CN217380669U - Novel turbine case structure and turbo charger shocks resistance - Google Patents
Novel turbine case structure and turbo charger shocks resistance Download PDFInfo
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- CN217380669U CN217380669U CN202220755947.3U CN202220755947U CN217380669U CN 217380669 U CN217380669 U CN 217380669U CN 202220755947 U CN202220755947 U CN 202220755947U CN 217380669 U CN217380669 U CN 217380669U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a novel turbine case structure and turbo charger shocks resistance, its novel turbine case structure of shocking resistance includes the turbine case, the turbine case has turbine case air inlet, turbine case export and the turbine case runner that feeds through turbine case air inlet, turbine case export, and it corresponds turbine case runner position at the outer wall of turbine case and is provided with circumference strengthening rib and an at least axial strengthening rib, and the circumference strengthening rib carries out arranging of 360 all around based on the outer wall of turbine case, and the axial strengthening rib crosses with the circumference strengthening rib is perpendicular. The utility model has the advantages that 1, the thermal deformation of the turbine box flow passage caused by the impact of high-temperature and high-pressure gas is reduced; 2. the thermal-mechanical strength of high-speed impact on the turbine box after the turbine is damaged and failed due to the fact that high-temperature and high-pressure gas is converted from pressure energy to kinetic energy is improved, and the structural reliability of the turbine box is improved. 3. The reliability of the whole supercharger is improved.
Description
Technical Field
The utility model relates to an exhaust driven automobile-used turbo charger field, in particular to novel turbine case structure and turbo charger shocks resistance.
Background
The waste gas turbocharger is a mechanical device for supercharging by using waste gas energy discharged by an engine, the waste gas energy of the engine is used for driving a turbine in a turbine box to rotate, the turbine drives a coaxial compressor impeller to work, fresh air enters the compressor through an air filter, and the compressor impeller rotates to compress the fresh air to achieve the effect of supercharging. Therefore, the exhaust gas turbocharger can effectively recycle the energy of exhaust gas, increase the air quantity in the cylinder under the same displacement, optimize the combustion process and improve the working efficiency of the internal combustion engine. The exhaust gas turbocharger is an essential part for improving power, saving oil, reducing consumption and improving emission of modern engines.
The working principle of the turbine is as follows: the waste gas enters a flow channel of the turbine box, the kinetic energy is converted into pressure energy, the waste gas passes through the turbine impeller, the pressure energy of the waste gas is converted into the kinetic energy of the turbine, and the turbine impeller drives the compressor to do work. The turbine box of the turbocharger directly receives exhaust gas from an engine, the temperature of the turbine box of the turbocharger reaches 700-850 ℃ due to special use of the turbocharger, the temperature of the turbine box can reach 900 ℃ sometimes, the use rotating speed of the turbocharger is gradually increased along with the continuous improvement of the strengthening degree of the engine, particularly, when the turbocharger runs at overspeed, the turbocharger turbine has turbine rupture failure under the impact of high-temperature and high-pressure gas, and the turbocharger turbine is used as a main part at the turbine end and not only bears thermal deformation and thermal crack failure possibly generated by the impact of the high-temperature and high-pressure gas, but also bears mechanical failure of the turbine box after the turbine fails at overspeed. In order to better ensure the structural reliability of the supercharger, the turbine box must be designed to have high-reliability impact resistance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses one of the technical problem that will solve provides a novel turbine case structure of shocking resistance to the problem that the turbine case that exists because of the inhomogeneous thermal crack that arouses of turbine case heat altered shape that high temperature, high-pressure gas strike and the mechanical failure of impact that goes on turbine case that leads to turbine overspeed inefficacy because of high temperature, high-pressure gas to the hot-mechanical fatigue life of turbine case has been improved, the life of extension booster complete machine to above-mentioned prior art.
The second technical problem to be solved in the present invention is to provide a turbocharger comprising the above novel impact-resistant turbine box structure.
In order to achieve the purpose, the utility model discloses a novel turbine case structure shocks resistance, including the turbine case, the turbine case has turbine case air inlet, turbine case export and communicates the turbine case runner of turbine case air inlet, turbine case export, its characterized in that, be provided with circumference strengthening rib and at least one axial strengthening rib in the outer wall of turbine case corresponds the turbine case runner position, the circumference strengthening rib carries out 360 arrangements of whole week based on the outer wall of turbine case, the axial strengthening rib with the circumference strengthening rib is perpendicularly crossed.
In the utility model discloses a preferred embodiment, axial strengthening rib is a plurality of, and a plurality of strengthening ribs are in the outer wall of turbine case corresponds turbine case runner position circumference interval equipartition.
The utility model discloses a turbo charger contains above-mentioned novel turbine case structure of shocking resistance.
Due to the adoption of the technical scheme, when high-temperature and high-pressure fuel gas enters the turbine box flow channel through the inlet of the turbine box, the circumferential direction of the inner wall surface of the whole turbine box flow channel bears thermal deformation caused by temperature difference and pressure fluctuation, and the structural rigidity of the turbine box can be improved through the circumferential reinforcing ribs, so that the deformation of the turbine box is reduced; when high-temperature and high-pressure gas passes through the turbine box runner and is discharged through the turbine box outlet, a large part of gas pressure energy is converted into kinetic energy of the turbine, the turbine is further accelerated, so that impact on the turbine box is formed after the turbine is exploded and fails when the turbine is in time, and the combined design of the axial reinforcing ribs is carried out simultaneously by combining the circumferential reinforcing ribs, so that the deformation resistance of the turbine box is greatly improved, the thermal-mechanical fatigue life of the turbine box is prolonged, and the service life of the whole supercharger is prolonged.
The utility model discloses a novel turbine case structure shocks resistance combines the verification of turbine overspeed failure test and the plateau road test in market, and the turbine case does not have the inefficacy to appear in the overspeed failure test, and the plateau overspeed test in market verifies that turbine case overall structure is intact simultaneously, obviously effectively reduces the failure mode that the turbine case became invalid, improves the reliability of booster complete machine.
The utility model has the advantages as follows:
1. the thermal deformation of a turbine box flow channel caused by high-temperature and high-pressure gas impact is reduced;
2. the thermal-mechanical strength of high-speed impact on the turbine box after the turbine is damaged and failed due to the fact that high-temperature and high-pressure gas is converted from pressure energy to kinetic energy is improved, and the structural reliability of the turbine box is improved.
3. The reliability of the whole supercharger is improved.
Drawings
Fig. 1 is the structural schematic diagram of a novel turbine case shocks resistance of the utility model.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic sectional view B-B of fig. 1.
Detailed Description
The claims are further described below in conjunction with the description of the figures and the examples.
As shown in fig. 1 to 3, a novel turbine case structure schematic diagram that shocks resistance that is shown in the figure, turbine case 1 includes turbine case air inlet 4, turbine case export 5 and intercommunication turbine case air inlet 4, turbine case runner 6 of turbine case export 5, it is provided with circumference strengthening rib 3 and at least one axial strengthening rib 2 to correspond turbine case runner 6 position at the outer wall of turbine case 1, circumference strengthening rib 3 carries out 360 arranging of whole week based on turbine case 1's outer wall, axial strengthening rib 2 is a plurality of, these axial strengthening ribs 2 correspond turbine case runner position circumference interval equipartition and intersect perpendicularly with circumference strengthening rib 3 at the outer wall of turbine case 1.
When the supercharger works, high-temperature and high-pressure gas of an engine enters the turbine box flow passage 6 through the turbine box air inlet 4, partial pressure energy of the gas energy after passing through the turbine box flow passage 6 is converted into turbine kinetic energy to test high-speed rotation of the turbine, and the high-temperature gas is discharged through the turbine box outlet 5. The circumferential reinforcing ribs 3 on the outer wall surface of the turbine box flow channel 6 can effectively reduce the thermal deformation of the turbine box caused by the air flow temperature and pressure fluctuation caused by the change of the section of the flow channel in the turbine box flow channel 6 by high-temperature gas; the circumferential reinforcing ribs 3 and the axial reinforcing ribs 2 on the outer wall surface act simultaneously, so that impact deformation of the turbine box flow channel wall surface caused by failure of the turbine due to the fact that the rotational speed exceeds the speed caused by the transfer of gas energy is effectively weakened. The risk caused by the failure of the wall surface of the turbine box is reduced, and the reliability of the complete machine of the supercharger is improved.
Claims (3)
1. The utility model provides a novel turbine case structure shocks resistance, includes the turbine case, the turbine case has turbine case air inlet, turbine case export and intercommunication the turbine case runner of turbine case air inlet, turbine case export, its characterized in that the outer wall of turbine case corresponds turbine case runner position is provided with circumference strengthening rib and an at least axial strengthening rib, the circumference strengthening rib is based on the outer wall of turbine case carries out 360 arranging of whole week, the axial strengthening rib with the circumference strengthening rib is crossed perpendicularly.
2. The novel impact-resistant turbine box structure as claimed in claim 1, wherein the number of the axial reinforcing ribs is plural, and the plural reinforcing ribs are uniformly distributed on the outer wall surface of the turbine box at intervals in the circumferential direction corresponding to the position of the turbine box flow passage.
3. A turbocharger comprising the novel impact resistant turbine housing structure of claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755947.3U CN217380669U (en) | 2022-03-31 | 2022-03-31 | Novel turbine case structure and turbo charger shocks resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755947.3U CN217380669U (en) | 2022-03-31 | 2022-03-31 | Novel turbine case structure and turbo charger shocks resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217380669U true CN217380669U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220755947.3U Active CN217380669U (en) | 2022-03-31 | 2022-03-31 | Novel turbine case structure and turbo charger shocks resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217380669U (en) |
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2022
- 2022-03-31 CN CN202220755947.3U patent/CN217380669U/en active Active
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