CN114320518A - Diesel engine capable of automatically supplementing lubricating oil - Google Patents
Diesel engine capable of automatically supplementing lubricating oil Download PDFInfo
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- CN114320518A CN114320518A CN202111627980.4A CN202111627980A CN114320518A CN 114320518 A CN114320518 A CN 114320518A CN 202111627980 A CN202111627980 A CN 202111627980A CN 114320518 A CN114320518 A CN 114320518A
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Abstract
The invention discloses a diesel engine capable of automatically supplementing lubricating oil and the application technical field of the diesel engine. The diesel engine comprises a diesel engine main body and an oil pan, and further comprises an oil conveying assembly for conveying lubricating oil to the diesel engine main body, a backflow assembly for returning the lubricating oil in the diesel engine main body to the oil pan, and an oil supplementing assembly; the inside of the oil pan is communicated with the lubricating oil input end of the diesel engine main body through an oil feeding component, and the lubricating oil output end of the diesel engine main body is communicated with the inside of the oil pan through a backflow component; the oil supplementing assembly is used for: when the lubricating oil in the oil pan is lower than a specified threshold value, the lubricating oil is automatically supplemented into the oil pan, and the lubricating oil consumption of the diesel engine during continuous operation is ensured while the oil supplementing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of diesel engine application, in particular to a diesel engine capable of automatically supplementing lubricating oil.
Background
More than 90% of the world's vessels use diesel engines as power, the diesel engine sump is an important component of the diesel engine, and in the lower half of the diesel engine crankcase, the diesel engine is supplied with lubricating oil primarily and the lubricating oil returned from the diesel engine lubricating oil system is collected and stored. The diesel engine conveys the lubricating oil of the oil pan into the diesel engine through the lubricating oil pump, so that parts such as a crankshaft, a piston, a gear box, a driving mechanism and the like of the diesel engine are respectively cooled, pre-lubrication is provided for the diesel engine when the large diesel engine is stopped, and abrasion during starting is reduced.
In the diesel engine operation in-process, the lubricating oil has certain consumption, when the oil pan liquid level is less than and sets for the liquid level value, need mend the oil to the oil pan, and traditional diesel engine adopts manual supplementary lubricating oil more, and not only mends oil efficiency lower, can not guarantee the lubricating oil consumption of diesel engine continuous operation moreover.
Disclosure of Invention
Aiming at the defects in the prior art, the invention solves the technical problems that: how to automatically replenish oil for the diesel engine, and then when promoting the oil replenishing efficiency, guarantee the lubricating oil consumption of the continuous operation of diesel engine.
In order to achieve the above purpose, the invention provides a diesel engine capable of automatically supplementing lubricating oil, which comprises a diesel engine main body and an oil pan, wherein the diesel engine also comprises an oil feeding assembly for feeding lubricating oil to the diesel engine main body, a backflow assembly for returning the lubricating oil in the diesel engine main body to the oil pan, and an oil supplementing assembly; the inside of the oil pan is communicated with the lubricating oil input end of the diesel engine main body through an oil feeding component, and the lubricating oil output end of the diesel engine main body is communicated with the inside of the oil pan through a backflow component; the oil supplementing assembly is used for: when the lubricating oil in the oil pan is lower than a specified threshold value, the lubricating oil is automatically supplemented into the oil pan.
On the basis of the technical scheme, the oil supplementing assembly comprises an oil tank, a first oil supplementing ball valve, an oil supplementing pump, an electromagnetic valve and a second oil supplementing ball valve which are sequentially communicated through a pipeline, and the output end of the second oil supplementing ball valve is communicated with the inside of the oil pan through the pipeline; the oil supplementing assembly further comprises a liquid level detector, the liquid level detector is electrically connected with the oil supplementing pump, and when the liquid level detector monitors that the lubricating oil in the oil pan is lower than a specified threshold value, the oil supplementing pump is automatically opened, so that the lubricating oil in the lubricating oil tank is extracted into the oil pan.
On the basis of the technical scheme, the oil supplementing assembly further comprises an electronic liquid level meter connected with the lubricating oil tank, and the electronic liquid level meter is used for: and when the fact that the lubricating oil in the lubricating oil tank is lower than a specified threshold value is monitored, an alarm signal is sent out.
On the basis of the technical scheme, the diesel engine further comprises an inclined oil supplementing assembly, and the inclined oil supplementing assembly specifically comprises an elastic hose, wherein a gravity viscous ball provided with a suction port is fixed at the input end of the elastic hose, and the output end of the elastic hose is communicated with the oil feeding assembly through an inclined oil supplementing ball valve; the gravity viscous ball is positioned in the oil pan, and when the oil pan is ensured to incline by the length of the elastic hose, the gravity viscous ball is always contacted with the lubricating oil liquid level in the oil pan and the lubricating oil is extracted through the suction port.
On the basis of the technical scheme, the oil feeding component comprises an oil feeding ball valve, an oil lubricating pump and a check valve, the oil feeding ball valve is a normally open ball valve, and the inside of the oil pan is communicated with the oil feeding ball valve, the oil lubricating pump, the check valve and the oil lubricating input end of the diesel engine main body in sequence through pipelines.
On the basis of the technical scheme, the backflow assembly comprises an oil return ball valve which is a normally open ball valve, and the lubricating oil output end of the diesel engine main body is sequentially communicated with the oil return ball valve and the oil pan through a pipeline.
On above-mentioned technical scheme's basis, the diesel engine still includes the oil extraction subassembly, and it specifically includes, through stop valve, oil extraction pump and the oil extraction ball valve of pipeline intercommunication in order, the input and the oil pan inner bottom intercommunication of stop valve.
Compared with the prior art, the invention has the advantages that:
(1) when the oil supplementing assembly monitors that the lubricating oil in the oil pan is lower than the specified threshold value, the lubricating oil can be automatically supplemented into the oil pan, so that the lubricating oil in the oil pan can be continuously fed into a diesel engine when needed, the oil supplementing efficiency is improved, and the lubricating oil consumption of the diesel engine during continuous operation can be ensured.
(2) The inclined oil supplementing assembly can continuously supplement oil for the diesel engine when the oil pan inclines, and ensures stable supply of lubricating oil of a lubricating oil system of the diesel engine.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a diesel engine according to an embodiment of the present invention;
FIG. 2 is a first schematic diagram of the oil supply of the inclined oil supply assembly according to the embodiment of the present invention;
fig. 3 is a second schematic diagram of the oil supply of the inclined oil supply assembly according to the embodiment of the invention.
In the figure: 1-lubricating oil tank, 2-electronic liquid level meter, 3-first oil-supplementing ball valve, 4-oil-supplementing pump, 5-electromagnetic valve, 6-second oil-supplementing ball valve, 7-lubricating oil pump, 8-check valve, 9-diesel engine body, 10-inclined oil-supplementing component, 10.1-elastic hose, 10.2-gravity viscous ball, 11-inclined oil-supplementing ball valve, 12-stop valve, 13-oil-discharging pump, 14-oil-discharging ball valve, 15-liquid level detector, 16-oil pan, 17-oil-returning ball valve, 18-oil-feeding ball valve and 19-oil-feeding suction port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The diesel engine capable of automatically supplementing lubricating oil in the embodiment of the invention comprises a diesel engine main body 9, an oil pan 16, an oil feeding assembly for feeding lubricating oil for the diesel engine main body 9, and a return assembly for returning the lubricating oil in the diesel engine main body 9 to the oil pan 16. The inside of the oil pan 16 is communicated with the lubricating oil input end of the diesel engine main body 9 through an oil feeding component, and the lubricating oil output end of the diesel engine main body 9 is communicated with the inside of the oil pan 16 through a backflow component; in use, the input end of the oil feed assembly is located in the oil in the sump 16. This oil recovery machine still includes the oil supplementing subassembly, and it is used for: when it is detected that the oil in the oil pan 16 is below a specified threshold value, the oil is automatically replenished into the oil pan 16.
Preferably, referring to fig. 1, the oil delivery assembly includes an oil delivery ball valve 18, an oil pump 7 and a check valve 8, the oil delivery ball valve 18 is a normally open ball valve, and the interior of the oil pan 16 is sequentially communicated with the oil delivery ball valve 18, the oil pump 7, the check valve 8 and an oil input end of the diesel engine main body 9 through pipelines; in use, the input end of the conduit connecting the oil pan 16 and the oil feed ball valve 18 is an oil feed suction port 19, which is located in the oil pan 16.
Preferably, referring to fig. 1, the backflow assembly includes an oil return ball valve 17, which is a normally open ball valve, and the oil output end of the diesel engine main body 9 is sequentially communicated with the oil return ball valve 17 and the interior of the oil pan 16 through a pipeline.
Preferably, as shown in fig. 1, the oil supplementing assembly includes an oil tank 1, a first oil supplementing ball valve 3, an oil supplementing pump 4, an electromagnetic valve 5 and a second oil supplementing ball valve 6 which are sequentially communicated through a pipeline, and an output end of the second oil supplementing ball valve 6 is communicated with the inside of the oil pan 16 through a pipeline; the oil supplementing assembly further comprises a liquid level detector 15 used for detecting lubricating oil in the oil pan 16, the liquid level detector 15 is electrically connected with the oil supplementing pump 4, when the liquid level detector 15 monitors that the lubricating oil in the oil pan 16 is lower than a specified threshold value, the oil supplementing pump 4 is automatically opened (for example, the oil supplementing pump 4 can be opened through a controller), and then the lubricating oil in the lubricating oil tank 1 is extracted into the oil pan 16, so that the oil supplementing function is realized.
On this basis, as shown in fig. 1, the oil replenishment assembly further comprises an electronic level gauge 2 connected to the lubricant tank 1 for: when the fact that the lubricating oil in the lubricating oil tank 1 is lower than a specified threshold value is monitored, an alarm signal is sent out to prompt a user to supplement the lubricating oil in the lubricating oil tank 1, and the oil supplementing mode can be automatic or manual. The oil supplementing prompting function of the lubricating oil tank 1 can further ensure that oil can be stably supplemented for the diesel engine.
Preferably, as shown in fig. 1, the diesel engine further comprises an inclined oil compensation assembly 10, which specifically comprises an elastic hose 10.1, wherein a gravity viscous ball 10.2 provided with a suction port is fixed at an input end of the elastic hose 10.1, and an output end of the elastic hose 10.1 is communicated with an oil supply assembly (an input end of the lubricating oil pump 7) through an inclined oil compensation ball valve 11; the gravity viscosity ball 10.2 is located inside the oil pan 16, and the length of the elastic hose 10.1 can ensure that the gravity viscosity ball 10.2 is always in contact with the surface of the lubricating oil in the oil pan 16 and pumps the lubricating oil when the oil pan 16 tilts.
The working principle of the inclined oil supplementing assembly 10 is as follows: referring to FIG. 1, under normal operating conditions, the sump 16 is horizontal and oil enters the diesel engine through the oil ball valve 18. Referring to fig. 2, when the oil pan 16 is tilted (for example, an earthquake occurs from the outside), the oil feed ball valve 18 is closed, and the tilted oil supply ball valve 11 is opened. The oil pan 16 is inclined by an angle alpha, and at this time, the suction port cannot suck lubricating oil; referring to fig. 3, the gravity viscosity ball 10.2 cannot be balanced in the oil pan 16, and therefore the hose is stretched by gravity to move into contact with the surface of the lubricant, and the lubricant is kept in mechanical balance under the action of the viscosity and buoyancy of the lubricant, and the lubricant enters the diesel engine through the suction port of the gravity viscosity ball 10.2, the hose and the inclined oil-filling ball valve 11. Because the hose has certain elasticity and can stretch and retract, the hose and the gravity viscous ball 10.2 can be always kept on the surface of lubricating oil under the combined action of stretching force, gravity and buoyancy, so that even if the inclination angle of the oil bottom shell 16 is changed in the earthquake process, the gravity viscous ball 10.2 can be always kept in contact with the surface of the lubricating oil, and further the stable supply of the lubricating oil of the diesel engine lubricating oil system is ensured.
Preferably, referring to fig. 1, the diesel engine further comprises an oil drain assembly, which specifically comprises a stop valve 12, an oil drain pump 13 and an oil drain ball valve 14, which are sequentially communicated through a pipeline, wherein an input end of the stop valve 12 is communicated with an inner bottom of an oil pan 16.
On the basis, the working process of the diesel engine provided by the embodiment of the invention is as follows:
referring to fig. 1, when the diesel engine runs, the lubricating oil pump 7 is started, the lubricating oil enters the diesel engine through the suction port, the oil delivery ball valve 18, the lubricating oil pump 7 and the check valve 8 in sequence, the lubricating oil cools the crankshaft, the piston, the gear box and the driving mechanism of the diesel engine and returns to the oil pan 16 through the oil return ball valve 17, the lubricating oil circulation process of the lubricating oil system is completed, and the oil delivery ball valve 18 and the oil return ball valve 17 on the lubricating oil pipeline are in a normally open state. The inclined oil supplementing ball valve 11 is in a normally closed state, when an earthquake occurs in the external environment, the oil feeding ball valve 18 is closed, the inclined oil supplementing ball valve 11 is opened, lubricating oil enters the diesel engine through a suction port of the gravity viscous ball 10.2, a hose, the inclined oil supplementing ball valve 11, the lubricating oil pump 7 and the check valve 8, and after the cooling process is completed, the lubricating oil can reach an oil pan 16 through the oil returning ball valve 17, so that the circulation process of a lubricating oil system is completed.
After the diesel engine runs for a period of time, lubricating oil is consumed, when the liquid level detector 15 monitors that the liquid level of the oil pan 16 is lower than a certain set value, in order to ensure the sufficient supply of the lubricating oil, the oil supplementing pump 4 and the electromagnetic valve 5 are started, the oil supplementing pump 4 conveys the lubricating oil in the lubricating oil tank to the oil pan 16 through the first oil supplementing ball valve 3, the oil supplementing pump 4, the electromagnetic valve 5 and the second oil supplementing ball valve 6, and the whole process is completed through the electronic liquid level meter 2, the liquid level sensor and sensors on the oil supplementing pump 4 and the electromagnetic valve 5 without manual intervention. The electronic level meter 2 observes the liquid level of the lubricating oil tank, and when the liquid level in the lubricating oil tank is lower than a certain set value, lubricating oil is supplied to the lubricating oil tank in time.
After the diesel engine runs for a period of time, the lubricating oil needs to be replaced, the oil discharge pump 13 is started, the stop valve 12 and the oil discharge ball valve 14 are opened, the lubricating oil of the oil pan 16 is pumped out, and then the lubricating oil is supplemented to the oil pan 16 through the oil supplementing assembly. When the oil does not need to be replaced, the shutoff valve 12 and the drain ball valve 14 are normally closed.
The above embodiments are only specific embodiments of the present invention, but the scope of the embodiments of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the embodiments of the present invention, and these modifications or substitutions should be covered by the scope of the embodiments of the present invention. Therefore, the protection scope of the embodiments of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A diesel engine capable of automatically replenishing lubricating oil, comprising a diesel engine main body (9) and an oil pan (16), characterized in that: the diesel engine also comprises an oil feeding assembly for feeding lubricating oil for the diesel engine main body (9), a backflow assembly for returning the lubricating oil in the diesel engine main body (9) to the oil pan (16), and an oil supplementing assembly; the interior of the oil pan (16) is communicated with the lubricating oil input end of the diesel engine main body (9) through an oil feeding assembly, and the lubricating oil output end of the diesel engine main body (9) is communicated with the interior of the oil pan (16) through a backflow assembly; the oil supplementing assembly is used for: when the lubricating oil in the oil pan (16) is lower than a designated threshold value, the lubricating oil is automatically supplemented into the oil pan (16).
2. The diesel engine capable of automatically replenishing lubricating oil according to claim 1, wherein: the oil supplementing assembly comprises a lubricating oil tank (1), a first oil supplementing ball valve (3), an oil supplementing pump (4), an electromagnetic valve (5) and a second oil supplementing ball valve (6) which are communicated with one another through a pipeline in sequence, and the output end of the second oil supplementing ball valve (6) is communicated with the inside of the oil pan (16) through a pipeline; the oil supplementing assembly further comprises a liquid level detector (15), the liquid level detector (15) is electrically connected with the oil supplementing pump (4), when the liquid level detector (15) monitors that lubricating oil in the oil pan (16) is lower than a specified threshold value, the oil supplementing pump (4) is automatically opened, and then the lubricating oil in the lubricating oil tank (1) is extracted into the oil pan (16).
3. The diesel engine capable of automatically replenishing lubricating oil according to claim 2, wherein: the oil supply assembly further comprises an electronic liquid level meter (2) connected with the lubricating oil tank (1) and used for: and when the fact that the lubricating oil in the lubricating oil tank (1) is lower than a specified threshold value is monitored, an alarm signal is sent out.
4. The diesel engine capable of automatically replenishing lubricating oil according to claim 1, wherein: the diesel engine also comprises an inclined oil supplementing assembly (10) which specifically comprises an elastic hose (10.1), wherein the input end of the elastic hose (10.1) is fixedly provided with a gravity viscous ball (10.2) provided with a suction port, and the output end of the elastic hose (10.1) is communicated with the oil feeding assembly through an inclined oil supplementing ball valve (11); the gravity viscous ball (10.2) is positioned in the oil pan (16), and when the oil pan (16) is inclined, the length of the elastic hose (10.1) can ensure that the gravity viscous ball (10.2) is always in contact with the surface of lubricating oil in the oil pan (16) and the lubricating oil is extracted through the suction port.
5. The diesel engine capable of automatically replenishing lubricating oil according to any one of claims 1 to 4, wherein: the oil feeding assembly comprises an oil feeding ball valve (18), an oil lubricating pump (7) and a check valve (8), the oil feeding ball valve (18) is a normally open ball valve, and the interior of the oil pan (16) is communicated with the oil feeding ball valve (18), the oil lubricating pump (7), the check valve (8) and the oil lubricating input end of the diesel engine main body (9) in sequence through pipelines.
6. The diesel engine capable of automatically replenishing lubricating oil according to any one of claims 1 to 4, wherein: the backflow assembly comprises an oil return ball valve (17) which is a normally open ball valve, and the lubricating oil output end of the diesel engine main body (9) is sequentially communicated with the oil return ball valve (17) and the interior of the oil pan (16) through a pipeline.
7. The diesel engine capable of automatically replenishing lubricating oil according to any one of claims 1 to 4, wherein: the diesel engine still includes the oil extraction subassembly, and it specifically includes, through stop valve (12), oil extraction pump (13) and the oil extraction ball valve (14) of pipeline intercommunication in order, the input and the oil pan (16) inner bottom intercommunication of stop valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111627980.4A CN114320518A (en) | 2021-12-28 | 2021-12-28 | Diesel engine capable of automatically supplementing lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111627980.4A CN114320518A (en) | 2021-12-28 | 2021-12-28 | Diesel engine capable of automatically supplementing lubricating oil |
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| CN114320518A true CN114320518A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111627980.4A Pending CN114320518A (en) | 2021-12-28 | 2021-12-28 | Diesel engine capable of automatically supplementing lubricating oil |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007211744A (en) * | 2006-02-13 | 2007-08-23 | Yanmar Co Ltd | Lubricating oil feeding device |
| CN203962091U (en) * | 2014-05-13 | 2014-11-26 | 南车玉柴四川发动机股份有限公司 | A kind of diesel engine oil pan automatic fuel supplementing system |
| CN111305926A (en) * | 2020-02-19 | 2020-06-19 | 重庆鼎工机电有限公司 | General engine capable of meeting use of large inclination angle |
| CN210948831U (en) * | 2019-10-11 | 2020-07-07 | 陕西柴油机重工有限公司 | Automatic lubricating oil supplementing device for high-power diesel engine |
| CN214741543U (en) * | 2021-03-19 | 2021-11-16 | 潍柴重机股份有限公司 | Marine diesel engine oil sump |
-
2021
- 2021-12-28 CN CN202111627980.4A patent/CN114320518A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007211744A (en) * | 2006-02-13 | 2007-08-23 | Yanmar Co Ltd | Lubricating oil feeding device |
| CN203962091U (en) * | 2014-05-13 | 2014-11-26 | 南车玉柴四川发动机股份有限公司 | A kind of diesel engine oil pan automatic fuel supplementing system |
| CN210948831U (en) * | 2019-10-11 | 2020-07-07 | 陕西柴油机重工有限公司 | Automatic lubricating oil supplementing device for high-power diesel engine |
| CN111305926A (en) * | 2020-02-19 | 2020-06-19 | 重庆鼎工机电有限公司 | General engine capable of meeting use of large inclination angle |
| CN214741543U (en) * | 2021-03-19 | 2021-11-16 | 潍柴重机股份有限公司 | Marine diesel engine oil sump |
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Application publication date: 20220412 |
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