CN201486599U - Nozzle ring capable of changing cross sections - Google Patents
Nozzle ring capable of changing cross sections Download PDFInfo
- Publication number
- CN201486599U CN201486599U CN2009200428292U CN200920042829U CN201486599U CN 201486599 U CN201486599 U CN 201486599U CN 2009200428292 U CN2009200428292 U CN 2009200428292U CN 200920042829 U CN200920042829 U CN 200920042829U CN 201486599 U CN201486599 U CN 201486599U
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- CN
- China
- Prior art keywords
- nozzle ring
- sharf
- shift fork
- axis hole
- shifting fork
- 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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Abstract
The utility model discloses a nozzle ring capable of changing cross sections. The nozzle ring comprises a mounting disk, a shifting fork disk, a shifting fork and a vane, wherein a plurality of through holes which are axially penetrated are evenly distributed on the mounting disk, a vane shaft is mounted in the shaft holes, two ends of the vane shaft are respectively fixedly connected with one ends of the vane and the shifting fork, the other end of the shifting fork is connected with the shifting fork disk, at least a peripheral ring groove is arranged on the shaft body of the vane shaft, and lubricant is filled in the ring groove. The nozzle ring has excellent lubrication effect, low work noise, excellent product performance and long use cycle.
Description
Technical field
The utility model relates to a kind of variable-area nozzle ring that is applied on turbosupercharger, the miniature gas turbine.
Background technique
Turbosupercharger is that the machinery that a kind ofly makes reciprocating engine significantly improve output power under the constant situation of basic structure, improves Economy, alleviates exhaust emission is not equipped with, therefore motor adopts turbosupercharger can significantly improve power, reduce exhaust pollution, improve economic performance, and the engine configurations turbosupercharger becomes one of topmost technological development direction of motor; And nozzle ring is a vitals in the pressurized machine, the operating characteristics when its quality and structure directly influence the service behaviour of pressurized machine and installation and maintenance.At present, the nozzle ring that pressurized machine is used, several shift forks, the sharf that comprise mounting disc, shift fork dish, circumferentially be provided with along described shift fork dish internal face, be evenly equipped with the axis hole that several axially run through in the described mounting disc, described sharf passes the both sides that axis hole is fixed in blade and shift fork mounting disc respectively.Right in the valve of blade as control air inlet size, need frequent rotation work, and whole nozzle ring all is operated under 700-800 degree even the higher temperature environment friction between sharf and the axis hole and the lubricated severe problem that hinders the nozzle ring development that becomes.
The model utility content
The technical problems to be solved in the utility model provides a kind of variable-area nozzle ring, and this nozzle ring has solved friction and lubrication problem between sharf and the axis hole by improving, and has improved the capability and performance and the working life of whole nozzle ring.
For solving the problems of the technologies described above, a kind of variable-area nozzle ring that the utility model adopted, comprise mounting disc, shift fork dish, shift fork and blade, be evenly equipped with the axis hole that several axially run through in the described mounting disc, sharf is installed in the axis hole, and described sharf two ends are affixed with an end of blade and shift fork respectively, and the other end of described shift fork and shift fork dish are connected, described sharf axle body has a circumferential groove in its end portion at least, is filled with oiling agent in the described annular groove.
The utility model is because the sharf axle body has circumferential groove in its end portion, and packing lubrication agent in groove, can further enlarge the storage volume of oiling agent; After adopting such structure, not only can reduce friction area between the two by slotting, and can reduce friction, improve performance, prolong life cycle by the oiling agent that stores in the groove.
In order further to reduce bleeding of lubricant under high temperature condition, the aperture at described axis hole two ends is less than the aperture of axis hole intermediate portion.
As a kind of preferred implementation of the present utility model, described axis hole annular groove quantity is two.
In order not influence the intensity of blade itself, described annular groove depth d is no more than 1/3 sharf radius r.
After adopting the such structure of the utility model, can guarantee nozzle ring under hot environment, sharf rolls and can rotate neatly.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 looks schematic representation for the master of the utility model nozzle ring.
Fig. 2 is the schematic rear view of the utility model nozzle ring
Fig. 3 is along the section enlarged diagram of A-A line among Fig. 1.
Fig. 4 is the structural representation of sharf.
Wherein, 1 is mounting disc; 2 is the shift fork dish; 3 is shift fork; 4 is blade; 5 is axis hole; 6 is sharf; 6-1 is the sharf annular groove.
Embodiment
Referring to Fig. 1, a kind of pressurized machine nozzle ring shown in Figure 2, several shift forks 3 that comprise mounting disc 1, shift fork dish 2, blade 3, circumferentially are provided with along described shift fork dish 2 internal faces and with described shift fork dish 2 internal faces roll cooperates and by several rollers of pin supporting, axial several uniform axis holes that axially run through 5 in mounting disc 1.
Referring to Fig. 3, shown in Figure 4: omitted shift fork 3 and shift fork dish 2 among Fig. 3, described sharf 6 passes the both sides that axis hole 5 is fixed in blade 4 and shift fork 3 mounting disc 1 respectively, described axis hole 5 is the big olive-shaped structure in intermediate portion small in ends, have two circumferential groove in its end portion 6-1 on the described sharf 6, sharf 6 radius r that described annular groove 6-1 depth d equals 1/4.
The utility model is filled solid lubricant when mounted in described sharf annular groove, during work, under hot environment, solid lubricant is converted into liquid state, for lubrication is played in the rotation of sharf; Add the design of axis hole, can reduce bleeding of lubricant, strengthen lubrication effect, guaranteed the flexible rotation of sharf.
Nozzle ring of the present utility model is through on probation in turbocharger, and effect is remarkable, high lubricating effect not only, and operating noise is low, and the product quality height, and life cycle is long.
Claims (4)
1. variable-area nozzle ring, comprise mounting disc, shift fork dish, shift fork and blade, be evenly equipped with the axis hole that several axially run through in the described mounting disc, sharf is installed in the axis hole, described sharf two ends are affixed with an end of blade and shift fork respectively, the other end of described shift fork and shift fork dish are connected, and it is characterized in that: described sharf axle body has a circumferential groove in its end portion at least, is provided with oiling agent in the described annular groove.
2. a kind of variable-area nozzle ring according to claim 1 is characterized in that: the aperture at described axis hole two ends is less than the aperture of axis hole intermediate portion.
3. a kind of variable-area nozzle ring according to claim 1 is characterized in that: described annular groove quantity is two.
4. according to each described a kind of variable-area nozzle ring of claim 1 to 3, it is characterized in that: described annular groove depth d is no more than 1/3 sharf radius r.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200428292U CN201486599U (en) | 2009-06-26 | 2009-06-26 | Nozzle ring capable of changing cross sections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200428292U CN201486599U (en) | 2009-06-26 | 2009-06-26 | Nozzle ring capable of changing cross sections |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201486599U true CN201486599U (en) | 2010-05-26 |
Family
ID=42425481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200428292U Expired - Fee Related CN201486599U (en) | 2009-06-26 | 2009-06-26 | Nozzle ring capable of changing cross sections |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201486599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026176A (en) * | 2018-06-22 | 2018-12-18 | 苏州诺迅汽车零部件有限公司 | A kind of nozzle ring assemblies |
-
2009
- 2009-06-26 CN CN2009200428292U patent/CN201486599U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026176A (en) * | 2018-06-22 | 2018-12-18 | 苏州诺迅汽车零部件有限公司 | A kind of nozzle ring assemblies |
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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: 20100526 Termination date: 20150626 |
|
| EXPY | Termination of patent right or utility model |