CN215109769U - Take-off pressure detection device of safety valve - Google Patents
Take-off pressure detection device of safety valve Download PDFInfo
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- CN215109769U CN215109769U CN202121163090.8U CN202121163090U CN215109769U CN 215109769 U CN215109769 U CN 215109769U CN 202121163090 U CN202121163090 U CN 202121163090U CN 215109769 U CN215109769 U CN 215109769U
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Abstract
The utility model provides a take-off pressure detection device of relief valve, include: the system comprises a test loop, a pressure gauge, a main exhaust needle valve and a pressure transmitter; the test loop comprises a hydraulic pump, a liquid receiving tank, an overflow valve, a stop valve, a pressure release valve and a safety valve to be tested; the hydraulic pump is connected with the stop valve, and the cut-off valve inserts after being connected with the overflow valve and connects the liquid case, and the stop valve is connected with the inflow mouth of the relief valve that awaits measuring, and the outflow mouth of relief valve inserts and connects the liquid case, inserts after relief valve and the parallel connection of overflow valve and connects the liquid case. And a pressure gauge, a main exhaust needle valve and a pressure transmitter are connected into the test loop. Through the utility model discloses a take-off pressure detection device of relief valve that reveals can avoid the pipeline and the damage of component of equipment that bring when the relief valve take-off pressure of direct test installation on equipment.
Description
Technical Field
The utility model relates to a detection device field, more specifically relates to a take-off pressure detection device of relief valve.
Background
The safety valve is a vital safety element in the hydraulic system and is used for ensuring that the pressure in the hydraulic system does not exceed a specified value, so that the personal safety of operators and the safe operation of equipment are protected. Since the equipment also needs to test the performance of the safety valve during the test run, the direct jump pressure test of the safety valve in the equipment can cause damage to other pipeline elements in the equipment.
In view of the above, there is a need for an improved detection device in the prior art to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a take-off pressure measurement of relief valve to solve and directly carry out the problem that take-off pressure test can cause the damage to other pipeline components in the equipment to the relief valve in equipment.
In order to achieve the above object, the utility model provides a take-off pressure detection device of relief valve, a serial communication port, include: the system comprises a test loop, a pressure gauge, a main exhaust needle valve and a pressure transmitter;
the test loop comprises a hydraulic pump, a liquid receiving tank, an overflow valve, a stop valve, a pressure release valve and a safety valve to be tested;
wherein the hydraulic pump is connected with the stop valve, the stop valve is connected with an overflow valve and then is connected with the liquid receiving tank, meanwhile, the stop valve is connected with an inflow port of the safety valve to be tested, an outflow port of the safety valve is connected with the liquid receiving tank, the pressure release valve is connected with the overflow valve in parallel and then is connected with the liquid receiving tank,
the pressure gauge is connected into the test loop;
the main exhaust needle valve is connected into the test loop;
and the pressure transmitter is connected into the test loop.
The set pressure of the overflow valve is greater than the take-off pressure of the safety valve to be tested.
As a further aspect of the present invention, the stop valve is connected to the inflow port of the safety valve to be tested through a first multi-selection adjusting hose.
As a further development of the invention, the outflow opening of the safety valve to be tested is connected to the liquid receiving tank via a second multi-selection adjusting hose.
As a further development, the access is used for with in the test circuit the comparison manometer of manometer contrast.
As a further development, the comparison pressure gauge is connected to the test circuit through a first needle valve.
As a further development, the manometer is inserted through the second needle valve in the test circuit.
As a further development of the present invention, the pressure transmitter is connected to the test circuit through a third needle valve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an adopt by hydraulic pump, stop valve, overflow valve, relief valve and connect the test circuit that the liquid case constitutes to carry out solitary test to the relief valve that awaits measuring. The device is simple in structure, safe and reliable, and can avoid damage to pipelines and elements of the device caused by directly testing the jump pressure of a safety valve installed on the device.
Drawings
Fig. 1 is a schematic structural diagram of a take-off pressure detection device of a safety valve disclosed in the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Fig. 1 shows a jump pressure detecting device of a safety valve according to an embodiment of the present invention.
The present embodiment discloses a take-off pressure detection device for a safety valve, which includes: the system comprises a test loop 1, a pressure gauge 2, a comparison pressure gauge 3, a total exhaust needle valve 6 and a pressure transmitter 9;
the test loop 1 comprises a hydraulic pump 102, a stop valve 103, an overflow valve 104, a liquid receiving tank 101, a pressure release valve 105 and a safety valve 107 to be tested;
the hydraulic pump 102 is connected to an inlet of a shutoff valve 103, an outlet of the shutoff valve 103 is connected to a relief valve 104 and then connected to the liquid tank 101, an outlet of the shutoff valve 103 is connected to an inlet of a safety valve 107 to be tested, and an outlet of the safety valve 107 to be tested is connected to the liquid tank 101. The relief valve 105 is connected in parallel with the relief valve 104 and then connected to the liquid tank 101.
As shown in fig. 1, the outlet of the shut-off valve 103 is connected to the inlet of the safety valve 107 to be tested via a first multi-selection adjustment hose 106, and the outlet of the safety valve 107 to be tested is connected to the liquid tank 101 via a second multi-selection adjustment hose 108. The safety valves 107 to be tested with different interfaces are adapted by selecting the multi-selection adjusting hoses with different models, so that the adaptability of the test loop 1 to the safety valves 107 to be tested with different models is improved.
A pressure transmitter 9 for recording and transmitting the pressure value in the test loop 1 is connected into the test loop 1, and meanwhile, a pressure gauge 2 for measuring the pressure value and a main exhaust needle valve 6 for exhausting gas in a pipeline are connected into the test loop 1.
Referring to fig. 1, in this embodiment, the test circuit 1 is connected to a comparison pressure gauge 3 for comparing pressure values, and the accuracy and reliability of the pressure values in the test circuit 1 are ensured by comparing the ratio of the pressure gauge 2 to the comparison pressure gauge 3. Pressure gauge 2, contrast pressure gauge 3 and total exhaust needle valve 6 insert the test circuit through welding line 7 in, welding line 7 forms three branch road pipelines, and pressure gauge 2, contrast pressure gauge 3 and total exhaust needle valve 6 are connected with three branch road pipelines in proper order.
The comparison pressure gauge 3 is connected into the test loop 1 through the first needle valve 5, the pressure gauge 2 is connected into the test loop 1 through the second needle valve 4, and the pressure transmitter 9 is connected into the test loop 1 through the third needle valve 8, so that gas in the detection device is thoroughly discharged, and the detection reliability of the detection device is improved.
In practical application, after the testing device is assembled, the overflow valve 104 is adjusted to a safety pressure, it should be noted that the safety pressure value of the overflow valve 104 needs to be greater than the jump-up pressure value of the safety valve 107 to be tested, the hydraulic pump 102 and the main exhaust needle valve 6 are opened, the first needle valve 5, the second needle valve 4 and the third needle valve 8 are opened at the same time, gas is discharged from all the needle valves, the main exhaust needle valve 6, the first needle valve 5, the second needle valve 4, the third needle valve 8 and the stop valve 103 are closed, the opening of the stop valve 103 is adjusted while the pressure is slowly charged, the pressure is slowly increased until the safety valve 107 to be tested jumps up, and the whole process data is recorded and filed by the pressure transmitter 9. After the detection is finished, the pressure release rear part can be detached by slowly opening the pressure release valve 105. It should be noted that if the pressure reaches the set pressure of the safety valve 107 to be tested and does not jump during the test, the test is interrupted.
The utility model discloses an adopt by hydraulic pump 102, stop valve 103, overflow valve 104, relief valve 105 and connect the test circuit 1 that liquid case 101 constitutes to carry out solitary test to the relief valve 107 that awaits measuring. The device is simple in structure, safe and reliable, and can avoid damage to pipelines and elements of the device caused by directly testing the jump pressure of a safety valve installed on the device.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A take-off pressure detecting apparatus for a safety valve, comprising: the system comprises a test loop, a pressure gauge, a main exhaust needle valve and a pressure transmitter;
the test loop comprises a hydraulic pump, a liquid receiving tank, an overflow valve, a stop valve, a pressure release valve and a safety valve to be tested;
wherein the hydraulic pump is connected with the stop valve, the stop valve is connected with an overflow valve and then is connected with the liquid receiving tank, meanwhile, the stop valve is connected with an inflow port of the safety valve to be tested, an outflow port of the safety valve is connected with the liquid receiving tank, the pressure release valve is connected with the overflow valve in parallel and then is connected with the liquid receiving tank,
the pressure gauge is connected into the test loop;
the main exhaust needle valve is connected into the test loop;
and the pressure transmitter is connected into the test loop.
2. The trip pressure detecting device of a safety valve according to claim 1, characterized in that the set pressure of the relief valve is larger than the trip pressure of the safety valve under test.
3. The trip pressure detecting device of a safety valve according to claim 1, wherein the shutoff valve is connected to the inflow port of the safety valve to be tested through a first multiple choice regulating hose.
4. The apparatus for detecting a trip pressure of a safety valve according to claim 3, wherein the outlet of the safety valve to be tested is connected to the liquid tank through a second multi-choice regulation hose.
5. The trip pressure detecting device of a safety valve according to claim 1, wherein a control pressure gauge for comparison with the pressure gauge is connected to the test circuit.
6. The trip pressure detecting device of a safety valve according to claim 5, wherein the control pressure gauge is connected to the test circuit through a first needle valve.
7. The trip pressure detecting device of a safety valve according to claim 1, wherein the pressure gauge is connected to the test circuit through a second needle valve.
8. The trip pressure detection device of a safety valve according to claim 3, wherein the pressure transmitter is connected to the test circuit through a third needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121163090.8U CN215109769U (en) | 2021-05-27 | 2021-05-27 | Take-off pressure detection device of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121163090.8U CN215109769U (en) | 2021-05-27 | 2021-05-27 | Take-off pressure detection device of safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215109769U true CN215109769U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121163090.8U Active CN215109769U (en) | 2021-05-27 | 2021-05-27 | Take-off pressure detection device of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215109769U (en) |
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2021
- 2021-05-27 CN CN202121163090.8U patent/CN215109769U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A device for detecting takeoff pressure of safety valve Effective date of registration: 20230106 Granted publication date: 20211210 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Huishan branch Pledgor: WUXI BOIT TECHNOLOGY Co.,Ltd. Registration number: Y2023980030573 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |