CN219388277U - Hydraulic system for detecting sealing performance of exhaust valve actuator and fuel booster - Google Patents
Hydraulic system for detecting sealing performance of exhaust valve actuator and fuel booster Download PDFInfo
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- CN219388277U CN219388277U CN202220292584.4U CN202220292584U CN219388277U CN 219388277 U CN219388277 U CN 219388277U CN 202220292584 U CN202220292584 U CN 202220292584U CN 219388277 U CN219388277 U CN 219388277U
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Abstract
The utility model provides a hydraulic system for detecting the sealing performance of an exhaust valve actuator and a fuel booster, which ensures the sealing performance and reliability of a test system, and realizes automation and subsequent data logic analysis. The device comprises a one-way valve, an unloading overflow valve, a first pilot electromagnetic valve, a second pilot electromagnetic valve, a first two-way cartridge valve and a second two-way cartridge valve; the input of check valve passes through the pipeline and connects the pressure oil, the output of check valve connects first two-way cartridge valve, second two-way cartridge valve, the entry of first guide solenoid valve the second entry of second guide solenoid valve respectively, the export of first guide solenoid valve is connected to the first entry of second guide solenoid valve, the first export of second guide solenoid valve is connected to the drive end of first two-way cartridge valve, the second export of second guide solenoid valve is connected to the drive end of second two-way cartridge valve.
Description
Technical Field
The utility model relates to the technical field of tightness detection, in particular to a hydraulic system for detecting tightness of an exhaust valve actuator and a fuel booster.
Background
The exhaust valve actuator and the fuel booster are two important actuator elements in a HCU device which is a key component of the marine diesel engine, the sealing performance of the two important actuator elements is critical, the two elements are respectively and independently tested by the existing test system, and two groups of power sources are required to be arranged, so that the test cost is high, the test is required to be adjusted to be one power source for reducing the cost, but the leakage is caused when the power sources are switched in the prior art, so that the sealing performance test cannot be finished; for this reason, it is highly desirable to find a hydraulic system that is capable of performing a leak tightness test with a single power source.
Disclosure of Invention
Aiming at the problems, the utility model provides a hydraulic system for detecting the sealing performance of an exhaust valve actuator and a fuel booster, which ensures the sealing performance and reliability of a test system, and realizes automation and subsequent data logic analysis.
A hydraulic system for detecting the sealing performance of an exhaust valve actuator and a fuel booster, comprising:
a one-way valve;
an unloading overflow valve;
a first pilot solenoid valve;
a second pilot electromagnetic valve;
a first two-way cartridge valve;
the second two-way cartridge valve;
the input end of the one-way valve is connected with pressure oil through a pipeline, the output end of the one-way valve is respectively connected with a first two-way cartridge valve, a second two-way cartridge valve, an inlet of a first pilot electromagnetic valve and a second inlet of the second pilot electromagnetic valve, an outlet of the first pilot electromagnetic valve is connected to the first inlet of the second pilot electromagnetic valve, a first outlet of the second pilot electromagnetic valve is connected to the driving end of the first two-way cartridge valve, and a second outlet of the second pilot electromagnetic valve is connected to the driving end of the second two-way cartridge valve;
the outlet end of the first two-way cartridge valve is communicated with the oil inlet distribution block of the fuel booster through a first oil supply pipeline, the first oil supply pipeline is connected with a bypass first energy storage pipeline and a first safety valve pipeline, a first energy accumulator is arranged on the first energy storage pipeline, a first safety valve is arranged on the first safety valve pipeline, one path of the tail end of the first safety valve pipeline is connected to the tail end of the first energy storage pipeline through a first hydraulic control one-way valve, and the other path of the tail end of the first safety valve pipeline is communicated with a first return pipeline;
the first oil supply pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, the first safety valve pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, and the first energy storage pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve;
the outlet end of the second two-way cartridge valve is communicated with the oil inlet distribution block of the exhaust valve actuator through a second oil supply pipeline, the second oil supply pipeline is connected with a bypass second energy storage pipeline and a second safety valve pipeline, a second energy accumulator is arranged on the second energy storage pipeline, a second safety valve is arranged on the second safety valve pipeline, one path of the tail end of the second safety valve pipeline is connected to the tail end of the second energy storage pipeline through a second hydraulic control one-way valve, and the other path of the tail end of the second safety valve pipeline is communicated with a second return pipeline;
the second oil supply pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, the second safety valve pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, and the second energy storage pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve.
It is further characterized by:
the unloading overflow valve automatically unloading the oil inlet pressure of the system;
the energy accumulator can be automatically unloaded by providing one path of control oil under the action of the first hydraulic control one-way valve and the second hydraulic control one-way valve;
the starting end of the first oil supply pipeline is sequentially provided with a first pressure sensor A and a first threaded plug-in throttle valve A, a pipeline of the first safety valve pipeline, which is positioned in front of the first safety valve, is sequentially provided with a first threaded plug-in throttle valve B and a first pressure sensor B, a pipeline of the first hydraulic control one-way valve, which is communicated to the first energy accumulator, is sequentially provided with a first pressure sensor C, a first threaded plug-in throttle valve C and a first pressure sensor D, the starting end of the first energy storage pipeline is provided with a first threaded plug-in throttle valve D, and a rear pipeline of a bypass section of the first oil supply pipeline is sequentially provided with a first pressure sensor E, a first threaded plug-in throttle valve E and a first pressure sensor F;
the starting end of the second oil supply pipeline is sequentially provided with a second pressure sensor A and a second threaded plug-in throttle valve A, a pipeline of the second safety valve pipeline, which is positioned in front of the second safety valve, is sequentially provided with a second threaded plug-in throttle valve B and a second pressure sensor B, the second hydraulic control one-way valve is communicated with a pipeline of the second energy accumulator, the pipeline of the second energy accumulator is sequentially provided with a second pressure sensor C, a second threaded plug-in throttle valve C and a second pressure sensor D, the starting end of the second energy storage pipeline is provided with a second threaded plug-in throttle valve D, and a rear pipeline of a bypass section of the second oil supply pipeline is sequentially provided with a second pressure sensor E, a second threaded plug-in throttle valve E and a second pressure sensor F.
After the structure of the utility model is adopted, the first pilot electromagnetic valve is electrified and opened, the second pilot electromagnetic valve is electrified and the first inlet is communicated with the first outlet, the first two-way cartridge valve is opened, the second two-way cartridge valve is closed, the sealing performance test can be carried out on the fuel booster, the threaded cartridge throttle valve is fully opened under normal conditions, whether the throttle valve is opened or not is automatically judged through a data electric control system of a corresponding pressure sensor, a pressure oil source charges oil to an energy accumulator through the first two-way cartridge valve, after the pressure reaches an unloading overflow valve set value, the P port is unloaded, in order to prevent the leakage of the first safety valve, the threaded cartridge throttle valve at a corresponding position is closed, the first pilot electromagnetic valve and the second pilot electromagnetic valve are simultaneously powered off, the first two-way cartridge valve and the second two-way cartridge valve are both closed, the test system has very good sealing performance, the sealing performance of the fuel booster is judged through the data of the pressure sensor which is closest to an oil inlet distribution block of the first oil supply pipeline along with time, if the sealing performance of the fuel booster is tested, the fuel booster is not better than the sealing performance of the fuel booster is judged through the data of the pressure sensor which is changed along with time, and the test of the fuel booster is still tested under the test, if the sealing performance of the fuel booster is not tested to be better than the fuel booster is tested, the sealing performance of the fuel booster is judged if the fuel booster is still tested by the fuel booster is better than the fuel booster with the fuel booster; when the first pilot electromagnetic valve is powered off, the second pilot electromagnetic valve is powered on, and the second inlet is communicated with the second outlet, the first two-way cartridge valve is closed, and the second two-way cartridge valve is opened, so that the sealing performance of the exhaust valve actuator can be measured by the same method; the sealing performance and the reliability of the test system are guaranteed, and automation and subsequent data logic analysis are realized.
