CN220508960U - Pitot tube with length and angle adjusting function - Google Patents
Pitot tube with length and angle adjusting function Download PDFInfo
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- CN220508960U CN220508960U CN202320952736.3U CN202320952736U CN220508960U CN 220508960 U CN220508960 U CN 220508960U CN 202320952736 U CN202320952736 U CN 202320952736U CN 220508960 U CN220508960 U CN 220508960U
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- pitot tube
- adjusting
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- length
- boss
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Abstract
The utility model provides a pitot tube with a length and angle adjusting function, which comprises a body, wherein the body is provided with an adjusting device for adjusting the installation length and angle of the pitot tube and a flue.
Description
Technical Field
The utility model relates to the technical field of pitot tubes, in particular to a pitot tube with length and angle adjusting functions.
Background
The key factor for the accuracy of the CO2 continuous on-line monitoring system in calculating the carbon emission is whether the flow rate can be accurately measured.
According to the current situation of carbon and sewage homology, the measurement of the smoke emission of a pollution source is mostly based on a single-point pitot tube, most of pollution source monitoring points are installed at the position of 70 meters high on a flue at present, if the measuring point section flow field is relatively stable, the point selection representativeness is good, and the accurate measurement of the smoke quantity can be completely realized by using the single-point pitot tube.
The existing CEMS flue gas continuous online measurement system mostly adopts a single-point Pitot tube, and a speed field coefficient is simulated by a manual measurement method to correct the single-point Pitot tube according to the requirement of HJ-75 on flow velocity. However, there are many problems in the installation of the current pitot tube measuring device, such as the fact that the pitot tube is directly fixed according to the on-site embedded flange, the length and angle of the pitot tube cannot be adjusted, and the measurement data is not accurate.
Disclosure of Invention
The utility model aims to provide a pitot tube with length and angle adjusting functions so as to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a pitot tube with length and angle adjusting function, comprising a body provided with an adjusting device for adjusting the installation length and angle of the pitot tube and a flue.
In the scheme, the pitot tube is installed on the adjusting device, the adjusting device is connected with the embedded installing flange of the flue, and the depth of the pitot tube inserted into the flue is adjusted by controlling the adjusting device, so that the problems that the length and the angle of the pitot tube cannot be adjusted, and measurement data are inaccurate due to the fact that the pitot tube is directly fixed by the embedded flange are solved.
As an improvement of the pitot tube with the length and angle adjusting function, the adjusting device comprises an adjusting flange and a sealing cover, the sealing cover is detachably connected with the adjusting flange, the sealing cover and the adjusting flange are nested on the outer surface of the pitot tube, the sealing cover is fixedly connected with the pitot tube through bolts, the adjusting flange is fixedly connected with a mounting flange of a flue port, the adjusting flange is connected with a hollow boss, the boss is nested on the pitot tube, a plurality of elevation angle adjusting holes are formed in the boss along the radial direction, and the boss is matched with bolts through the elevation angle adjusting holes so as to realize fixation and angle adjustment between the boss and the pitot tube.
In the scheme, the adjusting device has the specific principle that the sealing cover and the adjusting flange are fixed together in advance, then the sealing cover and the adjusting flange are nested on the pitot tube, the pitot tube can slide relative to the sealing cover, the adjusting flange and the boss, the boss is matched with the bolt through the elevation angle adjusting hole to realize fixation between the boss and the pitot tube, when the length of the pitot tube needs to be adjusted, the bolt is rotated to enable the bolt to be separated from the surface of the pitot tube, then the pitot tube is pushed to slide along the adjusting flange, and after the pitot tube is adjusted in place, the bolt is reversely rotated to enable the bolt to abut against the surface of the pitot tube, so that fixation of the boss to the pitot tube is realized. When the angle between the pitot tube and the flue needs to be adjusted, namely the angle between the pitot tube and the boss is adjusted, the bolt penetration length of the two opposite elevation angle adjusting holes can be adjusted to adjust the angle between the center of the pitot tube and the center of the boss, so that the angle adjustment between the pitot tube and the flue is completed.
As an improvement of the pitot tube with the length and angle adjusting function, the adjusting device comprises an adjusting flange and a sealing cover, wherein the sealing cover is detachably connected with the adjusting flange, and the sealing cover and the adjusting flange are in threaded connection with the outer surface of the pitot tube.
In the scheme, the adjusting device is specifically based on the principle that the sealing cover and the adjusting flange are fixed together in advance, then the sealing cover and the adjusting flange are nested on the pitot tube, the sealing cover is in threaded connection with the adjusting flange and the threaded part of the pitot tube, when the length of the pitot tube needs to be adjusted, the pitot tube is rotated, and the pitot tube rotates around the adjusting flange to adjust the length of the pitot tube, so that the problems that the pre-buried flange directly fixes the pitot tube, the length of the pitot tube cannot be adjusted, and measurement data are inaccurate are solved.
As an improvement of the pitot tube with the length and angle adjusting function, a sealing ring is arranged between the sealing cover and the adjusting flange.
In the scheme, the sealing ring is arranged between the sealing cover and the adjusting flange, the sealing ring deforms under the mutual extrusion of the sealing cover and the adjusting flange to seal the pitot tube, so that smoke is prevented from leaking out of a gap between the adjusting flange and the pitot tube, when the depth of the pitot tube and the flue needs to be adjusted in the later period, the width between the sealing cover and the adjusting flange is opened to reduce the deformation of the sealing ring, so that the pitot tube can rotate with the threads of the adjusting flange or slide along the straight line of the adjusting flange, and after the pitot tube is adjusted, the distance between the sealing cover and the adjusting flange is reduced again to enable the sealing ring to deform to seal the pitot tube, so that the smoke is prevented from leaking out of the gap between the adjusting flange and the pitot tube.
As an improvement of the pitot tube with the length and angle adjusting function, the surface of the adjusting flange is provided with the waist-shaped hole, and the adjusting flange is connected with the embedded mounting flange on the flue through the waist-shaped hole.
In the scheme, in order to facilitate fixation between the adjusting flange and the embedded installing flange, a waist-shaped hole is formed in the surface of the adjusting flange in advance, and the adjusting flange is connected with the embedded installing flange on the flue through the waist-shaped hole.
As an improvement of the pitot tube with the length and angle adjusting function of the utility model, the adjusting flange is provided with a handle on the radial outer surface for lifting the whole body and the adjusting device.
In the above-mentioned scheme, in order to conveniently snatch and carry whole equipment, be provided with the handle that is used for mentioning whole body and adjusting device on adjusting flange radial surface, the handle can conveniently snatch and carry whole equipment.
Compared with the prior art, the utility model has the beneficial effects that: the pitot tube is mounted on the adjusting device, the adjusting device is connected with the embedded mounting flange of the flue, and the depth and the angle of the pitot tube inserted into the flue are adjusted by controlling the adjusting device, so that the problems that the pitot tube is directly fixed by the embedded flange, the length of the pitot tube cannot be adjusted, and the measurement data are inaccurate are solved; a sealing ring is arranged between the sealing cover and the adjusting flange, and is deformed under the mutual extrusion of the sealing cover and the adjusting flange to seal the pitot tube, so that smoke is prevented from leaking out of a gap between the adjusting flange and the pitot tube; the method comprises the steps of carrying out a first treatment on the surface of the In order to facilitate grabbing and carrying the whole equipment, a handle for lifting the whole body and the adjusting device is arranged on the radial outer surface of the adjusting flange, and the handle can facilitate grabbing and carrying the whole equipment.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
fig. 3 is a schematic diagram of a third embodiment of the present utility model.
Wherein, 1, the body; 2. an adjusting device; 21. an adjusting flange; 22. sealing cover; 3. a boss; 4. elevation angle adjusting holes; 5. a seal ring; 6. a waist-shaped hole; 7. a handle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 3, a pitot tube with length and angle adjusting function comprises a body 1, wherein the body 1 is provided with an adjusting device 2 for adjusting the installation length and angle of the pitot tube and a flue.
The pitot tube is installed on the adjusting device 2, the adjusting device 2 is connected with the embedded installing flange of the flue, and the depth of the pitot tube inserted into the flue is adjusted by controlling the adjusting device 2, so that the problems that the length and the angle of the pitot tube cannot be adjusted, and measurement data are inaccurate due to the fact that the pitot tube is directly fixed by the embedded flange are solved.
The adjusting device 2 comprises an adjusting flange 21 and a sealing cover 22, the sealing cover 22 is detachably connected with the adjusting flange 21, the sealing cover 22 and the adjusting flange 21 are nested on the outer surface of the pitot tube, the sealing cover 22 is fixedly connected with the pitot tube through bolts, the adjusting flange 21 is fixedly connected with a mounting flange of a flue port, the adjusting flange 21 is connected with a hollow boss 3, the boss 3 is nested on the pitot tube, a plurality of elevation angle adjusting holes 4 are formed in the boss 3 along the radial direction, and the boss 3 is matched with the bolts through the elevation angle adjusting holes 4 to achieve fixation and angle adjustment between the boss 3 and the pitot tube.
The specific principle of the adjusting device 2 is that the sealing cover 22 and the adjusting flange 21 are fixed together in advance, then the sealing cover 22 and the adjusting flange 21 are nested on the pitot tube, the pitot tube can slide relative to the sealing cover 22, the adjusting flange 21 and the boss 3, the boss 3 is matched with a bolt through the elevation adjusting hole 4 to realize fixation between the boss 3 and the pitot tube, when the length of the pitot tube needs to be adjusted, the bolt is rotated to enable the bolt to be separated from the surface of the pitot tube, then the pitot tube is pushed to slide along the adjusting flange 21, and after the pitot tube is adjusted in place, the bolt is reversely rotated to enable the bolt to abut against the surface of the pitot tube, so that fixation of the boss 3 on the pitot tube is realized. When the angle between the pitot tube and the flue needs to be adjusted, namely the angle between the pitot tube and the boss 3 is adjusted, the bolt penetration length of the two opposite elevation angle adjusting holes 4 can be adjusted to adjust the angle between the center of the pitot tube and the center of the boss 3, so that the angle adjustment between the pitot tube and the flue is completed.
A sealing ring 5 is arranged between the sealing cover 22 and the adjusting flange 21.
The sealing ring 5 is arranged between the sealing cover 22 and the adjusting flange 21, the sealing ring 5 deforms under the mutual extrusion of the sealing cover 22 and the adjusting flange 21 to seal the pitot tube so as to prevent smoke from leaking out of a gap between the adjusting flange 21 and the pitot tube, when the depth of the pitot tube and the flue needs to be adjusted in the later period, the width between the sealing cover 22 and the adjusting flange 21 is opened so as to reduce the deformation of the sealing ring 5, and the pitot tube can rotate with the threads of the adjusting flange 21 or slide along the adjusting flange 21 in a straight line, and after the pitot tube is adjusted, the distance between the sealing cover 22 and the adjusting flange 21 is reduced again so as to deform the sealing ring 5 to seal the pitot tube, so that the smoke is prevented from leaking out of the gap between the adjusting flange 21 and the pitot tube.
The surface of the adjusting flange 21 is provided with a waist-shaped hole 6, and the adjusting flange 21 is connected with an embedded mounting flange on the flue through the waist-shaped hole 6.
In order to facilitate the fixation between the adjusting flange 21 and the embedded mounting flange, a waist-shaped hole 6 is formed on the surface of the adjusting flange 21 in advance, and the adjusting flange 21 is connected with the embedded mounting flange on the flue through the waist-shaped hole 6.
The radially outer surface of the adjustment flange 21 is provided with a handle 7 for lifting the entire body 1 and the adjustment device 2.
In order to facilitate gripping and carrying of the whole equipment, a handle 7 for lifting the whole body 1 and the adjusting device 2 is provided on the radially outer surface of the adjusting flange 21, and the handle 7 can facilitate gripping and carrying of the whole equipment.
Example 2
Unlike embodiment 1, the adjusting device 2 includes an adjusting flange 21 and a sealing cover 22, the sealing cover 22 is detachably connected to the adjusting flange 21, and the sealing cover 22 and the adjusting flange 21 are screwed to the outer surface of the pitot tube. The specific principle of the adjusting device 2 is that the sealing cover 22 and the adjusting flange 21 are fixed together in advance, then the sealing cover 22 and the adjusting flange 21 are nested on the pitot tube, the sealing cover 22 is in threaded connection with the threaded parts of the adjusting flange 21 and the pitot tube, when the length of the pitot tube needs to be adjusted, the pitot tube is rotated, and the pitot tube rotates around the adjusting flange 21 to adjust the length of the pitot tube, so that the problems that the pitot tube cannot be directly fixed by the embedded flange, the length of the pitot tube cannot be adjusted, and measurement data are inaccurate are solved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a pitot tube with length and angle adjustment function, includes the body, its characterized in that, the body is furnished with the adjusting device who is used for adjusting pitot tube and flue installation length and angle, adjusting device includes adjustment flange and sealed lid, sealed lid and adjustment flange detachable connection, sealed lid and adjustment flange nest are on the pitot tube surface, sealed lid passes through bolt and pitot tube fixed connection, adjustment flange is used for the installation flange fixed connection with the flue port, adjustment flange is connected with hollow boss, and the boss nestification is on the pitot tube, radially opens on the boss has a plurality of elevation angle adjustment holes, and the boss passes through elevation angle adjustment hole cooperation bolt in order to realize the fixed and the angle adjustment between boss and the pitot tube.
2. A pitot tube with length and angle adjusting function according to claim 1, characterized in that a sealing ring is arranged between the sealing cover and the adjusting flange.
3. The pitot tube with the length and angle adjusting function according to claim 1, wherein the surface of the adjusting flange is provided with a waist-shaped hole, and the adjusting flange is connected with the embedded mounting flange on the flue through the waist-shaped hole.
4. A pitot tube with length and angle adjustment function according to claim 1, characterized in that the adjusting flange is provided on its radially outer surface with a handle for lifting the whole body and adjusting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320952736.3U CN220508960U (en) | 2023-04-25 | 2023-04-25 | Pitot tube with length and angle adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320952736.3U CN220508960U (en) | 2023-04-25 | 2023-04-25 | Pitot tube with length and angle adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508960U true CN220508960U (en) | 2024-02-20 |
Family
ID=89880416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320952736.3U Active CN220508960U (en) | 2023-04-25 | 2023-04-25 | Pitot tube with length and angle adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508960U (en) |
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2023
- 2023-04-25 CN CN202320952736.3U patent/CN220508960U/en active Active
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