CN214621643U - Vacuum valve and safety valve test bed - Google Patents
Vacuum valve and safety valve test bed Download PDFInfo
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- CN214621643U CN214621643U CN202121116763.4U CN202121116763U CN214621643U CN 214621643 U CN214621643 U CN 214621643U CN 202121116763 U CN202121116763 U CN 202121116763U CN 214621643 U CN214621643 U CN 214621643U
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- valve
- vacuum
- cabinet body
- fixing seat
- pressure gauge
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Abstract
The utility model discloses a vacuum valve and relief valve test bench, it constitutes including the cabinet body, its characterized in that: a vacuum pump, a vacuum tank, a gas storage tank and an oil-water separator with a pressure regulating valve are arranged in the cabinet body; the right end of the upper surface of the cabinet body is provided with an instrument desk, and the left end of the cabinet body is provided with a test desk; a negative pressure gauge and a pressure gauge are installed on the instrument desk, and a needle valve I and a needle valve II are installed at the right end of the upper surface of the cabinet body, corresponding to the negative pressure gauge and the pressure gauge; a vacuum valve fixing seat and a safety valve fixing seat are fixedly arranged on the test board; the utility model discloses simple structure, it is convenient to detect, can effectively detect the performance of vacuum valve and relief valve, prevents to install the tank car with the product of defective performance on, improves the security performance of tank car.
Description
Technical Field
The utility model relates to a tank truck spare part detects technical field, in particular to vacuum valve and relief valve test bench.
Background
In the prior art, a vacuum valve and a safety valve need to be assembled when a tank body of a tank truck is assembled. After a company produces finished vacuum valves or safety valves, the performance of the finished vacuum valves or safety valves needs to be detected, the conventional detection equipment is complex, one equipment can only detect one product, and if two products need to be detected, two kinds of detection equipment need to be purchased, so that the investment of the company is increased, and the area of a factory area of the company is occupied.
Disclosure of Invention
In order to overcome the not enough among the prior art, the utility model provides a vacuum valve and relief valve test bench, its constitution includes the cabinet body, its characterized in that: a vacuum pump, a vacuum tank, a gas storage tank and an oil-water separator with a pressure regulating valve are arranged in the cabinet body; the right end of the upper surface of the cabinet body is provided with an instrument desk, and the left end of the cabinet body is provided with a test desk; a negative pressure gauge and a pressure gauge are installed on the instrument desk, and a needle valve I and a needle valve II are installed at the right end of the upper surface of the cabinet body, corresponding to the negative pressure gauge and the pressure gauge; a vacuum valve fixing seat and a safety valve fixing seat are fixedly arranged on the test board;
the first needle valve is connected with a vacuum pump and a vacuum tank through pipelines respectively, the vacuum tank is connected with a negative pressure meter and a vacuum valve fixing seat through pipelines respectively, two sides of the vacuum valve fixing seat are fixedly provided with a first support column, the top end of the first support column is fixedly provided with a first fixed plate, the first fixed plate is fixedly provided with a first air cylinder, and the end part of the first air cylinder penetrates through a first lower pressing plate of the first fixed plate and is fixedly connected with the first lower pressing plate;
the needle valve II is connected with the oil-water separator through a pipeline respectively, the oil-water separator is connected with an external air source through a pipeline, the air storage tank is connected with the pressure gauge and the safety valve fixing seat respectively through a pipeline, two sides of the safety valve fixing seat are fixedly provided with a second supporting column, the top end of the second supporting column is fixedly provided with a second fixing plate, the second fixing plate is fixedly provided with a second air cylinder, and the end part of the second air cylinder penetrates through the second lower pressing plate of the second fixing plate to be fixedly connected.
In order to move the device conveniently, universal wheels are fixedly installed at four corners of the bottom of the cabinet body.
In order to facilitate faster pressure relief after detection, a first exhaust valve and a second exhaust valve are further mounted on the upper surface of the cabinet body, a first three-way valve is mounted on a pipeline between the vacuum tank and the vacuum valve fixing seat, the first three-way valve is communicated with the first exhaust valve through a pipeline, a second three-way valve is mounted on a pipeline between the gas storage tank and the safety valve fixing seat, and the second three-way valve is communicated with the second exhaust valve through a pipeline.
In order to facilitate the operation of the first cylinder and the second cylinder, a first cylinder switch and a second cylinder switch are further installed on the instrument desk, and the first cylinder switch and the second cylinder switch are respectively connected with the first cylinder and the second cylinder.
The utility model has the advantages that: the utility model discloses can inspect vacuum valve and relief valve simultaneously, simplify detection device, reduce the cost of enterprises. The device simple structure detects the convenience, can effectively detect the performance of vacuum valve and relief valve, prevents to install the tank car with the defective product of performance on, improves the security performance of tank car.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the vacuum cabinet comprises a cabinet body 1, universal wheels 2, a vacuum tank 3, a gas storage tank 4, an oil-water separator 5, an instrument desk 6, a pressure gauge 7, a negative pressure gauge 8, a vacuum pump 9, a vacuum valve fixing seat 10, a support column I11, a lower pressing plate I12, a cylinder I13, a fixing plate I14, a safety valve fixing seat 15, a cylinder II 16, a fixing plate II 17, a support column II 18, a lower pressing plate II 19, a needle valve I20, a needle valve II 21, a discharge valve I22, a discharge valve II 23, a three-way valve I24, a three-way valve II 25, a cylinder switch II 26 and a cylinder switch I27.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
In fig. 1, a vacuum valve and safety valve test stand, its constitution includes cabinet body 1, its characterized in that: a vacuum pump 9, a vacuum tank 3, a gas storage tank 4 and an oil-water separator 5 with a pressure regulating valve are arranged in the cabinet body 1; the right end of the upper surface of the cabinet body 1 is provided with an instrument desk 6, and the left end of the upper surface of the cabinet body is provided with a test desk; a negative pressure gauge 8 and a pressure gauge 7 are installed on the instrument desk 6, and a needle valve I20 and a needle valve II 21 are installed at the right end of the upper surface of the cabinet body 1 corresponding to the negative pressure gauge 8 and the pressure gauge 7; a vacuum valve fixing seat 10 and a safety valve fixing seat 15 are fixedly arranged on the test board;
the needle valve I20 is respectively connected with the vacuum pump 9 and the vacuum tank 3 through pipelines, the vacuum tank 3 is respectively connected with the negative pressure gauge 8 and the vacuum valve fixing seat 10 through pipelines, supporting columns I11 are fixedly installed on two sides of the vacuum valve fixing seat 10, a fixing plate I14 is fixedly installed at the top end of each supporting column I11, an air cylinder I13 is fixedly installed on each fixing plate I14, and the end part of each air cylinder I13 penetrates through a lower pressing plate I12 of each fixing plate I14 to be fixedly connected;
the needle valve II 21 is respectively connected with the oil-water separator 5 through a pipeline and the gas storage tank 4, the oil-water separator 5 is externally connected with a gas source through a pipeline, the gas storage tank 4 is respectively connected with the safety valve fixing seat 15 through a pipeline and the safety valve fixing seat 15, two supporting columns II 18 are fixedly mounted on two sides of the safety valve fixing seat 15, a fixing plate II 17 is fixedly mounted at the top ends of the supporting columns II 18, a cylinder II 16 is fixedly mounted on the fixing plate II 17, and the end portion of the cylinder II 16 penetrates through a lower pressing plate II 19 of the fixing plate II 17 to be fixedly connected.
Furthermore, universal wheels 2 are fixedly installed at four corners of the bottom of the cabinet body 1.
Further, a first exhaust valve 22 and a second exhaust valve 23 are further mounted on the upper surface of the cabinet body 1, a first three-way valve 24 is mounted on a pipeline between the vacuum tank 3 and the vacuum valve fixing seat 10, the first three-way valve 24 is communicated with the first exhaust valve 22 through a pipeline, a second three-way valve 25 is mounted on a pipeline between the gas storage tank 4 and the safety valve fixing seat 15, and the second three-way valve 25 is communicated with the second exhaust valve 23 through a pipeline.
Further, a first air cylinder switch 27 and a second air cylinder switch 26 are further mounted on the instrument desk 6, and the first air cylinder switch 27 and the second air cylinder switch 26 are respectively connected with the first air cylinder 13 and the second air cylinder 16.
When the vacuum valve or the safety valve needs to be detected, the vacuum valve or the safety valve is fixed on the vacuum valve fixing seat 10 or the safety valve fixing seat 15, the first air cylinder 13 or the second air cylinder 16 is started, and the first lower pressing plate 12 or the second lower pressing plate 19 presses the vacuum valve or the safety valve to be firmly fixed on the vacuum valve fixing seat 10 or the safety valve fixing seat 15. When the vacuum valve is detected, the vacuum pump 9 is started, the first needle valve 20 is opened, the vacuum pump 9 is started, and when the negative pressure gauge 8 reaches-0.01 MPa, whether each connecting part leaks or not is checked, and the indication of the pressure gauge is confirmed to be normal. And (3) operating the first needle valve (20), slowly increasing the pressure until the vacuum valve is opened, recording the pressure value (discharge pressure, reference value: -21 to-24 kpa) of the pressure gauge, stopping air supply to enable the vacuum valve to keep a one-minute leakage-free state (the pressure value does not drop) in a sealing test pressure state, and recording whether the leakage exists. And after the detection is finished, the vacuum pump 9 is closed, the first exhaust valve 22 is opened, the test pressure is reduced to 0, the first air cylinder 13 is closed, the switch is opened, the vacuum valve is loosened, and the vacuum valve is taken out. When the safety valve is detected, the external air source main valve is opened, the needle valve II 21 is opened to slowly increase the inlet pressure of the safety valve, when the pressure reaches 0.1MPa, whether each connecting part leaks or not is checked, and the indication of each instrument is confirmed to be normal; when 90% of the set pressure is reached, slowly boosting the pressure to ensure that the boosting pressure per second does not exceed 0.01 MPa; continuously increasing the inlet pressure of the safety valve until the safety valve is opened, and recording the pressure value (discharge pressure) of the pressure gauge; and (3) operating the second needle valve 21 to stop supplying air, recording the pressure value (setting pressure) of the pressure gauge after the safety valve is closed, stopping supplying air to enable the safety valve to keep no leakage (the pressure value is not reduced) for one minute in a sealed test pressure state, recording whether the leakage exists, opening the second exhaust valve 23 to reduce the test pressure to 0, closing the second air cylinder 16, opening a switch to release the safety valve, and taking out the safety valve.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a vacuum valve and relief valve test bench, its constitution includes cabinet body (1), its characterized in that: a vacuum pump (9), a vacuum tank (3), a gas storage tank (4) and an oil-water separator (5) with a pressure regulating valve are arranged in the cabinet body (1); the right end of the upper surface of the cabinet body (1) is provided with an instrument desk (6), and the left end of the cabinet body is provided with a test desk; a negative pressure gauge (8) and a pressure gauge (7) are installed on the instrument desk (6), and a needle valve I (20) and a needle valve II (21) are installed at the right end of the upper surface of the cabinet body (1) corresponding to the negative pressure gauge (8) and the pressure gauge (7); a vacuum valve fixing seat (10) and a safety valve fixing seat (15) are fixedly arranged on the test board;
the needle valve I (20) is respectively connected with a vacuum pump (9) and a vacuum tank (3) through pipelines, the vacuum tank (3) is respectively connected with a negative pressure gauge (8) and a vacuum valve fixing seat (10) through pipelines, supporting columns I (11) are fixedly installed on two sides of the vacuum valve fixing seat (10), a fixing plate I (14) is fixedly installed at the top end of each supporting column I (11), an air cylinder I (13) is fixedly installed on each fixing plate I (14), and the end portion of each air cylinder I (13) penetrates through a lower pressing plate I (12) of each fixing plate I (14) to be fixedly connected;
needle valve two (21) are connected in gas holder (4) and oil water separator (5) respectively through the pipeline, oil water separator (5) are through the external air supply of pipeline, gas holder (4) are connected in manometer (7) and relief valve fixing base (15) respectively through the pipeline, the both sides fixed mounting of relief valve fixing base (15) has support column two (18), the top fixed mounting of support column two (18) has fixed plate two (17), fixed mounting has cylinder two (16) on fixed plate two (17), the tip of cylinder two (16) passes holding down plate two (19) fixed connection of fixed plate two (17).
2. The vacuum valve and safety valve test stand of claim 1, wherein: the universal wheels (2) are fixedly installed at the four corners of the bottom of the cabinet body (1).
3. The vacuum valve and safety valve test stand of claim 1, wherein: the upper surface of the cabinet body (1) is further provided with a first exhaust valve (22) and a second exhaust valve (23), a first three-way valve (24) is installed on the pipeline between the vacuum tank (3) and the vacuum valve fixing seat (10), the first three-way valve (24) is communicated with the first exhaust valve (22) through the pipeline, a second three-way valve (25) is installed on the pipeline between the gas storage tank (4) and the safety valve fixing seat (15), and the second three-way valve (25) is communicated with the second exhaust valve (23) through the pipeline.
4. The vacuum valve and safety valve test stand of claim 1, wherein: and a first cylinder switch (27) and a second cylinder switch (26) are further mounted on the instrument desk (6), and the first cylinder switch (27) and the second cylinder switch (26) are respectively connected with the first cylinder (13) and the second cylinder (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116763.4U CN214621643U (en) | 2021-05-24 | 2021-05-24 | Vacuum valve and safety valve test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116763.4U CN214621643U (en) | 2021-05-24 | 2021-05-24 | Vacuum valve and safety valve test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214621643U true CN214621643U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121116763.4U Active CN214621643U (en) | 2021-05-24 | 2021-05-24 | Vacuum valve and safety valve test bed |
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| Country | Link |
|---|---|
| CN (1) | CN214621643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235385A (en) * | 2022-01-19 | 2022-03-25 | 浙江嘉隆机械设备有限公司 | Multifunctional valve comprehensive test bench and safety valve test method |
-
2021
- 2021-05-24 CN CN202121116763.4U patent/CN214621643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235385A (en) * | 2022-01-19 | 2022-03-25 | 浙江嘉隆机械设备有限公司 | Multifunctional valve comprehensive test bench and safety valve test method |
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