CN114526177A - Testing device for gas valve of marine LGIP dual-fuel diesel engine - Google Patents
Testing device for gas valve of marine LGIP dual-fuel diesel engine Download PDFInfo
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- CN114526177A CN114526177A CN202011319483.3A CN202011319483A CN114526177A CN 114526177 A CN114526177 A CN 114526177A CN 202011319483 A CN202011319483 A CN 202011319483A CN 114526177 A CN114526177 A CN 114526177A
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- 239000000446 fuel Substances 0.000 title claims abstract description 58
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000007789 gas Substances 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000009471 action Effects 0.000 claims abstract description 17
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 17
- 230000009977 dual effect Effects 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 124
- 229910052757 nitrogen Inorganic materials 0.000 claims description 53
- 239000000295 fuel oil Substances 0.000 claims description 27
- 230000003584 silencer Effects 0.000 claims description 2
- 238000010926 purge Methods 0.000 abstract description 22
- 239000007788 liquid Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/005—Measuring or detecting injection-valve lift, e.g. to determine injection timing
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the technical field of marine LGIP dual-fuel diesel engines, and discloses a marine LGIP dual-fuel diesel engine gas valve testing device which comprises a box body, a hose and a supporting frame, wherein a supporting plate is fixedly installed on the left side surface of the box body, fixed blocks are fixedly installed on the top portions of the supporting plate and the supporting frame, the top portions of the two fixed blocks are fixedly connected with a transverse plate, and a gas valve fixing device and a purging valve fixing device are fixedly installed on the transverse plate. This marine LGIP dual fuel diesel engine gas valve testing arrangement, through the pneumatics of design, hydraulic pressure combination control to and release valve, control valve and each oil circuit pressure can realize the accurate control of pressure, through the fuel of design, control oil, sealing oil, nitrogen gas pipeline, can realize that the gas valve is sealed, atomize, leak, multiple function tests such as action, testing arrangement is equipped with multiple gas valve fixing device simultaneously, can realize the test of different models, different model gas valves, has fine commonality.
Description
Technical Field
The invention relates to the technical field of marine LGIP dual-fuel diesel engines, in particular to a testing device for a gas valve of a marine LGIP dual-fuel diesel engine.
Background
With the popularization of dual fuels in the field of marine diesel engines, whether a gas valve can work normally is important for the normal operation of the diesel engine and the safety of ships. During normal operation of the diesel engine, fuel gas is pressurized to 300bar by the high-pressure pump and is conveyed to the fuel gas valves of the cylinders, and the diesel engine control system controls the fuel gas valves to be opened and closed instantaneously to enable the fuel gas to be injected into the combustion chambers of the cylinders, so that the fuel gas valves bear pulse pressure of up to 300bar, and the working conditions are severe. And leakage of gaseous fuel is more difficult to monitor than conventional liquid fuel, and once leakage occurs, a cabin fire may be triggered, which has extremely serious consequences on the personal safety of the ship and crew. Therefore, the safety and the reliability of the operation of the gas valve are ensured by periodically testing various functional states of the gas valve.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the testing device for the gas valve of the marine LGIP dual-fuel diesel engine, which has the advantages of testing various functions of the gas valve regularly, determining the working state of the gas valve, reducing the occurrence of faults of the gas valve and ensuring the safe operation of a ship, and solves the problem that once gas fuel is leaked, a cabin fire disaster is possibly caused, and extremely serious consequences are generated on the personal safety of the ship and crews.
The invention provides the following technical scheme: the utility model provides a marine LGIP dual-fuel diesel engine gas valve testing arrangement, includes box, hose and support frame, the left surface fixed mounting of box has the backup pad, the equal fixed mounting in top of backup pad and support frame has the fixed block, two the top fixedly connected with diaphragm of fixed block, fixed mounting has gas valve fixing device and purge valve fixing device on the diaphragm, purge valve fixing device is located the top of diaphragm, gas valve fixing device is located one side of purge valve fixing device, the back of purge valve fixing device is equipped with control oil circuit interface and nitrogen gas interface, the bottom fixed mounting of diaphragm has the muffler, the left surface of box is equipped with control oil export, sealed oil export, fuel export, nitrogen gas export and cable interface, sealed oil export is located control oil export right side, the fuel export is located sealed oil export right side, the nitrogen outlet is located on the right side of the fuel outlet, the cable interface is located on the right side of the nitrogen outlet, the upper left side of the left side surface of the box body is fixedly provided with a vertical rod, the top of the vertical rod is fixedly provided with a leakage indicator, the front of the box body is respectively provided with a nitrogen pressure regulating valve, a nitrogen gas interception valve, a fuel tank port and a liquid level indicator, the fuel tank port is located above the liquid level indicator, the fuel tank port and the liquid level indicator are both located on the right side of the nitrogen pressure regulating valve and the nitrogen gas interception valve, the top of the box body is respectively provided with a control oil pressure gauge, a sealing oil pressure gauge, a fuel pressure gauge, a nitrogen pressure relief valve, an action switch, a stop valve, a control oil pressure relief valve, a sealing oil pressure relief valve, a fuel oil pressure relief valve, a nitrogen pressure relief valve, a direction switch, a control oil pressure control valve, a sealing oil pressure control valve and a fuel pressure control valve, the control oil pressure gauge, the sealing oil pressure gauge, the fuel oil pressure gauge, the nitrogen pressure gauge and the action switch are located in the same row, the stop valve, the control oil pressure release valve, the sealing oil pressure release valve, the fuel oil pressure release valve and the nitrogen pressure release valve are located in the same row, and the direction switch, the control oil pressure control valve, the sealing oil pressure control valve and the fuel oil pressure control valve are located in the same row.
Preferably, the transverse plate and the two fixing blocks are correspondingly provided with three through holes, threads are arranged inside the through holes in the fixing blocks, and the transverse plate and the two fixing blocks are connected through the through holes through bolts.
Preferably, the heights of the tops of the two fixed blocks are the same.
Preferably, the control oil outlet, the sealing oil outlet, the fuel oil outlet, the nitrogen outlet and the cable interface are positioned above the supporting plate and on the left side of the fixing block.
Preferably, the top surface of the box body is inclined up and down.
Preferably, the control oil pressure gauge, the sealing oil pressure gauge, the fuel oil pressure gauge, the nitrogen gas pressure gauge and the action switch are positioned above the stop valve, the control oil pressure release valve, the sealing oil pressure release valve, the fuel oil pressure release valve and the nitrogen gas pressure release valve, and the stop valve, the control oil pressure release valve, the sealing oil pressure release valve, the fuel oil pressure release valve and the nitrogen gas pressure release valve are positioned above the direction switch, the control oil pressure control valve, the sealing oil pressure control valve and the fuel oil pressure control valve.
Preferably, the four corners of the bottom of the box body are fixedly provided with supporting legs, the bottom of each supporting leg is fixedly provided with a rectangular pad, and the length of each rectangular pad is greater than that of the bottom surface of each supporting leg.
Compared with the prior art, the invention has the following beneficial effects:
1. the testing device for the gas valve of the marine LGIP dual-fuel diesel engine can realize accurate control of pressure through designed pneumatic and hydraulic combined control and control of an oil pressure release valve, a sealing oil pressure release valve, a fuel oil pressure release valve, a nitrogen gas pressure release valve, a control oil pressure control valve, a sealing oil pressure control valve, a fuel oil pressure control valve, a nitrogen gas pressure regulating valve and the pressure of each oil way.
2. This marine LGIP dual fuel diesel engine gas valve testing arrangement, through the fuel of design, control oil, sealed oil, nitrogen gas pipeline, can realize that the gas valve seals, atomizes, leaks multiple functional test such as action, and simultaneously, testing arrangement is equipped with multiple gas valve fixing device, can realize the test of different models, different model gas valves, has fine commonality.
3. The testing device for the gas valve of the marine LGIP dual-fuel diesel engine has the advantages of high integration level, compact structure, small volume, less installation space requirement, quick connectors designed on all interfaces, convenience in connection, and simplicity, clearness and convenience in operation due to the fact that each pressure gauge, each control valve and the like are provided with the indicating marks.
4. The testing device for the gas valve of the LGIP dual-fuel diesel engine for the ship mainly adopts a pneumatic device and a hydraulic device, does not have mechanical rotation, abrasion and other parts, and is high in reliability and durable.
5. This marine LGIP dual fuel diesel engine gas valve testing arrangement, power adopt compressed air, and the energy consumption is low, and the muffler is installed to compressed air discharge opening, and the noise is low, does not have health hazard to operating personnel, safety ring protects.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a first perspective of the present invention;
fig. 3 is a schematic view of the hose structure of the present invention.
