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CN108331663B - High-power V-shaped multi-cylinder diesel engine system - Google Patents

High-power V-shaped multi-cylinder diesel engine system Download PDF

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Publication number
CN108331663B
CN108331663B CN201810122083.XA CN201810122083A CN108331663B CN 108331663 B CN108331663 B CN 108331663B CN 201810122083 A CN201810122083 A CN 201810122083A CN 108331663 B CN108331663 B CN 108331663B
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CN
China
Prior art keywords
cylinder
oil
temperature water
power
diesel engine
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Application number
CN201810122083.XA
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Chinese (zh)
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CN108331663A (en
Inventor
黄第云
黄永仲
沈捷
覃文
李伟
陈悦
谢夏琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Marine and Genset Power Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
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Priority to CN201810122083.XA priority Critical patent/CN108331663B/en
Priority to PCT/CN2018/083194 priority patent/WO2019153498A1/en
Publication of CN108331663A publication Critical patent/CN108331663A/en
Application granted granted Critical
Publication of CN108331663B publication Critical patent/CN108331663B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/04—Arrangements of liquid pipes or hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/001—Engines characterised by provision of pumps driven at least for part of the time by exhaust using exhaust drives arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/004—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust drives arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/007—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in parallel, e.g. at least one pump supplying alternatively
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/007—Adaptations for cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F01P2003/028—Cooling cylinders and cylinder heads in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P2005/105—Using two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/04—Lubricant cooler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0002—Cylinder arrangements
    • F02F7/0012—Crankcases of V-engines
    • 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
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The invention discloses a kind of high-power V-shaped multi-cylinder diesel engine systems, including V-cylinder block and multiple monomer cylinder head；Gas handling system comprising four turbocharger and an intercooler；Lubricating system comprising oil cooler；And cooling system, it includes high temperature water-flow circuit and low temperature water-flow circuit, low temperature water-flow circuit is used to cooling machine oil cooler and intercooler, and high temperature water-flow circuit includes front-seat radiator and high-temperature water pump, and high temperature water-flow circuit is used to cool down V-cylinder block and multiple monomer cylinder head.The body is compact, power is high, torque is big.

Description

High-power V-shaped multi-cylinder diesel engine system
Technical field
The present invention relates to engine art, in particular to a kind of high-power V-shaped multi-cylinder diesel engine system.
Background technique
Large-power High-Speed diesel engine is generally used for generator station, petrochemical industry, high speed light crafts and naval vessels etc..Substantially For four-stroke machine, since Large-power High-Speed diesel engine requires have very high single-machine capacity, intense loading degree requires more general Diesel engine is high, and for external advanced high-speed diesel engine, mean effective pressure is up to 3MPa, and highest detonation pressure is up to 20MPa.The characteristics of high power, large torque are required due to Large-power High-Speed diesel engine, to several important critical systems It is required that it is relatively high, such as cylinder assembly system, dynamical system, diesel systems, cooling system, lubricating system etc..
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of high-power V-shaped multi-cylinder diesel engine systems, and body is compact, power is high, torque Greatly.
To achieve the above object, the present invention provides a kind of high-power V-shaped multi-cylinder diesel engine systems, comprising: V-type cylinder Body is disposed with two column cylinder-bores of multiple V-shaped arrangements on the V-cylinder block, and the angle between the two column cylinder-bore is 90 degree； Multiple monomer cylinder head respectively correspond the cylinder oral area position for being mounted on two column cylinder-bores；Gas handling system comprising four turbines increase Depressor and an intercooler, intercooler are fixed on the rear end top position of V-cylinder block, and every two turbocharger is arranged to one Group, two groups of turbocharger are arranged in the rear end upper position of two list body cylinder head along the orientation of two column cylinder-bores respectively It sets, the turbine of every group of turbocharger is oppositely arranged and two whirlpool final vacuum manifold combinate forms are at an exhaust vent, and every group Lateral air cleaner is connected on the compressor of turbocharger, the compressor of each turbocharger passes through tracheae respectively It is connected with intercooler, the two sides of the bottom of intercooler are respectively equipped with air outlet slit, are connected separately with air inlet on two air outlet slits Pipe, air inlet pipe is formed by connecting by five section single tubes, integrally formed with air inlet tube on every section single tube；Lubricating system comprising oil Bottom case, two pre- oil feed pumps, two lubricating oil pump, oil filter and oil cooler, oil sump are located at the bottom of V-cylinder block Portion, two pre- oil feed pumps are located at the front side of oil sump, and two lubricating oil pump are located at the lower section of the front end crank pulley of V-cylinder block Two side positions, oil cooler are located at the upper left side position of the front end of V-cylinder block, and oil filter is located at V-cylinder block The upper right side position of front end, it is cooling that machine oil in oil sump by two pre- oil feed pumps and two lubricating oil pump inputs machine oil simultaneously Device, oil cooler and oil filter are connected by oil pipe, the oil outlet of oil filter and the main oil conduit of V-cylinder block Connection；And cooling system comprising high temperature water-flow circuit and low temperature water-flow circuit, low temperature water-flow circuit include heel row Radiator and low temperature water pump, low temperature water-flow circuit are used to cooling machine oil cooler and intercooler, and high temperature water-flow circuit includes Front-seat radiator and high-temperature water pump, high temperature water-flow circuit are used to cool down V-cylinder block and multiple monomer cylinder head.
Preferably, the piston with the combustion chamber W is provided in two column cylinder-bores of V-cylinder block, internal piston has interior The circumferential wall of oil cooling passage, piston is equipped with four annular grooves.
Preferably, the top two sides of the front end crank pulley of V-cylinder block are arranged in high-temperature water pump and low temperature water pump, bent Shaft pulley respectively drives low temperature water pump and high-temperature water pump, flows through the coolant liquid of V-cylinder block and multiple monomer cylinder head through going out Supply mains enters front-seat radiator, and thermostat is connected between outfall sewer and front-seat radiator, and thermostat setting is cold in machine oil But on the V-cylinder block on rear side of device.
Preferably, intercooler is rectangle shell, and the inside of rectangle shell has air circulation cavity, air stream cavity Cooling liquid flowing channel is equipped in rectangle shell around body, low temperature water-flow circuit and the intracorporal cooling liquid flowing channel of rectangle shell connect It is logical.
Preferably, oil filter includes pedestal and multiple filter cylinders for being arranged on the pedestal, and multiple filter cylinders are horizontally disposed.
Preferably, the stroke Yu cylinder diameter ratio of high-power V-shaped multi-cylinder diesel engine system are 1.05-1.23.
Preferably, the adjacent cylinder center of high-power V-shaped multi-cylinder diesel engine system away from cylinder diameter ratio be 1.25-1.4.
Preferably, high-power V-shaped multi-cylinder diesel engine system cylinder number is 12,16 or 20.
Compared with prior art, the invention has the following beneficial effects: pass through setting V-cylinder block, multiple monomer cylinders Lid, four boosters and an intercooler, compressed air further increase its density through supercooling, are conducive to improve and start The power of machine improves performance, and cooling system is cooled separately using high-low-temperature, such high temperature and low-temperature components classification cooling, can Intake air temperature and oil temperature are reduced, while reducing heat-energy losses, engine is more fuel-efficient, meets Large-power High-Speed diesel engine Gao Gong The requirement of rate, large torque, body is more compact, and intensity is big.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the V-cylinder block of high-power V-shaped multi-cylinder diesel engine system according to the present invention；
Fig. 2 is that monomer cylinder head is arranged on the V-cylinder block of high-power V-shaped multi-cylinder diesel engine system according to the present invention Structural schematic diagram；
Fig. 3 is the main view of high-power V-shaped 20 cylinder diesel system according to the present invention；
Fig. 4 is the right view of high-power V-shaped 20 cylinder diesel system according to the present invention；
Fig. 5 is the left view of high-power V-shaped 20 cylinder diesel system according to the present invention；
Fig. 6 is the top view of high-power V-shaped 20 cylinder diesel system according to the present invention；
Fig. 7 is the schematic diagram of the cooling system of high-power V-shaped multi-cylinder diesel engine system according to the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figure 1 to Figure 2, a kind of high-power V-shaped multi-cylinder diesel engine system of specific embodiment according to the present invention, packet V-cylinder block 100 and multiple monomer cylinder head 200 are included, is wherein disposed with the two of multiple V-shaped arrangements on the V-cylinder block 100 Column cylinder-bore, the angle between two column cylinder-bores of the V-cylinder block 100 is 90 degree, and multiple monomer cylinder head 200 respectively correspond It is mounted on the cylinder oral area position of two column cylinder-bores on V-cylinder block 100.
The cylinder number of high-power V-shaped multi-cylinder diesel engine system provided in this embodiment can be 12,16 or 20, the present embodiment with It is illustrated for 20 cylinders.
As shown in Fig. 3 to 6, which includes V-cylinder block 100 and 20 monomer cylinder Lid 200, is wherein disposed with the two column cylinder-bores of 20 V-shaped arrangements on the V-cylinder block 100, and the two of the V-cylinder block 100 Angle between column cylinder-bore is 90 degree, and 20 monomer cylinder head 200, which respectively correspond, is mounted on two column gas on V-cylinder block 100 The cylinder oral area position of cylinder holes.It further include gas handling system, gas handling system includes four turbocharger and an intercooler 1, every two Turbocharger is arranged to one group, and two groups of turbocharger are arranged in two list body gas along the orientation of two column cylinder-bores respectively The rear end top position (referring to Fig. 6, two turbocharger that the orientation along two column cylinder-bores is arranged are at one group) of cylinder cap, The turbine 21 of every group of turbocharger is oppositely arranged and two whirlpool final vacuum manifold combinate forms are at an exhaust vent 23, and every group Lateral air cleaner 22 is connected on the compressor of turbocharger, the compressor of each turbocharger passes through gas respectively Pipe 24 is connected with intercooler 1, and the two sides of the bottom of intercooler 1 are respectively equipped with air outlet slit 11 (referring to fig. 4), two air outlet slits Air inlet pipe 6 is connected separately on 11, air inlet pipe 6 is formed by connecting by five section single tubes, integrally formed with air inlet connecting on every section single tube Pipe.Lubricating system includes 9, two lubricating oil pump 8 of oil sump 5, two pre- oil feed pumps, oil filter 10 and oil cooler 4, oil Bottom case 5 is located at the bottom of V-cylinder block 100, and two pre- oil feed pumps 9 are located at the front side of oil sump 5, and two lubricating oil pump 8 are located at V-arrangement Two side position of lower section of the front end crank pulley of cylinder block 100, oil cooler 4 are located at a left side for the front end of V-cylinder block 100 Top position, oil filter 10 are located at the upper right side position of the front end of V-cylinder block 100, and the machine oil in oil sump 5 leads to simultaneously It crosses two pre- oil feed pumps 9 and two lubricating oil pump 8 inputs oil cooler 4, oil cooler 4 and oil filter 10 pass through oil pipe Connection, the oil outlet of oil filter 10 are connected to the main oil conduit of V-cylinder block 100.Cooling system includes high-temperature water circulation Circuit and low temperature water-flow circuit, low temperature water-flow circuit include heel row radiator and low temperature water pump 6, and low temperature water-flow circuit is used Come cooling machine oil cooler 4 and intercooler 1, high temperature water-flow circuit includes front-seat radiator and high-temperature water pump 7, high-temperature water circulation Circuit is used to cool down V-cylinder block 100 and 20 monomer cylinder head 200.
In above scheme, the design that every cylinder one covers, Intensity of Cylinder Head height.Cooling system includes high temperature water-flow circuit and low temperature Water-flow circuit, low temperature water-flow circuit include heel row radiator and low temperature water pump, and low temperature water-flow circuit is used to cooling machine oil Cooler, high temperature water-flow circuit include front-seat radiator and high-temperature water pump, and high temperature water-flow circuit is used to cool down V-cylinder block 100 and 20 monomer cylinder head 200, this to be cooled separately using high-low-temperature, water at low temperature cooling intercooler and oil cooler, The cooling cylinder block of high-temperature water and cylinder head, can reduce intake air temperature and oil temperature, while reducing heat-energy losses, engine more saves Oil.Using existing exhaust turbine pressuring technology, a kind of increasing is formed by four independent boosters of setting and an intercooler ICS intercooler system is pressed, when engine operation, the exhaust gas from the exhaust pipe of engine enters turbine, and the thermal energy in exhaust gas pressure makes turbine Rotation, and make to rotate with the coaxial compressor of turbine.Compressor draws air into and compresses, and then enters engine by pipeline Air inlet pipe, the exhaust gas for having cooled down and having expanded for leaving turbine are concentrated the exhaust vent for guiding booster middle position by turbine case 23 enter atmosphere.Air inlet after compression, improves the atmospheric density for being filled with cylinder, oil supply system it is good fit under, make more More fuel are able to full combustion, improve power, and improve economy.
As a kind of preferred embodiment, it is provided with the piston with the combustion chamber W in two column cylinder-bores of V-cylinder block 100, Internal piston has interior oil cooling passage, and the circumferential wall of piston is equipped with four annular grooves.In the present solution, using W Combustor Technologies, air inlet Amount is big, is uniformly mixed, and burns more abundant, fuel-efficient power range area is wide.Piston uses interior oil cooling passage structure, cools down, Four groove structures, sealing effect are more preferable.
