CN216206884U - Compact test rotating disc type DN150-DN500 water meter calibrating device - Google Patents
Compact test rotating disc type DN150-DN500 water meter calibrating device Download PDFInfo
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- CN216206884U CN216206884U CN202122680158.6U CN202122680158U CN216206884U CN 216206884 U CN216206884 U CN 216206884U CN 202122680158 U CN202122680158 U CN 202122680158U CN 216206884 U CN216206884 U CN 216206884U
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Abstract
The utility model belongs to a water meter calibrating device, and particularly relates to a DN150-DN500 water meter calibrating device. A compact test turntable type DN150-DN500 water meter calibrating device is composed of a water pipe and a turntable, wherein a test position is arranged between a front turntable and a rear turntable, and the compact test turntable type DN150-DN500 water meter calibrating device is characterized by further comprising a test position II and a test position III, the test position is arranged in the middle, the length of a front straight pipe section and a rear straight pipe section is not less than 6.5 meters, the test position II and the test position III are respectively and symmetrically arranged on two sides of the test position, and water meter detection interfaces are arranged on the test position II and the test position III of the water pipe matched with a DN150-DN300 water meter. According to production experience, the production capacity of the water meter with the small caliber is larger than that of the water meter with the large caliber, the utility model provides more than two detection positions for DN150-DN300 in the same set of calibration device through reasonable design, thereby improving the production efficiency and the equipment utilization rate and reducing the test cost.
Description
Technical Field
The utility model belongs to a water meter calibrating device, and particularly relates to a DN150-DN500 water meter calibrating device.
Background
As shown in fig. 1 and 2, the traditional DN150-DN500 (with a difference of 50 per standard specification) rotary disc type water meter calibrating device is provided with 1 water inlet and 1 water outlet; the water meter testing device comprises 2 rotating discs 2 which are respectively a front rotating disc and a rear rotating disc and are driven to rotate by a central shaft 21, wherein the central shaft is axially fixed with discs 22 at intervals, the discs are used for fixing water pipes 1, the water pipes (DN 150, DN200, DN250, DN300, DN400 and DN 500) with different pipe diameters are fixed along the circumference of the discs, a testing position 3 is positioned between the front rotating disc and the rear rotating disc, the length of the DN500 water meter is 0.5-1 meter, so the distance between water pipe interfaces of the testing position is larger than 1 meter and is generally set at 1.1 meter, in order to reduce the influence of water flow on water meter testing, the length of straight pipe sections before and after the water meter testing is not smaller than 10 times of the nominal diameter of the testing water meter according to the regulation, the length of the straight pipe sections of all meters is required to be the maximum DN500 meter, and only one testing position 3 is needed, so that the water meters of all specifications can be detected at one time, the efficiency is low and the testing cost is high. The test bench 5 is a moving device and is used for supporting the water meter, the water meter is hoisted and placed on the test bench when the test bench is used, the test bench is pushed into a test position in the middle of the front turntable and the rear turntable and is connected with the water pipes at two ends, and the height of the test bench is adjustable and is used for meeting the connection heights of different water meters.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the existing DN150-DN500 rotating disc type water meter calibrating device and provide a compact testing rotating disc type DN150-DN500 water meter calibrating device which can improve the productivity and the equipment utilization rate and reduce the testing cost.
The utility model adopts the technical scheme that the compact test rotating disc type DN150-DN500 water meter calibrating device comprises a water pipe and a rotating disc, wherein a test position is arranged between a front rotating disc and a rear rotating disc, and the compact test rotating disc type DN150-DN500 water meter calibrating device is characterized in that a test position II and a test position III are also arranged, the length of a front straight pipe section and a rear straight pipe section is not less than 6.5 meters, the test position II and the test position III are respectively and symmetrically arranged at two sides of the test position, and water meter detection interfaces are arranged at the test position II and the test position III of the water pipe matched with the DN150-DN300 water meter.
The utility model reserves the test position structure of the existing calibrating device, reasonably sets the length of the straight pipe segment, and can simultaneously detect 3 DN150-DN300 water meters by adding the test positions II and III on two sides to the middle parts of two ends of the straight pipe segment and adding the detection positions for the DN150-DN300 water meters, thereby improving the productivity and the equipment utilization rate and reducing the test cost.
The length of straight pipe sections before and after a DN400-DN500 test site is 6.5 meters, the length of the test site is 1.1 meters, the length of straight pipe sections before a DN150-DN300 test site is 3.1 meters, the length of the test site II is 0.55 meters, the length of straight pipe sections after the test site II is 3.1 meters, the length of the test site is 0.6 meters, the length of the test site III is 0.55 meters, and the length of the straight pipe sections before and after the test site is 3.1 meters. The length of the water meter of DN300 is 0.5 meter, the thickness of the water meter and the mounting flange is deducted, the lengths of the front end and the rear end of the water meter also meet the regulation that the lengths of the front straight pipe and the rear straight pipe of the test water meter are not less than 10 times of the nominal diameter of the test water meter, the length is set to be 3.1 meters, and thus the middle two sections of water pipes are dual-purpose, namely, the water outlet pipe of the front water meter is also the water inlet pipe of the rear water meter, and the utilization rate of the site is improved. The reasonable length setting of the straight pipe section not only meets the test regulation, but also minimizes the field.
The length of the straight pipe sections before and after the DN400-DN500 test site is 7.5 meters, the length of the test site is 1.1 meters, the length of the straight pipe section with the corresponding caliber before the DN150-DN300 water meter is 3.6 meters, the length of the straight pipe section with the corresponding caliber after the test site II is 0.55 meters, the length of the straight pipe section with the corresponding caliber after the test site II is 3.6 meters, the length of the test site is 0.6 meters, and similarly, the length of the straight pipe section before and after the test site III is 0.55 meters, and the length of the straight pipe section before and after the test site is 3.6 meters. The larger the pipe diameter is, the larger the disturbance degree of water flow is, and the length of the front and rear straight pipe sections is increased, so that the influence of the water flow on the detection precision is favorably reduced.
According to production experience, the production capacity of the water meter with the small caliber is larger than that of the water meter with the large caliber, the utility model provides more than two detection positions for DN150-DN300 in the same set of calibration device through reasonable design, thereby improving the production efficiency and the equipment utilization rate and reducing the test cost.
Drawings
FIG. 1 is a diagram showing the use state of a conventional DN150-DN500 rotary disk type water meter calibrating device
FIG. 2 top view of FIG. 1
FIG. 3 is a state diagram for detecting DN400-DN500 usage according to the present invention
FIG. 4 is a state diagram for detecting DN150-DN300 usage of the present invention
Wherein: the test bench comprises a test bench, a test bench and a test bench, wherein the test bench comprises a water pipe 1, a rotary table 2, a central shaft 21, a test bench, a disk 3, a test bench II, a test bench 32 test bench, a test bench and a test bench.
Detailed Description
The present invention is described in detail below with reference to the drawings, which illustrate examples that enable those skilled in the art to understand the present invention, but do not limit the present invention in any way.
As shown in fig. 3 and 4, a compact test rotating disc type DN150-DN500 water meter calibrating device is improved on the basis of the existing DN150-DN500 rotating disc type water meter calibrating device, and is composed of a water pipe 1, a test position 3 and a rotating disc 2, wherein the device is provided with 1 water inlet and 1 water outlet; the test position is positioned between the front rotary disc and the rear rotary disc, the test position II 31 and the test position III 32 are arranged in addition, the test position 3 is arranged in the middle, the length of the front and rear straight pipe sections is not less than 6.5 m, the test position II and the test position III are respectively and symmetrically positioned at two sides of the test position, water meter detection interfaces are arranged at the test position II and the test position III of the water meter matched with the DN150-DN300 standard, and discs 22 are arranged at two sides of the detection interfaces to fix the water pipe 1.
Example 1: the length of straight pipe sections before and after a DN400-DN500 test site is 6.5 meters, the length of the test site is 1.1 meters, the length of straight pipe sections of DN150-DN300 before a test site II is 3.1 meters, the length of the test site II is 0.55 meters, the length of straight pipe sections of DN150-DN300 after the test site II is 3.1 meters, the length of the test site is 0.6 meters, similarly, the length of a test site III is 0.55 meters, and the length of the straight pipe sections of the front and the rear are 3.1 meters, so that 3 DN150-DN300 water meters can be simultaneously measured.
Example 2: the length of the straight pipe sections before and after the DN400-DN500 test site is 7.5 meters, the length of the test site is 1.1 meters, the length of the straight pipe section with the corresponding caliber before the DN150-DN300 water meter is 3.6 meters, the length of the straight pipe section with the corresponding caliber after the test site II is 0.55 meters, the length of the straight pipe section with the corresponding caliber after the test site II is 3.6 meters, the length of the test site is 0.6 meters, and similarly, the length of the straight pipe section before and after the test site III is 0.55 meters, and the length of the straight pipe section before and after the test site is 3.6 meters. The larger the pipe diameter is, the larger the disturbance degree of water flow is, and the length of the front and rear straight pipe sections is increased, so that the influence of the water flow on the detection precision is favorably reduced.
When detecting the water meters with the DN150-DN300 specifications, the water meters 4 are respectively fixed on a test position, a test position II and a test position III through the test board 5, and 3 water meters can be detected simultaneously.
The rest of the parts which are not described are the same as the prior art.
Claims (3)
1. A compact test turntable type DN150-DN500 water meter calibrating device is composed of a water pipe and a turntable, wherein a test position is arranged between a front turntable and a rear turntable, and the compact test turntable type DN150-DN500 water meter calibrating device is characterized by further comprising a test position II and a test position III, the test position is arranged in the middle, the length of a front straight pipe section and a rear straight pipe section is not less than 6.5 meters, the test position II and the test position III are respectively and symmetrically arranged on two sides of the test position, and water meter detection interfaces are arranged on the test position II and the test position III of the water pipe matched with a DN150-DN300 water meter.
2. The compact test turntable type DN150-DN500 water meter calibrating device according to claim 1, wherein the lengths of the straight pipe sections before and after the DN400-DN500 test site are 6.5 meters, the length of the test site is 1.1 meters, the length of the straight pipe sections before the test site II is 3.1 meters, the length of the test site II is 0.55 meters, the length of the straight pipe sections after the test site II is 3.1 meters, the length of the test site is 0.6 meters, and similarly, the length of the test site III is 0.55 meters, and the lengths of the straight pipe sections before and after the test site III are 3.1 meters.
3. The compact test turntable type DN150-DN500 water meter calibrating device according to claim 1, wherein the lengths of the straight pipe sections before and after the DN400-DN500 test site are 7.5 meters, the length of the test site is 1.1 meters, the length of the straight pipe section with the corresponding caliber of the DN150-DN300 water meter before the test site II is 3.6 meters, the length of the test site II is 0.55 meters, the length of the straight pipe section with the corresponding caliber after the test site II is 3.6 meters, the length of the test site is 0.6 meters, and similarly, the length of the test site III is 0.55 meters, and the lengths of the straight pipe sections before and after the test site III are 3.6 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122680158.6U CN216206884U (en) | 2021-11-04 | 2021-11-04 | Compact test rotating disc type DN150-DN500 water meter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122680158.6U CN216206884U (en) | 2021-11-04 | 2021-11-04 | Compact test rotating disc type DN150-DN500 water meter calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206884U true CN216206884U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122680158.6U Active CN216206884U (en) | 2021-11-04 | 2021-11-04 | Compact test rotating disc type DN150-DN500 water meter calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216206884U (en) |
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2021
- 2021-11-04 CN CN202122680158.6U patent/CN216206884U/en active Active
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