In the figure: 1. controlling an oil pressure gauge; 2. a sealed oil pressure gauge; 3. a fuel pressure gauge; 4. a nitrogen pressure gauge; 5. an action switch; 6. a stop valve; 7. a control oil pressure relief valve; 8. a seal oil pressure relief valve; 9. a fuel pressure relief valve; 10. a nitrogen pressure relief valve; 11. a direction switch; 12. a control oil pressure control valve; 13. a seal oil pressure control valve; 14. controlling the fuel pressure; 15. a nitrogen pressure regulating valve; 16. a nitrogen stop valve; 17. an oil tank port; 18. a liquid level indicator; 19. a box body; 20. a control oil outlet; 21. a sealed oil outlet; 22. a fuel outlet; 23. a nitrogen outlet; 24. a cable interface; 25. a gas valve fixing device; 26. controlling an oil way interface; 27. a nitrogen interface; 28. a muffler; 29. a leak indicator; 30. a purge valve fixing device; 31. a hose.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a testing device for a gas valve of a marine LGIP dual-fuel diesel engine comprises a box 19, a hose 31 and a supporting frame, wherein the hose 31 is a connecting device used for testing, a supporting plate is fixedly installed on the left side surface of the box 19, fixing blocks are fixedly installed on the top of the supporting plate and the top of the supporting frame, the top of the two fixing blocks are same in height, so that the top of the two fixing blocks is in a horizontal plane, a transverse plate is horizontally arranged, so that the testing operation is more convenient, the top of the two fixing blocks is fixedly connected with the transverse plate, the transverse plate and the two fixing blocks are correspondingly provided with three through holes, threads are arranged inside the through holes on the fixing blocks, the transverse plate is connected with the two fixing blocks through bolts of the through holes, a gas valve fixing device 25 and a purging valve fixing device 30 are fixedly installed on the transverse plate, and the purging valve fixing device 30 is located on the top of the transverse plate, the gas valve fixing device 25 is located on one side of the purging valve fixing device 30, a control oil way interface 26 and a nitrogen interface 27 are arranged on the back of the purging valve fixing device 30, a silencer 28 is fixedly mounted at the bottom of the transverse plate, a control oil outlet 20, a sealing oil outlet 21, a fuel outlet 22, a nitrogen outlet 23 and a cable interface 24 are arranged on the left side of the box body 19, the control oil outlet 20, the sealing oil outlet 21, the fuel outlet 22, the nitrogen outlet 23 and the cable interface 24 are located above the supporting plate and on the left side of the fixing block, the control oil outlet 20, the sealing oil outlet 21, the fuel outlet 22, the nitrogen outlet 23 and the cable interface 24 are staggered with the fixing block and located above the supporting plate, so that the control oil outlet is more convenient when being connected with a hose 31, the sealing oil outlet 21 is located on the right side of the control oil outlet 20, the fuel outlet 22 is located on the right side of the sealing oil outlet 21, the nitrogen outlet 23 is located on the right side of the fuel outlet 22, the cable interface 24 is located on the right side of the nitrogen outlet 23, the upper left side fixed mounting of the left surface of the box 19 has a vertical rod, the top fixed mounting of the vertical rod has a leakage indicator 29, the front of the box 19 is respectively provided with a nitrogen pressure regulating valve 15, a nitrogen stop valve 16, an oil tank port 17 and a liquid level indicator 18, the oil tank port 17 is positioned above the liquid level indicator 18, the oil tank port 17 and the liquid level indicator 18 are both positioned on the right side of the nitrogen pressure regulating valve 15 and the nitrogen stop valve 16, through the designed fuel, control oil, sealing oil and nitrogen pipelines, the sealing, atomization, leakage, action and other multiple function tests of the gas valve can be realized, meanwhile, the testing device is provided with multiple gas valve fixing devices, the tests of different types and different models of gas valves can be realized, the testing device has good universality, the top surface of the box 19 is in an up-down inclined shape, and the pressure values of each pressure gauge at the top of the box 19 and each control valve can be conveniently observed by workers, the top of the box body 19 is respectively provided with a control oil pressure gauge 1, a sealing oil pressure gauge 2, a fuel oil pressure gauge 3, a nitrogen pressure gauge 4, an action switch 5, a stop valve 6, a control oil pressure release valve 7, a sealing oil pressure release valve 8, a fuel oil pressure release valve 9, a nitrogen pressure release valve 10, a direction switch 11, a control oil pressure control valve 12, a sealing oil pressure control valve 13 and a fuel oil pressure control valve 14, wherein the control oil pressure gauge 1, the sealing oil pressure gauge 2, the fuel oil pressure gauge 3, the nitrogen pressure gauge 4 and the action switch 5 are positioned in the same row, the stop valve 6, the control oil pressure release valve 7, the sealing oil pressure release valve 8, the fuel oil pressure release valve 9 and the nitrogen pressure release valve 10 are positioned in the same row, the direction switch 11, the control oil pressure control valve 12, the sealing oil pressure control valve 13 and the fuel oil pressure control valve 14 are positioned in the same row, the control oil pressure gauge 1, the sealing oil pressure gauge 2, the fuel oil pressure gauge 3, the nitrogen pressure gauge 4 and the action switch 5 are positioned above the stop valve 6, the control oil pressure release valve 7, the sealing oil pressure release valve 8, the fuel oil pressure release valve 9 and the nitrogen pressure release valve 10, the stop valve 6, the control oil pressure release valve 7, the seal oil pressure release valve 8, the fuel pressure release valve 9, and the nitrogen pressure release valve 10 are located above the directional switch 11, the control oil pressure control valve 12, the seal oil pressure control valve 13, and the fuel pressure control valve 14, the precise control of the pressure can be realized through the designed pneumatic and hydraulic combined control, the control oil pressure release valve 7, the sealing oil pressure release valve 8, the fuel oil pressure release valve 9, the nitrogen gas pressure release valve 10, the control oil pressure control valve 12, the sealing oil pressure control valve 13, the fuel oil pressure control valve 14, the nitrogen gas pressure regulating valve 15 and the pressure of each oil way.
The working principle is as follows: when the gas valve check function test is carried out, the gas valve is installed on the gas valve fixing device 25, two ends of a hose 31 are respectively connected to a gas valve nozzle and a nitrogen connector 27, two ends of the other hose 31 are respectively connected to the top of the gas valve fixing device and a leakage indicator 29, a nitrogen pressure adjusting valve 16 is adjusted, the nitrogen pressure is increased to a designed pressure value, and whether bubbles are emitted from the leakage indicator 29 or not is observed to determine whether the gas valve check function is normal or not;
when the atomization function test of the gas valve is carried out, the gas valve is installed on the gas valve fixing device 25, two ends of the hose 31 are respectively connected to a fuel inlet and a fuel interface 22 at the top of the gas valve, the fuel pressure is adjusted to a designed pressure value through the fuel pressure control valve 14, the direction switch 11 is quickly opened, the actual working state of the gas valve is simulated, and the injection atomization condition of the gas valve is tested;
when a gas valve nozzle sealing function test is carried out, a gas valve is installed on a gas valve fixing device 25, two ends of a hose 31 are respectively connected to a fuel inlet and a sealing oil outlet 21 at the top of the gas valve, two ends of the other hose 31 are respectively connected to a control oil hole and a control oil outlet 20 on the gas valve, the sealing oil pressure is adjusted to a design value through a sealing oil pressure control valve 13, the control oil pressure is adjusted to different design values step by step through a control oil pressure control valve 12, and the simulated gas valve nozzle sealing function is judged by observing whether oil drops leak out or not;
when the function test of the gas purging valve is carried out, the gas purging valve is installed on the purging valve fixing device 30, the cable 24 is connected to the purging valve, two ends of the hose 31 are respectively connected to the nitrogen outlet 23 and the nitrogen interface 27 on the purging valve fixing device interface, two ends of the other hose 31 are respectively connected to the control oil outlet 20 and the control oil way interface 26, and the opening and closing function test of the purging valve is realized by opening and closing the action switch 5; closing the purge valve, adjusting the nitrogen pressure to a designed value, and testing the discharge function of the purge valve; opening the purge valve, adjusting the nitrogen pressure to a designed value, and testing the discharge function of the purge valve; and (4) rapidly opening and closing the purge valve, and judging whether the purge valve acts normally or not through nitrogen release.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a marine LGIP dual fuel diesel engine gas valve testing arrangement, includes box (19), hose (31) and support frame, its characterized in that: the left side face of the box body (19) is fixedly provided with a supporting plate, the top of the supporting plate and the top of the supporting frame are fixedly provided with fixed blocks, the top of each fixed block is fixedly connected with a transverse plate, the transverse plate is fixedly provided with a gas valve fixing device (25) and a blow-down valve fixing device (30), the blow-down valve fixing device (30) is positioned at the top of the transverse plate, the gas valve fixing device (25) is positioned at one side of the blow-down valve fixing device (30), the back face of the blow-down valve fixing device (30) is provided with a control oil way interface (26) and a nitrogen interface (27), the bottom of the transverse plate is fixedly provided with a silencer (28), the left side face of the box body (19) is provided with a control oil outlet (20), a sealing oil outlet (21), a fuel outlet (22), a nitrogen outlet (23) and a cable interface (24), and the sealing oil outlet (21) is positioned on the right side of the control oil outlet (20), fuel outlet (22) are located the positive right side of sealed oil export (21), nitrogen outlet (23) are located the positive right side of fuel outlet (22), cable interface (24) are located the positive right side of nitrogen outlet (23), the upper left side fixed mounting of box (19) left surface has the pole setting, the top fixed mounting of pole setting has leakage indicator (29), the front of box (19) is equipped with nitrogen gas pressure-regulating valve (15) respectively, nitrogen gas cuts to valve (16), tank port (17) and level indicator (18), tank port (17) are located the top of level indicator (18), tank port (17) and level indicator (18) all are located the right side of nitrogen gas pressure-regulating valve (15) and nitrogen gas cut to valve (16), the top of box (19) is equipped with control oil pressure gauge (1), sealed oil pressure gauge (2) respectively, Fuel pressure gauge (3), nitrogen pressure gauge (4), action switch (5), stop valve (6), control oil pressure release valve (7), sealed oil pressure release valve (8), fuel pressure release valve (9), nitrogen pressure release valve (10), direction switch (11), control oil pressure control valve (12), sealed oil pressure control valve (13) and fuel pressure control valve (14), control oil pressure gauge (1), sealed oil pressure gauge (2), fuel pressure gauge (3), nitrogen pressure gauge (4) and action switch (5) are located one row, stop valve (6), control oil pressure release valve (7), sealed oil pressure release valve (8), fuel pressure release valve (9) and nitrogen pressure release valve (10) are located one row, direction switch (11), control oil pressure control valve (12), The seal oil pressure control valve (13) and the fuel oil pressure control valve (14) are located in the same row.
2. The testing device for the gas valve of the marine LGIP dual-fuel diesel engine according to claim 1, is characterized in that: the transverse plate and the two fixing blocks are correspondingly provided with three through holes, threads are arranged inside the through holes in the fixing blocks, and the transverse plate and the two fixing blocks are connected through the through holes through bolts.
3. The testing device for the gas valve of the marine LGIP dual-fuel diesel engine according to claim 1, is characterized in that: the top heights of the two fixed blocks are the same.
4. The testing device for the gas valve of the marine LGIP dual-fuel diesel engine according to claim 1, is characterized in that: the control oil outlet (20), the sealing oil outlet (21), the fuel oil outlet (22), the nitrogen outlet (23) and the cable interface (24) are positioned above the supporting plate and on the left side of the fixing block.
5. The testing device for the gas valve of the marine LGIP dual-fuel diesel engine according to claim 1, is characterized in that: the top surface of the box body (19) is inclined up and down.
6. The testing device for the gas valve of the marine LGIP dual-fuel diesel engine according to claim 1, is characterized in that: the control oil pressure gauge (1), the sealing oil pressure gauge (2), the fuel oil pressure gauge (3), the nitrogen pressure gauge (4) and the action switch (5) are arranged above the stop valve (6), the control oil pressure release valve (7), the sealing oil pressure release valve (8), the fuel oil pressure release valve (9) and the nitrogen pressure release valve (10), and the stop valve (6), the control oil pressure release valve (7), the sealing oil pressure release valve (8), the fuel oil pressure release valve (9) and the nitrogen pressure release valve (10) are arranged above the direction switch (11), the control oil pressure control valve (12), the sealing oil pressure control valve (13) and the fuel oil pressure control valve (14).
7. The testing device for the gas valve of the marine LGIP dual-fuel diesel engine according to claim 1, is characterized in that: the all fixed mounting in four corners of box (19) bottom has the supporting leg, the bottom fixed mounting of supporting leg has the rectangle pad, the length of rectangle pad is greater than the length of supporting leg bottom surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011319483.3A CN114526177A (en) | 2020-11-23 | 2020-11-23 | Testing device for gas valve of marine LGIP dual-fuel diesel engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011319483.3A CN114526177A (en) | 2020-11-23 | 2020-11-23 | Testing device for gas valve of marine LGIP dual-fuel diesel engine |
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CN114526177A true CN114526177A (en) | 2022-05-24 |
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CN202011319483.3A Pending CN114526177A (en) | 2020-11-23 | 2020-11-23 | Testing device for gas valve of marine LGIP dual-fuel diesel engine |
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2020
- 2020-11-23 CN CN202011319483.3A patent/CN114526177A/en active Pending
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