CN116753096B - Oil supply part structure for coal mine truck - Google Patents
Oil supply part structure for coal mine truck Download PDFInfo
- Publication number
- CN116753096B CN116753096B CN202311011822.5A CN202311011822A CN116753096B CN 116753096 B CN116753096 B CN 116753096B CN 202311011822 A CN202311011822 A CN 202311011822A CN 116753096 B CN116753096 B CN 116753096B
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- China
- Prior art keywords
- cavity
- shell
- fixedly connected
- oil supply
- sliding
- Prior art date
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- 239000003245 coal Substances 0.000 title claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 80
- 239000003921 oil Substances 0.000 claims description 103
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- 229910052742 iron Inorganic materials 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 20
- 239000003381 stabilizer Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000889 atomisation Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
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- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
-
- 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
Abstract
The invention discloses an oil supply part structure for a coal mine truck, which belongs to the technical field of automobile oil supply and comprises a shell, wherein a first oil supply cavity is formed in the middle part in the shell, a first cavity is formed in the inner upper part of the shell, an end cover positioned at the upper port of the first cavity is fixedly connected with the shell, a second oil supply cavity is formed in the inner lower part of the shell, a second cavity is formed between the first oil supply cavity and the second oil supply cavity in the shell, a valve rod is connected to the upper port in the first oil supply cavity in a sliding manner, and the upper end of the valve rod extends into the first cavity; according to the invention, the driving mechanism provides power to enable the valve rod to continuously extrude the space in the first oil supply cavity after the fuel is injected into the first oil supply cavity, so that the oil pressure in the shell can be further improved on the basis of the oil pressure provided by the pressure stabilizer, the atomization effect of the fuel sprayed out through the spraying hole can be improved, and the combustion rate of the fuel and the energy conversion rate of the engine are further improved.
Description
Technical Field
The invention relates to the technical field of automobile oil supply, in particular to an oil supply part structure for a coal mine truck.
Background
The fuel supply system of the fuel vehicle is generally that fuel passes through an oil pump, a fuel filter and a pressure stabilizer sequentially from an oil tank, then the fuel is sprayed into a combustion chamber of an engine by a fuel nozzle, and during the period that the fuel nozzle does not spray fuel, the fuel output by the pressure stabilizer finally flows back into the oil tank sequentially through a pressure valve and a return pipe. The pressure stabilizer provides oil pressure in a stable range, and the fuel oil with stable pressure sprays mist oil into the combustion chamber through the oil nozzle.
The power requirements of large-scale fuel vehicles on engines are higher and higher, such as coal trucks, and the power of the engines depends on the combustion efficiency of fuel, the combustion efficiency of the fuel depends on the atomization effect of fuel injection of a fuel injection nozzle, the atomization effect of the fuel injection nozzle depends on the magnitude of the injection pressure, the injection pressure directly depends on a pressure stabilizer, and the pressure stabilizer can only provide the oil pressure in a constant range, so that the atomization effect of the fuel injection of the traditional fuel injection nozzle is difficult to improve; and the inside structure of traditional fuel sprayer can influence spray hole initial stage spraying effect, specifically, in the traditional fuel sprayer with the oil pressure promotion needle that the stabiliser provided gradually upward slide, the lower extreme of gliding needle is left the spray hole gradually to upward slide's needle upper end extrusion spring, the fuel passes through the needle bottom and the gradual gap of oil pocket back rethread spray hole blowout, then, the smooth process of needle upward is slow relatively, the needle bottom is widened relatively slowly with the gradual gap earlier stage of oil pocket to lead to the atomizing effect of fuel sprayer spray initial stage to be poor.
Based on the structure, the invention designs an oil supply part structure for the coal mine truck, so as to solve the problems.
