CN201526369U - Low-discharge four-cylinder electrical controlled diesel engine with dual-shaft balancing device - Google Patents
Low-discharge four-cylinder electrical controlled diesel engine with dual-shaft balancing device Download PDFInfo
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- CN201526369U CN201526369U CN2009202580345U CN200920258034U CN201526369U CN 201526369 U CN201526369 U CN 201526369U CN 2009202580345 U CN2009202580345 U CN 2009202580345U CN 200920258034 U CN200920258034 U CN 200920258034U CN 201526369 U CN201526369 U CN 201526369U
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- 239000000446 fuel Substances 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 239000000178 monomer Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010710 diesel engine oil Substances 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
A low-discharge four-cylinder electrical controlled diesel engine with a dual-shaft balancing device comprises an air cylinder body, an air cylinder cover, a crankshaft flywheel assembly, a piston connecting rod mechanism, an air distribution system, a combined electrical controlled unit pump fuel supplying system, a balancing shaft, a filtering device, a cooling fan and a booster. The air cylinder cover is mounted above the air cylinder body, the piston connecting rod mechanism and the crankshaft flywheel assembly are installed inside the air cylinder body, the balancing shaft is arranged below the skirt portion of the inner side of the air cylinder body, and the electrical controlled unit pump is mounted on a gear chamber. By adopting the high-pressure injecting electrical controlled combined unit pump, the diesel engine can accurately control fuel injection time and fuel supply amount, increase fuel injection pressure, lower harmful waste gas emissions, and lead the emission index to meet the emission standard requirements of non-road Euro IIIA. Besides, as the balancing shaft is installed inside the engine body, the diesel engine can decrease vibration without affecting self balance of crankshafts and disturbing engine fuel inside a fuel bottom casing. By adopting the scheme, the diesel engine can realize high power, low discharge and high operation comfort simultaneously.
Description
Technical field:
The utility model belongs to field of internal combustion engine, relates to a kind of low emission four cylinder electronic controlled diesels with two-shaft balancing device.
Background technique:
Along with the pollution of diesel emission to atmosphere environment increasingly sharpens, countries in the world government has all successively worked out more and more stricter Abgasgesetz, forbids the continuation production and selling of maximum discharge diesel engine product.At present, the mechanical oil supply system of the many employings of the diesel engine that China produces, charge oil pressure is lower, and fuel injection quantity is set by machinery, mainly considers 2 steady state conditions, can't take into account instantaneous conditions, anxious bad phenomenon such as quicken to smolder occurs easily, and can not regulate each cylinder fuel injection quantity equilibrium response automatically, fuel supply advance angle can only change with the rotating speed linear monotonic, can not realize the good combustion of inflammable mixture under each operating mode, exhaust index can't satisfy the requirement of non-road Europe IIIA and more maximum discharge standard.
In order to guarantee to have lower exhaust emissions index, generally adopt high-pressure common rail, monoblock pump Electrocontrolled high-pressure oil supply system to satisfy the above emission standard of Europe III in recent years, but the high pressure co-rail system technological level is had relatively high expectations, key technology and component all need external the introduction, the cost height, and also bigger to the change of type, be difficult to realize compatibility with existing product.
The secondary reciprocal inertia force of four-cylinder diesel engine is 4 times of single cylinder engine, and its direction is on cylinder centerline, and this secondary reciprocal inertia force can cause the up-down vibration of integrated equipment, causes operator's discomfort.Adopt Equilibrator can eliminate or weaken the influence of secondary reciprocal inertia force.Its basic principle is opposite and have an axle of unbalance mass, with a pair of sense of rotation, the cylinder centerline direction produce one with secondary reciprocal inertia force equal and opposite in direction, power that direction is opposite.According to this principle, can adopt multiple mode to realize.Domestic existing four-cylinder great majority are to increase a bull gear on a certain crankweb of bent axle, drive the trunnion shaft that is hung on body or main bearing seat down as active force with this, but this design has destroyed the balance of bent axle self more or less, increases the load of bearing shell and the internal stress of axle journal.In addition, because the trunnion shaft position is lower, the machine oil in the oil sump can be stirred in operation process, causing to drive to lose increases, and oil temperature raises, and influences the power and the functional reliability of diesel engine.
The model utility content:
The purpose of this utility model is to provide a kind of automatically controlled monoblock pump oil supply system of combined type with the two-shaft balancing device that reduces the secondary reciprocal inertia force, high-pressure injection, can satisfies non-road Europe IIIA emission standard and have the automatically controlled turbocharged and intercooled diesel engine of four cylinders that reaches Europe IIIB standard potentiality, when reducing environmental pollution, realize the travelling comfort of integrated equipment operation.
The technical solution of the utility model is: have the low emission four cylinder electronic controlled diesels of two-shaft balancing device, comprise cylinder block, cylinder head, crankshaft-flywheel assembly, piston crank mechanism, gas distribution system, the automatically controlled monoblock pump oil supply system of combined type, trunnion shaft, filter, cooling fan, pressurized machine.Cylinder head is installed in the cylinder block top, and piston crank mechanism, crankshaft-flywheel assembly are installed in cylinder block inside, and cooling fan is installed in the cylinder block front end, and filter hangs over the side of cylinder block outward, and trunnion shaft is arranged in cylinder block internal skirt below.The automatically controlled rmc monomer pump of the automatically controlled monoblock pump oil supply system of combined type is installed on the gear chamber, and pressurized machine is installed on the outlet pipe.
The automatically controlled monoblock pump oil supply system of combined type comprises crankshaft rotational speed sensor, the injection pump cam shaft speed transducer, cooling-water temperature sensor, fuel temperature sensor, the intake temperature pressure transducer, the wire harness parts, ECU (Electrical Control Unit), automatically controlled rmc monomer pump, electronic pedal, high-pressure oil pipe and oil sprayer, the Injection Pump wheel hub is installed in the front end of automatically controlled rmc monomer pump drive cam shaft, and compress by the big nut of axle front end, the bolt of four M10 is connected as a single entity fuel injection pump gear and Injection Pump wheel hub, the flange of automatically controlled rmc monomer pump front end is contained on the gear chamber ear end face, motor is in a cylinder compression top center position, fuel injection pump gear and idle gear are pressed the mark engagement, idle gear and crankshaft gear engagement.
The mounting point of automatically controlled rmc monomer pump on complete machine is from the cooling fan end, be positioned at the right side of complete machine, the coordinate position of the relative crankshaft center of injection pump cam shaft centre line is respectively: substantially horizontal C=196 ± 3mm, Vertical direction D=173 ± 3mm, established angle γ=15 ± 5 °.
The horizontal setting angle α of oil sprayer=15 ± 1 °, vertical setting angle β=7 ± 1 °, the coordinate position of the relative cylinder centerline in mounting hole of oil sprayer center is respectively on the cylinder head bottom surface: substantially horizontal E=1.8 ± 0.3mm, Vertical direction F=6.7 ± 0.3mm.
Trunnion shaft below cylinder block 1 internal skirt, about each one, highly identical, horizontal symmetrical is in cylinder centerline.Right balance shaft gear and the engagement of trunnion shaft idle gear, trunnion shaft idle gear and camshaft gear wheel engagement, left balance shaft gear and the engagement of oil pump driving gear are drawn lubricant oil from main oil gallery and are entered trunnion shaft, and trunnion shaft hollow is made oil duct.The coordinate position of the relative crankshaft center of two trunnion shaft center lines is respectively: substantially horizontal G=150 ± 2mm, H=153 ± 2mm, Vertical direction J=40 ± 2mm.
The utility model can reach following good effect: adopt the automatically controlled monoblock pump oil supply system of combined type on four cylinder turbocharged and intercooled diesel engines, can accurately control the oil spout moment and fuel delivery, and provide higher injection pressure, thereby reduction exhaust emissions, make the complete machine emission level reach non-road Europe IIIA emission standard, and provide the foundation for reaching Europe IIIB emission standard.Automatically controlled rmc monomer pump can and now be produced the mechanical pump that adopts and is exchanged, and the change that relates to is less, easily realization within a short period of time.Be built in the balance shaft system of internal body, when reducing vibration, improving driving comfortability, do not influence the balance of bent axle self, can not produce disturbance the machine oil in the oil sump.The enforcement of above scheme can make four-cylinder diesel engine realize low emission, high operation comfort.
Description of drawings:
Fig. 1 is the automatically controlled turbocharged and intercooled diesel engine structural representation of low emission four cylinders that the utlity model has two-shaft balancing device.
Fig. 2 is that partial sectional view is looked on the automatically controlled turbocharged and intercooled diesel engine of low emission four a cylinders left side that the utlity model has two-shaft balancing device.
Fig. 3 is the automatically controlled monoblock pump oil supply system of the automatically controlled turbocharged and intercooled diesel engine combined type of the low emission four cylinders structural representation that the utlity model has two-shaft balancing device.
Fig. 4 is the automatically controlled rmc monomer pump of the automatically controlled turbocharged and intercooled diesel engine of the low emission four cylinders scheme of installation that the utlity model has two-shaft balancing device.
Fig. 5 is the scheme of installation of the automatically controlled turbocharged and intercooled diesel engine oil sprayer of low emission four cylinders on cylinder head that the utlity model has two-shaft balancing device.
Fig. 6 is the AA-AA sectional view that the utlity model has the mounting point of the automatically controlled turbocharged and intercooled diesel engine oil sprayer of low emission four cylinders on cylinder head of two-shaft balancing device.
Fig. 7 is the worm's eye view of Fig. 6.
Embodiment:
As Fig. 1～shown in Figure 4, the utility model main structure comprises cylinder block 1, cylinder head 3, crankshaft-flywheel assembly 5, piston crank mechanism 7, gas distribution system 14, the automatically controlled monoblock pump oil supply system 17 of combined type, trunnion shaft 6, filter 4, cooling fan 2, pressurized machine 16, cylinder core distance 127mm, integrated cylinder cover.
Consider that product will reach non-road Europe IIIA emission standard, the oil supply system of product, combustion system have all been carried out optimal design and coupling.
Oil supply system adopts the automatically controlled monoblock pump oil supply system 17 of combined type, comprise crankshaft rotational speed sensor 20, injection pump cam shaft speed transducer 28, cooling-water temperature sensor 21, fuel temperature sensor 27, intake temperature pressure transducer 25, wire harness parts 29, ECU (Electrical Control Unit) 30, automatically controlled rmc monomer pump 31, electronic pedal 22, high-pressure oil pipe 24 and oil sprayer 23, Injection Pump wheel hub 35 is installed in the front end of monoblock pump drive cam shaft 34, and compress by the big nut 33 of axle front end, the bolt 32 of four M10 is connected as a single entity fuel injection pump gear 36 and Injection Pump wheel hub 35, the flange of automatically controlled rmc monomer pump 31 front ends is contained on gear chamber 13 ear end faces, motor is in a cylinder compression top center position, fuel injection pump gear 36 is pressed the mark engagement with idle gear 11, drive idle gear 11 by crankshaft gear 8, idle gear 11 drives fuel injection pump gear 36.The installation of automatically controlled rmc monomer pump 31 on complete machine can be exchanged with mechanical pump.The phase relationship of the monoblock pump commencement of fuel supply and a cylinder compression top center is controlled by the timing pin.Consider that high charge oil pressure can make the oil pump drive cam shaft bear bigger bending moment, increase oil pump carrier at pump housing rear portion and carry out supplemental support.
Oil sprayer adopts P series, porous, small aperture, low inertia oil sprayer, its horizontal setting angle α=15 ± 1 °, vertical setting angle β=7 ± 1 °, the coordinate position of the relative cylinder centerline in mounting hole of oil sprayer center is respectively on cylinder head 3 bottom surfaces: substantially horizontal E=1.8 ± 0.3mm, Vertical direction F=6.7 ± 0.3mm.
During startup, powered to starting electrical machinery by storage battery, starting electrical machinery drives the crankshaft-flywheel assembly rotation of diesel engine, and moves back and forth mixed gas in the compression cylinder by the connecting rod promotion piston that links to each other with bent axle in cylinder block.The motion that is meshing with each other by each gear simultaneously, coordinate the air feed of distribution device 14 and the fuel feeding of the automatically controlled monoblock pump oil supply system of combined type, the motion of fitting piston, according to time sequencing air feed, fuel feeding in cylinder successively, finish air inlet, compression, work done, exhaust stroke, the heat energy of inflammable mixture burning generation is converted into the kinetic energy output of flywheel rotation the most at last, and gas of combustion enters pressurized machine 16 by outlet pipe 15, air inlet is compressed, improved charging efficiency.
In the diesel engine running, the controlled device of automatically controlled rmc monomer pump is a high-speed electromagnetic valve 26, it is opened and determines fuel supply advance angle constantly, open endurance decision fuel delivery per cycle, the good combination of fuel supply advance angle and fuel delivery per cycle directly influences the quality of inflammable mixture burning quality, final decision the height of exhaust emissions.The operator realizes changing the demand of complete machine rotating speed by jamming on electronic pedal, crankshaft rotational speed sensor 20, injection pump cam shaft speed transducer 28, cooling-water temperature sensor 21, fuel temperature sensor 27,25 pairs of diesel engine operating conditionss of intake temperature pressure transducer are monitored in real time, and monitoring result fed back to ECU (Electrical Control Unit) 30, ECU (Electrical Control Unit) is searched control corresponding figure according to control strategy in each module, output pulse width and timing signal, adjust the unlatching moment and the endurance of unlatching of high-speed electromagnetic valve 26 in real time, realize control diesel engine cycle fuel delivery and fuel supply advance angle.The transmission of various signal turnover ECU (Electrical Control Unit) all realizes by wire harness parts 29.
The right balance shaft gear 9 of two-shaft balancing device, is rotated with 2 times of speed and bent axles to speed of crankshaft with the bent axle rotation by 10 transmissions of trunnion shaft idle gear in the same way by camshaft gear wheel 12; Left side balance shaft gear 19 relies on 18 transmissions of oil pump driving gear, rotate with 2 times of speed and crankshaft reversal rotations with bent axle to speed of crankshaft, two trunnion shaft actings in conjunction, the cylinder centerline direction produce one with secondary reciprocal inertia force equal and opposite in direction, power that direction is opposite, can eliminate or weaken the influence of secondary reciprocal inertia force.The coordinate position of the relative crankshaft center of two trunnion shaft center lines is respectively: substantially horizontal G=150 ± 2mm, H=153 ± 2mm, Vertical direction J=40 ± 2mm.
The utlity model has the low emission four cylinder electronic controlled diesels of two-shaft balancing device, have high power, high reliability, low oil consumption, low emission, low vibration, low noise characteristics, the requirement of non-road Europe IIIA emission standard is satisfied in toxic emission.
The low emission four cylinder electronic controlled diesels that the utlity model has two-shaft balancing device are not limited to above-mentioned mode of execution, can be widely used in the supporting of big or middle horsepower wheeled tractor and harvest machinery.
Claims (5)
1. the low emission four cylinder electronic controlled diesels with two-shaft balancing device comprise cylinder block (1), cylinder head (3), crankshaft-flywheel assembly (5), piston crank mechanism (7), gas distribution system (14), the automatically controlled monoblock pump oil supply system of combined type (17), trunnion shaft (6), filter (4), cooling fan (2), pressurized machine (16); It is characterized in that: cylinder head (3) is installed in cylinder block (1) top, piston crank mechanism (7), crankshaft-flywheel assembly (5) are installed in cylinder block (1) inside, cooling fan (2) is installed in cylinder block (1) front end, the outer side that hangs over cylinder block (1) of filter (4), trunnion shaft (6) is arranged in cylinder block (1) internal skirt below, the automatically controlled rmc monomer pump (31) of the automatically controlled monoblock pump oil supply system of combined type (17) is installed on the gear chamber, and pressurized machine (16) is installed on the outlet pipe (15).
2. the low emission four cylinder electronic controlled diesels with two-shaft balancing device according to claim 1, it is characterized in that: in the automatically controlled monoblock pump oil supply system of combined type (17), Injection Pump wheel hub (35) is installed in the front end of automatically controlled rmc monomer pump drive cam shaft (34), and by the axle front end big nut (33) compress, the bolt of four M10 (32) is connected as a single entity fuel injection pump gear (36) and Injection Pump wheel hub (35), the flange of automatically controlled rmc monomer pump (31) front end is contained on gear chamber (13) ear end face, motor is in a cylinder compression top center position, fuel injection pump gear (36) is pressed the mark engagement with idle gear (11), idle gear (11) and crankshaft gear (8) engagement.
3. the low emission four cylinder electronic controlled diesels with two-shaft balancing device according to claim 1, it is characterized in that: hold from cooling fan (2) mounting point of automatically controlled rmc monomer pump (31) on complete machine, be positioned at the right side of complete machine, the coordinate position of the relative crankshaft center of injection pump cam shaft centre line is respectively: substantially horizontal C=196 ± 3mm, Vertical direction D=173 ± 3mm, established angle γ=15 ± 5 °.
4. the low emission four cylinder electronic controlled diesels with two-shaft balancing device according to claim 1, it is characterized in that: the horizontal setting angle α of oil sprayer (23)=15 ± 1 °, vertical setting angle β=7 ± 1 °, the coordinate position of the relative cylinder centerline in mounting hole of oil sprayer center is respectively on cylinder head (3) bottom surface: substantially horizontal E=1.8 ± 0.3mm, Vertical direction F=6.7 ± 0.3mm.
5. the low emission four cylinder electronic controlled diesels with two-shaft balancing device according to claim 1, it is characterized in that: trunnion shaft (6) is in cylinder block (1) internal skirt below, about each one, highly identical, horizontal symmetrical is in cylinder centerline, right balance shaft gear (9) and trunnion shaft idle gear (10) engagement, trunnion shaft idle gear (10) and camshaft gear wheel (12) engagement, left side balance shaft gear (19) and oil pump driving gear (18) engagement, draw lubricant oil from main oil gallery and enter trunnion shaft (6), trunnion shaft hollow is made oil duct, the coordinate position of the relative crankshaft center of two trunnion shaft center lines is respectively: substantially horizontal G=150 ± 2mm, H=153 ± 2mm, Vertical direction J=40 ± 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202580345U CN201526369U (en) | 2009-11-11 | 2009-11-11 | Low-discharge four-cylinder electrical controlled diesel engine with dual-shaft balancing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202580345U CN201526369U (en) | 2009-11-11 | 2009-11-11 | Low-discharge four-cylinder electrical controlled diesel engine with dual-shaft balancing device |
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| Publication Number | Publication Date |
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| CN201526369U true CN201526369U (en) | 2010-07-14 |
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| CN2009202580345U Expired - Fee Related CN201526369U (en) | 2009-11-11 | 2009-11-11 | Low-discharge four-cylinder electrical controlled diesel engine with dual-shaft balancing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705123A (en) * | 2012-02-23 | 2012-10-03 | 潍柴动力股份有限公司 | Fuel injection pump for engine and engine |
| CN113047976A (en) * | 2021-04-16 | 2021-06-29 | 江苏江动柴油机制造有限公司 | Novel engine |
-
2009
- 2009-11-11 CN CN2009202580345U patent/CN201526369U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705123A (en) * | 2012-02-23 | 2012-10-03 | 潍柴动力股份有限公司 | Fuel injection pump for engine and engine |
| CN113047976A (en) * | 2021-04-16 | 2021-06-29 | 江苏江动柴油机制造有限公司 | Novel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YTO (LUOYANG) DIESEL ENGINE CO., LTD. Assignor: China Yituo Group Co., Ltd. Contract record no.: 2010410000099 Denomination of utility model: Low-discharge four-cylinder electrical controlled diesel engine with dual-shaft balancing device Granted publication date: 20100714 License type: Exclusive License Record date: 20100903 |
|
| ASS | Succession or assignment of patent right |
Owner name: FIRST TRACTOR CO., LTD. Free format text: FORMER OWNER: CHINA YITUO GROUP CO., LTD. Effective date: 20110727 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 471039 NO. 39, XIYUAN ROAD, JIANXI DISTRICT, LUOYANG CITY, HE'NAN PROVINCE TO: 471004 NO. 154, JIANSHE ROAD, JIANXI DISTRICT, LUOYANG CITY, HE'NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110727 Address after: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee after: First Tractor Co., Ltd. Address before: 471039 No. 39, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: China Yituo Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20171111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |