CN200985804Y - Turbine machine - Google Patents
Turbine machine Download PDFInfo
- Publication number
- CN200985804Y CN200985804Y CN 200620112064 CN200620112064U CN200985804Y CN 200985804 Y CN200985804 Y CN 200985804Y CN 200620112064 CN200620112064 CN 200620112064 CN 200620112064 U CN200620112064 U CN 200620112064U CN 200985804 Y CN200985804 Y CN 200985804Y
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- CN
- China
- Prior art keywords
- turbine case
- turbo machine
- turbine
- rolling disc
- nozzle vane
- 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 comprising a turbine shell (1), a bearing shell (9) in fixed connection with the turbine shell (1) and a plurality of nozzle blades (16) positioned on the jet channel circle in the turbine shell (1), which is characterized in that the outer side walls on the jet channel in the turbine shell (1) corresponding to the tops of the nozzle blades (16) are provided with round grooves(1b), the tops of the nozzle blades (16) cooperates with the flat gaps in the round grooves(1b); the joints between the nozzle blades (16) and axis (16b) is provided with round bosses (16a) which cooperates with the round concave plate gaps fixed correspondingly on the barricade (4). Thanks to the flexible rotation of the nozzle blades, the utility model has advantages of less pneumatic energy loss and good anti leaking effect; moreover, the turbine has simple and reasonable structure, thereby enhancing the operation reliability of the drive mechanism of the nozzle blades.
Description
Technical field
The utility model relates to a kind of turbo machine, is specifically related to a kind of turbo machine that adopts adjustable nozzle.
Background technique
At present, adopt the turbo machine of adjustable nozzle, its structure comprises: turbine case, the turbine blade that in turbine case, assembles, the cartridge housing of fixedlying connected with turbine case through briquetting, the thermal shield that the front end of cartridge housing in turbine case is fixing, its inboard cylndrical surface contacts with thermal shield, and the dividing plate that cylndrical surface, the outside cooperates with the turbine case inner seal, be arranged on the rolling disc between thermal shield outer end step cutting pattern and the turbine case, the hole that one end passes on the thermal shield is placed in the rotation opening of rolling disc, and the other end places the crank outside the turbo machine, be pin with crank and push rod respectively, the connecting rod that the hole is fixedly connected, be arranged on the plurality of nozzles blade on the jet channel circumference in the turbine case, the axle center of fixedlying connected with nozzle vane, the shift fork that one end in the hole that is provided with on the dividing plate with passing of axle center is fixedlyed connected is fixedlyed connected with rolling disc and is positioned at the driving pin of shift fork mouth; Because of fixed distance between the axle center of nozzle vane, when each nozzle vane simultaneously when same direction is rotated, space, space between the nozzle vane adjacent edge changes, and just the throat area of turbine nozzle is changing, thereby reaches the purpose that changes the turbine shaft rotating speed.
Because nozzle vane will rotate in jet channel, between its two end part and turbine shroud and the dividing plate certain clearance need be set, control to this gap length is very difficult in the structure of actual product at present, the too little nozzle vane that then occurs in gap rotates dumb, excesssive gap then causes the gas energy loss bigger, can not reach the purpose that improves secondary speed effectively.
In addition, the driving mechanism of nozzle vane such as crank, rolling disc, shift forks etc. all are arranged on by turbine case, cartridge housing, in the ring-shaped cavity that is connected to form between the component such as dividing plate and thermal shield, and at the high-temperature gas of turbo-side by dividing plate and turbine case, joint gap between the nozzle vane is to this cavity seepage, and the crank of this driving mechanism must be through on the cartridge housing, or on the turbine case, or turbine case links to each other with external drive source with the opening that the assembling joint of cartridge housing is provided with, from the turbo machine outside nozzle vane is rotated adjustment with convenient, and driving mechanism certainly exists certain clearance in the assembling cooperation of this opening, the waste gas that causes turbo machine in use to have certain energy inevitably will come out from these clearance leakages, the one, exhaust gas leakage causes the pollution to environment, the 2nd, cause the driving mechanism temperature drift of the variable-nozzle blade in bearing housing one side, influence its operational safety.The turbo machine to variable-nozzle in the past adopts containment measures, usually by strengthening the mode of mechanical seal, as reduce fit dimension, seal with modes such as piston rings, these seal arrangements are more effective when the turbine slow-speed of revolution moves, but effect is not good yet during high rotating speed; And this mechanical seal is because the gap of rotating component is little, and driving component is in the environment of high temperature again all the time, thermal distortion occurs easily and the locking phenomenon that causes, thereby cause and can not normally use, also artificial increase number of spare parts and assembling difficulty.
Summary of the invention
The purpose of this utility model is to provide a kind of nozzle vane to rotate flexibly, and the pneumatic energy loss is little, and anti-leak result is good, simple and reasonable, and can improve the turbo machine of operational safety of the driving mechanism of nozzle vane.
The purpose of this utility model is achieved in that a kind of turbo machine, comprise turbine case, the turbine blade that in turbine case, assembles, the cartridge housing of fixedlying connected with turbine case, be positioned at the thermal shield that the front end of turbine case is fixed at cartridge housing, inboard cylndrical surface contacts with thermal shield, the dividing plate that cylndrical surface, the outside cooperates with the turbine case inner seal, be arranged on the rolling disc between thermal shield outer end step cutting pattern and the turbine case, be arranged on the driving pin on the rolling disc, the hole that one end passes on the thermal shield is placed in the rotation opening of rolling disc, and the other end places outside the turbo machine successively and connecting rod, the crank that push rod connects, be arranged on the plurality of nozzles blade on the jet channel circumference in the turbine case, it is characterized in that: on the outer side wall of the jet channel in the pairing described turbine case in the top of described nozzle vane annular groove is set, the plane clearance in the top of described nozzle vane and the described annular groove cooperates; Joint in described nozzle vane and its axle center is provided with round boss, the circular concave station Spielpassung of corresponding setting on described round boss and the described dividing plate, and the bottom of described nozzle vane cooperates with described spacer gap.
Between the air outlet of above-mentioned turbine case and space, described rolling disc place guide channel is set, described guide channel comprises honeycomb duct and positioning pipe; The water conservancy diversion import of wherein said honeycomb duct is arranged on the outer side wall of jet channel of described turbine case, and its diversion outlet is arranged on the inner surface of described air outlet of described turbine case the trailing edge place near described turbine blade; One end of described positioning pipe is fixedlyed connected with described water conservancy diversion import screw thread, and the other end passes the hole that is provided with on the described dividing plate fixedlys connected with nut.
The outlet section of above-mentioned honeycomb duct or be cylindrical or for toroidal.
Radially circumference is provided with described guide channel more than 1 between the described air outlet of the above turbine case and space, described rolling disc place.
Surface between the described driving pin on the above rolling disc is provided with through hole.
Above-mentioned crank places the end outside the turbo machine to fixedly connected through screw, lock washer with an end of described connecting rod, and the other end of described connecting rod is fixedlyed connected with described push rod through screw.
Above-mentioned crank is stretched out the set passway of an end of turbo machine or is positioned on the described cartridge housing or is positioned on the described turbine case or is positioned at the assembling joint of described turbine case and described cartridge housing.
The utility model makes the axial length of the axial length of nozzle vane greater than the jet channel in the turbine case, by the circular concave station Spielpassung that is provided with on the outer side wall that nozzle vane Xiang Duan is exceeded the jet channel in jet channel and the turbine case, make nozzle vane in use have only partial blade to be used for runner, remedied the aerodynamic loss that the gap of original structure causes greatly, therefore the axial clearance of nozzle vane Xiang Duanyu turbine case can decide more greatly, can not influence gas by the acting ability of nozzle vane to turbine yet; Round boss is set in the nozzle vane and the joint in its axle center and cooperates with the circular concave station of corresponding setting on the dividing plate, not only strengthened the join strength in nozzle vane and its axle center, and guaranteed the bottom of nozzle vane and the matching gap of dividing plate, thereby the rotation flexibility and the pneumatic efficiency of turbine have been improved.
The utility model uses aerodynamic principle, center flow velocity according to the air outlet section waste gas of turbine is very fast, and pressure is lower than the phenomenon of external pressure all around, between the air outlet of turbine case and described fit up gap passage inner space, guide channel is set, make the hole of the interior turbine blade trailing edge of turbine case communicate with the gap that driving mechanism assembles employed hole, utilize the ejector action of turbine air outlet high-speed exhaust gas, waste gas in the cavity at the driving mechanism place of variable-nozzle blade is taken away, played the effect of the clearance leakage in the hole that prevents that waste gas from using by driving mechanism dexterously; Simultaneously because this cavity internal pressure is lower than external pressure, at this moment the gap in the air of the outer relatively low ambient temperature of the turbo machine hole of constantly using by driving mechanism enters cavity, discharge from the air outlet of turbine case through guide channel again, played the effect of at high temperature not stopping transport to long-term work vane drive mechanism moving and cooling off again, avoided causing the possibility of driving mechanism locking owing to the reason of seal arrangement, increase under the situation of extra component not needing, improved the operational safety of driving mechanism.
Through hole is set on rolling disc, and this structure helps heat transmission, has alleviated the quality of part again, improves the rigidity of rolling disc.
The connecting rod of driving mechanism adopts being connected of screw with crank, can effectively save the space, is adding the locking effect of lock washer, guarantees the reliability of linkage mechanism.
Turbomachine injection nozzle blade rotation of the present utility model is flexible, and the pneumatic energy loss is little, and anti-leak result is good, and simple and reasonable, and has improved the operational safety of the driving mechanism of nozzle vane.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model embodiment's a front sectional structure schematic representation;
Fig. 2 is the right TV structure schematic representation of Fig. 1;
Fig. 3 is the sectional structure schematic representation that amplify the part of Fig. 1;
Fig. 4 be nozzle vane among Fig. 3 A-A to structural representation;
Fig. 5 is the front sectional structure schematic representation of the utility model embodiment's rolling disc;
Fig. 6 be Fig. 5 B-B to structural representation;
Fig. 7 is the perspective view that the utility model embodiment's crank, connecting rod, push rod connects.
Embodiment
Embodiment 1: referring to Fig. 1～Fig. 7, a kind of turbo machine, comprise turbine case 1, the turbine blade 17 of assembling in turbine case 1, the cartridge housing 9 of fixedlying connected with turbine case 1 through briquetting 10, the thermal shield 8 that the front end of cartridge housing 9 in turbine case 1 is fixing, inboard cylndrical surface contacts with thermal shield 8, and the dividing plate 4 that cylndrical surface, the outside cooperates with turbine case 1 inner seal, be arranged on the rolling disc 6 between thermal shield 8 outer end step cutting patterns and the turbine case 1, the hole that one end passes on the thermal shield 8 is placed in the rotation opening 6a of rolling disc 6, and the other end passes the Kong Houyu connecting rod 11 that is provided with on the cartridge housing 9, the crank 7 that push rod 12 connects, be arranged on 11 nozzle vanes 16 on the jet channel circumference in the turbine case 1, the axle center 16b of fixedlying connected with nozzle vane 16 bottoms, pass on the dividing plate 4 shift fork 15 that the end in the hole that is provided with fixedlys connected with axle center 16b and place in 15 mouthfuls of the shift forks, be fixedly connected on the driving pin 6b on the rolling disc 6, it is characterized in that: on the outer side wall of the jet channel in the pairing described turbine case 1 in the top of described nozzle vane 16 annular groove 1b is set, the plane clearance in the top of described nozzle vane 16 and the described annular groove 1b cooperates; Joint at described nozzle vane 16 and its axle center 16b is provided with round boss 16a, the circular concave station Spielpassung of corresponding setting on described round boss 16a and the described dividing plate 4, and the bottom of described nozzle vane 16 and described dividing plate 4 Spielpassung.
Between the air outlet of described turbine case 1 1a and space, described rolling disc 6 place guide channel is set, described guide channel comprises honeycomb duct 2 and positioning pipe 3; The water conservancy diversion import 2a of wherein said honeycomb duct 2 is arranged on the outer side wall of jet channel of described turbine case 1, and its diversion outlet 2b is arranged on the inner surface of described air outlet 1a of described turbine case 1 the trailing edge 17a place near described turbine blade 17; One end of described positioning pipe 3 is fixedlyed connected with described water conservancy diversion import 2a screw thread, and the other end passes the hole that is provided with on the described dividing plate 4 fixedlys connected with nut 5.
The outlet section of described honeycomb duct 2 is cylindrical.Radially circumference evenly is provided with 3 described guide channels between the described air outlet 1a of described turbine case 1 and space, described rolling disc 6 place.
Surface between the described driving pin 6b on the described rolling disc 6 is provided with through hole 6c.
Described crank 7 places the end outside the cartridge housing to fixedly connected through screw 14, lock washer 13 with an end of described connecting rod 11, and the other end of described connecting rod 11 is fixedlyed connected with described push rod 12 through screw 14.
Claims (8)
1, a kind of turbo machine, comprise turbine case (1), the turbine blade (17) of assembling in turbine case (1), the cartridge housing (9) of fixedlying connected with turbine case (1), be positioned at the thermal shield (8) that the front end of turbine case (1) is fixed at cartridge housing (9), inboard cylndrical surface contacts with thermal shield (8), the dividing plate (4) that cylndrical surface, the outside cooperates with turbine case (1) inner seal, be arranged on the rolling disc (6) between thermal shield (8) outer end step cutting pattern and the turbine case (1), be arranged on the driving pin (6b) on the rolling disc (6), the hole that one end passes on the thermal shield (8) is placed in the rotation opening (6a) of rolling disc (6), and the other end places outside the turbo machine and connecting rod (11), the crank (7) that push rod (12) connects, be arranged on the plurality of nozzles blade (16) on the jet channel circumference in the turbine case (1), it is characterized in that: annular groove (1b) is set on the outer side wall of the jet channel in the pairing described turbine case in the top of described nozzle vane (16) (1), and the plane clearance in the top of described nozzle vane (16) and the described annular groove (1b) cooperates; Joint in described nozzle vane (16) and its axle center (16b) is provided with round boss (16a), described round boss (16a) is gone up the circular concave station Spielpassung of corresponding setting with described dividing plate (4), and the bottom of described nozzle vane (16) and described dividing plate (4) Spielpassung.
2, turbo machine as claimed in claim 1 is characterized in that: between air outlet of described turbine case (1) (1a) and described rolling disc (6) space, place guide channel is set, described guide channel comprises honeycomb duct (2) and positioning pipe (3); The water conservancy diversion import 1 (2a) of wherein said honeycomb duct (2) is arranged on the outer side wall of jet channel of described turbine case (1), and its diversion outlet (2b) is arranged on and locates near the trailing edge (17a) of described turbine blade (17) on the inner surface of described air outlet (1a) of described turbine case (1); One end of described positioning pipe (3) is fixedlyed connected with described water conservancy diversion import (2a) screw thread, and the other end passes described dividing plate (4) upward fixedlys connected with nut (5) in the hole of setting.
3, turbo machine as claimed in claim 2 is characterized in that: the outlet section of described honeycomb duct (2) or for cylindrical or for toroidal.
4, as claim 2 or 3 described turbo machines, it is characterized in that: radially circumference is provided with described guide channel more than 1 between described air outlet of described turbine case (1) (1a) and described rolling disc (6) space, place.
5, turbo machine as claimed in claim 4 is characterized in that: the surface between the described driving pin (6b) on the described rolling disc (6) is provided with through hole (6c).
6, turbo machine as claimed in claim 1, it is characterized in that: described crank (7) places the end outside the turbo machine to fixedly connected through screw (14), lock washer (13) with an end of described connecting rod (11), and the other end of described connecting rod (11) is fixedlyed connected with described push rod (12) through screw (14).
7, turbo machine as claimed in claim 5, it is characterized in that: described crank (7) places the end outside the turbo machine to fixedly connected through screw (14), lock washer (13) with an end of described connecting rod (11), and the other end of described connecting rod (11) is fixedlyed connected with described push rod (12) through screw (14).
8, as claim 1 or 7 described turbo machines, it is characterized in that: described crank (7) is stretched out the set passway of an end of turbo machine or is positioned at described cartridge housing (9) go up or be positioned at the assembling joint that described turbine case (1) and described cartridge housing (9) were gone up or be positioned to described turbine case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620112064 CN200985804Y (en) | 2006-12-27 | 2006-12-27 | Turbine machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620112064 CN200985804Y (en) | 2006-12-27 | 2006-12-27 | Turbine machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985804Y true CN200985804Y (en) | 2007-12-05 |
Family
ID=38915262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620112064 Expired - Fee Related CN200985804Y (en) | 2006-12-27 | 2006-12-27 | Turbine machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200985804Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967213A (en) * | 2012-11-18 | 2013-03-13 | 无锡麦铁精密机械制造有限公司 | Location degree detecting and measuring tool |
-
2006
- 2006-12-27 CN CN 200620112064 patent/CN200985804Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967213A (en) * | 2012-11-18 | 2013-03-13 | 无锡麦铁精密机械制造有限公司 | Location degree detecting and measuring tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING JIANGJIN MACHINE CO., LTD. Free format text: FORMER OWNER: JIANGJIN SURPERCHARGER FACTORY Effective date: 20080509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080509 Address after: No. 1, Dongfanghong (Industrial Park), Tak Tak Industrial Park, Jiangjin, Chongqing, 402263 Patentee after: Chongqing Jiangjin Machinery Co., Ltd. Address before: No. 1, Dongfanghong street, Tak Tak Industrial Park, Jiangjin City, Chongqing: 402263 Patentee before: Jiangjin Turbocharger Plant |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Chongqing Jiangzeng Machinery Co., Ltd. False: Chongqing Jiangjin Machinery Co., Ltd. Number: 24 Page: 753 Volume: 24 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: CHONGQING JIANGJIN MACHINE CO., LTD. TO: CHONGQING JIANGZENG MACHINERY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |