CN109372670A - A kind of integrated form pipeline and a kind of engine - Google Patents
A kind of integrated form pipeline and a kind of engine Download PDFInfo
- Publication number
- CN109372670A CN109372670A CN201811570510.7A CN201811570510A CN109372670A CN 109372670 A CN109372670 A CN 109372670A CN 201811570510 A CN201811570510 A CN 201811570510A CN 109372670 A CN109372670 A CN 109372670A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- fuel oil
- inlet pipe
- pipe
- runner
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of integrated form pipelines; for engine; including air inlet pipe, high-pressure common-rail pipe and protective cover upper cover; the high-pressure common-rail pipe is mounted on the upper top surface in the outside of the air inlet pipe, and the protective cover upper cover is connected to the air inlet pipe top and forms the confined space for accommodating the high-pressure common-rail pipe with the air inlet pipe.It can be seen that; high-pressure common-rail pipe is directly installed on top surface in the air inlet pipe of engine by the present invention; and by air inlet pipe together with the protective cover upper cover Integrated design of high-pressure common-rail pipe; amount of parts can thus be greatly reduced; save the cost; keep engine complete machine structure more compact, meanwhile, easily facilitate the repair and replacement of high-pressure common-rail pipe.The invention also discloses a kind of engines including above-mentioned integrated form pipeline.
Description
Technical field
The present invention relates to engine pipelines placement technique field more particularly to a kind of integrated form pipelines and a kind of engine.
Background technique
According to the requirement of regulation, the high-pressure common-rail pipe on marine engine must use protective cover, to guarantee that height is occurring
When pressing common rail tracheal rupture or the failures such as high pressure fuel leak occur, high pressure fuel or the components fragment of other ruptures etc. can
It is closed in protective cover, in order to avoid personnel or other equipment are damaged.
Existing high-pressure common-rail pipe is mounted in individual high-pressure common rail shroud.For the ease of installing and meeting high pressure fuel
The requirement of sealing, common rail cover are generally made of two housings.High-pressure common-rail pipe is fixed on common rail cover rear cover by bolt etc.
On.Common rail cover front cover, common rail cover rear cover constitute confined space, by common rail cover rear cover integral installation to engine.
High-pressure common-rail pipe in the prior art needs to have front cover and rear cover the two parts to form closed installation space,
Components are more, cause engine complete machine structure not compact enough, and integrated level is low, at high cost, and components disassembly is difficult, is not easy to more
It changes, repair.
Therefore, how to make engine complete machine structure more compact, be the technology that those skilled in the art need to solve at present
Problem.
Summary of the invention
In view of this, for reducing amount of parts, making to start the purpose of the present invention is to provide a kind of integrated form pipeline
Machine complete machine structure is more compact.It is a further object to provide a kind of engines.
To achieve the goals above, the present invention provides the following technical scheme that
A kind of integrated form pipeline is used for engine, including air inlet pipe, high-pressure common-rail pipe and protective cover upper cover, the high pressure
Common rail pipe is mounted on the upper top surface in the outside of the air inlet pipe, and the protective cover upper cover is connected to the air inlet pipe top simultaneously
And the confined space for accommodating the high-pressure common-rail pipe is formed with the air inlet pipe.
Preferably, the upper top surface of the air inlet pipe is equipped with the first fuel oil and empties runner, and the first fuel oil emptying runner connects
It is connected to leak sensor.
Preferably, the side of the air inlet pipe is equipped with arranges with the second fuel oil being connected on the downside of first fuel oil emptying runner
Empty runner, the leak sensor are set to the side wall of the second fuel oil emptying runner, and the second fuel oil emptying runner is also
It is communicated with the fuel oil emptying pipeline being located above the leak sensor.
Preferably, the lower end of the second fuel oil emptying runner is equipped with dismountable first plug.
Preferably, the side of the air inlet pipe, which is equipped with, is located above the leak sensor and empties with second fuel oil
The third fuel oil of runner connection empties runner, and the outlet of the third fuel oil emptying runner is equipped with the second plug, and described second is stifled
Head is connected to fuel oil emptying pipeline.
Preferably, second plug is hollow screw plug with holes.
Preferably, the inner cavity of the air inlet pipe include along airintake direction with the protective cover upper cover corresponding first into
Gas section is less than institute with subsequent second air inlet section of first air inlet section, the height of the cross section of first air inlet section is connected to
State the height of the cross section of the second air inlet section, the cross-sectional area of the cross-sectional area of first air inlet section and second air inlet section
It is equal.
Preferably, the upper top surface of the air inlet pipe is equipped with multiple a pair of with multiple installation sites one of the high-pressure common-rail pipe
The evacuation pit answered.
Integrated form pipeline provided by the invention is used for engine, including air inlet pipe, high-pressure common-rail pipe and protective cover upper cover,
The high-pressure common-rail pipe is mounted on the upper top surface in the outside of the air inlet pipe, and the protective cover upper cover is connected to the air inlet
Pipe top and the confined space that the receiving high-pressure common-rail pipe is formed with the air inlet pipe.As it can be seen that the present invention is by high-pressure common rail
Pipe is directly installed on top surface in the air inlet pipe of engine, and by the protective cover upper cover Integrated design of air inlet pipe and high-pressure common-rail pipe
Together, amount of parts can thus be greatly reduced, save the cost keeps engine complete machine structure more compact, meanwhile, more
Add the repair and replacement convenient for high-pressure common-rail pipe.
The present invention also provides a kind of engines including above-mentioned integrated form pipeline.The beneficial effect that the engine generates
Derivation process and the derivation process of above-mentioned integrated form pipeline bring beneficial effect are substantially similar, and therefore, this article will not repeat them here.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the integrated form pipeline decomposition diagram in the specific embodiment of the invention；
Fig. 2 is the air feeder structure schematic diagram in the specific embodiment of the invention；
Fig. 3 is the air inlet pipe forward direction cross-sectional view in the specific embodiment of the invention；
Fig. 4 is the air inlet pipe forward direction partial sectional view in the specific embodiment of the invention；
Fig. 5 is the air inlet pipe three-dimensional cutaway view in the specific embodiment of the invention；
Fig. 6 is the air inlet pipe partial sectional perspective view in the specific embodiment of the invention；
Fig. 7 is the top view of the air inlet pipe in the specific embodiment of the invention；
Fig. 8 is the first segment cross-sectional view of the air inlet pipe in the specific embodiment of the invention；
Fig. 9 is the second segment cross-sectional view of the air inlet pipe in the specific embodiment of the invention；
Figure 10 is the third section cross-sectional view of the air inlet pipe in the specific embodiment of the invention；
Figure 11 is the second stopper structure schematic diagram in the specific embodiment of the invention；
Figure 12 is the second plug longitudinal sectional view in the specific embodiment of the invention.
Fig. 1 is into Figure 12:
1- air inlet pipe, 2- high-pressure common-rail pipe, 3- protective cover upper cover, the first fuel oil of 11- emptying runner, the second fuel oil of 12- row
Empty runner, 13- third fuel oil empty runner, the second plug of 14-, 141- through-hole, 15- leak sensor, the first plug of 16-, 17-
Avoid pit, 18- air inlet pressure sensor mounting hole, 19- intake air temperature sensor mounting hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 to Figure 12 is please referred to, the present invention provides a kind of integrated form pipelines, are used for engine, including air inlet pipe 1, height
Pressure common rail pipe 2 and protective cover upper cover 3, high-pressure common-rail pipe 2 are mounted on the upper top surface in the outside of air inlet pipe 1, protective cover upper cover 3
It is connected to 1 top of air inlet pipe and forms the confined space for accommodating high-pressure common-rail pipe 2 with air inlet pipe 1.As it can be seen that the present invention is by high pressure
Common rail pipe 2 is directly installed on top surface in the air inlet pipe 1 of engine, and by the protective cover upper cover of air inlet pipe 1 and high-pressure common-rail pipe 2
3 Integrated designs together, can thus greatly reduce amount of parts, and save the cost steps up engine complete machine structure more
It gathers, meanwhile, easily facilitate the repair and replacement of high-pressure common-rail pipe.
Fig. 1 is please referred to, the assembly effect of the integrated form pipeline in this programme is as follows, high-pressure common-rail pipe 2 and high-pressure oil pipe collection
At being mounted in air inlet pipe 1, lower cover of the upper top surface of air inlet pipe 1 as high-pressure common-rail pipe protective cover, high-pressure common-rail pipe 2 passes through spiral shell
The connectors such as bolt are mounted on above air inlet pipe 1, and air inlet pipe 1 and protective cover upper cover 3 form confined space, to close high-pressure common rail
Pipe 2.
Marine engine needs to monitor the use and leakage situation of high-pressure common rail guard system in common rail protective cover at any time, once
High-pressure common rail guard system occurs leakage and needs to sound an alarm in time.Also, the fuel oil in high-pressure common rail guard system is high pressure, therefore
Leakage rate is very fast.For the sake of security, the fuel oil of leakage needs to export to as early as possible in safe environment, makes it away from work
The engine of state.Therefore, this programme devises high pressure fuel leak while air inlet pipe integrated high voltage common rail pipe protective cover
Alarm, the discharge of leakage fuel oil, leakage fuel oil empty function.
Preferably, the upper top surface of air inlet pipe 1 is equipped with the first fuel oil and empties runner 11, and the first fuel oil emptying runner 11 is connected with
Leak sensor 15.When high-pressure common-rail pipe 2 leaks, leakage fuel oil can be discharged in the first fuel oil emptying runner 11, therewith
Connected leak sensor 15 can then detect this failure of fuel leakage, and be that electric signal notifies operator by Conversion fault
Member.
As shown in Figure 4 and Figure 6, it is preferable that the side of air inlet pipe 1 is equipped with to be connected to on the downside of the first fuel oil emptying runner 11
Second fuel oil empties runner 12, and leak sensor 15 is set to the side wall of the second fuel oil emptying runner 12, the second fuel oil evacuation flow
Road 12 is also communicated with the emptying pipeline of the fuel oil above leak sensor 15.When high-pressure common-rail pipe 2 leaks, leakage combustion
Oil can flow in the second fuel oil emptying runner 12 by the first fuel oil emptying runner 11, be located at the second fuel oil and empty 12 side wall of runner
Leak sensor 15 can detect this failure of fuel leakage first, and failure alarm signal is issued, with quantity of fuel leakage
Increasing, then empty pipeline by being located at the fuel oil of the top of leak sensor 15 exports to safe position to excessive fuel oil, makes
Fuel oil is far from engine.
Preferably, the lower end of the second fuel oil emptying runner 12 is equipped with dismountable first plug 16.As shown in Figure 4 and Figure 6,
The lower end that second fuel oil empties runner 12 is that the fuel oil that all connections are got up empties the least significant end of runner, in the position of the least significant end
It is provided with dismountable first plug 16.In normal state, the first plug 16 is mounted in air inlet pipe, in this way, leakage
Fuel oil can be collected at fuel oil emptying runner in, be also convenient for leakage alarm 15 carry out fuel leakage failure detection alarm, just
It is the appearance for being not allow for fuel leakage to air inlet pipe 1 under normal state, in maintenance downtime, first plug 16 that can dismantle will
The fuel oil thorough cleaning of leakage is walked, so that so that air inlet pipe 1 is integrated with leakage fuel oil empties function.
Preferably, the side of air inlet pipe 1, which is equipped with, is located at 15 top of leak sensor and connects with the second fuel oil emptying runner 12
Logical third fuel oil empties runner 13, and the outlet that third fuel oil empties runner 13 is equipped with the second plug 14, the second plug 14 and combustion
Oil emptying pipeline connection.Specifically, design has the first fuel oil emptying runner 11, the second fuel oil emptying runner 12, the in air inlet pipe 1
Three fuel oils empty runner 13, the first fuel oil empty runner 11 be air inlet pipe 1 on receiving high-pressure common-rail pipe 2 confined space most
Lower curtate position, the fuel oil leaked in this way will gather the first fuel oil emptying runner 11, then flow through the second fuel oil emptying runner 12
It is emptied at runner 13 and leak sensor 15 and the first plug 16 to third fuel oil.With the increasing of quantity of fuel leakage, excessively
Fuel oil runner 13 and the second plug 14 emptied by third fuel oil export to safe position, make fuel oil far from engine.Tool
Body, the second plug 2 is hollow screw plug with holes, as shown in figure 12, through-hole 141 is equipped among screw plug, through-hole 141 can be for combustion
Oil stream empties pipeline to fuel oil.
Intake uniformity in admission space and air inlet pipe 1 in order to guarantee each section of air inlet pipe 1, this programme is to air inlet pipe 1
Using section of different shapes.Fig. 7 is please referred to Figure 10, it is preferable that the inner cavity of air inlet pipe 1 include along airintake direction with
The corresponding first air inlet section L1 of protective cover upper cover 3 and it is connected to the subsequent second air inlet section L2 of the first air inlet section L1, the first air inlet
The height of cross section of the height less than the second air inlet section L2 of the cross section of section L1, the cross-sectional area and second of the first air inlet section L1
The cross-sectional area of air inlet section L2 is equal.Specifically, the inner cavity of air inlet pipe 1 is further including being connected to the second air inlet along airintake direction
The section subsequent third air inlet section L3 of L2, the part air inlet pipe first segment L1 shown in Fig. 7, using rectangular cross-sectional as shown in Figure 8
Face；The part second segment L2 shown in Fig. 7, using rectangle (square) cross section as shown in Figure 9；Third shown in Fig. 7
The part section L3, using odd-shaped cross section as shown in Figure 10.Wherein, this two-part Cross section area of airway of L1 and L2 is equal,
Guarantee intake uniformity, meets the air inlet demand of engine.The cross section of this part L3 is the smaller the better, preferably to be just placed into
Air pressure force snesor and intake air temperature sensor preferably, in Figure 10 show the air inlet pressure sensor mounting hole in air inlet pipe 1
18 and intake air temperature sensor mounting hole 19.
In order to guarantee the installation and removal of high-pressure common-rail pipe 2, this programme has carried out evacuation design to air inlet pipe 1, such as Fig. 7 institute
Show, the upper top surface of air inlet pipe 1 is equipped with multiple and high-pressure common-rail pipe 2 multiple installation sites and avoids pit 17 correspondingly.
The invention has the following advantages:
(1) this programme is integrated with high-pressure common-rail pipe protective cover in air inlet pipe 1, saves components, and save the cost makes to start
Machine complete machine structure is more compact；
(2) be integrated in the air inlet pipe of this programme fuel leakage alarm, leakage fuel oil discharge, leakage fuel oil empty function,
Improve safety in utilization；
(3) the protective cover upper cover of high-pressure common-rail pipe and high-pressure common-rail pipe is integrated and is placed at the top of air inlet pipe by this programme,
It is easy to disassemble, it is convenient for changing and repairs；
(4) air inlet pipe air flue is designed using variable cross-section, guarantees air inlet pipe volume, meets the needs of air input of engine by air.
The present invention also provides a kind of engines including above-mentioned integrated form pipeline.The beneficial effect that the engine generates
Derivation process and the derivation process of above-mentioned integrated form pipeline bring beneficial effect are substantially similar, and therefore, this article will not repeat them here.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of integrated form pipeline is used for engine, which is characterized in that including air inlet pipe (1), high-pressure common-rail pipe (2) and protection
Cover upper cover (3), the high-pressure common-rail pipe (2) are mounted on the upper top surface in the outside of the air inlet pipe (1), on the protective cover
Lid (3), which is connected to the air inlet pipe (1) top and is formed with the air inlet pipe (1), accommodates the close of the high-pressure common-rail pipe (2)
Close space.
2. integrated form pipeline according to claim 1, which is characterized in that the upper top surface of the air inlet pipe (1) is equipped with first
Fuel oil empties runner (11), and the first fuel oil emptying runner (11) is connected with leak sensor (15).
3. integrated form pipeline according to claim 2, which is characterized in that the side of the air inlet pipe (1) be equipped with it is described
First fuel oil empties the second fuel oil being connected on the downside of runner (11) and empties runner (12), and the leak sensor (15) is set to institute
The side wall of the second fuel oil emptying runner (12) is stated, the second fuel oil emptying runner (12) is also communicated with to be sensed positioned at the leakage
Fuel oil above device (15) empties pipeline.
4. integrated form pipeline according to claim 3, which is characterized in that the lower end of the second fuel oil emptying runner (12)
Equipped with dismountable first plug (16).
5. integrated form pipeline according to claim 3, which is characterized in that the side of the air inlet pipe (1), which is equipped with, is located at institute
Third fuel oil emptying runner (13) stated above leak sensor (15) and be connected to second fuel oil emptying runner (12), institute
The outlet for stating third fuel oil emptying runner (13) is equipped with the second plug (14), second plug (14) and the fuel oil evacuated tube
Road connection.
6. integrated form pipeline according to claim 5, which is characterized in that second plug (14) is hollow spiral shell with holes
It is stifled.
7. integrated form pipeline according to claim 1, which is characterized in that the inner cavity of the air inlet pipe (1) is along air inlet side
Include upwards the first air inlet section corresponding with protective cover upper cover (13) and is connected to first air inlet section subsequent second
Air inlet section, the height of the cross section of first air inlet section are less than the height of the cross section of second air inlet section, and described first
The cross-sectional area of air inlet section is equal with the cross-sectional area of second air inlet section.
8. integrated form pipeline according to claim 1, which is characterized in that the upper top surface of the air inlet pipe (1) is equipped with multiple
Pit (17) are avoided correspondingly with multiple installation sites of the high-pressure common-rail pipe (2).
9. a kind of engine, which is characterized in that including integrated form pipeline such as described in any item of the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570510.7A CN109372670B (en) | 2018-12-21 | 2018-12-21 | Integrated pipeline and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570510.7A CN109372670B (en) | 2018-12-21 | 2018-12-21 | Integrated pipeline and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109372670A true CN109372670A (en) | 2019-02-22 |
| CN109372670B CN109372670B (en) | 2023-09-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811570510.7A Active CN109372670B (en) | 2018-12-21 | 2018-12-21 | Integrated pipeline and engine |
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| CN (1) | CN109372670B (en) |
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| Publication number | Publication date |
|---|---|
| CN109372670B (en) | 2023-09-19 |
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