CN210858844U - Lubricating system, engine assembly and vehicle - Google Patents
Lubricating system, engine assembly and vehicle Download PDFInfo
- Publication number
- CN210858844U CN210858844U CN201921591989.2U CN201921591989U CN210858844U CN 210858844 U CN210858844 U CN 210858844U CN 201921591989 U CN201921591989 U CN 201921591989U CN 210858844 U CN210858844 U CN 210858844U
- Authority
- CN
- China
- Prior art keywords
- oil
- strainer
- oil pump
- main
- engine
- 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.)
- Active
Links
Images
Abstract
The utility model relates to an engine assembly technical field specifically discloses a lubricating system, engine assembly and vehicle, this lubricating system includes the host computer oil strainer, vice engine oil strainer and oil pump, the oil inlet of host computer oil strainer and the oil inlet of vice engine oil strainer all are connected with the oil pan, the input of oil pump is connected with host computer oil strainer and vice engine oil strainer respectively, the oil pump is configured to, when the oil pressure difference between the input of oil pump and the output is less than preset pressure differential, the oil pump can only communicate with vice engine oil strainer, thereby oil pump drive machine oil only gets into vice engine oil strainer, can fill up the machine oil in vice engine oil strainer fast, realize the quick pressure build-up of oil pump, can prevent that the oil pump from damaging. The engine assembly comprises the lubricating system, and the vehicle comprises the engine assembly.
Description
Technical Field
The utility model relates to an engine assembly technical field especially relates to a lubricating system and engine assembly and vehicle.
Background
For a heavy engine, when the engine is assembled and off-line for test run, because the interior of the engine oil strainer is a cavity, a certain pressure build-up time exists when the engine oil pump pumps oil so that the cavity in the engine oil strainer is filled with the engine oil, and if the engine oil pump fails to start for many times during test run, the engine oil pump is easy to dry grind due to repeated air suction so as to damage the engine oil pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: a lubrication system, an engine assembly and a vehicle are provided to enable an oil pump to build pressure quickly.
On one hand, the utility model provides a lubricating system, which comprises a main engine oil strainer, an auxiliary engine oil strainer and an engine oil pump, wherein an oil inlet of the main engine oil strainer and an oil inlet of the auxiliary engine oil strainer are both connected with an oil pan;
the input end of the oil pump is respectively connected with the main engine oil strainer and the auxiliary engine oil strainer, and the oil pump is configured to be communicated with the auxiliary engine oil strainer only when the oil pressure difference between the input end and the output end of the oil pump is smaller than a preset pressure difference.
As a preferable aspect of the lubricating system, the oil pump is further configured to be capable of simultaneously communicating with the secondary oil strainer and the primary oil strainer when an oil pressure difference between an input end and an output end of the oil pump is greater than or equal to the preset pressure difference.
As a preferred scheme of the lubricating system, an input end of the oil pump is communicated with the main oil strainer through a main oil inlet pipeline, an input end of the oil pump is further communicated with the auxiliary oil strainer through an auxiliary oil inlet pipeline, an output end of the oil pump can be communicated with a main oil duct, and the sum of the volume of an oil passing cavity inside the main oil strainer and the volume of the main oil inlet pipeline is larger than the sum of the volume of an oil passing cavity inside the auxiliary oil strainer and the volume of the auxiliary oil inlet pipeline.
As a preferable aspect of the lubricating system, the lubricating system further includes a check valve through which an output end of the oil pump communicates with the main gallery, the check valve being configured to allow only the oil to flow from the oil pump to the main gallery.
As a preferable scheme of the lubricating system, the lubricating system further includes an on-off control valve disposed in the main oil inlet pipeline, the on-off control valve is configured to open or disconnect the main oil inlet pipeline, and the on-off control valve opens the main oil inlet pipeline only when a pressure difference between an output end of the oil pump and an input end of the oil pump is greater than or equal to the preset pressure difference.
As a preferred scheme of the lubricating system, the switch control valve is a hydraulic control check valve, the hydraulic control check valve includes an oil inlet end, an oil outlet end and a control oil end, the hydraulic control check valve is connected in series to the main oil inlet pipeline through the oil inlet end and the oil outlet end, the oil inlet end and the oil outlet end are respectively communicated with the main machine oil strainer and the oil pump, and the control oil end is communicated with an output end of the oil pump.
As a preferable scheme of the lubricating system, the on-off control valve is an electromagnetic valve, and the lubricating system further includes a first pressure sensor and a second pressure sensor which are respectively used for testing the output end oil pressure and the input end oil pressure of the oil pump.
As a preferable scheme of the lubricating system, the oil pump is a two-stage oil pump.
In another aspect, the present invention provides an engine assembly including a lubrication system according to any one of the above aspects.
In another aspect, the present invention provides a vehicle including the engine assembly of the above-described aspect.
The utility model has the advantages that:
the utility model provides a lubricating system, this lubricating system includes: a main engine oil strainer, an auxiliary engine oil strainer and an engine oil pump. The oil pump is configured to be communicated with the auxiliary oil strainer only when the oil pressure difference between the input end and the output end of the oil pump is smaller than a preset pressure difference. Therefore, when the engine is started, the engine oil pump drives the engine oil to only enter the auxiliary engine oil strainer, the auxiliary engine oil strainer can be filled with the engine oil quickly, the quick pressure build-up of the engine oil pump is realized, the engine oil pump pressure build-up test device is particularly suitable for the test of the engine, and the damage to the engine oil pump can be prevented.
The utility model provides a vehicle, the lubricating system that its engine assembly adopted, including all host computer oil suction filter and the oily suction filter of auxiliary engine with the oil pump connection, when the engine started, the oil pump only followed oil absorption in the oily suction filter of auxiliary engine, can be very fast with the oil cavity of crossing in the oily suction filter of auxiliary engine and fill oil, can build the pressure fast, can prevent that the oil pump from damaging.
Drawings
Fig. 1 is a schematic structural diagram of a lubrication system according to an embodiment of the present invention;
in the figure:
1. a main engine oil strainer;
2. a secondary oil strainer;
3. an oil pump;
4. an oil pan;
5. a main oil inlet pipeline;
6. an auxiliary oil inlet pipeline;
7. a hydraulic control check valve; 71. an oil inlet end; 73. an oil outlet end; 72. controlling an oil end;
8. a one-way valve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The present embodiment provides a vehicle including an engine assembly including a lubricating system, as shown in fig. 1, the lubricating system includes a main oil strainer 1, a sub-oil strainer 2, and an oil pump 3, an oil inlet of the main oil strainer 1 and an oil inlet of the sub-oil strainer 2 are both connected to an oil pan 4, an input end of the oil pump 3 is connected to the main oil strainer 1 and the sub-oil strainer 2, respectively, and the oil pump 3 is configured such that the oil pump 3 can communicate with only the sub-oil strainer 2 when an oil pressure difference between the input end and the output end of the oil pump 3 is smaller than a preset pressure difference. When the engine is started, the oil pump 3 only absorbs oil from the auxiliary oil strainer 2, and compared with the oil pump 3 which absorbs oil from the auxiliary oil strainer 2 and the main oil strainer 1 at the same time, the oil passing cavity in the auxiliary oil strainer 2 can be filled with oil quickly, pressure can be built quickly, the oil pump 3 can be prevented from being damaged, and the reliability of the oil pump 3 can be improved.
Alternatively, the volume of the oil passage chamber inside the main oil strainer 1 is larger than the volume of the oil passage chamber inside the sub-oil strainer 2, so that the pressure build-up time of the oil pump 3 can be further shortened.
Alternatively, the oil pump 3 can communicate with both the secondary oil strainer 2 and the primary oil strainer 1 when the oil pressure difference between the input and output ends of the oil pump 3 is greater than or equal to a preset pressure difference. Therefore, after the pressure difference between the two ends of the engine oil pump 3 is established, the engine oil pump 3 can simultaneously absorb oil through the main engine oil strainer 1 and the auxiliary engine oil strainer 2, so that sufficient engine oil supply to the main oil duct of the engine can be ensured, and the normal lubrication of each part in the engine can be ensured. It should be noted that the oil pump 3 is a two-stage oil pump.
In this lubrication system, the oil pump 3, the main oil strainer 1, and the sub-oil strainer 2 may be integrally or separately provided, and in this embodiment, the oil pump 3, the main oil strainer 1, and the sub-oil strainer 2 are separately provided. Specifically, the input end of the oil pump 3 is communicated with the main oil strainer 1 through a main oil inlet pipeline 5, the input end of the oil pump 3 is further communicated with the auxiliary oil strainer 2 through an auxiliary oil inlet pipeline 6, the output end of the oil pump 3 can be communicated with the main oil duct, and the sum of the volume of an oil passing cavity inside the main oil strainer 1 and the volume of the main oil inlet pipeline 5 is larger than the sum of the volume of an oil passing cavity inside the auxiliary oil strainer 2 and the volume of the auxiliary oil inlet pipeline 6, so that when the engine is started, under the driving of the oil pump 3, the auxiliary oil strainer 2 and the auxiliary oil inlet pipeline 6 can be quickly filled with the oil, and the pressure build-up time of the oil pump 3 is shortened.
Optionally, the lubrication system further comprises a check valve 8, the output of the oil pump 3 being in communication with the main oil gallery through the check valve 8, the check valve 8 being configured to only allow oil to flow from the oil pump 3 to the main oil gallery.
Optionally, the lubricating system further includes an on-off control valve disposed in the main oil inlet pipeline 5, the on-off control valve is configured to open or disconnect the main oil inlet pipeline 5, and the on-off control valve opens the main oil inlet pipeline 5 only when a pressure difference between an output end of the oil pump 3 and an input end of the oil pump 3 is greater than or equal to a preset pressure difference. The on-off control of the main oil inlet pipeline 5 is realized by controlling the opening or closing of the switch control valve.
Specifically, in this embodiment, the switch control valve is a pilot operated check valve 7, and the pilot operated check valve 7 is a valve that can make the check valve reversely flow by controlling the fluid pressure, which is the prior art and the detailed structure thereof is not described herein again. The pilot-controlled check valve 7 comprises an oil inlet end 71, an oil outlet end 73 and a control oil end 72, the pilot-controlled check valve 7 is connected in series with the main oil inlet pipeline 5 through the oil inlet end 71 and the oil outlet end 73, the oil inlet end 71 and the oil outlet end 73 are respectively communicated with the main engine oil strainer 1 and the oil pump 3, and the control oil end 72 is communicated with the output end of the oil pump 3. The pilot operated check valve 7 has a first state in which the oil inlet port 71 and the oil outlet port 73 are disconnected and a second state in which the oil inlet port 71 and the oil outlet port 73 are communicated, the pilot operated check valve 7 is in the first state when a differential pressure between the pilot oil port 72 and the oil outlet port 73 is smaller than a preset differential pressure, and the pilot operated check valve 7 is in the second state when the differential pressure between the pilot oil port 72 and the oil outlet port 73 is greater than or equal to the preset differential pressure. When the engine is started, the pressure difference between the output end and the input end of the oil pump 3 is not established, at this time, the pressures of the output end and the input end of the oil pump 3 are equal or approximately equal, the pilot-controlled check valve 7 is in the first state, the oil pump 3 only sucks oil from the secondary oil strainer 2, along with the establishment of the pressures of the output end and the input end of the oil pump 3, the pressure of the output end of the oil pump 3 rises, namely the pressure of the control oil end 72 of the pilot-controlled check valve 7 rises, the pressure of the oil outlet end 73 of the pilot-controlled check valve 7 is equal to the pressure of the input end of the oil pump 3, when the pressure difference between the control oil end 72 and the oil outlet end 73 is greater than or equal to the preset pressure difference, the pilot-controlled check valve 7 is in the second state, at this time, the oil inlet. It is to be noted that the preset pressure difference may be set according to the type of the oil pump 3.
In other embodiments, the on-off control valve may also be an electromagnetic valve, and the lubrication system further includes a first pressure sensor and a second pressure sensor for testing the output oil pressure and the input oil pressure of the machine oil pump 3, respectively, and the electromagnetic valve opens the main oil inlet pipe 5 only when a difference between the second pressure sensor and the first pressure sensor is greater than or equal to a preset pressure difference.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A lubrication system, comprising: the oil pump comprises a main engine oil strainer (1), an auxiliary engine oil strainer (2) and an oil pump (3), wherein an oil inlet of the main engine oil strainer (1) and an oil inlet of the auxiliary engine oil strainer (2) are connected with an oil pan (4);
the input end of the oil pump (3) is respectively connected with the main engine oil strainer (1) and the auxiliary engine oil strainer (2), and the oil pump (3) is configured to be capable of communicating with the auxiliary engine oil strainer (2) only when the oil pressure difference between the input end and the output end of the oil pump (3) is smaller than a preset pressure difference.
2. The lubrication system according to claim 1, wherein the oil pump (3) is further configured such that the oil pump (3) can simultaneously communicate with the secondary oil strainer (2) and the primary oil strainer (1) when the oil pressure difference between the input and output of the oil pump (3) is greater than or equal to the preset pressure difference.
3. The lubrication system according to claim 2, wherein an input end of the oil pump (3) is in communication with the main oil strainer (1) through a main oil inlet line (5), an input end of the oil pump (3) is also in communication with the auxiliary oil strainer (2) through an auxiliary oil inlet line (6), an output end of the oil pump (3) is capable of being in communication with a main oil gallery, and a sum of a volume of a passage chamber inside the main oil strainer (1) and a volume of the main oil inlet line (5) is larger than a sum of a volume of a passage chamber inside the auxiliary oil strainer (2) and a volume of the auxiliary oil inlet line (6).
4. The lubrication system according to claim 3, further comprising a check valve (8), through which check valve (8) the output of the oil pump (3) communicates with the main oil gallery, the check valve (8) being configured to only allow oil to flow from the oil pump (3) to the main oil gallery.
5. The lubrication system according to claim 3, further comprising an on-off control valve disposed in the main oil feed line (5) for opening or shutting off the main oil feed line (5), and opening the main oil feed line (5) only when a pressure difference between an output of the oil pump (3) and an input of the oil pump (3) is greater than or equal to the preset pressure difference.
6. The lubrication system according to claim 5, wherein the on-off control valve is a pilot operated check valve (7), the pilot operated check valve (7) comprises an oil inlet end (71), an oil outlet end (73) and a control oil end (72), the pilot operated check valve (7) is connected in series to the main oil inlet pipeline (5) through the oil inlet end (71) and the oil outlet end (73), the oil inlet end (71) and the oil outlet end (73) are respectively communicated with the main machine oil strainer (1) and the oil pump (3), and the control oil end (72) is communicated with an output end of the oil pump (3).
7. The lubrication system according to claim 5, wherein the on-off control valve is a solenoid valve, the lubrication system further comprising a first pressure sensor and a second pressure sensor for testing an output oil pressure and an input oil pressure of the oil pump (3), respectively.
8. The lubrication system according to any of claims 1-7, wherein the oil pump (3) is a two-stage oil pump.
9. An engine assembly comprising the lubrication system of any one of claims 1-8.
10. A vehicle comprising the engine assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591989.2U CN210858844U (en) | 2019-09-23 | 2019-09-23 | Lubricating system, engine assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591989.2U CN210858844U (en) | 2019-09-23 | 2019-09-23 | Lubricating system, engine assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210858844U true CN210858844U (en) | 2020-06-26 |
Family
ID=71290353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921591989.2U Active CN210858844U (en) | 2019-09-23 | 2019-09-23 | Lubricating system, engine assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210858844U (en) |
-
2019
- 2019-09-23 CN CN201921591989.2U patent/CN210858844U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102900715B (en) | Hydraulic control system for forklift, and forklift | |
| CA2650088A1 (en) | Lubrication system and method, and vortex flow separator for use therewith | |
| CN108136707B (en) | Electrohydraulic drive unit | |
| DK2483560T3 (en) | Pump to pressure | |
| CN104989654A (en) | Oil-free rotary vane vacuum type self-priming centrifugal pump and use method thereof | |
| CN105240519A (en) | Transmission for a motor vehicle | |
| CN210858844U (en) | Lubricating system, engine assembly and vehicle | |
| CN104279164A (en) | Drive clutch self-priming device | |
| CN103629170A (en) | Engineering machine stabilized-pressure oil tank device | |
| CN103052802A (en) | Valve arrangement, connection plate for a hydrostatic piston machine, and hydrostatic piston machine | |
| CN106762874B (en) | Hydraulic motor drainage pressure control device and method | |
| CN105179350B (en) | Valve block assembly of three-way type lifting hydraulic system for dump truck | |
| CN104578534A (en) | Submersible motor exhausting and water supplementing system applied to deep well | |
| CN207278732U (en) | A kind of automatic clutch fluid pressure type operating mechanism | |
| RU2504691C2 (en) | Electrohydraulic borehole unit | |
| CN208831120U (en) | A kind of fuel tank inlet port control device and fuel tank | |
| CN113002504A (en) | Hydraulic retarder control device and control method based on switch type electromagnetic valve | |
| US20030019690A1 (en) | Gas and oil suction system and method | |
| CN206655849U (en) | Hydraulic motor drainage pressure control device | |
| CN109177953A (en) | A kind of controller and control method reducing energy consumption | |
| CN201050391Y (en) | Double pressure-limiting valve engine oil pump | |
| CN109177954A (en) | A kind of controller and control method reducing negative pressure system energy consumption | |
| CN104110337B (en) | Automatic exhaust diesel filtering base | |
| CN106342139B (en) | A kind of main reducing gear emergency lubrication device | |
| CN109139176A (en) | A kind of control pressurer system based on fixed displacement lubricating oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |