CN218937675U - Sealing performance testing device for cooling water channel of differential pressure sensor assembly - Google Patents
Sealing performance testing device for cooling water channel of differential pressure sensor assembly Download PDFInfo
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- CN218937675U CN218937675U CN202123008656.2U CN202123008656U CN218937675U CN 218937675 U CN218937675 U CN 218937675U CN 202123008656 U CN202123008656 U CN 202123008656U CN 218937675 U CN218937675 U CN 218937675U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model aims to provide a sealing performance testing device for a cooling water channel of a differential pressure sensor assembly, which comprises a base, wherein a stand column is arranged on the base, an upper end plate is arranged at the upper end of the stand column, a positioning tool assembly for placing the differential pressure sensor is detachably connected to the base, and a positioning groove is formed in the tool assembly; a test vent pipe is arranged on the base, and a second plug and an air hole are arranged at the upper end of the test vent pipe; the upper end plate is provided with a first lifting driving device and a second lifting driving device, the first lifting driving device is connected with a lifting rod, and the lower end of the lifting rod is provided with a first plug; the second lifting driving device is connected with a pressing plate for pressing the differential pressure sensor. The utility model is simple and convenient to use, and can meet the test requirements of a large number of products; the positioning tool assembly is detachably connected to the base, and can be replaced according to products of different types, so that the universality of the pressure difference sensor testing device is improved.
Description
Technical Field
The utility model relates to a testing device, in particular to a sealing performance testing device for a cooling water channel of a differential pressure sensor assembly.
Background
A differential pressure sensor is a sensor that is used to measure the difference between two pressures, typically the pressure difference across a device or component. The existing differential pressure sensor is provided with a cooling water channel, and in the production process, the tightness of the cooling water channel is required to be tested. During testing, two ends of the cooling water channel are blocked, then gas with certain pressure is introduced into one end of the cooling water channel and is kept for a period of time, air pressure data in the cooling water channel are collected through the pressure sensor, and the tightness of the cooling water channel is judged through the pressure data.
When the tightness of the cooling water channel on the differential pressure sensor is tested by the existing testing device, the testing process is troublesome, and the testing device is difficult to be suitable for products of different types and has poor universality.
Disclosure of Invention
The utility model aims to solve the problems that the existing testing device is troublesome in testing process and is difficult to be suitable for different types of products and poor in universality when the sealing performance of a cooling water channel on a differential pressure sensor is tested, and provides the sealing performance testing device for the cooling water channel of the differential pressure sensor assembly, which can effectively solve the problems.
The utility model aims at realizing the following technical scheme: the utility model provides a differential pressure sensor assembly cooling water passageway leakproofness testing arrangement, includes the base, is provided with the stand on the base, and the upper end of stand is provided with the upper end plate, is connected with the location frock assembly that is used for placing differential pressure sensor on the base detachably, is provided with positioning groove on the frock assembly; a test vent pipe is arranged on the base, and a second plug and an air hole are arranged at the upper end of the test vent pipe; the upper end plate is provided with a first lifting driving device and a second lifting driving device, the first lifting driving device is connected with a lifting rod, and the lower end of the lifting rod is provided with a first plug; the second lifting driving device is connected with a pressing plate for pressing the differential pressure sensor.
When the positioning tool assembly is used, the differential pressure sensor is firstly placed on the positioning tool assembly, and the differential pressure sensor is positioned through the positioning groove; after the placing is finished, a second plug on the test vent pipe plugs one end of a cooling water channel on the differential pressure sensor; then the pressing plate descends to compress the differential pressure sensor, and meanwhile, the lifting rod descends, and the first plug at the lower end of the lifting rod plugs the other end of the cooling water channel on the differential pressure sensor; and then, the test vent pipe is used for introducing compressed air with certain pressure into the cooling water channel through the air hole and keeping the compressed air for a period of time, the pressure sensor is arranged at the upper end of the test vent pipe and can be used for measuring the air pressure in the cooling water channel, and the tightness of the cooling water channel is tested through the acquisition and analysis of pressure data. After the test is finished, the lifting rod and the pressing plate are lifted and reset, and finally the tested differential pressure sensor is taken down from the positioning tool assembly. The utility model is simple and convenient to use, and can effectively meet the test requirement of mass products. The positioning tool assembly is detachably connected to the base, and can be replaced according to products of different types, so that the positioning tool assembly can be suitable for testing requirements of products of different types, and the universality of the pressure difference sensor testing device is improved.
Preferably, the upright post is connected with a fixing plate, the fixing plate is positioned below the upper end plate, the fixing plate is provided with a guide hole, and the lifting rod passes through the guide hole.
Preferably, the positioning tool assembly comprises a connecting plate and a placing plate, wherein the positioning groove is formed in the placing plate, a guide rod is arranged on the placing plate, a guide sleeve matched with the guide rod is arranged on the connecting plate, and the guide rod is in sliding connection with the guide sleeve; a spring is arranged between the placing plate and the connecting plate and sleeved on the guide rod; the connecting plate is provided with a second pin hole, and the base is provided with a first pin hole corresponding to the second pin hole; the connecting plate is connected with the base in a positioning way through a positioning pin. The connecting plate is connected with the base through the locating pin, so that the connection is reliable, and the connecting plate is convenient to install and detach.
Preferably, the placement plate is provided with a guard plate.
Preferably, the placing plate is provided with a through hole, the test vent pipe penetrates through the through hole, and the upper end of the test vent pipe is higher than the positioning groove. The upper end of the test vent pipe is higher than the positioning groove and corresponds to one of the connecting ends on the differential pressure sensor, when the differential pressure sensor is placed on the placing plate, the second plug at the upper end of the test vent pipe plugs one end of the cooling water channel, and gas with certain pressure is filled into the cooling water channel through the air hole.
Preferably, the first lifting driving device and the second lifting driving device are both cylinders.
Preferably, the base is provided with a avoiding hole corresponding to the guide rod.
The beneficial effects of the utility model are as follows: the utility model is simple and convenient to use, and can effectively meet the test requirements of mass products; the positioning tool assembly is detachably connected to the base, and can be replaced according to products of different types, so that the positioning tool assembly can be suitable for testing requirements of products of different types, and the universality of the pressure difference sensor testing device is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic view of the structure of the present utility model with the positioning tooling assembly removed.
Fig. 3 is a schematic structural diagram of the positioning tool assembly.
In the figure: 1. base, 2, stand, 3, upper end plate, 4, first lift drive, 5, lifter, 6, first end cap, 7, second lift drive, 8, clamp plate, 9, fixed plate, 10, test breather pipe, 11, location frock assembly, 13, second end cap, 14, gas pocket, 15, first pinhole, 16, dodge hole, 17, connecting plate, 18, place the board, 19, backplate, 20, positioning groove, 21, through-hole, 22, guide bar, 23, uide bushing, 24, spring, 25, second pinhole, 26, pressure sensor.
Detailed Description
The utility model is further described below by means of specific embodiments in connection with the accompanying drawings.
Example 1:
as shown in fig. 1 to 3, a sealing performance testing device for a cooling water channel of a differential pressure sensor assembly comprises a base 1, wherein an upright post 2 is arranged on the base 1, and an upper end plate 3 is arranged at the upper end of the upright post 1. The base 1 is detachably connected with a positioning tool assembly 11 for placing the differential pressure sensor. The positioning tool assembly comprises a connecting plate 17 and a placing plate 18, and the placing plate 18 is located above the connecting plate 17. The placement plate 18 is provided with a positioning groove 20 for positioning the differential pressure sensor. The placing plate 18 is provided with a guide rod 22, and the connecting plate 17 is provided with a guide sleeve 23 matched with the guide rod 22. The guide rod 22 is in sliding connection with the guide sleeve 23. A spring 24 is arranged between the placing plate 18 and the connecting plate 17, and the spring 24 is sleeved on the guide rod 22. The base 1 is provided with an avoidance hole 16 corresponding to the guide rod. The connecting plate 17 is provided with a bolt hole 25, and the base 1 is provided with a threaded hole 15 corresponding to the bolt hole 25; the connecting plate 17 is connected with the base 1 through bolts. The placement plate 18 is provided with a cover 19.
The base 1 is provided with a test vent pipe 10, and the test vent pipe 10 is vertically arranged. The upper end of the test vent pipe 10 is provided with a second plug 13, an air hole 14 and a pressure sensor 26. The air hole 14 is located above the second plug 13. The placing plate 18 is provided with a through hole 21, the test vent pipe 10 passes through the through hole 21, and the upper end of the test vent pipe 10 is higher than the positioning groove 20. The upper end of the test vent pipe is higher than the positioning groove and corresponds to one of the connecting ends on the differential pressure sensor, when the differential pressure sensor is placed on the placing plate, the second plug at the upper end of the test vent pipe plugs one of the connecting ends on the differential pressure sensor, and gas with certain pressure is filled into the connecting end through the air hole.
The upper end plate 3 is provided with a first lifting driving device 4 and a second lifting driving device 7, the first lifting driving device 4 is connected with a lifting rod 5, and the lower end of the lifting rod 5 is provided with a first plug 6. The second lifting driving device 7 is connected with a pressing plate 8 for pressing the differential pressure sensor. The first lifting driving device and the second lifting driving device are both air cylinders. The upright post 2 is connected with a fixing plate 9, the fixing plate 9 is positioned below the upper end plate 3, a guide hole is formed in the fixing plate 9, and the lifting rod 5 penetrates through the guide hole.
When the positioning tool assembly is used, the differential pressure sensor is firstly placed on the positioning tool assembly, and the differential pressure sensor is positioned through the positioning groove; after the placing is finished, a second plug on the test vent pipe plugs one end of a cooling water channel on the differential pressure sensor; then the pressing plate descends to compress the differential pressure sensor, and meanwhile, the lifting rod descends, and the first plug at the lower end of the lifting rod plugs the other end of the cooling water channel on the differential pressure sensor; and then, the test vent pipe is used for introducing compressed air with certain pressure into the cooling water channel through the air hole and keeping the compressed air for a period of time, the pressure sensor is arranged at the upper end of the test vent pipe and can be used for measuring the air pressure in the cooling water channel, and the tightness of the cooling water channel is tested through the acquisition and analysis of pressure data. After the test is finished, the lifting rod and the pressing plate are lifted and reset, and finally the tested differential pressure sensor is taken down from the positioning tool assembly. The utility model is simple and convenient to use, and can effectively meet the test requirement of mass products. The positioning tool assembly is detachably connected to the base, and can be replaced according to products of different types, so that the positioning tool assembly can be suitable for testing requirements of products of different types, and the universality of the pressure difference sensor testing device is improved.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that would fall within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a differential pressure sensor assembly cooling water passageway leakproofness testing arrangement which characterized in that: the pressure difference sensor positioning tool comprises a base, wherein a stand column is arranged on the base, an upper end plate is arranged at the upper end of the stand column, a positioning tool assembly for placing the pressure difference sensor is detachably connected to the base, and a positioning groove is formed in the tool assembly; a test vent pipe is arranged on the base, and a second plug and an air hole are arranged at the upper end of the test vent pipe; the upper end plate is provided with a first lifting driving device and a second lifting driving device, the first lifting driving device is connected with a lifting rod, and the lower end of the lifting rod is provided with a first plug; the second lifting driving device is connected with a pressing plate for pressing the differential pressure sensor.
2. The device for testing the tightness of the cooling water channel of the differential pressure sensor assembly according to claim 1, wherein the upright post is connected with a fixing plate, the fixing plate is positioned below the upper end plate, the fixing plate is provided with a guide hole, and the lifting rod passes through the guide hole.
3. The cooling water channel tightness testing device of the differential pressure sensor assembly according to claim 1 or 2, wherein the positioning tool assembly comprises a connecting plate and a placing plate, the positioning groove is arranged on the placing plate, a guide rod is arranged on the placing plate, a guide sleeve matched with the guide rod is arranged on the connecting plate, and the guide rod is in sliding connection with the guide sleeve; a spring is arranged between the placing plate and the connecting plate and sleeved on the guide rod; the connecting plate is provided with a second pin hole, and the base is provided with a first pin hole corresponding to the second pin hole; the connecting plate is connected with the base in a positioning way through a positioning pin.
4. A differential pressure sensor assembly cooling water passage tightness testing device according to claim 3, wherein the placing plate is provided with a guard plate.
5. A differential pressure sensor assembly cooling water passage tightness testing device according to claim 3, wherein the placement plate is provided with a through hole, the test vent pipe passes through the through hole, and the upper end of the test vent pipe is higher than the positioning groove.
6. A differential pressure sensor assembly cooling water passage tightness testing device according to claim 3, wherein said first lifting driving means and said second lifting driving means are each air cylinders.
7. The device for testing the tightness of the cooling water channel of the differential pressure sensor assembly according to claim 3, wherein the base is provided with an avoidance hole corresponding to the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123008656.2U CN218937675U (en) | 2021-12-01 | 2021-12-01 | Sealing performance testing device for cooling water channel of differential pressure sensor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123008656.2U CN218937675U (en) | 2021-12-01 | 2021-12-01 | Sealing performance testing device for cooling water channel of differential pressure sensor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218937675U true CN218937675U (en) | 2023-04-28 |
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ID=86062385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123008656.2U Active CN218937675U (en) | 2021-12-01 | 2021-12-01 | Sealing performance testing device for cooling water channel of differential pressure sensor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218937675U (en) |
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2021
- 2021-12-01 CN CN202123008656.2U patent/CN218937675U/en active Active
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