CN202596795U - Turbine rotor with worm - Google Patents

Turbine rotor with worm Download PDF

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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
Application number
CN 201220276563
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Chinese (zh)
Inventor
刘世华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weifang Jingrui Nano Ceramics Science & Technology Co Ltd
Original Assignee
Weifang Jingrui Nano Ceramics Science & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Weifang Jingrui Nano Ceramics Science & Technology Co Ltd filed Critical Weifang Jingrui Nano Ceramics Science & Technology Co Ltd
Priority to CN 201220276563 priority Critical patent/CN202596795U/en
Application granted granted Critical
Publication of CN202596795U publication Critical patent/CN202596795U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

A kind of turbine rotor with worm screw
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 2 is structural representations of turbine rotor 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 6 is structural representations of turbine rotor 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 10 is structural representations of turbine rotor 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
Embodiment 1, like accompanying drawing 1, Fig. 2, Fig. 3 and shown in Figure 4, and a kind of turbine rotor with worm screw; Comprise rotor disk 1 and worm screw, the periphery of rotor disk 1 is provided with turbine blade 2, and the bottom centre of 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 shape of cross section of mounting hole 3 is circular, and the shape of cross section that the inside center of rotor shaft 4 is provided with first through hole, 7, the first through holes 7 is circular; First through hole 7 is coaxial with mounting hole 3, and the cross-section area of first through hole 7 is greater than the cross-section area of mounting hole 3, and the upper end of rotor disk 1 is provided with boss 6; The sectional shape of boss 6 is a Hexagon, and mounting hole 3 runs through boss 6, and the periphery of rotor shaft 4 is provided with annular groove 5; Worm screw comprises that the sectional shape of first worm screw 8 and second worm screw, 10, the first worm screws 8 is consistent with the sectional shape of mounting hole 3, and 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 the lower end of second worm screw 10 is provided with connecting rod 9, the first worm screws 8 and matches with mounting hole 3; Second worm screw 10 is matched with first through hole 7, and worm screw and rotor disk 1 are in transmission connection.
Embodiment 2, like accompanying drawing 5, Fig. 6, Fig. 7 and shown in Figure 8, and a kind of turbine rotor with worm screw; Comprise rotor disk 1 and worm screw, the periphery of rotor disk 1 is provided with turbine blade 2, and the bottom centre of 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 shape of cross section of mounting hole 3 is circular, and the shape of cross section that the inside center of rotor shaft 4 is provided with first through hole, 7, the first through holes 7 is circular; The cross-section area of first through hole 7 is greater than the cross-section area of mounting hole 3, and the upper end of rotor disk 1 is provided with boss 6, and the sectional shape of boss 6 is a Hexagon; It is coaxial with mounting hole 3 that the center of boss 6 is provided with second through hole, 11, the second through holes 11, and the cross-section area of second through hole 11 is less than the cross-section area of mounting hole 3; The inwall of second through hole 11 is provided with vertical bar shape groove 12, and the quantity of groove 12 is 4, and 4 grooves 12 evenly distribute on the inwall of second through hole 11; It is tightr that the setting of groove 12 makes worm screw be connected with rotor disk 1, improved the power of transmission, and rotating speed is faster; The periphery of rotor shaft 4 is provided with annular groove 5, and worm screw comprises that the sectional shape of first worm screw 8 and second worm screw, 10, the first worm screws 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, and the sectional shape of second worm screw 10 is consistent with the sectional shape of first through hole 7, and the lower end of second worm screw 10 is provided with connecting rod 9; The top of first worm screw 8 is provided with projection 13, and 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; First worm screw 8 is matched with mounting hole 3, and second worm screw 10 is matched with first through hole 7, and worm screw and rotor disk 1 are in transmission connection.
Embodiment 3, and like accompanying drawing 9, Figure 10, Figure 11 and shown in Figure 12, a kind of turbine rotor with worm screw comprises rotor disk 1 and worm screw; The periphery of rotor disk 1 is provided with turbine blade 2, and the bottom centre of rotor disk 1 is provided with rotor shaft 4, and rotor shaft 4 is coaxial with rotor disk 1; 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, and the shape of cross section of mounting hole 3 is circular; The shape of cross section that the inside center of rotor shaft 4 is provided with first through hole, 7, the first through holes 7 is circular, and the cross-section area of first through hole 7 is greater than the cross-section area of mounting hole 3; The upper end of rotor disk 1 is provided with boss 6, and the sectional shape of boss 6 is a Hexagon, and the center of 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, and the sectional shape of second through hole 11 is a Hexagon; The sectional shape of second through hole 11 is set to Hexagon, and that worm screw 8 is connected with rotor disk 1 is tightr, has improved the power of transmission, and rotating speed is faster; The periphery of rotor shaft 4 is provided with annular groove 5, and worm screw comprises that the sectional shape of first worm screw 8 and second worm screw, 10, the first worm screws 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, and the sectional shape of second worm screw 10 is consistent with first through hole 7, and the lower end of second worm screw 10 is provided with connecting rod 9; The top of first worm screw 8 is provided with projection 13, and 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; First worm screw 8 is matched with mounting hole 3, and second worm screw 10 is matched with first through hole 7, and worm screw and rotor disk 1 are in transmission connection.

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).
CN 201220276563 2012-06-13 2012-06-13 Turbine rotor with worm Expired - Fee Related CN202596795U (en)

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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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