CN104533585A - Engine exhaust pipeline structure - Google Patents
Engine exhaust pipeline structure Download PDFInfo
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- CN104533585A CN104533585A CN201410788370.6A CN201410788370A CN104533585A CN 104533585 A CN104533585 A CN 104533585A CN 201410788370 A CN201410788370 A CN 201410788370A CN 104533585 A CN104533585 A CN 104533585A
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- pipe
- exhaust
- pipeline structure
- exhaust pipeline
- engine exhaust
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Abstract
The invention discloses an engine exhaust pipeline structure. The engine exhaust pipeline structure comprises a first exhaust pipe and a second exhaust pipe which are arranged side by side. The first exhaust pipe is formed by connecting a first inlet pipe, first module pipes and at least one first pipe set in sequence. The second exhaust pipe is formed by connecting a second inlet pipe and at least one second pipe set in sequence. The first inlet pipe, the first module pipe and the second inlet pipe are correspondingly arranged. The first pipe set and the second pipe set are correspondingly arranged. By means of the structure, the modular design is carried out on the first exhaust pipe and the second exhaust pipe, a segmented arrangement form of various cylinder exhaust pipes is presented, and the engine exhaust pipeline structure is simpler, more reasonable and more attractive in appearance. Meanwhile, the casting difficulty can be obviously lowered through the modular design of the cylinder exhaust pipes, the exhaust pipeline transition is smoother, the yield of castings is increased, and the assembling technology is improved.
Description
Technical field
The invention belongs to technical field of engines, be specifically related to a kind of Engine exhaust pipeline structure.
Background technique
Exhaust gas turbocharge exhaust mode is the most frequently used supercharging mode of current motor, but due to situations such as number of engine cylinders, ignition order and different application, usually exhaust gas turbocharge arrangement is divided into level pressure turbosupercharging and pulse turbocharging.Current most of marine engine practical application is longer in the low speed and load operating mode time, and under this operating mode, the exhaust energy of motor is less, and the rotating speed of turbosupercharger is lower, booster response is poor, and under causing this operating mode of motor, moment of torsion is lower.But, for most of ship machine, promote low-speed big and be extremely necessary, and the appropriate design of vent systems is effective one of mode improving low speed torque.
With regard to pulse turbocharging, according to each cylinder ignition order of motor, every three cylinders share an outlet pipe, then receive exhaust-gas turbocharger.The patent No. is ZL201010542038.3, and outlet pipe disclosed in the utility model patent that name is called a kind of eight cylinder diesel pulse pressure-charging outlet pipes, comprises exhaust manifold and exhaust branch pipe, and described exhaust manifold and exhaust branch pipe are wall pipe altogether.The patent No. is ZL201320617449.3, name is called a kind of disclosure of the invention of pulse pressure-charging outlet pipe of Marine V Type motor outlet pipe, comprise and be installed together downtake pipe body and second exhaust pipe body, described downtake pipe body comprises downtake pipe main line, described downtake pipe main line is provided with at least two downtake pipe bye-passes, described second exhaust pipe body comprises and being wholely set and the second exhaust pipe main line be not connected and the 3rd outlet pipe main line, described second exhaust pipe main line is provided with at least two second exhaust pipe bye-passes, described 3rd outlet pipe main line is communicated with described downtake pipe main line.All there is employing cast inblock or be welded in above two patents, gas exhaust piping integration degree is high, complex structure, casts or weld difficulty greatly, the more high deficiency of product disqualification rate.
Summary of the invention
For solving above technical problem, the invention provides a kind of easy to process, low cost of manufacture, linking intensity are good, the Engine exhaust pipeline structure of long service life.
Its technological scheme is as follows:
A kind of Engine exhaust pipeline structure, comprise the downtake pipe (1) and second exhaust pipe (2) that are arranged side by side, its main points are: described downtake pipe (1) is by the first inlet tube (3), first module tubes (4) and at least one the first pipe group (5) are connected in sequence, described second exhaust pipe (2) is connected in sequence by the second inlet tube (6) and at least one the second pipe group (8), wherein said first inlet tube (3), first module tubes (4) and the second inlet tube (6) correspondence are arranged, described first pipe group (5) and the second pipe group (8) correspondence are arranged.Adopt above structure, carried out modular design to downtake pipe and second exhaust pipe, make it be each cylinder outlet pipe segmented setting type, advantages of simple more, outward appearance is more excellent.Each cylinder outlet pipe modular design simultaneously can reduce casting difficulty significantly, and gas exhaust piping transition is more level and smooth, increases casting qualified rate, improves assembly technology.
As preferably: described first pipe group (5) is connected in sequence by the first connecting tube (9) and two described first module tubes (4), be namely that this first pipe group adopts modular design, connect convenient, assembling easily.
As preferably: described second pipe group (8) is connected in sequence by two second module tubes (10) and described second connecting tube (11), two described second module tubes (10) are corresponding with described first connecting tube (9) to be arranged, described second connecting tube (11) is corresponding with two described first module tubes (4) to be arranged, this the second pipe group adopts modular design, connect convenient, arrange because two described second module tubes are corresponding with described first connecting tube, described second connecting tube is corresponding with two described first module tubes to be arranged, thus assembling is more prone to rationally.
As preferably: described first module tubes (4) is made up of the first pipe joint (41) and the first outer pipe (42), wherein the first outer pipe (42) is connected to the middle part of described first pipe joint (41), the outlet-inclined impeller vane of this first outer pipe (42) is downward, so better can realize the connection with cylinder.
As preferably: described second module tubes (10) is made up of the second pipe joint (101) and the second outer pipe (102), wherein the second outer pipe (102) is connected to the middle part of described second pipe joint (101), the outlet-inclined impeller vane of this second outer pipe (102) upwards, so better can realize the connection with cylinder.
As preferably: adjacent described first inlet tube (3), all connected by bellows (7) between first connecting tube (9) and the first pipe joint (41), adjacent described second inlet tube (6), all connected by bellows (7) between second pipe joint (101) and the second connecting tube (11), adopt above structure, former outlet pipe easily produces to arrogate to oneself and shakes in engine working process, thus add the vibration of motor, and the present invention increases metal bellows in each cylinder connection place of gas exhaust piping, improve the linking intensity of each cylinder of gas exhaust piping, reduce arrogating to oneself of exhaust to shake, decrease the interference of vibration to exhaust, exhaust steady and smooth.
Beneficial effect: be optimized design to the profile of gas exhaust piping, makes its setting type advantages of simple, reduces the casting difficulty of outlet pipe, improve its casting up-to-standard rate, add the linking intensity of gas exhaust piping, improve the exhaust effect of diesel engine, add the aesthetic property of its outward appearance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
A kind of Engine exhaust pipeline structure as shown in Figure 1, comprise the downtake pipe 1 and second exhaust pipe 2 that are arranged side by side, described downtake pipe 1 is by the first inlet tube 3, first module tubes 4 and at least one first pipe group 5 are connected in sequence, described first pipe group 5 is connected in sequence by the first connecting tube 9 and two described first module tubes 4, described second exhaust pipe 2 is connected in sequence by the second inlet tube 6 and at least one second pipe group 8, described second pipe group 8 is connected in sequence by two second module tubes 10 and described second connecting tube 11, two described second module tubes 10 are corresponding with described first connecting tube 9 to be arranged, described second connecting tube 11 is corresponding with two described first module tubes 4 to be arranged, wherein said first inlet tube 3, first module tubes 4 and the second inlet tube 6 correspondence are arranged, described first pipe group 5 and the second pipe group 8 correspondence are arranged.
Refer to Fig. 1: described first module tubes 4 is made up of the first pipe joint 41 and the first outer pipe 42, wherein the first outer pipe 42 is connected to the middle part of described first pipe joint 41, the outlet-inclined impeller vane of this first outer pipe 42 is downward, described second module tubes 10 is made up of the second pipe joint 101 and the second outer pipe 102, wherein the second outer pipe 102 is connected to the middle part of described second pipe joint 101, and the outlet-inclined impeller vane of this second outer pipe 102 upwards.
It can also be seen that in FIG: all connected by bellows 7 between adjacent described first inlet tube 3, first connecting tube 9 and the first pipe joint 41, all connected by bellows 7 between adjacent described second inlet tube 6, second pipe joint 101 and the second connecting tube 11.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but meet the most wide range consistent with principle disclosed herein and features of novelty.
Claims (6)
1. an Engine exhaust pipeline structure, comprise the downtake pipe (1) and second exhaust pipe (2) that are arranged side by side, it is characterized in that: described downtake pipe (1) is by the first inlet tube (3), first module tubes (4) and at least one the first pipe group (5) are connected in sequence, described second exhaust pipe (2) is connected in sequence by the second inlet tube (6) and at least one the second pipe group (8), wherein said first inlet tube (3), first module tubes (4) and the second inlet tube (6) correspondence are arranged, described first pipe group (5) and the second pipe group (8) correspondence are arranged.
2. a kind of Engine exhaust pipeline structure according to claim 1, is characterized in that: described first pipe group (5) is connected in sequence by the first connecting tube (9) and two described first module tubes (4).
3. a kind of Engine exhaust pipeline structure according to claim 2, it is characterized in that: described second pipe group (8) is connected in sequence by two second module tubes (10) and described second connecting tube (11), two described second module tubes (10) are corresponding with described first connecting tube (9) to be arranged, and described second connecting tube (11) is corresponding with two described first module tubes (4) to be arranged.
4. a kind of Engine exhaust pipeline structure according to claim 3, it is characterized in that: described first module tubes (4) is made up of the first pipe joint (41) and the first outer pipe (42), wherein the first outer pipe (42) is connected to the middle part of described first pipe joint (41), and the outlet-inclined impeller vane of this first outer pipe (42) is downward.
5. a kind of Engine exhaust pipeline structure according to claim 3, it is characterized in that: described second module tubes (10) is made up of the second pipe joint (101) and the second outer pipe (102), wherein the second outer pipe (102) is connected to the middle part of described second pipe joint (101), and the outlet-inclined impeller vane of this second outer pipe (102) upwards.
6. a kind of Engine exhaust pipeline structure according to claim 4,5, it is characterized in that: adjacent described first inlet tube (3), all to be connected by bellows (7) between the first connecting tube (9) and the first pipe joint (41), adjacent described second inlet tube (6), all to be connected by bellows (7) between the second pipe joint (101) and the second connecting tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788370.6A CN104533585A (en) | 2014-12-18 | 2014-12-18 | Engine exhaust pipeline structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788370.6A CN104533585A (en) | 2014-12-18 | 2014-12-18 | Engine exhaust pipeline structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533585A true CN104533585A (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410788370.6A Pending CN104533585A (en) | 2014-12-18 | 2014-12-18 | Engine exhaust pipeline structure |
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| CN (1) | CN104533585A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257374A (en) * | 2015-10-02 | 2016-01-20 | 李军 | Engine exhaust device and technique thereof |
-
2014
- 2014-12-18 CN CN201410788370.6A patent/CN104533585A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257374A (en) * | 2015-10-02 | 2016-01-20 | 李军 | Engine exhaust device and technique thereof |
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Application publication date: 20150422 |