CN207335799U - A kind of telescopic wing multipoint stream gauge - Google Patents
A kind of telescopic wing multipoint stream gauge Download PDFInfo
- Publication number
- CN207335799U CN207335799U CN201721165548.7U CN201721165548U CN207335799U CN 207335799 U CN207335799 U CN 207335799U CN 201721165548 U CN201721165548 U CN 201721165548U CN 207335799 U CN207335799 U CN 207335799U
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- CN
- China
- Prior art keywords
- positive pressure
- trunnion
- negative pressure
- sampling
- inner tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of telescopic wing multipoint stream gauge, including casing and connecting plate, positive pressure sampling point assembly and sampling below atmospheric pressure point assembly are provided between the upper plate and connecting plate of casing, the both sides of positive pressure sampling point assembly are communicated with positive pressure trunnion, the other end of positive pressure trunnion is communicated with positive pressure pipe, the both ends of positive pressure pipe have positive pressure sample point, the both sides of sampling below atmospheric pressure point assembly are communicated with negative pressure trunnion, the other end of negative pressure trunnion has the flow direction of negative pressure taking sampling point, positive pressure sample point and negative pressure taking sampling point face fluid；Positive pressure trunnion includes inner tube, and inner tube hypomere outer sheath is equipped with outer tube, is provided with electronic control cylinder on the outside of inner tube epimere, the connecting rod of electronic control cylinder is connected with outer tube, and the outside of inner and outer tubes is set with telescopic sleeve jointly；The structure of negative pressure trunnion is identical with positive pressure trunnion.Telescopic wing multipoint stream gauge provided by the utility model, can realize the structure proportion adjustment of sampling main body, low suitable for a variety of different fluid media (medium)s, use cost.
Description
Technical field
It the utility model is related to a kind of flowmeter, more particularly to a kind of wider array of telescopic wing multi-point flux of scope of application
Meter.
Background technology
Flue gas flow measuring device used in state's electricity thermal power plant has many kinds, wherein cigarette before and after Denitration in Boiler at present
Road, coal pipe, the air passage containing high dust due to be measured pipeline ash quantity it is big or containing a large amount of coal dusts, temperature is high, wear-resisting difference, make
Used time, all there are the problem of following aspect：Stifled ash plugging is serious, influences device normal use；Data inaccuracy influence system is thrown
Automatically.
For the above situation, the flow used at present is calculated as wing multipoint stream gauge, and anti-blocking performance is extremely strong, but wing more
The structure proportion that the shortcomings that point flowmeter is to sample main body is fixed, and is not suitable for a variety of different fluid media (medium)s, use cost
It is high.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of telescopic wing multi-point flux
Meter is low suitable for a variety of different fluid media (medium)s, use cost.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
A kind of telescopic wing multipoint stream gauge, including casing and connecting plate, the upper plate of described sleeve pipe and the connecting plate
Between be provided with positive pressure sampling point assembly and sampling below atmospheric pressure point assembly, the both sides of the positive pressure sampling point assembly have been respectively communicated with just
One end of trunnion is pressed, the other end of positive pressure trunnion is communicated with positive pressure pipe described in per side, and the both ends of the positive pressure pipe have
Positive pressure sample point, the both sides of the sampling below atmospheric pressure point assembly are respectively communicated with one end of negative pressure trunnion, negative pressure trunnion described in per side
The other end there is the flow direction of negative pressure taking sampling point, the positive pressure sample point and the equal face fluid of the negative pressure taking sampling point；
The positive pressure trunnion includes inner tube, and the hypomere outer sheath of said inner tube is equipped with outer tube, electricity is provided with the outside of the epimere of said inner tube
Cylinder is controlled, the connecting rod of the electronic control cylinder is connected with the outer tube, and the outside of said inner tube and outer tube is set with flexible jointly
Casing；The structure of the negative pressure trunnion is identical with the structure of the positive pressure trunnion.
Further, the upper plate of described sleeve pipe has been bolted to connection cover board, between the cover board and the upper plate
It is provided with gasket.
Further, stent is provided with below the connecting plate, the stent matches with default positioning sleeve on pipeline
Close.
Further, said inner tube and outer tube be slidably connected place and the telescopic sleeve respectively with inner and outer tubes
Junction is both provided with seal.
Further, it is connected with bracing piece between described sleeve pipe and the connecting plate.
A kind of telescopic wing multipoint stream gauge of the utility model, can realize the structure proportion adjustment of sampling main body, fit
It is low for a variety of different fluid media (medium)s, use cost.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 is the schematic front view of the utility model；
Fig. 2 is the schematic side view of the utility model；
Fig. 3 is the schematic cross-sectional view of positive pressure trunnion or negative pressure trunnion in the utility model.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
As shown in Figure 1, 2, 3, a kind of telescopic wing multipoint stream gauge, including casing 1 and connecting plate 2, the upper plate of casing 1
Positive pressure sampling point assembly 3 and sampling below atmospheric pressure point assembly 4, the both sides difference of positive pressure sampling point assembly 3 are provided between connecting plate 2
One end of positive pressure trunnion 5 is communicated with, positive pressure pipe 6, the both ends of positive pressure pipe 6 are communicated with per the other end of side positive pressure trunnion 5
With positive pressure sample point 7, the both sides of sampling below atmospheric pressure point assembly 4 are respectively communicated with one end of negative pressure trunnion 8, per side negative pressure trunnion 8
The other end there is the flow direction of negative pressure taking sampling point 9, positive pressure sample point 7 and the equal face fluid of negative pressure taking sampling point 9；Positive pressure larynx
Pipe 5 includes inner tube 10, and the hypomere outer sheath of inner tube 10 is equipped with outer tube 11, electronic control cylinder 12 is provided with the outside of the epimere of inner tube 10,
The connecting rod 13 of electronic control cylinder 12 is connected with outer tube 11, and the outside of inner tube 10 and outer tube 11 is set with telescopic sleeve 14 jointly；It is negative
Press the structure of trunnion 8 identical with the structure of positive pressure trunnion 5.By controlling electronic control cylinder operation to realize positive pressure trunnion or negative pressure trunnion
It is flexible, so as to change the structure proportion of sampling main body, to adapt to the pipeline of different fluid media (medium)s or different bores.
The upper plate of casing 1 has been bolted to connection cover board 15, and gasket is provided between cover board 15 and upper plate, ensures
The sealing effect of device.
The lower section of connecting plate 2 is provided with stent 16, and stent 16 is engaged with default positioning sleeve 17 on pipeline, is easily installed
And ensure the accuracy of installation site.
Inner tube 10 and outer tube 11 be slidably connected place and telescopic sleeve 14 respectively with inner tube 10 and the junction of outer tube 11
Seal is both provided with, ensures the sealing effect of device.
Bracing piece 18 is connected between casing 1 and connecting plate 2, for improving the bonding strength of device.
A kind of telescopic wing multipoint stream gauge of the utility model, can realize the structure proportion adjustment of sampling main body, fit
It is low for a variety of different fluid media (medium)s, use cost.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
- A kind of 1. telescopic wing multipoint stream gauge, it is characterised in that：Including casing and connecting plate, the upper plate of described sleeve pipe and institute State and positive pressure sampling point assembly and sampling below atmospheric pressure point assembly are provided between connecting plate, the both sides difference of the positive pressure sampling point assembly One end of positive pressure trunnion is communicated with, the other end of positive pressure trunnion is communicated with positive pressure pipe described in per side, the positive pressure pipe Both ends have positive pressure sample point, and the both sides of the sampling below atmospheric pressure point assembly are respectively communicated with one end of negative pressure trunnion, described in per side The other end of negative pressure trunnion has the stream of negative pressure taking sampling point, the positive pressure sample point and the equal face fluid of the negative pressure taking sampling point Dynamic direction；The positive pressure trunnion includes inner tube, and the hypomere outer sheath of said inner tube is equipped with outer tube, is set on the outside of the epimere of said inner tube There is electronic control cylinder, the connecting rod of the electronic control cylinder is connected with the outer tube, and the outside of said inner tube and outer tube is set with jointly Telescopic sleeve；The structure of the negative pressure trunnion is identical with the structure of the positive pressure trunnion.
- 2. the telescopic wing multipoint stream gauge of one kind according to claim 1, it is characterised in that：The upper plate of described sleeve pipe leads to Cross bolt and be fixedly connected with cover board, gasket is provided between the cover board and the upper plate.
- 3. the telescopic wing multipoint stream gauge of one kind according to claim 1, it is characterised in that：The lower section of the connecting plate Stent is provided with, the stent is engaged with default positioning sleeve on pipeline.
- 4. the telescopic wing multipoint stream gauge of one kind according to claim 1, it is characterised in that：Said inner tube and outer tube The junction of the place of being slidably connected and the telescopic sleeve respectively with inner and outer tubes is both provided with seal.
- 5. the telescopic wing multipoint stream gauge of one kind according to claim 1, it is characterised in that：Described sleeve pipe and the company Bracing piece is connected between fishplate bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721165548.7U CN207335799U (en) | 2017-09-12 | 2017-09-12 | A kind of telescopic wing multipoint stream gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721165548.7U CN207335799U (en) | 2017-09-12 | 2017-09-12 | A kind of telescopic wing multipoint stream gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335799U true CN207335799U (en) | 2018-05-08 |
Family
ID=62368898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721165548.7U Expired - Fee Related CN207335799U (en) | 2017-09-12 | 2017-09-12 | A kind of telescopic wing multipoint stream gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335799U (en) |
-
2017
- 2017-09-12 CN CN201721165548.7U patent/CN207335799U/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 |
Granted publication date: 20180508 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |