CN114321734A - Portable under-pressure pipeline flow velocity measuring device - Google Patents
Portable under-pressure pipeline flow velocity measuring device Download PDFInfo
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- CN114321734A CN114321734A CN202111640295.5A CN202111640295A CN114321734A CN 114321734 A CN114321734 A CN 114321734A CN 202111640295 A CN202111640295 A CN 202111640295A CN 114321734 A CN114321734 A CN 114321734A
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Abstract
The invention provides a portable under-pressure pipeline flow velocity measuring device which comprises a supporting sleeve, wherein a flange is arranged at the bottom of the supporting sleeve, a moving rod is connected inside the supporting sleeve in a sliding mode, a speed measuring head is arranged at the bottom end of the moving rod, a measuring shifting table is arranged at the top end of the moving rod, a positioning mechanism is arranged in the middle of the bottom of the speed measuring head and comprises a fixed cylinder fixed at the bottom end of the speed measuring head, an adjusting rod is connected to the inner wall of the fixed cylinder in a sliding mode, scale marks are arranged on the outer wall of the adjusting rod, an adhering block is arranged at the bottom end of the adjusting rod and is of an arc-shaped structure, the adhering block is made of silica gel, and an adsorption groove is formed in the middle of the bottom end of the adhering block. The invention can select flanges with different sizes to install the speed measuring head and the measuring shifting meter on the pipeline with pressure to measure the flow speed according to the calibers of different pipelines with pressure, is not limited by the size, and is convenient to carry and use.
Description
Technical Field
The invention relates to the technical field of pipeline flow velocity measurement, in particular to a portable under-pressure pipeline flow velocity measurement device.
Background
The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, generally, the fluid flows from a high-pressure part to a low-pressure part of the pipeline after being pressurized by a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range, is mainly used in water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, the types of the pipeline are various, one of the pipelines is a pressurized pipeline, and as the development of cities and the increasing of population, the urban water pipe network becomes more burdensome. Therefore, the monitoring of municipal water networks is of greater importance. At present, the flow velocity measurement of the pipeline under pressure is generally carried out by installing a flowmeter on the pipeline under pressure.
However, the diameters of the main pipeline and the branch pipeline in the pipeline network are different, the flowmeter of the same model is difficult to meet the requirements of pipelines with different diameters due to limited size, and meanwhile, the flowmeter is complex in steps, time-consuming and labor-consuming in installation, affects the working efficiency of workers, is difficult to meet the measurement requirements, and is very inconvenient to use. Therefore, a portable flow velocity measuring device for a pipeline under pressure is provided.
Disclosure of Invention
In view of the above, it is desirable to provide a portable device for measuring a flow rate of a pressurized pipeline, so as to solve or alleviate the technical problems in the prior art, and to provide at least one useful choice. The advantages are that: the pressure detection construction time can be found out fast, the pressure detection construction is facilitated, the speed measuring head and the measuring shifting table can be installed on the pressure pipeline to measure the flow speed by selecting the flanges with different sizes according to the calibers of different pressure pipelines, the size is not limited, and the use is convenient.
The technical scheme of the embodiment of the invention is realized as follows: a portable under-pressure pipeline flow velocity measuring device comprises a supporting sleeve, wherein a flange is arranged at the bottom of the supporting sleeve, a moving rod is connected inside the supporting sleeve in a sliding manner, a speed measuring head is arranged at the bottom end of the moving rod, a measuring moving table is arranged at the top end of the moving rod, a positioning mechanism is arranged at the middle position of the bottom of the speed measuring head and comprises a fixed cylinder fixed at the bottom end of the speed measuring head, an adjusting rod is connected to the inner wall of the fixed cylinder in a sliding manner, a scale mark is arranged on the outer wall of the adjusting rod, an adhering block is arranged at the bottom end of the adjusting rod and is of an arc-shaped structure, the adhering block is made of silica gel material, an adsorption groove is formed in the middle position of the bottom end of the adhering block, a plurality of fixing holes distributed at equal intervals are formed in the outer wall of the adjusting rod, threaded holes are formed in the outer wall of the fixed cylinder, and fixing screws are connected to the inner wall of the threaded holes through threads, and one end of the fixing screw rod, which is far away from the threaded hole, is clamped in the fixing hole.
In some embodiments, a sealing member is disposed at the bottom of the flange, and the sealing member is sleeved on the outer wall of the moving rod, and the sealing member is made of rubber.
In some embodiments, the speed measuring head is including the casing that tests the speed, and the inner wall of the casing that tests the speed is provided with the mount, the outer wall of mount is connected with the dwang through the bearing, the one end of dwang is provided with the drive oar, the one end that the drive oar was kept away from to the dwang is provided with closed coil, closed coil establishes ties there is the ampere meter, the top inner wall and the bottom inner wall of the casing that tests the speed are equallyd divide and are do not be provided with first magnet and second magnet, the relative one side magnetic pole of first magnet and second magnet is opposite.
In some embodiments, an opening is formed at one end of the speed measuring shell, a guide plate with an annular structure is arranged on the inner wall of the opening, and the cross section of the guide plate is of a triangular structure.
In some embodiments, the inner wall of the speed measuring shell is provided with a baffle plate, and the baffle plate is positioned between the fixed frame and the closed coil.
In some embodiments, the outer wall of the fixing frame is provided with a circulation hole, the outer wall of the speed measuring shell is provided with a liquid outlet, and the cross sections of the circulation hole and the liquid outlet are both isosceles trapezoid structures.
In some embodiments, the outer wall of the baffle is provided with a flow guide block, and the flow guide block is arranged in an arc surface facing the outer wall of the fixing frame.
In some embodiments, the outer wall of supporting the cover is provided with the hinge bar, and the hinge bar is kept away from the one end that supports the cover and is articulated to have a dwang, the one end of dwang is provided with the fixed head, a plurality of equidistance spacing holes that distribute are seted up to the outer wall of carriage release lever, fixed head and spacing hole looks adaptation, the outer wall of dwang is provided with coupling spring, coupling spring keeps away from the one end of dwang and is connected with the outer wall that supports the cover.
In some embodiments, the end of the fixed head away from the rotating rod is in a hemispherical structure.
In some embodiments, a pressing plate is arranged at one end of the rotating rod away from the fixed head, and an anti-skid protrusion is arranged on the outer wall of the pressing plate.
Due to the adoption of the technical scheme, the embodiment of the invention has the following advantages:
1. a portable under-pressure pipeline flow velocity measuring device is used, firstly, the total length of a fixed cylinder and an adjusting rod is adjusted to be equal to the radius of an under-pressure pipeline according to the diameter of the under-pressure pipeline and a scale mark, a speed measuring head is placed into the under-pressure pipeline through an under-pressure pipeline interface, then a flange is butted with the pipeline interface, the flange is fixed with the under-pressure pipeline interface through a bolt, then a force is applied to move a moving rod, when a sticking block is tightly attached to the inner wall of the under-pressure pipeline, the sticking block can be adsorbed and fixed with the inner wall of the pipeline through an adsorption groove, at the moment, the speed measuring head is just positioned at the center of the pipeline to measure speed, the speed measuring head transmits measured data back to a measuring moving table to be stored and displays the measured data in real time, the device is adopted to monitor the flow velocity of water in the under-pressure pipeline in real time, the proper under-pressure detection construction time can be found out quickly, and the under-pressure detection construction is convenient, the flange of different sizes can be selected according to the bore of the pipeline under pressure of different, and the speed measuring head and the measuring moving meter are installed on the pipeline under pressure to measure the flow velocity, are not limited by the size, and are convenient to carry and use.
2. A portable under-pressure pipeline flow velocity measuring device is provided, a rubber sealing element can achieve a good sealing effect on a connecting part of a flange and a movable rod, the sealing performance of the flange is improved, and the condition of water leakage is avoided; when liquid in the pipeline flows, the driving paddle can be driven to rotate, the driving paddle rotates to drive the closed coil to do cutting magnetic induction line motion in a magnetic field formed by the first magnet and the second magnet, current can be generated in the closed coil, and the flow rate can be calculated according to the current value detected by the ammeter.
3. A portable under-pressure pipeline flow velocity measuring device is characterized in that after a movable rod moves, a rotating rod is loosened, the rotating rod deflects under the action of a connecting spring, and a fixing head is embedded into a corresponding limiting hole, so that the movable rod is fixed, and the situation that the movable rod moves up and down during measurement is avoided; the surface of the fixing head with one end in a hemispherical structure is smooth, so that the friction force of the fixing head entering the limiting hole can be reduced, and the fixing head can be conveniently clamped into the limiting hole; the rotating rod can be conveniently pressed to rotate through the pressing plate, and when the rotating rod is pressed, the anti-skid protrusions can play a good anti-skid effect, so that the situation of skidding is avoided when the rotating rod is pressed.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a partial cross-sectional structural schematic of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
Reference numerals:
1. measuring and shifting the meter; 2. a travel bar; 3. a limiting hole; 4. rotating the rod; 5. a hinged lever; 6. a connecting spring; 7. a flange; 8. a speed measuring head; 9. a fixed cylinder; 10. fixing the screw rod; 11. a sticking block; 12. adjusting a rod; 13. a support sleeve; 14. a seal member; 15. a first magnet; 16. a baffle plate; 17. a flow guide block; 18. driving the paddle; 19. a flow-through hole; 20. a baffle; 21. a fixed mount; 22. a liquid outlet; 23. a second magnet; 24. an ammeter; 25. a fixing hole; 26. a fixed head; 27. scale lines are marked.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-5, a portable under-pressure pipeline flow velocity measuring device comprises a supporting sleeve 13, a flange 7 is arranged at the bottom of the supporting sleeve 13, a moving rod 2 is slidably connected inside the supporting sleeve 13, a speed measuring head 8 is arranged at the bottom end of the moving rod 2, a measuring moving table 1 is arranged at the top end of the moving rod 2, a positioning mechanism is arranged at the middle position of the bottom of the speed measuring head 8, the positioning mechanism comprises a fixed cylinder 9 fixed at the bottom end of the speed measuring head 8, an adjusting rod 12 is slidably connected to the inner wall of the fixed cylinder 9, the outer wall of the adjusting rod 12 is provided with a scale mark 27, a tightening block 11 is arranged at the bottom end of the adjusting rod 12, the tightening block 11 is in an arc structure, the tightening block 11 is made of silica gel, an adsorption groove is arranged at the middle position of the bottom end of the tightening block 11, a plurality of fixing holes 25 are arranged on the outer wall of the adjusting rod 12 at equal intervals, and a threaded hole is arranged on the outer wall of the fixed cylinder 9, the inner wall of screw hole has clamping screw 10 through threaded connection, and clamping screw 10 keeps away from the one end joint in fixed orifices 25 of screw hole.
In this embodiment, a sealing member 14 is disposed at the bottom of the flange 7, the sealing member 14 is sleeved on the outer wall of the moving rod 2, and the sealing member 14 is made of rubber. The sealing element 14 made of rubber can achieve a good sealing effect on the joint of the flange 7 and the moving rod 2, the sealing performance of the flange 7 is improved, and the situation of water leakage is avoided.
In this embodiment, the head 8 tests the speed including the casing tests the speed, and the inner wall that tests the speed the casing is provided with mount 21, mount 21's outer wall is connected with dwang 4 through the bearing, the one end of dwang 4 is provided with drive oar 18, the one end that drive oar 18 was kept away from to dwang 4 is provided with closed coil, closed coil establishes ties there is ampere meter 24, the top inner wall and the bottom inner wall of the casing of testing the speed are equallyd divide and are do not be provided with first magnet 15 and second magnet 23, the relative one side magnetic pole of first magnet 15 and second magnet 23 is opposite. When liquid in the pipeline flows, the driving paddle 18 is driven to rotate, the driving paddle 18 rotates to drive the closed coil to make cutting magnetic induction line movement in a magnetic field formed by the first magnet 15 and the second magnet 23, current can be generated in the closed coil, and the flow rate can be calculated according to the current value detected by the ammeter 24.
In this embodiment, an opening is opened at one end of the speed measuring housing, and the inner wall of the opening is provided with a guide plate 20 with an annular structure, and the cross section of the guide plate 20 is a triangular structure. When liquid flows to the speed measuring shell, the guide plate 20 can play a good guide effect, so that the liquid is conveniently sent to the driving paddle 18 to drive the driving paddle to rotate, and the error of flow speed detection is reduced.
In this embodiment, the inner wall of the tachometer housing is provided with a baffle 16, and the baffle 16 is located between the holder 21 and the closed coil. The baffle 16 can play good effect of blockking to rivers, avoids liquid to get into inside the shell that tests the speed.
In this embodiment, the outer wall of the fixing frame 21 is provided with a circulation hole 19, the outer wall of the speed measuring shell is provided with a liquid outlet 22, and the cross sections of the circulation hole 19 and the liquid outlet 22 are both in an isosceles trapezoid structure. The flow hole 19 and the liquid outlet 22 with the cross sections of the isosceles trapezoid structures can increase the flow speed of liquid, avoid influencing the flow of the liquid during detection, and reduce the error of flow rate measurement.
In this embodiment, the outer wall of the baffle 16 is provided with a flow guide block 17, and the flow guide block 17 is disposed in an arc shape facing the outer wall of the fixing frame 21. The cambered surface of the flow guide block 17 can play a good flow guide role, so that the liquid passing through the flow hole 19 can be conveniently guided into the liquid outlet 22, and the liquid flow cannot be blocked.
In this embodiment, the outer wall of supporting sleeve 13 is provided with hinge rod 5, and hinge rod 5 keeps away from that the one end of supporting sleeve 13 articulates there is dwang 4, and the one end of dwang 4 is provided with fixed head 26, and the spacing hole 3 that a plurality of equidistance distribute is seted up to the outer wall of carriage release lever 2, fixed head 26 and spacing hole 3 looks adaptation, and the outer wall of dwang 4 is provided with coupling spring 6, and coupling spring 6 keeps away from the one end of dwang 4 and is connected with the outer wall of supporting sleeve 13. When the movable rod 2 moves, the rotating rod 4 is loosened, the rotating rod 4 deflects under the action of the connecting spring 6, and the fixing head 26 is embedded into the corresponding limiting hole 3, so that the movable rod 2 is fixed, and the situation that the movable rod 2 moves up and down during measurement is avoided.
In this embodiment, the end of the fixed head 26 remote from the swivelling lever 4 is of hemispherical configuration. The surface of the fixing head 26 with one end in a hemispherical structure is smooth, so that the friction force of the fixing head 26 entering the limiting hole 3 can be reduced, and the fixing head 26 can be conveniently clamped into the limiting hole 3.
In this embodiment, the end of the rotating rod 4 away from the fixed head 26 is provided with a pressing plate, and the outer wall of the pressing plate is provided with an anti-slip bulge. Can conveniently press dwang 4 through pressing the movable plate and rotate, when pressing, the non-skid protrusions can play good anti-skidding effect, and the condition that appears skidding when avoiding pressing takes place.
When the device works, firstly, the total length of the fixed cylinder 9 and the adjusting rod 12 is adjusted to be equal to the radius of the pipeline under pressure according to the diameter of the pipeline under pressure and the scale mark 27, the speed measuring head 8 is placed into the pipeline under pressure from the pipeline interface under pressure, then the flange 7 is butted with the pipeline interface, the flange 7 is fixed with the pipeline interface under pressure through a bolt, then the movable rod 2 is moved by applying force, when the sticking block 11 is tightly attached to the inner wall of the pipeline under pressure, the sticking block 11 can be adsorbed and fixed with the inner wall of the pipeline through the adsorption groove, at the moment, the speed measuring head 8 is just positioned at the center of the pipeline to measure speed, the speed measuring head 8 transmits the measured data back to the measuring moving table 1 to be stored and displays the measured data in real time, the device is adopted to monitor the flow velocity of water in the pipeline under pressure in real time, the proper construction time of detection under pressure can be found out quickly, and the construction of detection under pressure is convenient, the speed measuring head 8 and the measuring moving table 1 can be installed on the pipeline under pressure to measure the flow speed by selecting the flanges 7 with different sizes according to the calibers of the pipelines under pressure, and the device is not limited by the size and is convenient to use.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a portable area presses pipeline velocity of flow measuring device, includes support cover (13), its characterized in that: the bottom of the support sleeve (13) is provided with a flange (7), the inside of the support sleeve (13) is connected with a moving rod (2) in a sliding manner, the bottom of the moving rod (2) is provided with a speed measuring head (8), the top end of the moving rod (2) is provided with a measuring shifting table (1), the middle position of the bottom of the speed measuring head (8) is provided with a positioning mechanism, the positioning mechanism comprises a fixed cylinder (9) fixed at the bottom end of the speed measuring head (8), the inner wall of the fixed cylinder (9) is connected with an adjusting rod (12) in a sliding manner, the outer wall of the adjusting rod (12) is provided with a scale mark (27), the bottom end of the adjusting rod (12) is provided with a tightening block (11), the tightening block (11) is of an arc-shaped structure, the tightening block (11) is made of silica gel, the middle position of the bottom end of the tightening block (11) is provided with an adsorption groove, the outer wall of the adjusting rod (12) is provided with a plurality of fixing holes (25) distributed at equal intervals, the outer wall of the fixed cylinder (9) is provided with a threaded hole, the inner wall of the threaded hole is connected with a fixing screw rod (10) through threads, and one end, far away from the threaded hole, of the fixing screw rod (10) is clamped in the fixing hole (25).
2. The portable under-pressure pipeline flow velocity measuring device according to claim 1, characterized in that: the bottom of the flange (7) is provided with a sealing element (14), the sealing element (14) is sleeved on the outer wall of the moving rod (2), and the sealing element (14) is made of rubber.
3. The portable under-pressure pipeline flow velocity measuring device according to claim 1, characterized in that: speed measuring head (8) are including the casing that tests the speed, and the inner wall of the casing that tests the speed is provided with mount (21), the outer wall of mount (21) is connected with dwang (4) through the bearing, the one end of dwang (4) is provided with drive oar (18), the one end that drive oar (18) were kept away from in dwang (4) is provided with closed coil, closed coil establishes ties there are ampere meter (24), the top inner wall and the bottom inner wall of the casing that tests the speed are equallyd divide and are do not be provided with first magnet (15) and second magnet (23), first magnet (15) and second magnet (23) opposite side magnetic pole.
4. A portable under pressure pipe flow rate measuring device according to claim 3, wherein: the opening is seted up to the one end of shell that tests the speed, and open-ended inner wall is provided with guide plate (20) of loop configuration, the cross-section of guide plate (20) is the triangle-shaped structure.
5. The portable under-pressure pipeline flow velocity measuring device according to claim 4, characterized in that: the inner wall of the speed measuring shell is provided with a baffle (16), and the baffle (16) is positioned between the fixed frame (21) and the closed coil.
6. The portable under-pressure pipeline flow velocity measuring device according to claim 5, characterized in that: the outer wall of the fixing frame (21) is provided with a circulation hole (19), the outer wall of the speed measuring shell is provided with a liquid outlet (22), and the sections of the circulation hole (19) and the liquid outlet (22) are both in an isosceles trapezoid structure.
7. The portable under-pressure pipeline flow velocity measuring device according to claim 6, characterized in that: the outer wall of baffle (16) is provided with water conservancy diversion piece (17), and water conservancy diversion piece (17) just is the cambered surface setting to the outer wall of mount (21).
8. The portable under-pressure pipeline flow velocity measuring device according to claim 1, characterized in that: the outer wall of supporting cover (13) is provided with hinge bar (5), and hinge bar (5) keep away from the one end that supports cover (13) and articulate there is dwang (4), the one end of dwang (4) is provided with fixed head (26), spacing hole (3) that a plurality of equidistance distributed are seted up to the outer wall of carriage release lever (2), fixed head (26) and spacing hole (3) looks adaptation, the outer wall of dwang (4) is provided with coupling spring (6), the one end that dwang (4) were kept away from in coupling spring (6) is connected with the outer wall that supports cover (13).
9. The portable under-pressure pipeline flow velocity measuring device according to claim 8, characterized in that: and one end of the fixed head (26) far away from the rotating rod (4) is of a hemispherical structure.
10. The portable under-pressure pipeline flow velocity measuring device according to claim 9, characterized in that: one end of the rotating rod (4) far away from the fixed head (26) is provided with a pressing plate, and the outer wall of the pressing plate is provided with an anti-skid bulge.
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| CN202111640295.5A CN114321734B (en) | 2021-12-29 | 2021-12-29 | Portable pipeline velocity of flow measuring device under pressure |
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| CN202111640295.5A CN114321734B (en) | 2021-12-29 | 2021-12-29 | Portable pipeline velocity of flow measuring device under pressure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027770A (en) * | 2023-09-26 | 2023-11-10 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
| CN117330140A (en) * | 2023-12-01 | 2024-01-02 | 山东省林业科学研究院 | Monitoring and measuring device for flow of wetland water channel |
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| CN2908838Y (en) * | 2006-05-01 | 2007-06-06 | 李丰刚 | Pipe power generator |
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| CN117027770A (en) * | 2023-09-26 | 2023-11-10 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
| CN117027770B (en) * | 2023-09-26 | 2023-12-29 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
| CN117330140A (en) * | 2023-12-01 | 2024-01-02 | 山东省林业科学研究院 | Monitoring and measuring device for flow of wetland water channel |
| CN117330140B (en) * | 2023-12-01 | 2024-03-08 | 山东省林业科学研究院 | Monitoring and measuring device for flow of wetland water channel |
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Denomination of invention: A portable pressure pipeline flow velocity measurement device Granted publication date: 20240109 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Songjiang sub branch Pledgor: Shanghai Guankang Technology Co.,Ltd. Registration number: Y2024310000180 |