounted on a wedge block section 4 of the shell 1 in a rotating mode, the relative position between the first mounting seat 11 and the screw rod 10 can be adjusted by rotating the screw rod 10, and therefore the push rod 8 is driven to move up and down through the cross rod 9, and finally the wedge block 7 is pushed to move up and down.
Set up horizontal scale 13 on the push rod 8 of guide cylinder 6 outside, installation second mount pad 12 on the voussoir section 4 of casing 1, the face that second mount pad 12 and scale 13 are relative sets up the scale, the scale is flow measurement scope.
Set up first pressure port 14 and second pressure port 15 on first pressure section 3 and the second pressure section 5 respectively, be provided with the internal thread on first pressure port 14 and the second pressure port 15, the manometer of easy to assemble.
And two sides of the shell 1 are respectively provided with a flange 16, and the flange 16 is provided with a flange hole.
The first pressure taking section 3 and the second pressure taking section 5 are of symmetrical structures.
The anti-corrosion coating is arranged inside the measuring pipeline 2 and can be continuously used at 260 ℃, and has the highest use temperature of 290-300 ℃, extremely low friction coefficient, good wear resistance and excellent chemical stability.
The shell 1 is a stainless steel tube.
The utility model discloses a detachable construction, spare part segmentation processing and installation when the spare part appears damaging, then change damage part section can, compare traditional appearance damage part and need all to change, the utility model discloses it is more convenient, use cost also can reduce.
The utility model provides a can not change the problem of flow measurement scope, through adjusting the voussoir, change operating parameter, reach the purpose of adjusting the flow measurement scope, have practical reliable, simple and convenient characteristics.
The utility model discloses because the voussoir section is removable, convenient dismantlement back like this, the dirty filth of clearance survey pipeline.
The utility model discloses the anticorrosive coating is kept apart medium and measuring tube inside, can not cause the corruption of wedge flowmeter, has increased the stable performance and the life of flowmeter, is dismantling the wedge section back simultaneously, can clear up and maintain the inside spare part of measuring tube again (spout the anticorrosive coating again).
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a wedge flowmeter, its characterized in that, includes casing and measuring tube, measuring tube divide into first pressure section, wedge block section and second in proper order and gets the pressure section, wedge block section both ends respectively with first pressure section and second get and adopt threaded connection between the pressure section, the wedge block section outside of casing is equipped with and measures the communicating guide cylinder of pipeline, sliding connection voussoir in the guide cylinder, set up the push rod on the voussoir, through the adjustable voussoir length of stretching into in the measuring tube of adjusting the push rod.
2. The wedge flowmeter of claim 1, wherein the push rod side outside the guide cylinder is connected to one end of a cross bar, the other end of the cross bar is connected to the upper portion of a screw through a bearing, and the lower portion of the screw is connected to a first mounting seat mounted to a wedge section of the housing.
3. The wedge-shaped flowmeter as claimed in claim 1, wherein a transverse scale is provided on the push rod outside the guide cylinder, a second mounting seat is provided on the wedge block section of the housing, and a scale is provided on a surface of the second mounting seat opposite to the scale.
4. The wedge flow meter of claim 1, wherein the first pressure tap and the second pressure tap are provided with a first pressure tap and a second pressure tap, respectively, and wherein the first pressure tap and the second pressure tap are provided with internal threads.
5. The wedge-shaped flowmeter as claimed in claim 1, wherein mounting flanges are respectively provided on both sides of said housing, and said mounting flanges are provided with flange holes.
6. The wedge flowmeter of claim 1 wherein said first pressure tap and said second pressure tap are symmetrical to each other.
7. The wedge flowmeter of claim 1, wherein an anti-corrosion coating is disposed inside said measurement conduit, said anti-corrosion coating being a teflon coating.
8. The wedge flowmeter of claim 1 wherein said housing is a stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675804.2U CN211954275U (en) | 2020-04-28 | 2020-04-28 | Wedge-shaped flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675804.2U CN211954275U (en) | 2020-04-28 | 2020-04-28 | Wedge-shaped flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211954275U true CN211954275U (en) | 2020-11-17 |
Family
ID=73162315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020675804.2U Expired - Fee Related CN211954275U (en) | 2020-04-28 | 2020-04-28 | Wedge-shaped flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211954275U (en) |
-
2020
- 2020-04-28 CN CN202020675804.2U patent/CN211954275U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |