CN220251150U - Standard meter self-checking type large-caliber water flow standard device - Google Patents
Standard meter self-checking type large-caliber water flow standard device Download PDFInfo
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- CN220251150U CN220251150U CN202321968777.8U CN202321968777U CN220251150U CN 220251150 U CN220251150 U CN 220251150U CN 202321968777 U CN202321968777 U CN 202321968777U CN 220251150 U CN220251150 U CN 220251150U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000005303 weighing Methods 0.000 claims abstract description 17
- 239000004429 Calibre Substances 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000007689 inspection Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004164 analytical calibration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model discloses a standard meter self-checking type large-caliber water flow standard device, which relates to the technical field of flow meter calibration and comprises a large-caliber water flow meter, wherein the outer walls of the left end and the right end of the large-caliber water flow meter are all in through connection with a large-caliber pipeline, a standard meter is fixedly installed on the outer wall of the middle end of the top of the large-caliber water flow meter, a motor shell is fixedly installed on the outer wall of the left side of the top of the large-caliber water flow meter, and a valve motor is arranged in the inner cavity of the motor shell. When the large-caliber water flowmeter needs to be self-inspected, the conical plug plate can be driven to move to the right side only by starting the valve motor, the large-caliber water flowmeter is blocked, the valve is opened again, water flow can enter the water bag in the self-inspection box through the drain pipe, the weight of the water bag is detected through the weighing device, the self-inspection can be completed by comparing the water bag with the standard meter value, and the effects of saving time and labor and cost and reducing risks are achieved.
Description
Technical Field
The utility model relates to the technical field of flow instrument calibration, in particular to a self-checking large-caliber water flow standard device of a standard meter.
Background
The large-caliber water flow standard device is used for verifying metering performance (DN is more than or equal to 300) of various large-caliber flowmeters taking water as a medium, such as accuracy, repeatability, linearity, stability, range, overload capacity, reliability and the like, and can provide key measuring equipment for accurately and stably tracing and transmitting flow quantity values for the measured flowmeter. Therefore, it is particularly important to periodically verify or calibrate the large-caliber water flow meter. The following problems exist in the prior art:
because the existing large-caliber water flow meter adopts a standard meter method, namely, a high-accuracy flow meter is adopted to calibrate a low-accuracy flow meter, the standard meter needs to be detached from a flow standard device every year and sent to a national legal metering unit for verification or calibration, so that the problem that repeated disassembly, assembly and inspection of the standard meter each year cause complex labor and unpredictable risks are possibly generated on the accuracy of the standard meter due to repeated disassembly and assembly is caused.
Disclosure of Invention
The utility model provides a standard meter self-checking type large-caliber water flow standard device, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a standard table self-checking type heavy-calibre water flow standard device, includes heavy-calibre water flowmeter, heavy-calibre water flowmeter's left and right sides both ends outer wall all link up and is connected with heavy-calibre pipeline, heavy-calibre water flowmeter's top middle-end outer wall fixed mounting has the standard table, heavy-calibre water flowmeter's top left side outer wall fixed mounting has motor housing, motor housing's inner chamber is provided with the valve motor, the output shaft of valve motor runs through in heavy-calibre water flowmeter's top outer wall, the output end bottom fixed mounting of valve motor has bevel gear one, heavy-calibre water flowmeter's top inner wall movable mounting has the threaded rod, threaded rod's left side outer wall fixed mounting has bevel gear two, bevel gear two's outer wall and bevel gear one's outer wall meshing, threaded rod's screw outer wall movable mounting has the movable rod, the outer wall of movable rod runs through in heavy-calibre water flowmeter's top inner wall, the bottom outer wall fixed mounting of movable rod has the toper cock plate, bevel edge outer wall of toper cock plate and heavy-calibre water flowmeter's inner wall middle-calibre water flowmeter.
The technical scheme of the utility model is further improved as follows: the outer wall of the front side of the middle end of the large-caliber water flowmeter is communicated with a fixedly mounted drain pipe, the outer wall of the top end of the drain pipe is communicated with a fixedly mounted self-checking box, and a valve is arranged on the outer wall of the drain pipe.
The technical scheme of the utility model is further improved as follows: the automatic inspection box is characterized in that a weighing device is fixedly arranged on the inner wall of the bottom of the automatic inspection box, and a water bag is fixedly arranged on the outer wall of the top of the weighing device.
The technical scheme of the utility model is further improved as follows: the top end outer wall of the drain pipe is in through connection with the rear side outer wall of the water bag.
By adopting the technical scheme, through the mutual coordination among the drain pipe, the self-checking box, the weighing device and the water bag in the scheme, water in the pipeline is discharged into the water bag through the drain pipe during self-checking, and is weighed by the weighing device, and then the water bag is compared with the numerical value displayed by the standard table.
The technical scheme of the utility model is further improved as follows: the front side outer wall of the self-checking box is provided with a digital display screen.
By adopting the technical scheme, the self-checking box and the digital display screen in the scheme are matched with each other, so that the weight of the weighing device can be displayed on the digital display screen, and the observation and comparison are convenient.
The technical scheme of the utility model is further improved as follows: the outer wall of the right side of the water bag is provided with a water outlet, the outer wall of the water outlet penetrates through the outer wall of the right side of the self-checking box, and the outer wall of the top end of the water outlet is provided with a water outlet cover in a threaded manner.
By adopting the technical scheme, through the mutual matching among the water bag, the water outlet and the water draining cover in the scheme, the water draining cover is opened after weighing is completed, and water in the water bag is drained through the water outlet.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a standard meter self-checking type large-caliber water flow standard device, which adopts the matching of a valve motor, a conical plug plate, a large-caliber water flowmeter, a drain pipe, a valve, a self-checking box, a weighing device and a water bag, when the large-caliber water flowmeter needs to be self-checked, the valve motor is only required to be started to drive the conical plug plate to move to the right side, the large-caliber water flowmeter is blocked, the valve is opened again, water flow can enter the water bag in the self-checking box through the drain pipe, the weight of the water bag is detected through the weighing device, the self-checking can be completed by comparing the water bag with the standard meter value, the problems that the repeated disassembly and installation of the standard meter per year cause complex labor and unpredictable risks can be generated for the accuracy of the standard meter are solved, and the effects of self-checking the accuracy of the standard meter without disassembly, saving time and labor and simultaneously saving cost and reducing risks are achieved.
2. The utility model provides a standard meter self-checking type large-caliber water flow standard device, which adopts the cooperation of a water bag, a water outlet, a water discharge cover and a valve, when the water bag is weighed, the valve can be closed, and the water discharge cover is rotated to open, so that water in the water bag can be discharged from the water outlet, the water bag is conveniently discharged after being weighed, and the effect of the next self-checking is not affected.
Drawings
FIG. 1 is a schematic overall view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a large diameter water flow meter of the present utility model;
FIG. 3 is a schematic side cross-sectional view of a self-test box of the structure of the present utility model;
fig. 4 is a schematic cross-sectional elevation view of a self-test chamber of the present utility model.
In the figure: 1. a large diameter water flow meter; 11. a standard table; 12. a motor housing; 121. a valve motor; 122. bevel gears I; 13. a threaded rod; 131. bevel gears II; 132. a moving rod; 133. a conical plug plate; 14. a drain pipe; 141. a valve; 2. a self-checking box; 21. a weighing device; 22. a water bag; 221. a water outlet; 222. a drain cover; 23. a digital display screen; 3. large diameter pipeline.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a standard meter self-checking type large-caliber water flow standard device, which comprises a large-caliber water flowmeter 1, wherein the outer walls of the left end and the right end of the large-caliber water flowmeter 1 are all in through connection with a large-caliber pipeline 3, a standard meter 11 is fixedly installed on the outer wall of the middle end of the top of the large-caliber water flowmeter 1, a motor shell 12 is fixedly installed on the outer wall of the left end of the top of the large-caliber water flowmeter 1, a valve motor 121 is arranged in an inner cavity of the motor shell 12, an output shaft of the valve motor 121 penetrates through the outer wall of the top of the large-caliber water flowmeter 1, a bevel gear one 122 is fixedly installed at the bottom end of the output end of the valve motor 121, a threaded rod 13 is movably installed on the inner wall of the top of the large-caliber water flowmeter 1, a bevel gear two 131 is fixedly installed on the outer wall of the left side of the threaded rod 13, the outer wall of the bevel gear two 131 is meshed with the outer wall of the bevel gear one 122, a movable rod 132 is movably installed on the outer wall of the threaded rod 13, the outer wall of the movable rod 132 penetrates through the inner wall of the top of the large-caliber water flowmeter 1, a conical plug 133 is fixedly installed on the outer wall of the bottom of the movable rod 132, the outer wall of the movable rod is fixedly installed on the inner wall of the top of the large-caliber water flowmeter 1, the bevel gear 1 is clamped with the inner wall of the middle end of the large-caliber water flowmeter 1, the outer wall is fixedly connected with the inner wall of the threaded plug plate 13, the outer wall of the water pipe 14 is movably installed on the front side of the water drain pipe 14, and the front side of the water drain pipe 14 is fixedly connected with the front end of the water drain pipe 14.
In this embodiment, when the large-caliber water flowmeter 1 needs to be self-inspected, only the valve motor 121 is started to drive the bevel gear one 122 to rotate, the threaded rod 13 can be driven to rotate by utilizing the meshing of the bevel gear one 122 and the bevel gear two 131, so that the moving rod 132 drives the conical plug plate 133 to move rightward to plug the large-caliber water flowmeter 1, water flow does not enter the large-caliber pipeline 3 but the water drain pipe 14 is performed, after the water bag 22 is weighed, the valve 141 can be closed, then the valve motor 121 is started, the threaded rod 13 is driven to rotate reversely by the reverse rotation of the output shaft, so that the conical plug plate 133 moves leftward, water flow normally enters the large-caliber pipeline 3 through the large-caliber water flowmeter 1, and the bevel gear one 122, the bevel gear two 131, the threaded rod 13 and the moving rod 132 are all made of stainless steel materials, so that the large-caliber water flowmeter can normally run in water.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top end outer wall of the drain pipe 14 is fixedly provided with the self-checking box 2 in a penetrating manner, the bottom inner wall of the self-checking box 2 is fixedly provided with the weighing device 21, the top outer wall of the weighing device 21 is fixedly provided with the water bag 22, and the top end outer wall of the drain pipe 14 is in a penetrating manner with the rear side outer wall of the water bag 22.
In this embodiment, by opening the valve 141, the water flow in the large-caliber water flowmeter 1 can enter the water bag 22 in the self-checking box 2 through the drain pipe 14, and the weight of the water bag is detected by the weighing device 21, and the self-checking can be completed by comparing with the standard meter value.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the front outer wall of the self-checking box 2 is provided with a digital display screen 23, the right outer wall of the water bag 22 is provided with a water outlet 221, the outer wall of the water outlet 221 penetrates through the right outer wall of the self-checking box 2, and the top outer wall of the water outlet 221 is provided with a water outlet cover 222 in a threaded manner.
In this embodiment, the digital display 23 can display the weight value of the weighing device 21 in real time, so that the weight value can be conveniently compared with the standard table 11, and the water in the water bag 22 can be discharged from the water outlet 221 by rotating to open the water discharge cover 222.
The working principle of the standard meter self-checking type large-caliber water flow standard device is specifically described below.
As shown in fig. 1-4, when the large-caliber water flowmeter 1 needs to be self-inspected, the valve motor 121 is started to drive the bevel gear one 122 to rotate, the threaded rod 13 can be driven to rotate by utilizing the engagement of the bevel gear one 122 and the bevel gear two 131, so that the movable rod 132 drives the conical plug plate 133 to move rightward, the large-caliber water flowmeter 1 is blocked, the valve 141 is opened, water flow can enter the water bag 22 in the self-inspection box 2 through the water drain pipe 14, the weight of the water bag is detected through the weighing device 21, the water bag is compared with the standard meter value, the self-inspection can be completed, the valve 141 can be closed after the water bag 22 is weighed, the valve motor 121 is started, the threaded rod 13 is driven to rotate reversely by the reverse rotation of the output shaft, so that the conical plug plate 133 moves leftward, the water flow normally enters the large-caliber water flowmeter 1 into the large-caliber pipeline 3, and the water drain cover 222 is rotated to be opened, and the water in the water bag 22 can be drained from the water drain hole 221.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a standard table self-checking formula heavy-calibre discharge standard device, includes heavy-calibre water flowmeter (1), its characterized in that: the utility model discloses a large-diameter water flowmeter, including heavy-calibre water flowmeter (1), valve motor (121) are provided with in the inner chamber of motor housing (12), the output shaft of valve motor (121) runs through in the top outer wall of heavy-calibre water flowmeter (1), the output end bottom fixed mounting of valve motor (121) has bevel gear one (122), the top inner wall movable mounting of heavy-calibre water flowmeter (1) has threaded rod (13), the left side outer wall fixed mounting of threaded rod (13) has bevel gear two (131), the outer wall of bevel gear two (131) meshes with the outer wall of bevel gear one (122), the screw thread outer wall movable mounting of threaded rod (13) has movable rod (132), the outer wall of movable rod (132) runs through in the top inner wall of heavy-calibre water flowmeter (1), the bottom of movable rod (132) outer wall plug plate (133) has bevel edge of bevel edge (133) in the conical plug plate of heavy-calibre water flowmeter (1).
2. The standard meter self-checking large caliber water flow standard device according to claim 1, wherein: the outer wall of the front side of the middle end of the large-caliber water flowmeter (1) is communicated with and fixedly provided with a drain pipe (14), the outer wall of the top end of the drain pipe (14) is communicated with and fixedly provided with a self-checking box (2), and the outer wall of the drain pipe (14) is provided with a valve (141).
3. The standard meter self-checking large caliber water flow standard device according to claim 2, wherein: the automatic detection box is characterized in that a weighing device (21) is fixedly arranged on the inner wall of the bottom of the automatic detection box (2), and a water bag (22) is fixedly arranged on the outer wall of the top of the weighing device (21).
4. A standard meter self-checking large caliber water flow standard device according to claim 3, wherein: the top end outer wall of the drain pipe (14) is connected with the rear side outer wall of the water bag (22) in a penetrating way.
5. The standard meter self-checking large caliber water flow standard device according to claim 4, wherein: the front outer wall of the self-checking box (2) is provided with a digital display screen (23).
6. The standard meter self-checking large caliber water flow standard device according to claim 5, wherein: the water bag is characterized in that a water outlet (221) is formed in the outer wall of the right side of the water bag (22), the outer wall of the water outlet (221) penetrates through the outer wall of the right side of the self-checking box (2), and a water outlet cover (222) is installed on the outer wall of the top end of the water outlet (221) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968777.8U CN220251150U (en) | 2023-07-25 | 2023-07-25 | Standard meter self-checking type large-caliber water flow standard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968777.8U CN220251150U (en) | 2023-07-25 | 2023-07-25 | Standard meter self-checking type large-caliber water flow standard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251150U true CN220251150U (en) | 2023-12-26 |
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ID=89235190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321968777.8U Active CN220251150U (en) | 2023-07-25 | 2023-07-25 | Standard meter self-checking type large-caliber water flow standard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251150U (en) |
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2023
- 2023-07-25 CN CN202321968777.8U patent/CN220251150U/en active Active
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