Drawings
FIG. 1 is a schematic block diagram of a front view structure of the present utility model;
the names corresponding to the serial numbers in the figures are as follows:
the system comprises a check valve 10, an unloading relief valve 20, a first pilot electromagnetic valve 30, a second pilot electromagnetic valve 40, a first two-way cartridge valve 50, a second two-way cartridge valve 60, a first oil supply pipeline 70, a fuel booster oil inlet distribution block 80, a first energy storage pipeline 90, a first safety valve pipeline 100, a first energy storage 110, a first safety valve 120, a second oil supply pipeline 130, an exhaust valve actuator oil inlet distribution block 140, a second energy storage pipeline 150, a second safety valve pipeline 160, a second energy storage 170, a second safety valve 180, a second hydraulic control check valve 190, a first return pipeline 200 and a second return pipeline 210;
the pressure sensor comprises a first pressure sensor A1-1, a first pressure sensor B1-2, a first pressure sensor C1-3, a first pressure sensor D1-4, a first pressure sensor E1-5, a first pressure sensor F1-6, a first threaded plug-in throttle valve A2-1, a first threaded plug-in throttle valve B2-2, a first threaded plug-in throttle valve C2-3, a first threaded plug-in throttle valve D2-4, a first threaded plug-in throttle valve E2-5, a second pressure sensor A3-1, a second pressure sensor B3-2, a second pressure sensor C3-3, a second pressure sensor D3-4, a second pressure sensor E3-5, a second pressure sensor F3-6, a second threaded plug-in throttle valve A4-1, a second threaded plug-in throttle valve B4-2, a second threaded plug-in throttle valve C4-3, a second threaded plug-in throttle valve D4-4, a second threaded plug-in throttle valve E4-5, and a fourth pressure sensor C3-5.
Detailed Description
The hydraulic system for detecting the sealing performance of an exhaust valve actuator and a fuel booster comprises a one-way valve 10, an unloading overflow valve 20, a first pilot electromagnetic valve 30, a second pilot electromagnetic valve 40, a first two-way cartridge valve 50 and a second two-way cartridge valve 60, as shown in fig. 1;
the input end of the one-way valve 10 is connected with pressure oil through a pipeline, the output end of the one-way valve 10 is respectively connected with the first two-way cartridge valve 50, the second two-way cartridge valve 60, the inlet of the first pilot electromagnetic valve 30 and the second inlet of the second pilot electromagnetic valve 40, the outlet of the first pilot electromagnetic valve 30 is connected to the first inlet of the second pilot electromagnetic valve 40, the first outlet of the second pilot electromagnetic valve 40 is connected to the driving end of the first two-way cartridge valve 50, and the second outlet of the second pilot electromagnetic valve 40 is connected to the driving end of the second two-way cartridge valve 60;
the outlet end of the first two-way cartridge valve 50 is communicated to the fuel booster fuel inlet distribution block 80 through a first fuel supply pipeline 70, the first fuel supply pipeline 70 is connected with a bypass first energy storage pipeline 90 and a first safety valve pipeline 100, a first energy storage 110 is arranged on the first energy storage pipeline 90, a first safety valve 120 is arranged on the first safety valve pipeline 100, one path of the tail end of the first safety valve pipeline 100 is connected to the tail end of the first energy storage pipeline 90 through a first hydraulic control one-way valve 220, and the other path of the tail end of the first safety valve pipeline 100 is communicated with a first return pipeline 200;
the first oil supply pipeline 70 is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, the first safety valve pipeline 100 is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, and the first energy storage pipeline 90 is provided with a corresponding pressure sensor and a threaded plug-in throttle valve;
the outlet end of the second two-way cartridge valve 60 is communicated to the exhaust valve actuator oil inlet distribution block 140 through a second oil supply pipeline 130, the second oil supply pipeline 130 is connected with a bypass second energy storage pipeline 150 and a second safety valve pipeline 160, a second energy storage device 170 is arranged on the second energy storage pipeline 150, a second safety valve 180 is arranged on the second safety valve pipeline 160, one path of the tail end of the second safety valve pipeline 160 is connected to the tail end of the second energy storage pipeline 150 through a second hydraulic control one-way valve 190, and the other path of the tail end of the second safety valve pipeline 160 is communicated with a second return pipeline 210;
the second oil supply pipeline 130 is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, the second safety valve pipeline 160 is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, and the second energy storage pipeline 150 is provided with a corresponding pressure sensor and a threaded plug-in throttle valve.
The unloading overflow valve 20 automatically unloading the system oil inlet pressure; in specific implementation, the unloading overflow valve 20 has the function of automatically unloading a system pressure oil port when the pressure behind the one-way valve 10 reaches 20mpa, for example, when the pressure behind the one-way valve 10 is reduced to 18mpa, reloading can be performed when the pressure behind the one-way valve 10 is reduced to 18mpa, and due to the existence of 2mpa pressure difference, the energy is saved through the unloading overflow valve 20 and the frequent pressurization of a system can be avoided;
the first hydraulic control one-way valve 220 and the second hydraulic control one-way valve 190 provide one-way control oil, so that the corresponding energy accumulator has automatic unloading;
the starting end of the first oil supply pipeline 70 is sequentially provided with a first pressure sensor A1-1 and a first thread plug-in throttle valve A2-1, a pipeline of the first safety valve pipeline 100, which is positioned in front of the first safety valve 120, is sequentially provided with a first thread plug-in throttle valve B2-2 and a first pressure sensor B1-2, a pipeline of the first hydraulic control one-way valve 220, which is communicated with the first energy accumulator 110, is sequentially provided with a first pressure sensor C1-3, a first thread plug-in throttle valve C2-3 and a first pressure sensor D1-4, the starting end of the first energy storage pipeline 90 is provided with a first thread plug-in throttle valve D2-4, and a rear pipeline of a bypass section of the first oil supply pipeline 70 is sequentially provided with a first pressure sensor E1-5, a first thread plug-in throttle valve E2-5 and a first pressure sensor F1-6;
the starting end of the second oil supply pipeline 130 is sequentially provided with a second pressure sensor A3-1 and a second threaded plug-in throttle valve A4-1, a pipeline of the second safety valve pipeline 160, which is positioned in front of the second safety valve 180, is sequentially provided with a second threaded plug-in throttle valve B4-2 and a second pressure sensor B3-2, a pipeline of the second hydraulic control one-way valve 190, which is communicated with the second accumulator 170, is sequentially provided with a second pressure sensor C3-3, a second threaded plug-in throttle valve C4-3 and a second pressure sensor D3-4, the starting end of the second energy storage pipeline 150 is provided with a second threaded plug-in throttle valve D4-4, and a rear pipeline of a bypass section of the second oil supply pipeline 130 is sequentially provided with a second pressure sensor E3-5, a second threaded plug-in throttle valve E4-5 and a second pressure sensor F3-6.
In specific implementation, the first outlet of the second pilot electromagnetic valve 40 is provided with the third pressure sensor 5, and the second outlet of the second pilot electromagnetic valve 40 is provided with the fourth pressure sensor 6, so that the data is complete and reliable in detection.
The working principle is that a first pilot electromagnetic valve is electrified and opened, a second pilot electromagnetic valve is electrified and a first inlet is communicated with a first outlet, the first two-way cartridge valve is opened, the second two-way cartridge valve is closed, at the moment, the sealing performance test can be carried out on the fuel booster, the threaded cartridge throttle valve is fully opened under normal conditions, whether the throttle valve is opened or not is automatically judged through a data electric control system of a corresponding pressure sensor, at the moment, a pressure oil source charges oil to an energy accumulator through the first two-way cartridge valve, after the pressure reaches an unloading overflow valve set value, a P port is unloaded, the threaded cartridge throttle valve at a corresponding position is closed for preventing leakage of the first safety valve, the first pilot electromagnetic valve and the second pilot electromagnetic valve are simultaneously powered off, the first two-way cartridge valve and the second two-way cartridge valve are both closed, and the first two-way cartridge valve and the first hydraulic control one-way valve are all seat valves, so that the test system has very good sealing performance; when the first pilot electromagnetic valve is powered off, the second pilot electromagnetic valve is powered on, and the second inlet is communicated with the second outlet, the first two-way cartridge valve is closed, and the second two-way cartridge valve is opened, so that the sealing performance of the exhaust valve actuator can be measured by the same method; the sealing performance and the reliability of the test system are guaranteed, and automation and subsequent data logic analysis are realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. A hydraulic system for detecting the sealing performance of an exhaust valve actuator and a fuel booster, comprising:
a one-way valve;
an unloading overflow valve;
a first pilot solenoid valve;
a second pilot electromagnetic valve;
a first two-way cartridge valve;
the second two-way cartridge valve;
the input end of the one-way valve is connected with pressure oil through a pipeline, the output end of the one-way valve is respectively connected with a first two-way cartridge valve, a second two-way cartridge valve, an inlet of a first pilot electromagnetic valve and a second inlet of the second pilot electromagnetic valve, an outlet of the first pilot electromagnetic valve is connected to the first inlet of the second pilot electromagnetic valve, a first outlet of the second pilot electromagnetic valve is connected to the driving end of the first two-way cartridge valve, and a second outlet of the second pilot electromagnetic valve is connected to the driving end of the second two-way cartridge valve;
the outlet end of the first two-way cartridge valve is communicated with the oil inlet distribution block of the fuel booster through a first oil supply pipeline, the first oil supply pipeline is connected with a bypass first energy storage pipeline and a first safety valve pipeline, a first energy accumulator is arranged on the first energy storage pipeline, a first safety valve is arranged on the first safety valve pipeline, one path of the tail end of the first safety valve pipeline is connected to the tail end of the first energy storage pipeline through a first hydraulic control one-way valve, and the other path of the tail end of the first safety valve pipeline is communicated with a first return pipeline;
the first oil supply pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, the first safety valve pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, and the first energy storage pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve;
the outlet end of the second two-way cartridge valve is communicated with the oil inlet distribution block of the exhaust valve actuator through a second oil supply pipeline, the second oil supply pipeline is connected with a bypass second energy storage pipeline and a second safety valve pipeline, a second energy accumulator is arranged on the second energy storage pipeline, a second safety valve is arranged on the second safety valve pipeline, one path of the tail end of the second safety valve pipeline is connected to the tail end of the second energy storage pipeline through a second hydraulic control one-way valve, and the other path of the tail end of the second safety valve pipeline is communicated with a second return pipeline;
the second oil supply pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, the second safety valve pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve, and the second energy storage pipeline is provided with a corresponding pressure sensor and a threaded plug-in throttle valve.
2. A hydraulic system for detecting sealing performance of an exhaust valve actuator and a fuel booster as defined in claim 1, wherein: the starting end of the first oil supply pipeline is sequentially provided with a first pressure sensor A and a first threaded plug-in throttle valve A, a pipeline of the first safety valve pipeline, which is positioned in front of the first safety valve, is sequentially provided with a first threaded plug-in throttle valve B and a first pressure sensor B, the first hydraulic control one-way valve is communicated with a pipeline of the first energy accumulator, the pipeline of the first energy accumulator is sequentially provided with a first pressure sensor C, a first threaded plug-in throttle valve C and a first pressure sensor D, the starting end of the first energy storage pipeline is provided with a first threaded plug-in throttle valve D, and a rear pipeline of a bypass section of the first oil supply pipeline is sequentially provided with a first pressure sensor E, a first threaded plug-in throttle valve E and a first pressure sensor F.
3. A hydraulic system for detecting sealing performance of an exhaust valve actuator and a fuel booster as defined in claim 1, wherein: the starting end of the second oil supply pipeline is sequentially provided with a second pressure sensor A and a second threaded plug-in throttle valve A, a pipeline of the second safety valve pipeline, which is positioned in front of the second safety valve, is sequentially provided with a second threaded plug-in throttle valve B and a second pressure sensor B, the second hydraulic control one-way valve is communicated with a pipeline of the second energy accumulator, the pipeline of the second energy accumulator is sequentially provided with a second pressure sensor C, a second threaded plug-in throttle valve C and a second pressure sensor D, the starting end of the second energy storage pipeline is provided with a second threaded plug-in throttle valve D, and a rear pipeline of a bypass section of the second oil supply pipeline is sequentially provided with a second pressure sensor E, a second threaded plug-in throttle valve E and a second pressure sensor F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220292584.4U CN219388277U (en) | 2022-02-14 | 2022-02-14 | Hydraulic system for detecting sealing performance of exhaust valve actuator and fuel booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220292584.4U CN219388277U (en) | 2022-02-14 | 2022-02-14 | Hydraulic system for detecting sealing performance of exhaust valve actuator and fuel booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388277U true CN219388277U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220292584.4U Active CN219388277U (en) | 2022-02-14 | 2022-02-14 | Hydraulic system for detecting sealing performance of exhaust valve actuator and fuel booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388277U (en) |
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2022
- 2022-02-14 CN CN202220292584.4U patent/CN219388277U/en active Active
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