As a kind of preferred embodiment, as shown in figure 5, V-cylinder block 100 is arranged in high-temperature water pump 7 and low temperature water pump 6 The top two sides of front end crank pulley, crank pulley respectively drive low temperature water pump 6 and high-temperature water pump 7, flow through V-cylinder block The coolant liquid of 100 and 20 monomer cylinder head 200 enters front-seat radiator through outfall sewer, outfall sewer and front-seat radiator it Between be connected with thermostat, thermostat is arranged on the V-cylinder block 100 of 4 rear side of oil cooler.
As a kind of preferred embodiment, intercooler 1 is rectangle shell, and the inside of rectangle shell has air stream cavity Body, is equipped with cooling liquid flowing channel in the rectangle shell around air circulation cavity, in low temperature water-flow circuit and rectangle shell Cooling liquid flowing channel connection.In the present solution, low temperature water dispenser can be set in low temperature water-flow circuit, low temperature water dispenser can To be fixed on position of the front end of V-cylinder block above crank pulley, the purpose of setting low temperature water dispenser is exactly, low Warm water circulation circuit can simultaneously cooling machine oil cooler 4 and intercooler 1.
As a kind of preferred embodiment, oil filter 10 includes pedestal and the multiple filter cylinders being arranged on the pedestal, more A filter cylinder is horizontally disposed, is preferably provided 8 filter cylinders.
As shown in fig. 7, the present embodiment proposition is cooled separately using high-low-temperature, water at low temperature cooling intercooler and machine oil are cold But device, the cooling cylinder block of high-temperature water and cylinder head, which, which belongs to, forces closed cycle water cooling system, and coolant liquid should adopt With antifreeze, rust coolant liquid.It is cooled separately using high and low temperature water, water at low temperature cooling intercooler and oil cooler, high-temperature water cooling But cylinder block and cylinder head, for the control of high-temperature water leaving water temperature at 75~95 DEG C, oil temperature control is convenient at 80~110 DEG C. In the system, water pump and fan, radiator, oil cooler are the main components of cooling system.When engine is run, by crankshaft Timing gears respectively drive high/low temperature water pump by left and right idle gear, drive water pump vane rotation, coolant liquid is in water pump centrifugal force Effect is lower to generate certain pressure, flows out from pump outlet.The coolant liquid that high-temperature water pump extrudes enters cylinder block, cylinder head Cooling jacket, coolant liquid, to outfall sewer, flow into radiator after cooling cylinder block, cylinder head after thermostat.Thermostat dress In water outlet tube end, thermostat A.T.C function, when coolant temperature is greater than 75 DEG C, thermostat is opened, and works as cooling When liquid temperature is greater than 85 DEG C, thermostat standard-sized sheet, coolant liquid fully enters radiator at this time, then flows back into water pump.If coolant liquid temperature Degree is flowed directly to water pump and walks cooling cycle again less than 75 DEG C without cooling through radiator heat-dissipation.During low temperature water pump then cools down Cooler and oil cooler are then return to radiator and radiate.This high temperature and low-temperature components classification cooling, can reduce air inlet Temperature and oil temperature, while heat-energy losses are reduced, engine is more fuel-efficient.
As a kind of preferred embodiment, the stroke and cylinder diameter ratio of high-power V-shaped multi-cylinder diesel engine system are 1.05- 1.23.In the present solution, selecting lesser stroke and cylinder diameter ratio, height, width and the weight of diesel engine, diesel engine can reduce Revolving speed can increase, improve the power of diesel engine.
As a kind of preferred embodiment, the adjacent cylinder center of high-power V-shaped multi-cylinder diesel engine system away from cylinder diameter ratio For 1.25-1.4.In the present solution, bore spacing and cylinder diameter ratio 1.25-1.4, the length of diesel engine is more compact, diesel engine it is strong Change degree is higher, and the rigidity of crankshaft and body is stronger.Since crankshaft length shortens, torsion stiffness enhancing improves shafting self-vibration Circular frequency, torsional oscillation performance are improved.
To sum up, the high-power V-shaped multi-cylinder diesel engine system of the present embodiment, by the way that V-cylinder block 100, multiple monomers is arranged Cylinder head 200, mating four boosters of gas handling system and an intercooler, compressed air keep its density further through supercooling Improve, be conducive to improve the power of engine, improve performance, cooling system is cooled separately using high-low-temperature, such high temperature and Low-temperature components classification cooling, can reduce intake air temperature and oil temperature, while reducing heat-energy losses, and engine is more fuel-efficient, meets The requirement of Large-power High-Speed diesel engine high power, large torque, body is more compact, and intensity is big.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (8)

1. a kind of high-power V-shaped multi-cylinder diesel engine system characterized by comprising
V-cylinder block, is disposed with two column cylinder-bores of multiple V-shaped arrangements on the V-cylinder block, between the two column cylinder-bore Angle is 90 degree；
Multiple monomer cylinder head respectively correspond the cylinder oral area position for being mounted on the two column cylinder-bore；
Gas handling system comprising four turbocharger and an intercooler, the intercooler are fixed on the V-cylinder block Rear end top position, every two turbocharger are arranged to one group, and two groups of turbocharger are respectively along the two column cylinder-bore Orientation is arranged in the rear end top position of two list body cylinder head, and the turbine of every group of turbocharger is oppositely arranged and two A whirlpool final vacuum manifold combinate form is connected with lateral air filter on the compressor of every group of turbocharger at an exhaust vent Clear device, the compressor of each turbocharger pass through tracheae respectively and connect with the intercooler, the two sides of the bottom of the intercooler It is respectively equipped with air outlet slit, air inlet pipe is connected separately on two air outlet slits, the air inlet pipe is connected by five section single tubes It forms, integrally formed with air inlet tube on every section single tube；
Lubricating system comprising oil sump, two pre- oil feed pumps, two lubricating oil pump, oil filter and oil cooler, it is described Oil sump is located at the bottom of the V-cylinder block, and described two pre- oil feed pumps are located at the front side of the oil sump, described two machines Oil pump is located at two side position of lower section of the front end crank pulley of the V-cylinder block, and the oil cooler is located at the V-arrangement The upper left side position of the front end of cylinder block, the oil filter are located at the upper right side position of the front end of the V-cylinder block, institute It states the machine oil in oil sump to pass through described two pre- oil feed pumps and described two lubricating oil pump while inputting the oil cooler, institute It states oil cooler and is connected with the oil filter by oil pipe, the oil outlet of the oil filter and the V-type cylinder The main oil conduit of body is connected to；And
Cooling system comprising high temperature water-flow circuit and low temperature water-flow circuit, the low temperature water-flow circuit includes heel row Radiator and low temperature water pump, the low temperature water-flow circuit are used to cool down the oil cooler and the intercooler, the height Warm water circulation circuit includes front-seat radiator and high-temperature water pump, and the high temperature water-flow circuit is used to cool down the V-cylinder block With the multiple monomer cylinder head.
2. high-power V-shaped multi-cylinder diesel engine system according to claim 1, which is characterized in that the two of the V-cylinder block It is provided with the piston with the combustion chamber W in column cylinder-bore, the internal piston has an interior oil cooling passage, in the circumferential wall of the piston Equipped with four annular grooves.
3. high-power V-shaped multi-cylinder diesel engine system according to claim 1, which is characterized in that the high-temperature water pump and institute The top two sides that the front end crank pulley of the V-cylinder block is arranged in low temperature water pump are stated, the crank pulley drives respectively The low temperature water pump and the high-temperature water pump are moved, the coolant liquid warp of the V-cylinder block and the multiple monomer cylinder head is flowed through Outfall sewer enters the front-seat radiator, is connected with thermostat between the outfall sewer and the front-seat radiator, described Thermostat is arranged on the V-cylinder block on rear side of the oil cooler.
4. high-power V-shaped multi-cylinder diesel engine system according to claim 1, which is characterized in that the intercooler is in rectangular Shape shell, the inside of the rectangle shell have air circulation cavity, the rectangle shell around the air circulation cavity Interior to be equipped with cooling liquid flowing channel, the low temperature water-flow circuit is connected to the intracorporal cooling liquid flowing channel of rectangle shell.
5. high-power V-shaped multi-cylinder diesel engine system according to claim 1, which is characterized in that the oil filter packet The multiple filter cylinders for including pedestal and being arranged on the pedestal, the multiple filter cylinder are horizontally disposed.
6. high-power V-shaped multi-cylinder diesel engine system according to claim 1, which is characterized in that the high-power V-shaped multi-cylinder The stroke and cylinder diameter ratio of diesel engine system are 1.05-1.23.
7. high-power V-shaped multi-cylinder diesel engine system according to claim 1, which is characterized in that the high-power V-shaped multi-cylinder The adjacent cylinder center of diesel engine system away from cylinder diameter ratio be 1.25-1.4.
8. high-power V-shaped multi-cylinder diesel engine system according to claim 1, which is characterized in that the high-power V-shaped multi-cylinder Diesel engine system cylinder number is 12,16 or 20.
CN201810122083.XA 2018-02-07 2018-02-07 High-power V-shaped multi-cylinder diesel engine system Active CN108331663B (en)

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