CN115234367A - Light diesel engine system architecture - Google Patents

Light diesel engine system architecture Download PDF

Info

Publication number
CN115234367A
CN115234367A CN202211048999.8A CN202211048999A CN115234367A CN 115234367 A CN115234367 A CN 115234367A CN 202211048999 A CN202211048999 A CN 202211048999A CN 115234367 A CN115234367 A CN 115234367A
Authority
CN
China
Prior art keywords
engine
system architecture
pump
engine body
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211048999.8A
Other languages
Chinese (zh)
Inventor
董家枝
蒙小聪
覃海玉
刘显宏
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 Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN202211048999.8A priority Critical patent/CN115234367A/en
Publication of CN115234367A publication Critical patent/CN115234367A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • 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
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • 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
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4285—Shape or arrangement of intake or exhaust channels in cylinder heads of both intake and exhaust channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention discloses a light diesel engine system architecture, which comprises an engine body, wherein main accessories of the engine body are arranged at the rear end of the engine body, and only an oil pump and a water pump are arranged at the front end of the engine body. The main accessories of the engine body are arranged at the rear end and are driven by the related transmission mechanism in the rear gear chamber, the oil pump and the water pump are only arranged at the front end, and the two accessories occupy small space, so that the full-automatic engine accessory arrangement device provides full utilization space for the complete vehicle accessories, meets the space requirements of the complete vehicle accessories in different market segments, and has the advantages of reasonable and compact structure, wide adaptability, light weight and the like.

Description

Light diesel engine system architecture
Technical Field
The invention relates to the technical field of engines, in particular to a light diesel engine system architecture.
Background
The system architecture of the traditional light diesel engine generally arranges main accessories of an engine body at the front end of an engine body in a centralized manner, the front end structure is complex, the system architecture integrates the main accessories including a gear chamber, a water pump, an oil pump, an air compressor, a high-pressure oil pump, a steering pump and the like, and the difficulty in accessory arrangement is increased.
With the rapid development of modern logistics, the whole vehicle expands from a relatively single matching application field of traditional freight transportation, passenger transportation, engineering machinery and the like to various market segments of special vehicles, cold chain logistics and the like, the matching application field of the engine is correspondingly and continuously expanded, the matching segments of the whole vehicle are required to increase new accessory arrangement, and a more reasonable engine system architecture is required to meet the matching requirements.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to provide a light diesel engine system framework which is novel in structural layout, wide in adaptability and light in weight.
Therefore, the invention provides a light-duty diesel engine system architecture.
Preferably, the invention can also have the following technical features:
a light diesel engine system architecture comprises an engine body, main accessories of the engine body are arranged at the rear end of the engine body, and only an oil pump and a water pump are arranged at the front end of the engine body.
Further, an accessory disposed at the rear end of the engine body is driven by a transmission mechanism in a rear gear chamber; the engine body adopts cast iron material as the system framework, the cylinder cover, the flywheel shell and the air inlet pipe which are assembled on the engine body adopt aluminum materials, and the shells of the water pump and the air compressor which are assembled on the engine body adopt aluminum materials.
Furthermore, a water pump shell of an engine water pump is arranged at the front end of a cylinder body of the engine, and the water pump is arranged in the water pump shell; the water pump is an axial flow water pump.
Furthermore, an oil pump is arranged at the front end of the cylinder body of the engine and is driven by the small end of the crankshaft vibration damper assembly.
Furthermore, an engine gear chamber is integrated on a flange at the rear end of the cylinder body, and the gear chamber, a chain wheel chamber of the cylinder cover and a sealing flange of the flywheel shell form a gear chamber of the engine.
Further, the main accessories arranged at the rear end of the engine body include an air compressor, a steering pump, a high-pressure oil pump, a supercharger, an oil cooler, and a starter.
Furthermore, when the front end of the engine body is viewed backwards, the engine air inlet pipe is arranged on the right side of the engine and is connected with the right side of the cylinder cover, and the right side of the engine is used as an air inlet side; the exhaust pipe is disposed on the left side of the engine and connected to the left side of the cylinder head, the left side of the engine being the exhaust side.
Furthermore, the air inlet side of the engine is provided with the air inlet pipe, an air compressor, a steering pump and a high-pressure oil pump, the rear end flange of the air inlet side of the cylinder body is provided with the air compressor and the high-pressure oil pump, and the air compressor drives the steering pump; the left side of the air compressor is provided with the steering pump, and the high-pressure oil pump is arranged below the steering pump; the air compressor, the steering pump and the high-pressure oil pump are driven by a transmission mechanism in a postposition gear chamber.
Furthermore, an exhaust pipe, a supercharger, an oil cooler and a starter are arranged on the exhaust side of the engine, and the exhaust side is taken as the front side, wherein the exhaust pipe is arranged on the cylinder cover, and an exhaust port of the exhaust pipe is close to the rear end of the engine body and extends downwards; the supercharger is connected with the exhaust pipe; the starter is connected with the flywheel shell; the oil cooler is mounted between the middle of the engine block and a position 1/4 of the distance from the front end of the engine block.
Further, the oil cooler is mounted at a position 1/3 of the distance from the front end of the engine block.
Compared with the prior art, the invention has the advantages that: the main accessories of the engine body are arranged at the rear end and driven by a related transmission mechanism in a rear gear chamber, the oil pump and the water pump are only arranged at the front end, and the two accessories occupy small space, so that the full-automatic auxiliary device arrangement device provides full utilization space for the arrangement of the matched accessories of the whole vehicle, meets the space requirements of different accessories matched with different market segments of the whole vehicle, has the characteristics of reasonable and compact structure, wide adaptability, light weight, low noise and the like, is suitable for being matched with traditional vehicle types such as traditional light trucks, light passenger vehicles and engineering machinery, is also suitable for different segment vehicle types such as sanitation vehicles, watering vehicles and street lamp maintenance vehicles, and is particularly suitable for being matched with vehicle types adopting multiple accessories such as cold chain logistics vehicles with double air-conditioning compressors and double motors.
Drawings
Fig. 1 and 2 are schematic views (intake side) of the front structure of the present invention.
Fig. 3, 4 and 5 are rear view schematic diagrams (exhaust side) of the present invention.
Fig. 6 and 7 are schematic left-side views of the present invention.
Description of the reference numerals
1. A cylinder block; 2. a cylinder head; 3. an air inlet pipe; 4. a gear chamber; 5. an air compressor; 6. a steering pump; 7. a flywheel housing; 8. a high-pressure oil pump; 9. an oil pan; 10. an oil pump; 11. a crankshaft damper assembly; 12. a water pump; 13. exhaust pipe 14, supercharger 15, oil cooler 16 and starter
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Non-limiting and non-exclusive embodiments will be described with reference to the following figures, wherein like reference numerals refer to like parts, unless otherwise specified.
The light-duty diesel engine system architecture shown in fig. 1 to 7 comprises an engine body, main accessories of the engine body are arranged at the rear end of the engine body, and an oil pump 10 and a water pump 12 are arranged at the front end of the engine body. The accessories arranged at the rear end of the engine block are driven by a transmission mechanism in the rear-located gear chamber 4. The main accessories of the engine are arranged at the rear end of the engine body, the oil pump 10 and the water pump 12 arranged at the front end occupy small space, so that the full utilization space is provided for the arrangement of the accessories of the whole vehicle, the space requirements of different accessories matched with different market segments of the whole vehicle are met, and the engine oil pump has the characteristics of reasonable and compact structure, wide adaptability, light weight, low noise and the like, is suitable for matching with traditional vehicle types such as traditional light trucks, light passenger vehicles, engineering machinery and the like, is also suitable for different segment vehicle types such as sanitation vehicles, watering vehicles, street lamp maintenance vehicles and the like, and is particularly suitable for matching with vehicles adopting multiple accessories such as a double air-conditioning compressor, a double-motor cold-chain logistics vehicle and the like. Specifically, a water pump housing of the engine water pump 12 is integrated at the front end of the cylinder block, and the water pump 12 is installed in the water pump housing of the cylinder block 1 to form an axial flow water pump. The water pump is arranged at the front end of the engine body, so that the connection of the whole vehicle water tank pipeline is facilitated. Meanwhile, an oil pump 10 is also installed at the front end of the cylinder block, the oil pump 10 plays a role of sealing the front end of the cylinder block, and the oil pump 10 is driven by the small end of the crankshaft damper assembly 11. In a more preferable scheme, an engine gear chamber cavity is integrated on the flange at the rear end of the cylinder block, and the gear chamber cavity, the sprocket cavity of the cylinder cover 2 and the sealing flange of the flywheel housing 7 form a gear chamber 4 of the engine, and the engine gear chamber is shown in the figure 1. The design of the rear-mounted structure of the gear chamber 4 not only has low noise, but also releases the space at the front end of the engine body to the maximum, and meets the requirement that the continuously increased accessories of the whole vehicle are installed at the front end of the engine body.
In the above technical solution, the main accessories arranged at the rear end of the engine body include an air compressor 5, a steering pump 6, a high-pressure oil pump 8, a supercharger 14, an oil cooler 15, and a starter 16, and when viewed from the front end of the engine body, the engine intake pipe 3 is arranged at the right side of the engine and connected to the right side of the cylinder head 2, and the exhaust pipe 13 is arranged at the left side of the engine and connected to the left side of the cylinder head 2. That is, the right side of the engine is the intake side and the left side is the exhaust side.
In the further description of the above technical solution, with reference to fig. 1 and fig. 2, the air intake pipe 3, the air compressor 5, the steering pump 6 and the high-pressure oil pump 8 are arranged on the air intake side of the engine, the air compressor 5 is arranged on the upper portion of the rear end flange on the air intake side of the engine, the high-pressure oil pump 8 is arranged on the lower portion of the flange, the air compressor 5 drives the steering pump 6, and when the air intake side is taken as a front view, the steering pump 6 is arranged on the left side of the air compressor 5, and the high-pressure oil pump 8 is arranged below the air compressor 5. The air compressor 5, the steering pump 6 and the high-pressure oil pump 8 are driven by a transmission mechanism in a rear gear chamber.
In the further explanation of the above technical solution, with reference to fig. 3 to 5, an exhaust pipe 13, a supercharger 14, an oil cooler 15, and a starter 16 are arranged on the exhaust side of the engine, and the arrangement positions of the accessories are further explained with the exhaust side as the front side, wherein: an exhaust pipe 13 is attached to the cylinder head 2, and an exhaust port thereof extends downward near the rear end of the engine body. The supercharger 14 is arranged on the exhaust pipe 13, is positioned at the rear end in the whole engine framework and gives way for the front end space; the starter 16 is arranged on the flywheel shell 7, is also positioned at the rear end in the whole engine framework and gives way for the front end space; the oil cooler 15 is disposed on the exhaust side of the cylinder block 1 at a position about 1/3 of the way from the front end of the engine body, and also gives way to the front end space.
In the above, the main accessories of the engine body are arranged at the rear end and driven by the related transmission mechanism in the rear gear chamber, the oil pump and the water pump are arranged at the front end, and the two accessories occupy small space, so that the full utilization space is provided for the arrangement of the accessories of the whole vehicle, and the space requirements of the different accessories matched with different market segments of the whole vehicle are met.
Those skilled in the art will recognize that numerous variations are possible in light of the above description, and therefore the examples and figures are only intended to illustrate one or more specific embodiments.
While there has been described and illustrated what are considered to be example embodiments of the present invention, it will be understood by those skilled in the art that various changes and substitutions may be made therein without departing from the spirit of the invention. In addition, many modifications may be made to adapt a particular situation to the teachings of the present invention without departing from the central concept described herein. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments and equivalents falling within the scope of the invention.

Claims (10)

1. A light-duty diesel engine system architecture, includes the engine organism, its characterized in that: the main accessories of the engine body are arranged at the rear end of the engine body, and the oil pump and the water pump are arranged at the front end of the engine body.
2. A light-duty diesel engine system architecture as set forth in claim 1, wherein: the accessories arranged at the rear end of the engine body are driven by a transmission mechanism in a rear gear chamber; the engine body adopts cast iron material as the system framework, the cylinder cover, the flywheel shell and the air inlet pipe which are assembled on the engine body adopt aluminum materials, and the shells of the water pump and the air compressor which are assembled on the engine body adopt aluminum materials.
3. A light-duty diesel engine system architecture as set forth in claim 1 wherein: the front end of a cylinder body of the engine is provided with a water pump shell of an engine water pump, and the water pump is arranged in the water pump shell; the water pump is an axial flow water pump.
4. A light-duty diesel engine system architecture as set forth in claim 1, wherein: the front end of the cylinder body of the engine is also provided with an oil pump, and the oil pump is driven by a small crankshaft head of the crankshaft shock absorber component.
5. A light-duty diesel engine system architecture as set forth in claim 1, wherein: the rear flange of the cylinder body is integrated with a gear chamber cavity of the engine, and the gear chamber cavity, a chain wheel cavity of the cylinder cover and a sealing flange of the flywheel shell form a gear chamber of the engine.
6. A light-duty diesel engine system architecture as set forth in claim 1, wherein: the main accessories arranged at the rear end of the engine body comprise an air compressor, a steering pump, a high-pressure oil pump, a supercharger, an oil cooler and a starter.
7. A light-duty diesel engine system architecture as set forth in claim 6, wherein: the engine air inlet pipe is arranged on the right side of the engine and connected with the right side of the cylinder cover when the front end of the engine body is seen backwards, and the right side of the engine is used as an air inlet side; the exhaust pipe is disposed on the left side of the engine and connected to the left side of the cylinder head, the left side of the engine being the exhaust side.
8. A light-duty diesel engine system architecture as set forth in claim 7, wherein: the air inlet side of the engine is provided with the air inlet pipe, an air compressor, a steering pump and a high-pressure oil pump, the rear end flange of the air inlet side of the cylinder body is provided with the air compressor and the high-pressure oil pump, and the air compressor drives the steering pump; the left side of the air compressor is provided with the steering pump, and the high-pressure oil pump is arranged below the steering pump; the air compressor, the steering pump and the high-pressure oil pump are driven by a transmission mechanism in a postposition gear chamber.
9. A light-duty diesel engine system architecture as set forth in claim 7, wherein: the exhaust side of the engine is provided with an exhaust pipe, a supercharger, an engine oil cooler and a starter, and the exhaust side is taken as a front view, wherein the exhaust pipe is arranged on a cylinder cover, and an exhaust port of the exhaust pipe is close to the rear end of an engine body and extends downwards; the supercharger is connected with the exhaust pipe; the starter is connected with the flywheel shell; the oil cooler is mounted at a position between 1/4 of the distance from the front end of the engine body to the middle of the engine body.
10. A light-duty diesel engine system architecture as set forth in claim 9, wherein: the oil cooler is mounted at a position 1/3 of the distance from the front end of the engine body.
CN202211048999.8A 2022-08-30 2022-08-30 Light diesel engine system architecture Pending CN115234367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211048999.8A CN115234367A (en) 2022-08-30 2022-08-30 Light diesel engine system architecture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211048999.8A CN115234367A (en) 2022-08-30 2022-08-30 Light diesel engine system architecture

Publications (1)

Publication Number Publication Date
CN115234367A true CN115234367A (en) 2022-10-25

Family

ID=83680875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211048999.8A Pending CN115234367A (en) 2022-08-30 2022-08-30 Light diesel engine system architecture

Country Status (1)

Country Link
CN (1) CN115234367A (en)

Similar Documents

Publication Publication Date Title
CN101341319B (en) Method of manufacturing multi-stage supercharging exhaust turbosupercharger
US4716735A (en) Exhaust gas turbo-supercharger for a vehicle engine
US9080535B2 (en) Reciprocating internal combustion engine having at least one piston
US8844493B2 (en) Lubricating oil feeding structure of engine
CN101341320A (en) Multi-stage exhaust turbosupercharger
CN102562346B (en) cylinder body
US5154144A (en) Camshaft drive arrangement for engine
US20130055713A1 (en) Cylinder head
CN102877931A (en) Turbo supercharged engine
US5908017A (en) Intake system mounting construction of engine
CN202900406U (en) Turbocharged engine
US20080134675A1 (en) Monocylindrical hybrid powertrain and method of operation
CN103016138A (en) Turbocharged engine
CN218117908U (en) Light diesel engine system architecture
CN115234367A (en) Light diesel engine system architecture
JP2016148280A (en) Internal combustion engine with turbocharger
CN105888768B (en) Integrated oscillating type engine unit
CN103382889A (en) Turbocharger support
WO2009116065A2 (en) A novel crank case for inline two cylinder ic engine
US20170114713A1 (en) Engine and motorcycle
EP0408880A1 (en) An air intake device for an internal combustion engine
CN205677784U (en) Direct connection air compressor machine unit
EP0799980A1 (en) Vehicle having a supercharged internal combustion engine unit
CN201050389Y (en) Gasoline engine
CN115898689A (en) Light engine system architecture of coupling post-processing apparatus

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination