CN219139154U - Forced lubrication system of diesel engine - Google Patents
Forced lubrication system of diesel engine Download PDFInfo
- Publication number
- CN219139154U CN219139154U CN202320268499.9U CN202320268499U CN219139154U CN 219139154 U CN219139154 U CN 219139154U CN 202320268499 U CN202320268499 U CN 202320268499U CN 219139154 U CN219139154 U CN 219139154U
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- Prior art keywords
- oil
- camshaft
- mounting hole
- crankcase
- crankshaft
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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
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a forced lubrication system of a diesel engine, which comprises a crankcase, a camshaft, a connecting rod and a crankshaft, wherein the camshaft, the connecting rod and the crankshaft are arranged in the crankcase, an oil inlet pipe is arranged on a crankcase cover and is communicated with an oil pump through a first oil way, an engine oil filter screen is arranged in the first oil way, the oil pump is communicated with a camshaft cover mounting hole through a second oil way, the camshaft cover mounting hole is communicated with an oil inlet of a camshaft oil duct, an oil outlet of the camshaft oil duct is communicated with a camshaft box mounting hole, a third oil way is led out from the position of the camshaft cover mounting hole and is used for being communicated with a cover crankshaft mounting hole, the cover crankshaft mounting hole is communicated with an oil inlet of a crankshaft oil duct, a connecting rod lubricating oil duct is arranged at the big head end of the connecting rod, and an oil outlet of the crankshaft oil duct is communicated with the connecting rod lubricating oil duct. The utility model can accurately and efficiently lubricate a plurality of important moving parts on the engine, and more efficiently solve the problem of poor lubrication of the important moving pairs of the engine.
Description
Technical Field
The utility model relates to the technical field of diesel engines, in particular to a forced lubrication system of a diesel engine.
Background
The diesel engine is a power machine which uses diesel oil as fuel, converts chemical energy into mechanical energy, and uses diesel engine as prime mover to drive generator to generate electricity. The whole set of unit is generally composed of a diesel engine, a generator, a control box, a fuel tank, a storage battery for starting and controlling and the like.
In the working process, a plurality of parts in the case need to be lubricated, the lubrication system mainly comprises two types, namely splash lubrication and forced lubrication, but the forced lubrication system of the existing diesel engine lubricates one or two parts (usually a crankshaft) more, and the problem of poor lubrication of other important kinematic pairs of the engine can occur.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a forced lubrication system of a diesel engine, which can accurately and efficiently lubricate a plurality of important moving parts on the engine and more efficiently solve the problem of poor lubrication of important kinematic pairs of the engine.
In order to achieve the above purpose, the utility model provides a forced lubrication system of a diesel engine, which comprises a crankcase, and a camshaft, a connecting rod and a crankshaft which are arranged in the crankcase, wherein oil passages are respectively arranged on the camshaft and the crankshaft, the crankcase comprises a crankcase cover and a crankcase body, mounting holes of the camshaft and the crankshaft are respectively arranged on the crankcase cover, an oil inlet pipe is arranged on the crankcase cover, the oil inlet pipe is communicated with an oil pump through a first oil passage, an engine oil filter screen is arranged in the first oil passage, the oil pump is communicated with the camshaft cover mounting hole through a second oil passage, the camshaft cover mounting hole is communicated with an oil inlet of the camshaft oil passage, an oil outlet of the camshaft oil passage is communicated with the camshaft cover mounting hole, a third oil passage is led out from the position of the camshaft cover mounting hole and is used for being communicated with the cover crankshaft mounting hole, the cover crankshaft mounting hole is communicated with the oil inlet of the crankshaft oil passage, a connecting rod lubricating oil passage is arranged at the head end of the connecting rod, and the oil outlet of the crankshaft passage is in lubricating communication with the connecting rod.
In the scheme, the method comprises the following steps: a fourth oil way is led out from the position of the mounting hole of the camshaft box cover, an oil spraying hole capable of spraying lubricating oil onto a camshaft gear is arranged on the fourth oil way, and the gear on the camshaft can drive the lubricating oil to splash and lubricate when rotating, so that the lubricating range of the engine oil in the box body is enlarged, and the lubricating effect of a lubricating system of the diesel engine is further improved.
In the scheme, the method comprises the following steps: the crankcase covers and is equipped with the filter screen mounting hole, engine oil filter screen installs in the filter screen mounting hole, conveniently dismantle the engine oil filter screen and carry out impurity clearance, avoid the filter screen to block up.
The beneficial effects of the utility model are as follows: the engine oil is accurately conveyed to kinematic pairs requiring lubrication such as a cam shaft, a crank shaft, a large end of a connecting rod and the like through the engine oil pump, so that the lubricating effect of the engine is more excellent, and the problems of poor lubrication and unbalance of important kinematic pairs of the engine are effectively solved; the oil way is simple, the engine oil at the oil inlet pipe is firstly introduced to the engine oil pump through the first oil way, then is pumped to the cam shaft through the engine oil pump, then is introduced to the crank shaft through the third oil way, finally, the engine oil at the crank shaft is introduced to the big head end of the connecting rod, and the oil ways are sequentially connected in a line, so that the engine oil way is short and convenient to arrange.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the crankcase cover.
Fig. 3 is a sectional view of the camshaft.
Fig. 4 is a cross-sectional view of the crankshaft.
Detailed Description
As shown in fig. 1 to 4, a forced lubrication system for a diesel engine is mainly composed of a crankcase, a camshaft 1 installed inside the crankcase, a connecting rod and a crankshaft 3.
The camshaft 1 and the crankshaft 3 are both provided with oil ducts, the crankcase comprises a crankcase cover 4 and a crankcase body 5, and the two are both provided with mounting holes of the camshaft 1 and the crankshaft 3.
The crankcase cover 4 is provided with an oil inlet pipe 41, the oil inlet pipe 41 is communicated with the engine oil pump 2 through a first oil way A, an engine oil filter screen 6 is arranged in the first oil way A, most impurities in engine oil can be filtered out by the engine oil filter screen 6, the engine oil is kept clean, and the service lives of components such as a crankshaft, a camshaft and the like are prolonged.
The oil pump 2 is communicated with the camshaft box cover mounting hole 42 through the second oil way B, the camshaft box cover mounting hole 42 is communicated with an oil inlet of the camshaft oil duct C, and an oil outlet of the camshaft oil duct C is communicated with the camshaft box mounting hole 51.
A third oil way D is led out from the position of the camshaft box cover mounting hole 42 and is used for communicating with the box cover crankshaft mounting hole 43, and the box cover crankshaft mounting hole 43 is communicated with an oil inlet of the crankshaft oil way E; the big head end of the connecting rod is provided with a connecting rod lubricating oil duct F, and an oil outlet of the crankshaft oil duct E is communicated with the connecting rod lubricating oil duct F.
Preferably, a fourth oil path G is led out from the position of the mounting hole 42 of the camshaft cover, and an oil spraying hole 44 is arranged on the fourth oil path G to spray lubricating oil (the lubricating oil is engine oil) onto the gear of the camshaft 1, so that the gear on the camshaft 1 can drive the lubricating oil to splash and lubricate when rotating, the lubrication range of the lubricating oil in the box body is enlarged, and the lubrication effect of the lubrication system of the diesel engine is further improved.
Preferably, be equipped with the filter screen mounting hole on crankcase lid 4, engine oil filter screen 6 installs in the filter screen mounting hole, conveniently dismantle engine oil filter screen 6 and carry out impurity clearance, avoid the filter screen to block up.
Claims (3)
1. The utility model provides a diesel engine forced lubrication system, includes the crankcase, installs in inside camshaft (1), connecting rod and the bent axle (3) of crankcase, all be equipped with the oil duct on camshaft (1) and the bent axle (3), the crankcase includes crankcase lid (4) and crankcase body (5), all is equipped with the mounting hole of camshaft (1) and bent axle (3), its characterized in that on the two: be equipped with oil feed pipe (41) on crankcase lid (4), oil feed pipe (41) are equipped with engine oil filter screen (6) through first oil circuit (A) and oil pump (2) intercommunication in first oil circuit (A), oil pump (2) are equipped with connecting rod lubrication oil duct (F) through second oil circuit (B) and camshaft case lid mounting hole (42) intercommunication, camshaft case lid mounting hole (42) and camshaft oil duct (C) oil inlet intercommunication, camshaft oil duct (C) oil-out and camshaft box body mounting hole (51) intercommunication, third oil circuit (D) are drawn forth in camshaft case lid mounting hole (42) position department and are used for communicating with case lid crankshaft mounting hole (43), case lid crankshaft mounting hole (43) and crankshaft oil duct (E) oil inlet intercommunication are equipped with connecting rod lubrication oil duct (F) at the connecting rod big head end, crankshaft oil duct (E) oil-out and connecting rod lubrication oil duct (F) intercommunication.
2. The diesel engine forced lubrication system according to claim 1, wherein: a fourth oil way (G) is led out from the position of the camshaft box cover mounting hole (42), an oil spraying hole (44) capable of spraying lubricating oil onto a gear of the camshaft (1) is arranged on the fourth oil way (G), and the gear on the camshaft (1) can drive the lubricating oil to splash and lubricate when rotating.
3. The diesel engine forced lubrication system according to claim 1, wherein: a filter screen mounting hole is formed in the crankcase cover (4), and the engine oil filter screen (6) is mounted in the filter screen mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320268499.9U CN219139154U (en) | 2023-02-21 | 2023-02-21 | Forced lubrication system of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320268499.9U CN219139154U (en) | 2023-02-21 | 2023-02-21 | Forced lubrication system of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219139154U true CN219139154U (en) | 2023-06-06 |
Family
ID=86592220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320268499.9U Active CN219139154U (en) | 2023-02-21 | 2023-02-21 | Forced lubrication system of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219139154U (en) |
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2023
- 2023-02-21 CN CN202320268499.9U patent/CN219139154U/en active Active
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