CN207297108U - A kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger - Google Patents
A kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger Download PDFInfo
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- CN207297108U CN207297108U CN201721296507.1U CN201721296507U CN207297108U CN 207297108 U CN207297108 U CN 207297108U CN 201721296507 U CN201721296507 U CN 201721296507U CN 207297108 U CN207297108 U CN 207297108U
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- exhaust
- main shaft
- charger
- turbine
- compressor impeller
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Abstract
It the utility model is related to a kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger, main shaft both ends are set with compressor impeller and turbine, main shaft excircle is set with disc, oil sealing is equipped between disc and compressor impeller, main shaft excircle is set with bushing, bushing is between compressor impeller and main shaft outer circumference surface, bushing is connected with main shaft flat key, compressor impeller one end is equipped with locking nut and generator terminal lock sheet of calming the anger, locking nut is sleeved on main shaft outer circumference surface, compressor lock sheet is equipped between locking nut and compressor impeller end face, turbine is connected by nut and pin with main shaft, turbine end lock sheet is equipped between nut and the end face of turbine.Effectively solves conventional exhaust-driven turbo-charger exhaust-gas turbo charger complex rotor structure, manufacturing process is complicated, and turbine disk detachment and exhaust-driven turbo-charger exhaust-gas turbo charger shake the problem of big, rotor operation is unstable.
Description
Technical field
A kind of rotor structure is the utility model is related to, particularly a kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger, belong to interior
Combustion locomotive accessory fabricates field.
Background technology
At present, the rotor structure for the diesel locomotive exhaust-driven turbo-charger exhaust-gas turbo charger that China uses, due to complex rotor structure, system
Complex process is made, turbine disk detachment and exhaust-driven turbo-charger exhaust-gas turbo charger vibrations are big, and rotor operation is unstable.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger, turbine passes through
Nut is connected with main shaft, and the gap of each component causes stability of the rotor in operation process to improve.
To solve problem above, the concrete technical scheme of the utility model is as follows：A kind of rotor of exhaust-driven turbo-charger exhaust-gas turbo charger
Structure, main shaft both ends are set with compressor impeller and turbine, main shaft excircle suit disc, disc and compressor impeller
Between be equipped with oil sealing, main shaft excircle is set with bushing, bushing between compressor impeller and main shaft outer circumference surface, bushing with
Main shaft flat key connects, and compressor impeller one end is equipped with locking nut and generator terminal lock sheet of calming the anger, locking nut are sleeved on outside main shaft
On periphery, compressor lock sheet is equipped between locking nut and compressor impeller end face, turbine passes through nut and pin and master
Turbine end lock sheet is equipped between the end face of axis connection, nut and turbine.
The turbine and the gap in the radial positioning face of main shaft outside diameter are 0.005 ~ 0.007mm.
The bushing and the radial clearance of compressor impeller are -0.05 ~ -0.06mm.
The main shaft and the gap in the radial positioning face of bushing are 0.005 ~ 0.007mm.
What the utility model was brought has the beneficial effect that：Effectively solve conventional exhaust-driven turbo-charger exhaust-gas turbo charger rotor structure to answer
The problem of miscellaneous, manufacturing process is complicated, and turbine disk detachment and exhaust-driven turbo-charger exhaust-gas turbo charger vibrations are big, rotor operation is unstable.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger.
Wherein, 1- nuts, 2- compressor lock sheets, 3- locking nuts, 4- bushings, 5- compressor impellers, 6- oil sealings, 7- are got rid of
Food tray, 8- main shafts, 9- pins, 10- turbines, 11- turbine end lock sheets.
Embodiment
As shown in Figure 1, a kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger, 8 both ends of main shaft are set with 5 He of compressor impeller
Turbine 10,8 excircle of main shaft suit disc 7, is equipped with oil sealing 6,8 excircle set of main shaft between disc 7 and compressor impeller 5
Equipped with bushing 4, bushing 4 is located between 8 outer circumference surface of compressor impeller 5 and main shaft, and bushing 4 is connected with 8 flat key of main shaft, compressor
5 one end of impeller is equipped with locking nut 3 and generator terminal lock sheet 2 of calming the anger, locking nut 3 are sleeved on 8 outer circumference surface of main shaft, locking screw
Compressor lock sheet 2 is equipped between mother 3 and 5 end face of compressor impeller, turbine 10 is connected by nut 1 and pin 9 with main shaft 8,
Turbine end lock sheet 11 is equipped between the end face of nut 1 and turbine 10.
The turbine 10 and the gap in the radial positioning face of 8 outside diameter of main shaft are 0.005 ~ 0.007mm.
The radial clearance of the bushing 4 and compressor impeller 5 is -0.05 ~ -0.06mm.
The main shaft 8 and the gap in the radial positioning face of bushing 4 are 0.005 ~ 0.007mm.
The course of work：Exhaust-driven turbo-charger exhaust-gas turbo charger is to drive exhaust gas turbine to increase using the exhaust energy of the burning of diesel engine discharge
The turbine of depressor, turbine drive the compressor of same shafting, increase the pressure of air, increase stressed air and enter diesel engine gas
Cylinder is mixed into combustion gas with the fuel oil sprayed into, to increase the power of diesel engine outburst acting.
Above-described is only the preferred embodiment of the utility model.It should be pointed out that the ordinary skill people for this area
For member, on the premise of the utility model principle is not departed from, some variations and modifications can also be made, also should be regarded as belonging to this
The protection domain of utility model.
Claims (4)
- A kind of 1. rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger, it is characterised in that：Main shaft（8）Both ends are set with compressor impeller （5）And turbine（10）, main shaft（8）Excircle is set with disc（7）, disc（7）With compressor impeller（5）Between be equipped with oil sealing （6）, main shaft（8）Excircle is set with bushing（4）, bushing（4）Positioned at compressor impeller（5）And main shaft（8）Between outer circumference surface, Bushing（4）With main shaft（8）Flat key connects, compressor impeller（5）One end is equipped with locking nut（3）With generator terminal lock sheet of calming the anger（2）, Locking nut（3）It is sleeved on main shaft（8）On outer circumference surface, locking nut（3）With compressor impeller（5）It is equipped with and calms the anger between end face Machine lock sheet（2）, turbine（10）Pass through nut（1）And pin（9）With main shaft（8）Connection, nut（1）With turbine（10）End face Between be equipped with turbine end lock sheet（11）.
- A kind of 2. rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger as claimed in claim 1, it is characterised in that：The turbine（10） With main shaft（8）The gap in the radial positioning face of outside diameter is 0.005 ~ 0.007mm.
- A kind of 3. rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger as claimed in claim 1, it is characterised in that：The bushing（4） With compressor impeller（5）Radial clearance be -0.05 ~ -0.06mm.
- A kind of 4. rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger as claimed in claim 1, it is characterised in that：The main shaft（8） With bushing（4）The gap in radial positioning face be 0.005 ~ 0.007mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296507.1U CN207297108U (en) | 2017-10-10 | 2017-10-10 | A kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296507.1U CN207297108U (en) | 2017-10-10 | 2017-10-10 | A kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297108U true CN207297108U (en) | 2018-05-01 |
Family
ID=62414665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721296507.1U Active CN207297108U (en) | 2017-10-10 | 2017-10-10 | A kind of rotor structure of exhaust-driven turbo-charger exhaust-gas turbo charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297108U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356712A (en) * | 2018-12-12 | 2019-02-19 | 中国北方发动机研究所(天津) | A kind of turbine rotor locking nut structure |
| CN109915410A (en) * | 2019-04-18 | 2019-06-21 | 西安联创分布式可再生能源研究院有限公司 | A kind of centrifugal blower multi-stage impeller mounting structure |
| CN113530878A (en) * | 2021-08-03 | 2021-10-22 | 中车大连机车研究所有限公司 | Main shaft connecting structure of turbocharger |
-
2017
- 2017-10-10 CN CN201721296507.1U patent/CN207297108U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356712A (en) * | 2018-12-12 | 2019-02-19 | 中国北方发动机研究所(天津) | A kind of turbine rotor locking nut structure |
| CN109915410A (en) * | 2019-04-18 | 2019-06-21 | 西安联创分布式可再生能源研究院有限公司 | A kind of centrifugal blower multi-stage impeller mounting structure |
| CN113530878A (en) * | 2021-08-03 | 2021-10-22 | 中车大连机车研究所有限公司 | Main shaft connecting structure of turbocharger |
| CN113530878B (en) * | 2021-08-03 | 2024-06-04 | 中车大连机车研究所有限公司 | Main shaft connecting structure of turbocharger |
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