CN210919162U - Novel high temperature resistant nozzle cascade subassembly - Google Patents
Novel high temperature resistant nozzle cascade subassembly Download PDFInfo
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- CN210919162U CN210919162U CN201921753505.XU CN201921753505U CN210919162U CN 210919162 U CN210919162 U CN 210919162U CN 201921753505 U CN201921753505 U CN 201921753505U CN 210919162 U CN210919162 U CN 210919162U
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- clamping plate
- nozzle ring
- high temperature
- blades
- temperature resistant
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Abstract
The utility model discloses a novel high temperature resistant nozzle ring assembly, which belongs to the field of nozzle rings and comprises a nozzle ring main body, wherein a first clamping plate and a second clamping plate are respectively fixed on the outer surface of the nozzle ring main body, when blades need to be disassembled, a user can release the fixing bolts by unscrewing the fixing bolts, so that the first clamping plate and the second clamping plate release clamping force to the blades, then the blades can be taken out from between the first clamping plate and the second clamping plate, the disassembling step is completed, when the blades need to be assembled, the user can clamp the blades into between the first clamping plate and the second clamping plate, then the fixing bolts sequentially pass through the first clamping plate, the fixing holes and the second clamping plate, then the fixing bolts are screwed down, the first clamping plate and the second clamping plate are deformed to clamp the blades, thereby the purpose of assembly is achieved, the nozzle ring blades and the nozzle ring main body adopt the disassembling setting, only the deformed blade needs to be replaced when the blade is deformed, so that the use cost is saved.
Description
Technical Field
The utility model relates to a nozzle cascade technical field specifically is a novel high temperature resistant nozzle ring subassembly.
Background
Turbocharging is one of the technological development directions of internal combustion engines in the world, the turbocharging technology can greatly improve the output power of the engine, save energy and reduce the exhaust pollution of the engine, and a nozzle ring is a key component in the modern advanced turbocharger, and the quality and the structure of the nozzle ring directly influence the working performance of the turbocharger and the operation performance of the turbocharger during installation and maintenance.
The existing nozzle ring for the turbocharger is used, because the exhaust gas pressure is large, the temperature is high, the vanes on the nozzle ring are easy to deform, and part of the vanes of the nozzle ring are fixed in a welding mode, so that the vanes are inconvenient to replace, and the working efficiency is influenced after the vanes deform.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel high temperature resistant nozzle ring subassembly to the problem that the blade that proposes the nozzle ring is not convenient for change and blade life is short in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel high temperature resistant nozzle ring subassembly, includes nozzle ring main part, nozzle ring main part's surface is fixed with first splint and second splint respectively, the intermediate position department of first splint and second splint is provided with the blade, the surface one side of blade is run through there is the fixed orifices, just first splint and second splint pass through fixing bolt and are fixed with the blade, just fixing bolt runs through in the inside of fixed orifices, the surface of blade is provided with high temperature resistant layer, one side on high temperature resistant layer is provided with the nickel coating, one side of nickel coating is provided with the chromium coating.
Preferably, the edge position of the nozzle ring main body is provided with a mounting ring around the center of the nozzle ring main body.
Preferably, one side of the first clamping plate is arc-shaped concave, and one side of the second clamping plate is arc-shaped convex.
Preferably, the blades are provided with a plurality of groups, and the plurality of groups of blades are arranged at equal intervals.
Preferably, the bottom parts of the first clamping plate and the second clamping plate are fixed with the nozzle ring main body in a welding mode.
Preferably, the blade is detachably provided with the first clamping plate and the second clamping plate.
Preferably, the base of the vane is in close abutment with the outer surface of the nozzle ring body.
Compared with the prior art, the beneficial effects of the utility model are that: the novel high-temperature-resistant nozzle ring assembly is provided with a first clamping plate, a second clamping plate and fixing bolts, when blades need to be disassembled, a user can take out the fixing bolts by unscrewing the fixing bolts, so that the first clamping plate and the second clamping plate release clamping force on the blades, then the blades can be taken out from between the first clamping plate and the second clamping plate, the disassembling step is completed, when the blades need to be assembled, the user can clamp the blades between the first clamping plate and the second clamping plate, then the fixing bolts sequentially pass through the first clamping plate, the fixing holes and the second clamping plate, then the fixing bolts are screwed down, the first clamping plate and the second clamping plate are deformed to clamp the blades, the assembling purpose is achieved, the nozzle ring blades and the nozzle ring body are disassembled, only the deformed blades need to be replaced when the blades are deformed, and the use cost is saved, simultaneously, the surface of this blade still is provided with nickel coating and chromium coating, chromium coating and nickel coating have very strong protectiveness, chromium coating can make the surface of blade more smooth, difficult adhesion impurity, very strong corrosion resistance has simultaneously, the nickel coating can expose after chromium coating is worn and torn, the stability of nickel coating in the air is very high, and produce the extremely thin passive film of one deck rapidly on the surface, can resist the corruption of some acid material in the waste gas, the hardness of nickel coating and chromium coating is higher simultaneously, the wearability of blade has been improved, like this under the double-deck protection of nickel coating and chromium coating, and the high temperature resistant of blade can be promoted to the high temperature layer, prevent that the blade from taking place high temperature creep, the life of blade has been promoted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the blade structure of the present invention;
FIG. 3 is a schematic view of a first clamping plate of the present invention;
fig. 4 is a schematic view of the cross-section structure of the blade of the present invention.
In the figure: 1. a nozzle ring body; 2. a mounting ring; 3. a blade; 4. a fixing hole; 5. a chromium plating layer; 6. a first splint; 7. a second splint; 8. fixing the bolt; 9. a high temperature resistant layer; 10. and (4) plating a nickel layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: a novel high-temperature-resistant nozzle ring assembly comprises a nozzle ring main body 1, a mounting ring 2, blades 3, fixing holes 4, a chromium coating 5, a first clamping plate 6, a second clamping plate 7, fixing bolts 8, a high-temperature-resistant layer 9 and a nickel coating 10, wherein the outer surface of the nozzle ring main body 1 is respectively fixed with the first clamping plate 6 and the second clamping plate 7, the blades 3 are arranged at the middle positions of the first clamping plate 6 and the second clamping plate 7, the fixing holes 4 penetrate through one side of the outer surface of each blade 3, and first splint 6 and second splint 7 are fixed with blade 3 through fixing bolt 8, and fixing bolt 8 runs through in the inside of fixed orifices 4, and blade 3's surface is provided with high temperature resistant layer 9, and one side of high temperature resistant layer 9 is provided with nickel coating 10, and one side of nickel coating 10 is provided with chromium coating 5 and makes blade 3 surface more smooth, and difficult attached impurity promotes hardness and corrosion resisting property.
Referring to fig. 1 and 3, the edge of the nozzle ring body 1 is surrounded by the mounting ring 2 with the center of the nozzle ring body 1 as the center, so that the nozzle ring body 1 can be conveniently mounted, one side of the first clamping plate 6 is arc-shaped concave, and one side of the second clamping plate 7 is arc-shaped convex, so that the inner side of the first clamping plate is more attached to the outer surface of the vane 3, and the stability is higher.
Referring to fig. 1-4, the vanes 3 are provided with a plurality of sets of vanes 3, and the plurality of sets of vanes 3 are arranged at equal intervals to facilitate better exhaust of exhaust gas, and the bottoms of the first clamping plate 6 and the second clamping plate 7 are fixed to the nozzle ring body 1 by welding, so that the first clamping plate 6 and the second clamping plate 7 are fixed more firmly.
Referring to fig. 1-4, the vanes 3 are detachably disposed on the first clamping plate 6 and the second clamping plate 7, so that the vanes 3 can be easily replaced, and the bottoms of the vanes 3 are tightly attached to the outer surface of the nozzle ring body 1, so that the vanes are more firmly fixed and have better stability.
The working principle is as follows: firstly, whether each part is intact is checked by a worker, if the part is damaged, the part is replaced in time, then the nozzle ring main body is installed on the turbocharger by the worker through the installation ring 2 for use, in the using process, the chromium coating 5 can enable the outer surface of the blade 3 to be smoother, impurities are not prone to adhering, and meanwhile, the corrosion resistance is very strong, when the chromium coating 5 is abraded, the nickel coating 10 can be exposed, the stability of the nickel coating 10 in the air is very high, a very thin passivation film is rapidly generated on the surface, the corrosion of certain acidic substances in waste gas can be resisted, meanwhile, the hardness of the nickel coating 10 and the hardness of the chromium coating 5 are higher, the wear resistance of the blade is improved, the high temperature resistance of the blade 3 can be improved through the high temperature resistance layer 9, the high temperature creep of the blade 3 is prevented, when the blade 3 needs to be replaced after being used for a long time, take fixing bolt 8 out, make first splint 6 and second splint 7 release clamping-force to blade 3 like this, then alright take out blade 3 from between first splint 6 and the second splint 7, the dismantlement step has been accomplished, when needs are installed, the user blocks blade 3 into between first splint 6 and the second splint 7, then pass first splint 6 with fixing bolt 8 in proper order, fixed orifices 4 and second splint 7, screw up fixing bolt 8 again, make first splint 6 and second splint 7 take place to deform and carry out the centre gripping to blade 3, thereby the purpose of installation has been reached.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel high temperature resistant nozzle ring assembly, includes nozzle ring main part (1), its characterized in that: the outer surface of nozzle ring main part (1) is fixed with first splint (6) and second splint (7) respectively, the intermediate position department of first splint (6) and second splint (7) is provided with blade (3), the surface one side of blade (3) is run through has fixed orifices (4), just first splint (6) and second splint (7) are fixed with blade (3) through fixing bolt (8), just fixing bolt (8) run through in the inside of fixed orifices (4), the surface of blade (3) is provided with high temperature resistant layer (9), one side of high temperature resistant layer (9) is provided with nickel coating (10), one side of nickel coating (10) is provided with chromium coating (5).
2. The novel high temperature resistant nozzle ring assembly as claimed in claim 1, wherein: the edge position of the nozzle ring main body (1) is provided with a mounting ring (2) in a surrounding way by taking the circle center of the nozzle ring main body (1) as the midpoint.
3. The novel high temperature resistant nozzle ring assembly as claimed in claim 1, wherein: one side of the first clamping plate (6) is arc-shaped concave, and one side of the second clamping plate (7) is arc-shaped convex.
4. The novel high temperature resistant nozzle ring assembly as claimed in claim 1, wherein: the blades (3) are provided with a plurality of groups, and the blades (3) are arranged at equal intervals.
5. The novel high temperature resistant nozzle ring assembly as claimed in claim 1, wherein: the bottoms of the first clamping plate (6) and the second clamping plate (7) are fixed with the nozzle ring main body (1) in a welding mode.
6. The novel high temperature resistant nozzle ring assembly as claimed in claim 1, wherein: the blades (3) are detachably arranged with the first clamping plate (6) and the second clamping plate (7).
7. The novel high temperature resistant nozzle ring assembly as claimed in claim 1, wherein: the bottoms of the blades (3) are tightly attached to the outer surface of the nozzle ring main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753505.XU CN210919162U (en) | 2019-10-18 | 2019-10-18 | Novel high temperature resistant nozzle cascade subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753505.XU CN210919162U (en) | 2019-10-18 | 2019-10-18 | Novel high temperature resistant nozzle cascade subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919162U true CN210919162U (en) | 2020-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921753505.XU Active CN210919162U (en) | 2019-10-18 | 2019-10-18 | Novel high temperature resistant nozzle cascade subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919162U (en) |
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2019
- 2019-10-18 CN CN201921753505.XU patent/CN210919162U/en active Active
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