CN209621489U - A kind of V-type high-powered medium-speed diesel engines - Google Patents
A kind of V-type high-powered medium-speed diesel engines Download PDFInfo
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- CN209621489U CN209621489U CN201821940031.5U CN201821940031U CN209621489U CN 209621489 U CN209621489 U CN 209621489U CN 201821940031 U CN201821940031 U CN 201821940031U CN 209621489 U CN209621489 U CN 209621489U
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- 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
Abstract
The utility model discloses a kind of V-type high-powered medium-speed diesel engines, including cylinder assembly, oil spout component, air actuation component, intake and exhaust component, lubrication assembly and cooling component.Cylinder block is cylinder in V-arrangement body, and the angle between two column cylinders of cylinder in V-arrangement body is 50 °, and the aperture of the cylinder-bore of cylinder block is 390mm, cylinder stroke 550mm, and for the center between cylinder-bore away from being 840mm, single cylinder rated power is 850kW.V-type housing structure makes housing construction more compact, and the setting of the split type cylinder cap and segmented air inlet pipe replacement easy to repair with components, seperated or segmented storage pressure rail makes charge oil pressure more stable；Make a lot of dynamic model formulas of diesel engine more selective and handling using distributor and two sets of starting systems；Two-stage air cooler ensure that intake air temperature, and the heat-insulated setting of exhaust main ensures safety；Lubrication assembly and cooling component all add the lubricating oil pump or water pump of electric drive, to enhance lubrication and cooling controllability.
Description
Technical field
The utility model relates to engine art more particularly to a kind of V-type high-powered medium-speed diesel engines.
Background technique
High-powered medium-speed diesel engines are generally used for large-scale land power station, marine generator group, nuclear power emergency unit, marine worker
Platform, 1~50,000 tons of coastal waters and inland navigation craft, heavy construction ship, viking line, Large LNG ship etc..Essentially four-stroke machine, by
Require have higher single-machine capacity in high-powered medium-speed diesel engines, therefore, the requirement of intense loading degree is higher than general diesel engine, for state
Outer advanced medium seed diesel engine, mean effective pressure are up to 3MPa, and highest detonation pressure is up to 20MPa.Due to high-power middling speed bavin
Oil machine has the characteristics that high power, large torque, and the requirement to several important critical systems is relatively high, for example cylinder block is total
At, fuel system, starting air system, import/exhaust system, oil system, cooling system etc..However existing high-power middling speed bavin
Oil machine is difficult to meet the relatively not high problem of isometric lower power, and since diesel-engine body is big, the component tradition of integral type
Component pattern is not easy to maintenance replacement etc..
The information for being disclosed in the background technology part, which only refers to, is increasing the reason to the general background technology of the utility model
Solution, and be not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art
The prior art.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high-power medium speed diesels of V type
Machine.
The purpose of this utility model is implemented with the following technical solutions:
A kind of V-type high-powered medium-speed diesel engines, including cylinder assembly, oil spout component, air actuation component, intake and exhaust group
Part, lubrication assembly and cooling component.The cylinder assembly includes cylinder block, water jacket, cylinder head, piston crank link assembly and song
Axis, the water are set in the cylinder-bore of cylinder block, and cylinder head is arranged in cylinder block, and the cylinder block is cylinder in V-arrangement body,
Angle between two column cylinders of cylinder in V-arrangement body is 50 °, and the aperture of the cylinder-bore of cylinder block is 390mm, and cylinder stroke is
550mm, center between cylinder-bore are 850kW away from the single cylinder rated power for 840mm, diesel engine；
The oil spout component includes machine band fuel pump, injection pump, high-pressure oil pipe, fuel injector and distribution block, the distribution block
The high-pressure oil pipe that machine is distributed according to need with the high pressure fuel of fuel pump to two column cylinder sides；
The air actuation component includes the compressor and high pressure gas holder component, main starting valve, sky of assisted engine driving
Gas distributor, cylinder cap priming valve and starting air pipe, the cylinder cap priming valve are mounted on corresponding each cylinder-bore in cylinder head
Place；
The intake and exhaust component includes air cleaner, air inlet pipe, exhaust main, air cooler and turbocharger, described
Air inlet pipe is using segmentation structure and is arranged on the v-angle of diesel engine, and exhaust main is mounted at the top of cylinder cap and is being vented
Thermal insulation layer is wrapped up in the outside of general pipeline, and the turbocharger is connect with exhaust main；
The lubrication assembly includes machine band oil pump, machine band lubricant filtering device, oil sump and lubrication duct, the oil sump
Using wet sump and the bottom of cylinder in V-arrangement body is set；
The cooling component includes high-temperature cooling water system and sub-cooled water system, and the cooling component is positioned close to
The exhaust end side of diesel engine.
Preferably, the quantity of the cylinder-bore is 12, and the cylinder-bore is evenly arranged on the high-power middling speed of the V-type in two separate ranks
In the cylinder block of diesel engine, the quantity of the water jacket is arranged 12, and the cylinder head uses split type cylinder head, described split type
The quantity of cylinder head is set as 12,6,4 or 2.
Preferably, the machine band fuel pump is set as two, and divides high pressure fuel on demand each by the distribution block
The high-pressure oil pipe of two column cylinder side of dispensing；Oil spout component further includes the Split high pressure combustion being arranged between injection pump and fuel injector
Oil storage pressure rail.
Preferably, two air actuation distributors, two air actuation distributors are arranged in the air actuation component
Two column cylinder-bores of corresponding cylinder in V-arrangement body.
Preferably, two column cylinder-bores of corresponding cylinder in V-arrangement body use two sets of air actuation components will control the starting time
Within 10S.
Preferably, the air inlet pipe uses 6 sections of segmentation structures；Air cooler is two-stage air cooler；The turbocharger
Suction side silencer is installed, the bearing of the turbocharger is lubricated by diesel engine oil system；The noise elimination
Device uses impedance composite muffler；The exhaust main uses Double-wall hollow pipe, and outer wall is the stainless steel wall of anti-corrosion property energy, In
Hollow layer fills perlite insulation medium.
Preferably, the machine is located at the side of the cylinder in V-arrangement body with oil pump, and adds an electronics lubricating oil pump and institute
Machine band oil pump is stated to be set side by side；The machine is located at the middle part on cylinder in V-arrangement body with lubricant filtering device.
Preferably, the cooling component includes high-temperature cooling water system and sub-cooled water system, the high-temperature cooling water
System is used to cool down cylinder block, cylinder head and the high temperature section for being vented intercooler, and sub-cooled water system is for cold in cooling lubricating oil
The low-temperature zone of device and exhaust intercooler, the high-temperature cooling water system and sub-cooled water system share cooling water source or adopt respectively
With a cooling water source；The high-temperature cooling water system includes high-temperature water pump, high-temperature conduit and high temperature part water flow passage to be cooled, and
A high-temperature electric expelling water pump is added in the high-temperature cooling water system, the high-temperature electric expelling water pump is connected with the high-temperature water pump
Setting；The sub-cooled water system includes low temperature water pump, low temperature water pipe and low temperature part water flow passage to be cooled, and in the low temperature
A low temperature electric expelling water pump is added in cooling water system, the low temperature electric expelling water pump is arranged in series with the low temperature water pump.
Preferably, the quantity of the cylinder-bore is 14,16,18 or 20.
Preferably, the V-type high-powered medium-speed diesel engines are answered for marine generator group, propelling motor peculiar to vessel, nuclear power
Anxious generating set or nuclear-powered ship generating set.
Compared with prior art, the utility model has the beneficial effects that: V-type housing structure makes housing construction more compact,
The setting of the split type cylinder cap and segmented air inlet pipe replacement easy to repair with components, seperated or segmented storage pressure rail make
It is more stable to obtain charge oil pressure；Make a lot of dynamic model formulas of diesel engine more selective using distributor and two sets of starting systems and grasps
Control property；Two-stage air cooler ensure that intake air temperature, and the heat-insulated setting of exhaust main ensures safety；Lubrication assembly and cooling group
Part all adds the lubricating oil pump or water pump of electric drive, to enhance lubrication and cooling controllability.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram at a visual angle of V-type high-powered medium-speed diesel engines of the utility model；
Fig. 2 is a kind of structural schematic diagram at another visual angle of V-type high-powered medium-speed diesel engines；
Fig. 3 is the structural schematic diagram of oil spout component；
Fig. 4 is the structural schematic diagram of starting air system；
Fig. 5 is the structural schematic diagram of intake and exhaust component；
Fig. 6 is the schematic diagram of lubrication assembly；
Fig. 7 is the partial structure diagram of cooling component.
In figure: 100, water jacket；200, cylinder block；300, cylinder head；
10, machine band fuel pump；11, injection pump；12, high-pressure oil pipe；13, fuel injector；14, block is distributed；
20, starting air distributor；21, main starting valve；22, cylinder cap priming valve；23, starting air pipe；
30, air inlet pipe；31, air cooler；32, exhaust main；33, turbocharger；
40, machine band oil pump；41, machine band lubricant filtering device；42, oil sump；
51, low temperature water pump；52, high-temperature water pump.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Referring to Fig. 1-Fig. 7, a kind of V-type high-powered medium-speed diesel engines, including cylinder assembly, oil spout component, air actuation group
Part, intake and exhaust component, lubrication assembly and cooling component.
Referring to Fig. 1 and Fig. 2, cylinder assembly includes cylinder block 200, water jacket 100 and cylinder head 300.
Wherein, water jacket 100 is arranged in the cylinder-bore of cylinder block 200, and cylinder head 300 is arranged in cylinder block 200.
Further, cylinder block 200 is cylinder in V-arrangement body, design parameter are as follows: between two column cylinders of cylinder in V-arrangement body
Angle is 50 °, and the aperture of the cylinder-bore of cylinder block 200 is 390mm, cylinder stroke 550mm, the center between cylinder-bore away from for
840mm。
The single cylinder rated power that the cylinder block is set is 850kW.
The quantity of cylinder-bore is 12, is also designed to 14,16,18 or 20 according to the design needs.
In the case of the quantity of cylinder-bore is 12, cylinder-bore setting uniformly distributed in two separate ranks is in the V-type is high-power
In the cylinder block 200 of fast diesel engine, the quantity of water jacket 100 is set as 12 accordingly.
The cylinder block of above-mentioned V-structure saves diesel engine in the case where same power so that overall structure is more compact
The space occupied.
For the ease of subsequent maintenance and part replacement, cylinder head 300 uses split type cylinder head.Such as each cylinder-bore
It is correspondingly arranged a cylinder head, 12 cylinder head are set in total；It can also a two one group shared cylinder head, i.e. 6 gas of setting
Cylinder cap, similarly also settable 4 or 2 cylinder head.
Referring to Fig. 3, oil spout component includes machine band fuel pump 10, injection pump 11, high-pressure oil pipe 12, fuel injector 13 and distribution
Block 14, the high-pressure oil pipe 12 that the distribution block 14 distributes according to need machine to two column cylinder sides with the high pressure fuel of fuel pump 10.
Alternatively, machine band fuel pump 10 is set as two, and each by the distribution block 14 by high pressure fuel
The high-pressure oil pipe 12 distributed according to need to two column cylinder sides.
In order to improve the stability of injection pressure, the oil spout component further includes high pressure fuel storage pressure rail (not shown), institute
High pressure fuel storage pressure rail is stated to be arranged between injection pump 11 and fuel injector 13.
To the cylinder block of 12 cylinder-bores, high pressure fuel storage pressure rail may be configured as 2,4,6 or 12,12 feelings
The corresponding high pressure fuel storage pressure rail of condition, that is, each fuel injector；6 situations i.e. two fuel injector shares a high pressure fuel storage
Rail is pressed, an injection pump can be saved at this time；It is similar, 2,4 situations analogize.
Referring to fig. 4, starting air system include assisted engine driving compressor and high pressure gas holder component (not shown),
Main starting valve 21, air distributor 20, cylinder cap priming valve 22 and starting air pipe 23, the cylinder cap priming valve 22 are mounted on cylinder
It covers at corresponding each cylinder-bore.
Further, two starting air system distributors 20, two starting airs point are arranged in starting air system
Two column cylinder-bores of the corresponding cylinder in V-arrangement body of orchestration 20.
Alternatively, two column cylinder-bores of corresponding cylinder in V-arrangement body use two sets of starting air systems will control the starting time
System is within 10S.The setting of the mode makes it possible the startings respectively of two rows of each cylinders, improves handling.
When piston runs to the dead point of expansion stroke, starting air is by air distributor and is mounted in cylinder head
Cylinder cap priming valve starts starting air indentation cylinder, and the starting time controlled within 10 seconds.
Referring to Fig. 5, intake and exhaust component includes air cleaner (not shown), air inlet pipe 30, exhaust main 32, air cooler 31
With turbocharger 33.
Wherein, air inlet pipe 30 using segmentation structure and is arranged on the v-angle of diesel engine, and easy access is replaced and saved
Space is saved.Preferably, air inlet pipe 30 uses 6 sections of segmentation structures.The cylinder of each section of corresponding two sides.
Exhaust main 32 is mounted at the top of cylinder cap and wraps up thermal insulation layer in the outside of exhaust main 32.
In order to guarantee the safety of operating environment, especially confined space is limited in cabin, and exhaust main 32 is using in double-walled
Blank pipe, outer wall are the stainless steel wall of anti-corrosion property energy, fill perlite insulation medium in hollow layer.
Turbocharger 33 is connect with exhaust main 32, and two-stage pressurization mould in parallel or series can be used in turbocharger 33
Formula.
The bearing of turbocharger 33 is lubricated by diesel engine oil system.In view of the high revolving speed of turbocharger
Characteristic, it is preferred to use air-flotation type has oil film type bearing.
The suction side of turbocharger 33 is equipped with silencer, and the silencer uses impedance composite muffler.
Air cooler 31 is two-stage air cooler to ensure intake air temperature.Settable multistage is air-cooled according to the design needs.
Referring to Fig. 6, lubrication assembly includes machine band oil pump 40, machine band lubricant filtering device 41, oil sump 42 and lubrication duct.
Wherein oil sump 42 uses wet sump, and dry and wet oil sump can also be used as needed.And it is disposed at V-type
The bottom of cylinder block.
Machine is located at the side of the cylinder in V-arrangement body with oil pump 40, and it is sliding with the machine band to add an electronics lubricating oil pump
Oil pump 40 is set side by side.The setting of electronics lubricating oil pump has ensured the reliability service of lubricating system and has improved the controllability of system.
Referring to Fig. 6, machine is located at the middle part on cylinder in V-arrangement body with lubricant filtering device 41, may also be arranged on other spaces properly and
Position easy to repair.
Referring to Fig. 7, cooling component includes high-temperature cooling water system and sub-cooled water system.Generally, cooling component is set
It sets in the exhaust end side close to diesel engine.
Wherein, high-temperature cooling water system is used to cool down cylinder block, cylinder head and the high temperature section for being vented intercooler, sub-cooled
Low-temperature zone of the water system for cooling lubricating oil intercooler and exhaust intercooler.
High-temperature cooling water system and sub-cooled water system share cooling water source, and a cooling water source can also be respectively adopted.
High-temperature cooling water system includes high-temperature water pump 52, high-temperature conduit and high temperature part water flow passage to be cooled, and in the height
A high-temperature electric expelling water pump is added in warm cooling water system, the high-temperature electric expelling water pump is arranged in series with the high-temperature water pump 52.
Sub-cooled water system includes low temperature water pump 51, low temperature water pipe and low temperature part water flow passage to be cooled, and described low
A low temperature electric expelling water pump is added in warm cooling water system, the low temperature electric expelling water pump is arranged in series with the low temperature water pump 51.
The setting of electric expelling water pump, has ensured the stable operation and controllability of water cooling system.
Above-mentioned V-type high-powered medium-speed diesel engines are used for marine generator group, propelling motor peculiar to vessel, nuclear power emergency generator
Group or nuclear-powered ship generating set.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that can be carried out according to appeal introduction
Much change side and variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (9)
1. a kind of V-type high-powered medium-speed diesel engines, including cylinder assembly, oil spout component, air actuation component, intake and exhaust component,
Lubrication assembly and cooling component, it is characterised in that: the cylinder assembly includes cylinder block, water jacket, cylinder head, piston crank connecting rod
Component and crankshaft, the water are set in the cylinder-bore of cylinder block, and cylinder head is arranged in cylinder block, and the cylinder block is V
Type cylinder block, the angle between two column cylinders of cylinder in V-arrangement body is 50 °, and the aperture of the cylinder-bore of cylinder block is 390mm, cylinder
Stroke is 550mm, and the center between cylinder-bore is 850kW away from the single cylinder rated power for 840mm, diesel engine；
The oil spout component includes machine band fuel pump, injection pump, high-pressure oil pipe, fuel injector and distribution block, and the distribution block is by machine
The high-pressure oil pipe that high pressure fuel with fuel pump is distributed according to need to two column cylinder sides；
The air actuation component includes the compressor and high pressure gas holder component, main starting valve, air point of assisted engine driving
Orchestration, cylinder cap priming valve and starting air pipe, the cylinder cap priming valve are mounted in cylinder head at corresponding each cylinder-bore；
The intake and exhaust component includes air cleaner, air inlet pipe, exhaust main, air cooler and turbocharger, the air inlet
Pipe is using segmentation structure and is arranged on the v-angle of diesel engine, and exhaust main is mounted at the top of cylinder cap and in exhaust main
Outside wrap up thermal insulation layer, the turbocharger connect with exhaust main；
The lubrication assembly includes that machine band oil pump, machine band lubricant filtering device, oil sump and lubrication duct, the oil sump use
Wet sump and the bottom that cylinder in V-arrangement body is set；
The cooling component includes high-temperature cooling water system and sub-cooled water system, and the cooling component is positioned close to diesel oil
The exhaust end side of machine.
2. V-type high-powered medium-speed diesel engines according to claim 1, it is characterised in that: the quantity of the cylinder-bore is 12
A, the cylinder-bore is evenly arranged in two separate ranks in the cylinder block of the V-type high-powered medium-speed diesel engines, the quantity setting of the water jacket
12, the cylinder head uses split type cylinder head, and the quantity of the split type cylinder head is set as 12,6,4 or 2
It is a.
3. V-type high-powered medium-speed diesel engines according to claim 1, it is characterised in that: the machine band fuel pump is set as
Two, and the high-pressure oil pipe that high pressure fuel is distributed according to need to two column cylinder sides each by the distribution block；Oil spout component is also
Including the Split high pressure fuel oil storage pressure rail being arranged between injection pump and fuel injector.
4. V-type high-powered medium-speed diesel engines according to claim 1, it is characterised in that: the air actuation component setting
Two air actuation distributors, two air actuation distributors correspond to two column cylinder-bores of cylinder in V-arrangement body.
5. V-type high-powered medium-speed diesel engines according to claim 1, it is characterised in that: two column gas of corresponding cylinder in V-arrangement body
Cylinder holes uses two sets of air actuation components will control within 10S the starting time.
6. V-type high-powered medium-speed diesel engines according to claim 1, it is characterised in that: the air inlet pipe is using 6 sections of segmentations
Formula structure；Air cooler is two-stage air cooler；The suction side of the turbocharger is equipped with silencer, the turbocharger
Bearing is lubricated by diesel engine oil system；The silencer uses impedance composite muffler；The exhaust main is adopted
With Double-wall hollow pipe, outer wall is the stainless steel wall of anti-corrosion property energy, fills perlite insulation medium in hollow layer.
7. V-type high-powered medium-speed diesel engines according to claim 1, it is characterised in that: the machine band oil pump is located at institute
The side of cylinder in V-arrangement body is stated, and adds an electronics lubricating oil pump and is set side by side with the machine band oil pump；The machine band oil filter
Device is located at the middle part on cylinder in V-arrangement body.
8. V-type high-powered medium-speed diesel engines according to claim 1, it is characterised in that: the quantity of the cylinder-bore is 14
A, 16,18 or 20.
9. V-type high-powered medium-speed diesel engines according to claim 1-8, it is characterised in that: the V-type is high-power
Medium seed diesel engine is used for marine generator group, propelling motor peculiar to vessel, nuclear power Emergency generator or nuclear power marine generator
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940031.5U CN209621489U (en) | 2018-11-23 | 2018-11-23 | A kind of V-type high-powered medium-speed diesel engines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940031.5U CN209621489U (en) | 2018-11-23 | 2018-11-23 | A kind of V-type high-powered medium-speed diesel engines |
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| Publication Number | Publication Date |
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| CN209621489U true CN209621489U (en) | 2019-11-12 |
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ID=68444171
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404158A (en) * | 2018-11-23 | 2019-03-01 | 沪东重机有限公司 | A kind of V-type high-powered medium-speed diesel engines |
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2018
- 2018-11-23 CN CN201821940031.5U patent/CN209621489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404158A (en) * | 2018-11-23 | 2019-03-01 | 沪东重机有限公司 | A kind of V-type high-powered medium-speed diesel engines |
| CN109404158B (en) * | 2018-11-23 | 2023-12-29 | 沪东重机有限公司 | V-shaped high-power medium-speed diesel engine |
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