CN210862858U - Flowmeter quality testing device - Google Patents
Flowmeter quality testing device Download PDFInfo
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- CN210862858U CN210862858U CN201921939320.8U CN201921939320U CN210862858U CN 210862858 U CN210862858 U CN 210862858U CN 201921939320 U CN201921939320 U CN 201921939320U CN 210862858 U CN210862858 U CN 210862858U
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Abstract
The utility model provides a flowmeter quality testing device, which relates to the flowmeter detection field, and comprises an operation console, a clamping mechanism and a pressing component, compared with the prior art that the flowmeter to be detected is installed on a corresponding flange plate through bolts for detection, the operation console and a hydraulic oil cylinder can quickly and efficiently lock the flowmeter to be detected, and effectively avoid the damage to the surface of the flowmeter to be detected; when the control valve is closed, the water pump presses the flowmeter to be detected, and the flowmeter to be detected can be subjected to a sealing test; when the control valve is opened, circulating water flowing through the flowmeter to be detected sequentially flows through the control valve and the detection unit, and the quality problem of the flowmeter to be detected can be detected if the change of the counting value of the flow to be detected exceeds a set range by comparing the numerical value change of the detection unit and the flowmeter to be detected.
Description
Technical Field
The utility model relates to a flowmeter detection area especially relates to a flowmeter quality testing device.
Background
The meters for measuring the flow of fluid are collectively called as flow meters or flow meters, which are one of the most important meters in industrial measurement, and along with the development of industry, the requirements on the accuracy and range of flow measurement are higher and higher, and in order to adapt to multiple purposes, various types of flow meters are published in succession, and are widely applied to industries such as petroleum and natural gas, petrochemical industry, water treatment, food and beverage, pharmacy, energy, metallurgy, pulp and paper, building materials and the like, and the flow meters are divided into differential pressure type flow meters, rotor flow meters, throttling type flow meters, slit flow meters, volume flow meters, electromagnetic flow meters, ultrasonic flow meters and the like; the classification by media can be classified into a liquid flow meter and a gas flow meter.
The existing flowmeter comprises a main body and flange plates integrally formed with two sides of the main body, and when the flowmeter is actually installed, the flange plates and the opposite flange plates fixed on a pipeline are fixed through bolts, so that the flowmeter is installed in place, therefore, when the existing factory is detected, the flowmeter is also installed on a detection device through a plurality of groups of bolts, pressure detection is carried out on the inside of the flowmeter, but the damage of a paint surface on the surface of the flowmeter is difficult to avoid in the detection process, and the appearance of a product is influenced; in addition, the existing flowmeter generally does not perform flow meter resistance detection and flow rate check, but in actual production, a large deviation exists when the flowmeter is used due to low mounting precision of the flowmeter, so that a plurality of problems exist in field application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a comprehensive quality control device who detects flowmeter seal, resistance value and flow.
The utility model discloses a realize through following technical scheme: the utility model provides a flowmeter quality testing device, which comprises an operation bench, clamping mechanism and suppress the subassembly, clamping mechanism includes the door type support with operation panel fixed connection and AND gate type support middle part fixed connection's hydraulic cylinder, suppress the subassembly and include water storage tank and water pump, it is equipped with the inlet opening to lie in hydraulic cylinder under on the operation panel, the delivery port of water pump is linked together through first pipeline and inlet opening, the parallelly connected front end manometer that has on the first pipeline, hydraulic cylinder's free end is equipped with the baffle with the flange export looks adaptation that waits to detect the flowmeter, be equipped with the apopore on the baffle, the apopore passes through second pipeline and water storage tank intercommunication, be equipped with the control valve on the second pipeline, detecting element and rear end manometer, rear end manometer and front end manometer are in same horizontal plane, detecting element is used for detecting the flow value of second pipeline.
The flowmeter to be detected is placed at the corresponding position of the operating platform by a worker, the hydraulic oil cylinder pushes the baffle to tightly abut against the outlet of the flowmeter, and compared with the prior method that the flowmeter to be detected is installed on a corresponding flange plate through bolts, the operating platform and the hydraulic oil cylinder can quickly and efficiently lock the flowmeter to be detected, and the surface of the flowmeter to be detected is effectively prevented from being damaged; the water outlet hole on the baffle is communicated with the water storage tank through a second pipeline, a control valve is arranged on the second pipeline, and when the control valve is closed, the water pump presses the flowmeter to perform a sealing test on the flowmeter to be detected; when the control valve is opened, circulating water flowing through the flowmeter to be detected sequentially flows through the control valve and the detection unit, and the quality problem of the flowmeter to be detected can be detected if the change of the counting value of the flow to be detected exceeds a set range by comparing the numerical value change of the detection unit and the flowmeter.
According to the technical scheme, preferably, the operation platform is provided with the electromagnet which attracts the flowmeter, the electromagnet is arranged in the operation platform in a sealing mode, and when the electromagnet is electrified, the electromagnet attracts the flowmeter to be detected to be close to the operation platform, so that the flowmeter to be detected can be further stabilized before the hydraulic oil cylinder compresses the flowmeter to be detected.
According to the technical scheme, preferably, the opposite sides of the baffle and the operation platform are provided with the sealing components for enhancing the sealing effect of the two sides of the flowmeter to be detected and preventing the two sides of the flowmeter to be detected from being decompressed in the pressurizing process.
According to the technical scheme, preferably, the sealing assembly comprises an elastic rubber ring, annular grooves are formed in the opposite sides of the baffle and the operating platform, the elastic rubber ring is located in the annular grooves, the annular grooves are opposite to the inner sides of the flange plates of the flowmeter to be detected, when the hydraulic oil cylinder presses down the flowmeter to be detected, the elastic rubber ring is extruded and deformed, and then the sealing effect of the flange plates on the upper side and the lower side of the flowmeter to be detected is enhanced.
According to the technical scheme, preferably, the detection unit is a standard flowmeter, the standard flowmeter is used as a reference template after being checked, the numerical difference between the standard flowmeter and the flowmeter to be detected is compared, if the numerical difference exceeds a set range, the error of the flowmeter to be detected can be larger, if the numerical difference is smaller than the set range, the error of the flowmeter to be detected can be smaller, the flowmeter to be detected conforms to the standard, and certainly, in order to avoid the accuracy of the standard flowmeter, the flowmeter should be periodically sent to a normal checking department for checking and auditing, so that the set range used relative to the standard flowmeter is determined.
According to the technical scheme, the water storage tank and the water pump are preferably located below the operating platform.
The utility model has the advantages that: the flowmeter to be detected is placed at the corresponding position of the operating platform by a worker, the hydraulic oil cylinder pushes the baffle to tightly abut against the outlet of the flowmeter, and compared with the prior method that the flowmeter to be detected is installed on a corresponding flange plate through bolts, the operating platform and the hydraulic oil cylinder can quickly and efficiently lock the flowmeter to be detected, and the surface of the flowmeter to be detected is effectively prevented from being damaged; the water outlet hole on the baffle is communicated with the water storage tank through a second pipeline, a control valve is arranged on the second pipeline, and when the control valve is closed, the water pump presses the flowmeter to be detected, so that the flowmeter to be detected can be subjected to a sealing test; when the control valve is opened, circulating water flowing through the flowmeter to be detected sequentially flows through the control valve and the detection unit, and the quality problem of the flowmeter to be detected can be detected if the change of the counting value of the flow to be detected exceeds a set range by comparing the numerical value change of the detection unit and the flowmeter to be detected.
Drawings
Fig. 1 shows the schematic structural diagram according to the embodiment of the present invention, and at this time, the flowmeter is placed in place to be detected, and the clamping mechanism has not clamped the flowmeter to be detected yet.
Fig. 2 shows another schematic diagram of a clamp mechanism clamping a flowmeter to be tested according to an embodiment of the present invention.
In the figure: 1. an operation table; 2. a gantry support; 3. a hydraulic cylinder; 4. a water storage tank; 5. a water pump; 6. a front end pressure gauge; 7. a water inlet hole; 8. a three-way joint; 9. a first pipeline; 10. a baffle plate; 11. a second pipeline; 12. a control valve; 13. a rear end pressure gauge; 14. a detection unit; 15. a flowmeter to be detected; 16. an electromagnet; 17. and (4) closing the assembly.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figures, the utility model provides a flowmeter quality inspection device, including operation panel 1, clamping mechanism and suppress the subassembly, clamping mechanism includes door type support 2 and the hydraulic cylinder 3 with door type support 2 middle part fixed connection with operation panel 1 fixed connection, suppress the subassembly and include water storage tank 4, water pump 5 and front end manometer 6, in order to guarantee the precision of test, the water in the water storage tank 4 should be changed regularly, and water pump 5 is current adjustable pressure water pump 5, be located under hydraulic cylinder 3 on operation panel 1 and be equipped with inlet opening 7, inlet opening 7 department is equipped with three way connection 8, three interfaces of three way connection 8 are connected with water pump 5, inlet opening 7 and front end manometer 6 respectively, the delivery port of water pump 5 is linked together through first pipeline 9 and inlet opening 7, the free end of hydraulic cylinder 3 is equipped with the baffle 10 with the flange export looks adaptation of waiting to detect the flowmeter, the baffle 10 is provided with a water outlet hole, the water outlet hole is communicated with the water storage tank 4 through a second pipeline 11, the second pipeline 11 is provided with a control valve 12, a rear end pressure gauge 13 and a detection unit 14, the control valve 12 is used for controlling the opening and closing of the second pipeline 11, the detection unit 14 is used for detecting the flow value of the second pipeline 11, the rear end pressure gauge 13 is fixed on the door-shaped support 2 and is positioned on the same horizontal plane with the front end pressure gauge, the detection unit 14 can adopt a standard flow meter, the standard flow meter is checked to be used as a reference template, by comparing the numerical difference of the standard flow meter and the flow meter 15 to be detected, if the numerical difference exceeds a set range, the error of the flow meter 15 to be detected can be obtained to be larger, if the numerical difference is smaller than the set range, the error of the flow meter 15 to be detected can be obtained to be, and the information is sent to a regular checking department for checking and verifying periodically so as to determine the corresponding set range.
Detection process
A worker places the flowmeter 15 to be detected at a corresponding position of the operating platform 1, the inlet and the outlet of the flowmeter are positioned in the same vertical direction, and the free end of the hydraulic oil cylinder 3 pushes the baffle 10 to move downwards until the baffle 10 tightly abuts against the outlet of the flowmeter to be detected;
(1) and (3) air tightness detection: the control valve 12 on the second pipeline 11 is in a closed state, the water pump 5 is started, water in the water storage tank 4 enters the flowmeter to be detected through the water pump 5 and the water inlet 7 of the operating platform 1, after the water is pressurized to a set value, one end of pressure is kept for a certain time, the change of the front end pressure gauge 6 is observed, and after a certain time, if the numerical value of the front end pressure gauge 6 is within a set range, the airtightness of the flowmeter to be detected is determined to be good; if the value of the front-end pressure gauge 6 is greatly reduced in the set time, the air tightness of the flowmeter 15 to be detected has a problem;
(2) detecting the resistance and flow precision of the flowmeter: opening a control valve 12 on a second pipeline 11, driving water in the flowmeter to be detected to sequentially pass through a rear-end pressure gauge 13, the control valve 12 and a standard flowmeter under the drive of a water pump 5, wherein the front-end pressure gauge and the rear-end pressure gauge 13 are positioned on the same horizontal plane, and comparing the reading difference between the front-end pressure gauge and the rear-end pressure gauge, the pressure values of the front side and the rear side of the flowmeter to be detected can be obtained, so that the resistance degree of the flowmeter to be detected; by comparing the numerical value changes of the flowmeter 15 to be detected and the standard flowmeter, if the flow counting value changes beyond the set range, the quality problem of the flowmeter 15 to be detected can be detected.
Further, the operation platform 1 is provided with an electromagnet 16 which attracts the flowmeter to be detected, the electromagnet 16 is arranged in the operation platform 1 in a sealing mode, and when the electromagnet 16 is electrified, the electromagnet 16 attracts the flowmeter to be detected to be close to the operation platform 1, so that the flowmeter 15 to be detected can be further stabilized before the hydraulic oil cylinder 3 compresses the flowmeter 15 to be detected.
According to the above embodiment, preferably, the opposite sides of the baffle 10 and the operation platform 1 are provided with the sealing component 17, the sealing component 17 includes an elastic rubber ring, the opposite sides of the baffle 10 and the operation platform 1 are provided with an annular groove, a part of the elastic rubber ring is located in the annular groove, the annular groove is opposite to the inner side of the flange of the flowmeter 15 to be detected, when the hydraulic oil cylinder 3 presses down the flowmeter 15 to be detected, the elastic rubber ring is extruded and deformed, so that the sealing effect of the flanges on the upper side and the lower side of the flowmeter is enhanced, and pressure release on two sides of the flowmeter to be detected is prevented in.
Furthermore, the water storage tank 4 and the water pump 5 are positioned below the operation platform 1, so that the operation space of the operation platform 1 is saved.
The utility model has the advantages that: the working personnel place the flowmeter 15 to be detected at the corresponding position of the operating platform 1, the hydraulic oil cylinder 3 pushes the baffle 10 to tightly abut against the outlet of the flowmeter, and compared with the prior art that the flowmeter to be detected is installed on a corresponding flange plate through bolts, the operating platform 1 and the hydraulic oil cylinder can quickly and efficiently lock the flowmeter and effectively avoid the damage to the surface of the flowmeter to be detected; the water outlet hole on the baffle 10 is communicated with the water storage tank 4 through a second pipeline 11, a control valve 12 is arranged on the second pipeline 11, and when the control valve 12 is closed, the water pump 5 presses the flowmeter to be detected, so that the flowmeter to be detected can be subjected to a sealing test; when the control valve 12 is opened, circulating water flowing through the flowmeter 15 to be detected sequentially flows through the control valve 12 and the detection unit 14, and by comparing the numerical value changes of the detection unit 14 and the flowmeter, if the flow counting value changes beyond a set range, the quality problem of the flowmeter 15 to be detected can be detected.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A flowmeter quality inspection device is characterized by comprising an operation platform, a clamping mechanism and a pressing assembly, wherein the clamping mechanism comprises a door-shaped support fixedly connected with the operation platform and a hydraulic cylinder fixedly connected with the middle part of the door-shaped support, the pressing assembly comprises a water storage tank and a water pump, a water inlet hole is arranged under the hydraulic cylinder on the operation platform, a water outlet of the water pump is communicated with the water inlet hole through a first pipeline, a front-end pressure gauge is connected on the first pipeline in parallel, a baffle matched with a flange outlet of a flowmeter to be detected is arranged at the free end of the hydraulic cylinder, a water outlet hole is arranged on the baffle and communicated with the water storage tank through a second pipeline, a control valve, a detection unit and a rear-end pressure gauge are arranged on the second pipeline, the rear-end pressure gauge and the front-end pressure gauge are positioned on the same horizontal plane, the detection unit is used for detecting the flow value of the second pipeline.
2. The flowmeter quality inspection device of claim 1, wherein the console is provided with an electromagnet which attracts the flowmeter, the electromagnet is sealed in the console, and when the electromagnet is energized, the electromagnet attracts the flowmeter to be close to the console.
3. The flowmeter quality testing device of claim 2, wherein the baffle and the opposite side of the console are provided with a sealing component.
4. The flowmeter quality testing device of claim 3, wherein the sealing assembly comprises an elastic rubber ring, and annular grooves are formed in opposite sides of the baffle and the operating platform, and parts of the elastic rubber ring are located in the annular grooves.
5. The flowmeter quality inspection device of claim 4, wherein the detection unit is a standard flowmeter.
6. The flowmeter quality testing device of claim 5, wherein the water storage tank and the water pump are located below the console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939320.8U CN210862858U (en) | 2019-11-11 | 2019-11-11 | Flowmeter quality testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939320.8U CN210862858U (en) | 2019-11-11 | 2019-11-11 | Flowmeter quality testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210862858U true CN210862858U (en) | 2020-06-26 |
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ID=71309155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921939320.8U Active CN210862858U (en) | 2019-11-11 | 2019-11-11 | Flowmeter quality testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210862858U (en) |
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2019
- 2019-11-11 CN CN201921939320.8U patent/CN210862858U/en active Active
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