CN202596795U - Turbine rotor with worm - Google Patents
Turbine rotor with worm Download PDFInfo
- Publication number
- CN202596795U CN202596795U CN 201220276563 CN201220276563U CN202596795U CN 202596795 U CN202596795 U CN 202596795U CN 201220276563 CN201220276563 CN 201220276563 CN 201220276563 U CN201220276563 U CN 201220276563U CN 202596795 U CN202596795 U CN 202596795U
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- CN
- China
- Prior art keywords
- worm screw
- hole
- rotor
- mounting hole
- rotor disk
- 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.)
- Expired - Fee Related
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- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model relates to a turbine rotor with a worm, which comprises a rotor disk and the worm. Turbine blades are arranged on the outer periphery of the rotor disk; the center of the bottom of the rotor disk is provided with a rotor shaft; the center inside the rotor disk is provided with a mounting hole; the center inside the rotor shaft is provided with a first through hole; the first through hole is coaxial with the mounting hole; the worm is matched with the mounting hole; and the worm is in transmission connection with the rotor disk by the mounting hole. The turbine rotor has a simple structure; the worm is matched with the mounting hole and the worm is in transmission connection with the rotor disk by the mounting hole, and the load of an engine is reduced, so that the production efficiency is improved; and the rotor shaft and the rotor disk adopt an integrated structure, the rotor shaft and the rotor disk are coaxial and have consistent linearity, so that the dynamic balance degree is high and the service life of the turbine rotor is prolonged.
Description
Technical field
The utility model relates to a kind of turbine rotor of turbosupercharger, belongs to technical field of internal combustion engines.
Background technique
At present, pressurized machine is widely used in modern engine.In order to satisfy under all operating modes of motor performance and the emission request under the low speed operating mode particularly, pressurized machine must provide higher boost pressure under the situation that does not increase cost of production, and this just requires to improve the rotating speed of turbine rotor; But the rotor disk of the turbine rotor that generally uses at present all is solid basically; Weight is heavier, wants to improve the rotating speed of turbine rotor, just must increase the power of power plant; Thereby increased the burden of motor, improved manufacture cost; In addition, the bottom of rotor disk is welded with rotor shaft, and welding manner adopts the mode of friction welding; There is following shortcoming in friction welding: being prone to tremble when 1, welding produces inclined to one side, sandwich; Be difficult to guarantee the alignment of rotor shaft and turbine rotor, cause the dynamic balancing degree poor, turbine goes weight big; 2, overlap, do not seal.During friction, pressure varies, and the outside generation recrement that is prone to is inner difficult closed, metallographic skewness, be heated back snail head and screw rod easy-rupturing, the working life of having reduced turbine rotor; 3, the friction-welding machine one-time investment is bigger, also needs processing, and cost of production is high.
The model utility content
The technical problem that the utility model will solve is to above deficiency, provide a kind of simple in structure, in light weight, alignment is good, manufacturing efficiency is high, long service life the turbine rotor of band worm screw.
In order to solve above technical problem, the technological scheme that the utility model adopts is following: a kind of turbine rotor with worm screw comprises rotor disk and worm screw; The periphery of rotor disk is provided with turbine blade, it is characterized in that: the bottom centre of said rotor disk is provided with rotor shaft, and rotor shaft is coaxial with rotor disk; Rotor shaft and rotor disk are structure as a whole; The inside center of rotor disk is provided with mounting hole, and the inside center of rotor shaft is provided with first through hole, and first through hole is coaxial with mounting hole; Worm screw cooperates with mounting hole, and worm screw is in transmission connection through mounting hole and rotor disk.
Further improvement as technique scheme:
The cross-section area of said first through hole is greater than the cross-section area of mounting hole.
The upper end of said rotor disk is provided with boss.
Said mounting hole runs through boss.
The center of said boss is provided with second through hole, and second through hole is coaxial with mounting hole, and the cross-section area of second through hole is less than the cross-section area of mounting hole.
The inwall of said second through hole is provided with vertical bar shape groove, and groove evenly distributes on the inwall of second through hole.
The sectional shape of said second through hole is a Hexagon.
Said worm screw comprises first worm screw and second worm screw; The sectional shape of first worm screw is consistent with the sectional shape of mounting hole; Second worm screw is arranged on the lower end of first worm screw; The sectional shape of second worm screw is consistent with the sectional shape of first through hole, and first worm screw is matched with mounting hole, and second worm screw is matched with first through hole.
The top of said first worm screw is provided with projection, and the sectional shape of projection is consistent with the sectional shape of second through hole, and projection matches with second through hole.
The lower end of said second worm screw is provided with connecting rod.
The utility model is taked above technological scheme, has the following advantages: the turbine rotor of band worm screw comprises rotor disk and worm screw, and the periphery of rotor disk is provided with turbine blade; The bottom centre of rotor disk is provided with rotor shaft, and the inside center of rotor disk is provided with mounting hole, and the inside center of rotor shaft is provided with first through hole; First through hole is coaxial with mounting hole, and worm screw cooperates with mounting hole, and worm screw is in transmission connection through mounting hole and rotor disk; Relatively simple for structure, worm screw cooperates with mounting hole, and worm screw is in transmission connection through mounting hole and rotor disk; Alleviate the burden of motor, thereby improved manufacturing efficiency; Rotor shaft and rotor disk are structure as a whole, and rotor shaft is coaxial with rotor disk, and linear consistent, the dynamic balancing degree is high, has prolonged the working life of turbine rotor.
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Description of drawings
Accompanying drawing 1 is the structural representation of the turbine rotor of band worm screw among the utility model embodiment 1;
Accompanying drawing 3 is structural representations of boss in the accompanying drawing 2;
Accompanying drawing 4 is structural representations of worm screw among the utility model embodiment 1;
Accompanying drawing 5 is structural representations of the turbine rotor of band worm screw among the utility model embodiment 2;
Accompanying drawing 7 is structural representations of boss in the accompanying drawing 6;
Accompanying drawing 8 is structural representations of worm screw among the utility model embodiment 2;
Accompanying drawing 9 is structural representations of the turbine rotor of band worm screw among the utility model embodiment 3;
Accompanying drawing 11 is structural representations of boss in the accompanying drawing 10;
Accompanying drawing 12 is structural representations of worm screw among the utility model embodiment 3.
Among the figure,
The 1-rotor disk, 2-turbine blade, 3-mounting hole, 4-rotor shaft, 5-annular groove, 6-boss, 7-first through hole, 8-first worm screw, 9-connecting rod, 10-second worm screw, 11-second through hole, 12-groove, 13-projection.
Embodiment
Claims (10)
1. the turbine rotor with worm screw comprises rotor disk (1) and worm screw, and the periphery of rotor disk (1) is provided with turbine blade (2); It is characterized in that: the bottom centre of said rotor disk (1) is provided with rotor shaft (4); Rotor shaft (4) is coaxial with rotor disk (1), and rotor shaft (4) is structure as a whole with rotor disk (1), and the inside center of rotor disk (1) is provided with mounting hole (3); The inside center of rotor shaft (4) is provided with first through hole (7); First through hole (7) is coaxial with mounting hole (3), and worm screw cooperates with mounting hole (3), and worm screw is in transmission connection through mounting hole (3) and rotor disk (1).
2. a kind of turbine rotor with worm screw as claimed in claim 1 is characterized in that: the cross-section area of said first through hole (7) is greater than the cross-section area of mounting hole (3).
3. a kind of turbine rotor with worm screw as claimed in claim 2 is characterized in that: the upper end of said rotor disk (1) is provided with boss (6).
4. a kind of turbine rotor with worm screw as claimed in claim 3 is characterized in that: said mounting hole (3) runs through boss (6).
5. a kind of turbine rotor as claimed in claim 3 with worm screw; It is characterized in that: the center of said boss (6) is provided with second through hole (11); Second through hole (11) is coaxial with mounting hole (3), and the cross-section area of second through hole (11) is less than the cross-section area of mounting hole (3).
6. a kind of turbine rotor with worm screw as claimed in claim 5 is characterized in that: the inwall of said second through hole (11) is provided with vertical bar shape groove (12), and groove (12) evenly distributes on the inwall of second through hole (11).
7. a kind of turbine rotor with worm screw as claimed in claim 5 is characterized in that: the sectional shape of said second through hole (11) is a Hexagon.
8. like claim 4 or 6 or 7 described a kind of turbine rotors with worm screw; It is characterized in that: said worm screw comprises first worm screw (8) and second worm screw (10); The sectional shape of first worm screw (8) is consistent with the sectional shape of mounting hole (3); Second worm screw (10) is arranged on the lower end of first worm screw (8); The sectional shape of second worm screw (10) is consistent with the sectional shape of first through hole (7), and first worm screw (8) is matched with mounting hole (3), and second worm screw (10) is matched with first through hole (7).
9. a kind of turbine rotor as claimed in claim 8 with worm screw; It is characterized in that: the top of said first worm screw (8) is provided with projection (13); The sectional shape of projection (13) is consistent with the sectional shape of second through hole (11), and projection (13) matches with second through hole (11).
10. a kind of turbine rotor with worm screw as claimed in claim 9 is characterized in that: the lower end of said second worm screw (10) is provided with connecting rod (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220276563 CN202596795U (en) | 2012-06-13 | 2012-06-13 | Turbine rotor with worm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220276563 CN202596795U (en) | 2012-06-13 | 2012-06-13 | Turbine rotor with worm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202596795U true CN202596795U (en) | 2012-12-12 |
Family
ID=47314342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220276563 Expired - Fee Related CN202596795U (en) | 2012-06-13 | 2012-06-13 | Turbine rotor with worm |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202596795U (en) |
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2012
- 2012-06-13 CN CN 201220276563 patent/CN202596795U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20170613 |
|
CF01 | Termination of patent right due to non-payment of annual fee |