CN219691598U - Moving blade convenient to replace - Google Patents
Moving blade convenient to replace Download PDFInfo
- Publication number
- CN219691598U CN219691598U CN202321267139.3U CN202321267139U CN219691598U CN 219691598 U CN219691598 U CN 219691598U CN 202321267139 U CN202321267139 U CN 202321267139U CN 219691598 U CN219691598 U CN 219691598U
- Authority
- CN
- China
- Prior art keywords
- impeller
- clamping block
- resistant layer
- blade
- layer
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000005260 corrosion Methods 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- 230000003064 anti-oxidating effect Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000001771 impaired effect Effects 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000003973 paint Substances 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model discloses a moving blade convenient to replace, which relates to the technical field of steam turbines and comprises an impeller and a mounting assembly, wherein a blade main body is arranged on the outer side of the impeller, the mounting assembly for mounting and dismounting the moving blade is arranged in the impeller, the mounting assembly comprises a clamping groove, a clamping block, a gasket, a through hole, a fastening bolt and a mounting block, the clamping groove is internally connected with the clamping block, the gasket is arranged below the clamping block, and the through holes are formed in two sides of the upper end of the clamping block. This moving blade convenient to change, through the setting of installation component, can be when the moving blade of being convenient for change uses, utilizes the inside installation component of impeller to avoid the difficult equipment of current turbine moving blade and change the inconvenient problem of change when appearing a damage in causing a plurality of blades, through installation piece with blade main part and fixture block fixed connection, the draw-in groove of the inside seting up of impeller is jogged mutually with the fixture block of blade main part lower extreme for the blade main part is connected with the impeller through the fixture block.
Description
Technical Field
The utility model relates to the technical field of steam turbines, in particular to a moving blade convenient to replace.
Background
The turbine is also called a steam turbine engine, is a rotary steam power device, high-temperature and high-pressure steam is sprayed onto blades after passing through a fixed nozzle to become accelerated airflow, so that a rotor provided with a blade row rotates and simultaneously does work outwards, and is main equipment of a modern thermal power plant, and the turbine is also used in metallurgical industry, chemical industry and ship power devices, and a moving blade is needed to improve the service efficiency of the turbine.
The utility model as in application number 201822017679.1 discloses a turbine moving blade, the utility model is provided with a diversion circular arc groove between a big blade and a small blade, the diversion circular arc groove is internally provided with an embedded groove, the embedded groove is internally provided with a reinforced alloy layer, the arranged reinforced alloy layer can ensure the erosion resistance of the whole torsion blade, the service life is prolonged, the production cost is lower, the structure is simple and reasonable, meanwhile, the included angle between one side edge of the big blade and the vertical surface is twenty-two to twenty-seven degrees, the included angle between one side edge of the other big blade and the vertical surface is thirty-five to forty degrees, the steam inlet efficiency is highest, the most saving degree of materials can be achieved, and the steam inlet efficiency is increased, but similar to the comparison document of the application, when the turbine moving blade is used, the stability of the moving blade is not enough to be ensured because the clamping installation is mainly, and meanwhile, the moving blade is inconvenient to assemble or replace by workers, and the problem of the convenience in use of the turbine moving blade is reduced.
Accordingly, in view of the above, studies and improvements have been made on the conventional structure and the conventional disadvantages, and a rotor blade that is easy to replace has been proposed.
Disclosure of Invention
The present utility model is directed to a rotor blade that is easy to replace, and solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a moving blade convenient to change, includes impeller and installation component, the impeller outside is provided with the blade main part for the moving blade installation is dismantled installation component sets up inside the impeller, and installation component includes draw-in groove, fixture block, gasket, through-hole, fastening bolt and installation piece, draw-in groove internal connection has the fixture block, and the fixture block below is provided with the gasket to the through-hole has been seted up to fixture block upper end both sides, and through-hole internally connected has fastening bolt simultaneously, the fixture block upper end is fixed with the installation piece, the inside protective component that is used for preventing impaired that is provided with of blade main part, the fastening bolt outside is provided with spacing subassembly.
Further, the inner dimension of the clamping groove is matched with the outer dimension of the clamping block, and the clamping block is in sliding connection with the impeller through the clamping groove.
Further, the clamping block is connected with the impeller in an embedded mode, and the clamping block is connected with the impeller through a fastening bolt in a threaded mode.
Further, the clamping block is connected with the impeller in an embedded mode, and the blade main body is connected with the impeller in a sliding mode through the clamping block.
Further, the protection component comprises a wear-resistant layer, an antioxidant layer, an anticorrosive layer and a heat-resistant layer, wherein the antioxidant layer is connected to the lower end of the wear-resistant layer, the anticorrosive layer is arranged at the lower end of the antioxidant layer, and the heat-resistant layer is arranged at the lower end of the anticorrosive layer.
Furthermore, the upper side and the lower side of the antioxidation layer are respectively provided with a wear-resistant layer and an anti-corrosion layer, and the antioxidation layer is arranged and limited between the wear-resistant layer and the anti-corrosion layer.
Further, spacing subassembly includes installing frame, spring pull rod and grip block, and installing frame internal connection has the spring pull rod, and the spring pull rod front end is fixed with the grip block.
Further, the installation frame is fixedly installed on the outer side of the impeller through screws, and the bottom of the installation frame is tightly attached to the outer side of the impeller.
The utility model provides a moving blade convenient to replace, which has the following beneficial effects:
1. according to the utility model, through the arrangement of the mounting assembly, when the movable blade convenient to replace is used, the problem that the conventional turbine movable blade is inconvenient to replace when one of a plurality of blades is damaged due to difficult assembly and replacement is solved by utilizing the mounting assembly in the impeller, the blade main body is fixedly connected with the clamping block through the mounting block, the clamping groove formed in the impeller is embedded with the clamping block at the lower end of the blade main body, so that the blade main body is connected with the impeller through the clamping block, the blade main body is fixed with the impeller through the clamping block by matching with the through holes formed in the two sides of the clamping block through the fastening bolts, the use stability of the blade main body after being installed is further ensured, and meanwhile, the bolt structure is convenient to install and detach, so that the impeller is not required to be detached when the blade main body is replaced, and the operation is simple and the construction period is short.
2. According to the utility model, through the arrangement of the protective component, when the movable blade convenient to replace is used, the problems of shortened service life and reduced operation efficiency caused by poor overall protective performance of the movable blade of the conventional steam turbine are avoided through the protective component in the main blade body, the wear-resistant layer arranged on the outer side of the main blade body increases the wear-resistant performance of the movable blade, the service life of the movable blade is prolonged, the oxidation-resistant layer on the inner side of the wear-resistant layer protects the movable blade, and is prevented from being oxidized, and meanwhile, the corrosion-resistant layer on the inner side of the oxidation-resistant layer is graphene epoxy corrosion-resistant paint.
3. According to the utility model, through the arrangement of the limiting assembly, when the movable blade convenient to replace is used, the problem of bolt loosening caused by the action of external force which is used for a long time after the conventional movable blade of the steam turbine is fixed by the bolts is avoided through the limiting assembly on the outer side of the fastening bolt, the spring pull rod is limited and fixed on the outer side of the impeller through the mounting frame, and the clamping block at the front end of the spring pull rod is matched for limiting the hexagonal fastening bolt, so that the condition that the stability of the main body of the blade is poor due to the loosening of the fastening bolt after the long-time action of external force is avoided, and the service efficiency of the movable blade of the steam turbine is further improved.
Drawings
FIG. 1 is a schematic view of an overall sectional structure of a rotor blade of the present utility model for easy replacement;
FIG. 2 is a schematic perspective view of a fixture block of a rotor blade according to the present utility model;
FIG. 3 is a perspective view showing a rotor blade protecting assembly for easy replacement according to the present utility model;
fig. 4 is a schematic top view of a limiting assembly of a rotor blade according to the present utility model.
In the figure: 1. an impeller; 2. a blade body; 3. a mounting assembly; 301. a clamping groove; 302. a clamping block; 303. a gasket; 304. a through hole; 305. a fastening bolt; 306. a mounting block; 4. a protective assembly; 401. a wear-resistant layer; 402. an oxidation resistant layer; 403. an anti-corrosion layer; 404. a heat-resistant layer; 5. a limit component; 501. a mounting frame; 502. a spring pull rod; 503. and a clamping block.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, a rotor blade convenient to replace comprises an impeller 1 and a mounting component 3, wherein a blade main body 2 is arranged on the outer side of the impeller 1, the mounting component 3 for mounting and dismounting the rotor blade is arranged inside the impeller 1, the mounting component 3 comprises a clamping groove 301, a clamping block 302, a gasket 303, a through hole 304, a fastening bolt 305 and a mounting block 306, the clamping groove 301 is internally connected with the clamping block 302, the gasket 303 is arranged below the clamping block 302, the through hole 304 is formed in two sides of the upper end of the clamping block 302, the fastening bolt 305 is internally connected with the through hole 304, the mounting block 306 is fixed at the upper end of the clamping block 302, the inner dimension of the clamping groove 301 is matched with the outer dimension of the clamping block 302, the clamping block 302 is in sliding connection with the impeller 1 through the clamping groove 301, the clamping block 302 is in embedded connection with the impeller 1, the clamping block 302 is in threaded connection with the impeller 1 through the fastening bolt 305, the blade main body 2 is in sliding connection with the impeller 1 through the clamping block 302, the clamping block 302 is fixedly connected with the clamping block 302 through the mounting block 306, the clamping groove 301 arranged in the inner side of the impeller 1 is embedded with the clamping block 302 at the lower end of the blade main body 2, and the clamping block 302 is matched with the blade main body 2 through the fastening bolt 302, and the fixing bolt 2 is not convenient to detach the blade main body 2, and the rotor blade main body is easy to detach by the fastening bolt 2 is in a structure and the bolt is easy to use;
as shown in fig. 1, 3 and 4, a protection component 4 for preventing damage is arranged inside a blade body 2, a limit component 5 is arranged outside a fastening bolt 305, the protection component 4 comprises a wear-resistant layer 401, an oxidation-resistant layer 402, an anti-corrosion layer 403 and a heat-resistant layer 404, the lower end of the wear-resistant layer 401 is connected with the oxidation-resistant layer 402, the lower end of the oxidation-resistant layer 402 is provided with the anti-corrosion layer 403, the heat-resistant layer 404 is arranged at the lower end of the anti-corrosion layer 403, the wear-resistant layer 401 and the anti-corrosion layer 403 are respectively arranged at the upper side and the lower side of the oxidation-resistant layer 402, the oxidation-resistant layer 402 is arranged between the wear-resistant layer 401 and the anti-corrosion layer 403, the limit component 5 comprises a mounting frame 501, a spring pull rod 502 and a clamping block 503, the inside of the mounting frame 501 is connected with the spring pull rod 502, the front end of the spring pull rod 502 is fixed with the clamping block 503, the mounting frame 501 is fixedly arranged at the outer side of an impeller 1 through screws, the bottom of the mounting frame 501 is tightly attached to the outer side of the impeller 1, the wear-resistant layer 401 arranged on the outer side of the blade main body 2 increases the wear resistance of the blade, the service life of the blade is prolonged, meanwhile, the anti-oxidation layer 402 on the inner side of the wear-resistant layer 401 protects the blade, the anti-oxidation layer 402 is prevented from being oxidized, the anti-corrosion layer 403 on the inner side of the anti-oxidation layer 402 is graphene epoxy anti-corrosion paint, various performance indexes including the anti-corrosion performance of the paint are greatly improved, the heat-resistant layer 404 effectively improves the thermal shock resistance of the blade, the thermal deformation or the compression fracture of the blade is avoided, the service efficiency of the blade is improved, the spring pull rod 502 is mounted on the outer side of the fastening bolt 305 through the mounting frame 501, the clamping block 503 at the front end of the spring pull rod 502 is matched for limiting the hexagonal fastening bolt 305, so that the situation that the fastening bolt 305 is loosened after being mounted due to long-term external force action is avoided, further improving the service efficiency of the turbine moving blade.
