CN214366221U - High temperature resistant nozzle cascade convenient to maintain - Google Patents
High temperature resistant nozzle cascade convenient to maintain Download PDFInfo
- Publication number
- CN214366221U CN214366221U CN202023169153.9U CN202023169153U CN214366221U CN 214366221 U CN214366221 U CN 214366221U CN 202023169153 U CN202023169153 U CN 202023169153U CN 214366221 U CN214366221 U CN 214366221U
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- blade
- high temperature
- temperature resistant
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Abstract
The utility model discloses a high temperature resistant nozzle cascade convenient to maintain relates to the nozzle cascade field, including the mounting disc, the positive activity of mounting disc is provided with a plurality of rotation axes, the outer wall of rotation axis all is provided with the blade, and the top of blade has seted up the mounting hole, a plurality of first block grooves have been seted up to the outer wall of rotation axis. The utility model discloses the blade is detachable construction, use the emergence after warping for a long time at the blade, take off positioning bolt, take out the locating piece, the block takes out from first block groove and second block groove this moment, can change the blade, change and install locating piece and block again after finishing, can fix the blade with positioning bolt, it is comparatively convenient to make the maintenance of blade through setting up above structure, the surface of blade is provided with titanium coating layer and high temperature resistant layer, the wearability and the high temperature resistance of effectual increase blade, the promotion that the life that makes the blade obtained to a certain extent, the maintenance cost of nozzle cascade has been reduced.
Description
Technical Field
The utility model relates to a nozzle cascade field specifically is a high temperature resistant nozzle cascade convenient to maintain.
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.
Current nozzle ring is in the use, because the pressure of waste gas is great, and the temperature is higher, can lead to the blade to warp after using for a long time, influences the work efficiency of nozzle ring, and partial blade is welded fastening simultaneously, in case the deformation phenomenon appears, and the blade is changed inconveniently, can lead to whole damage of nozzle ring to scrap, has further increased nozzle ring use cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that common nozzle ring blades are inconvenient to replace, a high-temperature-resistant nozzle ring convenient to maintain is provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant nozzle cascade convenient to maintain, includes the mounting disc, the positive activity of mounting disc is provided with a plurality of rotation axes, the outer wall of rotation axis all is provided with the blade, and the top of blade has seted up the mounting hole, a plurality of first block grooves have been seted up to the outer wall of rotation axis, the inner wall of mounting hole is provided with second block groove, the top of rotation axis is provided with the locating piece, and the bottom of locating piece is provided with a plurality of block pieces, the top of rotation axis is provided with positioning bolt, the outer wall of blade is provided with high temperature resistant layer, and the outer wall on high temperature resistant layer is provided with the titanium coating layer.
Preferably, the top of the rotating shaft is provided with a positioning hole, and the shape and size of the positioning hole are matched with those of the positioning bolt.
Preferably, the number of the blades is multiple groups, and the multiple groups of blades are equidistantly arranged on the front surface of the mounting disc.
Preferably, the outer wall of the mounting plate is provided with a plurality of mounting lugs, and the front faces of the mounting lugs are provided with fixing holes.
Preferably, the outer wall of the clamping block is movably connected with the inner walls of the first clamping groove and the second clamping groove, and the shape and size of the clamping block are matched with those of the square groove formed by combining the first clamping groove and the second clamping groove.
Preferably, the bottom of the blade is in close abutment with the front face of the mounting plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a blade is detachable construction, use the emergence after warping for a long time at the blade, take off positioning bolt, take out the locating piece, the block takes out from first block groove and second block groove this moment, can change the blade, change and install locating piece and block piece again after finishing, can fix the blade with positioning bolt, it is comparatively convenient to make the maintenance of blade through setting up above structure, the surface of blade is provided with titanium coating layer and high temperature resistant layer, the wearability and the high temperature resistance of effectual increase blade, the promotion that the life that makes the blade obtained to a certain extent, the maintenance cost of nozzle cascade has been reduced, people's demand has been satisfied.
Drawings
FIG. 1 is a sectional top view of the present invention;
FIG. 2 is a schematic view of the structural connection between the blade and the rotating shaft according to the present invention;
FIG. 3 is a side cross-sectional view of the blade and the rotating shaft of the present invention;
fig. 4 is a cross-sectional view of the blade of the present invention.
In the figure: 1. mounting a disc; 2. a rotating shaft; 3. a blade; 4. mounting holes; 5. a first engaging groove; 6. a second engaging groove; 7. positioning holes; 8. positioning blocks; 9. a clamping block; 10. positioning the bolt; 11. plating a titanium layer; 12. a high temperature resistant layer; 13. and (5) mounting the lug.
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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
Referring to fig. 1-3, a high temperature resistant nozzle ring convenient for maintenance comprises a mounting plate 1, a plurality of rotating shafts 2 are movably arranged on the front surface of the mounting plate 1, blades 3 are arranged on the outer walls of the rotating shafts 2, mounting holes 4 are formed in the tops of the blades 3, a plurality of first engaging grooves 5 are formed in the outer walls of the rotating shafts 2, second engaging grooves 6 are formed in the inner walls of the mounting holes 4, positioning blocks 8 are arranged on the tops of the rotating shafts 2, a plurality of engaging blocks 9 are arranged at the bottoms of the positioning blocks 8, positioning bolts 10 are arranged at the tops of the rotating shafts 2, high temperature resistant layers 12 are arranged on the outer walls of the blades 3, titanium-plated layers 11 are arranged on the outer walls of the high temperature resistant layers 12, the blades 3 are of detachable structures, after the blades 3 deform after long-term use, the positioning bolts 10 are removed, the positioning blocks 8 are removed, and the engaging blocks 9 are removed from the first engaging grooves 5 and the second engaging grooves 6, can change blade 3, after finishing changing, install locating piece 8 and block 9 again, can fix blade 3 with positioning bolt 10, it is comparatively convenient to make the maintenance of blade 3 through the structure more than setting up, the surface of blade 3 is provided with titanium coating layer 11 and high temperature resistant layer 12, the wearability and the high temperature resistance of effectual increase blade 3, the promotion that the life that makes blade 3 obtains to a certain extent, the maintenance cost of nozzle ring has been reduced, people's demand has been satisfied.
Please refer to fig. 2 and fig. 3, a positioning hole 7 is formed at the top of the rotating shaft 2, and the shape and size of the positioning hole 7 are matched with the shape and size of the positioning bolt 10, so that the positioning bolt 10 can fix the positioning block 8 conveniently through the positioning hole 7.
Please refer to fig. 1, the number of the blades 3 is multiple, and the multiple groups of blades 3 are equidistantly arranged on the front surface of the mounting plate 1, so that the flow of the exhaust gas is effectively controlled by the arranged blades 3.
Please refer to fig. 1, the outer wall of the mounting plate 1 is provided with a plurality of mounting lugs 13, and the front surfaces of the mounting lugs 13 are provided with fixing holes, so that the mounting of the nozzle ring is facilitated through the mounting lugs 13.
Please refer to fig. 2, the outer wall of the engaging block 9 is movably connected to the inner walls of the first engaging groove 5 and the second engaging groove 6, and the shape and size of the engaging block 9 are matched with the shape and size of the square groove formed by the first engaging groove 5 and the second engaging groove 6, so that the engaging block 9 can fix the blade 3 conveniently through the first engaging groove 5 and the second engaging groove 6.
Please refer to fig. 1, the bottom of the blade 3 is closely attached to the front surface of the mounting plate 1, and the blade 3 is attached to the mounting plate 1, so that the use effect of the blade 3 is effectively increased.
The working principle is as follows: this novel blade 3 of nozzle ring is detachable construction, after the long-time use of blade 3 takes place to warp, take off positioning bolt 10, take out locating piece 8, the block 9 takes out from first block groove 5 and second block groove 6 this moment, can change blade 3, change and finish the back and install locating piece 8 and block 9 again, can fix blade 3 with positioning bolt 10, it is comparatively convenient to make the maintenance of blade 3 through setting up above structure, the surface of blade 3 is provided with titanium coating layer 11 and high temperature resistant layer 12, effectual increase blade 3's wearability and high temperature resistance, the promotion that the life that makes blade 3 obtains to a certain extent, the maintenance cost of nozzle ring has been reduced, people's demand has been satisfied.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a high temperature resistant nozzle cascade convenient to maintain, includes mounting disc (1), its characterized in that: the front activity of mounting disc (1) is provided with a plurality of rotation axis (2), the outer wall of rotation axis (2) all is provided with blade (3), and mounting hole (4) have been seted up at the top of blade (3), a plurality of first block groove (5) have been seted up to the outer wall of rotation axis (2), the inner wall of mounting hole (4) is provided with second block groove (6), the top of rotation axis (2) is provided with locating piece (8), and the bottom of locating piece (8) is provided with a plurality of block (9), the top of rotation axis (2) is provided with positioning bolt (10), the outer wall of blade (3) is provided with high temperature resistant layer (12), and the outer wall on high temperature resistant layer (12) is provided with titanium coating layer (11).
2. The high temperature resistant nozzle ring of claim 1, wherein: the top of the rotating shaft (2) is provided with a positioning hole (7), and the shape and the size of the positioning hole (7) are matched with those of the positioning bolt (10).
3. The high temperature resistant nozzle ring of claim 1, wherein: the quantity of blade (3) is the multiunit, and multiunit blade (3) equidistance sets up in the front of mounting disc (1).
4. The high temperature resistant nozzle ring of claim 1, wherein: the outer wall of mounting disc (1) is provided with a plurality of installation ears (13), and the front of installation ear (13) is provided with the fixed orifices.
5. The high temperature resistant nozzle ring of claim 1, wherein: the outer wall of the clamping block (9) is movably connected with the inner walls of the first clamping groove (5) and the second clamping groove (6), and the shape and the size of the clamping block (9) are matched with those of square grooves formed by combining the first clamping groove (5) and the second clamping groove (6).
6. The high temperature resistant nozzle ring of claim 1, wherein: the bottom of the blade (3) is tightly attached to the front surface of the mounting disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169153.9U CN214366221U (en) | 2020-12-25 | 2020-12-25 | High temperature resistant nozzle cascade convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169153.9U CN214366221U (en) | 2020-12-25 | 2020-12-25 | High temperature resistant nozzle cascade convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214366221U true CN214366221U (en) | 2021-10-08 |
Family
ID=77988758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023169153.9U Active CN214366221U (en) | 2020-12-25 | 2020-12-25 | High temperature resistant nozzle cascade convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214366221U (en) |
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2020
- 2020-12-25 CN CN202023169153.9U patent/CN214366221U/en active Active
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