CN102322309A - Method and device for lubricating crank shaft on engine - Google Patents
Method and device for lubricating crank shaft on engine Download PDFInfo
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- CN102322309A CN102322309A CN201110294770A CN201110294770A CN102322309A CN 102322309 A CN102322309 A CN 102322309A CN 201110294770 A CN201110294770 A CN 201110294770A CN 201110294770 A CN201110294770 A CN 201110294770A CN 102322309 A CN102322309 A CN 102322309A
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- bent axle
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a method for lubricating a crank shaft on an engine, comprising the following steps of: S1, monitoring and displaying a working state of the crank shaft; S2, judging whether an input part of a lubrication oil on the crank shaft rolls out or not; S3, inputting the lubrication oil to the input part of the lubrication oil from a channel to lubricate the whole crank shaft; S4, judging whether the input part of the lubrication oil on the crank shaft is closed or not; and S5, returning the lubrication oil from the channel to an oil bottom shell. The invention also discloses a device for lubricating the crank shaft on the engine. The method and device provided by the invention have the advantages of more sufficient lubrication, high lubrication efficiency and timely control of a lubrication state.
Description
Technical field
The present invention relates to engine art, more particularly, relate to crankshaft lubrication method and device on a kind of engine.
Background technique
Known from institute, bent axle is the main rotary gadget of engine, load onto connecting rod after, can accept connecting rod about (back and forth) motion become circulation (rotation) and move.Its material is processed by structural carbon steel or spheroidal graphite cast iron, and two significant points are arranged: main journal, connecting rod neck, (also having other).Main journal is installed on the cylinder body, and the connecting rod neck is connected with crank pin end pore, and the connecting rod small end hole is connected with steam-cylinder piston, is a typical slidercrank mechanism.
The rotation of bent axle is the power source of motor.It also is the driving source of whole mechanical system.Bent axle requires shock-resistant, wear-resisting, generally all forges with middle-carbon steel or medium carbon alloy steel and forms the fluid origin bent axle of also useful spheroidal graphite cast iron.Because bent axle will rotate under at a high speed, it needs lubricate friction surface with lubricant oil incessantly.Therefore in the bent axle body of the main journal of bent axle, rod journal, all be drilled with oil duct,, lubricate these positions so that lubricant oil can pass through these oil ducts.Because of lubricated unreasonable; Oiling agent is selected for use improper; Lubricating fitting is too loaded down with trivial details; Such as: wear and tear in machines is serious, noise is big, power consumption is high, oil vacuole is many, the loss of oily temperature height and grease, general, the poor performance at low temperatures of leakage of oil, starts difficulty and guide rail and creeps, and (out of control) or the like a series of problems of taking off not open of bearing stuck (vexed car), free wheel device all maybe be bad relevant with equipment lubrication.General solution is all fairly simple, in the original lubricant oil/fat that uses, adds a certain proportion of nanometer gold oil and just can solve.But people are still seeking a kind of lubricating method of conveniently saving trouble and device.
Summary of the invention
The technical problem that the present invention will solve is, provides a kind of efficient higher, the crankshaft lubrication method and apparatus that can monitor.
The present invention solves first technological scheme that its technical problem adopts: the crankshaft lubrication method on a kind of engine comprises:
S1. monitor the working state and the demonstration of bent axle;
S2. judge whether the lubricant oil input part on the bent axle produces;
S3. lubricant oil is imported described lubricant oil input part from passage, lubricated whole bent axle;
Whether the lubricant oil input part of S4. judging bent axle changes is closed;
S5. from said passage loopback lubricant oil to oil sump.
In the crankshaft lubrication method on engine of the present invention, also comprise step S21 behind the said step S2: filter out lubricated well cuts step.
In the crankshaft lubrication method on engine of the present invention, also comprise step S41 behind the said step S4: the step that described lubricant oil is cooled off.
In the crankshaft lubrication method on engine of the present invention, described passage bifurcation gets into described lubricant oil input part.
In the crankshaft lubrication method on engine of the present invention, described lubricant oil input part is hole or groove.
The present invention solves second technological scheme that its technical problem adopts: the crank lubricating device on a kind of engine comprises:
Monitoring bent axle module: be used for when engine start, the working state of monitoring bent axle also shows;
Judge and produce module: link to each other with described monitoring bent axle module, be used to judge whether the lubricant oil input part on the bent axle produces;
Lubricated module: produce module with described judgement and link to each other, be used for starting and lubricate, lubricant oil is imported described lubricant oil input part from passage, lubricated whole bent axle;
Judge to change the mold closing piece: link to each other with described lubricated module, whether the lubricant oil input part that is used to judge bent axle changes is closed;
Oil return module: link to each other with described judge module, be used for from said passage loopback lubricant oil to fuel tank.
In the crank lubricating device on engine of the present invention, also comprise filtering module, produce module with described judgement and link to each other, be used to filter out lubricated well cuts.
In the crank lubricating device on engine of the present invention, also comprise refrigerating module, link to each other, be used for described lubricant oil is cooled off with described commentaries on classics mold closing piece.
In the crank lubricating device on engine of the present invention, described passage bifurcation gets into described lubricant oil input part.
In the crank lubricating device on engine of the present invention, described crankcase bonnet installs rotor pump additional.
The crankshaft lubrication method and apparatus of embodiment of the present invention has following beneficial technical effects: lubricated more fully, high, the lubricating status of lubricating efficiency can in time control.
Description of drawings
Fig. 1 is a kind of engine structure schematic representation of existing technology of the present invention;
Fig. 2 is the crankshaft lubrication method flow diagram on a kind of engine of the embodiment of the invention;
Fig. 3 is the crank lubricating device structure skeleton diagram on a kind of engine of the embodiment of the invention.
Embodiment
By specifying technology contents of the present invention, structure characteristics, realized purpose and effect, give explanation below in conjunction with mode of execution and conjunction with figs. are detailed.
By common practise, we can know: motor can be divided into two cycle engine and four-stroke engine, and two cycle engine is meant that piston moves two strokes and bent axle and turns around and accomplish the engine of a work cycle in the cylinder.Four-stroke engine is meant that piston moves four strokes or the bent axle cylinder that takes two turns and accomplishes the engine of a work cycle, and these two kinds of engines can use various raw materials to drive.
See also Fig. 1, in existing technology of the present invention, a kind of engine structure schematic representation comprises:
Filler opening 10, spark plug 20, cylinder 30, air outlet 40, suction port 50, the tip 60, piston 70, connecting rod 80, crankshaft journal 90, bent axle 100, crankcase 110.Cylinder 30 body both sides are provided with air outlet 40 and suction port 50 relatively; Connecting rod 80 1 ends are articulated in a pin 60 (this pin 60 is worn the inside of tying in piston 70), and the other end is articulated on the bent axle 100 set in the cylinder block 30 bottom crankcases 110, specifically is connected on the crankshaft journal 90 of bent axle 100 usually.When the oil gas of piston 70 in cylinder block 30 inner upward stroke summit compressed mixed, spark plug 20 is lighted the oil gas of compression and is exploded, and can piston 70 be advanced to down stroke; Output power through bent axle 100, and piston 70 is when down stroke to air outlet 40, the waste gas of combustion explosion just can be discharged; Moment that waste gas is discharged can be in the air outlet 40 produce venturi effect and crankcase 110 precompressed; Make cylinder block 30 be negative pressure state, can suck the oil gas that mixes by suction port 50 (being provided with one-way cock), this moment, piston 70 utilized connecting rod 80; The rotating power of bent axle 100; The promotion of generation upward stroke, and the oil gas of compressed mixed and igniting blast once more moved so that drive bent axle 100 to down stroke thereby promote piston 70 once more.
See also Fig. 2, the embodiment of the invention, the crankshaft lubrication method on a kind of engine comprises:
S1. monitor the working state and the demonstration of bent axle;
The lubrication system system that is absolutely necessary in engine the inside; They are respectively lubricant oil, fuel tank, lubricating pump, lubricating oil purifier, lubricating oil duct composition, and effect is respectively filtrating equipment, the lubricating oil duct-lubricant delivery passage that the main Sheng of lubricant oil-main oiling agent, oil sump-oiling agent is carried parts, lubricating pump-oiling agent supply part, lubricating oil purifier-oiling agent.The rotation of bent axle is the power source of motor.Also be the driving source of whole mechanical system, bent axle generally all is a metal body.If rub between metal body and the metal body, if there is not any protection and lubricated, be easy to wearing and tearing to occur, and these wearing and tearing can continue to strengthen.So the working state of monitoring bent axle and the demonstration at the terminal, described terminal can be a desktop computer, kneetop computer, embedded display screen etc.
S2. judge whether the lubricant oil input part on the bent axle produces;
Among the present invention, full force feed lubrication is to carry out with the camshaft speed motion from an oil-feed pump that is installed on the engine bonnet.The oil of band pressure gets into crankshaft rear end through a passage and gets into crankshaft journal.A lot of parts also all can be furnished with oil duct among the engine, for example among crankshaft bearing liner and connecting rod bearing shell, connecting rod and the wrist pin layout are arranged all, and along with the rotation lubricant oil input part of bent axle exposes, oil sprays into crankcase inside.Wherein, the lubricant oil input part is hole or groove.
S21 step: filter out lubricated well cuts.
In the lubricant oil using process, can some metal fragments have been taken among the oil sump.After these lubricant oil were by long-term the use, it is many that metal fragment also becomes, if these metal fragments are brought in the parts once more; Be certain to hurt parts; So need a step of filtering these chips, so, need portion's article that can filter these chips: lubricating oil purifier; This lubricating oil purifier is to be connected among the lubricating oil duct, and just all lubricant oil all must be through just being transported to lubricated parts after this lubricating oil purifier.Can be installed in the inlet port of oil-feed pump, this so-called filter cleaner is exactly a wire netting that opening is bigger, mainly is to intercept some metal fragments, prevents that it from stopping up lubricating oil duct.
S3. lubricant oil is imported described lubricant oil input part from passage, lubricated whole bent axle;
After lubricant oil got into the crank lubricating input part, the passage bifurcation got into two outlets, and the lubricant oil of index strips pressure gets into crankshaft journal, and directly through passage continuous lubrication crankshaft journal, the end of connecting rod is in the cofree slip of crankshaft journal for lubricant oil.
Whether the lubricant oil input part of S4. judging bent axle changes is closed;
After starting engine, whole bent axle gyrates, and so that whole power source to be provided, when engine is no longer worked, lubrication system can detect the lubricant oil input part has changeed and close, can fuel cut-off.
S41. described lubricant oil is cooled off;
Produce certain temperature during crankshaft operation,, will absorb certain heat, then heat is taken away, help the crankshaft component heat radiation when lubricant oil arrives the running position.This just needs lube oil cooler, and lube oil cooler also can belong to a part of engine lubricating system, and it is to be connected in before the lubricating oil fine filter.General common lube oil cooler all adopts air-cooled design; Just radiator is positioned over and is easier to the place that contacts with air; And the form of radiator and water tank have similar design; All be fin through multilayer, the heat among the dispersion lubricant oil, thus take away the effect that these heats play heat radiation by air again.
S5. from said passage loopback lubricant oil to fuel tank.
The circulation of oiling agent among these parts is that each parts of engine are lubricated, how is their trend? At first, the filler of oiling adds injection lubricant oil; These lubricant oil can flow to fuel tank earlier and store; Work as engine start, lubricating pump will extract lubricant oil, be delivered to lubricating oil purifier, can be delivered among each parts that need lubricate through lubricating oil duct again through the lubricant oil that filters through lubricating oil duct is arranged in oil sump, and for example crankshaft bearing liner (big watt), connecting rod bearing shell (little watt) wait these places; Lubricate or cool off each parts; At last, when engine is not worked, flow back in the oil sump.
Above-described method realizes through computer software programs, and described computer software programs can be placed on the hard disk, on the floppy disk, on the USB flash disk, promptly can place circuit board by embedded software.
See also Fig. 2; Crank lubricating device on a kind of engine; Be used for realizing embodiment 1 method, comprise: monitoring bent axle module 10, judgement are produced module 20, filtering module 25, lubricated module 30, are judged commentaries on classics mold closing piece 40, refrigerating module 45, oil return module 50.Monitoring bent axle module 10 is used for behind the cylinder ignition trigger on the engine, feedback bent axle rotary state; Judge and produce module 20: link to each other with monitoring bent axle module 10, be used to judge whether the lubricant oil input part on the bent axle produces; Filtering module 25 produces module 20 with judgement and lubricated module 30 links to each other, and filters out lubricated well cuts; Lubricated module 30: produce module 20 with judgement and link to each other, be used for starting and lubricate, lubricant oil is imported described lubricant oil input part from passage, lubricated whole bent axle; Judge to change mold closing piece 40, link to each other with lubricated module 30, whether the lubricant oil input part that is used to judge bent axle changes is closed; Refrigerating module 45 links to each other with judging commentaries on classics mold closing piece 40 and lubricated module 30, is used for described lubricant oil is cooled off; Oil return module 50: link to each other with described judge module, be used for from said passage loopback lubricant oil to fuel tank.
In the crank lubricating device on engine of the present invention, described passage bifurcation gets into described lubricant oil input part.
In the crank lubricating device on engine of the present invention, the base of described cylinder is charged into crankcase cover.Because air cylinder base is charged into crankcase cover, the lubricant oil of discharge can not get into the low part of crankcase, has therefore avoided the increase oil consumption also can avoid cylinder end hydraulic lock in the engine start process.
The engine of embodiment of the present invention has following beneficial technical effects: lubricated more fully, high, the lubricating status of lubricating efficiency can in time control.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. the crankshaft lubrication method on the engine comprises:
S1. monitor the working state of bent axle;
S2. judge whether the lubricant oil input part on the bent axle produces;
S3. lubricant oil is imported described lubricant oil input part from passage, lubricated whole bent axle;
Whether the lubricant oil input part of S4. judging bent axle changes is closed;
S5. from said passage loopback lubricant oil to fuel tank.
2. the crankshaft lubrication method on the engine according to claim 1 is characterized in that, also comprises step S21 behind the said step S2: filter out lubricated well cuts.
3. the crankshaft lubrication method on the engine according to claim 1 is characterized in that, also comprises step S41 behind the said step S4: cool off described lubricant oil.
4. the crankshaft lubrication method on the engine according to claim 1 is characterized in that, described passage bifurcation gets into described lubricant oil input part.
5. the crankshaft lubrication method on the engine according to claim 1 is characterized in that, described lubricant oil input part is hole or groove.
6. the crank lubricating device on the engine is used to realize the described method of claim 1, it is characterized in that, comprising:
Monitoring bent axle module: be used for when engine start, the working state of monitoring bent axle also shows;
Judge and produce module: link to each other with described monitoring bent axle module, be used to judge whether the lubricant oil input part on the bent axle produces;
Lubricated module: produce module with described judgement and link to each other, be used for starting and lubricate, lubricant oil is imported described lubricant oil input part from passage, lubricated whole bent axle;
Judge to change the mold closing piece: link to each other with described lubricated module, whether the lubricant oil input part that is used to judge bent axle changes is closed;
Oil return module: link to each other with described judge module, be used for from said passage loopback lubricant oil to oil sump.
7. the crank lubricating device on the engine according to claim 6 is characterized in that, also comprises filtering module, produces module with described judgement and links to each other, and is used to filter out lubricated well cuts.
8. the crank lubricating device on the engine according to claim 6 is characterized in that, also comprises refrigerating module, changes the mold closing piece with described judgement and links to each other, and is used for described lubricant oil is cooled off.
9. the crank lubricating device on the engine according to claim 6 is characterized in that, described passage bifurcation gets into described lubricant oil input part.
10. the crank lubricating device on the engine according to claim 6 is characterized in that described air cylinder base is charged into crankcase cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294770A CN102322309A (en) | 2011-09-27 | 2011-09-27 | Method and device for lubricating crank shaft on engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294770A CN102322309A (en) | 2011-09-27 | 2011-09-27 | Method and device for lubricating crank shaft on engine |
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| Publication Number | Publication Date |
|---|---|
| CN102322309A true CN102322309A (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110294770A Pending CN102322309A (en) | 2011-09-27 | 2011-09-27 | Method and device for lubricating crank shaft on engine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001173634A (en) * | 1999-12-15 | 2001-06-26 | Honda Motor Co Ltd | Crankshaft having oil filter |
| CN1504670A (en) * | 2002-11-28 | 2004-06-16 | 三菱重工业株式会社 | Cylinder lubricating apparatus |
| CN1676888A (en) * | 2004-03-31 | 2005-10-05 | 三菱重工业株式会社 | Internal combustion engine with cylinder lubricating system |
| US20070283912A1 (en) * | 2006-06-07 | 2007-12-13 | Ford Global Technologies, Llc | Internal Combustion Engine Shaft Mounting Device with Calibrated Lubrication Supply Passage |
| CN202659299U (en) * | 2011-09-27 | 2013-01-09 | 上海北星实业有限公司 | Lubricating device of crankshaft on engine |
-
2011
- 2011-09-27 CN CN201110294770A patent/CN102322309A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001173634A (en) * | 1999-12-15 | 2001-06-26 | Honda Motor Co Ltd | Crankshaft having oil filter |
| CN1504670A (en) * | 2002-11-28 | 2004-06-16 | 三菱重工业株式会社 | Cylinder lubricating apparatus |
| CN1676888A (en) * | 2004-03-31 | 2005-10-05 | 三菱重工业株式会社 | Internal combustion engine with cylinder lubricating system |
| US20070283912A1 (en) * | 2006-06-07 | 2007-12-13 | Ford Global Technologies, Llc | Internal Combustion Engine Shaft Mounting Device with Calibrated Lubrication Supply Passage |
| CN202659299U (en) * | 2011-09-27 | 2013-01-09 | 上海北星实业有限公司 | Lubricating device of crankshaft on engine |
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Application publication date: 20120118 |