CN211950642U - Exhaust pipeline and engine - Google Patents
Exhaust pipeline and engine Download PDFInfo
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- CN211950642U CN211950642U CN202020468223.1U CN202020468223U CN211950642U CN 211950642 U CN211950642 U CN 211950642U CN 202020468223 U CN202020468223 U CN 202020468223U CN 211950642 U CN211950642 U CN 211950642U
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- pipe
- engine
- exhaust
- fixedly connected
- corrugated pipe
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Abstract
The utility model discloses an exhaust pipe and engine belongs to the exhaust technology field. The exhaust line includes: a corrugated pipe and a flow guide pipe; the first end of the corrugated pipe is fixedly connected with the engine turbocharger, and the second end of the corrugated pipe is fixedly connected with the exhaust pipe; the flow guide pipe is arranged in the corrugated pipe; the first end of the flow guide pipe is communicated with an air outlet of the engine turbocharger, and the second end of the flow guide pipe is communicated with the exhaust pipe; the honeycomb duct is conical, and the diameter of the first end of the honeycomb duct is smaller than that of the second end of the honeycomb duct. The utility model discloses exhaust pipe and engine reduce exhaust air current resistance, effectively protect the bellows simultaneously not receive the impact of engine high-pressure gas, and the bellows is not fragile.
Description
Technical Field
The utility model relates to an exhaust technical field, in particular to exhaust pipe and engine.
Background
In the design process of an exhaust pipeline of a high-power engine (the power is more than 900 kW), a soft connection is required to be arranged at the outlet of a turbocharger of the engine based on the damping requirement, so that the engine is prevented from being damaged due to the vibration of the exhaust pipeline with a hard connection.
Typically, a bellows is attached to the turbocharger outlet of the engine. However, if the bellows is directly installed, since the corrugated protrusions and grooves in the bellows are directly contacted with the high pressure gas, the high pressure gas discharged from the turbocharger may impact the inside of the bellows, thereby causing rupture damage of the bellows.
SUMMERY OF THE UTILITY MODEL
The utility model provides an exhaust pipe and engine has solved or the part has solved among the prior art high-pressure gas that turbo charger got rid of can lead to the fact the impact to the bellows is inside to cause the technical problem of the fracture damage of bellows.
In order to solve the technical problem, the utility model provides an exhaust pipeline sets up between blast pipe and engine turbo charger, exhaust pipeline includes: a corrugated pipe and a flow guide pipe; the first end of the corrugated pipe is fixedly connected with the engine turbocharger, and the second end of the corrugated pipe is fixedly connected with the exhaust pipe; the flow guide pipe is arranged in the corrugated pipe; the first end of the flow guide pipe is communicated with an air outlet of the engine turbocharger, and the second end of the flow guide pipe is communicated with the exhaust pipe; the honeycomb duct is conical, and the diameter of the first end of the honeycomb duct is smaller than that of the second end of the honeycomb duct.
Furthermore, a connecting ring is fixedly arranged at the first end of the flow guide pipe.
Further, the diameter of the connecting ring is larger than the diameter of the first end of the draft tube.
Further, a first mounting flange is fixedly arranged on the end face, facing the corrugated pipe, of the engine turbocharger; the first end of the corrugated pipe is fixedly connected with the first mounting flange.
Further, the first mounting flange is fixedly connected with the engine turbocharger through a first mounting bolt.
Furthermore, a second mounting flange is fixedly arranged on the end face, facing the corrugated pipe, of the exhaust pipe; and the second end of the corrugated pipe is fixedly connected with the second mounting flange.
Further, the second mounting flange is fixedly connected with the exhaust pipe through a second mounting bolt.
The utility model also provides an engine, include the exhaust pipe.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the first end of the corrugated pipe is fixedly connected with the turbocharger of the engine, the second end of the corrugated pipe is fixedly connected with the exhaust pipe, the guide pipe is arranged in the corrugated pipe, the first end of the guide pipe is communicated with the air outlet of the turbocharger of the engine, and the second end of the guide pipe is communicated with the exhaust pipe, high-pressure gas exhausted by the turbocharger of the engine enters the exhaust pipe through the guide pipe to be exhausted, the corrugated pipe is effectively protected from being impacted by high-pressure gas of the engine, the corrugated pipe is not easy to damage, the service life of the corrugated pipe is ensured, because the guide pipe is conical, the diameter of the first end of the guide pipe is smaller than that of the second end of the guide pipe, the high-pressure gas exhausted by the turbocharger of the engine enters from the first end of the guide pipe and is exhausted from, the economy is ensured, and meanwhile, the reduction of the dynamic property is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust pipeline provided in an embodiment of the present invention;
fig. 2 is a cross-sectional view of the exhaust line of fig. 1.
Detailed Description
Referring to fig. 1-2, an embodiment of the present invention provides an exhaust pipeline, which is disposed between an exhaust pipe 1 and an engine turbocharger 2, and comprises: bellows 3 and honeycomb duct 4.
The first end of bellows 3 and engine turbo charger 2 fixed connection, the second end of bellows 3 and blast pipe 1 fixed connection.
The draft tube 4 is disposed inside the corrugated tube 3.
The first end of the flow guide pipe 4 is communicated with the air outlet of the engine turbocharger 2, and the second end of the flow guide pipe 4 is communicated with the exhaust pipe 1.
Wherein, the honeycomb duct 4 is the toper, and the diameter of honeycomb duct 4 first end is less than the diameter of honeycomb duct 4 second end.
In the embodiment of the application, because the first end of the corrugated pipe 3 is fixedly connected with the engine turbocharger 2, the second end of the corrugated pipe 3 is fixedly connected with the exhaust pipe 1, the guide pipe 4 is arranged in the corrugated pipe 3, the first end of the guide pipe 4 is communicated with the gas outlet of the engine turbocharger 2, and the second end of the guide pipe 4 is communicated with the exhaust pipe 1, high-pressure gas discharged by the engine turbocharger 2 enters the exhaust pipe 1 through the guide pipe 4 to be discharged, the corrugated pipe 3 is effectively protected from being impacted by the high-pressure gas of the engine, the corrugated pipe 3 is not easy to damage, the service life of the corrugated pipe 3 is ensured, because the guide pipe 4 is conical, the diameter of the first end of the guide pipe 4 is smaller than that of the second end of the guide pipe 4, and therefore, the high-pressure gas discharged by the engine turbocharger 2 enters from the, the exhaust back pressure of the engine is reduced, the exhaust airflow resistance can be reduced, the combustion efficiency of the engine is prevented from being reduced, the economy is ensured, and meanwhile, the dynamic performance is prevented from being reduced.
Specifically, a connecting ring 5 is fixedly arranged at a first end of the draft tube 4. In the present embodiment, the first end of the draft tube 4 is integrally formed with the connection ring 5, thereby securing the connection.
The connecting ring 5 has a diameter larger than that of the first end of the draft tube 4 to prevent the air from flowing between the draft tube 4 and the corrugated tube body 3.
Specifically, a first mounting flange 6 is fixedly arranged on an end surface of the engine turbocharger 2 facing the corrugated pipe 3. In the embodiment, the first mounting flange 6 is fixedly connected with the engine turbocharger 2 through the first mounting bolt 7, so that the mounting and dismounting are convenient.
The first end of the corrugated pipe 3 is fixedly connected with a first mounting flange 6. In this embodiment, the first end of the corrugated tube 3 may be fixedly connected to the first mounting flange 6 by welding, so as to ensure the connection reliability.
Specifically, a second mounting flange 8 is fixedly arranged on an end surface of the exhaust pipe 1 facing the corrugated pipe 3. In this embodiment, the second mounting flange 8 is fixedly connected to the exhaust pipe 1 by the second mounting bolt 9, so as to be easily detached.
The second end of the bellows 3 is fixedly connected to a second mounting flange 8. In this embodiment, the second end of the corrugated tube 3 may be fixedly connected to the second mounting flange 8 by welding, so as to ensure the connection reliability.
The application still provides an engine, and this engine includes the exhaust pipe, and the concrete structure of the exhaust pipe of this engine refers to above-mentioned embodiment, because this exhaust pipe adopts all technical scheme of above-mentioned all embodiments, consequently has the beneficial effect that above-mentioned embodiment technical scheme brought at least, and the repeated description is no longer given here.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. An exhaust line disposed between an exhaust pipe and a turbocharger of an engine, comprising: a corrugated pipe and a flow guide pipe;
the first end of the corrugated pipe is fixedly connected with the engine turbocharger, and the second end of the corrugated pipe is fixedly connected with the exhaust pipe;
the flow guide pipe is arranged in the corrugated pipe;
the first end of the flow guide pipe is communicated with an air outlet of the engine turbocharger, and the second end of the flow guide pipe is communicated with the exhaust pipe;
the honeycomb duct is conical, and the diameter of the first end of the honeycomb duct is smaller than that of the second end of the honeycomb duct.
2. An exhaust line according to claim 1, wherein:
and a connecting ring is fixedly arranged at the first end of the flow guide pipe.
3. An exhaust line according to claim 2, wherein:
the diameter of the connecting ring is larger than that of the first end of the draft tube.
4. An exhaust line according to claim 1, wherein:
a first mounting flange is fixedly arranged on the end face, facing the corrugated pipe, of the engine turbocharger;
the first end of the corrugated pipe is fixedly connected with the first mounting flange.
5. An exhaust line according to claim 4, wherein:
the first mounting flange is fixedly connected with the engine turbocharger through a first mounting bolt.
6. An exhaust line according to claim 1, wherein:
a second mounting flange is fixedly arranged on the end face, facing the corrugated pipe, of the exhaust pipe;
and the second end of the corrugated pipe is fixedly connected with the second mounting flange.
7. An exhaust line according to claim 6, wherein:
and the second mounting flange is fixedly connected with the exhaust pipe through a second mounting bolt.
8. An engine comprising an exhaust line according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468223.1U CN211950642U (en) | 2020-04-02 | 2020-04-02 | Exhaust pipeline and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468223.1U CN211950642U (en) | 2020-04-02 | 2020-04-02 | Exhaust pipeline and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950642U true CN211950642U (en) | 2020-11-17 |
Family
ID=73169954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020468223.1U Active CN211950642U (en) | 2020-04-02 | 2020-04-02 | Exhaust pipeline and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211950642U (en) |
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2020
- 2020-04-02 CN CN202020468223.1U patent/CN211950642U/en active Active
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