Disclosure of Invention
The invention aims to provide an oil supply part structure for a coal mine truck, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an oil feed portion structure for coal mine truck, includes the casing, the middle part begins to have first oil feed chamber in the casing, first cavity has been seted up to the upper portion in the casing, casing fixedly connected with is located the end cover of first cavity upper port, the second oil feed chamber has been seted up to the lower part in the casing, second cavity has been seted up between first oil feed chamber and the second oil feed chamber in the casing, the upper port sliding connection has the valve rod in the first oil feed chamber, the valve rod upper end extends to in the first cavity, fixedly connected with first spring between the upper structure of valve rod and the bottom in the first cavity, first spring upside fixedly connected with second spring, second spring upper end fixedly connected with sliding ring, sliding ring and first cavity inner wall sliding connection; the novel fuel injection valve is characterized in that a fuel channel is communicated between the first fuel supply cavity and the second fuel supply cavity, a hollow valve needle is arranged in the second fuel supply cavity, a gap is formed between the outer side of the hollow valve needle and the inner side of the second fuel supply cavity, the upper end of the hollow valve needle extends into the second cavity and is in sliding connection with the shell, a third spring is fixedly connected between the hollow valve needle and the inner top wall of the second cavity, a plurality of spray holes distributed in a circumferential array are formed in the lower end of the shell, the upper ends of the spray holes are communicated with the bottom end of the second fuel supply cavity, the bottom end of the hollow valve needle can be used for blocking the upper port of the spray holes, an oiling channel is formed in the shell, one end of the oiling channel is communicated with the upper end of one side of the first fuel supply cavity, and the other end of the oiling channel is communicated with the outside of the shell.
The novel valve is characterized in that a first locking mechanism for locking the hollow valve needle is arranged in the shell, a second locking mechanism for locking the valve rod is arranged in the shell, a driving mechanism for driving the sliding ring to slide downwards is arranged in the shell, and a third locking mechanism for locking the sliding ring is arranged in the shell.
As a further scheme of the invention, the first locking mechanism comprises a third cavity and a first jack, the third cavity is arranged in the shell and is positioned at one side of the second cavity, a limit sliding block is connected in the third cavity in a sliding way, a first inserting rod is fixedly connected to one side of the limit sliding block, which is close to the second cavity, the first jack is arranged at one side, which faces the third cavity, of the hollow valve needle, the first inserting rod can extend into the second cavity and can be inserted into the first jack, a piston column is fixedly connected to one side, which is close to the second cavity, of the limit sliding block, the piston column can extend into the second oil supply cavity, and a fourth spring is fixedly connected between the limit sliding block and one side, which is far away from the second cavity, of the third cavity.
As a further scheme of the invention, one side of the limit sliding block, which is far away from the second cavity, is fixedly connected with a limit ejector rod.
As a further scheme of the invention, the second locking mechanism comprises a fourth cavity and a second jack, the fourth cavity is arranged in the shell and is positioned at one side of the first cavity, a first iron slide block is connected in the fourth cavity in a sliding way, a second inserting rod is fixedly connected to one side of the first iron slide block, which is close to the first cavity, the second jack is arranged at one side of the valve rod, which faces the fourth cavity, the second inserting rod can extend into the first cavity and can be inserted into the second jack, a fifth spring is fixedly connected between the first iron slide block and one side, which is far away from the first cavity, of the fourth cavity, and a first electromagnet is fixedly connected to the middle part of one side, which is far away from the first cavity, of the fourth cavity.
As a further scheme of the invention, the driving mechanism comprises a first fixed pipe, the first fixed pipe is sleeved in the hollow valve needle and slides relatively to the hollow valve needle, the lower port of the first fixed pipe extends out of the shell and is fixedly connected with the shell, the upper port of the first fixed pipe is fixedly connected with the inner top wall of the second cavity and is fixedly communicated with a second fixed pipe positioned in the first oil supply cavity, the upper end of the second fixed pipe extends to the upper side of the valve rod, a sliding rod is slidably connected in the second fixed pipe, the lower end of the sliding rod can extend to the inner bottom of the first fixed pipe and is fixedly connected with a piston block, the piston block is slidably connected with the inner wall of the first fixed pipe, a sixth spring is fixedly connected between the piston block and the inner top wall of the first fixed pipe, and a reverse rotating assembly is arranged between the upper end of the sliding rod and the sliding ring.
As a further scheme of the invention, the reverse rotation assembly comprises a sliding sleeve, the sliding sleeve is fixedly arranged in the middle of the lower side of the end cover and is positioned in the first cavity, the lower end of one side of the sliding sleeve is rotationally connected with a gear, one side of the gear is meshed with a first rack, the other side of the gear is meshed with a second rack, the first rack is fixedly connected with the sliding ring, the upper end of the second rack is slidably connected with the lower end of the sliding sleeve, and the lower end of the second rack is fixedly connected with the upper end of the sliding rod.
As a further scheme of the invention, the third locking mechanism comprises a fifth cavity and a third jack, the fifth cavity is arranged in the shell and is positioned at one side of the first cavity, a second iron slide block is connected in the fifth cavity in a sliding way, a third inserting rod is fixedly connected to one side of the second iron slide block, which is close to the first cavity, the third jack is arranged at one side of the slip ring, which is close to the fifth cavity, the third inserting rod can extend into the first cavity and can be inserted into the third jack, a seventh spring is fixedly connected between the second iron slide block and one end, which is far away from the first cavity, of the fifth cavity, and a second electromagnet is fixedly connected to the middle part of one end, which is far away from the first cavity, of the fifth cavity.
As a further scheme of the invention, the outside of the shell is fixedly connected with a solenoid valve, and the output end of the solenoid valve is communicated with one end of the oiling channel far away from the first oil supply cavity.
As a further scheme of the invention, a one-way air inlet is formed in the shell, one end of the one-way air inlet is communicated with the bottom end of one side of the first oil supply cavity, and the other end of the one-way air inlet is communicated with the outside of the shell.
As a further scheme of the invention, the lower end of the outer side of the shell is sleeved with a sealing ring.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the driving mechanism provides power to enable the valve rod to continuously extrude the space in the first oil supply cavity after the fuel is injected into the first oil supply cavity, so that the oil pressure in the shell can be further improved on the basis of the oil pressure provided by the pressure stabilizer, the atomization effect of the fuel sprayed out through the spraying hole can be improved, and the combustion rate of the fuel and the energy conversion rate of the engine are further improved.
According to the invention, the hollow valve needle can slide upwards and compress the third spring under the pressure of the oil pressure provided by the pressure stabilizer, and when the oil pressure in the shell is greater than the oil pressure provided by the pressure stabilizer by a certain amount, the first locking mechanism can release the hollow valve needle under the pushing of the oil pressure, so that the hollow valve needle can slide upwards more quickly under the pushing of the greater oil pressure, the bottom of the hollow valve needle is separated from the spray hole instantly, and fuel can be atomized efficiently through the spray hole and sprayed outwards in a burst mode from the beginning, so that the combustion rate of the fuel and the energy conversion rate of an engine are further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the lower section structure of the present invention;
FIG. 4 is a schematic view of a middle section structure of the present invention;
fig. 5 is a schematic view of the upper section structure of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a housing; 2. a first oil supply chamber; 3. a first cavity; 4. an end cap; 5. a second oil supply chamber; 6. a second cavity; 7. a valve stem; 8. a first spring; 9. a second spring; 10. a slip ring; 11. a fuel passage; 12. a hollow valve needle; 13. a third spring; 14. a spray hole; 15. a third cavity; 16. a limit sliding block; 17. a first plunger; 18. a first jack; 19. a piston column; 20. a fourth spring; 21. limiting ejector rod; 22. a fourth cavity; 23. a first iron slide; 24. a second plunger; 25. a second jack; 26. a fifth spring; 27. a first electromagnet; 28. a first fixed tube; 29. a second fixed tube; 30. a slide bar; 31. a piston block; 32. a sixth spring; 33. a sliding sleeve; 34. a gear; 35. a first rack; 36. a second rack; 37. an oiling channel; 38. an electromagnetic valve; 39. a unidirectional air inlet; 40. a seal ring; 41. a fifth cavity; 42. a second iron slide; 43. a third plunger; 44. a third jack; 45. a seventh spring; 46. and a second electromagnet.
Detailed Description
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an oil feed portion structure for coal mine truck, includes casing 1, the middle part begins to have first oil feed chamber 2 in the casing 1, first cavity 3 has been seted up to the upper portion in the casing 1, casing 1 fixedly connected with is located the end cover 4 of first cavity 3 upper port, second oil feed chamber 5 has been seted up to the lower part in the casing 1, second cavity 6 has been seted up between first oil feed chamber 2 and second oil feed chamber 5 in the casing 1, upper port sliding connection has valve rod 7 in the first oil feed chamber 2, valve rod 7 upper end extends to in the first cavity 3, fixedly connected with first spring 8 between the upper structure of valve rod 7 and the bottom in the first cavity 3, first spring 8 upside fixedly connected with second spring 9, second spring 9 upper end fixedly connected with sliding ring 10, sliding ring 10 and first cavity 3 inner wall sliding connection; the novel fuel injection valve is characterized in that a fuel oil channel 11 is communicated between the first fuel supply cavity 2 and the second fuel supply cavity 5, a hollow valve needle 12 is arranged in the second fuel supply cavity 5, a gap is arranged between the outer side of the hollow valve needle 12 and the inner side of the second fuel supply cavity 5, the upper end of the hollow valve needle 12 extends into the second cavity 6 and is in sliding connection with the shell 1, a third spring 13 is fixedly connected between the hollow valve needle 12 and the inner top wall of the second cavity 6, a plurality of spray holes 14 distributed in a circumferential array are formed in the lower end of the shell 1, the upper ends of the spray holes 14 are communicated with the bottom end of the second fuel supply cavity 5, the bottom end of the hollow valve needle 12 can be used for blocking the upper end of the spray holes 14, an oiling channel 37 is formed in the shell 1, one end of the oiling channel 37 is communicated with the upper end of one side of the first fuel supply cavity 2, and the other end of the oiling channel is communicated with the shell 1.
A first locking mechanism for locking the hollow valve needle 12 is arranged in the shell 1, a second locking mechanism for locking the valve rod 7 is arranged in the shell 1, a driving mechanism for driving the sliding ring 10 to slide downwards is arranged in the shell 1, and a third locking mechanism for locking the sliding ring 10 is arranged in the shell 1.
When the scheme is put into practical use, the bottom end of the shell 1 directly penetrates into a combustion chamber of an engine, air in the combustion chamber expands after the combustion chamber is ignited, an engine piston moves downwards, meanwhile, a driving mechanism pulls a sliding ring 10 to slide downwards by taking expanding gas as power and compresses a second spring 9, and the sliding ring 10 is automatically fixed by a third locking mechanism after sliding downwards by a certain height; when the combustion chamber is burned out, the engine piston starts to reset, waste gas is discharged through the exhaust pipe, and when the engine piston is completely reset, the exhaust pipe is closed, the air inlet pipe is opened and is in air inlet, and meanwhile, the oil supply system supplies oil, and the following concrete is that: the computer program controls and inputs proper amount of fuel into the first fuel supply cavity 2, the fuel channel 11 and the second fuel supply cavity 5 through the fuel injection channel 37, then the second locking mechanism is controlled by the program to release the valve rod 7, the valve rod 7 moves downwards under the pushing of the second spring 9 and blocks the fuel injection channel 37, the pressure in the first fuel supply cavity 2, the fuel channel 11 and the second fuel supply cavity 5 increases rapidly, when the pressure increases to a certain value, the pressure forces the first locking mechanism to release the hollow valve needle 12, the hollow valve needle 12 moves upwards slightly under strong pressure and does not block the spray hole 14 any more, at this moment, the high pressure fuel in the first fuel supply cavity 2, the fuel channel 11 and the second fuel supply cavity 5 is sprayed into the combustion chamber through the spray hole 14 any more instantaneously, after the fuel injection is finished, the program controls the third locking mechanism to release the slip ring 10, the valve rod 7 and the slip ring 10 reset under the pushing of the first spring 8 and the second spring 9 respectively, the second locking mechanism automatically fixes the valve rod 7 after the valve rod 7 resets, and then the air inlet pipe, the spark plug is closed, the spark plug burns again, the oil mist is burned again in the combustion chamber, and the structure is burned again in this way, and the oil is burned again in the combustion chamber; in this way, the structure provides power through the driving mechanism, so that the valve rod 7 can continuously squeeze the space in the first oil supply cavity 2 after the fuel is injected into the first oil supply cavity 2, the oil pressure in the shell 1 can be further improved on the basis of the oil pressure provided by the pressure stabilizer, the atomization effect of the fuel sprayed out through the spraying hole 14 can be improved, and the combustion rate of the fuel and the energy conversion rate of the engine are further improved; in this structure cavity needle 12 originally can slide and compress third spring 13 under the pressure of the oil pressure that the stabiliser provided, and after the oil pressure is greater than the oil pressure that the stabiliser provided in casing 1 a certain amount, first latch mechanism just can loosen cavity needle 12 under the promotion of oil pressure to make cavity needle 12 can slide more fast in bigger oil pressure promotion, make the bottom of cavity needle 12 break away from spray hole 14 in the twinkling of an eye, and then make the fuel just can be through the high-efficient atomizing of spray hole 14 and be the outward injection of explosive type from the beginning, further improved the combustion rate of fuel and the energy conversion rate of engine.
As shown in fig. 2 and 3, as a further solution of the present invention, the first latching mechanism includes a third cavity 15 and a first jack 18, the third cavity 15 is opened in the housing 1 and is located at one side of the second cavity 6, a limit slider 16 is slidably connected in the third cavity 15, one side of the limit slider 16 close to the second cavity 6 is fixedly connected with a first inserting rod 17, the first jack 18 is opened at one side of the hollow valve needle 12 facing the third cavity 15, the first inserting rod 17 can extend into the second cavity 6 and can be inserted into the first jack 18, one side of the limit slider 16 close to the second cavity 6 is fixedly connected with a piston post 19, the piston post 19 can extend into the second oil supply cavity 5, and a fourth spring 20 is fixedly connected between the limit slider 16 and one side of the third cavity 15 far from the second cavity 6.
When the scheme is put into practical use, when the oil pressure in the second oil supply cavity 5 reaches a certain amount, the piston column 19 drives the limit slide block 16 to slide in a direction away from the second cavity 6 under the pushing of the oil pressure, and the limit slide block 16 compresses the fourth spring 20 and drives the first inserting rod 17 to be separated from the first inserting hole 18, so that the hollow valve needle 12 is loosened; when the fuel injection in the second fuel supply cavity 5 is completed, the hollow valve needle 12 moves downwards to reset under the pushing of the third spring 13, after the hollow valve needle 12 resets, the limiting slide block 16 resets under the pushing force of the fourth spring 20, and the limiting slide block 16 drives the first inserting rod 17 and the piston column 19 to reset, so that the first inserting rod 17 is inserted into the first inserting hole 18, and the locking of the hollow valve needle 12 is realized.
As shown in fig. 3, as a further scheme of the present invention, a limiting ejector rod 21 is fixedly connected to one side of the limiting slider 16 away from the second cavity 6; in operation, when the first plunger 17 is just completely separated from the first jack 18, the limiting ejector rod 21 just abuts against the inner wall of the third cavity 15, so as to prevent the piston rod 19 from further contracting towards the third cavity 15, and ensure the pressure in the second oil supply cavity 5.
As shown in fig. 2 and 4, as a further solution of the present invention, the second locking mechanism includes a fourth cavity 22 and a second jack 25, the fourth cavity 22 is opened in the housing 1 and is located at one side of the first cavity 3, a first iron slide 23 is slidably connected in the fourth cavity 22, a second insert rod 24 is fixedly connected to one side of the first iron slide 23 close to the first cavity 3, the second jack 25 is opened at one side of the valve rod 7 facing the fourth cavity 22, the second insert rod 24 can extend into the first cavity 3 and can be inserted into the second jack 25, a fifth spring 26 is fixedly connected between the first iron slide 23 and one side of the fourth cavity 22 far away from the first cavity 3, and a first electromagnet 27 is fixedly connected to the middle of one side of the fourth cavity 22 far away from the first cavity 3.
When the scheme is put into practical use, when oil is required to be sprayed into the combustion chamber, the program controls the first electromagnet 27 to be electrified, the first iron slide block 23 slides in a direction away from the first cavity 3 under the suction force of the first electromagnet 27 and compresses the fifth spring 26, the first iron slide block 23 drives the second inserted link 24 to be separated from the second insertion hole 25, and the valve rod 7 can slide downwards under the pressing of the second spring 9, so that oil is sprayed into the combustion chamber; when the valve rod 7 slides downwards, the first iron slide block 23 is pushed by the fifth spring 26 to reset the second inserted link 24; after the oil is sprayed, the program controls the third locking mechanism to release the slip ring 10, so that the valve rod 7 and the slip ring 10 can slide up to reset under the elastic force of the first spring 8 and the second spring 9 respectively, the valve rod 7 resets, and the second inserted rod 24 is automatically inserted into the second insertion hole 25 under the elastic force of the fifth spring 26, so that the valve rod 7 is fixed.
As shown in fig. 2, 3, 4 and 5, as a further scheme of the present invention, the driving mechanism includes a first fixed tube 28, the first fixed tube 28 is sleeved in the hollow valve needle 12 and slides relatively to the hollow valve needle 12, a lower port of the first fixed tube 28 extends out of the housing 1 and is fixedly connected with the housing 1, an upper port of the first fixed tube 28 is fixedly connected with an inner top wall of the second cavity 6 and is fixedly communicated with a second fixed tube 29 located in the first oil supply cavity 2, an upper end of the second fixed tube 29 extends to an upper side of the valve rod 7, a sliding rod 30 is slidably connected in the second fixed tube 29, a lower end of the sliding rod 30 can extend to an inner bottom of the first fixed tube 28 and is fixedly connected with a piston block 31, the piston block 31 is slidably connected with an inner wall of the first fixed tube 28, a sixth spring 32 is fixedly connected between the piston block 31 and the inner top wall of the first fixed tube 28, and a reverse rotation assembly is arranged between the upper end of the sliding rod 30 and the sliding ring 10.
When the scheme is put into practical use, when the air pressure expanding in the combustion chamber pushes the piston block 31 to slide upwards, the piston block 31 pushes the slide rod 30 to move upwards, the slide rod 30 pulls the slide ring 10 to move downwards through the reverse transmission assembly, and the second spring 9 is gradually compressed by the slide ring 10, so that the slide ring 10 can push the valve rod 7 downwards through the second spring 9; after the oil is sprayed and the third locking mechanism releases the slip ring 10, the piston block 31 and the slide rod 30 slide down to reset under the elastic force of the sixth spring 32, so that the next time the piston block is pushed up by the gas combusted and expanded in the combustion chamber.
As shown in fig. 5, as a further scheme of the present invention, the reverse rotation assembly includes a sliding sleeve 33, the sliding sleeve 33 is fixedly disposed in the middle of the lower side of the end cover 4 and is located in the first cavity 3, a gear 34 is rotationally connected to the lower end of one side of the sliding sleeve 33, a first rack 35 is meshed with one side of the gear 34, a second rack 36 is meshed with the other side of the gear 34, the first rack 35 is fixedly connected with the sliding ring 10, the upper end of the second rack 36 is slidably connected with the lower end of the sliding sleeve 33, and the lower end of the second rack 36 is fixedly connected with the upper end of the sliding rod 30.
When the scheme is put into practical use, when the slide bar 30 moves upwards, the slide bar 30 pushes the second rack 36 to move upwards to drive the gear 34 to rotate, the first rack 35 to be determined by the gear 34 moves downwards, and the first rack 35 drives the slip ring 10 to slide downwards, so that the slip ring 10 compresses the second spring 9 downwards; after the oil is sprayed, the program controls the third locking mechanism to release the sliding ring 10, the sliding ring 10 slides up to reset under the pushing of the second spring 9, the sliding rod 30 slides down to reset under the pushing of the sixth spring 32, the sliding ring 10 drives the first rack 35 to move up to reset, and the sliding rod 30 drives the second rack 36 to synchronously move down to reset.
As shown in fig. 2 and 5, as a further solution of the present invention, the third locking mechanism includes a fifth cavity 41 and a third jack 44, the fifth cavity 41 is opened in the housing 1 and is located at one side of the first cavity 3, a second iron slider 42 is slidably connected in the fifth cavity 41, a third inserting rod 43 is fixedly connected to one side of the second iron slider 42 close to the first cavity 3, the third jack 44 is opened at one side of the slip ring 10 close to the fifth cavity 41, the third inserting rod 43 can extend into the first cavity 3 and can be inserted into the third jack 44, a seventh spring 45 is fixedly connected between the second iron slider 42 and one end, far away from the first cavity 3, of the fifth cavity 41, and a second electromagnet 46 is fixedly connected to the middle of one end, far away from the first cavity 3, of the fifth cavity 41.
When the slip ring 10 is driven by the driving mechanism to move down to the third jack 44 to be aligned with the third inserting rod 43 in actual use, the third inserting rod 43 is automatically inserted into the third jack 44 under the thrust of the seventh spring 45, so that the slip ring 10 is fixed; after the oil is sprayed, the program controls the second electromagnet 46 to be electrified, the second iron slide block 42 moves away from the first cavity 3 under the suction force of the second electromagnet 46, and the second iron slide block 42 drives the third inserted link 43 to be separated from the third insertion hole 44, so that the slip ring 10 can slide up to reset under the elasticity of the second spring 9.
As shown in fig. 1, as a further scheme of the present invention, an electromagnetic valve 38 is fixedly connected to the outer side of the casing 1, and an output end of the electromagnetic valve 38 is communicated with one end of the oil filling channel 37 away from the first oil supply cavity 2; in operation, when oil is required to be supplied into the first oil supply chamber 2, the program control solenoid valve 38 is opened, fuel is sequentially injected into the first oil supply chamber 2, the fuel channel 11 and the second oil supply chamber 5 through the oil injection channel 37, and when the injected fuel reaches a set amount, the internal program control solenoid valve 38 is closed, so that the oil injection channel 37 stops injecting oil.
As shown in fig. 1, 2, 3 and 4, as a further scheme of the present invention, a unidirectional air inlet 39 is formed in the housing 1, one end of the unidirectional air inlet 39 is communicated with the bottom end of one side of the first oil supply cavity 2, and the other end is communicated with the outside of the housing 1; in the work, when the valve rod 7 moves upwards, the interior of the first oil supply cavity 2 is negative pressure, and at the moment, air can enter the interior of the first oil supply cavity 2 through the one-way air inlet hole 39, so that the influence of excessive negative pressure in the first oil supply cavity 2 on the upwards moving reset of the valve rod 7 is avoided; when the valve rod 7 moves downwards, the first oil supply cavity 2 is internally provided with positive pressure, the unidirectional air inlet hole 39 is automatically plugged, the fuel in the first oil supply cavity 2 is prevented from leaking outwards, and the oil pressure in the first oil supply cavity 2 is ensured.
As shown in fig. 1, 2 and 3, as a further scheme of the invention, a sealing ring 40 is sleeved at the lower end of the outer side of the shell 1; in operation, the sealing ring 40 can ensure the tightness of the joint of the housing 1 and the engine.
Claims (10)
1. The utility model provides a colliery is oil feed portion structure for truck, includes, its characterized in that: the novel valve comprises a shell (1), a first oil supply cavity (2) is formed in the middle of the interior of the shell (1), a first cavity (3) is formed in the upper portion of the interior of the shell (1), an end cover (4) positioned at the upper end opening of the first cavity (3) is fixedly connected with the shell (1), a second oil supply cavity (5) is formed in the lower portion of the interior of the shell (1), a second cavity (6) is formed between the first oil supply cavity (2) and the second oil supply cavity (5) in the shell (1), a valve rod (7) is slidably connected to the upper end opening of the interior of the first oil supply cavity (2), a first spring (8) is fixedly connected between the upper structure of the valve rod (7) and the bottom end of the interior of the first cavity (3), a second spring (9) is fixedly connected to the upper side of the first spring (8), and a slip ring (10) is fixedly connected to the upper end of the second spring (9), and the slip ring (10) is slidably connected with the inner wall of the first cavity (3). The novel fuel injection valve is characterized in that a fuel oil channel (11) is communicated between the first fuel supply cavity (2) and the second fuel supply cavity (5), a hollow valve needle (12) is arranged in the second fuel supply cavity (5), a gap is arranged between the outer side of the hollow valve needle (12) and the inner side of the second fuel supply cavity (5), the upper end of the hollow valve needle (12) extends into the second cavity (6) and is in sliding connection with the shell (1), a third spring (13) is fixedly connected between the hollow valve needle (12) and the inner top wall of the second cavity (6), a plurality of spray holes (14) distributed in a circumferential array are formed in the lower end of the shell (1), the upper ends of the spray holes (14) are communicated with the bottom end of the second fuel supply cavity (5), the bottom end of the hollow valve needle (12) can seal the upper port of the spray holes (14), a fuel injection channel (37) is formed in the shell (1), one end of the fuel injection channel (37) is communicated with the upper end of one side of the first fuel supply cavity (2), and the other end of the fuel injection channel is communicated with the outside the shell (1).
The novel valve is characterized in that a first locking mechanism for locking the hollow valve needle (12) is arranged in the shell (1), a second locking mechanism for locking the valve rod (7) is arranged in the shell (1), a driving mechanism for driving the sliding ring (10) to slide downwards is arranged in the shell (1), and a third locking mechanism for locking the sliding ring (10) is arranged in the shell (1).
2. The oil supply portion structure for a coal mine truck according to claim 1, wherein: the first locking mechanism comprises a third cavity (15) and a first jack (18), the third cavity (15) is formed in the shell (1) and is located at one side of the second cavity (6), a limiting sliding block (16) is connected in the third cavity (15) in a sliding mode, a first inserting rod (17) is fixedly connected to one side, close to the second cavity (6), of the limiting sliding block (16), the first jack (18) is formed in one side, facing the third cavity (15), of the hollow valve needle (12), the first inserting rod (17) can extend into the second cavity (6) and can be connected with the first jack (18) in an inserting mode, one side, close to the second cavity (6), of the limiting sliding block (16) is fixedly connected with a piston column (19), the piston column (19) can extend into the second oil supply cavity (5), and a fourth spring (20) is fixedly connected between one side, far away from the second cavity (6), of the limiting sliding block (16) and the third cavity (15).
3. The oil supply portion structure for a coal mine truck according to claim 1, wherein: the second locking mechanism comprises a fourth cavity (22) and a second jack (25), the fourth cavity (22) is formed in the shell (1) and is located on one side of the first cavity (3), a first iron slide block (23) is connected in the fourth cavity (22) in a sliding mode, a second inserting rod (24) is fixedly connected to one side, close to the first cavity (3), of the first iron slide block (23), the second jack (25) is formed in one side, facing the fourth cavity (22), of the valve rod (7), the second inserting rod (24) can extend into the first cavity (3) and can be inserted into the second jack (25), a fifth spring (26) is fixedly connected between one side, far away from the first cavity (3), of the first iron slide block (23) and the fourth cavity (22), and a first electromagnet (27) is fixedly connected to the middle of one side, far away from the first cavity (3), of the fourth cavity (22).
4. The oil supply portion structure for a coal mine truck according to claim 1, wherein: the driving mechanism comprises a first fixed pipe (28), the first fixed pipe (28) is sleeved in the hollow valve needle (12) and slides relatively to the hollow valve needle (12), a lower port of the first fixed pipe (28) extends out of the shell (1) and is fixedly connected with the shell (1), a second fixed pipe (29) which is fixedly connected with and fixedly communicated with the inner top wall of the second cavity (6) and is positioned in the first oil supply cavity (2), the upper end of the second fixed pipe (29) extends to the upper side of the valve rod (7), a sliding rod (30) is connected in the second fixed pipe (29) in a sliding mode, the lower end of the sliding rod (30) can extend to the inner bottom of the first fixed pipe (28) and is fixedly connected with a piston block (31), the piston block (31) is in sliding connection with the inner wall of the first fixed pipe (28), a sixth spring (32) is fixedly connected between the piston block (31) and the inner top wall of the first fixed pipe (28), and a reverse rotating assembly is arranged between the sliding rod (30) and the upper end of the sliding rod (10).
5. The oil supply structure for a coal mine truck according to claim 4, wherein: the reverse rotation assembly comprises a sliding sleeve (33), the sliding sleeve (33) is fixedly arranged in the middle of the lower side of the end cover (4) and is located in the first cavity (3), a gear (34) is rotationally connected to the lower end of one side of the sliding sleeve (33), a first rack (35) is meshed to one side of the gear (34), a second rack (36) is meshed to the other side of the gear, the first rack (35) is fixedly connected with the sliding ring (10), the upper end of the second rack (36) is slidably connected with the lower end of the sliding sleeve (33), and the lower end of the second rack (36) is fixedly connected with the upper end of the sliding rod (30).
6. The oil supply portion structure for a coal mine truck according to claim 1, wherein: the third locking mechanism comprises a fifth cavity (41) and a third jack (44), the fifth cavity (41) is formed in the shell (1) and is located on one side of the first cavity (3), a second iron slide block (42) is connected in the fifth cavity (41) in a sliding mode, a third inserting rod (43) is fixedly connected to one side, close to the first cavity (3), of the second iron slide block (42), the third jack (44) is formed in one side, close to the fifth cavity (41), of the slip ring (10), the third inserting rod (43) can extend into the first cavity (3) and can be inserted into the third jack (44), a seventh spring (45) is fixedly connected between the second iron slide block (42) and one end, far away from the first cavity (3), of the fifth cavity (41), and a second electromagnet (46) is fixedly connected to the middle portion, far away from the first cavity (3), of the fifth cavity (41).
7. The oil supply portion structure for a coal mine truck according to claim 2, wherein: and one side of the limiting sliding block (16) far away from the second cavity (6) is fixedly connected with a limiting ejector rod (21).
8. The oil supply portion structure for a coal mine truck according to claim 1, wherein: the outside of casing (1) fixedly connected with solenoid valve (38), the output of solenoid valve (38) and oiling passageway (37) keep away from the one end intercommunication of first oil feed chamber (2).
9. The oil supply portion structure for a coal mine truck according to claim 1, wherein: a one-way air inlet hole (39) is formed in the shell (1), one end of the one-way air inlet hole (39) is communicated with the bottom end of one side of the first oil supply cavity (2), and the other end of the one-way air inlet hole is communicated with the outside of the shell (1).
10. The oil supply portion structure for a coal mine truck according to claim 1, wherein: the lower end of the outer side of the shell (1) is sleeved with a sealing ring (40).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311011822.5A CN116753096B (en) | 2023-08-11 | 2023-08-11 | Oil supply part structure for coal mine truck |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311011822.5A CN116753096B (en) | 2023-08-11 | 2023-08-11 | Oil supply part structure for coal mine truck |
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| CN116753096A CN116753096A (en) | 2023-09-15 |
| CN116753096B true CN116753096B (en) | 2023-10-13 |
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| CN116753096A (en) | 2023-09-15 |
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