In summary, when the rotor blade convenient to replace is used, firstly, the blade main body 2 is fixedly connected with the clamping block 302 by utilizing the mounting block 306, the clamping groove 301 formed in the impeller 1 is embedded with the clamping block 302 at the lower end of the blade main body 2, through holes 304 formed on two sides of the matching clamping block 302 are matched to fix the rotor blade with the impeller 1 through bolts 305, the stability of the use of the blade main body 2 after mounting is further ensured, meanwhile, the bolt structure is convenient to mount and dismount, the operation is simple and the construction period is short when the blade main body 2 is replaced, then, the wear-resistant layer 401 on the outer side of the blade main body 2 is made of titanium alloy, has excellent characteristics of high strength, high hardness, high toughness, corrosion resistance, good wear resistance and the like, thereby prolonging the service life of the rotor blade, the oxidation-resistant layer 402 on the inner side of the wear-resistant layer 401 is a novel composite material of hafnium carbonitride, the hafnium carbonitride is synthesized by burning the mixture of hafnium and carbon in nitrogen, and a plasma sintering is used to obtain a blocky material, so as to protect the moving blade from oxidation, meanwhile, the anticorrosive layer 403 on the inner side of the antioxidant layer 402 is a graphene epoxy anticorrosive paint, various performance indexes including anticorrosive performance of the paint can be greatly improved through a unique two-dimensional lamellar structure of graphene, the heat-resistant layer 404 is composed of graphite fibers, graphite has better high temperature resistance, thermal conductivity and thermal shock resistance, the thermal shock resistance of the moving blade can be effectively improved, the thermal deformation or compression fracture of the moving blade is avoided, the service efficiency of the moving blade is improved, finally, the spring pull rod 502 is installed on the outer side of the fastening bolt 305 through the installation frame 501, the clamping block 503 is elastically connected with the installation frame 501 through the spring pull rod 502, so that the hexagonal fastening bolt 305 is limited by the clamping block 503, the problem that the use of the blade main body 2 is affected due to the fact that the fastening bolts 305 are loosened due to long-term external force is avoided, and the service efficiency of the moving blade is further improved. .
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a moving blade convenient to change, includes impeller (1) and installation component (3), a serial communication port, impeller (1) outside is provided with blade main part (2), is used for moving blade installation dismantlement installation component (3) set up inside impeller (1), and installation component (3) are including draw-in groove (301), fixture block (302), gasket (303), through-hole (304), fastening bolt (305) and installation piece (306), draw-in groove (301) internal connection has fixture block (302), and fixture block (302) below is provided with gasket (303) to through-hole (304) have been seted up to fixture block (302) upper end both sides, and through-hole (304) internal connection has fastening bolt (305) simultaneously, fixture block (302) upper end is fixed with installation piece (306), blade main part (2) inside is provided with and is used for preventing impaired protective component (4), fastening bolt (305) outside is provided with spacing subassembly (5).
2. A rotor blade according to claim 1, characterized in that the inside dimensions of the clamping groove (301) are matched with the outside dimensions of the clamping block (302), and the clamping block (302) is slidably connected with the impeller (1) through the clamping groove (301).
3. The rotor blade according to claim 1, wherein the clamping block (302) is connected with the impeller (1) in an embedded manner, and the clamping block (302) is connected with the impeller (1) in a threaded manner through a fastening bolt (305).
4. A rotor blade according to claim 1, characterized in that the clamping block (302) is connected with the impeller (1) in an embedded manner, and the blade body (2) is connected with the impeller (1) in a sliding manner through the clamping block (302).
5. The rotor blade according to claim 1, characterized in that the protective component (4) comprises a wear-resistant layer (401), an oxidation-resistant layer (402), an anti-corrosion layer (403) and a heat-resistant layer (404), wherein the oxidation-resistant layer (402) is connected to the lower end of the wear-resistant layer (401), the anti-corrosion layer (403) is arranged at the lower end of the oxidation-resistant layer (402), and the heat-resistant layer (404) is arranged at the lower end of the anti-corrosion layer (403).
6. The rotor blade according to claim 5, wherein the anti-oxidation layer (402) is provided with a wear-resistant layer (401) and an anti-corrosion layer (403) on the upper and lower sides, respectively, and the anti-oxidation layer (402) is disposed and limited between the wear-resistant layer (401) and the anti-corrosion layer (403).
7. The rotor blade according to claim 1, wherein the limiting assembly (5) comprises a mounting frame (501), a spring pull rod (502) and a clamping block (503), the spring pull rod (502) is connected to the mounting frame (501), and the clamping block (503) is fixed to the front end of the spring pull rod (502).
8. The rotor blade according to claim 7, wherein the mounting frame (501) is fixedly mounted on the outer side of the impeller (1) by screws, and the bottom of the mounting frame (501) is tightly attached to the outer side of the impeller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267139.3U CN219691598U (en) | 2023-05-24 | 2023-05-24 | Moving blade convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267139.3U CN219691598U (en) | 2023-05-24 | 2023-05-24 | Moving blade convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691598U true CN219691598U (en) | 2023-09-15 |
Family
ID=87943412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321267139.3U Active CN219691598U (en) | 2023-05-24 | 2023-05-24 | Moving blade convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691598U (en) |
-
2023
- 2023-05-24 CN CN202321267139.3U patent/CN219691598U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219691598U (en) | Moving blade convenient to replace | |
| CN105386943A (en) | Wind driven generator blade point lightning protection device | |
| CN112901278B (en) | Turbine blade adopting buckle fixed ceramic armor | |
| CN110855121A (en) | Faraday type magnetohydrodynamic electricity generation channel device based on heat sink type | |
| CN102996187A (en) | Combustion engine turbine first-level guide blade lower end wall cooling system | |
| CN114753894B (en) | Ceramic matrix composite runner structure | |
| CN116412172A (en) | Combined injection part | |
| CN218001470U (en) | Detachable multilayer boiler backplate | |
| CN212694980U (en) | Wear-resistant and corrosion-resistant conducting rod | |
| CN216009009U (en) | Novel turbine | |
| CN220101604U (en) | Detachable vane type slurry pump ceramic auxiliary impeller | |
| CN211239659U (en) | Faraday type magnetohydrodynamic electricity generation channel device based on heat sink type | |
| CN220379817U (en) | Assembled card formula stove deep bead | |
| CN221197440U (en) | Wear-resistant tile that resistant uses | |
| CN218467683U (en) | Oil cooler cover assembly | |
| CN211874605U (en) | Heat-resistant current collector | |
| CN219778629U (en) | Flange plate | |
| CN219267827U (en) | Battery pack and flip type protective cover with maintenance function | |
| CN210637116U (en) | High-efficient rotary drum level moving blade of industrial steam turbine | |
| CN215167283U (en) | Roof hood convenient to dismouting | |
| CN216142929U (en) | Anticorrosive wear-resisting axial fan for building materials trade | |
| CN219299727U (en) | Flexible connection high-temperature-resistant bolt of engine exhaust manifold | |
| CN217115768U (en) | Stable motor rotating shaft for air conditioner fan | |
| CN215240593U (en) | Quick dismounting device for overhauling steam turbine unit | |
| CN215071886U (en) | Vacuum gas quenching furnace motor mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |