CN114575957B - Oil quantity adjusting method of diesel engine lubricating oil duct assembly - Google Patents
Oil quantity adjusting method of diesel engine lubricating oil duct assembly Download PDFInfo
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- CN114575957B CN114575957B CN202210345111.0A CN202210345111A CN114575957B CN 114575957 B CN114575957 B CN 114575957B CN 202210345111 A CN202210345111 A CN 202210345111A CN 114575957 B CN114575957 B CN 114575957B
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- 239000003921 oil Substances 0.000 title claims abstract description 423
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims abstract description 72
- 239000010705 motor oil Substances 0.000 claims abstract description 42
- 239000010721 machine oil Substances 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 19
- 239000000295 fuel oil Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010710 diesel engine oil Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- 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
- F01M1/12—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10
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- 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
- F01M1/16—Controlling lubricant pressure or quantity
-
- 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
- F02F1/18—Other cylinders
- F02F1/20—Other cylinders characterised by constructional features providing for lubrication
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil quantity adjusting method of a diesel engine lubricating oil duct assembly, which comprises a cylinder body, wherein a cylinder body main oil duct and a cylinder body auxiliary oil duct are respectively arranged in the left side and the right side of the cylinder body, and an oil outlet of the cylinder body main oil duct and an oil inlet of the cylinder body auxiliary oil duct are both positioned on the front end surface of the cylinder body; a front end cover is fixed on the front end surface of the cylinder body, a transverse engine oil duct used for communicating a main oil duct of the cylinder body and an auxiliary oil duct of the cylinder body is arranged in the front end cover, and an oil quantity adjusting valve used for adjusting the oil quantity of the main oil duct of the cylinder body into the auxiliary oil duct of the cylinder body is fixed in the transverse engine oil duct. The light-weight design of the cylinder body is realized through the transverse engine oil duct and the oil quantity regulating valve, and the casting difficulty of the cylinder body is reduced. Because the oil quantity pressure regulating valve is integrated on the front end cover, the oil quantity entering the auxiliary oil duct can be accurately controlled, the piston assembly is ensured to be always in a reasonable temperature field environment, and the reliability of related parts is improved; the power consumption of the accessory of the engine oil pump and the fuel consumption of the diesel engine are reduced.
Description
Technical Field
The invention relates to the technical field of diesel engine structures, in particular to an oil quantity adjusting method of a diesel engine lubricating oil duct assembly.
Background
The diesel engine oil duct is integrated in the engine cylinder body and comprises a main oil duct and an auxiliary oil duct, wherein the main oil duct provides lubrication for friction pairs at the crank connecting rod mechanism, the gas distribution mechanism, accessories (a fuel pump, an air compressor and the like) and the like, the auxiliary oil duct provides lubrication for friction pairs at the piston mechanism and the like, and the main oil duct and the auxiliary oil duct are communicated with each other through a transverse engine oil duct integrated in the cylinder body.
The patent with the application number of 202011166621.9 discloses an internal combustion engine lubrication system, which comprises an engine cylinder body, an oil pan, an engine cylinder body front end cover, a lubrication pump, a main pressure regulating valve, a standby pressure regulating valve, a lubrication oil cooler and a lubrication oil filter integrated module (cold filter module for short), wherein the lubrication pump is arranged on the engine cylinder body and is used for sucking and pressurizing lubrication oil from the oil pan to realize the flow of the lubrication oil in a lubrication oil channel, the lubrication oil cooler is used for cooling the lubrication oil, and the lubrication oil filter is used for filtering the lubrication oil. The lubricating oil channel comprises a lubricating oil pump inlet channel and a lubricating oil pump outlet channel which are arranged in the engine cylinder body, wherein the lubricating oil pump inlet channel is communicated with the lubricating oil pump through a lubricating oil pump oil inlet, the lubricating oil pump outlet channel is communicated with the lubricating oil pump through a lubricating oil pump oil outlet, and a main pressure regulating valve is arranged at the lubricating oil pump oil outlet. Specifically, the lubricating oil pump oil inlet channel and the lubricating oil pump oil outlet channel are arranged at positions close to the end face of the engine cylinder body, are vertical oil channels which are coaxially arranged, the lubricating oil pump oil inlet channel adopts a slightly larger aperture than the lubricating oil pump oil outlet channel, and the bottom of the lubricating oil pump oil inlet channel is communicated with the bottom face of the engine cylinder body and is used for connecting an oil suction pipe. The bottom of the lubricating oil pump oil outlet is provided with an internal thread, and a screw plug with an external thread is arranged, and the lubricating oil pump oil inlet channel and the lubricating oil pump oil outlet channel are separated by the screw plug, wherein the top of the lubricating oil pump oil inlet channel is connected with the lubricating oil pump oil inlet, and the bottom of the lubricating oil pump oil outlet channel is connected with the lubricating oil pump oil outlet. According to the structure, the lubricating oil pump oil inlet passage and the lubricating oil pump oil outlet passage can be actually machined according to one hole, then the lubricating oil pump oil inlet passage is subjected to reaming treatment, the effect that the two oil passages are mutually separated is achieved through the screw plug at the bottom of the lubricating oil pump oil outlet passage, and therefore machining is facilitated, space utilization efficiency is improved, and the structure of the engine cylinder body is more compact. The plunger cavity of the main pressure regulating valve and the side surface of the engine cylinder body are obliquely arranged in the engine cylinder body at a certain angle, one end of the plunger cavity is communicated with the lubricating oil pump oil outlet channel through a pressure regulating valve oil inlet channel coaxially arranged with the plunger cavity, and one end of the pressure regulating valve oil inlet channel communicated with the lubricating oil pump oil outlet channel is arranged near the lubricating oil pump oil outlet; the other end of the plunger cavity extends towards the outer side of the engine cylinder body and forms a plunger cavity opening on the surface of the engine cylinder body, a plunger and a plunger spring are arranged in the plunger cavity, the plunger spring is close to the plunger cavity opening, a main pressure regulating valve cover is arranged at the plunger cavity opening, and the plunger cavity is communicated with a lubricating oil pump inlet duct nearby a lubricating oil pump inlet through a drain duct. The valve cover of the main pressure regulating valve is matched and installed with the internal thread at the opening of the plunger cavity through the external thread, and a sealing gasket is arranged between the valve cover of the main pressure regulating valve and the engine cylinder body to realize the sealing of the plunger spring cavity (the part of the plunger cavity, in which the plunger spring is installed, is the plunger spring cavity). The part of the valve cover of the main pressure regulating valve, which is screwed into the opening of the plunger cavity, is provided with a hollow cavity, and an adjusting gasket which is used for supporting the plunger spring and can adjust the pre-pressure of the main pressure regulating valve is arranged in the hollow cavity. The pre-pressure of the plunger spring can be adjusted by changing adjusting gaskets with different thicknesses, so that the adjusting control of the opening pressure of the main pressure adjusting valve is realized. The valve cover of the main pressure regulating valve with the hollow cavity structure can accommodate a longer plunger spring in the limited length of the plunger spring cavity, so that the axial stroke of the plunger is increased, the regulating function of the main pressure regulating valve is more sensitive and stable, and the engine cylinder body is more compact.
The patent with the application number of 201822151681.8 discloses an electronic control high-pressure common rail oil supply pump of a diesel engine, which comprises a pump body component, a tappet body component, a front end cover component, a cam shaft, an oil pumping component, a pressure regulating valve component and an electromagnetic valve component, wherein oil grooves with mutually communicated upper and lower cavities are arranged on two sides of a tappet body cavity in the pump body component and are used for reducing pressure change caused in the upper and lower cavities when the tappet body component runs at high speed, when the tappet body component moves upwards, fuel oil or air in the upper cavity of the tappet body component can flow to the lower cavity through the mutually communicated oil grooves, and when the tappet body component moves downwards, the fuel oil in the lower cavity of the tappet body component can flow to the upper cavity through the mutually communicated oil grooves and can always keep the pressure of the upper cavity and the lower cavity of the tappet body component to be basically balanced. Further, the oil feeding device further comprises an oil feeding part, an oil return part and antifriction gaskets, wherein the antifriction gaskets are arranged on two sides of the cam shaft in a grading manner and used for improving the wear resistance of the end face, controlling the cam shaft to axially move in a series manner and reducing the failure rate of the oil pump. Further, the oil pump further comprises a sliding bearing, an oil outlet valve part, an oil inlet valve part, a plunger coupling part, a pressure regulating valve body, a pressure regulating valve core, a pressure regulating valve spring, a pressure regulating valve regulating screw and a pressure regulating valve locking screw, wherein an internal oil passage for lubricating the sliding bearings on two sides is arranged in the cam shaft, fuel oil passing through the external oil delivery pump directly enters the internal oil passage of the cam shaft through the oil inlet part of the oil pump, and the fuel oil enters a pump cavity from a gap between the cam shaft and the sliding bearing, so that sufficient lubrication between the cam shaft and the sliding bearing can be ensured, and failure between the cam shaft and the sliding bearing caused by insufficient lubrication in the operation process of the oil pump is reduced. Further, the oil supply pump adopts diesel oil to lubricate the internal moving parts. Further, the pressure regulating valve member and the solenoid valve member are disposed on both front and rear sides of the pump body, respectively, to reduce the axial dimension of the oil pump. Further, the oil inlet part of the oil pump is arranged at the bottom, and the oil return part is arranged at the upper position, so that the air in the oil pump is discharged.
In conclusion, the transverse engine oil duct connected with the main oil duct and the auxiliary oil duct in the prior art is integrated in the cylinder body, so that the casting difficulty, the processing difficulty and the weight of the cylinder body are increased. And the main oil duct and the auxiliary oil duct are always communicated, so that the power consumption of accessories of the oil pump can be increased, and the temperature fields of a piston assembly and the like for supplying oil to the auxiliary oil duct can not be guaranteed to be in an optimal state all the time.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide the oil quantity adjusting method of the diesel engine lubricating oil duct assembly, which has the advantages of low cylinder casting difficulty, low processing difficulty, light weight, less communication between the main oil duct and the auxiliary oil duct and capability of adjusting the oil quantity entering the auxiliary oil duct according to the temperature field of the auxiliary oil duct.
The diesel engine lubricating oil duct assembly comprises a cylinder body, wherein a cylinder body main oil duct and a cylinder body auxiliary oil duct are respectively arranged in the left side and the right side of the cylinder body, and an oil outlet of the cylinder body main oil duct and an oil inlet of the cylinder body auxiliary oil duct are both positioned on the front end face of the cylinder body; the method is characterized in that: the front end face of the cylinder body is fixedly provided with a front end cover, a transverse engine oil duct used for communicating the main oil duct of the cylinder body with the auxiliary oil duct of the cylinder body is arranged in the front end cover, and an oil quantity regulating valve used for regulating the oil quantity of the main oil duct of the cylinder body to the oil quantity of the auxiliary oil duct of the cylinder body is fixedly arranged in the transverse engine oil duct.
Further, the transverse engine oil channel is arranged at the top of the front end cover.
Further, the transverse engine oil duct is arranged along the horizontal direction, and the left end and the right end of the transverse engine oil duct are respectively provided with a transverse engine oil duct oil inlet in butt joint with the cylinder body main oil duct oil outlet and a transverse engine oil duct oil outlet in butt joint with the cylinder body auxiliary oil duct oil inlet.
Furthermore, sealing rings are fixed at the oil outlet of the main oil duct of the cylinder body and the oil inlet of the auxiliary oil duct of the cylinder body.
Further, the aperture of the transverse engine oil duct is uniformly narrowed along the flow direction of engine oil.
Furthermore, the oil quantity regulating valve is an electromagnetic pressure regulating valve with an oil inlet communicated with an oil outlet of the main oil duct of the cylinder body and an oil outlet communicated with an oil inlet of the auxiliary oil duct of the cylinder body.
Further, the electromagnetic pressure regulating valve is arranged along the length direction of the transverse machine oil duct.
Furthermore, the oil quantity adjusting method based on the diesel engine lubricating oil duct assembly is characterized by comprising the following steps of: and monitoring the oil pressure of the auxiliary oil passage of the cylinder body, comparing the current oil pressure value of the auxiliary oil passage of the cylinder body with the standard oil pressure value of the auxiliary oil passage of the cylinder body, when the current oil pressure value of the auxiliary oil passage of the cylinder body is monitored to be smaller than the standard oil pressure value of the auxiliary oil passage of the cylinder body, setting the opening of the oil quantity regulating valve according to the current oil pressure value of the auxiliary oil passage of the cylinder body, regulating the oil quantity regulating valve to the set opening, and when the oil pressure value of the auxiliary oil passage of the cylinder body is monitored to reach the standard oil pressure value of the auxiliary oil passage of the cylinder body, closing the oil quantity regulating valve.
Further, the method for setting the opening of the oil quantity regulating valve according to the current oil pressure value of the auxiliary oil channel of the cylinder body is as follows: setting the time required for the cylinder auxiliary oil passage to rise from the current oil pressure value to the standard oil pressure value of the cylinder auxiliary oil passage, calculating the required oil inlet amount of the cylinder auxiliary oil passage in unit time, collecting the oil inlet amounts of the oil quantity regulating valves with different opening degrees in unit time, and selecting the proper opening degree to enable the required oil inlet amount of the cylinder auxiliary oil passage in unit time to be the same as the oil inlet amount of the oil quantity regulating valve in unit time under the opening degree.
Still further, the oil mass adjustment method of the diesel engine lubrication oil duct assembly comprises the following steps:
step one: monitoring the oil pressure of the auxiliary oil passage of the cylinder body, comparing the current oil pressure value of the auxiliary oil passage of the cylinder body with the standard oil pressure value of the auxiliary oil passage of the cylinder body, and setting the opening of the oil quantity regulating valve according to the current oil pressure value of the auxiliary oil passage of the cylinder body when the current oil pressure value of the auxiliary oil passage of the cylinder body is monitored to be smaller than the standard oil pressure value of the auxiliary oil passage of the cylinder body;
step two: the oil quantity regulating valve is regulated to a set opening degree, and the oil pressure of the auxiliary oil duct of the cylinder body is continuously monitored;
step three: and when the oil pressure value of the auxiliary oil passage of the cylinder body reaches the standard oil pressure value of the auxiliary oil passage of the cylinder body, closing the oil quantity regulating valve.
The beneficial effects of the invention are as follows: the cylinder body main oil duct and the cylinder body auxiliary oil duct are respectively arranged in the left side and the right side of the cylinder body, the oil outlet of the cylinder body main oil duct and the oil inlet of the cylinder body auxiliary oil duct are both positioned on the front end face of the cylinder body, and the front end cover is fixed on the front end face of the cylinder body; the front end cover is internally provided with the transverse engine oil duct which is used for communicating the main oil duct of the cylinder body and the auxiliary oil duct of the cylinder body, and the oil quantity regulating valve which is used for fixedly regulating the oil quantity of the main oil duct of the cylinder body to the auxiliary oil duct of the cylinder body in the transverse engine oil duct is used for realizing the light weight design of the cylinder body and reducing the casting difficulty of the cylinder body. Because the front end cover is integrated with the oil quantity pressure regulating valve, the quantity of engine oil entering the auxiliary oil duct of the cylinder body can be accurately controlled, the piston assembly is ensured to be always in a reasonable temperature field environment, and the reliability of related parts is improved; the power consumption of the accessory of the engine oil pump and the fuel consumption of the diesel engine are reduced.
Drawings
FIG. 1 is a perspective view of a diesel engine lubrication gallery assembly according to the present invention;
FIG. 2 is an exploded view of the structure of the diesel engine lubrication gallery assembly of the present invention;
FIG. 3 is a longitudinal cross-sectional view of a transverse machine oil gallery in accordance with the present invention;
FIG. 4 is a transverse cross-sectional view of a transverse machine oil gallery in accordance with the present invention;
FIG. 5 is a front view of the front end of the cylinder according to the present invention;
the device comprises a cylinder body 1, a front end cover 2, a 3-oil quantity regulating valve, a cylinder body main oil duct 4, a cylinder body auxiliary oil duct 5, a transverse engine oil duct 6, a transverse engine oil duct oil inlet 7, a transverse engine oil duct oil outlet 8 and a sealing ring 9.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples. The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The diesel engine lubricating oil duct assembly shown in fig. 1-5 comprises a cylinder body 1, wherein a cylinder body main oil duct 4 and a cylinder body auxiliary oil duct 5 are respectively arranged in the left side and the right side of the cylinder body 1, and an oil outlet of the cylinder body main oil duct 4 and an oil inlet of the cylinder body auxiliary oil duct 5 are both positioned on the front end face of the cylinder body 1; the front end face of the cylinder body 1 is fixedly provided with a front end cover 2, a transverse engine oil duct 6 used for communicating a cylinder body main oil duct 4 and a cylinder body auxiliary oil duct 5 is arranged in the top of the front end cover 2, and an oil quantity regulating valve 3 used for regulating the oil quantity of the cylinder body main oil duct 4 into the cylinder body auxiliary oil duct 5 is fixedly arranged in the transverse engine oil duct 6. The transverse engine oil duct 6 is arranged along the horizontal direction, and the left end and the right end of the transverse engine oil duct 6 are respectively provided with a transverse engine oil duct oil inlet 7 which is in butt joint with the oil outlet of the main oil duct 4 of the cylinder body and a transverse engine oil duct oil outlet 8 which is in butt joint with the oil inlet of the auxiliary oil duct 5 of the cylinder body. Sealing rings 9 are fixed at the oil outlet of the main oil duct 4 and the oil inlet of the auxiliary oil duct 5. The aperture of the lateral machine oil passage 6 is uniformly narrowed in the flow direction of the machine oil. The oil quantity regulating valve 3 is an electromagnetic pressure regulating valve with an oil inlet communicated with an oil outlet of the main oil duct 4 of the cylinder body and an oil outlet communicated with an oil inlet of the auxiliary oil duct 5 of the cylinder body. The electromagnetic pressure regulating valve is arranged along the length direction of the transverse machine oil duct 6.
The technical scheme of the invention is further described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1 to 5, when the oil quantity of the cylinder auxiliary oil passage 5 is not in the optimal state, the ECU determines the oil quantity value through the oil pressure sensor of the cylinder auxiliary oil passage 5, precisely controls the oil quantity of the engine oil flowing to the cylinder auxiliary oil passage 5 from the cylinder main oil passage 4 by adjusting the opening of the oil quantity adjusting valve 3, ensures that the temperature field of the piston assembly is in the optimal working environment, and when the oil quantity of the cylinder auxiliary oil passage 5 is in the optimal condition under the operating condition, that is, when the oil pressure of the cylinder auxiliary oil passage 5 reaches the calibrated value, the oil quantity adjusting valve 3 is closed, the opening of the oil quantity adjusting valve 3 is linearly related to the oil pressure, the larger the oil pressure is, the larger the opening of the oil quantity adjusting valve 3 is, the more engine oil flows to the other side, and when the oil pressure of the cylinder auxiliary oil passage 5 is recovered to be normal, the pressure limiting spring of the adjusting valve 3 is reset, and the oil quantity is disconnected.
In summary, the oil quantity adjusting method based on the diesel engine lubricating oil duct assembly comprises the following steps: and monitoring the oil pressure of the cylinder auxiliary oil duct 5, comparing the current oil pressure value of the cylinder auxiliary oil duct 5 with the standard oil pressure value of the cylinder auxiliary oil duct 5, when the current oil pressure value of the cylinder auxiliary oil duct 5 is monitored to be smaller than the standard oil pressure value of the cylinder auxiliary oil duct 5, setting the opening of the oil quantity regulating valve 3 according to the current oil pressure value of the cylinder auxiliary oil duct 5, regulating the oil quantity regulating valve 3 to the set opening, and when the oil pressure value of the cylinder auxiliary oil duct 5 is monitored to reach the standard oil pressure value of the cylinder auxiliary oil duct 5, closing the oil quantity regulating valve 3.
The method of setting the opening degree of the oil quantity adjusting valve 3 according to the current oil pressure value of the cylinder sub-gallery 5 is: the time required for the cylinder auxiliary oil duct 5 to rise from the current oil pressure value to the standard oil pressure value of the cylinder auxiliary oil duct 5 is set, the required oil inlet amount of the cylinder auxiliary oil duct 5 in unit time is calculated, and the proper opening is selected through the oil inlet amount of the oil quantity adjusting valve 3 in unit time with different opening collected in advance, so that the required oil inlet amount of the cylinder auxiliary oil duct 5 in unit time is the same as the oil inlet amount of the oil quantity adjusting valve 3 in unit time under the opening.
Specifically, the oil quantity adjusting method of the diesel engine lubricating oil duct assembly designed by the invention comprises the following steps:
step one: monitoring the oil pressure of the cylinder auxiliary oil duct 5, comparing the current oil pressure value of the cylinder auxiliary oil duct 5 with the standard oil pressure value of the cylinder auxiliary oil duct 5, and setting the opening of the oil quantity regulating valve 3 according to the current oil pressure value of the cylinder auxiliary oil duct 5 when the current oil pressure value of the cylinder auxiliary oil duct 5 is monitored to be smaller than the standard oil pressure value of the cylinder auxiliary oil duct 5;
step two: the oil quantity regulating valve 3 is regulated to a set opening degree, and the oil pressure of the cylinder auxiliary oil duct 5 is continuously monitored;
step three: when the oil pressure value of the cylinder auxiliary oil passage 5 is monitored to reach the standard oil pressure value of the cylinder auxiliary oil passage 5, the oil quantity regulating valve 3 is closed.
According to the invention, the cylinder main oil duct 4 and the cylinder auxiliary oil duct 5 are respectively arranged in the left side and the right side of the cylinder 1, the oil outlet of the cylinder main oil duct 4 and the oil inlet of the cylinder auxiliary oil duct 5 are both positioned on the front end face of the cylinder 1, and the front end cover 2 is fixed on the front end face of the cylinder 1; the front end cover 2 is internally provided with the transverse engine oil duct 6 which is used for communicating the cylinder main oil duct 4 and the cylinder auxiliary oil duct 5, and the oil quantity regulating valve 3 which is used for fixedly regulating the oil quantity of the cylinder main oil duct 4 into the cylinder auxiliary oil duct 5 in the transverse engine oil duct 6 is used for realizing the light weight design of the cylinder 1 and reducing the casting difficulty of the cylinder 1. Because the oil quantity pressure regulating valve 3 is integrated on the front end cover 2, the oil quantity entering the auxiliary oil duct 5 of the cylinder body can be accurately controlled, the piston assembly is ensured to be always in a reasonable temperature field environment, and the reliability of related parts is improved; the power consumption of the accessory of the engine oil pump and the fuel consumption of the diesel engine are reduced.
Here, it should be noted that the description of the above technical solution is exemplary, and the present specification may be embodied in different forms and should not be construed as being limited to the technical solution set forth herein. Rather, these descriptions will be provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the invention is limited only by the scope of the claims. The features of the various embodiments of the invention may be combined or spliced with one another, either in part or in whole, and may be implemented in a variety of different configurations as will be well understood by those skilled in the art. Embodiments of the present invention may be performed independently of each other or may be performed together in an interdependent relationship.
Claims (9)
1. The oil quantity adjusting method of the diesel engine lubricating oil duct assembly comprises a cylinder body (1), wherein a cylinder body main oil duct (4) and a cylinder body auxiliary oil duct (5) are respectively arranged in the left side and the right side of the cylinder body (1), and an oil outlet of the cylinder body main oil duct (4) and an oil inlet of the cylinder body auxiliary oil duct (5) are both positioned on the front end face of the cylinder body (1); the method is characterized in that: a front end cover (2) is fixed on the front end surface of the cylinder body (1), a transverse engine oil duct (6) used for communicating the cylinder body main oil duct (4) and the cylinder body auxiliary oil duct (5) is arranged in the front end cover (2), and an oil quantity regulating valve (3) used for regulating the oil quantity of the cylinder body main oil duct (4) into the cylinder body auxiliary oil duct (5) is fixed in the transverse engine oil duct (6);
the oil quantity adjusting method of the diesel engine lubricating oil duct assembly comprises the steps of monitoring oil pressure of a cylinder auxiliary oil duct (5), comparing the current oil pressure value of the cylinder auxiliary oil duct (5) with a standard oil pressure value of the cylinder auxiliary oil duct (5), when the current oil pressure value of the cylinder auxiliary oil duct (5) is monitored to be smaller than the standard oil pressure value of the cylinder auxiliary oil duct (5), setting the opening of an oil quantity adjusting valve (3) according to the current oil pressure value of the cylinder auxiliary oil duct (5), adjusting the oil quantity adjusting valve (3) to the set opening, and when the oil pressure value of the cylinder auxiliary oil duct (5) is monitored to reach the standard oil pressure value of the cylinder auxiliary oil duct (5), closing the oil quantity adjusting valve (3).
2. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 1, characterized by: the transverse engine oil duct (6) is arranged at the top of the front end cover (2).
3. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 2, characterized by: the transverse engine oil duct (6) is arranged along the horizontal direction, and the left end and the right end of the transverse engine oil duct (6) are respectively provided with a transverse engine oil duct oil inlet (7) which is in butt joint with the oil outlet of the main oil duct (4) of the cylinder body and a transverse engine oil duct oil outlet (8) which is in butt joint with the oil inlet of the auxiliary oil duct (5) of the cylinder body.
4. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 3, characterized by: sealing rings (9) are fixed at the oil outlet of the main oil duct (4) and the oil inlet of the auxiliary oil duct (5) of the cylinder body.
5. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 3, characterized by: the aperture of the transverse engine oil duct (6) is uniformly narrowed along the flowing direction of engine oil.
6. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 3, characterized by: the oil quantity regulating valve (3) is an electromagnetic pressure regulating valve with an oil inlet communicated with an oil outlet of the main oil duct (4) of the cylinder body and an oil outlet communicated with an oil inlet of the auxiliary oil duct (5) of the cylinder body.
7. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 6, characterized by: the electromagnetic pressure regulating valve is arranged along the length direction of the transverse machine oil duct (6).
8. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 1, characterized by: the method for setting the opening of the oil quantity regulating valve (3) according to the current oil pressure value of the cylinder auxiliary oil duct (5) is as follows: setting the time required for the cylinder auxiliary oil duct (5) to rise from the current oil pressure value to the standard oil pressure value of the cylinder auxiliary oil duct (5), calculating the required oil inlet amount of the cylinder auxiliary oil duct (5) in unit time, collecting the oil inlet amounts of the oil quantity regulating valves (3) with different openings in unit time, and selecting proper openings to enable the required oil inlet amount of the cylinder auxiliary oil duct (5) in unit time to be the same as the oil inlet amount of the oil quantity regulating valve (3) with the opening in unit time.
9. The oil amount adjusting method of the diesel engine lubricating oil passage assembly according to claim 8, characterized by: it comprises the following steps:
step one: monitoring the oil pressure of the cylinder auxiliary oil duct (5), comparing the current oil pressure value of the cylinder auxiliary oil duct (5) with the standard oil pressure value of the cylinder auxiliary oil duct (5), and setting the opening of the oil quantity regulating valve (3) according to the current oil pressure value of the cylinder auxiliary oil duct (5) when the current oil pressure value of the cylinder auxiliary oil duct (5) is monitored to be smaller than the standard oil pressure value of the cylinder auxiliary oil duct (5);
step two: the oil quantity regulating valve (3) is regulated to a set opening degree, and the oil pressure of the auxiliary oil duct (5) of the cylinder body is continuously monitored;
step three: and when the oil pressure value of the cylinder auxiliary oil passage (5) is monitored to reach the standard oil pressure value of the cylinder auxiliary oil passage (5), the oil quantity regulating valve (3) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210345111.0A CN114575957B (en) | 2022-03-31 | 2022-03-31 | Oil quantity adjusting method of diesel engine lubricating oil duct assembly |
Applications Claiming Priority (1)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915141B (en) * | 2003-09-23 | 2013-03-27 | 亨格斯特两合公司 | Oil module for an internal combustion engine |
| CN104832241A (en) * | 2014-12-12 | 2015-08-12 | 北汽福田汽车股份有限公司 | Engine lubrication control device, system and control method |
| JP2018123708A (en) * | 2017-01-30 | 2018-08-09 | いすゞ自動車株式会社 | Oil path structure |
| CN213360206U (en) * | 2020-10-27 | 2021-06-04 | 第一拖拉机股份有限公司 | Lubricating system of internal combustion engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8794210B2 (en) * | 2012-01-05 | 2014-08-05 | Ford Global Technologies, Llc | Engine lubrication system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915141B (en) * | 2003-09-23 | 2013-03-27 | 亨格斯特两合公司 | Oil module for an internal combustion engine |
| CN104832241A (en) * | 2014-12-12 | 2015-08-12 | 北汽福田汽车股份有限公司 | Engine lubrication control device, system and control method |
| JP2018123708A (en) * | 2017-01-30 | 2018-08-09 | いすゞ自動車株式会社 | Oil path structure |
| CN213360206U (en) * | 2020-10-27 | 2021-06-04 | 第一拖拉机股份有限公司 | Lubricating system of internal combustion engine |
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